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    Resin composition for extrusion molding
    1.
    发明授权
    Resin composition for extrusion molding 失效
    用于挤出成型的树脂组合物

    公开(公告)号：US5587247A

    公开(公告)日：1996-12-24

    申请号：US350074

    申请日：1994-11-29

    申请人： Kohji Kubo ,  Shoichi Nezu ,  Fumio Ishibashi ,  Hiroyuki Harada ,  Yuji Shigematsu

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

    IPC分类号： C08J5/18 ,  C08L23/04 ,  C08L23/08 ,  B32B27/32 ,  C08K5/00

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

    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.degree. to 120.degree. 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 .alpha.-olefine containing 3 to 12 carbon atoms which gives at least one endothermic peak in a temperature range of from 110.degree. to 130.degree. 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/cm.sup.3 and (C) 5 to 70 parts by weight of the copolymer of ethylene and an .alpha.-olefin 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/cm.sup.3 in an unannealed state, and gives no endothermic peak at temperatures above 110.degree. 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，其具有（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重量份的乙烯与含有3〜12个碳原子的α-烯烃的共聚物，其在温度升高的温谱图中在110〜130℃的温度范围内产生至少一个吸热峰 如上所述，熔体流动速率（MFR）为0.5-30g / 10min。 和密度为0.900〜0.935g / cm3，（C）5〜70重量份的乙烯与含有3〜12个碳原子的α-烯烃的共聚物，其熔体流动速率（MFR）为0.5〜 30 g / 10 min 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℃以上的温度下不发生吸热峰，其中主成分的比例不小于 80％ 这提供了具有显着改善的性能的包装材料，例如低温下的热封性，热封强度，热粘合性和袋破裂强度，并且显示出优异的挤出加工性，例如成膜性和挤出负载。

    Process for polymerizing ethylene at high temperature under high pressure
    2.
    发明授权
    Process for polymerizing ethylene at high temperature under high pressure 失效
    在高温下高压聚乙烯的方法

    公开(公告)号：US5508364A

    公开(公告)日：1996-04-16

    申请号：US517856

    申请日：1995-08-22

    申请人： Toshio Sasaki ,  Hirofumi Johoji ,  Hiroyuki Shiraishi ,  Kohzoh Miyazaki ,  Toshimi Sato ,  Yuji Shigematsu

    发明人： Toshio Sasaki ,  Hirofumi Johoji ,  Hiroyuki Shiraishi ,  Kohzoh Miyazaki ,  Toshimi Sato ,  Yuji Shigematsu

    IPC分类号： C08F4/64 ,  C08F4/60 ,  C08F4/646 ,  C08F4/655 ,  C08F10/00

    CPC分类号： C08F10/00

    摘要： A process for polymerizing ethylene at a high temperature under high pressure, which comprises contacting ethylene alone or along with an .alpha.-olefin at a temperature of 120.degree. C. or more at a pressure of 350 kg/cm.sup.2 or more with a catalyst consisting essentially of (A) a reaction product of (A1) a titanium compound having at least one titanium-nitrogen bond with (A2) an organometallic compound of an element of Groups I to III of the Periodic Table and (B) an organoaluminum compound. Said process enables the production of an ethylene polymer or copolymer having a narrow composition distribution and a high molecular weight and being excellent in weather resistance, color development, transparency, corrosiveness and mechanical properties.

    摘要翻译： 一种在高压下在高温下聚合乙烯的方法，其包括在150℃或更高的温度下，以350kg / cm 2或更高的压力使乙烯单独或与α-烯烃接触，催化剂基本上与 （A）（A1）具有至少一个钛 - 氮键的钛化合物与（A2）元素周期表第I至III族元素的有机金属化合物和（B）有机铝化合物的反应产物。 所述方法能够制备具有窄组成分布和高分子量并且耐候性，显色性，透明性，腐蚀性和机械性能优异的乙烯聚合物或共聚物。

    Ethylene-.alpha.-olefin copolymer and molded article thereof
    4.
    发明授权
    Ethylene-.alpha.-olefin copolymer and molded article thereof 失效
    乙烯-α-烯烃共聚物及其模塑制品

    公开(公告)号：US5700895A

    公开(公告)日：1997-12-23

    申请号：US570559

    申请日：1995-12-11

    申请人： Yuji Kanda ,  Toshiyuki Kokubo ,  Yufu Sato ,  Toshio Sasaki ,  Hiroyuki Shiraishi ,  Yuji Shigematsu

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

    IPC分类号： C08F210/16 ,  C08F210/02

    CPC分类号： C08F210/16

    摘要： A novel ethylene-.alpha.-olefin copolymer and a molded article formed therefrom, wherein (A) a density is 0.870 to 0.945 g/cm.sup.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.gtoreq.4.6-0.04.times.logMFR (1), (C) a coefficient Cx of variation of chemical composition distribution represented by the following equation (2) is 0.40 to 0.80: Cx=.sigma./SCB.sub.ave (2) wherein .sigma. is a standard deviation of chemical composition distribution (1/1,000 C) and SCB.sub.ave is the average of short chain branchings per 1,000 C (1/1,000 C), (D) a ratio of a weight average molecular weight Mw to a number average molecular weight Mn (Mw/Mn) is 3 to 20, and (F) a ratio (TVR) of trans-vinylene type carbon-carbon double bonds to total carbon-carbon double bonds as determined with an infrared absorption spectrum being 1 to 30%.

    摘要翻译： 一种新型乙烯-α-烯烃共聚物和由其形成的模制品，其中（A）密度为0.870至0.945g / cm3，（B）通过测量获得的流动活化能Ea（J /摩尔K）之间的关系 在熔融状态下至少三个温度下的粘弹性和熔体流动速率MFR（g / 10min）满足下列等式（1）：logEa> / = 4.6-0.04xlogMFR（1），（C）系数Cx 由下式（2）表示的化学成分分布的变化为0.40〜0.80：Cx = sigma / SCBave（2）其中sigma为化学成分分布的标准偏差（1/1000℃），SCBave为短链的平均值 每1000℃分支（1 / 1,000℃），（D）重均分子量Mw与数均分子量Mn（Mw / Mn）的比例为3〜20，（F）比（TVR） 反式亚乙烯基型碳 - 碳双键，以红外吸收光谱测定的总碳 - 碳双键为1〜30％。