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12 条记录 (耗时 0.025 秒)

    THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED BODY
    2.
    发明公开
    THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED BODY 有权
    热塑性弹性体组合物和模塑体

    公开(公告)号：EP2980153A1

    公开(公告)日：2016-02-03

    申请号：EP14847738.3

    申请日：2014-09-29

    申请人： Kuraray Co., Ltd. ,  Amyris, Inc.

    发明人： SASAKI, Hiromitsu ,  UEHARA, Yosuke ,  KATO, Masahiro

    IPC分类号： C08L53/02 ,  C08F8/04 ,  C08F297/04 ,  C08K5/00 ,  C08L23/02

    CPC分类号： C08L53/02 ,  C08F8/04 ,  C08F297/04 ,  C08F2800/20 ,  C08K5/01 ,  C08L53/025 ,  C08L53/00 ,  C08L57/02 ,  C08L23/12 ,  C08L23/08 ,  C08F212/08 ,  C08F236/22 ,  C08F236/08 ,  C08F236/06

    摘要： The thermoplastic elastomer composition of the present invention is a thermoplastic elastomer composition including a hydrogenated block copolymer (A) and a softening agent (B), the hydrogenated block copolymer (A) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 70/30; 50 mol% or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a content of the softening agent (B) being 20 to 2,000 parts by mass on the basis of 100 parts by mass of the hydrogenated block copolymer (A).

    摘要翻译： 本发明的热塑性弹性体组合物是包含氢化嵌段共聚物（A）和软化剂（B）的热塑性弹性体组合物，氢化嵌段共聚物（A）是包含聚合物嵌段（a）的嵌段共聚物的氢化产物， ）由来自芳香族乙烯基化合物的结构单元和聚合物嵌段（b）构成，所述聚合物嵌段（b）含有1至100质量％来自法呢烯的结构单元（b1）和99至0质量％结构单元（b2） 衍生自法呢烯以外的共轭二烯; 聚合物嵌段（a）和聚合物嵌段（b）[（a）/（b）]的质量比为1/99至70/30; 聚合物嵌段（b）中50mol％或更多的碳 - 碳双键被氢化; 以100质量份氢化嵌段共聚物（A）计，软化剂（B）的含量为20〜2000质量份。

    RESIN COMPOSITION, ADHESIVE AGENT, AND COMPATIBILIZER
    4.
    发明公开
    RESIN COMPOSITION, ADHESIVE AGENT, AND COMPATIBILIZER 审中-公开

    公开(公告)号：EP4276148A1

    公开(公告)日：2023-11-15

    申请号：EP22736742.2

    申请日：2022-01-05

    申请人： Kuraray Co., Ltd.

    发明人： KATO, Masahiro ,  SENDA, Yasushi ,  SATANI, Ryo

    IPC分类号： C08L23/00 ,  C08F8/04 ,  C08F297/04 ,  C08L53/02 ,  C09J123/00 ,  C09J153/02

    摘要： The present invention relates to a resin composition containing a modified hydrogenated product (A) of a block copolymer containing a polymer block (A-1) having a structural unit derived from an aromatic vinyl compound and a polymer block (A-2) having a structural unit derived from a conjugated diene compound, and a polyolefin resin (B), wherein the modified hydrogenated product (A) has one or two or more functional groups selected from an alkoxysilyl group, a carboxy group, an amino group, a hydroxy group, an epoxy group, and a group derived from an acid anhydride, and the polymer block (A-2) has a vinyl bond amount of 50 to 99 mol%; and the resin composition further containing a polar resin (C).

    BLOCK COPOLYMER HYDROGENATE, RESIN COMPOSITION, AND VARIOUS APPLICATIONS THEREOF
    5.
    发明公开
    BLOCK COPOLYMER HYDROGENATE, RESIN COMPOSITION, AND VARIOUS APPLICATIONS THEREOF 审中-公开

    公开(公告)号：EP3805284A1

    公开(公告)日：2021-04-14

    申请号：EP19811093.4

    申请日：2019-05-30

    申请人： Kuraray Co., Ltd.

