Thermoplastic elastomer composition, foam using the same and method for producing the foam
    31.
    发明专利
    Thermoplastic elastomer composition, foam using the same and method for producing the foam 有权
    热塑性弹性体组合物,使用它们的泡沫和生产泡沫的方法

    公开(公告)号:JP2010159321A

    公开(公告)日:2010-07-22

    申请号:JP2009001068

    申请日:2009-01-06

    Abstract: PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition having a three-dimensional network structure not based on chemical crosslinking, and excellent in fluidity, softener retentivity, foaming property, elastic recovery property and flexibility. SOLUTION: In the thermoplastic elastomer composition, a crystalline polyethylene resin (B) and a hydrogenated block copolymer (C) having specific blocks form a three-dimensional network structure in a matrix comprising an oil-extended ethylene copolymer (A). An ethylene copolymer in the oil-extended ethylene copolymer (A) has intrinsic viscosity [η] measured in a decalin solvent at 135°C of 5.5-9.0 dL/g and a weight-average molecular weight (Mw) to number-average molecular weight (Mn) ratio (Mw/Mn) of ≤3. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 解决问题的方法:提供一种不具有化学交联的三维网状结构的热塑性弹性体组合物,流动性,软化剂保持性,发泡性,弹性回复性,柔软性优异。 解决方案:在热塑性弹性体组合物中,具有特定嵌段的结晶聚乙烯树脂(B)和氢化嵌段共聚物(C)在包含油延伸乙烯共聚物(A)的基体中形成三维网状结构。 油扩展乙烯共聚物(A)中的乙烯共聚物在135℃的萘烷溶剂中测定的特性粘度[η]为5.5〜9.0dL / g,重均分子量(Mw)与数均分子量 重量(Mn)比(Mw / Mn)≤3。 版权所有(C)2010,JPO&INPIT

    Method of molding foamed molded article and foamed molded article
    32.
    发明专利
    Method of molding foamed molded article and foamed molded article 审中-公开
    模制泡沫塑料制品和泡沫塑料制品的方法

    公开(公告)号:JP2010126577A

    公开(公告)日:2010-06-10

    申请号:JP2008300746

    申请日:2008-11-26

    Abstract: PROBLEM TO BE SOLVED: To provide a method of molding a foamed molded article which subjects a thermoplastic elastomer composition excellent in moldability to foam molding. SOLUTION: The method of molding a foamed molded article includes a step of subjecting a thermoplastic elastomer composition which contains an oil extended ethylenic polymer (A) including 50-150 pts.mass first mineral oil based softening material based on 100 pts.mass ethylenic copolymer, a crystalline polyethylene based resin (B), a hydrogenated block copolymer (C), and a ≥3C α-olefinic resin (D) and has a melt tension at 210°C at a take-off speed of 2 m/min of less than 3.0 gf to foam molding with at least one selected from the group consisting of a chemical blowing agent, a gas, and a supercritical fluid and uses an ethylenic copolymer having an intrinsic viscosity [η] measured in a decalin solvent at 135°C of 5.5-9.0 dl/g and a value of the ratio (Mw/Mn) of the weight-average molecular weight (Mw) to the number-average molecular weight (Mn) of not greater 3 as the ethylenic copolymer of the oil extended ethylenic copolymer (A). COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种使成型性优异的热塑性弹性体组合物发泡成型的发泡成型体的成型方法。 解决方案:成型发泡成型体的方法包括以100重量份对包含50-150重量份的第一矿物油基软化材料的含油延伸乙烯性聚合物(A)的热塑性弹性体组合物进行处理的步骤。 质量乙烯类共聚物,结晶性聚乙烯类树脂(B),氢化嵌段共聚物(C)和≥3Cα-烯烃树脂(D),并且在210℃的起飞速度为2m时具有熔体张力 /分钟小于3.0gf,使用选自化学发泡剂,气体和超临界流体中的至少一种发泡成型,并使用在十氢化萘溶剂中测定的特性粘度[η]的乙烯类共聚物 135℃为5.5-9.0dl / g,重均分子量(Mw)与数均分子量(Mn)的比(Mw / Mn)不大于3的乙烯类共聚物 油延伸乙烯共聚物(A)。 版权所有(C)2010,JPO&INPIT

