Process for producing modified styrenic polymer beads for high strength
foamed articles
    1.
    发明授权
    Process for producing modified styrenic polymer beads for high strength foamed articles 失效
    用于生产用于高强度泡沫制品的改性苯乙烯聚合物珠粒的方法

    公开(公告)号:US4665103A

    公开(公告)日:1987-05-12

    申请号:US883418

    申请日:1986-07-08

    IPC分类号: C08F257/02 C08J9/18

    摘要: Styrenic polymer beads that are useful in forming foamed cups with improved strength and thermal properties are prepared by forming an aqueous suspension of initial styrenic polymer beads and adding thereto an emulsion of a comonomer solution of styrenic monomer and divinylbenzene, which emulsion also contains free-radical-producing catalysts, and the suspension with added monomers is heated to copolymerize the styrenic monomer and divinylbenzene within and on the initial beads and form modified beads.

    摘要翻译: 可用于形成具有改善的强度和热性能的泡沫杯的苯乙烯聚合物珠粒通过形成初始苯乙烯聚合物珠粒的水性悬浮液并向其中加入苯乙烯单体和二乙烯基苯的共聚单体溶液的乳液来制备,该乳液还含有自由基 加入催化剂的悬浮液,并加入加入的单体的悬浮液,使初始珠粒内和初始珠粒上的苯乙烯单体和二乙烯基苯共聚,形成改性的珠粒。

    Process for producing coated styrenic polymer beads for heat resistant
foams
    2.
    发明授权
    Process for producing coated styrenic polymer beads for heat resistant foams 失效
    生产用于耐热泡沫的涂层苯乙烯聚合物珠粒的方法

    公开(公告)号:US4385156A

    公开(公告)日:1983-05-24

    申请号:US364297

    申请日:1982-04-01

    摘要: Styrenic polymer expandable beads that are useful in forming heat-resistant foamed articles are prepared by forming an aqueous suspension of initial styrenic polymer beads and adding thereto a portion of a comonomer solution of styrenic monomer and methacrylic acid, which solution also contains a polymerization regulator, forming an emulsion of catalyst, monomer solution and polyvinyl alcohol suspending agent, adding portions of the emulsion to the suspension and then adding the remainder of the comonomer solution to the suspension, and the suspension with added monomers is heated to copolymerize the styrenic monomer and methacrylic acid about the initial beads and form a coating about the beads.

    摘要翻译: 可用于形成耐热泡沫制品的苯乙烯聚合物可发泡珠粒通过形成初始苯乙烯聚合物珠粒的水悬浮液并加入其中一部分苯乙烯单体和甲基丙烯酸的共聚单体溶液来制备,该溶液还含有聚合调节剂, 形成催化剂,单体溶液和聚乙烯醇悬浮剂的乳液,将一部分乳液加入到悬浮液中,然后将剩余的共聚单体溶液加入到悬浮液中,加入加入的单体的悬浮液以共聚苯乙烯单体和甲基丙烯酸 酸围绕初始珠并围绕珠形成涂层。

    Fire-retardant anhydride copolymers
    3.
    发明授权
    Fire-retardant anhydride copolymers 失效
    阻燃酸酐共聚物

    公开(公告)号:US4304874A

    公开(公告)日:1981-12-08

    申请号:US147034

    申请日:1980-05-06

    摘要: Copolymers of monovinyl aromatic monomers and the anhydrides of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said composition having fire retardant properties.

    摘要翻译: 将单乙烯基芳族单体和烯键式不饱和二羧酸单体的酸酐的共聚物与作为发泡剂的水共混,作为阻燃剂的溴二苯醚和作为醚的增效剂的金属氧化物,形成可以发泡至1〜 10磅/立方英尺,所述组合物具有阻燃性能。

    Rubber-modified fire-retardant imide copolymers
    4.
    发明授权
    Rubber-modified fire-retardant imide copolymers 失效
    橡胶改性阻燃酰亚胺共聚物

    公开(公告)号:US4298705A

    公开(公告)日:1981-11-03

    申请号:US214893

    申请日:1980-12-08

    IPC分类号: C08J9/00

    摘要: Rubber-modified copolymers of monovinyl aromatic, monomers and imide derivatives of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.

    摘要翻译: 将烯键式不饱和二羧酸单体的单乙烯基芳族化合物,单体和酰亚胺衍生物的橡胶改性的共聚物与作为发泡剂的水,作为阻燃剂的溴二苯醚和作为醚的增效剂的金属氧化物混合形成可以发泡至密度的组合物 为1至10磅/立方英尺,所述泡沫组合物具有阻燃性能。

    Fire-retardant imide copolymers
    5.
    发明授权
    Fire-retardant imide copolymers 失效
    阻燃酰亚胺共聚物

    公开(公告)号:US4266037A

    公开(公告)日:1981-05-05

    申请号:US147664

    申请日:1980-05-07

    摘要: Copolymers of monovinyl aromatic monomers and imide derivatives of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said composition having fire retardant properties.

