CURABLE COMPOSITION, CURED PRODUCT, PREPREG AND FIBER-REINFORCED MOLDED PRODUCT

    公开(公告)号:US20180298155A1

    公开(公告)日:2018-10-18

    申请号:US15997191

    申请日:2018-06-04

    Abstract: To provide a curable composition capable of obtaining a cured product excellent in outer appearance and abrasion resistance; a cured product excellent in outer appearance and abrasion resistance; a prepreg capable of obtaining a fiber-reinforced molded product excellent in outer appearance and abrasion resistance; and a fiber-reinforced molded product excellent in outer appearance and abrasion resistance. The curable composition comprises a thermosetting resin, a fluororesin powder and a curing agent, wherein the fluororesin powder is made of a resin material containing a melt-moldable fluororesin having a melting point of from 100 to 325° C. and having functional groups of at least one type selected from the group consisting of carbonyl group-containing groups, hydroxy groups, epoxy groups and isocyanate groups, and in 100 mass % of the total of the thermosetting resin and the fluororesin powder, the proportion of the thermosetting resin is from 70.0 to 99.9 mass % and the proportion of the fluororesin powder is from 0.1 to 30 mass %.

    FLUORORESIN COMPOSITION AND METHOD FOR ITS PRODUCTION, AS WELL AS MOLDED PRODUCT, FOAMED MOLDED PRODUCT AND COVERED ELECTRIC WIRE

    公开(公告)号:US20170101529A1

    公开(公告)日:2017-04-13

    申请号:US15382224

    申请日:2016-12-16

    Abstract: To provide a fluororesin composition excellent in elongation deformability and excellent in mechanical strength of its molded product. The fluororesin composition comprises: a copolymer (A) comprising units derived from a monomer (a), units derived from a monomer (b) and units derived from a monomer (c); and a copolymer (B) comprising units derived from the monomer (a) and units derived from the monomer (b) but containing substantially no units derived from the monomer (c). In the copolymer (A), the molar ratio of units derived from the monomer (a) to units derived from the monomer (b) is from 20/80 to 80/20; the proportion of units derived from the monomer (c) to all units is from 0.2 to 3 mol %; MFR is at most 0.5 dg/min; the proportion of the copolymer (A) to the total of the copolymer (A) and the copolymer (B) is from 4 to 30 mass %; and fish eyes are present in an amount of less than 200 fish eyes per square meter. Monomer (a): tetrafluoroethylene; Monomer (b): ethylene; Monomer (c): a monomer containing two or more polymerizable carbon-carbon double bond.

    INSULATED ELECTRIC WIRE AND ITS PRODUCTION PROCESS

    公开(公告)号:US20170154707A1

    公开(公告)日:2017-06-01

    申请号:US15429448

    申请日:2017-02-10

    Abstract: To provide an insulated electric wire having an insulating layer comprising PFA, which is excellent in the abrasion resistance without increasing the thickness of the insulating layer. An insulated electric wire comprising a conductor and an insulating layer covering the conductor, wherein the insulating layer comprises a fluorinated copolymer (A) having units based on tetrafluoroethylene and units based on a perfluoroalkyl vinyl ether, the content of the units based on a perfluoroalkyl vinyl ether is from 0.1 to 1.9 mol % to the total units in the fluorinated copolymer (A); MRF of the fluorinated copolymer (A) as measured by the method in accordance with ASTM D-3307 is at least 0.1 and less than 15; the melting point of the fluorinated copolymer (A) is at least 260° C.; and the ratio of the thickness Di of the insulating layer to the diameter Dc of the conductor (Di/Dc) is less than 0.5.

    PROCESS FOR PRODUCING FLUORINATED COPOLYMER COMPOSITION AND FLUORORESIN MOLDED PRODUCT
    4.
    发明申请
    PROCESS FOR PRODUCING FLUORINATED COPOLYMER COMPOSITION AND FLUORORESIN MOLDED PRODUCT 审中-公开
    生产氟化共聚物组合物和氟菊酯成型产品的方法

    公开(公告)号:US20130041109A1

    公开(公告)日:2013-02-14

    申请号:US13652901

    申请日:2012-10-16

    Abstract: To provide a process for producing an ethylene/tetrafluoroethylene copolymer composition which is excellent in mechanical properties of the molded product and which has good moldability. A process for producing a fluorinated copolymer composition, which comprises heating a mixture comprising ethylene/tetrafluoroethylene copolymers having extremely different viscosities and a solvent capable of dissolving the ethylene/tetrafluoroethylene copolymers at a temperature not higher than the melting points of the ethylene/tetrafluoroethylene copolymers, to at least a temperature where the ethylene/tetrafluoroethylene copolymers are dissolved in the solvent to obtain a solution state; and removing the solvent.

