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    Thermoplastic resin composition and injection molded article thereof
    3.
    发明公开
    Thermoplastic resin composition and injection molded article thereof 失效
    热塑性树脂组合物及其注塑制品

    公开(公告)号：EP0739944A1

    公开(公告)日：1996-10-30

    申请号：EP96106782.4

    申请日：1996-04-29

    申请人： SUMITOMO CHEMICAL COMPANY LIMITED ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Sadatoshi, Hajime ,  Ohkawa, Kenichi ,  Doi, Teruhiko ,  Miyake, Yuichi ,  Nomura, Takao ,  Nishio, Takeyoshi

    IPC分类号： C08L53/00 ,  C08K3/34

    CPC分类号： C08F297/083 ,  C08F297/08 ,  C08K3/34 ,  C08L23/0815 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L53/00 ,  C08L2205/035 ,  C08L2666/02 ,  C08L2666/24 ,  C08L2666/04

    摘要： A thermoplastic resin composition which has a melt flow rate of 8 to 15 g/10 min and a flexural modulus at 23°C of 20,000 kg/cm 2 or more and which comprises (A) 60 to 76% by weight of a specific crystalline polypropylene in which the propylene homopolymer portion has a Q value of 3.0 to 5.0, an istactic pentad fraction of 0.975 or more and an intrinsic viscosity [η] of 1.20 to 1.40 dl/g as measured at 135°C in tetralin, (B) 2 to 10% by weight of an ethylene-butene-1 copolymer rubber, (C) 2 to 10% by weight of an ethylene-propylene copolymer rubber and (D) 16 to 25% by weight of talc having an average particle diameter of 4 µm or less, and an injection molded article of the thermoplastic resin composition, said thermoplastic resin composition satisfying the impact strength and rigidity required as a material for an instrumental panel and having a short molding cycle and good surface quality.

    摘要翻译： 一种热塑性树脂组合物，其熔体流动速率为8-15克/ 10分钟，在23℃下弯曲模量为20000千克/厘米2或更高，并且包含（A）60-76重量％的特定结晶聚丙烯 其中丙烯均聚物部分的Q值为3.0-5.0，无规五单元组分数为0.975或更高，在135℃在四氢化萘中测得的特性粘度[η]为1.20-1.40dl / g，（B）2 （C）2-10重量％的乙烯 - 丙烯共聚物橡胶和（D）平均粒径为4的滑石粉（D）16-25重量％的乙烯 - 丁烯-1共聚物橡胶 所述热塑性树脂组合物的注射成型体满足作为仪表板用材料所要求的冲击强度和刚性，成型周期短，表面品质良好。

    Polypropylene random copolymer and film thereof
    4.
    发明公开
    Polypropylene random copolymer and film thereof 失效
    Statistisches丙烯聚合物和薄膜davon。

    公开(公告)号：EP0577407A1

    公开(公告)日：1994-01-05

    申请号：EP93305110.4

    申请日：1993-06-30

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED

    发明人： Sadatoshi, Hajime ,  Ima, Seiichiro ,  Wakamatsu, Kazuki ,  Mori, Jiro ,  Shiratani, Eisuke

    IPC分类号： C08F210/06 ,  C08J5/18

    CPC分类号： C08J5/18 ,  C08F10/00 ,  C08F210/06 ,  C08J2323/10 ,  C08F4/6465 ,  C08F210/16 ,  C08F2500/17 ,  C08F2500/12 ,  C08F2500/26 ,  C08F210/08

    摘要： A Polypropylene random copolymer is obtained by copolymerizing propylene and an α-olefin or propylene, ethylene and α-olefin, using a Ziegler-Natta catalyst substantially in the absence of solvent. The content of propylene is by weight 92.3 - 75.0%, of ethylene (E) 0 - 2.7%, and of α-olefin 5.0 - 25.0%. The content (C) of 20°C xylene-soluble components in the random copolymer satisfies following conditions:-

    (1) ethylene content (E) less than 1.5%:
       C ≦ 12.0 (weight %)
    (2) ethylene content (E) 1.5% - 1.8%:
       C ≦ 42.0 - 20.0 x E (weight %)
    (3) ethylene content (E) 1.8% - 2.7%:
       C ≦ 6.0 (weight %)

    Film of the copolymer has a good appearance and a good balance between heat-sealability and rigidity.

