Polyphenylene sulfide resin composition and molded article

    公开(公告)号:US11174388B2

    公开(公告)日:2021-11-16

    申请号:US16473322

    申请日:2018-02-15

    Abstract: A polyphenylene sulfide resin composition exhibits excellent initial toughness and toughness after a long-term high temperature treatment typified by a tensile elongation at break after a dry heat treatment without impairing mechanical strength, chemical resistance and electrical insulation properties. The polyphenylene sulfide resin composition includes 0.01 to 10 parts by weight of an organosilane compound and 0.01 to 5 parts by weight of a metal salt of phosphorus oxoacid based on 100 parts by weight of a polyphenylene sulfide resin, and a tensile elongation at break, which is measured in accordance with ASTM-D638 under the conditions of a tensile speed of 10 mm/min and an ambient temperature of 23° C. after treating at 200° C. for 500 hours using an ASTM No. 4 dumbbell test piece obtained by injection molding the composition, is 10% or more.

    Polyphenylene sulfide resin composition and hollow forming products using the same

    公开(公告)号:US10577501B2

    公开(公告)日:2020-03-03

    申请号:US16310318

    申请日:2017-06-23

    Abstract: A polyphenylene sulfide resin composition includes a polyphenylene sulfide resin (A), an amino group-containing compound (B), an epoxy group-containing elastomer (C), wherein the polyphenylene sulfide resin (A) forms a continuous phase and the amino group-containing compound (B) and the epoxy group-containing elastomer (C) form a dispersed phase in the morphology of a forming product composed of the resin composition observed with a transmission electron microscope, and the modulus of elongation (the elastic modulus determined by performing a tensile test on an ASTM type 1 dumbbell test piece obtained by injection molding at a cylinder temperature of 300° C. and at a mold temperature of 150° C., under the conditions in which the distance between chucks is 114 mm, the test piece distance is 100 mm, and the elongation rate is 10 mm/min) of the resin composition is 1.0 MPa or more and 1000 MPa or less.

    POLYPHENYLENE SULFIDE RESIN COMPOSITION AND MOLDED PRODUCT FORMED FROM SAME

    公开(公告)号:US20240166875A1

    公开(公告)日:2024-05-23

    申请号:US18283672

    申请日:2022-03-15

    Abstract: A polyphenylene sulfide resin composition includes (a) a polyphenylene sulfide resin and (b) a silicone-based polymer; the content of the component (b) is not less than 3 parts by weight and not more than 40 parts by weight with respect to 100 parts by weight of the component (a); in terms of morphology (phase structure), the polyphenylene sulfide resin composition has a phase-separated structure wherein the component (a) forms a continuous phase and the component (b) forms a dispersed phase in which the component (b) is dispersed with a number average dispersion diameter of not more than 3.0 μm; a test specimen obtained by injection molding of the polyphenylene sulfide resin composition at a cylinder temperature of 310° C. and a mold temperature of 145° C. has a flexural modulus of not more than 3.0 GPa as determined by a flexural test according to ISO 178.

    POLYPHENYLENE SULFIDE RESIN COMPOSITION AND HOLLOW FORMING PRODUCTS USING THE SAME

    公开(公告)号:US20190330470A1

    公开(公告)日:2019-10-31

    申请号:US16310318

    申请日:2017-06-23

    Abstract: A polyphenylene sulfide resin composition includes a polyphenylene sulfide resin (A), an amino group-containing compound (B), an epoxy group-containing elastomer (C), wherein the polyphenylene sulfide resin (A) forms a continuous phase and the amino group-containing compound (B) and the epoxy group-containing elastomer (C) form a dispersed phase in the morphology of a forming product composed of the resin composition observed with a transmission electron microscope, and the modulus of elongation (the elastic modulus determined by performing a tensile test on an ASTM type 1 dumbbell test piece obtained by injection molding at a cylinder temperature of 300° C. and at a mold temperature of 150° C., under the conditions in which the distance between chucks is 114 mm, the test piece distance is 100 mm, and the elongation rate is 10 mm/min) of the resin composition is 1.0 MPa or more and 1000 MPa or less.

    POLYPHENYLENE SULFIDE RESIN COMPOSITION, PRODUCTION METHOD OF THE SAME AND MOLDED PRODUCT (AS AMENDED)
    8.
    发明申请
    POLYPHENYLENE SULFIDE RESIN COMPOSITION, PRODUCTION METHOD OF THE SAME AND MOLDED PRODUCT (AS AMENDED) 有权
    聚苯乙烯树脂组合物,其生产方法和模制产品(如修订)

    公开(公告)号:US20150361265A1

    公开(公告)日:2015-12-17

    申请号:US14761777

    申请日:2014-01-21

    Abstract: The invention provides a PPS resin composition having excellent heat resistance and excellent electrical properties without damaging excellent physical properties including mechanical properties and low gas generation which PPS intrinsically has. There is provided a resin composition comprising (a) a polyphenylene sulfide resin and (b) one or more copolymers selected among a tetrafluoroethylene/hexafluoropropylene copolymer, an ethylene/tetrafluoroethylene copolymer and a tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer. In the resin composition, (a) the polyphenylene sulfide resin forms a continuous phase, (b) one copolymer selected among the above components forms primary dispersed phases, and the primary dispersed phase includes secondary dispersed phases formed by a component different from the component of the primary dispersed phase.

    Abstract translation: 本发明提供一种PPS树脂组合物,其具有优异的耐热性和优异的电性能,而不损害PPS本身具有的机械性能和低气体产生的优异物理性能。 提供了包含(a)聚苯硫醚树脂和(b)一种或多种选自四氟乙烯/六氟丙烯共聚物,乙烯/四氟乙烯共聚物和四氟乙烯/全氟(烷基乙烯基醚)共聚物的共聚物的树脂组合物。 在树脂组合物中,(a)聚苯硫醚树脂形成连续相,(b)从上述成分中选出的一种共聚物形成一次分散相,一次分散相包含由不同于 初级分散相。

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