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    Ethylene-alpha-olefin copolymers and molded article thereof
    2.
    发明公开
    Ethylene-alpha-olefin copolymers and molded article thereof 失效
    乙烯-α-烯烃Copolymere und daraus hergestellte Formteile。

    公开(公告)号：EP0640627A1

    公开(公告)日：1995-03-01

    申请号：EP94306168.9

    申请日：1994-08-22

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED

    发明人： Kanda, Yuji ,  Kokubo, Toshiyuki ,  Sato, Yufu ,  Sasaki, Toshio ,  Shiraishi, Hiroyuki ,  Shigematsu, Yuji

    IPC分类号： C08F210/16

    CPC分类号： C08F210/16 ,  C08F210/18 ,  C08F2500/08 ,  C08F2500/20 ,  C08F2500/12 ,  C08F2500/10 ,  C08F2500/11

    摘要： A novel ethylene-α-olefin copolymer and a molded article formed therefrom, wherein

    (A) a density is 0.870 to 0.945 g/cm 3,
    (B) a relation between an activation energy of flow Ea (J/mole K) obtained by measurement of viscoelasticity at at least three temperatures in the molten state and a melt flow rate MFR (g/10 min) satisfies the following equation (1): logEa ≧ 4.6 - 0.04 × logMFR
    (C) a coefficient Cx of variation of chemical composition distribution represented by the following equation (2) is 0.40 to 0.80: Cx = σ/SCB ave wherein σ is a standard deviation of chemical composition distribution (1/1,000 C) and SCB ave is the average of short chain branchings per 1,000 C (1/1,000 C), and
    (D) a ratio of a weight average molecular weight Mw to a number average molecular weight Mn (Mw/Mn) is 3 to 20.

    摘要翻译： 一种新型乙烯-α-烯烃共聚物和由其形成的模塑制品，其中（A）密度为0.870至0.945g / cm 3，（B）流动活化能Ea（J /摩尔K） 通过在熔融状态下至少三个温度下的粘弹性测定得到的熔体流动速率MFR（g / 10分钟）满足下式（1）：（C）表示化学成分分布的变化系数Cx 通过下式（2）为0.40至0.80：其中sigma是化学组成分布的标准偏差（1 / 1,000℃），SCBave是每1000℃（1 / 1,000℃）的短链分支的平均值， 和（D）重均分子量Mw与数均分子量Mn（Mw / Mn）的比例为3〜20。

    Process for producing laminate
    4.
    发明公开
    Process for producing laminate 失效
    Verfahren zum Herstellen einer Verbundbahn

    公开(公告)号：EP0781653A2

    公开(公告)日：1997-07-02

    申请号：EP96309492.5

    申请日：1996-12-24

    申请人： SUMITOMO CHEMICAL COMPANY LIMITED

    发明人： Hayashida, Haruo ,  Ishibashi, Fumio ,  Shigematsu, Yuji ,  Takahata, Hiroaki

    IPC分类号： B32B31/30 ,  B29C59/14 ,  B29C59/16

    CPC分类号： B29C59/14 ,  B29C47/00 ,  B29C47/0021 ,  B29C59/12 ,  B29C2035/0872 ,  B32B38/0008

    摘要： A non-anchor extrusion coating process for producing a laminate, which process comprises the steps of:

    (a) subjecting at least one surface of a substrate to surface activation in an atmosphere of an inert gas,
    (b) melt-extruding a resin to form an extrudate in the form of film, and
    (c) placing at least one surface of the extrudate in contact with said at least one activated surface of the substrate, and adhering the extrudate to the substrate by pressure to obtain a laminate. The laminate of resin and metal or plastic substrate which is produced is improved in film adhesive strength and is usable as a packaging material.

