Laminate
    1.
    发明授权
    Laminate 有权

    公开(公告)号:US10677379B2

    公开(公告)日:2020-06-09

    申请号:US15722625

    申请日:2017-10-02

    Applicant: AGC Inc.

    Abstract: To provide a laminate which is formed from resins and is excellent in heat resistance and excellent in flexibility and mechanical properties under high-temperature conditions and which undergoes no separation of layers even when contacted with oil such as engine oil for a long period of time. The laminate comprises a first layer containing a fluorinated copolymer and a second layer containing a polyamide directly laminated on the first layer, wherein the fluorinated copolymer has units based on tetrafluoroethylene, units based on ethylene, units based on a copolymerizable another monomer not having a carbonyl group, and carbonyl group-containing groups, wherein the amounts of the respective units are in specific ranges, and the tensile elongation at 200° C. of the fluorinated copolymer is at least 200%, and the melting point of the polyamide and the flexural elastic modulus at 23° C. of the second layer are in specific ranges.

    Laminate, printed circuit board and method for producing laminate

    公开(公告)号:US10507631B2

    公开(公告)日:2019-12-17

    申请号:US16152637

    申请日:2018-10-05

    Applicant: AGC Inc.

    Abstract: To provide a laminate having a fluororesin layer and a thermoplastic resin layer laminated with a good adhesive strength.A method for producing a laminate, comprising carrying out heat lamination of a fluororesin film containing the following fluororesin (A) and a thermoplastic resin film containing a thermoplastic resin (B) having a melting point higher by at least 5° C. than the melting point of the fluororesin (A), at a temperature of at least a melting point of the fluororesin (A) and lower than a melting point of the thermoplastic resin (B). The fluororesin (A) is a fluororesin having at least one functional group selected from the group consisting of a carbonyl group-containing group, a hydroxy group, an epoxy group and an isocyanate group, and having a melt flow rate of from 0.5 to 30 g/10 min at 372° C. under a load of 49N.

    LAMINATE, PRINTED CIRCUIT BOARD AND METHOD FOR PRODUCING LAMINATE

    公开(公告)号:US20190030870A1

    公开(公告)日:2019-01-31

    申请号:US16152637

    申请日:2018-10-05

    Applicant: AGC Inc.

    Abstract: To provide a laminate having a fluororesin layer and a thermoplastic resin layer laminated with a good adhesive strength.A method for producing a laminate, comprising carrying out heat lamination of a fluororesin film containing the following fluororesin (A) and a thermoplastic resin film containing a thermoplastic resin (B) having a melting point higher by at least 5° C. than the melting point of the fluororesin (A), at a temperature of at least a melting point of the fluororesin (A) and lower than a melting point of the thermoplastic resin (B). The fluororesin (A) is a fluororesin having at least one functional group selected from the group consisting of a carbonyl group-containing group, a hydroxy group, an epoxy group and an isocyanate group, and having a melt flow rate of from 0.5 to 30 g/10 min at 372° C. under a load of 49N.

    Process for producing wiring substrate

    公开(公告)号:US10271428B2

    公开(公告)日:2019-04-23

    申请号:US15926014

    申请日:2018-03-20

    Applicant: AGC Inc.

    Abstract: To produce a wiring substrate having excellent electrical characteristics with conduction failure in a hole formed in a layer made of a fluororesin material sufficiently suppressed without conducting an etching treatment using metal sodium. A process for producing a wiring substrate, which comprises forming a hole in a laminate comprising a first conductor layer, a layer (A) which is made of a fluororesin material containing a melt-moldable fluororesin having specific functional groups and a reinforcing fiber substrate and which has a dielectric constant from 2.0 to 3.5, a second conductor layer, an adhesive layer and a layer (B) made of a cured product of a thermosetting resin laminated in this order, applying, to an inner wall surface of the hole, either one or both of a treatment with a permanganic acid solution and a plasma treatment without conducting an etching treatment using metal sodium, and then forming a plating layer.

    Multilayer propylene polymer laminate

    公开(公告)号:US11104107B2

    公开(公告)日:2021-08-31

    申请号:US16571888

    申请日:2019-09-16

    Applicant: AGC Inc.

    Abstract: To provide a fluororesin laminate in which a layer of a fluorinated copolymer and a layer of a propylene polymer excellent in heat resistance are strongly attached.
    A laminate comprising a layer which contains a fluorinated copolymer having an adhesive functional group and having monomer unit based on tetrafluoroethylene and monomer units based on ethylene, and a layer which contains a propylene polymer having an adhesive functional group.

    Process for producing laminate and process for producing printed board

    公开(公告)号:US10729018B2

    公开(公告)日:2020-07-28

    申请号:US16125265

    申请日:2018-09-07

    Applicant: AGC Inc.

    Abstract: To stably produce a laminate wherein heat resistant resin layers are laminated on both surfaces of a fluorinated resin layer, by thermal lamination.A process for producing a laminate, which comprises a preliminary heating step of heating, while conveying by a metal roll 33 for heating and a metal roll 32 for thermal lamination without pressing in the thickness direction, a temporary laminate wherein heat resistant resin films 2 and 2 are laminated on both surfaces of a fluorinated resin film 1 containing a melt-moldable fluorinated resin (A) having at least one type of functional groups selected from the group consisting of a carbonyl group-containing group, a hydroxyl group, an epoxy group and an isocyanate group and after the preliminary heating step, a thermal lamination step of pressing the temporary laminate in the thickness direction, while heating it by metal rolls 31 and 32 for thermal lamination at a thermal lamination temperature of at least the melting point of the fluorinated resin (A) ant at most 420° C., for bonding.

    FLUORORESIN COMPOSITION, MOLDING MATERIAL AND MOLDED PRODUCT

    公开(公告)号:US20180371228A1

    公开(公告)日:2018-12-27

    申请号:US16047548

    申请日:2018-07-27

    Applicant: AGC Inc.

    Abstract: To provide a fluororesin composition which is excellent in flexibility and oil resistance, is less susceptible to heat discoloration and is excellent in moldability. The fluororesin composition is made of a melt-kneaded product comprising a fluorinated elastomer having a storage shear modulus G′ of at least 100 and a melt-moldable fluororesin having a melting point of at least 150° C., wherein the fluorinated elastomer is dispersed in the fluororesin, the content of the fluorinated elastomer is from 10 to 65 mass % to the total of the fluorinated elastomer and the fluororesin, and the total amount of the fluorinated elastomer and the fluororesin is at least 90 mass % to the fluororesin composition, and the storage modulus E′ of the fluororesin composition at a temperature higher by 25° C. than the melting point of the fluororesin is at most 250 kPa.

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