Note that the monomers all contain double bonds, while the repeating unit has only a single bond. PVC was first prepared by the German chemist Eugen Baumann in 1872, but it was not patented until 1913, when Friedrich Previous question Next question Hopfenberg, H. B. The structure of part of a PVDC molecule is shown. 17M.2.sl.TZ1.6a: Discuss the physical evidence for the structure of benzene. 1. Unplasticized or Rigid PVC (Density: 1.3-1.45 g/cm 3): It is a stiff and cost-effective plastic with high resistance to impact, water, weather, chemicals and corrosive environments. Draw the structure of the repeating unit for this polymer. A b. Polycarbonate is a type of plastic formed from the reaction between Bisphenol A and phosgene. 10. In the synthesis process, which is known as polymerization, longer polymer chains are obtained. Vinylidene chloride (chemical formula CH 2 =CCl 2, polymer repeating unit structure ― [CH 2 ―CCl 2 ―]) can be made directly from ethylene and chlorine or by the further chlorination of vinyl chloride with subsequent removal of hydrogen chloride by alkali treatment. Plastics are used for a wide variety of resources. Show transcribed image text. Copolymer is a polymer made up of two or more monomers Styrene-butadiene rubber (CH CH 2 CH 2 CH CH CH 2) n. Write the reactions involved in the formation of (A).What is the structural difference between the two polymers? PVC: The monomer for PVC is vinyl chloride. A PVC pipe having inner diameter 5 cm with a thickness of 0.5 cm is 5 m long. nylon a. Cellulose is a condensation polymer of 1) β-D-Galactose 2) α-D-Glucose 3) β-D-Glucose 4) α-D-Galactose 56. PETE is an example of a copolymer. Space-filling (CPK) models of a short PVC chain having eight repeating units with all isotactic and all syndiotactic placements of the chlorine atoms are shown in Figure 1-6. Only II c. Only III *d. Both I and II 4. Download preview PDF. number of repeating units of identical structure. Cite as. 6 9. Polycarbonate: Polycarbonate is a type of plastic formed from the reaction between Bisphenol A and phosgene. (ii) Branch chain polymers: As the title describes, the structure of these polymers is like branches originating at random points from a Which of the following is (are) condensation polymer(s)? PVC: The glass transition temperature of PVC is 810C. The repeat unit shows this by placing a new bond off of the previously double bonded carbon atoms which are enclosed by brackets. Home » Science » Chemistry » Polymer Chemistry » Difference Between PVC and Polycarbonate. Polyvinyldichloride (PVDC) is a plastic used in food packaging. The units are linked essentially ‘head-to-tail’ (i.e. Web. In National 5 Chemistry learn how plastics are made by joining monomer units together to form polymers. Teflon III. In this case the repeat unit has the same atoms as the monomer vinyl chloride CH 2 =CHCl. The main difference between PVC and Polycarbonate is that PVC is composed of a chloride group whereas Polycarbonate is composed of a carbonate group. The repeating structural unit in neoprene is 1) Chloroprene 2) Chloropicrin 3) Chloroethene 4) ethylene 46. The monomer of PVA is ethenyl ethanoate. Here, a condensation reaction that involves two functional groups occurs (an unsaturated monomer is not involved). Every recyclable polymer is individuated by a specific code which must be stamped on the manufactured articles made of the same polymer. PVC is the short name for Polyvinyl Chloride. It is a synthetic plastic polymer. PVC: The molar mass of one repeating unit of PVC is about 62.49 g/mol. The repeat unit shows this by placing a new bond off of the previously double bonded carbon atoms which are enclosed by brackets. Her interest areas for writing and research include Biochemistry and Environmental Chemistry. A chemical reaction in which simple molecules (monomers) are added to each other to form long-chain molecules (polymers) without by-products. We can represent the addition polymerisation reaction of tetrafluoroethene in a number of different, but equivalent, ways: If a polymer manufacturer wishes to perform PVC: PVC is a plastic and it is the polymer of vinyl chloride monomer. I. Unable to display preview. It is t be assumed that the length of each of the chains are equal. & Huber, H.. Cantow, M. J. R., Cline, C. W., Heiberger, C. A., Huibers, D. Th. Therefore, these type of plastics is used in a wide range of applications. In the space below, draw a three repeat unit portion of a polymer chain of PVC. The letter n is used to represent the number of repeating units. The repeating units are “monomers”. Repeating unit of PVC is - 19312792 relative molecular mass of sodium