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POLYISOBUTENE

CAS No: 9003-27-4


Names
1-Propene,-2-methyl-, homopolymer
2-Methyl-1-propene, homopolymer
Polyisobutene
poliizobüten, poli izobüten
Polyisobutylene
poliizobütilen; poli izobütilen; poli izo bütilen;
poliizobüten; poli izo büten
Polyisobutylene
Synonyms
1-Propene, 2-methyl-, homopolymer
1-Propene, 2-methyl-, homopolymer(C4H8)x, x = 17
2-Methyl-1-propene, homopolymer
2-Methylpropene polymer
Isobutene homopolymer
izobüten homopolimer; izo büten homopolimer
Isobutene polymer
Isobutylene homopolymer
izobütilen homopolimer
Isobutylene polymer
Isobutylene resin
Poly(2-methyl-1-propene)
Poly(2-methylpropene)
Polyisobutene
Polyisobutylene
Polyisobutylene psg
Propene, 2-methyl-, polymers
PSB
PSB (aliphatic polymer)

 

Polyisobutene, also knownas "PIB" or polyisobutylene, (C4H8)n, is the homopolymer of isobutylene, or 2-methyl-1-propene, on which butyl rubber is based. Butyl rubber is produced by polymerization of about 98% of isobutylene with about 2% of isoprene. Structurally, polyisobutylene resembles polypropylene, having two methyl groups substituted on every other carbon atom. Polyisobutylene is a colorless to light yellow viscoelastic material. It is generally odorless and tasteless, though it may exhibit a slight characteristic odor.

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