    Abstract translation: 提供一种制备模塑制品的机械性能优异且成型性好的乙烯/四氟乙烯共聚物组合物的方法。 一种含氟共聚物组合物的制备方法,其包括在不高于乙烯/四氟乙烯共聚物的熔点的温度下加热含有极不相同粘度的乙烯/四氟乙烯共聚物和能够溶解乙烯/四氟乙烯共聚物的溶剂的混合物, 至少将乙烯/四氟乙烯共聚物溶解在溶剂中以获得溶液状态的温度; 并除去溶剂。

    Fluorinated resin composition
    5.
    发明授权

    公开(公告)号:US10087321B2

    公开(公告)日:2018-10-02

    申请号:US15354605

    申请日:2016-11-17

    Abstract: A fluorinated resin composition includes a copolymer (A); and a copolymer (B). A mass ratio (A/B) of the copolymer (A) to the copolymer (B) is from 60/40 to 99/1, and a volume flow rate is from 0.5 to 100 mm3/sec. The copolymer (A) comprises: units derived from a monomer (a) which is tetrafluoroethylene; units derived from a monomer (b) which is at least one member selected from ethylene, hexafluoropropylene and a perfluoro(alkyl vinyl ether). The copolymer (A) has carbonyl groups. The copolymer (B) comprises: units derived from the monomer (a); units derived from the monomer (b); and units derived from the monomer (c) having two or more polymerizable carbon-carbon double bonds. A content of the units derived from the monomer (c) is from 0.1 to 2 mol % based on total units in the copolymer (B).

    COVERING MATERIAL FOR HEAT RESISTANT ELECTRIC WIRE, ITS PRODUCTION METHOD, AND ELECTRIC WIRE
    7.
    发明申请
    COVERING MATERIAL FOR HEAT RESISTANT ELECTRIC WIRE, ITS PRODUCTION METHOD, AND ELECTRIC WIRE 审中-公开
    耐热电线覆盖材料及其生产方法和电线

    公开(公告)号:US20160068670A1

    公开(公告)日:2016-03-10

    申请号:US14944592

    申请日:2015-11-18

    Abstract: To provide a covering material for a heat resistant electric wire, which can cover a core wire without breakage from a weld line and which is excellent in the stress crack resistance at high temperature.A covering material for a heat resistant electric wire, which comprises a fluorinated copolymer composition containing a melt-moldable fluorinated copolymer (A) and a non-fluorinated thermoplastic resin (B1) in a volume ratio of (A)/(B1)=99/1 to 60/40, wherein the non-fluorinated thermoplastic resin (B1) is contained in the fluorinated copolymer composition in the form of fine particles having an average dispersed particle size of at most 8 μm, and the fluorinated copolymer composition has a storage elastic modulus of at least 90 MPa by dynamic viscoelasticity measurement at 200° C. Instead of the non-fluorinated thermoplastic resin (B1), a non-fluorinated resin (B2) having no melting point at 450° C. or below may be contained in the form of fine particles having an average dispersed particle size of at most 8 μm.

    Abstract translation: 提供一种耐热电线的覆盖材料,其可以覆盖芯线而不会从熔接线断裂,并且在高温下的耐应力开裂性优异。 一种耐热电线用覆盖材料,其特征在于,包含含有可熔融成型的含氟共聚物(A)和非氟化热塑性树脂(B1)的体积比为(A)/(B1)= 99的含氟共聚物组合物 / 1〜60/40,其中所述含氟共聚物组合物中的非氟化热塑性树脂(B1)为平均分散粒径为8μm以下的细颗粒形式,并且所述含氟共聚物组合物具有 在200℃下进行动态粘弹性测定的弹性模量为90MPa以上,代替非氟化热塑性树脂(B1),可以含有在450℃以下不具有熔点的非氟化树脂(B2) 其平均分散粒径最大为8μm的细颗粒的形式。

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