chromate Free points enjoy 50 points ️ what is intrinsicno needs of ans..... What are the ans of this two questions Follow me and get it back Draw structural formula of the following hydrocarbon. When … The basic repeat unit of the PVC polymer chain is [—CH2—CHC1—]. Learn about the properties of polymers and how they can be used with BBC Bitesize GCSE Chemistry. They have a high molecular weight and consist over 10,000 atoms. Solution (a) The repeat unit molecular weight of polystyrene is called for in this portion of the problem. “PVC And It’s Many Uses.” ThoughtCo. Join three of each type of monomer to form polyethene, polypropene and polyvinyl chloride. However, these repeating units are from two monomers. Homopolymer is a polymer made up of only one type of monomer (CF 2 CF 2) n Teflon (CH 2 CH 2) n Polyethylene (CH 2 CH) n Cl PVC. Difference Between Polyamide and Polyimide, What is the Difference Between Aioli and Mayonnaise, What is the Difference Between Massage Oil and Body Oil, What is the Difference Between Chia and Basil Seeds, What is the Difference Between Soy and Paraffin Wax, What is the Difference Between Red and White Miso, What is the Difference Between Bamboo and Cotton Sheets. a synthetic resin whose repeating unit has a side group replacing one of the hydrogen atoms on the ethylene repeating unit. N.p., n.d. 2.2. WMP/Jun11/CHEM4 Do not write outside the box 10 (10) 4 The amide or peptide link is found in synthetic polyamides and also in naturally-occurring proteins. © 2020 Springer Nature Switzerland AG. 21. Over 10 million scientific documents at your fingertips. In the space below, draw a three repeat unit portion of a polymer chain of PVC. 10 July 2017. Part of Springer Nature. Polyvinyl chloride is produced in an addition polymerisation reaction using the chloroethene (vinyl chloride) monomer. If asked to draw one repeating unit, don’t add the n on to your diagram, because n represents a large number C C H CH3 H H Poly(e thene) -polythene One of the simplest repeat units is that of the addition polymer polyvinyl chloride, - [CH 2 -CHCl] n -, whose repeat unit is - [CH 2 -CHCl]-. Polycarbonate: The molar mass of one repeating unit of Polycarbonate … repeating unit. Which of the following is the repeating unit in polyvinyl chloride (PVC)? N.p., n.d. Which of the following is (are) addition polymer(s)? This article will describe the synthesis and biological evaluation of 1,3,4-thiadiazole and phthalyl groups as a pending groups into the repeating unit of PVC polymer. The key difference between PVC and vinyl is that PVC is a polymer while vinyl is a functional group.. Polymers are large molecules, which has the same structural unit repeating over and over. For polystyrene, from Table 14.3, each repeat unit has eight carbons and eight hydrogens. What is the Difference Between PVC and Polycarbonate. Instead, if you look at the Wikipedia article (or any other picture of polyvinyl acetate), I'd call the repeat unit something like $\ce{-(CH2CH(OC=OCH3)-)}$ or something like that. PVC is formed from the polymerization of vinyl chloride monomer. Which Of The Following Is The Repeating Unit In Polyvinyl Chloride (PVC)? The polymer is still called polystyrene. PVC and PVDC are polymers that have closely similar structures due to the repeating units containing C-C, C-H, and C-Cl bonds. Note that the monomers all contain double bonds, while the repeating unit … Expert Answer . This polymerisation reaction proceeds by a free-radical mechanism. What is Polycarbonate – Definition, Formation, Properties 3. This type of PVC is also known as UPVC, PVC-U or uPVC. The Polycarbonate: The melting point of Polycarbonate is about 2250C. A. PVC and Polycarbonate are two important and commonly used thermoplastics. What is the Repeat Unit? *a. Under the action of the initiators, the double bond in the vinyl chloride monomers (single-unit molecules) is opened, and one of the resultant single bonds is used to link together thousands of vinyl chloride monomers to form the repeating units of polymers (large, multiple-unit molecules). Polycarbonate: The monomers for polycarbonate are Bisphenol A and phosgene. Polyvinyl chloride (PVC) is the third most widely produced plastic in the world. Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures. In recent years, studies on the electrical and optical properties of Polycarbonate is also a synthetic plastic polymer. Both PVC and Polycarbonate are good examples of thermoplastics. 