![高性能多峰超高分子量聚乙烯](/CN/2017/8/0/images/201780003747.jpg)
基本信息:
- 专利标题: 高性能多峰超高分子量聚乙烯
- 专利标题(英):High performances multimodal ultra high molecular weight polyethylene
- 申请号:CN201780003747.4 申请日:2017-09-11
- 公开(公告)号:CN108350200A 公开(公告)日:2018-07-31
- 发明人: 查特查埃·加伦马尼罗伊 , 萨兰亚·特莱西兰农 , 瓦差里·奇瓦斯里伦格隆 , 皮亚万·提亚皮波恩猜亚
- 申请人: 泰国聚乙烯有限公司 , SCG化学有限公司
- 申请人地址: 泰国曼谷
- 专利权人: 泰国聚乙烯有限公司,SCG化学有限公司
- 当前专利权人: 泰国聚乙烯有限公司,SCG化学有限公司
- 当前专利权人地址: 泰国曼谷
- 代理机构: 北京康信知识产权代理有限责任公司
- 代理人: 张英; 沈敬亭
- 优先权: 16188347.5 2016.09.12 EP
- 国际申请: PCT/EP2017/072686 2017.09.11
- 国际公布: WO2018/046713 EN 2018.03.15
- 进入国家日期: 2018-04-25
- 主分类号: C08J5/18
- IPC分类号: C08J5/18 ; C08L23/04 ; C08L23/06
The present inventions relates to a multimodal polyethylene composition comprising; (A) 30 to 65 parts by weight, preferably 30 to 50 parts by weight, most preferred 30 to 40 parts by weight of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol or medium molecular weight polyethylene having a weight average molecular weight (Mw) of more than 90,000 to 150,000 g/mol; (B) 5 to 40 parts by weight, preferably 10 to 35 parts by weight, most preferred 15 to 35 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 10 to 60 parts by weight, preferably 15 to 60 parts by weight, most preferred 20 to 60 parts by weight of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000g/mol or the second ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol,wherein a MI21 of the multimodal polyethylene composition is less than 2.0 g/10 min, and a Charpy impact strength at 23 DEG C the of multimodal polyethylene composition is at least 70 kJ/m2, preferably 70 to 120 kJ/m2, measured by ISO 179, a sheet comprising the multimodal polyethylene composition as well as the use of the sheet.
公开/授权文献:
- CN108350200B 高性能多峰超高分子量聚乙烯 公开/授权日:2022-03-15
IPC结构图谱:
C | 化学;冶金 |
--C08 | 有机高分子化合物;其制备或化学加工;以其为基料的组合物 |
----C08J | 加工;配料的一般工艺过程;不包括在C08B,C08C,C08F,C08G或C08H小类中的后处理 |
------C08J5/00 | 含有高分子物质的制品或成形材料的制造 |
--------C08J5/18 | .薄膜或片材的制造 |