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    • 1. 发明专利
    • Method for producing resin composition
    • 生产树脂组合物的方法
    • JP2012007158A
    • 2012-01-12
    • JP2011117690
    • 2011-05-26
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • WATANABE KENJI
    • C08L23/08C08K7/02C08L23/26
    • C08L23/0869C08J3/201C08J5/046C08J2323/08C08J2323/10C08J2351/06C08L23/10C08L2666/02
    • PROBLEM TO BE SOLVED: To provide a method for producing a resin composition that contains fibers, a polyolefin resin, etc., and that can produce a molding having a light weight and high rigidity and hardness.SOLUTION: The method for producing the resin composition containing 1-100 pts.mass of an ethylene-based copolymer (B) and 5-5,000 pts.mass of a modified polyolefin resin (C) relative to 100 pts.mass of a polyester fiber (A) includes: a melting step of melting the ethylene-based copolymer (B) and the modified polyolefin resin (C); and a compounding step of compounding the molten resin obtained in the melting step with the polyester fiber (A) at a temperature not more than the melting point of the polyester, wherein the content of the ethylene-based copolymer (B) and the content of the modified polyolefin resin (C) satisfy predetermined relational expression.
    • 要解决的问题:提供一种制备含有纤维,聚烯烃树脂等的树脂组合物的方法,并且可以生产具有重量轻且刚性和硬度高的模制品。 解决方案:制备含有1-100重量份乙烯基共聚物(B)和5-5,000重量份改性聚烯烃树脂(C)的树脂组合物相对于100重量份的 聚酯纤维(A)包括:熔融乙烯类共聚物(B)和改性聚烯烃树脂(C)的熔融步骤; 和在熔融步骤中获得的熔融树脂与聚酯纤维(A)在不高于聚酯熔点的温度下混合的配混步骤,其中乙烯基共聚物(B)的含量和 改性聚烯烃树脂(C)满足预定的关系式。 版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • Method for producing resin-molded article
    • 生产树脂模型的方法
    • JP2013256570A
    • 2013-12-26
    • JP2012132600
    • 2012-06-12
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • WATANABE KENJISHIN KENJI
    • C08J5/04C08K7/02C08L101/00
    • PROBLEM TO BE SOLVED: To provide a method for producing a resin-molded article, containing fiber having high fatigue strength.SOLUTION: A method for producing a resin-molded article includes a process of producing a molded article precursor by forming a thermoplastic resin composition containing fiber and a thermoplastic resin and a process of heat-treating the molded article precursor at 50 to 150°C for 0.1 to 23 h to obtain the resin-molded article. Also preferably, the method for producing the resin-molded article is provided with that the number-average fiber length of the fiber in the molded article precursor is 1 to 50 mm. Also preferably, the method for producing the resin-molded article is provided with that the thermoplastic resin composition includes 1 to 70 mass% fiber and 30 to 99 mass% thermoplastic resin.
    • 要解决的问题:提供一种含有具有高疲劳强度的纤维的树脂模塑制品的制造方法。解决方案:一种制备树脂模塑制品的方法包括通过形成热塑性树脂组合物制备模塑制品前体的方法 含有纤维和热塑性树脂的方法以及在50〜150℃下热处理该模塑制品前体0.1至23小时以获得树脂模塑制品的方法。 还优选的是,制造树脂成形品的方法的特征在于,成型品前体中的纤维的数均纤维长度为1〜50mm。 另外,优选上述树脂成型体的制造方法中,热塑性树脂组合物含有1〜70质量%的纤维和30〜99质量%的热塑性树脂。
    • 3. 发明专利
    • Polypropylene resin composition, molded product, component for automotive inner panel, automotive engine cover, and automotive fan shroud
    • 聚丙烯树脂组合物,模制产品,汽车内饰板组件,汽车发动机罩和汽车风扇
    • JP2013151601A
    • 2013-08-08
    • JP2012012786
    • 2012-01-25
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • WATANABE KENJISHIN KENJIHAMA HISAKATSU
    • C08L23/12C08K7/02C08L23/08C08L23/26
    • PROBLEM TO BE SOLVED: To provide a polypropylene resin composition which can provide a molded product with excellent fatigue strength and impact resistance, and a molded product including the resin composition.SOLUTION: A polypropylene resin composition includes: a fiber; the following polypropylene resin; an ethylene copolymer (C) having glycidyl; and a modified polyolefin resin (D) modified with a compound selected from a group consisting of unsaturated carboxylic acids and unsaturated carboxylic derivatives. Relative to 100 pts.mass of the fiber, the content of the polypropylene resin is 120-900 pts.mass, and the total content of the ethylene copolymer (C) and the modified polyolefin resin (D) is 5-200 pts.mass. The composition satisfies the following requirement (1). Requirement (1): The ethylene copolymer (C) and the modified polyolefin resin (D) satisfy the following expression (1). 0.02≤(Dx.Dy)/(Cx.Cy)≤3.0 (1).
