Polyphenylene ether/polystyrene blends
    1.
    发明授权
    Polyphenylene ether/polystyrene blends 失效
    聚苯醚/聚苯乙烯混合物

    公开(公告)号:US4885339A

    公开(公告)日:1989-12-05

    申请号:US240844

    申请日:1988-09-02

    IPC分类号: C08L71/12

    CPC分类号: C08L71/123 Y10S525/905

    摘要: Blends of polyarylene ether resins and anionically-polymerized monovinylidene aromatic compounds having a molecular weight distribution not greater than 1.8 are characterized by a lowered melt viscosity without significant loss in mechanical properties. The incorporation of elastomeric toughening agents does not significantly negatively affect processability or other properties of the blends.

    摘要翻译: 聚芳醚树脂和分子量分布不大于1.8的阴离子聚合的单亚乙烯基芳族化合物的共混物的特征在于降低的熔融粘度,而机械性能没有显着的损失。 弹性体增韧剂的引入对共混物的加工性能或其它性能没有显着的负面影响。

    Emulsion process for preparation of occluded rubber structure
    3.
    发明授权
    Emulsion process for preparation of occluded rubber structure 失效
    用于制备闭塞橡胶结构的乳液工艺

    公开(公告)号:US4783508A

    公开(公告)日:1988-11-08

    申请号:US019266

    申请日:1987-02-26

    CPC分类号: C08F279/04 C08F279/02

    摘要: An impact resistant thermoplastic polymer comprising highly occluded rubbery particles is prepared by contacting an emulsion of a rubbery polymer with at least one addition polymerizable, graftable monomer under conditions such that the rubber emulsion particles imbibe the monomer, but substantially no monomer polymerization occurs followed by free radically polymerizing the monomer and thereafter repeating steps (a) and (b) at least one more time.

    摘要翻译: 通过使橡胶状聚合物的乳液与至少一种可加成聚合的可接枝单体在使橡胶乳液颗粒吸收单体但基本上不发生单体聚合的条件下接触而制备包含高度封闭的橡胶状颗粒的抗冲击热塑性聚合物, 自由基聚合单体,此后重复步骤(a)和(b)至少一次。

    Rubber-modified resin blends
    4.
    发明授权
    Rubber-modified resin blends 失效
    橡胶改性树脂共混物

    公开(公告)号:US4904730A

    公开(公告)日:1990-02-27

    申请号:US361813

    申请日:1989-05-30

    摘要: An impact resistant polymeric composition and a process for its production. The composition comprises a rigid polymeric matrix comprising an anionically polymerized copolymer of at least one isopropenyl aromatic monomer and at least one vinyl aromatic monomer, said matrix having dispersed therein an elastomeric phase comprising at least one moderately cross-linked ungrafted rubber and at least one moderately cross-linked lightly-grafted rubber, wherein the lightly-grafted rubber has a graft-to-rubber ratio of 0.9:1 or less. The elastomeric phase is melt agglomerated to provide aggregates having particle sizes in the range from 3,000 to 100,000.

    摘要翻译: 耐冲击聚合物组合物及其生产方法。 所述组合物包含刚性聚合物基质,其包含至少一种异丙烯基芳族单体和至少一种乙烯基芳族单体的阴离子聚合的共聚物,所述基质分散有包含至少一种中等交联的未接枝橡胶和至少一种适度的弹性体相 交联的轻质接枝橡胶,其中轻质接枝橡胶的接枝 - 橡胶比为0.9:1或更低。 弹性体相被熔融附聚以提供具有3,000至100,000的粒度的聚集体。

    Maleimide-modified high heat ABS resins
    5.
    发明授权
    Maleimide-modified high heat ABS resins 失效
    马来酰亚胺改性高热ABS树脂

    公开(公告)号:US5446103A

    公开(公告)日:1995-08-29

    申请号:US341717

    申请日:1994-11-18

    CPC分类号: C08F279/02 C08F279/04

    摘要: Graft copolymerized maleimide-modified, impact resistant monovinylidene aromatic copolymer compositions have substantially improved impact strength and fatigue resistance properties when the swelling index thereof is 12 or greater and when the numerical difference in maleimide monomer content as between the grafted copolymer and matrix copolymer portions thereof differ by no more than 9 percentage points from each other. Such compositions are conveniently prepared by mass, solution or mass/suspension graft copolymerization processes and by deferring the addition of at least about 30 percent of the maleimide monomer ingredient to a point in the process after (and preferably only shortly after) phase inversion of the dissolved impact modifying rubbery polymer ingredient.

