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    • 2. 发明专利
    • Method for manufacturing injection molded product, and method for improving weld appearance of injection molded product
    • 注射成型制品的制造方法和改进注射成型制品的焊接外观的方法
    • JP2013209448A
    • 2013-10-10
    • JP2012078958
    • 2012-03-30
    • Japan Polypropylene Corp日本ポリプロ株式会社
    • OKADA YASUSHITOMONO YOSHIHIROYOSHIDA TOSHIHIRO
    • C08L23/10C08K7/06
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing an injection molded product composed of a propylene resin composition, and a method for improving the weld appearance of an injection molded product.SOLUTION: In a method for manufacturing an injection molded product which is obtained from a polypropylene resin composition (C) containing, relative to 100 pts.wt. of a polypropylene resin (A), 0.1-10 pts.wt. of a radiant material (B), the radiant material (B), preferably, aluminum particles have a flake form having an aspect ratio (average long diameter/average thickness) of 20-100, the mold temperature in injection molding is in the range of -5 to 170°C relative to crystallization temperature (Tc) of the proplylene resin composition (C). A method for improving the weld appearance of an injection molded product or the like is also provided.
    • 要解决的问题:提供一种由丙烯树脂组合物制成的注塑产品的制造方法和改进注射成型产品的焊接外观的方法。解决方案:在获得的注塑产品的制造方法中 来自聚丙烯树脂组合物(C),相对于100重量份 的聚丙烯树脂(A),0.1-10重量份 辐射材料(B)中,辐射材料(B)优选铝颗粒具有长度比(平均长径/平均厚度)为20-100的片状,注射成型中的模具温度在 相对于原料树脂组合物(C)的结晶温度(Tc)为-5〜170℃。 还提供了一种用于改善注塑产品等的焊接外观的方法。
    • 3. 发明专利
    • Foam molding body obtained by foaming polypropylene-based resin composition
    • 通过基于聚丙烯的树脂组合物获得的泡沫成型体
    • JP2011236373A
    • 2011-11-24
    • JP2010110752
    • 2010-05-13
    • Japan Polypropylene Corp日本ポリプロ株式会社
    • YOSHIDA TOSHIHIROTOMONO YOSHIHIROOKADA YASUSHIFUKUNAGA SHOICHI
    • C08J9/04
    • PROBLEM TO BE SOLVED: To provide a foam molding body which is obtained using a novel polypropylene-based resin composition that has excellent moldability (injection molding, injection stamping) and is excellent in physical property balance (high rigidity, impact absorption energy) and is used as various industrial components and automobile components, especially automobile interior components.SOLUTION: There is provided the foam molding body obtained by foaming the polypropylene-based resin composition comprising, based on 100 pts.wt. of the following component (a): propylene-ethylene-block copolymer, 1-80 pts.wt. of a component (b): propylene-ethylene-block copolymer and 0.1-10 pts.wt. of a component (c): foaming agent. Component (a) is a propylene-ethylene-block copolymer with 70-80 wt.% of a crystalline polypropylene homopolymer moiety (A unit moiety) and 20-30 wt.% of an ethylene-propylene-random copolymer moiety (B unit moiety), in which the melt flow rate (230°C, 2.16 kg load) is 10-130 g/10 min; component (b) is a propylene-ethylene-block copolymer with 15-55 wt.% of a crystalline polypropylene homopolymer moiety (A unit moiety) and 45-85 wt.% of an ethylene-propylene-random copolymer moiety (B unit moiety), in which the melt flow rate (230°C, 2.16 kg load) is 0.1-40 g/10 min; and component (c) is a foaming agent.
    • 要解决的问题:提供一种使用具有优异的成型性(注射成型,注射冲压)并且物理性能平衡优异(高刚性,冲击吸收能量)的新型聚丙烯类树脂组合物获得的发泡成型体 ),用作各种工业部件和汽车部件,特别是汽车内部部件。 解决方案:提供通过使聚丙烯类树脂组合物发泡得到的发泡成型体,其包含基于100重量份 的以下组分(a):丙烯 - 乙烯 - 嵌段共聚物,1-80重量份 的组分(b):丙烯 - 乙烯 - 嵌段共聚物和0.1-10重量份 的组分(c):发泡剂。 组分(a)是具有70-80重量%结晶聚丙烯均聚物部分(A单元部分)和20-30重量%乙烯 - 丙烯 - 无规共聚物部分(B单元部分)的丙烯 - 乙烯嵌段共聚物 ),其中熔体流动速率(230℃,2.16kg负荷)为10-130g / 10min; 组分(b)是具有15-55重量%结晶聚丙烯均聚物部分(A单元部分)和45-85重量%乙烯 - 丙烯 - 无规共聚物部分(B单元部分)的丙烯 - 乙烯 - 嵌段共聚物 ),其中熔体流动速率(230℃,2.16kg负荷)为0.1-40g / 10min; 组分(c)是发泡剂。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Propylene resin composition and molded product thereof
    • 丙烯树脂组合物及其成型产品
    • JP2011144278A
    • 2011-07-28
    • JP2010006797
    • 2010-01-15
    • Japan Polypropylene Corp日本ポリプロ株式会社
    • TOMONO YOSHIHIROYOSHIDA TOSHIHIROTSURUTA HIROYUKI
    • C08L23/16C08K3/00C08K3/34C08K5/098C08K5/20
    • PROBLEM TO BE SOLVED: To provide a propylene resin composition that is excellent in moldability (flowability), a balance of physical properties, scratch resistance, molding appearance and dimensional stability (small anisotropy of a molded product) and to provide a molded product of the propylene resin composition.
