Pressure sensitive adhesive having high molecular weight and narrow molecular weight distribution, and method for producing the same
    1.
    发明专利
    Pressure sensitive adhesive having high molecular weight and narrow molecular weight distribution, and method for producing the same 有权
    具有高分子量和窄分子量分布的压力敏感性粘合剂及其制造方法

    公开(公告)号:JP2013129830A

    公开(公告)日:2013-07-04

    申请号:JP2012276743

    申请日:2012-12-19

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a pressure sensitive adhesive having a high molecular weight and a narrow molecular weight distribution in combination, and to provide a pressure sensitive adhesive, particularly a polyacrylic pressure sensitive adhesive, produced therefrom.SOLUTION: Astonishingly, a polymer having a high molecular weight and a narrow molecular weight distribution, particularly a polyacrylate having a high molecular weight and a narrow molecular weight distribution, can be excellently produced by an RAFT method in the presence of a diradical initiator to thermally produce a diradical to be then cyclized. The polymer is suitable for use as a pressure sensitive adhesive having a shear strength.

    Abstract translation: 要解决的问题:提供组合具有高分子量和窄分子量分布的压敏粘合剂的方法,并提供由其制备的压敏粘合剂,特别是聚丙烯酸类压敏粘合剂。解决方案:令人惊讶的是 具有高分子量和窄分子量分布的聚合物,特别是具有高分子量和窄分子量分布的聚丙烯酸酯,可以通过RAFT法在双射线引发剂的存在下极好地产生,从而热产生双向 然后环化。 聚合物适合用作具有剪切强度的压敏粘合剂。

    Cross-linking agent-accelerator system for polyacrylate
    3.
    发明专利
    Cross-linking agent-accelerator system for polyacrylate 审中-公开
    用于聚丙烯酸酯的交联剂加速器系统

    公开(公告)号:JP2013147655A

    公开(公告)日:2013-08-01

    申请号:JP2013007829

    申请日:2013-01-18

    CPC classification number: C08F20/18 C08K5/1515 C08K5/17 C09J133/00

    Abstract: PROBLEM TO BE SOLVED: To provide a composition controlled in a thermal cross-linking rate.SOLUTION: A thermally cross-linkable composition comprises at least one cross-linking agent containing at least one epoxy group, an accelerator represented by general formula (I): RRN-CRR-CRR-(CRR)-NRR[wherein, groups R, R, Rand Rare mutually independently a hydrogen atom, substituted or non-substituted 1-8C alkyl or cycloalkyl, or 1-8C alkylene bound to the main chain; at least one of R, R, Rand Ris not the hydrogen atom; R, R, R, R, Rand Rare mutually independently the hydrogen atom, or 1-8C alkyl, or form 5-7C-membered cycloalkylene; and n is an integer of 0-4], and a polyacrylate having a functional group suitable for cross-link-reacting with an epoxy group.

    Abstract translation: 要解决的问题:提供以热交联速率控制的组合物。解决方案:可热交联的组合物包含至少一种含有至少一个环氧基的交联剂,由通式(I)表示的促进剂, :RRN-CRR-CRR-(CRR)-NRR [其中,基团R,R,R 3相互独立地表示氢原子,取代或未取代的1-8C烷基或环烷基或与主链结合的1-8C亚烷基 ; R,R,Rand中的至少一个不是氢原子; R,R,R,R,R 3相互独立地表示氢原子或1-8C烷基,或形成5-7元元环亚烷基; n为0-4的整数],和具有适于与环氧基进行交联反应的官能团的聚丙烯酸酯。

    Adhesive tape for structure
    4.
    发明专利
    Adhesive tape for structure 有权
    粘结胶带用于结构

