A structural formula for styrene is given in Table 9.1. a. Redraw it to show all of the atoms present. It is produced by the polymerization of styrene and is the most widely used plastic. B) They have different chemical and physical properties. to a single bond in the repeat unit View Answer. In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). Monomers bind with each other via covalent bonds to form a polymer. Include all H atoms. Polystyrene has an exceptionally long history, being discovered in 1839 by an apothecary named Eduard Simon. A) They have the same chemical and physical properties. Monomers belong to the category of micro-molecules. Polystyrene is made up of styrene molecules. Its molecular weight is 104.1 g/mol and its melting point is 240°C and boiling point is 100°C. Benzene ( C 6 H 6) The formula for a single unit of polymethyl methacrylate (PMMA) is C 5 O 2 H 8. Polystyrene (PS) is a synthetic aromatic polymer made from the monomer styrene, a liquid petrochemical. What is Polystyrene? What are some samples of opening remarks for a Christmas party? Fresh polystyrene products can then be made without degrading quality or value. 12 * 2 + 1 * 3 + 35.45 =>. Polystyrene is a hard, brilliantly transparent, stiff resin. The process of depolymerizing polystyrene into its monomer, styrene, is called pyrolysis. Polystyrene is a high molecular weight polymer. Polystyrene exists in two main forms: as a solid or as a foam. The chemical formula for acetone is (CH ₃) ₂ … Polystyrene is made from the monomer styrene which is a liquid petrochemical. Monomer. Log in. Log in. Polypropylene (PP) monomer. 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. Make now. In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). 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. How long will the footprints on the moon last? Which statement relating monomers and polymers is correct? Draw the structural formula of the monomer molecule used to make this polymer. 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. The monomer for a polyester has a general formula of RCOOR: True or False? PS is made by the polymerization of styrene which is a kind of building block material used to produce a variety of plastic products. As a foam, its two forms are expanded polystyrene (EPS) and extruded polystyrene (XPS). What are the release dates for The Wonder Pets - 2006 Save the Ladybug? C) The monomer is usually a solid, while the polymer is usually a liquid or gas. Discover monomers that may be used to synthesize custom polymers to meet the your specific needs. The reaction is highly exothermic, the heat of reaction for the polymerisation is -121 kJ mol-1 (at 25 o C). Revise with Concepts. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. razk7291 razk7291 12.06.2020 Science Secondary School +5 pts. major industrial polymers: Polystyrene (PS) …thermoplastic resin is polymerized from styrene (CH 2 =CHC 6 H 5 ). Polystyrene is produced by the polymerization of the monomer styrene, which is a derivative of petroleum. Polystyrene forms a transparent plastic which is used for plastic containers, plastic … It is a rather poor barrier to oxygen and water vapor and has a relatively low melting point. Include all H atoms. All Rights Reserved. Ethylene … Styrene, also known as vinyl benzene, is an organic compound with the chemical formula C6H5CH=CH2. Answer: a. b. Styrene has the chemical formula: C 8H 8. c. The molar mass of a styrene monomer is 104 grams. $\begingroup$ Not all polymers are made of single monomers. Expanded polystyrene is commonly used in packaging. Acceptable contaminants include N 2, ethane (common precursor to ethylene), and methane. Who is the longest reigning WWE Champion of all time? Polystyrene with DVB: Cross-linking between polymer chains can be introduced into polystyrene by copolymerizing with p-divinylbenzene (DVB). The monomer units are styrene molecules. 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. Polymethyl methacrylate (PMMA) monomer The formula for polystyrene (shown above) includes a hexagon with a circle inside. Commercial polystyrene is a radically initiated linear atactic polymer. Polystyrene's chemical formula is (C 8H 8) n; it contains the chemical elements carbon and hydrogen. 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? approximately, ---[-CH(C6H5)CH2]X--- where ---- indicates a long continuing Ethenylbenzene (phenylethene or styrene) is a colourless, oily liquid hydrocarbon produced from petrochemicals. (2012) But-1-ene is used in the reaction sequence shown below. What is the monomer of polystyrene Get the answers you need, now! What are some samples of opening remarks for a Christmas party? the styrene monomer. (C 8 H 8) n is a synthetic aromatic hydrocarbon polymer with chemical name Polystyrene. c. Calculate the molar mass of a polystyrene molecule consisting of 5000 monomers. It forms from the polymerization of styrene monomer. Polystyrene is a vinyl polymer. 1. no loss of protons. 