    • 要解决的问题:提供一种能够提供具有优异的疲劳强度和耐冲击性的成型体的聚丙烯树脂组合物,以及包含该树脂组合物的成型体。解决方案:聚丙烯树脂组合物,包括:纤维; 以下聚丙烯树脂; 具有缩水甘油基的乙烯共聚物(C) 和用选自不饱和羧酸和不饱和羧酸衍生物的化合物改性的改性聚烯烃树脂(D)。 相对于纤维100微米,聚丙烯树脂的含量为120-900磅,乙烯共聚物(C)和改性聚烯烃树脂(D)的总含量为5-200磅 。 该组成满足以下要求(1)。 要求(1):乙烯共聚物(C)和改性聚烯烃树脂(D)满足下式(1)。 0.02≤(Dx.Dy)/(Cx.Cy)≤3.0(1)。
    • 4. 发明专利
    • Method of molding foamed molded body
    • 模制泡沫模体的方法
    • JP2011189557A
    • 2011-09-29
    • JP2010055891
    • 2010-03-12
    • Honda Motor Co LtdSumitomo Chemical Co Ltd住友化学株式会社本田技研工業株式会社
    • YAMAMOTO HIRONARIUSUI NOBUHIROSHIN KENJIWATANABE KENJITAKEUCHI ATSUSHI
    • B29C45/00B29C45/27B29C45/28B29K23/00B29K105/08B29L31/58
    • PROBLEM TO BE SOLVED: To provide a foamed molded body having excellent appearance and impact resistance and a method of molding the foamed molded body.
      SOLUTION: The method of molding the foamed molded body for an automobile component includes: a melting process of melting a fiber-reinforced polyolefin resin composition; a dissolving process of dissolving a physical foaming agent in the fiber-reinforced polyolefin resin composition in the molten state; a filling process of filling the fiber-reinforced polyolefin resin composition in a die cavity of a die for injection molding including a fixed side die, a movable side die coming into contact with the fixed side die and forming the die cavity between the movable die and the fixed die, a runner supplying molten resin to inside of the die cavity and a gate part having a runner side opening and a die cavity side opening and satisfying predetermined requirements; and a foaming process of increasing the volume of the die cavity by opening the die for injection molding by predetermined amount and foaming the fiber-reinforced polyolefin resin composition.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供具有优异的外观和耐冲击性的发泡成型体以及模制发泡成型体的方法。 解决方案:汽车部件用发泡成形体的成型方法包括:熔融纤维增强聚烯烃树脂组合物的熔融过程; 将物理发泡剂溶解在熔融状态的纤维增强聚烯烃树脂组合物中的溶解过程; 将纤维增强聚烯烃树脂组合物填充到注塑用模具的模腔中的填充工序,包括固定侧模具,与固定侧模具接触的可动侧模具,并在活动模具和 固定模具,向模腔内部供给熔融树脂的浇道和具有流道侧开口和模腔侧​​面开口并且满足预定要求的浇口部分; 以及通过以预定量打开注射模具并使纤维增强聚烯烃树脂组合物发泡来增加模腔体积的发泡方法。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Polyolefin resin composition containing nanostructured hollow carbon material and its molded product
    • 含有纳米结构的中空碳材料的聚烯烃树脂组合物及其成型产品
    • JP2010007062A
    • 2010-01-14
    • JP2009127495
    • 2009-05-27
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • WATANABE KENJISHIN KENJI
    • C08L23/10C01B31/02C08K7/22
    • PROBLEM TO BE SOLVED: To provide a polypropylene resin composition containing a nanostructured hollow carbon material, which provides molded products having magnetism and excellent stiffness by uniformly mixing a nanostructured hollow carbon material having a metal with a polypropylene-based resin.
      SOLUTION: A polypropylene resin composition is provided which contains 1-30 wt.% of a nanostructured hollow carbon material containing a metal and 70-99 wt.% of a polypropylene resin (wherein, both of the content of the nanostructured hollow carbon material and the content of the polypropylene resin are based on the total amount of the nanostructured hollow carbon material and the polypropylene resin).