    Thermoplastic elastomer composition, foam and method for producing foam
    33.
    发明专利
    Thermoplastic elastomer composition, foam and method for producing foam 有权
    热塑性弹性体组合物,泡沫和生产泡沫的方法

    公开(公告)号:JP2009235241A

    公开(公告)日:2009-10-15

    申请号:JP2008083332

    申请日:2008-03-27

    Abstract: PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition excellent in fluidity, rubber elasticity and foaming property, from which a foam having a high expansion ratio, rich in closed cells, uniform in cell shape and excellent in rubber elasticity, flexibility and surface appearance, is obtained. SOLUTION: The thermoplastic elastomer composition is obtained by subjecting a mixture comprising (A) an oil extended ethylenic copolymer comprising 100 parts by mass of a specific ethylenic copolymer and 50-150 parts by mass of a mineral oil-based softener and (B) at least one of (B-1) a thermoplastic resin and (B-2) a thermoplastic resin composition to a dynamic heat treatment in the presence of (C) a crosslinking agent. The thermoplastic elastomer composition has a melt tension of ≥5.0 cN as measured at 210°C and a drawing rate of 2.0 m/min, and has a compression set of ≤80% as measured at 70°C in 22 h in conformity to JIS K6262. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 解决问题:为了提供流动性,橡胶弹性和发泡性优异的热膨胀弹性体组合物,具有膨胀比高,密闭细胞浓度高,泡孔形状均匀,橡胶弹性优异的弹性 并获得表面外观。 解决方案:热塑性弹性体组合物是通过使包含(A)含有100质量份特定乙烯类共聚物的油扩展乙烯类共聚物和50〜150质量份矿物油系软化剂的(A) B)在(C)交联剂存在下进行动态热处理的(B-1)热塑性树脂和(B-2)热塑性树脂组合物中的至少一种。 热塑性弹性体组合物的熔融张力在210℃,拉伸速度为2.0m / min时测定为≥5.0cN,并且在70℃,22小时内按JIS测定的压缩永久变形量≤80% K6262。 版权所有(C)2010,JPO&INPIT

    Production method for thermoplastic elastomeric composition
    34.
    发明专利
    Production method for thermoplastic elastomeric composition 审中-公开
    热塑性弹性体组合物的生产方法

    公开(公告)号:JP2009052057A

    公开(公告)日:2009-03-12

    申请号:JP2008312482

    申请日:2008-12-08

    Abstract: PROBLEM TO BE SOLVED: To provide a production method for a thermoplastic elastomer composition excellent in flexibility, moldability and surface appearance and capable of forming a foam having high expansion ratio, high independently-foaming property and homogeneous expansion foam shape and being excellent in rubber elasticity, flexibility and surface appearance. SOLUTION: This production method for a thermal elastomer composition comprises: subjecting to a dynamic thermal treatment, a mixture containing (A) a rubber, (B-1-b) an α-olefin-based crystalline thermoplastic resin and/or α-olefin-based amorphous thermoplastic resin having a melt strength of less than 3.0 cN at 210°C and at a drawing rate of 2.0 m/min in the presence of (C) a crosslinker; and adding to the resultant reaction mixture, (B-1-a) a thermoplastic resin having a melt strength of 3.0 cN or more at 210°C and at a drawing rate of 2.0 m/min and/or (B-2-a) a thermoplastic resin composition a melt strength of 3.0 cN or more at 210°C and at a drawing rate of 2.0 m/min. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 解决问题的方案:提供一种柔软性,成形性和表面外观优异的热塑性弹性体组合物的制造方法,能够形成发泡倍率高,独立发泡性和均匀膨胀泡沫形状的泡沫,并且优异 在橡胶弹性,柔韧性和表面外观。 解决方案:热弹性体组合物的制造方法包括:进行动态热处理,含有(A)橡胶,(B-1-b)α-烯烃系结晶性热塑性树脂和/或 在(C)交联剂的存在下,在210℃和拉伸速度2.0m / min下熔融强度小于3.0cN的α-烯烃类非晶态热塑性树脂; 向所得反应混合物中加入(B-1-a)在210℃,拉伸速度2.0m / min下熔融强度为3.0cN以上的热塑性树脂和/或(B-2-a )热塑性树脂组合物,在210℃和2.0m / min的拉伸速度下的熔融强度为3.0cN以上。 版权所有(C)2009,JPO&INPIT

