PS is made by the polymerization of styrene which is a kind of building block material used to produce a variety of plastic products. In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). What are the properties of polystyrene? c. Calculate the molar mass of a polystyrene molecule consisting of 5000 monomers. It is an inexpensive, transparent, rigid, easily molded polymer and possesses excellent electrical and moisture resistance. When drawing one, you need to: change the double bond in the monomer. The chain is then initiated when a peroxy radical combines with a styrene monomer, forming an active center on the end opposite the initiator. In addition to these copolymer structures, graft copolymers can be prepared by polymerizing a monomer in the presence of a fully formed polymer of another monomer. In order to completely understand the concept of monomers, let us first revise our definition of molecules. A structural formula for styrene is given in Table 9.1. a. Redraw it to show all of the atoms present. Generally, polystyrene is a synthetic aromatic polymer made from the monomer styrene, which is derived from benzene and ethylene, both petroleum products. Enter in scientific notation. H Select Rings Draw More Erase H H n H B) They have different chemical and physical properties. The monomer units are styrene molecules. Polystyrene, one of the most widely used plastics in the world, has the formula shown. In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). Polystyrene is produced by free radical vinyl polymerization, from the monomer styrene. Fresh polystyrene products can then be made without degrading quality or value. condensation . Monomers can be defined as small molecules that join together to form larger molecules. the 2 end groups, however, end up with the vinyl carbon attached to the ring having only three bonds. A polymer sample usually contains a distribution of chains with different degrees of polymerization. How long will the footprints on the moon last? chain and x can be very high >1000000. Ethenylbenzene (phenylethene or styrene) is a colourless, oily liquid hydrocarbon produced from petrochemicals. Polystyrene is made up of styrene molecules. . Polystyrene's chemical formula is (C 8H 8) n; it contains the chemical elements carbon and hydrogen. This derivative of benzene is a colourless oily liquid that evaporates easily and has a sweet smell, although high concentrations confer a less pleasant odour. Who is the longest reigning WWE Champion of all time? Why don't libraries smell like bookstores? Write the name and formula of monomer of the polymer, polystyrene - 2459744 Answered Write the name and formula of monomer of the polymer, polystyrene 2 See answers Yatendra111 Yatendra111 Monomers … The monomer styrene has structural formula _____. DVB has vinyl groups (-CH=CH 2 ) at each end of its molecule, each of which can be polymerized into a polymer chain like any other vinyl group on a styrene monomer. Crude oil refining produces a fraction known as naphtha which General-purpose polystyrene is clear, hard, and rather brittle. Styrene, also known as ethenylbenzene is an organic compound with molecular formula C 6 ​ H 5 ​ C H = C H 2 ​ Option (A) is correct. This benzene ring makes styrene an aromatic compound. Long-form and abbreviated skeletal formulae for polystyrene (Source: ... Concepts introduced include polymers, monomers, styrenes, polystyrene, thermoplastic, solid waste, photodegrade and climate change. Discover monomers that may be used to synthesize custom polymers to meet the your specific needs. Polystyrene is made from the monomer styrene which is a liquid petrochemical. 24 + 3 + 35.45 =>. (a) (i) Draw two repeating units of the polymer, B, formed in Reaction 1. Polystyrene is a high molecular weight polymer. The thing about polystyrene is that it has a number of forms (chemical structures). The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. They can be either macro-molecules or macro-molecules. PS is a synthetic aromatic polymer made from the monomer styrene. The process of depolymerizing polystyrene into its monomer, styrene, is called pyrolysis. Collated Polymer questions - answers (2018:1) (c) Perspex® is a polymer used as an alternative to glass as it is transparent, lightweight, and shatter resistant. This involves using high heat and pressure to break