|
gptkbp:instanceOf
|
polymer
elastomer
|
|
gptkbp:appearance
|
colorless to light yellow solid
|
|
gptkbp:application
|
gptkb:football
gptkb:plasticizers
pharmaceuticals
medical devices
caulks
hot-melt adhesives
paraffin extenders
vulcanization agent
|
|
gptkbp:biodegradable
|
not biodegradable
|
|
gptkbp:CASNumber
|
9003-27-4
|
|
gptkbp:chemicalFormula
|
(C4H8)n
|
|
gptkbp:degradedBy
|
resistant to acids
resistant to oxidation
resistant to alkalis
|
|
gptkbp:density
|
0.91 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Hermann_Staudinger
|
|
gptkbp:discoveredIn
|
1931
|
|
gptkbp:glassTransitionTemperature
|
-70°C
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
polyisobutylene
|
|
gptkbp:mainProducer
|
gptkb:INEOS
gptkb:ExxonMobil
gptkb:BASF
TPC Group
|
|
gptkbp:meltingPoint
|
-70°C to -50°C
|
|
gptkbp:molecularWeightRange
|
low to very high
|
|
gptkbp:monomer
|
isobutylene
|
|
gptkbp:polymerizationMethod
|
cationic polymerization
|
|
gptkbp:recyclingCode
|
other (7)
|
|
gptkbp:relatedTo
|
butyl rubber
|
|
gptkbp:solubility
|
insoluble in water
soluble in hydrocarbons
|
|
gptkbp:structure
|
linear polymer
|
|
gptkbp:toxicity
|
low
|
|
gptkbp:usedIn
|
gptkb:dessert
lubricants
adhesives
electrical insulation
sealants
fuel additives
inner tubes
|
|
gptkbp:bfsParent
|
gptkb:C-4
|
|
gptkbp:bfsLayer
|
6
|