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专利名称：Heat distortion resistant, thermoplastic
molding material containing a copolymer,preparation of the molding material and itsuse
发明人：Ehrenfried Baumgartner,Adolf Echte,Juergen
Mertes
申请号：US07/5276申请日：19900928公开号：US05116907A公开日：19920526
摘要：A molding material is described which contains, in each based on the sum of A, Band C,
A. from 5 to 95, in particular from 20 to 80, % by weight of a copolymer comprising
a) from 1 to 95% by weight of styrene,
b) not more than 40% by weight of acrylonitrile and
c) from 5 to 98% by weight of an amide of methacrylic acid of the formula I ##STR1##where R is primary, secondary or tertiary alkyl, cycloalkyl, aryl or aralkyl of 1 or 6 or 7,respectively, to 12 carbon atoms, with the proviso that, when alkyl is methyl or isopropyl,the copolymer has a styrene content of less than 75% by weight,
B. from 5 to 60, in particular from 10 to 40, % by weight of a graft polymer B,prepared by emulsion polymerization of a mixture of styrene and acrylonitrile in theweight ratio from 60:40 to 90:10 in the presence of, based on the amount of expected
copolymer, from 40 to 80, in particular from 50 to 70, % by weight of a conventionalparticulate, partially crosslinked diene rubber or acrylate rubber, and
C. Not more than 90, in particular from 10 to 40, % by weight of a furtherthermoplastic resin C.
申请人：BASF AKTIENGESELLSCHAFT
代理机构：Oblon, Spivak, McClelland, Maier & Neustadt
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