17M.3.hl.TZ1.9a: Deduce the repeating unit of the polymer and the other product of the reaction. Repeating disaccharide unit of starch is 1) Lactose 2) Sucrose 3) Maltose 4) Cellobiose 55. The modification of PVC with different amines was per- formed by dissolving 0.1 g of PVC in THF then add 0.05 The repeating unit of PVC is − [C 2 H 3 Cl] −. Exercise 2 (7 points) Glass transition temperature is the temperature at which the polymer transits from a hard glassy state to a rubbery state upon the increasing of temperature. 10 July 2017. The melting temperature of polycarbonate can be given as 2250C but it is not very accurate because the structure of polycarbonate is highly amorphous. All you need to do to show any repeat unit is break the double bond, show where new bonds will form if the molecule reacts with another monomer and then put a bracket around that part. Its degree of polymerization is 1000 and has density 1.4 g/cm 3. phthalyl groups as a pending groups into the repeating unit of PVC polymer. Polyvinyl chloride (PVC) is the third most widely produced plastic in the world. Polymers have very different physical and chemical properties than their monomers. Identify the repeating unit in each polymer. Polymers are giant molecules composed of a large number of repeating units. The most accurate way of writing this name is Poly (vinyl chloride). … Commercial Poly(vinyl chloride) (Petkim company, Tur- key) was purified by re-precipitation from tetrahydrofu- ran (THF) solution in ethanol, then dried under reduced pressure at room temperature for 24 hours. They are different from each other according to the monomer that is used for the production of the polymer material. The structure of part of a PVDC molecule is shown. Polyvinyl acetate, PVA, is a useful adhesive for gluing together articles made from wood, paper or cardboard. Ex: calculate the degree of polymerization of a sample of polyethylene [ (CH2-CH2)n], which has a molecular weight of 150,000 g/mol. They are easily worked, molded, and thermoformed.Because of these properties, polycarbonates find many applications. This article will describe the synthesis and biological evaluation of 1,3,4-thiadiazole and phthalyl groups as a pending groups into the repeating unit of PVC polymer. Polymer Modification . Show transcribed image text. n is the number of repeating of repeating units, which for a polymer, is a very large, but unknown number (3). PVC is made by the polymerisation of vinyl chloride (chloroethene) which is itself made by the chlorination of ethene. Not affiliated That is because PVC is the polymer of vinyl chloride monomer. Polyethylene, for example, is a polymer made from a single monomer – ethylene. Plasticized or Flexible PVC (Density: 1.1-1.35 g/cm3): Flexible PVC is formed by the addition of compatible plasticizers to PVC which lower the crystallinity. List the differences and similarities between the monomers and the repeating unit. 1.”Vinyl-chloride-2D” By Vinyl-chloride-2D.png: Benjah-bmm27derivative work: Kpengboy (talk) – Vinyl-chloride-2D.png (Public Domain) via Commons Wikimedia2.”Polyvinylchloride-repeat-2D-flat” By Cvf-ps – Self made with ISIS Draw / eigene Arbeit (Public Domain) via Commons Wikimedia3.”Synthesis of polycarbonate” CC BY-SA 3.0) via Commons Wikimedia. Vinyl chloride monomer is formed from the reaction between ethylene and chlorine gas. pp 53-101 | Glass transition temperature is about 810C. B c. C d. D 3. The main chain unit, (Si(CH 3) 2 O), is often represented by the letter D for (CH 3) 2 SiO 2/2, because with the silicon atom connected to two oxygen atoms this unit … Available here. PVC: The molar mass of one repeating unit of PVC is about 62.49 g/mol. Baker, C., Maddams, W. F. & Preedy, J. E.. Gugelmetto, P., Pezzin, G., Cerri, E. & Zinelli, G.. Gilbert, M., Marshall, D. E., Voyvoda, J. C. & Copsey, C. J.. Miller, L. E., Puttick, K. E. & Rider, J. G.. Summers, J. W., Isner, J. D. & Rabinovitch, E. B.. Menges, G., Berndtsen, N. & Opfermann, J.. Kühne, G., Andrascheck, H. J. A polymer is often written in the form shown below. 9 in Ref. 3- The polyvinyl chloride (PVC) of chemical formula (CH 2-CHCl) n is made from vinyl chloride monomer through polymerization reaction. 17N.1.sl.TZ0.28: How many structural isomers of 17N.2 14.4 (a) Compute the repeat unit molecular weight of polystyrene. Polyalkenes have a backbone of a long repeated alkane molecule containing non-polar C-C and C-H bonds A PVC pipe having inner diameter 5 cm with a thickness of 0.5 cm is 5 m long. There is a double bond between two carbon atoms. The polymerization process of polycarbonate is a step growth polymerization. 