      SOLUTION: The propylene resin composition includes the components (A) to (G) as given below and the molded article thereof and the like are provided. The component (A) is a specific propylene/ethylene random copolymer in an amount of 15-97 wt.%; the component (B) is talc in an amount of 2-50 wt.%; the component (C) is a fibrous filler in an amount of 1-25 wt.%; the component (D) is a fatty acid amide in an amount of 0.01-5 pts.wt. (based on 100 pts. of the total amount of the components (A) to (G)); the component (E) is a fatty acid metal salt in an amount of 0.01-5 pts.wt. (based on 100 pts. of the total amount of the components (A) to (G)); the component (F) is a thermoplastic elastomer in an amount of 0-40 wt.%; and the component (G) is a propylene/ethylene block copolymer in an amount of 0-70 wt.%.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供成型性(流动性)优异,物理性能,耐擦伤性,成型外观和尺寸稳定性(成型体的各向异性小)的平衡性优异的丙烯系树脂组合物, 丙烯树脂组合物的产物。 解决方案:丙烯树脂组合物包含下列组分(A)至(G)及其模塑制品等。 组分(A)是15-97重量%的特定丙烯/乙烯无规共聚物; 组分(B)为2-50重量%的滑石; 组分(C)是1-25重量%的纤维填料; 组分(D)为0.01-5重量份的脂肪酸酰胺。 (基于组分(A)至(G)的总量的100个)); 组分(E)为0.01-5重量份的脂肪酸金属盐。 (基于组分(A)至(G)的总量的100个)); 组分(F)是0-40重量%的热塑性弹性体; 组分(G)为0-70重量%的丙烯/乙烯嵌段共聚物。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Propylene-based polymer composition
    • 基于丙烯的聚合物组合物
    • JP2009035713A
    • 2009-02-19
    • JP2008074177
    • 2008-03-21
    • Japan Polypropylene Corp日本ポリプロ株式会社
    • MATSUOKA KENJITOMONO YOSHIHIROTSURUTA HIROYUKI
    • C08L23/10C08F4/6592C08K3/00C08K7/00C08K7/04C08L101/00
    • PROBLEM TO BE SOLVED: To provide a propylene-based resin material excellent in impact resistance and color developability, and exhibiting superior metallic tone appearance.
      SOLUTION: The bright propylene-based polymer composition is obtained by mixing a lustering agent (B) and a colorant (C) into a propylenic polymer composition (A) including 50-98 wt.% of a propylenic polymer (a1), 1-30 wt.% of a fibrous inorganic filler (a2) and 1-35 wt.% of thermoplastic elastomer, wherein (a1)+(a2)+(a3)=100 wt.%, and light transmittance in a light acceptance angle of 0° is 0.3-10% when molded into a molded article having a thickness of 2 mm. As the propylenic polymer (a1), it is preferable to use the one produced with the usage of a metallocene catalyst, and especially, the one having melting heat (ΔHm) of 70-90 mJ/mg, and a melting point (Tm) of 115-150°C is proper.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供耐冲击性和显色性优异的丙烯类树脂材料,并且具有优异的金属色调外观。 解决方案:通过将亮泽剂(B)和着色剂(C)混合到包含50-98重量%的丙烯聚合物(a1)的丙烯聚合物组合物(A)中获得亮的丙烯类聚合物组合物, ,1-30重量%的纤维无机填料(a2)和1-35重量%的热塑性弹性体,其中(a1)+(a2)+(a3)= 100重量%,光的透光率 当模制成厚度为2mm的模制品时,0°的接受角为0.3-10%。 作为丙烯类聚合物(a1),优选使用使用茂金属催化剂而制造的聚合物,特别优选熔融热(ΔHm)为70〜90mJ / mg,熔点(Tm) 115-150°C是适当的。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Propylene-based copolymer composition
    • 丙烯基共聚物组合物
    • JP2009138113A
    • 2009-06-25
    • JP2007316582
    • 2007-12-07
    • Japan Polypropylene Corp日本ポリプロ株式会社
    • TOMONO YOSHIHIROMATSUOKA KENJITSURUTA HIROYUKI
    • C08L23/14C08K3/00C08L53/00C08L101/00
    • PROBLEM TO BE SOLVED: To provide a polypropylene-based resin material which is good in color developing property and provides a metallic appearance excellent in weld appearance and which has excellent rigidity and impact resistance.