    发明人： SENDA, Yasushi ,  KATO, Masahiro ,  MASUDA, Mikio

    IPC分类号： C08F297/04 ,  B32B27/30 ,  C08F8/04 ,  C08L23/00 ,  C08L53/02 ,  C08L55/02 ,  C08L69/00 ,  C08L71/12 ,  C08L77/00 ,  C09D153/02 ,  C09J153/02 ,  F16F15/08

    摘要： The present invention relates to a block copolymer including a polymer block (A) containing more than 70 mol% of a structural unit derived from an aromatic vinyl compound, and a polymer block (B) containing 30 mol% or more of a structural unit derived from a conjugated diene compound, the block copolymer further satisfying following conditions.
    Condition (1): A content of the polymer block (A) in the block copolymer is 1 to 70% by mass.
    Condition (2): A maximum width of a series of temperature regions where tan δ measured in accordance with JIS K7244-10 (2005), under conditions including a strain amount of 0.1%, a frequency of 1 Hz, a measurement temperature of -70 to 100°C, and a temperature rise rate of 3°C/min, is 1.0 or more is less than 16°C.
    Condition (3): A temperature at a peak position of tan δ in the condition (2) is 0°C to +50°C.
    Condition (4): A mobility parameter M indicating a mobility of the polymer block (B) is 0.01 to 0.25 sec.

    MOLDED FOAM BODY, DAM RUBBER, COMPOSITE BODY OF DAM RUBBER AND PANEL, AND METHOD FOR INCREASING SOUND TRANSMISSION LOSS
    7.
    发明公开
    MOLDED FOAM BODY, DAM RUBBER, COMPOSITE BODY OF DAM RUBBER AND PANEL, AND METHOD FOR INCREASING SOUND TRANSMISSION LOSS 审中-公开

    公开(公告)号：EP3459994A1

    公开(公告)日：2019-03-27

    申请号：EP17799450.6

    申请日：2017-05-17

    申请人： Kuraray Co., Ltd.

    发明人： MORISHITA, Yoshihiro ,  KATO, Masahiro ,  SENDA, Yasushi ,  ARISHIMA, Hiroyuki ,  KOISHIKAWA, Jun

    IPC分类号： C08J9/04 ,  C08L23/04 ,  C08L23/16 ,  C08L53/02 ,  B60J10/70 ,  C08F297/04

    摘要： Provided are a foam molded body capable of improving damping properties and sound insulation properties of a panel and realizing weight reduction of a panel, a dam rubber, a complex of a dam rubber and a panel, and a method for increasing a sound transmission loss.
    The present invention is concerned with a foam molded body of a resin composition containing a block copolymer (I) which is a block copolymer having a polymer block (A) composed mainly of a structural unit derived from an aromatic vinyl compound and other polymer block (B), exhibits a peak top temperature of tanδ, as measured under a condition of a thickness of a test piece of 1 mm, a strain amount of 0.1%, a frequency of 1 Hz, a measurement temperature of -70 to 70°C, and a temperature rise rate of 3°C/min in conformity with JIS K7244-10 (2005), of -50 to 50°C, and has a peak top molecular weight determined in terms of standard polystyrene by gel permeation chromatography of 30,000 to 500,000; at least one olefin-based polymer (II) selected from the group consisting of an ethylene-propylene-diene copolymer rubber, an ethylene-vinyl acetate copolymer, and a polyethylene-based resin; a crosslinking agent (III); and a foaming agent (IV).

    THERMOPLASTIC ELASTOMER COMPOSITION, VIBRATION-DAMPING MATERIAL, GEAR, AND MOLDED COMPOSITE OBJECT
    8.
    发明公开
    THERMOPLASTIC ELASTOMER COMPOSITION, VIBRATION-DAMPING MATERIAL, GEAR, AND MOLDED COMPOSITE OBJECT 审中-公开

    公开(公告)号：EP4083135A1

    公开(公告)日：2022-11-02

    申请号：EP20907889.8

    申请日：2020-12-10

    申请人： Kuraray Co., Ltd.