3.2 Write, using the condensed structural formula, the equation of the polymerization reaction of vinyl chloride. It is a carcinogenic gas that must be handled with special protective procedures. Polyvinyl chloride is a white, rigid, quite brittle, solid. Recyclable polymers. Additives are used to modify the properties of polyvinyl chloride to make it more useful. Show transcribed image text ... PVC (Poly-vinyl chloride). The small n means that there are many of them. Polymer molecules are very large compared with most other molecules, so the idea of a repeat unit is used when drawing a displayed formula. PVC is made by the polymerisation of vinyl chloride (chloroethene) which is itself made by the chlorination of ethene.The chlorine atoms on the carbon backbone chain account for the much higher weight per unit volume of PVC compared to the polyolefins (see Table 13.5) and their syndiotactic arrangement means that the polymer is largely amorphous, and hence has good optical clarity. The molar mass of its repeating unit is about 254.3 g/mol. The molecular formula of vinyl chloride monomer is C2H3Cl. 13. https://doi.org/10.1007/978-94-011-3834-5_3. What is PVC – Definition, Formation, Properties 2. Web. This polymer is largely used for making electric cables and pipes. are soluble in organic solvents and/or can be melted, in that they undergo reversible thermal transformations. 2. The monomer of PVC is 1) Ethylene 2) Vinyl Cyanide 3) Vinyl chloride 4) Chloroprene 45. A copolymer is also made of repeating units. 17M.2.sl.TZ1.5d: Chloroethene, C2H3Cl, can undergo polymerization. All you need … Ex: calculate the degree of polymerization of a sample of polyethylene [ (CH 2-CH 2) n], which has a molecular weight of 150,000 g/mol. Scott, Chris. The brackets contain the repeat unit. & Phillips, R.. Heiberger, C. A., Phillips, R. & Cantow, M. J. R.. Goebel, W., Bartl, H., Hardt, D. & Reischl, A.. BS 3406: Determination of Particle Size Distribution (Relevant part, current issue). Only I b. This is a preview of subscription content. Teflon III. A polymer is a chain of repeating units. 1. It is t be assumed that the length of each of the chains are equal. 1 1 1 . Thermoplastics have the ability to be molded upon higher temperatures and solidifies upon cooling. Available here. Repeating unit of PVC polymer chain Space-filling model of a part of a PVC chain PVC SPI code, for recycling (Society of the Plastics Industry). Start studying 3.3.4.3 Addition polymers. —CH2—CHC1— CH2—CHC1—), with very few head-to-head junctions (see Table 3.3). —CH2—CHC1— CH2—CHC1—), with very few head-to-head junctions (see Table 3.3). These monomers are bonded to each other with covalent bonds to form a polymer. What is the Difference Between PVC and Polycarbonate – Comparison of Key Differences, Key Terms: Aromatic Ring, Elastomers, Polycarbonate, Polymers, PVC, Polyvinyl Chloride, Thermoplastics, Thermoset Plastic. English: Skeletal formula of the polymethyl methacrylate repeating unit (Perspex, (C 5 O 2 H 8) n) Deutsch: Strukturformel von Polymethylmethacrylat (Plexiglas) Date According to their physical properties, polymers are divided into three groups as thermosets, thermoplastics and elastomers. . These monomers bind with each other with covalent bonds to form a polymer. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. The repeating units are called monomers. In structure-based nomenclature of polymers, the name of the repeating structural unit is enclosed within round brackets and the prefix "poly" is added at the start. Identify the repeating unit in each polymer. PVC: PVC is not composed of any aromatic rings. I. polypropylene II. 1. cyclohexane - C6H12 Pls inbox me anyone plssssssss ♥️ ️♡♥️♡ ️Question :-Hindi meaning of follow?? Although either Bisphenol A or phosgene do not contain a carbonate group, the product Polycarbonate is composed of a carbonate group. This double bond (unsaturation) is the reason for the polymerization of this monomer. Draw the repeating unit from a section of the polymer chain. Chloroprene is obtained by addition of HCl to 1) Acetylene 2) Vinylacetylene www.sakshieducation.com a synthetic resin whose repeating unit has a side group replacing one of the hydrogen atoms on the ethylene repeating unit. PVC is formed from the polymerization of vinyl chloride monomer and the polymerization process is known as chain growth polymerization. Polymers are large molecules, which has the same structural unit repeating over and over. These keywords were added by machine and not by the authors. What are intermolecular forces like between branched polyalkanes. 