C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3040
C08L 53/00 (2006.01) C08L 53/02 (2006.01) C08L 71/12 (2006.01)
Patent
CA 1176391
ABSTRACT OF THE DISCLOSURE: Thermoplastic molding materials based on block copolymers of monovinyl-aromatic compounds and conjugated dienes and on polyphenylene ethers, which materials contain block copolymers of from 60 to 80% by weight of a monovinyl- aromatic compound and from 40 to 20% by weight of a conjugated diene of 4 to 8 carbon atoms as polymerized units, which block copolymers are made up of non-elastomeric polymer segments based on the monovinyl-aromatic compound and of elastomeric polymer segments based on the conjugated diene and have been prepared by anionic solution polymerization of the monomers by means of a monolithium-hydrocarbon initiator followed by coup- ling with a polyfunctional coupling agent, the resulting branched block copolymers having structures conforming to particular general formulae.
385531
Brandstetter Franz
Echte Adolf
Gausepohl Hermann
Gerberding Karl
Naarmann Herbert
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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