    Thermoplastic elastomer composition and method for producing the same
    35.
    发明专利
    Thermoplastic elastomer composition and method for producing the same 有权
    热塑性弹性体组合物及其制造方法

    公开(公告)号:JP2007211184A

    公开(公告)日:2007-08-23

    申请号:JP2006034326

    申请日:2006-02-10

    Abstract: PROBLEM TO BE SOLVED: To provide a method for stably producing a thermoplastic elastomer composition which is excellent in a balance between mechanical characteristics such as flexibility and elastic recovery and molding processability. SOLUTION: This method for producing the thermoplastic elastomer composition, comprising supplying a raw material composition comprising an un-cross-linked rubber, a thermoplastic resin, and a cross-linking agent into a raw material introduction portion of the continuous counter-rotating twin-screw kneader of an extruder manufactured by disposing the continuous counter-rotating twin-screw kneader on the upper flow side and a corotating twin-screw extruder on the downstream side in series, thereby mixing and dispersing the raw material composition with the continuous counter-rotating twin-screw kneader, and then supplying the kneaded product to the corotating twin-screw extruder with the continuous counter-rotating twin-screw kneader to produce the dynamically cross-linked thermoplastic elastomer composition, is characterized in that the cross-link degree Z of a cross-linked polymer component in the kneaded product at the exit of the extruder is 80 to 100%, and the cross-link degree Zi of a cross-linked polymer component in the kneaded product at the exit of the kneader is ≤85% of the cross-link degree Z. COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 解决问题的方案:提供一种稳定地制造弹性和弹性回复等机械特性与成型加工性的平衡优异的热塑性弹性体组合物的方法。 解决方案:该热塑性弹性体组合物的制造方法包括将未交联橡胶,热塑性树脂和交联剂的原料组合物供给到连续的反 - 通过在上游侧设置连续的反向旋转双螺杆捏合机和下游侧的共转化双螺杆挤出机串联制造的挤出机的旋转双螺杆捏合机,由此将原料组合物与连续的 反向旋转双螺杆捏合机,然后用连续逆向旋转双螺杆捏合机将捏合产物供给到共旋转双螺杆挤出机中,以生产动态交联的热塑性弹性体组合物,其特征在于交联 挤出机出口处的捏合物中交联聚合物成分的Z度为80〜100%,交联度Z 捏合机出口处捏合产物中的交联聚合物组分的i为交联度Z的85%。版权所有(C)2007,JPO&INPIT

    Thermoplastic elastomer composition and method for producing the same
    36.
    发明专利
    Thermoplastic elastomer composition and method for producing the same 有权
    热塑性弹性体组合物及其制造方法