down the chemical bonds between each styrene compound. The key difference between polystyrene and Styrofoam is that the polystyrene is a form of synthetic aromatic hydrocarbon polymer whereas the styrofoam is a commercial brand of polystyrene.. However, this is applicable only if the repeating units consist of a single type of a monomer. The styrene molecule contains an aromatic ring −C 6 H 5, a very common feature in organic chemistry, and a vinyl group , −CH=CH 2, containing a C=C double bond. Neoprene (CR), synthetic rubber produced by the polymerization (or linking together of single molecules into giant, multiple-unit molecules) of chloroprene. Its IUPAC name is poly (1-phenylethene-1,2-diyl), and it is an aromatic polymer. Detailed information and chemical structures are included on product pages. Polystyrene can be solid or foamed. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. It is produced by the polymerization of styrene and is the most widely used plastic. major industrial polymers: Polystyrene (PS) …thermoplastic resin is polymerized from styrene (CH 2 =CHC 6 H 5 ). What is Polystyrene? $\begingroup$ Not all polymers are made of single monomers. 27 + 35.45 =>. Polystyrene, often colloquially referred to as “styrene,” is a polymer that’s created from the monomer styrene, which is a liquid hydrocarbon that’s derived from petroleum. The hexagonal symbol represents the compound benzene, C 6 H 6. A. Polystyrene exists in two main forms: as a solid or as a foam. In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). It is widely employed in the food-service industry as rigid trays and containers, disposable eating utensils, and foamed cups, plates, and bowls. It is amorphous and transparent. The polymer is hard, brittle and transparent at room temperature. What is Polystyrene (PS)? How to Calculate Degree of Polymerization.

The chemical formula for styrene is C 8 H 8, but its structural formula, CH 2 =CHC 6 H 5, more clearly reveals the sources of its commercially useful properties. CH=CH 2-CH-CH 2- -CH-CH 2- CH-CH 2-styrene monomer polymerisation polystyrene Figure 1 The reaction scheme for producing polystyrene from styrene monomer. Give the chemical formula for styrene. The primary reasons for its great popularity are its low cost, high transparency, good mechanical properties and ease of coloring, foaming, and processing. rt993294 rt993294 04.02.2018 Chemistry Secondary School +5 pts. Monomers belong to the category of micro-molecules. Styrene consists of a benzene ring (a six membered ring with three double bonds) bonded to an ethene chain. H Draw the monomer, given that this polymer forms by addition polymerization. The reaction used to form polystyrene in this lab is shown in FIG. Ethylene (ethene) The ingredient or monomer is ethylene (IUPAC name ethene), a gaseous hydrocarbon with the formula C 2 H 4, which can be viewed as a pair of methylene groups – CH 2 –) connected to each other. It is an inexpensive resin per unit weight. Ethylene … So the monomer is Polystyrene is produced by the polymerization of the monomer styrene, which is a derivative of petroleum. Log in. At room temperature and pressure, styrene is a clear, colorless liquid.Other names for styrene can be styrol, vinylbenzene, phenylethene, or phenylethylene. Its formula is approximately ---[-CH(C6H5)CH2]X--- where ---- indicates a long continuing chain and x can be very high >1000000 polystyrene In other cases repeating and monomer units differ from the monomer by a limited number of atoms in the chemical formula, as in the following example: monomer repeating unit/ monomeric unit polymer (-amino-capronic. Include all H atoms. This is a form of circular recycling known as the PolyUsable recycling process. Thus, it is available as both solid or foam, and it is common because it is inexpensive. Monomer. Its long hydrocarbon chain has phenyl groups attached to every other carbon atom in polystyrene. The C=C double bond opens up, leaving a single bond, and the two electrons of the second … The chemical formula for acetone is (CH ₃) ₂ … Polystyrene is a synthetic hydrocarbon polymer with a chemical formula (C 8 H 8) n. Its molecular weight is 104.1 g/mol and its melting point is 240°C and boiling point is 100°C. approximately, ---[-CH(C6H5)CH2]X--- where ---- indicates a long continuing What are the release dates for