WebMar 8, 2016 · Polymer describes the material at a macromolecular level whereas resin describes the material in bulk form.”. “Resin could include additives and be made up of more than one type of polymer. For example, ABS ‘resin’ has acrylonitrile polymer and butadiene polymer as constituents.”. WebJan 22, 2013 · 14. Crystalline polymers • Areas in polymer where chains packed in regular way. • Both amorphous and crystalline areas in same polymer. • Crystalline - regular chain structure - no bulky side groups. • More crystalline polymer - stronger and less flexible. 15. Cold-drawing • When a polymer is stretched a ‘neck’ forms.
The structure and properties of polymers - SlideShare
WebNov 23, 2024 · Polyamory is a form of ethical non-monogamy that involves committed relationships between two or more people — typically romantic relationships. Essentially, … WebAug 25, 2024 · n CH 2 =CH 2 → [ CH 2 CH 2 ] n. During the polymeriation of ethene, thousands of ethene molecules join together to make poly (ethene) - commonly called … how to swallow after a stroke
Introduction to macromolecules (article) Khan Academy
WebOct 13, 2024 · Even the DNA in your cells is a polymer. By definition, polymers are large molecules made by bonding (chemically linking) a series of building blocks. The word … WebThe term polymer refers to a very long molecule made of repeating smaller molecules that have been joined together. Polymers can be natural or synthetic. Synthetic polymers are … Web2. Conducting polymers and their synthesis 2.1. Polyacetylene The invention and conductivity enhancement by doping of polyacetylene were rewarded with the Nobel … reading simplified academy