| 摘要 |
Oil-resistant expandable styrene polymers containing … … a) from 10 to 90% by weight of uncrosslinked polystyrene and/or an uncrosslinked styrene copolymer containing at least 50% by weight of copolymerised styrene, … b) from 10 to 90% by weight of a crosslinked styrene polymer which contains at least 0.1% by weight, but less than 2% by weight, of a copolymerised monomer containing at least two olefinic double bonds, … c) from 1 to 10% by weight, based on the sum of a) and b), of a C3- to C6-hydrocarbon as blowing agent, and optionally … d) conventional additives in effective amounts, … where the mixture of a) and b) has a melt flow index MFI (200 DEG C, 5.0 kp) in accordance with DIN 53 735 of between 1 and 20 [g/10 min]. |
