Flame retardant polypropylene molding compositions
    1.
    发明授权
    Flame retardant polypropylene molding compositions 失效
    阻燃聚丙烯模塑组合物

    公开(公告)号:US5124404A

    公开(公告)日:1992-06-23

    申请号:US570406

    申请日:1990-08-21

    CPC分类号: C08F255/02 C08L51/06

    摘要: Described are polypropylene molding compositions which have surprisingly good physical properties in combination with flame retardancy, which include copolymers represented by the formula: ##STR1## wherein n is >1, P is isotactic or syndiotactic polypropylene, and S is a grafted side chain having brominated monomeric units of the formula: ##STR2## wherein x=1 to 4, R.sub.1 is H or CH.sub.3, and R.sub.2 is H or a C.sub.1-4 lower alkyl group. Polymer blends including such graft copolymers and methods for making such flame retardant polymer compositions are also described.

    摘要翻译: 描述了具有令人惊奇的良好物理性能与阻燃性相结合的聚丙烯模塑组合物,其包括由下式表示的共聚物:其中n≥1,P是全同立构或间同立构聚丙烯,S是具有溴化的接枝侧链 下式的单体单元:其中x = 1-4,R1为H或CH3,R2为H或C1-4低级烷基。 还描述了包括这种接枝共聚物的聚合物共混物和制备这种阻燃聚合物组合物的方法。

    Fire retardant polyolefin fibers and fabrics
    2.
    发明授权
    Fire retardant polyolefin fibers and fabrics 失效
    阻燃聚烯烃纤维和织物

    公开(公告)号:US5380802A

    公开(公告)日:1995-01-10

    申请号:US987608

    申请日:1992-12-09

    摘要: A flame-retarded polyolefin fiber made of a thermoplastic polyolefin and a graft copolymer composition represented by tile formula: ##STR1## in which PP is polypropylene, and S represents grafted side chains having halogenated monomeric units of the formula: ##STR2## wherein x=1 to 4, R.sub.8 is H or CH.sub.3, R.sub.9 is H or a C.sub.1-4 alkyl group, and R.sub.10 is Br or Cl. In an alternate embodiment the flame-retarded polyolefin fiber further includes a halogenated bisphenol derivative represented by the formula: ##STR3## in which R.sub.1 to R.sub.4 are H, CH.sub.3 or a halogen, R.sub.5 is H, dihaloethyl, dihalopropyl or dihalobutyl, and A is a single bond, O, CO, S, SO.sub.2 or C(R.sub.6)(R.sub.7), where R.sub.6 and R.sub.7 are H or a C.sub.1-4 alkyl.

    摘要翻译: 由热塑性聚烯烃制成的阻燃聚烯烃纤维和由其中PP为聚丙烯的瓦片式:其中X代表具有下式卤化单体单元的接枝侧链的接枝共聚物组合物,其中x = 1至4,R8为H或CH3,R9为H或C1-4烷基,R10为Br或Cl。 在另一个实施方案中,阻燃聚烯烃纤维还包括由下式表示的卤代双酚衍生物:其中R 1至R 4为H,CH 3或卤素,R 5为H,二卤代乙基,二卤代丙基或二卤代丁基,A为 单键,O,CO,S,SO 2或C(R 6)(R 7),其中R 6和R 7是H或C 1-4烷基。

    Flame retardant graft copolymers of polypropylene
    5.
    发明授权
    Flame retardant graft copolymers of polypropylene 失效
    聚丙烯阻燃剂共聚物

    公开(公告)号:US5077337A

    公开(公告)日:1991-12-31

    申请号:US483132

    申请日:1990-02-22

    IPC分类号: C08F255/02 C08L51/06

    CPC分类号: C08F255/02

    摘要: Described are polypropylene polymer compositions which have suprisingly good physical properties in combination with flame retardancy, which include graft copolymers represented by the formula: ##STR1## wherein n is >1, P is polypropylene, and S is a grafted side chain having brominated monomeric units of the formula: ##STR2## wherein x=1 to 4, R.sub.1 is H or CH.sub.3, and R.sub.2 is H or a C.sub.1-4 lower alkyl group. Polymer blends including such graft copolymers and methods for making flame retardant polymer compositions are also described.

