polymer chm 1. Following is an alphabetical listing of important terms encounter
ID: 570991 • Letter: P
Question
polymer chm
1. Following is an alphabetical listing of important terms encountered in this course. Their meaning must be clear to you before you proceed further into the book. Write a concise definition of each, using examples as appropriate o. Ladder polymer p. Linear polymer a. Addition polymerization b. Alternating copolymer c. Block copolymer d. Branched copolymer e. Condensation polymerization f. Copolymerization Macromer 9 r. Macromolecule s. Monomer t. Oligomer u. Polyolefin v. Repeating unit w. Ring-opening polymerization x. Telechelic polymer y. Thermoplastic z. Thermoset aa. Vinyl monomer Crosslinking h. Degree of polymerization i. Dendrimer Elastomer k. End group I. Engineering plastic m. Graft copolymer n. HomopolymerExplanation / Answer
A. Additional polymerization is a reaction by which addition polymer is formed.
B. Alternating copolymers with regular alternating A and B units. Ex. -A-B-A-B-A-B-
C. Block copolymer is a copolymer formed when the two monomers cluster together and form 'blocks' of repeating units.
Ex. Y-Y-Y-Y-Y-X-X-X-X-X-Y-Y-Y-Y-Y-X-X-X-X-X-
D. In polymer chemistry, branching occurs by the replacement of a substituent.
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