    摘要翻译： 聚丙烯无规共聚物通过使用基本上不存在溶剂的齐格勒 - 纳塔催化剂共聚合丙烯和α-烯烃或丙烯，乙烯和α-烯烃来获得。 丙烯的含量为乙烯（E）0-2.7％，α-烯烃5.0〜25.0％的重量比为92.3〜75.0％。 无规共聚物中20℃二甲苯可溶成分的含量（℃）满足以下条件： - （1）小于1.5％的乙烯含量（E）：C 12.0（重量％）（2）乙烯含量 E）1.5％-1.8％C = 42.0-20.0×E（重量％）（3）乙烯含量（E）1.8％-2.7％C = 6.0（重量％）共聚物膜具有 良好的外观和热封性与刚性之间的良好平衡。

    Polypropylene compositions and films thereof
    5.
    发明公开
    Polypropylene compositions and films thereof 失效
    聚丙烯 - Zusammensetzungen und daraus gebildete Filme。

    公开(公告)号：EP0577321A1

    公开(公告)日：1994-01-05

    申请号：EP93304896.9

    申请日：1993-06-23

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED

    发明人： Sadatoshi, Hajime ,  Ima, Seiichiro ,  Shiratani, Eisuke

    IPC分类号： C08L23/12

    CPC分类号： C08L23/10 ,  C08L23/06 ,  C08L23/142 ,  C08L2666/04 ,  C08L2666/06

    摘要： A polypropylene composition comprises by weight (a) 100 parts of a crystalline propylene polymer having a melt flow rate (MFR) of at least 3.0 g/10, preferably 3.0 - 50g, minutes and a molecular weight distribution of less than 5.0 and (b) 0.01 to 4.0, preferably 0.01 to 2.5 parts of a crystalline ethylene polymer having a MFR of from 0.5 to 300 g/10 minutes, a density of at least 0.910 g/cm³, and a crystallization temperature of at least 85°C and which is at least 1°C higher than the crystallization temperature of the crystalline propylene polymer.
    The polymers can be homopolymers or copolymers with an α-olefin. Other additives can be included.
    By melt-extruding the composition there is produced a molding of thickness 10 to 1000 µm from which a film of thickness 10 to 100 µm can be provided, e.g. by T-die film forming. The films are used for heat-sealable packaging material.

    摘要翻译： 聚丙烯组合物包含（a）100份熔体流动速率（MFR）为至少3.0g / 10，优选3.0-50g，分钟和分子量分布小于5.0的结晶丙烯聚合物和（b ）0.01〜2.5份，优选0.01〜2.5份MFR为0.5〜300g / 10分钟，密度为0.910g / cm 3，结晶温度为85℃以上的结晶乙烯聚合物 并且其比结晶丙烯聚合物的结晶温度高至少1℃。 聚合物可以是与α-烯烃的均聚物或共聚物。 可以包括其他添加剂。 通过熔融挤出组合物，产生厚度为10至1000μm的模制件，可以从其中提供厚度为10至100μm的膜，例如， 通过T型模片成膜。 该膜用于可热封的包装材料。

    Block copolymers of ethylene and propylene
    8.
    发明公开
    Block copolymers of ethylene and propylene 失效
    Ethylen-亚丙酯，Blockcopolymerisate。

    公开(公告)号：EP0534776A1

    公开(公告)日：1993-03-31

    申请号：EP92308747.2

    申请日：1992-09-25

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED

    发明人： Sadatoshi, Hajime ,  Sakai, Jiro ,  Wakamatsu, Kazuki

    IPC分类号： C08F297/08 ,  C08L53/00

    CPC分类号： C08F297/086 ,  C08F297/083 ,  C08L53/00 ,  C08L2666/04

    摘要： An ethylene-propylene block copolymer or composition comprises by weight:

    (a) 80-95% of a crystalline polypropylene component comprising a propylene homopolymer or a copolymer of propylene and not more than one mole% of ethylene of an α-olefin having 4 or more carbon atoms said copolymer having intrinsic viscosity [η] P of 0.8 to 2.0 dl/g, a ratio of weight average molecular weight Mw to number average molecular weight Mn of 3.0 to 5.0 as measured by gel permeation chromatography, and xylene-soluble content at 20°C of not more than 1.5% by weight; and
    (b) 5-20% of an ethylene-propylene random copolymer component having a composition consisting of ethylene and propylene in a weight ratio of ethylene to propylene of 20/80 to 60/40 and an intrinsic viscosity [η] EP of 3.5 to 8.5 dl/g.

    Methods of preparing the two polymer components are described; the two are then admixed, optionally with other additives, especially an ethylene-α-olefin rubber.
    The product has good rigidity, impact strength, flow characteristics and appearance and is useful for molded parts, e.g. for automobiles.

    摘要翻译： 乙烯 - 丙烯嵌段共聚物或组合物包含：（a）80-95％的结晶聚丙烯组分，其包含丙烯均聚物或丙烯和不超过1摩尔％的α-烯烃的乙烯的共聚物，其具有4或 更多的碳原子，所述共聚物的特性粘度ÄhÜP为0.8〜2.0dl / g，通过凝胶渗透色谱法测定的重均分子量Mw与数均分子量Mn的比例为3.0〜5.0，二甲苯可溶成分为20℃ C不超过1.5重量％; 和（b）5-20％乙烯与丙烯的组成由乙烯和丙烯组成的乙烯 - 丙烯无规共聚物组分的重量比为20/80至60/40，特性粘度ÄhÜEP为3.5至8.5dl /G。 描述制备两种聚合物组分的方法; 然后将两者混合，任选地与其它添加剂，特别是乙烯-α-烯烃橡胶混合。 该产品具有良好的刚性，冲击强度，流动特性和外观，并且可用于模制件，例如。 用于汽车。

    A Laminated polypropylene film
    9.
    发明公开
    A Laminated polypropylene film 失效
    层压聚丙烯薄膜

    公开(公告)号：EP0146968A3

    公开(公告)日：1986-08-20

    申请号：EP84116347

    申请日：1984-12-27

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED

    发明人： Kitamura, Shuji ,  Nakae, Kiyohiko ,  Ogawa, Tadatoshi ,  Yoshida, Teruaki ,  Sadatoshi, Hajime

    IPC分类号： B32B27/32 ,  C09J03/14 ,  C08L23/14

    CPC分类号： B32B27/32 ,  B32B27/08 ,  B32B2307/518 ,  B32B2307/704 ,  B32B2323/10 ,  Y10T428/2826 ,  Y10T428/31855 ,  Y10T428/31913

    摘要： A laminated polypropylene film consisting of a crystalline polypropylene layer having laminated to at least one side thereof a copolymer layer, said copolymer being a random copolymer of propylene and an α-olefin having 4 or more carbon atoms or a random copolymer of propylene, an a-olefin having 4 or more carbon atoms and ethylene obtained by vapor phase polymerization in the substantial absence of a liquid medium and satisfying the following conditions (1) to (4):
    (1) the content of an α-olefin having 4 or more carbon atoms in the copolymer is 8 to 25 mole%, (2) the content of ethylene in the copolymer is 3 mole% or less, (3) the content of a cold xylene-soluble portion in the copolymer is 15 to 60% by weight, and (4) the content of a boiling n-heptane-insoluble portion in the copolymer is 7% by weight or more. Said laminated film has an excellent low-temperature heat-sealability, an excellent transparency, a low blocking and a good scratch resistance.