    摘要翻译: 接枝共聚马来酰亚胺改性的抗冲击单亚乙烯基芳族共聚物组合物当其溶胀指数为12以上时具有显着改善的冲击强度和耐疲劳性能,并且当接枝共聚物与基质共聚物部分之间的马来酰亚胺单体含量的数值差异不同时 相差不超过9个百分点。 这样的组合物通过质量,溶液或质量/悬浮接枝共聚方法方便地制备,并且通过推迟将至少约30%的马来酰亚胺单体成分加入到该方法中的一个点之后(并且优选仅在不久之后) 溶解的冲击改性橡胶状聚合物成分。

    CARBONATE POLYMER BLENDS WITH REDUCED GLOSS
    6.
    发明申请
    CARBONATE POLYMER BLENDS WITH REDUCED GLOSS 审中-公开
    碳酸钙聚合物与减少的GLOSS混合

    公开(公告)号:US20100210778A1

    公开(公告)日:2010-08-19

    申请号:US12679819

    申请日:2008-08-25

    IPC分类号: C08K3/34 C08L23/10 C08L69/00

    摘要: Disclosed is a carbonate polymer blend composition comprising (a) a carbonate polymer, (b) a propylene polymer, (c) a compatibilizing graft copolymer, (d) a polymer selected from a graft modified propylene polymer and/or an alpha-olefin carboxylic acid copolymer, and/or an olefin block copolymer, optionally (e) a filler, (f) optionally a thermoplastic resin other than (a), (b), (c), or (d) and (g) optionally one or more additive selected from stabilizers, pigments, mold release agents, flow enhancers, or antistatic agents. Said carbonate polymer blend composition has a good balance of physical properties, impact resistance, process-ability, and reduced gloss in molded articles.

    摘要翻译: 公开了一种碳酸酯聚合物共混物组合物,其包含(a)碳酸酯聚合物,(b)丙烯聚合物,(c)相容性接枝共聚物,(d)选自接枝改性丙烯聚合物和/或α-烯烃羧酸 酸性共聚物和/或烯烃嵌段共聚物,任选地(e)填料,(f)任选的(a),(b),(c)或(d)和(g) 更多的选自稳定剂,颜料,脱模剂,流动增强剂或抗静电剂的添加剂。 所述碳酸酯聚合物共混物组合物在成型制品中具有良好的物理性能,抗冲击性,加工性能和降低的光泽的平衡。

    Maleimide-modified high heat abs resins
    8.
    发明授权
    Maleimide-modified high heat abs resins 失效
    马来酰亚胺改性高热abs树脂

    公开(公告)号:US5412036A

    公开(公告)日:1995-05-02

    申请号:US127726

    申请日:1993-09-27

    CPC分类号: C08F279/02 C08F279/04

    摘要: Graft copolymerized maleimide-modified, impact resistant monovinylidene aromatic copolymer compositions have substantially improved impact strength and fatigue resistance properties when the swelling index thereof is 12 or greater and when the numerical difference in maleimide monomer content as between the grafted copolymer and matrix copolymer portions thereof differ by no more than 9 percentage points from each other. Such compositions are conveniently prepared by mass, solution or mass/suspension graft copolymerization processes and by deferring the addition of at least about 30 percent of the maleimide monomer ingredient to a point in the process after (and preferably only shortly after) phase inversion of the dissolved impact modifying rubbery polymer ingredient.

    摘要翻译: 接枝共聚马来酰亚胺改性的抗冲击单亚乙烯基芳族共聚物组合物当其溶胀指数为12以上时具有显着改善的冲击强度和耐疲劳性能,并且当接枝共聚物与基质共聚物部分之间的马来酰亚胺单体含量的数值差异不同时 相差不超过9个百分点。 这样的组合物通过质量,溶液或质量/悬浮接枝共聚方法方便地制备,并且通过推迟将至少约30%的马来酰亚胺单体成分加入到该方法中的一个点之后(并且优选仅在不久之后) 溶解的冲击改性橡胶状聚合物成分。