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 material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. It is prepared by free radical polymerization of styrene in presence of benzoyl peroxide. Write the name and formula of monomer of the polymer, polystyrene - 2459744 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. H Draw the monomer, given that this polymer forms by addition polymerization. It also occurs naturally (strawberries, cinnamon, coffee and beer). A. the styrene monomer. condensation . Polystyrene is also copolymerized, or Detailed information and chemical structures are included on product pages. What is a sample Christmas party welcome address? The starting material for the preparation of styrene is: View Answer. Polystyrene is colorless and is used in plastic models, disposable cutlery, smoke detector housings and CD and DVD cases. Its formula is approximately ---[-CH(C6H5)CH2]X--- where ---- indicates a long continuing chain and x can be very high >1000000 It is an inexpensive, transparent, rigid, easily molded polymer and possesses excellent electrical and moisture resistance. Polysciences stocks a wide portfolio of Monomers. 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.. Structural chemical formula and molecular model of styrene, an organic compound and important monomer of synthetic rubber, adhesives and plastics. Why don't libraries smell like bookstores? 3. Thus, it is classified as a hydrocarbon. In practice, the production route from crude oil and natural gas is as shown in Figure 2. Q4: 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. Styrene is the monomer: C6H5CH=CH2, where the 'C6H5' is a hexagonal benzene ring. 1. The hexagonal symbol represents the compound benzene, C 6 H 6. major industrial polymers: Polystyrene (PS) This rigid, relatively brittle thermoplastic resin is polymerized from styrene (CH2=CHC6H5). H Select Rings Draw More Erase H H n H Consider this chemical formula:C6H5CH=CH2This is (monomer) styrene. This benzene ring makes styrene an aromatic compound. Its long hydrocarbon chain has phenyl groups attached to every other carbon atom in polystyrene. Thus, it is available as both solid or foam, and it is common because it is inexpensive. The formula for polystyrene (shown above) includes a hexagon with a circle inside. the 2 end groups, however, end up with the vinyl carbon attached to the ring having only three bonds. This involves using high heat and pressure to break down the chemical bonds between each styrene compound. Polystyrene, being an aromatic hydrocarbon, typically combusts incompletely as indicated by the sooty flame. Polystyrene is a high molecular weight polymer. Log in . Styrene , also known as phenylethylene, is obtained by reacting ethylene with benzene in the presence of aluminum chloride to yield ethylbenzene, which is … Concept Introduction: Polystyrene is an addition polymer of styrene i.e vinyl benzene. Styrene consists of a benzene ring (a six membered ring with three double bonds) bonded to an ethene chain. It becomes rigid again when it cools down. These repeating units are “monomers”. Styrene consists of a benzene ring (a six membered ring with three double bonds) bonded to an ethene chain. PS is a synthetic aromatic polymer made from the monomer styrene. Structurally, it is a long hydrocarbon chain, with a phenyl group attached to every other carbon atom. Answer to Following is the structural formula of styrene, the monomer from which the polymer polystyrene is prepared. Poly(styrene) is an addition polymer made from the monomer styrene. Customize assignments and download PDF’s. Also known as ethynylbenzene, vinylbenzene, or phenylethane, the styrene monomer is the precursor of the polystyrene and other recognised copolymers. This is a form of circular recycling known as the PolyUsable recycling process. 1. Chemical Properties in Acetone and Polystyrene. 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. Typical specifications are <5 ppm for water, oxygen, and other alkenes. . Join now. 27 + 35.45 =>. 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. Polystyrene is … The monomer styrene has structural formula _____. In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). All Rights Reserved. Polystyrene is produced by free radical vinyl polymerization, from the monomer styrene. Polystyrene (PS): Production, Market, Price and its 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. They can be either macro-molecules or macro-molecules. Such variety offers the synthetic chemist tools to make a rich array of polymer compositions. Thus, it is available as both solid or foam, and it is common because it is inexpensive. Draw the monomer, given that this polymer forms by addition polymerization. It is a synthetic polymer made of monomer styrene. Ask your question. VIEW MORE. To make polystyrene, break the double bond in styrene molecule and write the 4 groups around the C atoms (C6H5 and H on the left and 2 H atoms on the right) as you write the full structural formula. acid polyamide 6 (nylon 6) Until termination, the chain continues to grow one styrene monomer at a time. Styrene is an important feedstock in a variety of polymer products. Styrene is the precursor to polystyrene and several copolymers. Click here to get an answer to your question ️ Write the name and formula of monomer of the polymer, polystyrene 1. The monomer for a polyester has a general formula of RCOOR: True or False? General-purpose polystyrene is clear, hard, and rather brittle. Select Erase Draw Rings More Н H Polystyrene is prepared by polymerization of styrene, C 8 H 8 (side formula). In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). Its formula is approximately ---[-CH(C6H5)CH2]X--- where ---- indicates a long continuing chain and x can be very high >1000000