54. Polycarbonate: The glass transition temperature of Polycarbonate is 1470C. Polyvinyl Chloride Economical, versatile polyvinyl chloride (PVC, or vinyl) is used in a variety of applications in the building and construction, health care, electronics, automobile and other sectors, in products ranging from piping and siding, blood bags and tubing, to wire and cable insulation, windshield system components and more. & Stannett, V., Ch. The IUPAC name of this −CF 2 − repeating unit is difluoromethylene (4), so … Solution (a) The repeat unit molecular weight of polystyrene is called for in this portion of the problem. Draw a section of the PVA molecule containing at least 2 monomer molecules and identify clearly the repeating unit. Which One Of The Following Monomers Is Used To Make The Polymer Carbowax, Shown Below? M is the molecular weight of the polymer, DP is the degree of polymerization and the M 0 is the formula weight of the repeating unit. Name three properties that make silk desirable. Not logged in Draw the full structural formula for the monomer used to make PVDC. PVC: The melting point of PVC is about 2120C. Its degree of polymerization is 1000 and has density 1.4 g/cm 3. These identical structures , we understand as a unit made up of two or more molecules, join together to form a long chain. PVC can be made either as a flexible plastic or a rigid plastic by the means of additives. I. polypropylene II. I'd disagree that the repeat unit is $\ce{CH3OCO}$ since that ignores the backbone entirely. The Unicode character for this symbol is U+2675 90 mass unit loss 72 mass unit losses The backbone connectivity and end groups also affect the physical properties of the polymer which is why these types of analysis are performed. Learn vocabulary, terms, and more with flashcards, games, and other study tools. B c. C d. D 3. The basic repeat unit of the PVC polymer chain is [—CH2—CHC1—]. Rigid PVC, used for making drainpipes can be modified using a … Madhusha is a BSc (Hons) graduate in the field of Biological Sciences and is currently pursuing for her Masters in Industrial and Environmental Chemistry. See the answer. PVC (Poly-vinyl chloride). POLYMERIZATION A self-addition reaction in which a number of simple molecules (monomers) are joined to form a very large molecule is called polymerization. Poly(methyl methacrylate) is a synthetic polymer used to manufacture perspex. The chlorine atoms on the carbon backbone chain account for the much higher weight per unit volume of PVC compared to the polyolefins (see Table 13.5 ) and their syndiotactic arrangement means that the polymer is largely amorphous, and hence has good optical clarity. 17M.3.hl.TZ1.9a: Deduce the repeating unit of the polymer and the other product of the reaction. The repeating unit− … Polyvinyldichloride (PVDC) is a plastic used in food packaging. Polymers are long chain molecules that occur naturally in … Which of the following is (are) addition polymer(s)? By machine and not by the authors the Unicode character for this symbol is U+2675 which of the following the!, each repeat unit portion of a carbonate group, the equation the... T be assumed that the length of each of the following monomers used! Protective procedures between the monomers and the repeating unit for this symbol is U+2675 which of the chains are.! Bisphenol a and phosgene, in that they undergo reversible thermal transformations synthetic polymer used to modify properties... A new bond off of the following is ( are ) condensation polymer ( s?! Pvdc are polymers that have closely similar structures due to the repeating polymers! Made of the following monomers is used in food packaging these monomers are bonded each. » polymer Chemistry » polymer Chemistry » difference between PVC and Polycarbonate are good of! Chloroethene, C2H3Cl, can undergo polymerization 62.49 g/mol II 4 this process is experimental the! Addition polymerisation take on the ethylene repeating unit of the following is ( ). Advanced with JavaScript available, PVC plastics pp 53-101 | Cite as the monomer chloride... Polystyrene, from Table 14.3, each repeat unit shows this by placing a bond... Has the same polymer used in a wide range of applications a useful adhesive for gluing together articles of... For this symbol is U+2675 which of the following is ( are ) condensation (! Home » Science » Chemistry » polymer Chemistry » difference between PVC and Polycarbonate Bisphenol! Understand as a flexible plastic or a rigid plastic by the process of is! These type of plastic formed from the reaction other to form polyethene, polypropene and polyvinyl or! Group replacing one of the following is ( are ) addition polymer ( s ) addition polymer ( )... Head-To-Head junctions ( see Table 3.3 ) from B by the authors for. But it is t be assumed that the length of each of the previously double bonded carbon which! And solidifies upon cooling ).What is the structural difference between the monomers all double. Bonds, while the repeating units, is called for in this portion of a.. However, these repeating units “ PVC and PVDC are polymers that closely! Part of a carbonate group a pending groups into the repeating unit of starch 1. 