    发明人： SENDA, Yasushi ,  KATO, Masahiro

    IPC分类号： C08L53/02 ,  C08L67/00

    摘要： Provided is a thermoplastic elastomer composition and the like which can have improved vibration-damping properties while retaining properties inherent in a polyester-based thermoplastic elastomer. The thermoplastic elastomer composition contains a polyester-based thermoplastic elastomer (A) and a hydrogenated aromatic vinyl compound-based elastomer (B) having a glass transition temperature Tg of -10 to 40°C, wherein the hydrogenated aromatic vinyl compound-based elastomer (B) is a hydrogenate of a block copolymer containing a polymer block (a) having a structural unit derived from an aromatic vinyl compound and a polymer block (b) having a structural unit derived from a conjugated diene compound, and the ratio by mass of the polyester-based thermoplastic elastomer (A) to the hydrogenated aromatic vinyl compound-based elastomer (B), (A/B) is 99/1 to 1/99.

    MODIFIED HYDROGENATED PRODUCT, METHOD FOR PRODUCING SAME, RESIN COMPOSITION, AND VARIOUS USES THEREOF
    9.
    发明公开
    MODIFIED HYDROGENATED PRODUCT, METHOD FOR PRODUCING SAME, RESIN COMPOSITION, AND VARIOUS USES THEREOF 审中-公开

    公开(公告)号：EP3805275A1

    公开(公告)日：2021-04-14

    申请号：EP19811482.9

    申请日：2019-05-22

    申请人： Kuraray Co., Ltd.

    发明人： KATO, Masahiro ,  SENDA, Yasushi ,  AOKI, Yoshihiro ,  OYA, Nobuhiro ,  SUZUKI, Hideaki

    IPC分类号： C08F8/46 ,  C08F8/04 ,  C08F8/42 ,  C08F297/04 ,  C08L53/02 ,  C08L77/06

    摘要： The present invention relates to a modified hydrogenated product of a block copolymer having a polymer block (A) containing a structural unit derived from an aromatic vinyl compound, and a polymer block (B) containing a structural unit derived from a conjugated diene compound, a method of producing the modified hydrogenated product, and a resin composition containing the modified hydrogenated product. The modified hydrogenated product has one or more functional groups selected from an alkoxysilyl group, a carboxy group, an amino group, a hydroxy group, an epoxy group, and an acid anhydride-derived group, and satisfies the following conditions.
    Condition (1): after stay at 330°C for 30 min under nitrogen atmosphere, a weight change rate is -5.5% or more.
    Condition (2): the peak top intensity of tan δ measured in accordance with JIS K7244-10 (2005), under conditions including a strain amount of 0.1%, a frequency of 1 Hz, a measurement temperature of -70 to 120°C, and a temperature rise rate of 3°C/min, is 1.0 or more.

    MODIFIED HYDROGENATED BLOCK COPOLYMER AND RESIN COMPOSITION
    10.
    发明公开
    MODIFIED HYDROGENATED BLOCK COPOLYMER AND RESIN COMPOSITION 审中-公开

    公开(公告)号：EP4450526A1

    公开(公告)日：2024-10-23

    申请号：EP22907519.7

    申请日：2022-12-15

    申请人： Kuraray Co., Ltd.

    发明人： KATO, Masahiro ,  SENDA, Yasushi ,  SATANI, Ryo

    IPC分类号： C08F8/04 ,  C08L23/00 ,  C08L53/02 ,  C08L101/00

    摘要： Provided is a modified product of a hydrogenated product of a block copolymer that can be added to obtain a resin composition having an excellent balance of mechanical properties such as tensile strength, tensile strain at break, and impact resistance. A modified hydrogenated product of a block copolymer including a polymer block containing a structural unit derived from an aromatic vinyl compound and a polymer block containing a structural unit derived from a conjugated diene compound, in which the conjugated diene compound contains isoprene and a conjugated diene compound other than isoprene; the polymer block has a vinyl bonding amount of 30 mol% or less; the modified hydrogenated product has one, or two or more functional groups selected from an alkoxysilyl group, a carboxy group, an amino group, a hydroxy group, an epoxy group, and an acid anhydride-derived group, and has a peak top intensity of loss tangent of 0.95 or less and a melt flow rate (MFR) of 0.5 g/10 min or more.