Classification of Polymers based on the Source of Availability 0000184962 00000 n Perhaps, plastics/polymers might be the most widely used materials in the present world and also have been named as the ’the materials for the 21st century’ [22], [23]. ����`��C�,߯Z�z�ӏ��YO�Lv�W;�V�UǕ���b���K�s������n*�w2��Mt���H���x*E��@�C��8���m�=�\�����on���5��W�? 0000007029 00000 n applications of polymer in the field of agriculture, highlighting present research trends , impact on food security and what the future holds. 0000027832 00000 n Applications of Polymers, Elastomers, Fibers and Composites These polymers have a similar structure to the polyamides, which have the urethane (carbamate) group as part of the polymer backbone. Applications of cyclic polymers As biointerfaces. Polymers in biomedical applications are: non-toxic, biodegradable, biocompatible and meet the required specification for which they are intended because it has direct contact with the human body. 0000026234 00000 n H�|V�n�0���,K����ηa�$N� Y\�q���GRI9N/�M�O��#���j��5+�V�����`����~[�՜lݚWۚ+>�����n����T���[�b{�2nK�^І@fħ7 ��!�;�%�by�� �( 0000006897 00000 n h�b```b``�f`e`�te�c@ >f da�h s[~������-������S(����@����@ׄ��������{� ��Y���yF�~�8J3����aD�0#�1 �� ��"q applications of polymer in the field of agriculture, highlighting present research trends , impact on food security and what the future holds. 0000029156 00000 n Surface functionalization of biomaterials by grafting synthetic polymers represents a widespread strategy to prevent nonspecific biological adhesion, and impart the desired physicochemical, mechanical and tribological properties to the modified supports. ��&~E?�`xrIhtM�������U+D{���G���됪��'�܆�LJm�l��Oc�!J�j�FL�AL�����ukE=�/��qͼ�w*6����6��� N]F�ls]��G�W�X�ͪi�k uQ�� Their applications range widely from material packaging to fabrication of the most sophisticated drug delivery devices. 0000026802 00000 n The Encyclopedia of Polymer Applications presents state-of-the-art research and development on the applications of polymers. In the commercial production of plastics, elastomers, man-made fibres, adhesives, and surface coatings, a tremendous variety of polymers are used. The word ‘polymer’ is coined from two Greek words: poly means many and mer means unit or part. •Silk is a polymer of the amino acids glycine and alanine •Wool is having disulphide (sulphur-sulphur) bonds to link the polymer chains together. The term polymer is defined as very large molecules having … 643 0 obj <>stream A number of different polymer processing techniques are used in the current industry based on the nature of the application, product, material, and so forth: Extrusion 2 Functionalized Polymers in Agriculture. xref 0000027148 00000 n 0000001452 00000 n The typical average molecular weights (weight average) range from 30,000 to 1,000,000 gmol-1 or higher, depending on the polymer applications, therefore "n" can be varied between several tens and hundreds of thousands. 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PDEAAm has a low value of LCST (a critical temperature below which the components of a solution with any composition are miscible) in the range of 25–32°C, which is near to normal body temperature. 0000014421 00000 n 0000025236 00000 n 20 0 obj <> endobj This page contains materials for the polymers class session on synthesis, properties and applications. Hence conducting polymers are used as antistatics. 0000001238 00000 n of surface and bulk properties of polymers as these properties govern their utilization various applications. 0000029024 00000 n This review includes various polymers used in pharmaceutics based on their applications. Conducting polymers (CPs) are an exciting new class of electronic materials, which … Another important area where polymers have been widely used is in biomedical applications [3-5]. 0000025703 00000 n What is Polymer? 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