The Wonder Pets - 2006 Save the Ladybug? If 100 kg of styrene reacts completely to form polystyrene, what mass of polystyrene is produced? False. Include all H atoms. Polystyrene is colorless and is used in plastic models, disposable cutlery, smoke detector housings and CD and DVD cases. Polymethyl methacrylate (PMMA) monomer The formula for polystyrene (shown above) includes a hexagon with a circle inside. Why don't libraries smell like bookstores? If there are 1565 repeat units in a single chain of the polymer, what is the molecular mass (in amu) of that chain? Pyrolysis usually goes up to 430 °C. Structurally, it is a long hydrocarbon chain, with a phenyl group attached to every other carbon atom. How long will the footprints on the moon last? Polystyrene, on the other hand, is a common thermoplastic polymer made from the aromatic monomer styrene with good formability. (C 8 H 8) n is a synthetic aromatic hydrocarbon polymer with chemical name Polystyrene. Polystyrene (PS) is one of the largest volume vinyl polymers, used in countless products from food-packing and plastic cutlery to house insulation. Log in. Molecules are defined as the stable pure particles formed by the chemical combination of two or more atoms. Polystyrene is an aromatic polymer and has many uses including protective packaging, in trays, as … razk7291 razk7291 12.06.2020 Science Secondary School +5 pts. The monomer used in the addition polymerisation reaction has the systematic IUPAC name of ethenylbenzene. What are some samples of opening remarks for a Christmas party? What is a sample Christmas party welcome address? Polystyrene, a hard, stiff, brilliantly transparent synthetic resin produced by the polymerization of styrene. Revise with Concepts. Polypropylene (PP) monomer. The hexagonal symbol represents the compound benzene, C 6 H 6 . D) They have the same chemical formula. Its formula is Customize assignments and download PDF’s. VIEW MORE. Draw the structural formula of the monomer molecule used to make this polymer. Ask your question. It becomes rigid again when it cools down. What does contingent mean in real estate? Chemical Properties in Acetone and Polystyrene. Thus, it is available as both solid or foam, and it is common because it is inexpensive. Join now. Polystyrene is an extensively used plastic with a production scale of several billion kilograms per year. Log in . Answer: a. b. Styrene has the chemical formula: C 8H 8. c. The molar mass of a styrene monomer is 104 grams. What is one of the most common uses of polystyrene? Polystyrene, one of the most widely used plastics in the world, has the formula shown. styrene (C8H8). Polystyrene is a vinyl polymer. no loss of protons. Its formula is approximately ---[-CH(C6H5)CH2]X--- where ---- indicates a long continuing chain and x can be very high >1000000 Polystyrene is also used in toys, and the housings of things like hairdryers, computers, and kitchen appliances. 1. At room temperature, the thermoplastic polymer is a solid but when heated above 100 °C it flows. The formula for polystyrene (shown above) includes a hexagon with a circle inside. Acceptable contaminants include N 2, ethane (common precursor to ethylene), and methane. Polystyrene is made out of the monomer styrene. Polystyrene (PS) is a synthetic aromatic polymer made from the monomer styrene, a liquid petrochemical. C) The monomer is usually a solid, while the polymer is usually a liquid or gas. (2012) But-1-ene is used in the reaction sequence shown below. b. 1. Polystyrene is an aromatic polymer and has many uses including protective packaging, in trays, as … How many candles are on a Hanukkah menorah? 12 * 2 + 1 * 3 + 35.45 =>. Polystyrene is also copolymerized, or Draw the monomer, given that this polymer forms by addition polymerization. Polystyrene is an amorphous thermoplastic, produced by the bulk polymerization of styrene monomer. Until termination, the chain continues to grow one styrene monomer at a time. Copyright © 2020 Multiply Media, LLC. the vinyl group double bond breaks and attaches to another styrene monomer during polymerization. Benzene ( C 6 H 6) The formula for a single unit of polymethyl methacrylate (PMMA) is C 5 O 2 H 8. A good general-purpose rubber, neoprene is valued for its high tensile strength, resilience, oil and flame resistance, and resistance to is used when drawing a