公开(公告)号：US06268063B1

公开(公告)日：2001-07-31

申请号：US09382805

申请日：1999-08-25

申请人： Manabu Kaminaka ,  Motomu Takamura ,  Hitoshi Matsuoka

发明人： Manabu Kaminaka ,  Motomu Takamura ,  Hitoshi Matsuoka

IPC分类号： B32B2700

CPC分类号： C08L23/10 ,  C08F297/083 ,  C08L23/16 ,  C08L53/00 ,  Y10T428/31855 ,  Y10T428/31909 ,  C08L2666/04

摘要： A propylene resin composition featuring good flexibility and transparency without producing sticky feeling, and comprising a polypropylene component and a copolymer component of propylene and ethylene, wherein (I) the amount of the component (hereinafter referred to as medium- to low-temperature eluting component) that elutes out at temperatures of up to 90° C. by the temperature rising elution fractionation method by using an o-dichlorobenzene solvent is from 50 to 99% by weight of the whole amount, the amount of the component (hereinafter referred to as high-temperature eluting component) that elutes out at temperatures of not lower than 90° C. is from 50 to 1% by weight of the whole amount, and the amount of the component (hereinafter referred to as low-temperature eluting component) eluting out up to a temperature of 0° C. is not larger than 10% by weight of the whole amount, and (II) the content of the ethylene units in the component eluting up to the temperature of 90° C. is not smaller than 4% by weight but is smaller than 20% by weight, and the content of the propylene units in the component eluting at temperatures of not lower than 90° C. is from 97 to 100% by weight.

摘要翻译： 一种丙烯树脂组合物，具有良好的柔软性和透明性，而不产生粘性，并且包含丙烯和丙烯的共聚物组分，其中（I）组分的量（以下称为中 - 低温洗脱组分 ）通过使用邻二氯苯溶剂的升温洗脱分级法在高达90℃的温度下洗脱出的量为全部量的50-99重量％，组分的量（以下称为 在不低于90℃的温度下洗脱的高温洗脱组分）为全量的50至1重量％，并且组分（以下称为低温洗脱组分）的洗脱量 在高达0℃的温度下不超过全部重量的10重量％，（II）洗脱到90℃温度下的组分中的乙烯单元的含量为 不小于4重量％但小于20重量％，并且在不低于90℃的温度下洗脱的组分中的丙烯单元的含量为97至100重量％。