中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

15 records (took 0.021 seconds)

    (METH)ACRYLIC ESTER COPOLYMER AND CURABLE COMPOSITION CONTAINING THE SAME
    1.
    发明公开
    (METH)ACRYLIC ESTER COPOLYMER AND CURABLE COMPOSITION CONTAINING THE SAME 审中-公开

    公开(公告)号：US20230144994A1

    公开(公告)日：2023-05-11

    申请号：US18149299

    申请日：2023-01-03

    Applicant: KANEKA CORPORATION

    Inventor： Kiyoshi Miyafuji

    IPC: C08F290/04 ,  C08L71/02

    CPC classification number: C08F290/04 ,  C08L71/02

    Abstract: Provided is a (meth)acrylic ester copolymer (B) having a reactive silicon group represented by the following formula (1): —SiR5cX3-c (1). R5 is a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, X is a hydroxy group or a hydrolyzable group, and c is 0 or 1. A monomer component of the copolymer includes a (meth)acrylic ester (b1), a (meth)acrylic ester polymer (b2) having more than one (meth)acryloyl groups per molecule, and a chain transfer agent (b3) having a mercapto group. The monomer component further includes a monomer (b4) having a reactive silicon group and a polymerizable unsaturated group, and/or the chain transfer agent (b3) having a mercapto group further has a reactive silicon group.

    CURABLE COMPOSITION
    2.
    发明申请
    CURABLE COMPOSITION 审中-公开
    可固化组合物

    公开(公告)号：US20160137872A1

    公开(公告)日：2016-05-19

    申请号：US14894977

    申请日：2014-05-29

    Applicant: KANEKA CORPORATION

    Inventor： Kiyoshi Miyafuji ,  Yu Itano ,  Katsuyu Wakabayashi

    IPC: C09D133/10 ,  C09D133/08

    CPC classification number: C09D133/10 ,  C08F220/18 ,  C08G65/336 ,  C08L33/06 ,  C08L71/02 ,  C08L2205/05 ,  C09D133/06 ,  C09D133/08 ,  C09D143/04 ,  C09D171/02 ,  C09K3/1006 ,  C08F2220/1825 ,  C08F2220/1858 ,  C08F2230/085 ,  C08F2220/1891 ,  C08F220/14 ,  C08L33/04

    Abstract: Provided is a curable composition having low viscosity and good workability before curing, and affording a cured product having high strength. The above-mentioned problem can be solved by using a curable composition containing organic polymer (A) having a reactive silicon group and (meth)acrylate-based polymer (B) having a trifunctional reactive silicon group, and having a reactive silicon group equivalent of not less than 0.30 mmol/g, wherein monomer (b1) having a glass transition temperature of a homopolymer of not more than 80° C. is contained as a monomer constituting polymer (B) in a proportion of not less than 40 wt % per 100 wt % of the total monomer unit.

    Abstract translation: 本发明提供固化前粘度低，加工性好的固化性组合物，提供强度高的固化物。 上述问题可以通过使用含有具有反应性硅基团的有机聚合物（A）和具有三官能反应性硅基的（甲基）丙烯酸酯类聚合物（B），并且具有反应性硅基当量的可固化组合物 不低于0.30mmol / g，其中包含均聚物不超过80℃的玻璃化转变温度的单体（b1）作为构成聚合物（B）的单体，其比例不小于40重量％ 100重量％的总单体单元。

    CURABLE COMPOSITION, AND CURED PRODUCT THEREOF
    3.
    发明申请
    CURABLE COMPOSITION, AND CURED PRODUCT THEREOF 审中-公开
    可固化组合物及其固化产品

    公开(公告)号：US20160108235A1

    公开(公告)日：2016-04-21

    申请号：US14894976

    申请日：2014-05-30

    Applicant: KANEKA CORPORATION

    Inventor： Kiyoshi Miyafuji

    IPC: C08L71/02 ,  C09D171/02

    CPC classification number: C08L71/02 ,  C08F220/14 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/05 ,  C09D133/14 ,  C09D143/04 ,  C09D171/02 ,  C09K3/10 ,  C08F2220/1858 ,  C08F230/08 ,  C08F2220/1891 ,  C08F2220/1825 ,  C08L43/04

    Abstract: The present invention provides a curable composition containing oxyalkylene-based polymer (A) having more than one reactive silicon group represented by the formula (1): —SiR1aX3-a on average in one molecule, (meth)acrylate-based polymer (B) having a reactive silicon group represented by the formula (2): —SiX3 and a reactive silicon group equivalent of not less than 0.30 mmol/g, and high-molecular weight plasticizer (C) having 0-1 reactive silicon group on average in one molecule (the groups in the formulas (1) and (2) are as defined in the DESCRIPTION).

    Abstract translation: 本发明提供一种含有氧化烯系聚合物（A）的固化性组合物，其具有一个以上式（1）表示的反应性硅基团：一分子中的-SiR1aX3-a，（甲基）丙烯酸酯系聚合物（B） 具有由式（2）表示的反应性硅基团：-SiX 3和不小于0.30mmol / g的反应性硅基团当量，以及平均具有0-1个反应性硅基团的高分子量增塑剂（C） 分子（式（1）和（2）中的基团如说明书中所定义）。

    POLYMER BLEND, COMPOSITION, SEALANT, AND SEALANT FOR TIRE
    4.
    发明申请
    POLYMER BLEND, COMPOSITION, SEALANT, AND SEALANT FOR TIRE 有权