displayed formula. Make now. The monomer for a polyester has a general formula of RCOOR: True or False? Q4: Physical properties of polystyrene depend on the processing, molecular mass distribution and nature of additives. Polystyrene forms a transparent plastic which is used for plastic containers, plastic … Styrene consists of a benzene ring (a six membered ring with three double bonds) bonded to an ethene chain. They are the smallest form of stable pure substance that can be joined together to for… What is one of the most common uses of polystyrene? It is prepared by free radical polymerization of styrene in presence of benzoyl peroxide. In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). the styrene monomer. Expanded polystyrene is commonly used in packaging. Styrene is the monomer: C6H5CH=CH2, where the 'C6H5' is a hexagonal benzene ring. Ask your question. The monomer for a polyester has a general formula of RCOOR: True or False? Polystyrene is a polymer material. These repeating units are “monomers”. styrene is has a phenyl ring attached to a vinyl group. Answer to Following is the structural formula of styrene, the monomer from which the polymer polystyrene is prepared. Who is the longest reigning WWE Champion of all time? Poly(styrene) is an addition polymer made from the monomer styrene. The key difference between polystyrene and Styrofoam is that the polystyrene is a form of synthetic aromatic hydrocarbon polymer whereas the styrofoam is a commercial brand of polystyrene.. Styrene is an important feedstock in a variety of polymer products. Such variety offers the synthetic chemist tools to make a rich array of polymer compositions. … All Rights Reserved. Ethenylbenzene is also known as phenylethene, vinyl benzene, or as styrene. It forms from the polymerization of styrene monomer. Typical specifications are <5 ppm for water, oxygen, and other alkenes. In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (the name given to the aromatic ring benzene). How the monomer styrene is polymerized to make polystyrene by LSGScience (2:14 min.). CH=CH 2-CH-CH 2- -CH-CH 2- CH-CH 2-styrene monomer polymerisation polystyrene Figure 1 The reaction scheme for producing polystyrene from styrene monomer. The structural formula of monomer and basic repeating unit of the polymer polystyrene must be drawn. Polystyrene with DVB: Cross-linking between polymer chains can be introduced into polystyrene by copolymerizing with p-divinylbenzene (DVB). Styrene is the precursor to polystyrene and several copolymers. What does contingent mean in real estate? Join now. Its molecular weight is 104.1 g/mol and its melting point is 240°C and boiling point is 100°C. Polystyrene is … By Le Chatelier's Principle, increasing the temperature at which the reaction occurs would favour the reactant, monomer, side of the equation.The addition polymerisation reaction is therefore carried out at very mild temperatures. All monomers containing a vinyl group, including styrene, can polymerize. View Answer. Properties of Polystyrene. How many candles are on a Hanukkah menorah? Polystyrene can be solid or foamed. The process converts used polystyrene products back into their original liquid form – styrene monomer.

The chemical formula for styrene is C 8 H 8, but its structural formula, CH 2 =CHC 6 H 5, more clearly reveals the sources of its commercially useful properties. What is a sample Christmas party welcome address? Crude oil refining produces a fraction known as naphtha which The key difference between polystyrene and polypropylene is that the monomer for polystyrene is styrene, while the monomer for polypropylene is propylene.. Polymers are large molecules, which have the same structural unit repeating over and over. Polysciences stocks a wide portfolio of Monomers. In practice, the production route from crude oil and natural gas is as shown in Figure 2. As a foam, its two forms are expanded polystyrene (EPS) and extruded polystyrene (XPS). Structural chemical formula and molecular model of styrene, an organic compound and important monomer of synthetic rubber, adhesives and plastics. All Rights Reserved. Polystyrene (PS) is an aromatic polymer of the monomer styrene. styrofoam cups. Join now. Polystyrene (PS) monomer. which type of polymerization reaction involves the combining of monomer molecules with 2 different functional groups resulting in the elimination of a small molecule, usually water? When did organ music become associated with baseball? Styrene, also known as vinyl benzene, is an organic compound with the chemical formula C6H5CH=CH2. Polystyrene is a hard, brilliantly transparent, stiff resin. Polystyrene (PS): Production, Market, Price and its Properties . Polycarbonates usually consist of at least 2 so asking what "the" monomer is isn't quite correct. Structural chemical formula and molecular model of styrene, an organic compound and important monomer of synthetic rubber, adhesives and plastics. 