428221
Poly(propylene-co-1-butene)
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About This Item
hardness
15 dmm (Penetrometer, ASTM D 5)
viscosity
20 poise(190 °C, Brookfield Thermosel)(lit.)
transition temp
Tg −22 °C, softening point 95 °C (ring and ball, ASTM E 28)
density
0.99 g/mL at 25 °C (lit.)
SMILES string
CC=C.CCC=C
InChI
1S/C4H8.C3H6/c1-3-4-2;1-3-2/h3H,1,4H2,2H3;3H,1H2,2H3
InChI key
LMHUKLLZJMVJQZ-UHFFFAOYSA-N
Application
Base polymer in hot melt adhesives and paper-laminating, extender and viscosity modifier in caulks and sealants and waterproofing agent in wire and cable applications.
Optically clear film, fine fibers. Injection and blow molding.
Features and Benefits
Low odor, good heat stability, low color and broad compatibility with elastomers, plastics and tackifying resins.
Produces very clear films. Greater stiffness than ethylene copolymers and is heat sealable.
Physical form
Amorphous copolymer.
Crystalline random copolymer.
Regulatory Information
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