    公开(公告)号:JP2006124538A

    公开(公告)日:2006-05-18

    申请号:JP2004315596

    申请日:2004-10-29

    Abstract: PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition having high strength and together having excellent rubber elasticity, heat resistance, and oil resistance. SOLUTION: This thermoplastic elastomer composition is formed by dynamically heat-treating a mixture containing (A) a thermoplastic resin and (B) an acrylic rubber in the presence of a crosslinking agent, wherein the thermoplastic resin (A) has a melting point of ≥ 160°C and the acrylic rubber (B) comprises (B1) structural units derived from an acrylic acid alkyl ester monomer and/or an acrylic acid alkoxyalkyl ester monomer in an amount of 20-99.99 mass%, (B2) structural units derived from a monomer having a carbon-carbon double bond in its side chain in an amount of 0.01-20 mass%, (B3) structural units derived from an unsaturated acrylonitrile monomer in an amount of 0-40 mass%, and (B4) structural units derived from a monomer copolymerizable with the above monomers in an amount of 0-30 mass% (provided that the components are contained by satisfying: (B1)+(B2)+(B3)+(B4)=100 mass%). COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:提供一种具有高强度并且一起具有优异的橡胶弹性,耐热性和耐油性的热塑性弹性体组合物。 解决方案:该热塑性弹性体组合物通过在交联剂存在下动态热处理含有(A)热塑性树脂和(B)丙烯酸类橡胶的混合物而形成,其中热塑性树脂(A)具有熔融 (B)由丙烯酸烷基酯单体和/或丙烯酸烷氧基烷基酯单体衍生的结构单元,其量为20-99.99质量%,(B2)结构 衍生自其侧链中碳碳双键的单体的量为0.01-20质量%的单元,(B3)衍生自不饱和丙烯腈单体的结构单元的量为0〜40质量%的单元和(B4 )(以上述单体可以与0〜30质量%的量共聚的单体得到的结构单元)(前提条件是满足:(B1)+(B2)+(B3)+(B4)= 100质量% )。 版权所有(C)2006,JPO&NCIPI

    Weather strip for automobile
    37.
    发明专利
    Weather strip for automobile 审中-公开
    天气条纹汽车

    公开(公告)号:JP2005146136A

    公开(公告)日:2005-06-09

    申请号:JP2003386315

    申请日:2003-11-17

    Abstract: PROBLEM TO BE SOLVED: To obtain a weather strip for automobiles which has a very small permanent compression set, exhibits oil resistance and scratch resistance and gives good external appearances. SOLUTION: The weather strip for automobiles is obtained by electron beam irradiation of a foam mainly composed of a thermoplastic elastomer composition which comprises an ethylene-α-olefin copolymer (1) forming a matrix, and a crystalline polyethylene resin (2) and a conjugated diene block copolymer (3) forming a three-dimensional network structure in the matrix. COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题:为了获得具有非常小的永久压缩永久变形的汽车用耐候条,具有耐油性和耐刮擦性,并且具有良好的外观。 解决方案:通过电子束照射主要由包含形成基体的乙烯-α-烯烃共聚物(1)和结晶聚乙烯树脂(2)的热塑性弹性体组合物组成的泡沫体获得汽车防风条, 和在基质中形成三维网状结构的共轭二烯嵌段共聚物(3)。 版权所有(C)2005,JPO&NCIPI

    THERMOPLASTIC ELASTOMER COMPOSITION FOR HEAT FUSION BONDING AND MOLDED ARTICLE

    公开(公告)号:JP2003171511A

    公开(公告)日:2003-06-20

    申请号:JP2001369528

    申请日:2001-12-04

    Applicant: JSR CORP

    Abstract: PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition for heat fusion bonding which excels in injection heat fusion bonding properties and has high adhesive strength to adherends of both an olefin-based vulcanized rubber and an olefin-based thermoplastic elastomer by dynamically heat treating a mixture containing an ethylene-α-olefin random copolymer and an olefin resin in the presence of a specified crosslinking auxiliary. SOLUTION: The thermoplastic elastomer composition for heat fusion bonding can be obtained by adding (g) 0.3-100 pts.wt. maleimide compound to 100 pts.wt. sum of (a) the ethylene-α-olefin random copolymer, (b) the olefin resin, and (e) a softening agent and dynamically heat treating the resulting mixture in dynamically heat treating a mixture containing (a) the ethylene-α-olefin random copolymer, (b) the olefin resin, and (e) the softening agent in the presence of (f) an organic peroxide. COPYRIGHT: (C)2003,JPO

