Polymers Flashcards
1
Q
Natural polymers
A
Starch, cellulose, proteins,dna,rna
2
Q
Semi synthetic
A
Rayon
Cellulose nitrate (explosive)
Cellulose xanthate(fabrics, ciggs)
3
Q
Synthetic
A
Polyester
Polythene
Olefins
4
Q
Linear polymer
A
High density polythene,polyvinyl chloride and polyesters
5
Q
Branched
A
Low density polyethene
6
Q
Cross linked (3D)
A
Bekelite
Melamine
Novolac
7
Q
Addition polymer
A
Teflon
Polyacrylonitrite(PAN)
Polymethylmethacrylate(PMMA)
Buna S
Buna N
Neoprene
8
Q
Homopolymer
A
Polyethene
9
Q
Copolymer
A
Buna N
Buna S
10
Q
Condensation
A
Terylene
Nylon6,6
Nylon6
PHBV
11
Q
Elastomer
A
Natural rubber(isoprene)
Synthetic r(neoprene, BNR, SBR,Thiokol)
12
Q
Fibres
A
Polyamides and polyesters
Nylon6,10
13
Q
Polyester
A
Terylene/dacron/mylar
Glyptal
14
Q
Thermoplastic
A
PVC
Polystyrene
Polyethene
15
Q
Thermosetting
A
Bakelite
Melamine
Urea formaldehyde resins
