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1. 发明申请

US20210214486A1 BLOCK COPOLYMER HYDROGENATE, RESIN COMPOSITION, AND VARIOUS APPLICATIONS THEREOF 有权
公开(公告)号：US20210214486A1
公开(公告)日：2021-07-15
申请号：US17058940
申请日：2019-05-30
申请人： KURARAY CO., LTD.
发明人： Yasushi SENDA , Masahiro KATO , Mikio MASUDA
IPC分类号： C08F297/04 , C09J153/02 , C08L55/02 , C08L53/02 , A43B13/04 , B32B27/30 , G10K11/168
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.

2. 发明申请

US20190284362A1 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：US20190284362A1
公开(公告)日：2019-09-19
申请号：US16301638
申请日：2017-05-17
申请人： KURARAY CO., LTD.
发明人： Yoshihiro MORISHITA , Masahiro KATO , Yasushi SENDA , Hiroyuki ARISHIMA , Jun KOISHIKAWA
IPC分类号： C08J9/10 , C08J9/00 , C08L23/16 , C08L23/08 , C08L9/06 , C08L53/02 , B29D99/00
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 tan δ, 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).

3. 发明申请

US20200079890A1 HYDROGENATED BLOCK COPOLYMER 审中-公开
公开(公告)号：US20200079890A1
公开(公告)日：2020-03-12
申请号：US16680928
申请日：2019-11-12
申请人： KURARAY CO., LTD. , AMYRIS, INC.
发明人： Yosuke UEHARA , Hiromitsu SASAKI , Daisuke KONISHI , Masahiro KATO
IPC分类号： C08F297/04 , C08L25/10 , B32B27/30 , D04H1/4282 , C08F236/06 , C08F236/08 , C08F236/10 , C08F236/22 , C09J153/02 , C08L53/02 , B29C43/02 , C08F8/04 , C08J5/18 , D01F6/28 , C08L23/00 , B32B27/00 , D04H3/007
摘要： A hydrogenated block copolymer prepared by hydrogenating a block copolymer that contains a polymer block (A) containing a structural unit derived from an aromatic vinyl compound, a polymer block (B) containing a structural unit derived from farnesene, and a polymer block (C) containing a structural unit derived from a conjugated diene except farnesene, wherein the block copolymer contains at least two above polymer blocks (A), at least one above polymer block (B) and at least one above polymer block (C), and wherein at least one above polymer block (B) is at the terminal, and the hydrogenation rate of the carbon-carbon double bond in the polymer block (B) and the polymer block (C) is 50 mol % or more.

4. 发明申请

US20160108228A1 THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED BODY 有权
标题翻译：热塑性弹性体组合物和模塑体
公开(公告)号：US20160108228A1
公开(公告)日：2016-04-21
申请号：US14787923
申请日：2014-09-29
申请人： KURARAY CO., LTD. , AMYRIS, INC.
发明人： Hiromitsu SASAKI , Yosuke UEHARA , Masahiro KATO
IPC分类号： C08L53/02 , C08K5/01
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 ）和含有1〜100质量％的来自法呢烯的结构单元（b1）和99〜0质量％的结构单元（b2）的由芳香族乙烯基化合物构成的结构单元和聚合物嵌段（b）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）中的50摩尔％以上的碳 - 碳双键被氢化; 相对于100质量份氢化嵌段共聚物（A），软化剂（B）的含量为20〜2000质量份。

5. 发明申请

US20230065457A1 THERMOPLASTIC ELASTOMER COMPOSITION, VIBRATION-DAMPING MATERIAL, GEAR, AND MOLDED COMPOSITE OBJECT 有权
公开(公告)号：US20230065457A1
公开(公告)日：2023-03-02
申请号：US17788392
申请日：2020-12-10
申请人： KURARAY CO., LTD.
发明人： Yasushi SENDA , Masahiro KATO
IPC分类号： 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.

6. 发明申请

US20200283617A1 BLOCK COPOLYMER OR HYDROGENATED PRODUCT OF SAME 审中-公开
公开(公告)号：US20200283617A1
公开(公告)日：2020-09-10
申请号：US16763845
申请日：2018-11-21
申请人： KURARAY CO., LTD.
发明人： Yasushi SENDA , Masahiro KATO
IPC分类号： C08L53/02 , C08F112/08 , C08F136/06 , C08F136/08 , C08F136/04 , C08F8/04 , C09J7/38
摘要： A block copolymer or a hydrogenate thereof, containing a polymer block (A) and a polymer block (B), in which the polymer block (B) has a structural unit derived from a conjugated diene compound, the structural unit including one or more kinds of alicyclic skeletons (X) represented by a formula (X) in the main chain.

7. 发明申请

US20180030194A1 HYDROGENATED BLOCK COPOLYMER 审中-公开
公开(公告)号：US20180030194A1
公开(公告)日：2018-02-01
申请号：US15548640
申请日：2016-02-05
申请人： KURARAY CO., LTD. , AMYRIS, INC.
发明人： Yosuke UEHARA , Hiromitsu SASAKI , Daisuke KONISHI , Masahiro KATO
IPC分类号： C08F297/04 , C08F8/04 , C08L53/02 , C09J153/02 , C08L25/06 , B29C43/02 , C08J5/18
摘要： A hydrogenated block copolymer prepared by hydrogenating a block copolymer that contains a polymer block (A) containing a structural unit derived from an aromatic vinyl compound, a polymer block (B) containing a structural unit derived from farnesene, and a polymer block (C) containing a structural unit derived from a conjugated, diene except farnesene, wherein the block copolymer contains at least two above polymer blocks (A), at least one above polymer block (B) and at least one above polymer block (C), and wherein at least one above polymer block (B) is at the terminal, and the hydrogenation rate of the carbon-carbon double bond in the polymer block (B) and the polymer block (C) is 50 mol % or more.

8. 发明申请

US20220235217A1 RESIN COMPOSITION, METHOD FOR PRODUCING RESIN COMPOSITION, AND MOLDED ARTICLE 有权
公开(公告)号：US20220235217A1
公开(公告)日：2022-07-28
申请号：US17612039
申请日：2020-05-22
申请人： KURARAY CO., LTD.
发明人： Yasushi SENDA , Masahiro KATO
IPC分类号： C08L53/02
摘要： A resin composition or the like may exhibit high vibration damping properties even at a relatively high temperature, have good moldability, and have excellent impact resistance. The resin composition contains a thermoplastic resin (A), a thermoplastic resin (B), and a polar resin (C), wherein the resin composition satisfies (1) to (3): (1) the thermoplastic resin (B) has at least one of a reactive functional group and a monomer unit containing a hetero atom; (2) the thermoplastic resin (A) and the thermoplastic resin (B) are different types of resins; (3) with respect to the total mass of the resin composition, the content of the thermoplastic resin (A) is 1 to 30% by mass, the content of the thermoplastic resin (B) is 1 to 30% by mass, and the content of the polar resin (C) is 40 to 98% by mass.

9. 发明申请

US20210324130A1 MODIFIED HYDROGENATED PRODUCT, METHOD FOR PRODUCING SAME, RESIN COMPOSITION, AND VARIOUS USES THEREOF 有权
公开(公告)号：US20210324130A1
公开(公告)日：2021-10-21
申请号：US17059023
申请日：2019-05-22
申请人： KURARAY CO., LTD.
发明人： Masahiro KATO , Yasushi SENDA , Yoshihiro AOKI , Nobuhiro OYA , Hideaki SUZUKI
IPC分类号： C08F297/04 , C08F8/04 , C08L53/02
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.

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