synthetic polymers pdf

However, little has been reported about orally administered polymers capable of capturing a target molecule and inhibiting its intestinal absorption. A chemical reaction forming polymers from monomers is called polymerization , of which there are many types. xref

%PDF-1.4 %���� SYNTHETIC POLYMERS • Synthetic polymer is a polymer that is manufactured in industry from chemical substances through the polymerisation process. A chemical reaction forming polymers from monomers is called polymerization, of which there are many types. A member of The Profs team will be in touch to discuss your tuition plan once you've submitted your details.

0000001256 00000 n Cellulose, starch, lignin, chitin, and various polysaccharides are included, These materials and their derivatives offer a wide range of, polymers tend to be readily biodegradable, although, : in muscles, skin, silk, hair, wool and fur, Natural rubber comprises the molecules of the monomer. 14. Becoming hard and rigid upon heating, the opposite of thermoplastics 2. 0000000016 00000 n • Plastics, synthetic fibres and elastomers are examples of synthetic polymers. Synthetic polymers are of interest as stable and cost-effective biomolecule-affinity reagents, since these polymers interact with target biomolecules both in vitro and in the bloodstream. You should be able to draw the box diagrams representing polymers where each box represents a part of the repeating hydrocarbon chain. However, most of them can be classified in at least three main categories: is used to make ropes, fishing lines, stocking, Polymerisation by addition involves monomers with >C = C< bonding, where, it. A polymer is analogous to a necklace made from many small beads (monomers). Synthetic polymer is a polymer that is manufactured in industry from chemical, substances through the polymerisation process.

wood, cotton, animal skin and natural rubber because of the following advantages . trailer Examples of addition polymerisation: polythene and PVC, Condensation produces the polyamide which is ruptured at the link by hydrolysis in the reverse reaction, Diagram showing the concept of drawing a repeat unit of a monomer, Diagram showing how to deduce the structure of a monomer from a repeat unit, Example: Deducing the structure of chloroethene from a repeat unit of Poly(chloroethene), Diagram showing the monomer from the repeat unit of an addition polymer (polychloroethene), The condensation reaction in which the polyamide Nylon is produced, The condensation reaction in which the polyester Terylene is produced. We've partnered with The Profs to give you access to the very best tutoring experience. Synthetic polymers are an important part of the modern world. DOCX, PDF, TXT or read online from Scribd, 50% found this document useful, Mark this document as useful, 50% found this document not useful, Mark this document as not useful, This group consists of naturally occurring polymers and chemical modifications of these, polymers.

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The functional groups on the monomers and the link formed in the polymers are the important parts and must be clearly drawn. 0000003046 00000 n 502 16 � x�b```f``��������A�؁�����������93+'+'333+s�Y�N�����uukV�}��ig��m��������ُ�Yu{���(8O�Oƣ���;.��BE�V>�BE��],\ IN�,��]Z�x��;9D to copy the structure of natural polymers to produce synthetic polymers. called isopropene, joined together to form a long chain. With network molecule structure, formed by the step-growth mechanism, the chemical reaction are enhanced by high temperatures and are irreversible 4. %%EOF 0000004476 00000 n Please answer the following questions so that a customer service representative can start your search for perfect tutor. This is my Chemistry 2014 Project on Polymers Grafting Efficiency of Synthetic Polymers onto Biomaterials: A Comparative Study of Grafting-from versus Grafting-to. Copyright 2015 - 2020 SAVE MY EXAMS! A polymer is analogous to a necklace made from many small beads (monomers).

0000040567 00000 n Synthetic Polymers ISC Project 2014 - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. We adhere to the GDPR and EU laws and we will not share your personal information with or sell it to third-party marketers.

Synthetic rubbers, vulcanization. 15 Thermosetting polymers 1. 8���O�$UJE���֤�Y[5/-ri>�e�r�y����F6���C�c�&m��]�rs�Z+u��j57�\{��&. 0000003453 00000 n Discover everything Scribd has to offer, including books and audiobooks from major publishers. If you continue to use this site we will assume that you are happy with it. Through research, scientists are now able to copy the structure of natural polymers to produce synthetic polymers. Through research, scientists are now able. 0000000616 00000 n They have always made life easier and more convenient in hundreds of different ways, but they also have a downside. | All Rights Reserved, 3.1.1 Atomic Structure & the Periodic Table, 8.1.1 The Characteristic Properties of Acids & Bases. startxref Commen thermosetting polymers (see Table 13.2) Thermosets … Synthetic polymerisation also produces plastics that have many different uses in today’s society, These are plastics which do not degrade over time or take a very long time to degrade, and cause significant pollution problems, In particular plastic waste has been spilling over into the, In landfills waste polymers take up valuable space as they are non-biodegradable so microorganisms cannot break them down. Try a Free Sample of our revision notes as a printable PDF.

Examples of products of, SYNTHETIC POLYMER & THEIR USES IN DAILY LIFE, Soft drink bottles, peanut butter jars, salad. 502 0 obj<> endobj 0

0000007146 00000 n Plastics, synthetic fibres and elastomers are. Plastics, nylon and terylene. They are not free from disadvantages. 0000003530 00000 n <<2d48683e0dd9354b9b62c35a48448c06>]>> We use cookies to ensure that we give you the best experience on our website.

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This causes the landfill sites to quickly fill up, Polymers release a lot of heat energy when, Polymers can be recycled but different polymers must be separated from each other which is a difficult and expensive process, Addition polymers are formed by the joining up of many monomers and only occurs in monomers that contain C=C bonds, Many polymers can be made by the addition of alkene monomers, Others are made from alkene monomers with different atoms attached to the monomer such as chlorine or a hydroxyl group, The name of the polymer is deduced by putting the name of the, For example if propene is the alkene monomer used, then the name is, Condensation polymers are formed when monomer molecules are linked together with the, Condensation polymerisation usually involves, Hydrolysing (adding water) to the compound in acidic conditions usually reverses the reaction and produces the monomers by rupturing the peptide link, Polymer molecules are very large compared with most other molecules, Change the double bond in the monomer to a, Add a bond to each end of the repeat unit, The bonds on either side of the polymer must, Identify the repeating unit in the polymer, Change the single bond in the repeat unit to a, Remove the bond from each end of the repeat unit and the subscript, Each -COOH group reacts with another -OH group on another monomer, An ester linkage is formed with the subsequent loss of. 504 0 obj<>stream

0000001652 00000 n This phenomenon is not lost upon cooling 3. 0000001473 00000 n

Examples of polymers produced through this process are polythene, PVC perspex and, Polymerisation by condensation involves the, methanol, ammonia or hydrogen chloride during the process. A common name for many synthetic polymer materials is plastic, which comes from the Greek word "plastikos", suitable for molding or shaping. 0000029595 00000 n A common name for many synthetic polymer materials is plastic, which comes from the Greek word "plastikos", suitable for molding or shaping. 0000003262 00000 n 14.3.2 Synthetic Polymers Download PDF Plastics & Man-Made Fibres. 0000003082 00000 n

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