    公开(公告)号：US20210388204A1

    公开(公告)日：2021-12-16

    申请号：US17461197

    申请日：2021-08-30

    Applicant: KANEKA CORPORATION ,  BRIDGESTONE CORPORATION

    Inventor： Kiyoshi Miyafuji ,  Tohru Nakashima ,  Fumiteru Nishiura

    IPC: C08L71/02 ,  C09K3/10 ,  B60C19/12

    Abstract: A polymer blend including an organic polymer with a reactive silicon-containing group which gives cured objects excellent elongation property and stress relaxation, a composition including the polymer blend, a specific filler, and a curing catalyst, a sealant including the composition; and a sealant for tires, are provided. A polymer blend including an organic polymer with a bifunctional reactive silicon-containing group of a specific structure is mixed with polyoxyalkylene (A). Polyoxyalkylene (A) has an average molecular weight of 13,000 or higher and 100,000 or lower, a reactive-silicon-containing-group equivalent Eqa of 0.010 mmol/g or more and 0.29 mmol/g or less, and contains more than one silicon-containing group per molecule and polyoxyalkylene (B). Polyoxyalkylene (B) has an average molecular weight of 3,000 or higher and 25,000 or lower, a reactive-silicon-containing group only at one end, and a reactive-silicon-containing-group equivalent Eqb of 0.03 mmol/g or more and 0.58 mmol/g or less.

    CURABLE COMPOSITION AND CURED OBJECT OBTAINED THEREFROM
    5.
    发明申请
    CURABLE COMPOSITION AND CURED OBJECT OBTAINED THEREFROM 审中-公开

    公开(公告)号：US20170107374A1

    公开(公告)日：2017-04-20

    申请号：US15395382

    申请日：2016-12-30

    Applicant: Kaneka Corporation

    Inventor： Tatsuro Harumashi ,  Yu Itano ,  Kiyoshi Miyafuji

    IPC: C08L71/02 ,  C08L33/12

    CPC classification number: C08L71/02 ,  C08G65/336 ,  C08L33/04 ,  C08L33/12 ,  C09K3/10 ,  C08L43/04 ,  C08L33/06

    Abstract: A curable composition iaciudes a polyoxyalkylene-based polymer (A); and a (meth)acrylate-based polymer (B), wherein the polyoxyalkylene-based polyer (A) has more than 1.0 reactive silicon group on average per one terminal portion, and the (meth)acrylate-based polymer (B) has more than or equal to 1.0 reactive silicon group on average per one molecule, wherein the (meth)acrylate-based polymer (B) is represented by the formula (1): —SiRX2 (1) wherein R is a hydrocarbon group having 1-20 carbon atoms or a hydrocarbon group having 1-20 carbon atoms substituted with a hetero atom-containing group or a halogen atom, and X is a hydroxyl group or a hydrolyzable group.

    Curable composition
    6.
    发明授权
    Curable composition 有权
    可固化组合物

    公开(公告)号：US09328272B2

    公开(公告)日：2016-05-03

    申请号：US14426836

    申请日：2013-09-06

    Applicant: KANEKA CORPORATION

    Inventor： Kiyoshi Miyafuji

    IPC: C09J171/02 ,  C08G65/336 ,  C09K3/10 ,  C08L71/02

    CPC classification number: C09J171/02 ,  C08G65/336 ,  C08L71/02 ,  C08L101/10 ,  C08L2205/02 ,  C09K3/10

    Abstract: The present invention aims to provide a curable composition that is usable in fast curing adhesives and the like and has excellent curability and excellent initial adhesion. The aim is accomplished by use of a curable composition that contains a polyoxyalkylene polymer (a1) having a reactive silyl group (e.g., trimethoxysilyl group) equivalent of 0.15 mmol/g to 1.5 mmol/g and a polyoxyalkylene polymer (a2) having a reactive silyl group equivalent of 0.010 to 0.14 mmol/g. Preferably, the polymers (a1) and (a2) both have a backbone with at least one branch.

    Abstract translation: 本发明旨在提供可用于快速固化粘合剂等的可固化组合物，并且具有优异的固化性和优异的初始粘合性。 目的是通过使用含有当量为0.15mmol / g〜1.5mmol / g的反应性甲硅烷基（例如三甲氧基甲硅烷基）的聚氧化烯聚合物（a1）和具有反应性的聚氧化烯聚合物（a2）的固化性组合物 甲硅烷基当量为0.010至0.14mmol / g。 优选地，聚合物（a1）和（a2）都具有至少一个分支的主链。

    CURABLE COMPOSITION
    7.
    发明申请
    CURABLE COMPOSITION 有权

    公开(公告)号：US20210363347A1

    公开(公告)日：2021-11-25

    申请号：US17398331

    申请日：2021-08-10

    Applicant: KANEKA CORPORATION

    Inventor： Kiyoshi Miyafuji

    IPC: C08L71/02 ,  C08L33/14 ,  C08F8/42 ,  C08F220/18 ,  C08G65/336

    Abstract: A multi-part curable composition includes: an A part including a polyoxyalkylene polymer (A) having a reactive silicon group, a (meth)acrylic ester polymer (B) having a reactive silicon group, and an epoxy resin curing agent (D); and a B part including an epoxy resin (C) and a silanol condensation catalyst (E). The (meth)acrylic ester polymer (B) is a polymer containing constituent monomers including 40 to 70% by weight of an alkyl (meth)acrylate (b1) having an alkyl having 1 to 3 carbon atoms, a monomer (b2) having a reactive silicon group and a polymerizable unsaturated group, and a macromonomer (b3) that is a (meth)acrylic ester polymer having a polymerizable unsaturated group.

Patent Agency Ranking