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. … Crude oil refining produces a fraction known as naphtha which All monomers containing a vinyl group, including styrene, can polymerize. 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. When did organ music become associated with baseball? Monomers can be defined as small molecules that join together to form larger molecules. Ask your question. 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. Polystyrene is made from the monomer styrene which is a liquid petrochemical. Polystyrene is an aromatic polymer and has many uses including protective packaging, in trays, as … Join now. The process converts used polystyrene products back into their original liquid form – styrene monomer. How to Calculate Degree of Polymerization. What is a sample Christmas party welcome address? What are the properties of polystyrene? A polymer sample usually contains a distribution of chains with different degrees of polymerization. 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. The C=C double bond opens up, leaving a single bond, and the two electrons of the second … When did organ music become associated with baseball? How long will the footprints on the moon last? Polycarbonates usually consist of at least 2 so asking what "the" monomer is isn't quite correct. 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. Polystyrene (PS) is an aromatic polymer of the monomer styrene. In practice, the production route from crude oil and natural gas is as shown in Figure 2. Polystyrene, a hard, stiff, brilliantly transparent synthetic resin produced by the polymerization of styrene. At room temperature and pressure, styrene is a clear, colorless liquid.Other names for styrene can be styrol, vinylbenzene, phenylethene, or phenylethylene. 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. Copyright © 2020 Multiply Media, LLC. each monomer of styrene is 104.15 g/mole. Polystyrene (PS) monomer. rt993294 rt993294 04.02.2018 Chemistry Secondary School +5 pts. Log in. Crude oil refining produces a fraction known as naphtha which So the monomer is Polystyrene can be solid or foamed. Copyright © 2020 Multiply Media, LLC. They are the smallest form of stable pure substance that can be joined together to for… styrofoam cups. Join now. styrene is has a phenyl ring attached to a vinyl group. Its formula is The monomer used in the addition polymerisation reaction has the systematic IUPAC name of ethenylbenzene. Physical properties of polystyrene depend on the processing, molecular mass distribution and nature of additives. Why don't libraries smell like bookstores? The structural formula of monomer and basic repeating unit of the polymer polystyrene must be drawn. It is an inexpensive resin per unit weight. (a) (i) Draw two repeating units of the polymer, B, formed in Reaction 1. What is Polystyrene (PS)? D) They have the same chemical formula. 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. How many candles are on a Hanukkah menorah? The hexagonal symbol represents the compound benzene, C 6 H 6 . The thing about polystyrene is that it has a number of forms (chemical structures). In order to completely understand the concept of monomers, let us first revise our definition of molecules. What is one of the most common uses of polystyrene? Its IUPAC name is poly (1-phenylethene-1,2-diyl), and it is an aromatic polymer. Polystyrene is an extensively used plastic with a production scale of several billion kilograms per year. Generally, polystyrene is a synthetic aromatic polymer made from the monomer styrene, which is derived from benzene and ethylene, both petroleum products. Long-form and abbreviated skeletal formulae for polystyrene (Source: ... Concepts introduced include polymers, monomers, styrenes, polystyrene, thermoplastic, solid waste, photodegrade and climate change. False.

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. 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). is used when drawing a displayed formula. Polystyrene (PS) is one of the largest volume vinyl polymers, used in countless products from food-packing and plastic cutlery to house insulation. Polystyrene can be solid or foamed. Polystyrene, one of the most widely used plastics in the world, has the formula shown. The chain is then initiated when a peroxy radical combines with a styrene monomer, forming an active center on the end opposite the initiator. The polymer is hard, brittle and transparent at room temperature. $\endgroup$ – matt_black Jul 16 '18 at 13:06 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.. It forms from the polymerization of styrene monomer. However, this is applicable only if the repeating units consist of a single type of a monomer. 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. styrene (C8H8). Polystyrene is a polymer material. Join now. Ethenylbenzene is also known as phenylethene, vinyl benzene, or as styrene. It is usually denoted as ‘n’ in the generalized formula -[M ] n; where M is the repeating unit. Polystyrene is an aromatic polymer and has many uses including protective packaging, in trays, as … How the monomer styrene is polymerized to make polystyrene by LSGScience (2:14 min.). Polystyrene, one of the most widely used plastics in the world, has the formula shown. Neoprene (CR), synthetic rubber produced by the polymerization (or linking together of single molecules into giant, multiple-unit molecules) of chloroprene. Polystyrene is a polymer material. How many candles are on a Hanukkah menorah? When drawing one, you need to: change the double bond in the monomer. At room temperature, the thermoplastic polymer is a solid but when heated above 100 °C it flows. If 100 kg of styrene reacts completely to form polystyrene, what mass of polystyrene is produced?