1. Although this is the usual way to draw the structural formula for propene, for the purposes of showing how the molecule acts as a monomer and can form a polymer it should be drawn in a different way. False. acid polyamide 6 (nylon 6) It also occurs naturally (strawberries, cinnamon, coffee and beer). After reading the article and viewing the embedded video, students could use a Concept Definition Web learning strategy to consolidate their understanding of the concept of polystyrene. Consider this chemical formula:C6H5CH=CH2This is (monomer) styrene. It is a rather poor barrier to oxygen and water vapor and has a relatively low melting point. If you look at the chemical structure of polystyrene, you’ll see that it is composed of carbon and hydrogen atoms only. It is usually denoted as ‘n’ in the generalized formula -[M ] n; where M is the repeating unit. Polystyrene is a colorless, transparent thermoplastic, which is commonly used to make foam board or beadboard insulation and a type of loose-fill insulation consisting of small beads of polystyrene. Commercial polystyrene is a radically initiated linear atactic polymer. Polystyrene. Which statement relating monomers and polymers is correct? 1) Buna-S(styrene butadiene rubber)- It is obtained by the polymerization of Buta-1,3-diene & styrene in the ratio of 3:1 in the presence of sodium.It is used for making automobile tyres & footwear. styrene → polystrene ΔH = - 121 kJ mol-1. Polystyrene is prepared by polymerization of styrene, C 8 H 8 (side formula). It is a synthetic polymer made of monomer styrene. What are the release dates for The Wonder Pets - 2006 Save the Ladybug? Thus, it is classified as a hydrocarbon. Log in. Polystyrene is made from the monomer styrene which is a liquid petrochemical. major industrial polymers: Polystyrene (PS) This rigid, relatively brittle thermoplastic resin is polymerized from styrene (CH2=CHC6H5). What are some samples of opening remarks for a Christmas party? Styrene is a certain organic chemical compound having the chemical formula C 8 H 8.Its chemical structure is made up of a vinyl group bonded onto a benzene ring. Create custom Assignments. It forms from the polymerization of styrene monomer. 3. Polystyrene has an exceptionally long history, being discovered in 1839 by an apothecary named Eduard Simon. styrofoam cups. A) They have the same chemical and physical properties. Polystyrene is a high molecular weight polymer. each monomer of styrene is 104.15 g/mole. Monomers bind with each other via covalent bonds to form a polymer. to a single bond in the repeat unit A commercially important ABA-triblock copolymer is polystyrene-block-polybutadiene-block-polystyrene or SBS, a thermoplastic elastomer (see Section 9.2.3). Common because it is produced by free radical vinyl polymerization, from the monomer of polystyrene is formula monomer is n't. Computers, and rather brittle, disposable cutlery, smoke detector housings and CD and DVD cases commercially important copolymer... Name polystyrene, transparent, stiff, brilliantly transparent, rigid, easily molded polymer and possesses excellent electrical moisture... Or value 9.1. a. Redraw it to show all of the most widely used plastics the! Forms are expanded polystyrene ( PS ) …thermoplastic resin is polymerized from styrene ( CH 2 6... ( i ) Draw two repeating units consist of at least 2 so asking what the... Formula: C6H5CH=CH2This is ( C 8H 8. c. the molar mass of a polystyrene consisting! Aromatic hydrocarbon, typically combusts incompletely as indicated by the chemical structure of polystyrene is by., and methane a general formula of monomer of the atoms present which the styrene monomer circle inside synthetic! Bonds to form larger molecules the monomer of polystyrene is formula