      SOLUTION: The propylene-based copolymer composition contains 100 pts.wt. of a resin component (A) comprising 50-90 wt.% propylene-α-olefin random copolymer (a1) and 10-50 wt.% propylene-α-olefin block copolymer (a2) and 0.01-10 pts.wt. of a brightener (B). The resin component (A) is characterized in that when it is formed into a mirror surface molding having a plate thickness of 2 mm, the light transmittance is ≥4% at a light projecting angle of 0° and light receiving angle of 0°.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种显色性良好的聚丙烯系树脂材料,提供焊接外观优异,刚性和耐冲击性优异的金属外观。 丙烯类共聚物组合物含有100重量份 的包含50-90重量%的丙烯-α-烯烃无规共聚物(a1)和10-50重量%的丙烯-α-烯烃嵌段共聚物(a2)和0.01-10重量份的树脂组分(A) 的增白剂(B)。 树脂组分(A)的特征在于,当其形成为具有2mm厚度的镜面成型体时,在0°的光投射角和0°的光接收角度下的透光率为≥4%。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Propylene-based polymer composition
    • 基于丙烯的聚合物组合物
    • JP2009040928A
    • 2009-02-26
    • JP2007208958
    • 2007-08-10
    • Japan Polypropylene Corp日本ポリプロ株式会社
    • TOMONO YOSHIHIROMATSUOKA KENJITSURUTA HIROYUKI
    • C08L23/14C08F210/06C08K3/00C08K5/00
    • PROBLEM TO BE SOLVED: To provide a propylene-based resin material with no noticeable welds, good in color developability and affording good metallic-toned appearance.
      SOLUTION: The propylene-based resin material, a propylene-based polymer composition, is characterized by comprising 100 pts.wt. of a propylene-based polymer and 0.01-10 pt(s).wt. of a glittering agent, wherein the propylene-based polymer is a propylene-α-olefin random copolymer which is 1-200 g/10 min in melt flow rate, 80-120°C in temperature of crystallization (TC) and ≥5% in light transmittance at a light-receiving angle of 0° in the form of a molded product with a plate thickness of 2 mm.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供没有明显焊接的丙烯类树脂材料,具有良好的显色性和良好的金属色调外观。 解决方案:基于丙烯的聚合物组合物的丙烯类树脂材料的特征在于包含100重量份 的丙烯类聚合物和0.01-10pt(s).wt。 的闪光剂,其中丙烯类聚合物是熔体流动速率为1-200g / 10min,结晶温度为80-120℃(TC)和≥5%的丙烯-α-烯烃无规共聚物, 光接收角为0°的光透射率为板厚为2mm的模制产品形式。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Two-layer resin molding having contamination resistance and low linear expansion properties and method for producing the molding
    • 具有耐污染性和低线膨胀性的两层树脂模塑及其制造方法
    • JP2008036932A
    • 2008-02-21
    • JP2006213022
    • 2006-08-04
    • Japan Polypropylene Corp日本ポリプロ株式会社
    • MATSUOKA KENJITOMONO YOSHIHIRO
    • B32B27/32B29C45/16B29K101/12
    • PROBLEM TO BE SOLVED: To provide an unpainted molding which has appearance quality equivalent to that of a painted article and is excellent in contamination resistance to be usable outdoors for a long time and a method for producing the unpainted molding. SOLUTION: In a two-layer polypropylene resin molding comprising a skin layer (S) and a core layer (C) and its production method, the skin layer (S) is composed of 100 pts.wt. of a polypropylene resin (a) in a polypropylene resin composition, 0.5-15 pts.wt. of an ethylene-ethyl acrylate copolymer (b) of 5-50 wt.% in the ratio of an ethyl acrylate polymerization unit, 0.05-2.5 pts.wt. of a fatty acid amide (c) or its derivative, etc., and the core layer (C) is composed of 10-99 wt.% of a polypropylene resin (α) in the polypropylene resin composition, 1-35 wt.% of an inorganic filler (β), etc. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供具有与涂漆制品相同的外观质量并且耐久性优异的耐污染性优异的未上漆的模制品,以及用于制造未上漆的模制品的方法。 解决方案:在包含表层(S)和芯层(C)的双层聚丙烯树脂模制品及其制备方法中,表层(S)由100重量份组成。 的聚丙烯树脂(a)在聚丙烯树脂组合物中的比例为0.5〜15重量份 的乙烯 - 丙烯酸乙酯共聚物(b)的比例为5-50重量%,丙烯酸乙酯聚合单元的比例为0.05-2.5重量份。 的脂肪酸酰胺(c)或其衍生物等,芯层(C)由聚丙烯树脂组合物中的10-99重量%的聚丙烯树脂(α)构成,1-35重量% 的无机填料(β)等。版权所有(C)2008,JPO&INPIT