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    CHLOROPRENE POLYMER LATEX COMPOSITION AND USE THEREOF
    1.
    发明专利
    CHLOROPRENE POLYMER LATEX COMPOSITION AND USE THEREOF 未知

    公开(公告)号：CA2782199C

    公开(公告)日：2018-04-17

    申请号：CA2782199

    申请日：2010-11-29

    Applicant: SHOWA DENKO KK

    Inventor： MINORIKAWA NAOKI ,  TAKENOSHITA YOUICHIRO ,  SUZUKI ERIKA

    IPC: C08L11/02 ,  C08K5/10 ,  C08K5/41 ,  C08L33/04 ,  C09J11/00 ,  C09J111/02 ,  C09J133/04

    Abstract: Disclosed is a chloroprene polymer latex composition for water-based one-pack type adhesives having well-balanced initial adhesive force, contact properties, storage stability and spray coating properties, characterized by comprising 60-95 mass% (in terms of solid content) of a chloroprene polymer latex (A), 5-40 mass% (in terms of solid content) of an acrylic resin latex (B) containing an acrylic polymer having a glass transition temperature of -50 to 0oC, and 0.02-5 parts by mass (in terms of solid content), per 100 parts by mass (containing water) of the sum of said chloroprene polymer latex (A) and said acrylic resin latex (B), of a surfactant (C) represented by general formula (1): RO-(CH2CH2O)n-SO3M (1) wherein R represents an aliphatic alkyl group having 5 to 20 carbon atoms on average; M represents sodium or ammonium; and n (average) is from 2 to 60.

    Composition for rubber and use thereof
    2.
    发明专利
    Composition for rubber and use thereof 未知

    公开(公告)号：AU2016248518A1

    公开(公告)日：2017-11-09

    申请号：AU2016248518

    申请日：2016-01-18

    Applicant: SHOWA DENKO KK

    Inventor： OGAWA NORIKO ,  TAKENOSHITA YOUICHIRO

    IPC: C08L11/02 ,  A41D19/00 ,  A41D19/015 ,  A41D19/04 ,  B29C41/14 ,  B29K21/00 ,  B29L31/48 ,  C08K3/22 ,  C08K5/00

    Abstract: The present invention relates to a composition for rubber that includes a chloroprene based polymer latex (A), a metal oxide (B), an antioxidant (C), a surfactant (D) and a pH adjuster (E) and does not include a vulcanizing accelerator, wherein the amount of insoluble tetrahydrofuran (THF) in the solid content of (A) is 50-85 mass% and, with respect to 100 parts by mass of the solid content of (A), the composition comprises 1-10 parts by mass (B), 0.1-5 parts by mass (C), 0.1-10 parts by mass (D) and 0.01-5 parts by mass (E). Immersion rubber products obtained by crosslinking the composition for rubber according to the present invention have superior balance between flexibility and tensile strength/tensile elongation and are useful as disposable medical gloves that do not include vulcanizing accelerators, which are allergens.

    CHLOROPRENE POLYMER LATEX COMPOSITION AND USE THEREOF
    3.
    发明专利
    CHLOROPRENE POLYMER LATEX COMPOSITION AND USE THEREOF 未知

    公开(公告)号：CA2782199A1

    公开(公告)日：2011-06-03

    申请号：CA2782199

    申请日：2010-11-29

    Applicant: SHOWA DENKO KK

    Inventor： MINORIKAWA NAOKI ,  TAKENOSHITA YOUICHIRO ,  SUZUKI ERIKA

    IPC: C08L11/02 ,  C08K5/10 ,  C08K5/41 ,  C08L33/04 ,  C09J11/00 ,  C09J111/02 ,  C09J133/04

    Abstract: Disclosed is a chloroprene polymer latex composition for water-based one-pack type adhesives having well-balanced initial adhesive force, contact properties, storage stability and spray coating properties, characterized by comprising 60-95 mass% (in terms of solid content) of a chloroprene polymer latex (A), 5-40 mass% (in terms of solid content) of an acrylic resin latex (B) containing an acrylic polymer having a glass transition temperature of -50 to 0oC, and 0.02-5 parts by mass (in terms of solid content), per 100 parts by mass (containing water) of the sum of said chloroprene polymer latex (A) and said acrylic resin latex (B), of a surfactant (C) represented by general formula (1): RO-(CH2CH2O)n-SO3M (1) wherein R represents an aliphatic alkyl group having 5 to 20 carbon atoms on average; M represents sodium or ammonium; and n (average) is from 2 to 60.

    Composition for rubber and use thereof
    5.
    发明专利
    Composition for rubber and use thereof 未知

    公开(公告)号：AU2016248518B2

    公开(公告)日：2018-08-30

    申请号：AU2016248518

    申请日：2016-01-18

    Applicant: SHOWA DENKO KK

    Inventor： OGAWA NORIKO ,  TAKENOSHITA YOUICHIRO

    IPC: C08L11/02 ,  A41D19/00 ,  A41D19/015 ,  A41D19/04 ,  B29C41/14 ,  B29K21/00 ,  B29L31/48 ,  C08K3/22 ,  C08K5/00

    Abstract: The present invention relates to a composition for rubber that includes a chloroprene based polymer latex (A), a metal oxide (B), an antioxidant (C), a surfactant (D) and a pH adjuster (E) and does not include a vulcanizing accelerator, wherein the amount of insoluble tetrahydrofuran (THF) in the solid content of (A) is 50-85 mass% and, with respect to 100 parts by mass of the solid content of (A), the composition comprises 1-10 parts by mass (B), 0.1-5 parts by mass (C), 0.1-10 parts by mass (D) and 0.01-5 parts by mass (E). Immersion rubber products obtained by crosslinking the composition for rubber according to the present invention have superior balance between flexibility and tensile strength/tensile elongation and are useful as disposable medical gloves that do not include vulcanizing accelerators, which are allergens.

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