Introduction to polymers ppt
WebJul 24, 2014 · 1836 Views Download Presentation. Introduction to Polymers and Plastics. “polymer” – Greek word “polys” = many and “ meros ” = parts Polymers – … WebFor the Vicat B test, the load is 49.05 N. fCharacteristics of Polymers Polymeric molecules are very big molecules. There average molecular weights may approach 105 or more. They are also known as …
Introduction to polymers ppt
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http://api.3m.com/principles+of+motion+economy+ppt Webwe introduce crosslinks between the polymer chains which help it in retracting to its original position, and taking its original form. Our car tyres are made of Vulcanized …
Web3-Homologous polymer blend: Mixture of two or more fractions of the same polymer each of which has different molecular weight distribution. 4-Isomorphic polymer blend: Polymer blend of two or more different semi-crystalline polymers are miscible in the crystalline state as well as in the molten state. Webpolymerization, any process in which relatively small molecules, called monomers, combine chemically to produce a very large chainlike or network molecule, called a polymer. The monomer molecules may be all alike, …
WebA high molecular weight molecule. Typically MWt. 10,000 with a MWt distribution. Synthetic. Polymers contain repeat Units which can be used. to describe the molecule. 5. When … Webpolymer is a subject of continued debate, often polymer scientists put the number at about 25,000 g/mol.This is the minimum molecular weight required for good physical and …
WebChE 412/512 Polymer Materials Engineering Tuesday, January 12th : 12:30 - 1:45 PM Today’s Objectives - check roster; short survey - go over syllabus & calendar - …
Web(i) Natural polymers Those polymers which occur in nature. i.e., in plants or animals. are called natural polymers. (ii) Synthetic polymers The polymers which are prepared in … great islamic okcWebApr 25, 2014 · polymer ppt 1. -:polymer:- submitted by:- submitted to:- khinyaram kakar jyoti joshi (2013uee1597) 2. content:- 1. introduction 2 ... application of polymers 3. introduction a word polymer is a … great islamic booksWebGeneral Introduction to Polymers Karen L. Wooley Departments of Chemistry & Chemical Engineering Texas A&M University Synthetic vs. retrosynthetic analyses Polymers and … great islamic quotesWebChap 1 Introduction to Composites • List of Selected Composites Examples (a) Artificial Composites- Pearlitic steels - exhibit microstructures of alternating layers of a-ferrite and cementite (Fe 3 C) - Ferrite appear to be soft and ductile; cementite is hard and brittle - Combinations of both produce a new properties with high ductility and strength that … floating nesting platformWebIntroduction to polymer chemistry • What is a polymer? • History • Nobel Prizes Step Growth Polymerizations • Polyesters, polyamides, polyurethanes etc. • Network … floating nesting boxWebApplications of conducting polymers: 1. Conducting polymers are useful in discharging large quantities of static electricity in computer industries and in chemical industries. This … floating nether islandWeb2. Introduction to Polymers – Polymers are extremely important materials. we have been using polymeric materials in our daily life. – Have known since ancient times – cellulose, … floating needle compass