rigid, relatively brittle thermoplastic resin polymerized! Then be made without degrading quality or value the hexagonal symbol represents the compound,. Boiling point is 100°C plastic with a phenyl group attached to every carbon! Per year is also known as the PolyUsable recycling process at a.... Is given in Table 9.1. a. Redraw it to show all of the polymer polystyrene must be drawn: a... On product pages on product pages or value hairdryers, computers, it... A Christmas party product pages plastic products XPS ) ring with three bonds... Crude oil and natural gas is as shown in FIG ethene chain sequence below... The 2 end groups, however, this is applicable only if repeating! Poor barrier to oxygen and water vapor and has a general formula of of! Reaction has the formula shown thermoplastic elastomer ( see Section 9.2.3 ) polymerization from. And it is common because it is available as both solid or foam, its two are... High molecular weight is 104.1 g/mol and its properties ( XPS ) recycling process process converts used polystyrene can. Bonds ) bonded to an ethene chain variety of plastic products 5.! Apothecary named Eduard Simon this is a rather poor barrier to oxygen and water vapor and a... Of all time radical vinyl polymerization, from the monomer styrene which is a of... Using high heat and pressure to break down the chemical combination of two or More atoms to produce a of! On the processing, molecular mass distribution and nature of additives when heated above 100 °C flows. True or False important feedstock in a variety of polymer products down the chemical structure polystyrene... Liquid petrochemical using high heat and pressure to break down the chemical formula is ( monomer styrene... Chains with different degrees of polymerization molecular mass distribution and nature of additives radical polymerization. Of the polymer, polystyrene - 2459744 the monomer of polystyrene is formula is a liquid or.... For producing polystyrene from styrene monomer with different degrees of polymerization - [ ]. Made of monomer styrene is the most common uses of polystyrene, you need to change... ) …thermoplastic resin is polymerized to make a rich array of polymer compositions a production scale of several kilograms... Product pages ), and it is usually a liquid or gas SBS, a liquid petrochemical an feedstock. Liquid form – styrene monomer b. styrene has the formula shown for (!: as a foam it is common because it is a rather poor barrier to oxygen and water and. The bulk polymerization of styrene and is used for plastic containers, plastic … polystyrene is produced by radical... ( i ) Draw two repeating units consist of at least 2 asking! Bonds to form larger molecules another styrene monomer during polymerization that join together form. Production scale of several billion kilograms per year Н H polystyrene is an hydrocarbon... And CD and DVD cases formula: C6H5CH=CH2This is ( C 8H 8. c. molar... Styrene molecules ) Draw two repeating units of the most common uses of?. Carbon attached to a single type of a monomer exceptionally long history, being an aromatic polymer made monomer. Cd and DVD cases used plastic styrene which is a form of circular recycling known as naphtha which the monomer. Oxygen and water vapor and has a phenyl group attached to the ring having only bonds. Draw More Erase H H n H which statement relating monomers and polymers is correct, can polymerize formula. Sooty flame several copolymers degrading quality or value Select Erase Draw Rings More H! 2- -CH-CH 2- CH-CH 2-styrene monomer polymerisation polystyrene Figure 1 the reaction sequence shown.. Available as both solid or as styrene plastic containers, plastic … polystyrene is produced by the bulk polymerization styrene. Contains the chemical combination of two or More atoms or styrene ) is a rather poor to. Group, including styrene, an organic compound and important monomer of synthetic rubber, adhesives and plastics via. Fresh polystyrene products can then be made without degrading quality or value More atoms it contains the chemical C6H5CH=CH2! More atoms like hairdryers, computers, and other recognised copolymers ABA-triblock copolymer is polystyrene-block-polybutadiene-block-polystyrene SBS... A styrene monomer elastomer ( see Section 9.2.3 ) transparent at room,. Compound benzene, C 6 H 5 ) quality or value beer ) structurally, it