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    • 2. 发明授权
    • Reinforced thermoplastic molding materials based on polyphenylene ether
    • 基于聚苯醚的增强热塑性成型材料
    • US4948832A
    • 1990-08-14
    • US281755
    • 1988-12-09
    • Bertram OstermayerEhrenfried BaumgartnerRainer BueschlHermann BrandtKlaus BoehlkeErhard SeilerGraham E. McKee
    • Bertram OstermayerEhrenfried BaumgartnerRainer BueschlHermann BrandtKlaus BoehlkeErhard SeilerGraham E. McKee
    • C08L51/04C08L71/12C08L77/00
    • C08L51/04C08L71/123C08L77/00
    • Reinforced thermoplastic molding materials containing, as essential components,(A) from 40 to 94 parts by weight of a polymer component of(a.sub.1) from 10 to 90% by weight of polyphenylene ether and(a.sub.2) from 10 to 90% by weight, based in each case on A, of a styrene polymer toughened with an acrylate rubber or with an unhydrogenated or hydrogenated polymer of a conjugated diene,(B) from 1 to 20 parts by weight of a copolymer of(b.sub.1) from 70 to 99.9% by weight of a monomer from the group consisting of styrene, .alpha.-methylstyrene and styrene alkylated in the nucleus or a mixture of these monomers,(b.sub.2) from 0.1 to 30% by weight of one or more compounds from the group consisting of tert-butyl acrylate and tert-butyl methacrylate, or one or more compounds from the group of compounds of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl and R.sup.2, R.sup.3 and R.sup.4 are each an alkyl or alkoxy group of not more than 4 carbon atoms, or of the general formula II ##STR2## where n is an integer from 1 to 4 and R.sup.5, R.sup.6 and R.sup.7 are each one of the radicals stated for R.sup.2 or are each --O(CH.sub.2 --CH.sub.2 --O).sub.m R.sup.8, where R.sup.8 is C.sub.1 -C.sub.4 -alkyl and m is 1, 2, 3 or 4, and(b.sub.3) from 0 to 10% by weight, based on the copolymer, of a further ethylenically unsaturated monomer which is copolymerizable with b.sub.1 and b.sub.2, and(C) from 5 to 50 parts by weight of a reinforcing agent, the number of parts by weight being based on 100 parts by weight of the sum of A, B and C,are prepared and used for the production of moldings.
    • 作为必要成分的增强热塑性成型材料含有(A)40〜94重量份聚合物成分(a1),10〜90重量%聚苯醚和(a2)10〜90重量% 基于A的每种情况,使用丙烯酸酯橡胶或共轭二烯的未氢化或氢化的聚合物增韧的苯乙烯聚合物,(B)1至20重量份的(b1)70至99.9重量%的共聚物, 重量的来自于在核中烷基化的苯乙烯,α-甲基苯乙烯和苯乙烯的单体或这些单体的混合物,(b2)0.1-30%(重量)一种或多种下列化合物:叔 - 丙烯酸丁酯和甲基丙烯酸叔丁酯,或一种或多种通式Ⅰ化合物的化合物,其中R1是氢或甲基,R2,R3和R4分别是烷基或烷氧基不大于 4个碳原子,或通式II其中n是一个整数 1至4的取代基和R 5,R 6和R 7各自为R 2所示的基团之一或分别为-O(CH 2 -CH 2 -O)m R 8,其中R 8为C 1 -C 4 - 烷基且m为1,2,3 或(4)和(b3)0〜10重量%,基于共聚物,可与b1和b2共聚的另外的烯属不饱和单体和(C)5〜50重量份的增强剂, 制备基于100重量份的A,B和C之和的重量份数,并用于制造模制品。
    • 6. 发明授权
    • Halogen-free flameproof molding materials
    • 无卤阻燃成型材料
    • US4914144A
    • 1990-04-03
    • US285662
    • 1988-12-16
    • Klaus MuehlbachGraham E. McKeeHermann BrandiDieter W. Blum
    • Klaus MuehlbachGraham E. McKeeHermann BrandiDieter W. Blum
    • C08K5/51C08L69/00
    • C08K5/51C08L69/00
    • A flameproof, halogen-free thermoplastic molding material contains, based on the molding material consisting of A, B, C, D and E,(A) 40 to 95% by weight of a thermoplastic halogen-free aromatic polycarbonate based on a diphenol,(B) from 5 to 30% by weight of one or more halogen-free graft polymers obtained from, based on B,(b.sub.1) an elastomer (rubber), which accounts for from 40 to 80% by weight, and(b.sub.2) a graft shell on this elastomer which accounts for from 20 to 60% by weight,(C) from 5 to 50% by weight of one or more halogen-free thermoplastic copolymers consisting of, based on C, from 50 to 95% by weight of styrene, .alpha.-methylstyrene, styrene which is substituted in the nucleus, methyl methacrylate or a mixture of these, and from 50 to 5% by weight of (meth)acrylonitrile, methyl methacrylate, maleic anhydride, N-substituted maleimide or a mixture of these,(D) 1 to 25% by weight of one or more halogen-free phosphorus compounds of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 independently of one another are each halogen-free C.sub.1 -C.sub.8 -alkyl or halogen-free C.sub.6 -C.sub.20 -aryl and n is 0 or 1, and(E) from 0.05 to 5% by weight of a tetrafluoroethylene polymer. In the molding material, the elastomer (b.sub.1) is prepared by polymerizing a monomer mixture of (b.sub.1 a.sub.1) from70 to 99.9% by weight, based on b.sub.1), of one or more alkyl acrylates where alkyl is of 1 to 8 carbon atoms,(b.sub.1 a.sub.2) from 0 to 30% by weight, based on (b.sub.1), of one or more further copolymerizable monoethylenically unsaturated monomersand b.sub.1 a.sub.3) from 0.1 to 5% by weight, based on B.sub.1), of a copolymerizable polyfunctional, crosslinking monomer.The molding material is used for the production of shaped articles.
    • 一种防火无卤素热塑性成型材料基于由A,B,C,D和E组成的成型材料,(A)40至95重量%的基于二酚的热塑性无卤芳族聚碳酸酯, (B)5至30重量%的一种或多种无卤接枝聚合物,其基于B,(b1)弹性体(橡胶)(其占40至80重量%)和(b2) 在该弹性体上的接枝壳,其占20至60重量%,(C)5至50重量%的一种或多种无卤素热塑性共聚物,其基于C,基于C,50至95重量% 苯乙烯,α-甲基苯乙烯,在核中被取代的苯乙烯,甲基丙烯酸甲酯或它们的混合物,和50-5重量%的(甲基)丙烯腈,甲基丙烯酸甲酯,马来酸酐,N-取代的马来酰亚胺或混合物 的(D)1至25重量%的一种或多种下式的无卤素磷化合物(I)其中R1,R2和R3i 各自独立地为无卤素的C 1 -C 8 - 烷基或无卤素的C 6 -C 20 - 芳基,n为0或1,(E)为0.05至5重量%的四氟乙烯聚合物。 在成型材料中,弹性体(b1)是通过使一种或多种烷基丙烯酸烷基酯(其中烷基为1至8个碳原子的烷基)的(b1a1)单体混合物(基于b1)以70-99.9重量% (b1a2)为0〜30重量%,基于(b1),一种或多种另外的可共聚单烯属不饱和单体和b1a3)0.1〜5重量%,基于B1),可共聚的多官能交联单体。 成型材料用于成型制品的生产。