Copolymer, rubber composition using the same, and tire
    54.
    发明专利
    Copolymer, rubber composition using the same, and tire 审中-公开
    共聚物,使用它们的橡胶组合物和轮胎

    公开(公告)号:JP2013237864A

    公开(公告)日:2013-11-28

    申请号:JP2013171782

    申请日:2013-08-21

    Abstract: PROBLEM TO BE SOLVED: To provide: a copolymer in which dispersibility of a filler such as carbon black and silica can be improved when being used for a part of a rubber composition; the rubber composition that includes the copolymer, in which processability is excellent when being combined, being molded and being subjected to vulcanization, that has excellent rolling resistance performance and abrasion resistance, and that can control decrease of mechanical strength and hardness; and a tire using the rubber composition.SOLUTION: A copolymer contains a monomer unit (a) derived from isoprene, and a monomer unit (b) derived from farnesene. A method for producing the copolymer involving copolymerization of at least isoprene and farnesene. A rubber composition contains the copolymer (A), a rubber component (B) and carbon black (C). A rubber composition contains the copolymer (A), a rubber component (B) and silica (D). A rubber composition contains the copolymer (A), a rubber component (B), carbon black (C) and silica (D). A tire has at least one part where the rubber composition is used.

    Abstract translation: 要解决的问题:提供:当用于橡胶组合物的一部分时,其中可以改善填料如炭黑和二氧化硅的分散性的共聚物; 包含共聚物的橡胶组合物,其组合时的加工性优异,被成型并经受硫化,具有优异的滚动阻力性能和耐磨性,并且可以控制机械强度和硬度的降低; 和使用该橡胶组合物的轮胎。溶液:共聚物含有源自异戊二烯的单体单元(a)和衍生自法呢烯的单体单元(b)。 一种制备共聚物的方法,其涉及至少异戊二烯与法呢烯的共聚。 橡胶组合物含有共聚物(A),橡胶组分(B)和炭黑(C)。 橡胶组合物含有共聚物(A),橡胶组分(B)和二氧化硅(D)。 橡胶组合物含有共聚物(A),橡胶组分(B),炭黑(C)和二氧化硅(D)。 轮胎具有使用橡胶组合物的至少一部分。

    Abrasive pad and manufacturing method therefor
    59.
    发明专利
    Abrasive pad and manufacturing method therefor 有权
    研磨垫及其制造方法

    公开(公告)号:JP2013089767A

    公开(公告)日:2013-05-13

    申请号:JP2011228987

    申请日:2011-10-18

    Abstract: PROBLEM TO BE SOLVED: To provide an abrasive pad which ensures excellent polishing rate and polishing uniformity by improving the problem of scratch occurring when using a conventional hard (dry) abrasive pad, and can deal with not only the primary polishing but also the finish polishing, and to provide a manufacturing method therefor.SOLUTION: In the abrasive pad for polishing a semiconductor device including an abrasive layer which has a polyurethane polyurea resin molding containing substantially spherical bubbles, independent bubble ratio of the polyurethane polyurea resin molding is 60-98%, the ratio (loss modulus/storage modulus) tanδ of the loss modulus E" to the storage modulus E' of the polyurethane polyurea resin molding is 0.15-0.30, the storage modulus E' is 1-100 MPa, and the density D of the polyurethane polyurea resin molding is 0.4-0.8 g/cm.

    Abstract translation: 要解决的问题:提供一种研磨垫,其通过改善使用常规硬(干)研磨垫时的划痕问题,确保优异的抛光速率和抛光均匀性,并且不仅可以处理初次抛光,而且还可以处理 精抛光,并提供其制造方法。 解决方案:在用于抛光包括具有包含基本上球形的气泡的聚氨酯聚脲树脂模制物的研磨层的半导体器件的研磨垫中,聚氨酯聚脲树脂模塑件的独立气泡比为60-98%,所述比(损耗模量 /储能模量)tanδ与聚氨酯聚脲树脂成型体的储能模量E'相比为0.15-0.30,储能模量E'为1-100MPa,聚氨酯聚脲树脂成型体的密度D为 (C)2013,JPO和INPIT

    Casting epoxy resin composition and electric appliance using the same
    60.
    发明专利
    Casting epoxy resin composition and electric appliance using the same 有权
    浇铸环氧树脂组合物和使用它的电器

    公开(公告)号:JP2013035899A

    公开(公告)日:2013-02-21

    申请号:JP2011171051

    申请日:2011-08-04

    Abstract: PROBLEM TO BE SOLVED: To provide a casting epoxy resin composition superior in flowability as well as in thermal conductivity.SOLUTION: The casting epoxy resin composition is characterized by containing: an epoxy resin showing a liquid state at room temperature and having two or more epoxy groups per molecule; an epoxy resin curing agent showing a liquid state at room temperature; a plate-like inorganic filler; and a spherical alumina filler. The plate-like inorganic filler and spherical inorganic filler have two or more maximal points in a particle distribution as a whole, and the mass ratio of the plate-like inorganic filler is 5-20 mass% of the total mass of the inorganic filler, the total mass being obtained by totalizing the masses of the plate-like inorganic filler and spherical inorganic filler combined together.

    Abstract translation: 待解决的问题:提供流动性以及导热性优异的铸塑环氧树脂组合物。 < P>解决方案:浇铸环氧树脂组合物的特征在于包含:在室温下显示液态并且每分子具有两个或更多个环氧基的环氧树脂; 在室温下显示液态的环氧树脂固化剂; 板状无机填料; 和球形氧化铝填料。 板状无机填料和球状无机填料在粒子分布整体上具有两个以上的最大点,板状无机填料的质量比为无机填料总质量的5〜20质量% 通过将板状无机填料和球形无机填料的质量合并在一起而获得的总质量。 版权所有(C)2013,JPO&INPIT

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