    摘要翻译: 将乙烯基芳族单体和烯键式不饱和二羧酸单体的酰亚胺衍生物的共聚物作为发泡剂与水混合,作为阻燃剂的溴二苯醚和作为醚的增效剂的金属氧化物,形成可以发泡至1〜 10磅/立方英尺,所述组合物具有阻燃性能。

    Higher molecular weight thermoplastics having multimodal molecular
weight distribution
    6.
    发明授权
    Higher molecular weight thermoplastics having multimodal molecular weight distribution 失效
    具有多峰分子量分布的高分子量热塑性塑料

    公开(公告)号:US4673694A

    公开(公告)日:1987-06-16

    申请号:US914893

    申请日:1986-10-03

    IPC分类号: C08F257/02 C08J9/18

    CPC分类号: C08F257/02

    摘要: Thermoplastic particles are suspended in water or other suspending fluids with a suspending aid(s) to prevent agglomeration of the beads, pellets or particles. To this suspension is added monomer(s) containing a multifunctional initiator(s). The monomer and initiator(s) are preemulsified in water or other fluid(s) before the addition in order to improve distribution of the monomer(s) and initiator(s) in or on the particles. After or during the addition(s), the suspension temperature is raised to cause polymerization. The procedures may be repeated to increase the coating or penetrated polymer content. New compositions of matter are made by this technique wherein the new compositions are plastic resins either coated or penetrated, or both, with a thermoplastic(s) of very high molecular weight not obtainable by present, commercial polymerization techniques. The compositions are superior to the feed resins because of the enhancement of physical properties brought about by the high molecular weights phase(s). This enhancement would be extended to foams made from these new resins.

    摘要翻译: 热塑性颗粒悬浮在具有悬浮助剂的水或其它悬浮液中,以防止珠,颗粒或颗粒的团聚。 向该悬浮液中加入含有多官能引发剂的单体。 单体和引发剂在加入之前在水或其它流体中预乳化,以改善颗粒中或颗粒上的单体和引发剂的分布。 在添加或加入之后,悬浮液温度升高以引起聚合。 可以重复这些步骤以增加涂层或渗透的聚合物含量。 通过这种技术制备新的物质组合物,其中新组合物是通过现有的商业聚合技术获得的具有非常高分子量的热塑性塑料的涂覆或渗透的塑料树脂或两者。 由于高分子量相的物理性能的提高,组合物优于进料树脂。 这种增强将扩展到由这些新树脂制成的泡沫。

    Fast-cool vinyl aromatic expandable polymers
    8.
    发明授权
    Fast-cool vinyl aromatic expandable polymers 失效
    快速冷却乙烯基芳族聚合物

    公开(公告)号:US4430449A

    公开(公告)日:1984-02-07

    申请号:US494828

    申请日:1983-05-16

    IPC分类号: C08F287/00 C08J9/00 C08J9/18

    摘要: Expandable vinyl aromatic polymers are produced, which exhibit fast-cool properties upon formation of foamed articles therefrom, by polymerizing a vinyl aromatic monomer, in which is dissolved 1.0-10.0 percent, based on the monomer, of a thermoplastic, branched, block copolymer of 55-95 percent of polymerized vinyl aromatic monomer and 5-45 percent conjugated diene, the polymerization forming vinyl aromatic polymer containing the thermoplastic, branched, block copolymer, and impregnating the polymer so produced, with a blowing agent.

    摘要翻译: 制备可膨胀的乙烯基芳族聚合物,其通过聚合乙烯基芳族单体表现出快速冷却性能,其中基于单体溶解1.0-10.0%的乙烯基芳族单体,热塑性支链嵌段共聚物 聚合乙烯基芳族单体和5-45%共轭二烯的55-95%,聚合形成含有热塑性支链嵌段共聚物的乙烯基芳族聚合物,并用发泡剂浸渍如此生产的聚合物。

    Fire-retardant monocarboxylic acid copolymers
    9.
    发明授权
    Fire-retardant monocarboxylic acid copolymers 失效
    阻燃一元羧酸共聚物

    公开(公告)号:US4326044A

    公开(公告)日:1982-04-20

    申请号:US235261

    申请日:1981-02-17

    摘要: Copolymers of monovinyl aromatic monomers and ethylenically unsaturated monocarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.

    摘要翻译: 将单乙烯基芳族单体和烯键式不饱和单羧酸单体的共聚物与作为发泡剂的水共混,作为阻燃剂的溴二苯醚和作为醚的增效剂的金属氧化物形成可以发泡至1至10磅/ 所述泡沫组合物具有阻燃性能。