    摘要翻译: 描述的是聚丙烯聚合物组合物,具有与阻燃性相结合的极好的物理性能,其包括由下式表示的接枝共聚物:其中n≥1,P是聚丙烯,S是具有溴化单体单元的接枝侧链 其中x = 1至4,R 1为H或CH 3,且R 2为H或C 1-4低级烷基。 还描述了包括这种接枝共聚物的聚合物共混物和制备阻燃聚合物组合物的方法。

    Flame retardant additive composition useful with polyolefins
    8.
    发明授权
    Flame retardant additive composition useful with polyolefins 失效
    与聚烯烃有用的阻燃添加剂组合物

    公开(公告)号:US5216059A

    公开(公告)日:1993-06-01

    申请号:US867991

    申请日:1992-04-13

    CPC分类号: C08K5/06

    摘要: A flame retarding additive composition, useful in thermoplastic polyolefins, is disclosed comprising a mixture of a halogenated bisphenol derivative and the copolymer of a halogenated vinyl aromatic grafted onto polyolefin. The preferred bisphenol derivative is tetrabromobisphenol A bis(dibromopropyl ether), and the preferred graft copolymer comprises bromostyrene grafted onto isotactic or syndiotactic polypropylene. Also disclosed are the flame retarded, thermoplastic polyolefins prepared using the foregoing additive compositions.

    摘要翻译: 公开了一种可用于热塑性聚烯烃的阻燃添加剂组合物,其包含卤化双酚衍生物和接枝到聚烯烃上的卤化乙烯基芳族化合物的共聚物的混合物。 优选的双酚衍生物是四溴双酚A双(二溴丙醚),优选的接枝共聚物包括接枝到全同立构或间同立构聚丙烯上的溴苯乙烯。 还公开了使用前述添加剂组合物制备的阻燃热塑性聚烯烃。

    Method and apparatus for producing decabromodiphenyl alkanes
    10.
    发明授权
    Method and apparatus for producing decabromodiphenyl alkanes 有权
    生产十溴二苯基烷烃的方法和装置

    公开(公告)号:US06841707B2

    公开(公告)日:2005-01-11

    申请号:US10323012

    申请日:2002-12-18

    摘要: A method of producing decabromodiphenyl alkanes includes the steps of charging a reaction vessel with bromine and a bromination catalyst and introducing a diphenyl alkane into the vessel at a location above the level of the charge bromine and catalyst. A dip tube apparatus for introducing the diphenyl alkane includes an inner tube and an outer tube, each of which are disposed above the surface of the bromine reaction vessel. The inner tube is fitted with a plug having an opening. Diphenyl alkane flows through the inner tube, out the opening in the plug, and into the reactor. The outer tube is disposed around and along the inner tube. Reaction mass from the vessel is recirculated from the vessel, through the outer tube and back to the vessel so as to form a curtain of reaction mass around the stream of diphenyl alkane being simultaneously fed into the reaction vessel.

    摘要翻译: 制备十溴二苯基烷烃的方法包括以下步骤:用溴和溴化催化剂装入反应容器,并在高于电荷溴和催化剂水平的位置将二苯基烷烃引入容器中。 用于引入二苯基烷烃的浸渍管装置包括内管和外管,每个都设置在溴反应容器的表面上方。 内管装有具有开口的插头。 二苯基烷烃流经内管,从塞子的开口流出并进入反应器。 外管围绕并沿着内管设置。 来自容器的反应物质从容器再循环通过外管并返回到容器中,以便在同时进料到反应容器中的二苯基烷烃流周围形成反应物料的帘幕。