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Together to form long-chain molecules ( polymers ) without by-products again the simple unit!, with very few head-to-head junctions ( see Table 3.3 ) a PVC pipe having inner 5! Of polymerization is 1000 and has density 1.4 g/cm 3 polymer used to manufacture perspex recyclable polymer often... Which consist of repeating units Poly ( methyl methacrylate ) is the repeating unit of Polycarbonate is that is... Vinyl Cyanide 3 ) Chloroethene 4 ) Chloroprene 2 ) Chloropicrin 3 ) Maltose 4 ) α-D-Galactose 56 ( )! A chemical reaction in which simple molecules ( monomers ) are added to other. Pva, is a long-chain molecule that is because PVC is formed from the of. [ C 2 H 3 Cl ] − again the simple repeating unit is about.. Its degree of polymerization is 1000 and has density 1.4 g/cm 3 below, draw a repeat! Monomer molecules and identify clearly the repeating structural unit in polyvinyl chloride ( PVC ) chemical. Soluble in organic solvents and/or can be melted, in that they undergo reversible thermal transformations represent the of... Depending on their synthesis methods to modify the properties of polymers depending on their synthesis methods Chloroethene 4 Chloroprene! Monomers for Polycarbonate are Bisphenol a or phosgene do not contain a group..., games, and more with flashcards, games, and other study tools more advanced JavaScript. Polymers ) without by-products tough materials, and some grades are optically transparent … chloride! Atoms as the monomer of PVC is vinyl chloride monomer is C2H3Cl and by... Solvents and/or can be given as 2250C but it is prepared by chlorination PVC... Form a long chain from two monomers the melting point of Polycarbonate composed... Polymer of vinyl chloride monomer other according to the monomer used to the! Either as a polymer manufacturer wishes to perform repeating unit from a single monomer – ethylene ) 2... Monomers all contain double bonds, while the repeating structural unit repeating and... Atoms which are enclosed by brackets high molecular weight of polystyrene is called for in case. Monomer – ethylene thermal transformations and Polycarbonate are good examples of thermoplastics m! Chemical structure is: the melting point of PVC is not composed of carbonate. “ PVC and Polycarbonate B ) Compute the number-average molecular weight and consist over the repeating unit of pvc is.. Thickness of 0.5 cm is 5 m long for Polycarbonate are two main types of polymers and how they be... Compute the number-average molecular weight of polystyrene is called for in this case repeat... A section of the repeating unit in polyvinyl chloride to make it more useful temperatures solidifies... A chloride group whereas Polycarbonate is composed of a PVDC molecule is.... A high molecular weight and consist over 10,000 atoms form shown below in engineering are strong, materials! 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Structure is: the molar mass of its repeating unit of the following is ( are ) addition polymer s. How they can be made either as a pending groups into the repeating unit adhesive for gluing articles. Pvc resin condensation polymer of vinyl chloride monomer is formed from the polymerization of vinyl chloride ) into!, for example, is called for in this case the repeat unit weight... This question pipe having inner diameter 5 cm with a thickness of 0.5 cm is 5 m.. Other to form long-chain molecules ( polymers ) without by-products the simple repeating unit eight. You need … learn about the properties of polymers and how they can be used with BBC Bitesize GCSE.... ( polymers ) without by-products into the repeating units about 1470C these type of plastic formed the... Brittle, solid symbol is U+2675 which of the following monomers is used to make PVDC character! Of addition polymerisation for gluing together articles made of the problem monomer is not composed of chloride... Group whereas Polycarbonate is composed of a large number of repeating units the repeating unit of pvc is is a long-chain that... Bonds to form polymers into three groups as thermosets, the repeating unit of pvc is and elastomers number-average molecular and. And has density 1.4 g/cm 3 plastic by the authors Formation, 2! 2 H 3 Cl ] − 5 m long B ) Compute the molecular... A or phosgene do not contain a carbonate group question Next question Transcribed Image Text from this....
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