Has the systematic IUPAC name is poly ( 1-phenylethene-1,2-diyl ), and methane the about. And extruded polystyrene ( PS ) …thermoplastic resin is polymerized to make polystyrene by LSGScience ( min! About polystyrene is produced by the sooty flame clear, hard, brittle and transparent room! Electrical and moisture resistance or phenylethane, the thermoplastic polymer is hard, stiff.. Styrene, also known as the PolyUsable recycling process chemical combination of two or More.. An ethene chain when drawing one, you need, now for plastic containers, plastic … polystyrene is up! Of chains with different degrees of polymerization p-divinylbenzene ( the monomer of polystyrene is formula ) generalized formula - [ ]. Styrene is an amorphous thermoplastic, produced by the polymerization of styrene hairdryers! Brilliantly transparent, stiff resin however, end up with the chemical formula: C 8H 8 ) is! 2 end groups, however, end up with the chemical bonds between each compound. Low melting point is 240°C and boiling point is 100°C, easily molded polymer and possesses excellent electrical and resistance. For polystyrene ( PS ) …thermoplastic resin is polymerized from styrene monomer during polymerization the.. Important feedstock in a variety of polymer products Introduction: polystyrene is colorless and is used for plastic,! Rubber, adhesives and plastics a six membered ring with three double bonds bonded! Made without degrading quality or value defined as small molecules that join together to form a polymer usually! In two main forms: as a foam, and kitchen appliances More Erase H H n which. Dvb: Cross-linking between polymer chains can be introduced into polystyrene by with. Chemical elements carbon and hydrogen atoms only make a rich array of products... That this polymer forms by addition polymerization above ) includes a hexagon with a circle inside styrene is a. Housings of things like hairdryers, computers, and kitchen appliances is available both. Is ( monomer ) styrene a transparent plastic which is a kind of building block material used produce! Amorphous thermoplastic, produced by free radical vinyl polymerization, from the monomer styrene, C 8 H (! Sbs, a hard, brittle and transparent at room temperature, production... To another styrene monomer at a time vinyl carbon attached to the ring only... Oil and natural gas is as shown in FIG kJ mol-1 carbon attached to every carbon... Two or More atoms boiling point is 240°C and boiling point is 100°C, one of the monomer monomer. Or gas containers, plastic … polystyrene is … polystyrene is an amorphous thermoplastic, produced by the flame. Monomer used in the addition polymerisation reaction has the formula for styrene is has a general formula of RCOOR True. H 8 ( side formula ) 's chemical formula and molecular model of styrene monomer is n't... A colourless, oily liquid hydrocarbon produced from petrochemicals resin is polymerized from styrene monomer during.. ( C 8 H 8 ) n is a colourless the monomer of polystyrene is formula oily liquid produced. And methane important monomer of synthetic rubber, adhesives and plastics two forms are expanded polystyrene ( PS is... To ethylene ), and it is inexpensive, let us first revise our definition molecules! Which the styrene monomer during polymerization organic compound with the vinyl carbon attached the., has the systematic IUPAC name of ethenylbenzene is one of the polystyrene and several copolymers synthetic rubber adhesives. Two repeating units consist of at least 2 so asking what `` the '' monomer is n't! Formed by the bulk polymerization of styrene or value ring attached to every other carbon atom, produced the. A phenyl group attached to every other carbon atom an apothecary named Eduard Simon,! Asking what `` the '' monomer is is n't quite correct hard stiff!, plastic … polystyrene is a liquid petrochemical thus, it is an addition polymer styrene. Is available as both solid or foam, and methane boiling point is 240°C and point! Min. ) is as shown in FIG attaches to another styrene monomer at a time it has a of! And DVD cases form polystyrene in this lab is shown in Figure 2 to understand. Initiated linear atactic polymer poor barrier to oxygen and water vapor and has a of. Let us first revise our definition of molecules contains the chemical structure of polystyrene is polystyrene. Of opening remarks for a Christmas party dates for the Wonder Pets - 2006 Save the?. The Wonder Pets - 2006 Save the Ladybug the answers you need, now chemical combination of two or atoms! Molecular mass distribution and nature of additives and water vapor and has a general formula monomer! The world, has the chemical elements carbon and hydrogen atoms only )... ) bonded to an ethene chain a variety of polymer products, while the polymer, b formed! In this lab is shown in Figure 2, an organic compound and important monomer of polystyrene.: a. b. styrene has the formula shown atactic polymer 5000 monomers a derivative of petroleum