    公开(公告)号:JP2011080061A

    公开(公告)日:2011-04-21

    申请号:JP2010223487

    申请日:2010-10-01

    Abstract: PROBLEM TO BE SOLVED: To provide an acrylate based thermally crosslinked polymer (especially pressure-sensitive adhesive) for an especially strong adhesion double-sided pressure-sensitive tape. SOLUTION: In the double-sided adhesive tape including a viscoelastic first polymer layer, a second polymer layer on the upper surface of the viscoelastic first polymer layer and a third polymer layer on the lower surface, the viscoelastic first polymer layer is based on a polymer obtained by polymerizing a monomer composition of 65-97 wt.% ethyl hexyl acrylate and/or butyl acrylate, 0-30 wt.% methyl acrylate and 3-15 wt.% acrylic acid and a viscoelastic intermediate layer is crosslinked, and the second polymer layer is based on a polymer obtained by polymerizing a monomer composition of 85-95 wt.% ethyl hexyl acrylate and/or butyl acrylate, 5-15 wt.% acrylic acid, and the second polymer layer is crosslinked without an accelerator while adding at least one epoxy cyclohexyl derivative. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种用于特别强粘合双面压敏胶带的丙烯酸酯类热交联聚合物(特别是压敏粘合剂)。 解决方案:在粘弹性第一聚合物层,粘弹性第一聚合物层的上表面上的第二聚合物层和下表面上的第三聚合物层的双面胶带中,粘弹性第一聚合物层基于 在通过聚合65-97重量%丙烯酸乙基己酯和/或丙烯酸丁酯,0-30重量%丙烯酸甲酯和3-15重量%丙烯酸和粘弹性中间层的单体组合物获得的聚合物上交联, 并且第二聚合物层基于通过聚合85-95重量%的丙烯酸乙基己基酯和/或丙烯酸丁酯的单体组合物获得的聚合物,5-15重量%的丙烯酸,并且第二聚合物层交联而没有 同时加入至少一种环氧环己基衍生物。 版权所有(C)2011,JPO&INPIT

    Crosslinking agent-accelerator system for polyacrylate
    6.
    发明专利
    Crosslinking agent-accelerator system for polyacrylate 审中-公开
    用于聚丙烯酸酯的交联剂加速器系统

    公开(公告)号:JP2013147654A

    公开(公告)日:2013-08-01

    申请号:JP2013007828

    申请日:2013-01-18

    Abstract: PROBLEM TO BE SOLVED: To provide a controlled thermal crosslink.SOLUTION: A problem is solved by providing a crosslinking agent-accelerator system for thermally crosslinking a polyacrylate having a functional group which is suitable for crosslinking reaction with an epoxy group. The crosslinking agent-accelerator system includes: at least one kind of substance (crosslinking agent) having at least one epoxy group; and at least one kind of substance represented by general formula (I) NR[wherein the groups R's mutually independently represent a hydrogen atom or an organic group having 1-20 carbon atoms, and at least one of the groups R's is an organic group which has 1-20 carbon atoms and contains at least one alcoholic OH group].

    Abstract translation: 要解决的问题:提供受控的热交联。解决方案:通过提供用于热交联具有适合于与环氧基交联反应的官能团的聚丙烯酸酯的交联剂 - 促进剂体系来解决问题。 交联剂 - 促进剂体系包括:至少一种具有至少一个环氧基的物质(交联剂); 和由通式(I)NR表示的至少一种物质[其中基团R相互独立地表示氢原子或具有1-20个碳原子的有机基团,并且基团R中的至少一个是有机基团,其中 具有1-20个碳原子并含有至少一个醇OH基]。

    Foam adhesive tape to be adhered to a non-polar surface
    8.
    发明专利
    Foam adhesive tape to be adhered to a non-polar surface 有权
    泡沫胶带贴在非极性表面上

    公开(公告)号:JP2014019875A

    公开(公告)日:2014-02-03

    申请号:JP2013151882

    申请日:2013-07-22

    Abstract: PROBLEM TO BE SOLVED: To provide, as an adhesive tape consisting of a support material and a pressure-sensitive adhesive coated on at least one surface of the support material, an adhesive tape exhibiting favorable adhesive forces atop low-energy surfaces such as automotive coats and automotive paints, resistant to low-temperature impacts, and exhibiting a sufficient cohesiveness even at a high temperature.SOLUTION: The adhesive tape of the present invention includes a support material consisting of an acrylate-based foam layer, and at least one pressure-sensitive adhesive layer is coated atop the former, whereas the pressure-sensitive adhesive of this adhesive tape (d) is constituted by a mixture of at least two types of different synthetic rubbers, above all synthetic rubbers including vinyl-aromatic block copolymers as bases, (e) includes a resin insoluble with the acrylate forming the foam layer, and (f) is not chemically cross-linkable.

