Thermoplastic moulding compositions consisting of a copolymer based on alkyl esters of methacrylic acid and a five-step emulsion graft copolymer

摘要

thermoplastic high, containing essentially $a (a) 20 to 40 wt.% of a copolymerisats, available mainly from $80 to 100 wt.% of at least one c1 - c18 - alkylesters of methacrylic acid and $0 to 20 wt.% of at least one c1 - c18 - alkylesters of acrylic acid, $a and $b (b) 60 b is 80 wt.% of a emulsionspfropfcopolymerisates, built from essentially $a (b1) 2 to 10% by weight.-% of a core, available through polymerization of a monomerengemisches consisting essentially $80 to 99.99 wt.% methyl methacrylate (i), $a 0.01 to 5 wt.% allylmethacrylat (ii) $0 to $19.99% w / w of a monofunktionellen comonomeren (iii) and $(a 0 to 3 wt.% a di - or polyfunk in comonomeren (iv), $a (b2) 15 to 50% by weight.-% of a first shell, a monomerengemisches available by polymerization in the presence of the core (b1) comprising essentially a $60 to 89,99 wt.% of a c1 - c20 - alkylesters of acrylic acid (v) $a 10 to 39.99 wt.% of vinylaromatischen monomers, (vi), 0.01 to 5 wt.% a -% allylmet hacrylat (ii), $a, 0 to 10% by weight.-% methyl methacrylate (i) and / or a monofunktionellen comononeren (iii) and $(a 0 to 3% by weight of a di - or polyfunktionellen comonomeren (iv), $a (b3) 5 to 20 wt.% of a second shell, a monomerengemisches available by polymerization of (b1) said composition the presence of the following stage (b2) obtained polymerisates...