C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 25/04 (2006.01) C08L 25/02 (2006.01) C08L 33/06 (2006.01) C08L 33/10 (2006.01)
Patent
CA 2106697
ABSTRACT OF THE DISCLOSURE The invention relates to light-scattering polystyrene molding compounds comprising 40-99.9 weight % of a (optionally impact- strength-modified) polymeric matrix phase comprised of at least 50 weight % styrene and or substituted styrenes, or a mixture thereof; and 0.1-60 weight % of scattering bodies comprising a copolymer comprised of: p1) 20-89.5 parts by weight (pbw) methyl methacrylate, ethyl methacrylate, or a mixture thereof; p2) 10-80 pbw of at least one monomer of formula (I) Image (I), where R1 represents a C3-24 alkyl group; and p3) 0.5-10 pbw of at least one crosslinking monomer with two or more ethylenically unsaturated, radically polymerizable groups; and p4) 0-10 pbw of additional ethylenically unsaturated monomers which are radically copolymerizable with (p1), (p2), and (p3); wherein the sum of the amounts of the monomers (p1), (p2), (p3), and (p4) is 100 pbw.
Post Heinrich
Siol Werner
Roehm Gmbh Chemische Fabrik
Swabey Ogilvy Renault
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