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种含有纳米结构的中空碳材料的聚丙烯树脂组合物,其通过将具有金属的纳米结构的中空碳材料与聚丙烯类树脂均匀混合而提供具有磁性和优异刚度的成型产品。 解决方案:提供一种聚丙烯树脂组合物,其包含1-30重量%的含有金属的纳米结构的中空碳材料和70-99重量%的聚丙烯树脂(其中,纳米结构空心的两个含量 碳材料和聚丙烯树脂的含量基于纳米结构的中空碳材料和聚丙烯树脂的总量)。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Polypropylene resin composition and foamed molded product made of the same
    • 聚丙烯树脂组合物及其相同的泡沫塑料制品
    • JP2013163703A
    • 2013-08-22
    • JP2012026035
    • 2012-02-09
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • WATANABE KENJI
    • C08L23/12C08J9/04C08K9/06C08L23/08C08L23/16C08L45/00C08L51/06
    • PROBLEM TO BE SOLVED: To provide a polypropylene resin composition capable of obtaining a foamed molded product having excellent dynamic properties and heat resistance and hardly causing protrusion of fibers or silver streaks on its surface, and a foamed molded product made of the resin composition.SOLUTION: A polypropylene resin composition consists of: 30-70 pts.wt. of a propylene copolymer (A) consisting of a propylene homopolymer component and a propylene-ethylene copolymer component and having a melt flow rate of 50-120 g/10min; 5-25 pts.wt. of an ethylene-α-olefin copolymer (B); 1-10 pts.wt. of a modified polyolefin resin (C) modified by a compound selected from the group consisting of unsaturated carboxylic acids and unsaturated carboxylic acid derivatives with a graft efficiency of ≥0.65; 1-10 pts.wt. of a terpene resin (D) with a glass transition temperature (Tg) of 100°C or lower; and 10-30 pts.wt. of glass fibers (E) wherein the surfaces are treated with a silane coupling agent.
    • 要解决的问题:提供一种能够获得具有优异的动态性能和耐热性且难以引起其表面上的纤维或银条纹突出的发泡成型体的聚丙烯树脂组合物,以及由该树脂组合物制成的发泡成型体。 :聚丙烯树脂组合物:30-70重量份 由丙烯均聚物组分和丙烯 - 乙烯共聚物组分组成的丙烯共聚物(A),熔体流动速率为50-120g / 10min; 5-25磅 的乙烯-α-烯烃共聚物(B); 1-10磅 的通过选自不饱和羧酸和不饱和羧酸衍生物的化合物改性的改性聚烯烃树脂(C),接枝效率≥0.65; 1-10磅 的玻璃化转变温度(Tg)为100℃以下的萜烯树脂(D) 和10-30重量 的玻璃纤维(E),其中表面用硅烷偶联剂处理。
    • 10. 发明专利
    • Process for producing resin molded body
    • 生产树脂模制体的方法
    • JP2012106489A
    • 2012-06-07
    • JP2011228648
    • 2011-10-18
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • WATANABE KENJIDOBASHI TETSURO
    • B29C45/00B29K105/08
    • B29C45/0005B29C45/77B29K2995/0089C08J5/046C08J2323/08C08J2323/14C08J2423/14
    • PROBLEM TO BE SOLVED: To provide a process for producing a resin composition molded body, which is capable of producing the molded body containing an organic fiber and a thermoplastic resin and having high impact strength.SOLUTION: The process for producing a resin molded body comprises: a plasticizing step of plasticizing a resin composition containing the organic fiber and the thermoplastic resin using an injection-molding machine; an injecting step of injecting the resin composition plasticized by the plasticizing step into a mold cavity of the injection-molding machine; and a pressure-holding step of pressure-holding the resin composition injected in the mold cavity for a pressure-holding time of 0.5 to 60 seconds under holding-pressure of 70 to 300 MPa.
    • 待解决的问题:提供一种能够制造含有有机纤维和热塑性树脂并且具有高冲击强度的成型体的树脂组合物成型体的制造方法。 解决方案:树脂成型体的制造方法包括:使用注射成型机使包含有机纤维和热塑性树脂的树脂组合物增塑的增塑步骤; 将通过塑化步骤增塑的树脂组合物注入到注射成型机的模腔中的注入步骤; 以及在保持压力为70〜300MPa下,将注入到模腔中的树脂组合物压力保持时间为0.5〜60秒的压力保持步骤。 版权所有(C)2012,JPO&INPIT