    摘要翻译： 一种用于制造层压板的非锚定挤压涂布方法，该方法包括以下步骤：（a）使基材的至少一个表面在惰性气体的气氛中进行表面活化，（b）将树脂熔融挤出至 形成薄膜形式的挤出物，和（c）将挤出物的至少一个表面与基材的所述至少一个活化表面接触，并通过压力将挤出物粘合到基材上以获得层压体。 制造的树脂和金属或塑料基材的层压体的膜粘合强度提高，可用作包装材料。

    Resin composition for extrusion moulding
    5.
    发明公开
    Resin composition for extrusion moulding 失效
    HarstusammensetzungfürStrangpressen。

    公开(公告)号：EP0656393A1

    公开(公告)日：1995-06-07

    申请号：EP94308811.2

    申请日：1994-11-29

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED

    发明人： Kubo, Kohji ,  Ishibashi, Fumio ,  Shigematsu, Yuji ,  Nezu, Shoichi ,  Harada, Hiroyuki

    IPC分类号： C08L23/06 ,  C08L23/04 ,  C09J123/04 ,  C08J5/18

    CPC分类号： C08J5/18 ,  C08J2323/04 ,  C08L23/06 ,  C08L23/0815 ,  C08L23/0869 ,  C08L2205/02 ,  C08L2205/03 ,  Y10T428/31562 ,  Y10T428/31692 ,  Y10T428/31746 ,  Y10T428/31902 ,  Y10T428/31913 ,  Y10T428/31938 ,  C08L2666/02

    摘要： A resin composition for extrusion molding which has a melt flow rate (MFR) of from 0.5 to 30 g/10 min., having (A) 1 to 80 parts by weight of an ethylenic polymer which gives an endothermic peak in a temperature range of from 80 to 120°C in a temperature rise thermogram as measured by a differential scanning calorimeter, has a melt flow rate (MFR) of from 0.5 to 50 g/10 min., and is prepared by high-pressure radical polymerization, (B) 5 to 80 parts by weight of a copolymer of ethylene and an α-olefine containing 3 to 12 carbon atoms which gives at least one endothermic peak in a temperature range of from 110 to 130°C in the temperature rise thermogram as described above, has a melt flow rate (MFR) of from 0.5 to 30 g/10 min. and a density of from 0.900 to 0.935 g/cm³, and (C) 5 to 70 parts by weight of the copolymer of ethylene and an α-olefine containing 3 to 12 carbon atoms which has a melt flow rate (MFR) of from 0.5 to 30 g/10 min. and a density of from 0.870 to 0.920 g/cm³ in an unannealed state, and gives no endothermic peak at temperatures above 110°C in the temperature rise thermogram as described above, and in which a ratio of a main component is not less than 80 %; which gives a packaging material having significantly improved properties such as heat sealability at low temperature, heat-sealing strength, hot tacking property and bag breaking strength, and exhibits an excellent extrusion processability such as film forming property and extrusion loading.

    摘要翻译： 一种挤出成型用树脂组合物，其熔体流动速率（MFR）为0.5〜30g / 10分钟，具有（A）1〜80重量份的乙烯性聚合物，其在温度范围内得到吸热峰 通过差示扫描量热计测定的升温温度分析仪中的80〜120℃的熔体流动速率（MFR）为0.5〜50g / 10分钟，通过高压自由基聚合制备（B ）5-80重量份的乙烯和含有3至12个碳原子的α-烯烃的共聚物，其在如上所述的温度升高温谱图中在110至130℃的温度范围内产生至少一个吸热峰， 熔体流动速率（MFR）为0.5〜30g / 10min。 密度为0.900〜0.935g / cm 3，（C）乙烯与含有3〜12个碳原子的α-烯烃的共聚物的5〜70重量份，熔体流动速率（MFR） 为0.5〜30g / 10min。 在未退火状态下的密度为0.870〜0.920g / cm 3，在如上所述的温度升高温谱图中，在110℃以上的温度下不产生吸热峰，主成分的比率不是 小于80％; 这提供了具有显着改善的性能如低温下的热封性，热封强度，热粘合性和袋破裂强度的包装材料，并且显示出优异的挤出加工性，例如成膜性和挤出加载性。