    Foaming molded article, electroconductive molded article and method for manufacturing the same
    39.
    发明专利
    Foaming molded article, electroconductive molded article and method for manufacturing the same 有权
    泡沫成型制品,电焊模制品及其制造方法

    公开(公告)号:JP2011026589A

    公开(公告)日:2011-02-10

    申请号:JP2010150132

    申请日:2010-06-30

    Abstract: PROBLEM TO BE SOLVED: To provide a foaming molded article which can be easily molded, has proper rubber elasticity, is excellent in a recyclable nature and a recovering ratio from a compression state and further exhibits electroconductivity when properly compressed.
    SOLUTION: The foaming molded article contains (A) a polymer component which has sea-island structure comprising an (a-1) α-olefin thermoplastic resin as a sea phase and an (a-2) rubber component as an island phase and (B) an electroconductive filler. A volume ratio of the (a-1) α-olefin thermoplastic resin to the (B) electroconductive filler ((a-1)/(B)) is 100/5 to 100/100. A number average cell diameter of foamed cells is 10 to 200 μm and coefficient of variation (Cv) of the number average cell diameter is 0.1 to 1.0.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 解决问题的方案:为了提供易于成型的发泡成型体,具有适当的橡胶弹性,可回收性优异,压缩状态下的回收率优良,在适当压缩时还具有导电性。 解决方案:发泡成型体含有(A)具有包含(a-1)α-烯烃热塑性树脂作为海相和(a-2)橡胶组分作为岛的海岛结构的聚合物组分 相和(B)导电填料。 (a-1)α-烯烃热塑性树脂与(B)导电填料((a-1)/(B))的体积比为100/5〜100/100。 发泡孔的数均孔数为10〜200μm,数均粒径的变异系数(Cv)为0.1〜1.0。 版权所有(C)2011,JPO&INPIT

    Adhesive thermoplastic elastomer composition, composite molded article of the same and method for producing the same
    40.
    发明专利
    Adhesive thermoplastic elastomer composition, composite molded article of the same and method for producing the same 审中-公开
    粘合热塑性弹性体组合物及其制造方法

    公开(公告)号:JP2006052277A

    公开(公告)日:2006-02-23

    申请号:JP2004233899

    申请日:2004-08-10

    Abstract: PROBLEM TO BE SOLVED: To provide a flexible adhesive thermoplastic elastomer composition capable of adhering (joining) to a non-olefinic hard resin by direct injection molding without using adhesive, excellent in rubber elasticity, and to provide a composite molded article having a flexible layer on at least a part of the surface and to provide a method for producing the same. SOLUTION: The invention relates to the adhesive thermoplastic elastomer composition comprising (i) 20-80% by mass of dynamic crosslinking or noncrosslinking type olefin based thermoplastic elastomer composition, (ii) 80-20% by mass of a thermoplastic elastomer block copolymer comprising a block copolymer segment comprising an aromatic vinyl compound based polymer block and a conjugated diene based polymer block and/or a hydrogenated segment of the block copolymer, a thermoplastic polyurethane segment or a polycarbonate segment, wherein the composition has a durometer hardness of at least 90A specified in JIS K6253. COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:提供一种能够通过直接注射成型而不使用粘合剂粘附(接合)非烯烃硬质树脂的柔性粘合性热塑性弹性体组合物,并且提供具有优异的橡胶弹性的复合成型体,并且提供具有 在表面的至少一部分上的柔性层,并提供其制造方法。 本发明涉及粘合性热塑性弹性体组合物,其包含(i)20〜80质量%的动态交联型或非交联型烯烃系热塑性弹性体组合物,(ii)80〜20质量%的热塑性弹性体嵌段 共聚物,其包含嵌段共聚物链段,其包含芳族乙烯基化合物基聚合物嵌段和共轭二烯基聚合物嵌段和/或嵌段共聚物的氢化链段,热塑性聚氨酯链段或聚碳酸酯链段,其中所述组合物的硬度为硬度 JIS K6253规定的最小90A。 版权所有(C)2006,JPO&NCIPI

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