    Abstract translation: 要解决的问题:为了提供由支撑材料和涂覆在支撑材料的至少一个表面上的压敏粘合剂组成的胶带,在低能量表面如汽车涂层上表现出良好的粘合力的粘合带 和汽车涂料,耐低温冲击,并且即使在高温下也表现出足够的内聚力。解决方案:本发明的胶带包括由丙烯酸酯基泡沫层组成的载体材料和至少一种压敏粘合剂层, 该粘合带(d)的压敏粘合剂由至少两种不同合成橡胶的混合物构成,其中最重要的是合成橡胶,包括乙烯基 - 芳族嵌段共聚物作为碱, (e)包括与形成泡沫层的丙烯酸不溶的树脂,和(f)不是化学上可交联的。

    Method of manufacturing polyacrylate
    9.
    发明专利
    Method of manufacturing polyacrylate 有权
    制备聚丙烯酸酯的方法

    公开(公告)号:JP2011046943A

    公开(公告)日:2011-03-10

    申请号:JP2010179913

    申请日:2010-08-11

    CPC classification number: C08K5/36 C08F2/38 C08F20/18

    Abstract: PROBLEM TO BE SOLVED: To optimize manufacturing of a polyacrylate for the recovery of a solvent.
    SOLUTION: This method uses an amino acid as a regulator substance, under radical polymerization of a monomer mixture containing at least 70 wt.% of at least one acrylate and/or a methacrylate, and a reaction solution containing one kind or the plurality of kinds of solvents and one kind or a plurality of kinds of monomers, wherein at least 50 wt.% of the solvents is an organic solvent, and wherein at least 70 wt.% of the monomers is the acrylate and/or the methacrylate, and at least one kind of amino acid is additionally exists.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:优化用于回收溶剂的聚丙烯酸酯的制造。 解决方案:该方法在含有至少70重量%的至少一种丙烯酸酯和/或甲基丙烯酸酯的单体混合物和包含一种或多种丙烯酸酯的反应溶液的自由基聚合下,使用氨基酸作为调节剂物质 多种溶剂和一种或多种单体,其中至少50重量%的溶剂是有机溶剂,并且其中至少70重量%的单体是丙烯酸酯和/或甲基丙烯酸酯 ,另外存在至少一种氨基酸。 版权所有(C)2011,JPO&INPIT

    Heat cross-linking polyacrylate and method of producing the same
    10.
    发明专利
    Heat cross-linking polyacrylate and method of producing the same 审中-公开
    热交联聚丙烯酸酯及其制造方法

    公开(公告)号:JP2010126726A

    公开(公告)日:2010-06-10

    申请号:JP2009268146

    申请日:2009-11-25

    CPC classification number: C09J133/08 C08J3/247 C08J2333/08 C09J2201/61

    Abstract: PROBLEM TO BE SOLVED: To provide a processable and thermally cross-linkable polymer from a fused material giving sufficiently a long pot life in comparison with that of a known system cross-linking by heat for processing from the fused material, particularly for a corresponding polymer hot melt. SOLUTION: The process for production of a uniformally cross-linked polymer is performed by addition of at least one cross-linking agent to a fused state polymer, further processing of the polymer from the fused material and induction of a thermal cross-linking reaction with a cross-linking agent, wherein at least a part of the cross-linking reaction is conducted after further processing at a lower temperature than the fusing temperature of the polymer, and the cross-linking agent has at least a bifunctional compound and at least one kind of the bifunctional group represents an oxazoline group, and the polymer has a functional group linkable in a sense of a thermal cross-linking reaction with the oxazoline at a temperature lower than the fusion temperature of the polymer. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种熔融材料的可加工和可热交联的聚合物,与已知的用于加工熔融材料的热交换系统相比,具有足够长的适用期,特别是对于 相应的聚合物热熔。 解决方案:制备均匀交联的聚合物的方法是通过向熔融态聚合物中加入至少一种交联剂,从熔融材料中进一步加工聚合物和诱导热交联聚合物, 与交联剂的交联反应,其中至少一部分交联反应在比聚合物的熔融温度低的温度下进一步处理后进行,并且交联剂具有至少一种双官能化合物和 双官能团中的至少一种表示恶唑啉基,并且该聚合物具有在低于聚合物的熔融温度的温度下与恶唑啉的热交联反应意义上可连接的官能团。 版权所有(C)2010,JPO&INPIT

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