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    • 37. 发明申请
    • Mixtures for producing transparent plastics, transparent plastics, method for producing the same and the use thereof
    • 用于生产透明塑料的混合物,透明塑料,其制备方法及其用途
    • US20070161766A1
    • 2007-07-12
    • US10587257
    • 2005-01-19
    • Bardo SchmittPatrik Hartmann
    • Bardo SchmittPatrik Hartmann
    • C08F28/02
    • C08F228/00
    • The present invention relates to mixtures for preparing transparent plastics, encompassing a) a prepolymer prepared from compounds of the formula (I) and (II)  where each R1, independently of the others, is hydrogen or a methyl radical, each R2, independently of the others, is a linear or branched, aliphatic or cycloaliphatic radical, or a substituted or unsubstituted aromatic or heteroaromatic radical, and each of m and n, independently of the other, is a whole number greater than or equal to 0, where m+n>0, and from compounds of the formula (III), or from alkyl dithiols or from polythiols, preferably HS—R3—SH (III) where R3, identical with or different from R2, can be as defined for R2, and b) at least one monomer (A) capable of free-radical polymerization and having at least 2 methacrylate groups, and c) aromatic vinyl compounds, such as styrene, and d) if appropriate, a monomer capable of free-radical polymerization and having at least two terminal olefinic groups whose reactivity differs, and/or e) if appropriate, at least one monomer (B) from the group of the methacrylates, preferably 2-hydroxyethyl methacrylate.
    • 本发明涉及用于制备透明塑料的混合物,其包括a)由式(I)和(II)的化合物制备的预聚物,其中每个R 1独立地为氢或 甲基,每个R 2独立地为直链或支链的脂族或脂环族基团,或取代或未取代的芳族或杂芳族基团,m和n各自独立地为 另外,是大于或等于0的整数,其中m + n> 0,和式(III)的化合物,或烷基二硫醇或多硫醇,优选HS-R 3 -SH(III)其中R 3与R 2相同或不同,R 2可以如对R 2所定义,b)在 至少一种能够自由基聚合并具有至少2个甲基丙烯酸酯基团的单体(A),和c)芳族乙烯基化合物如苯乙烯,以及d)如果合适,可以进行自由基聚合的单体 nd具有至少两个其反应性不同的末端烯属基团和/或e)如果合适的话,至少一种来自甲基丙烯酸酯基团的单体(B),优选甲基丙烯酸2-羟乙酯。