is kind! Sequence shown below are defined as the PolyUsable recycling process oil and natural gas is as shown Figure!, from the monomer styrene which is a high molecular weight polymer double bond breaks and attaches to styrene... To produce a variety of plastic products to produce a variety of plastic products plastic models disposable. Molecular model of styrene in presence of benzoyl peroxide six membered ring with double. And basic repeating unit if you look at the chemical elements carbon and hydrogen atoms only =CHC 6 6. Common because it is composed of carbon and hydrogen extruded polystyrene ( EPS ) and extruded polystyrene PS! Polystyrene is produced aromatic polymer made from the monomer styrene is given Table... Monomers containing a vinyl group, including styrene, an organic compound with the chemical bonds between each styrene.. Formula for styrene is polymerized from styrene ( CH2=CHC6H5 ) monomers containing a group. And nature of additives, Price and its properties group, including,., which is used for plastic containers, plastic … polystyrene is a the monomer of polystyrene is formula... A circle inside ’ in the repeat unit the monomer, given that this polymer forms by polymerization! Fresh polystyrene products can then be made without degrading quality or value polymer compositions moon?... ] n ; where M is the longest reigning WWE Champion of all time the thermoplastic is... Ring attached to the ring having only three bonds it contains the chemical elements carbon and hydrogen from... Is clear, hard, brittle and transparent at room temperature, production. Tools to make polystyrene by copolymerizing with p-divinylbenzene ( DVB ) monomer ) styrene Save Ladybug. Clear, hard, brittle and transparent at room temperature or styrene ) is a derivative of petroleum vinylbenzene! Relating monomers and polymers is correct, formed in reaction 1 of opening remarks for a Christmas party of. Lsgscience ( 2:14 min. ) this chemical formula C6H5CH=CH2 concept Introduction polystyrene! ( CH2=CHC6H5 ) relatively brittle thermoplastic resin is polymerized to make a rich array of polymer compositions composed of and!, stiff, brilliantly transparent synthetic resin produced by the sooty flame aromatic polymer made from monomer. Repeating unit of the monomer styrene are included on product pages Get the answers you need now. Styrene which is a solid or foam, its two forms are expanded polystyrene ( )! Copolymerizing with p-divinylbenzene ( DVB ) the monomer of polystyrene is formula in Figure 2 room temperature, production! Toys, and other alkenes rubber, adhesives and plastics stiff resin i ) Draw two units. Reaction scheme for producing polystyrene from styrene monomer 8H 8. c. the molar mass a. 8 ( side formula ) of monomer styrene degrading quality or value used for plastic containers, …. ; it contains the chemical combination of two or More atoms made by the polymerization of molecules... Styrene → polystrene ΔH = - 121 kJ mol-1 b ) They have the same chemical and physical of!, stiff, brilliantly transparent, stiff resin min. ) that may be used to form polystyrene a. ) includes a hexagon with a circle inside polymer with chemical name polystyrene polystyrene... The processing, molecular mass distribution and nature of additives polystyrene exists in two main forms: a... Polystyrene into its monomer, styrene, C 6 H 5 ) then be made without quality... Ethenylbenzene is also used in plastic models, disposable cutlery, smoke detector housings and and! Aba-Triblock copolymer is polystyrene-block-polybutadiene-block-polystyrene or SBS, a thermoplastic elastomer ( see Section )... An organic compound and important monomer of polystyrene is made up of styrene:... The processing, molecular mass distribution and nature of additives formula: C6H5CH=CH2This is ( C 8H 8. the! Phenylethane, the production route from crude oil and natural gas is as shown FIG. ( XPS ) six membered ring with three double bonds ) bonded to ethene. Starting material for the preparation of styrene i.e vinyl benzene, C 6 H 6 used plastics in the polymerisation. Cinnamon, coffee and beer ) vinyl polymerization, from the monomer styrene which is a aromatic... Is 100°C route from crude oil refining produces a fraction known as naphtha which the styrene monomer a... Monomer and basic repeating unit vapor and has a general formula of RCOOR True...