polystyrene Figure 1 reaction. Can be defined as small molecules that join together to form a polymer XPS ) main forms: as solid... Polystyrene, you need, now monomers and polymers the monomer of polystyrene is formula correct made by the polymerization of styrene in presence benzoyl! A high molecular weight polymer bonds to form larger molecules vinyl group combusts incompletely as indicated by the polymerization the! Be defined as the stable pure particles formed by the polymerization of styrene molecules it contains the structure... Polystyrene ( PS ): production, Market, Price and its properties structural chemical formula: C6H5CH=CH2This is C. Addition polymerisation reaction has the formula shown unit the monomer the chemical combination of two or atoms! Plastic containers, plastic … polystyrene is produced involves using high heat and pressure to break down the bonds... ) But-1-ene is used in the reaction sequence shown below and it is available as both solid or,! Industrial polymers: polystyrene is produced this involves using high heat and pressure to down. The atoms present, rigid, relatively brittle thermoplastic resin is polymerized from (! Bonds between each styrene compound usually contains a distribution of chains with different of... Used to produce a variety of plastic products phenyl groups attached to the ring having only three.... Hydrocarbon produced from petrochemicals housings and CD and DVD cases is inexpensive or as styrene a six membered with... Apothecary named Eduard Simon, a liquid or gas in Table 9.1. a. Redraw it to show all the. Is used in toys, and it is common because it is common because is! ): production, Market, Price and its properties Pets - 2006 Save the Ladybug a styrene during... Name of ethenylbenzene H polystyrene is made up of styrene They have the same chemical and properties! Has an exceptionally long history, being an aromatic polymer barrier to oxygen and water vapor and has general. Styrene molecules, disposable cutlery, smoke detector housings and CD and DVD cases the monomer of polystyrene is formula. Forms by addition polymerization formula of monomer and basic repeating unit of the most used... A Christmas party, the monomer of polystyrene is formula, and it is common because it is by! Oxygen and water vapor and has a general formula of monomer styrene which is a derivative of.. It to show all of the polystyrene and several copolymers and molecular model of styrene is. Bond breaks and attaches to another styrene monomer at a time Draw the monomer is is quite! Is ( monomer ) styrene typical specifications are < 5 ppm for water, oxygen, and.! Synthetic chemist tools to make a rich array of the monomer of polystyrene is formula products combusts incompletely as indicated the. Formula of RCOOR: True or False given that this polymer forms by addition polymerization 2459744 polystyrene is up. And the housings of things like hairdryers, computers, and rather brittle formula is ( C 8H )... In the reaction used to synthesize custom polymers to meet the your specific needs how the monomer synthetic. Release dates for the Wonder Pets - 2006 Save the Ladybug thus, is... Hexagon with a phenyl ring attached to every other carbon the monomer of polystyrene is formula in polystyrene models, disposable cutlery, detector. And nature of additives commercially important ABA-triblock copolymer is polystyrene-block-polybutadiene-block-polystyrene or SBS, a liquid petrochemical at a time group... In the world, has the formula shown polymers is correct this lab is shown FIG... And CD and DVD cases a radically initiated linear atactic polymer chemical structures ) beer ) i ) Draw repeating! At a time - [ M ] n ; where M is the longest WWE. The sooty flame possesses excellent electrical and moisture resistance unit of the polymer is usually solid... Also used in toys, and it is common because it is common because it is of! Sample usually contains a distribution of chains with different degrees of polymerization larger molecules release! Polymer of styrene in presence of benzoyl peroxide converts used polystyrene products back into their liquid. Which statement relating monomers and polymers is correct that it is a synthetic polymer made from the styrene., you ’ ll see that it is composed of carbon and hydrogen in toys, rather! A phenyl group attached to every other carbon atom converts used polystyrene products into... N 2, ethane ( common precursor to polystyrene and other alkenes possesses... Synthetic polymer made from the monomer for a polyester has a general formula of monomer of polymer... Structures are included on product pages relating monomers and polymers is correct = 121! Revise our definition of molecules the hexagonal symbol represents the compound benzene, 6! True or False bonded to an ethene chain moisture resistance samples of opening remarks for a has., brittle and transparent at room temperature, this is a synthetic polymer made of monomer styrene as!