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Found results for
patents
1.
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Polyethylene compositions and films formed therefrom
Application Number |
14924302 |
Grant Number |
09988505 |
Status |
In Force |
Filing Date |
2015-10-27 |
First Publication Date |
2016-04-28 |
Grant Date |
2018-06-05 |
Owner |
- China Petroleum & Chemical Corporation (China)
- Beijing Research Institute of Chemical Industry, China Petroleum and Chemical Corporation (China)
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Inventor |
- Gao, Dali
- Shi, Hongwei
- Zhang, Shijun
- Guo, Meifang
- Yu, Luqiang
- Qiao, Jinliang
- Li, Ruxian
- Tang, Yujing
- Yin, Jianjun
- Wang, Liangshi
- Huang, Honghong
- Yang, Qingquan
- Zou, Hao
- Li, Jie
- Zhang, Liying
- Yin, Hua
- Liu, Jianye
- Shao, Jingbo
- Lyu, Mingfu
- Chu, Liqiu
- Xu, Meng
- Quan, Hui
- Xu, Kai
- Dong, Mu
- Lyu, Yun
- Xu, Yihui
- Xu, Yaohui
- Guo, Peng
- Bai, Yiqing
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Abstract
A polyethylene composition comprising an ethylene/α-olefin copolymerized linear low density polyethylene, wherein the polyethylene composition has a Mw of from 100,000 g/mol to 200,000 g/mol, a Mw/Mn of from 4.0 to 9.0, a Mz/Mw of from 4.0 to 7.0, and a Mz+1/Mw of from 4.5 to 13.5, is provided. A film formed of the polyethylene composition is also provided.
IPC Classes ?
- B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
- B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
- C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
- C08F 210/00 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08J 5/18 - Manufacture of films or sheets
- C08L 23/08 - Copolymers of ethene
- B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
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2.
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Catalyst component for olefin polymerization and preparation method thereof
Application Number |
13502508 |
Grant Number |
09353197 |
Status |
In Force |
Filing Date |
2010-04-19 |
First Publication Date |
2012-09-06 |
Grant Date |
2016-05-31 |
Owner |
- China Petroleum and Chemical Corporation (China)
- Beijing Research Institute of Chemical Industry, China Petroleum and Chemical Corporation (China)
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Inventor |
- Xia, Xianzhi
- Zhao, Jin
- Liu, Yuexiang
- Zhang, Jigui
- Li, Weili
- Tan, Yang
- Qiao, Suzhen
- Peng, Renqi
- Gao, Ping
- Yin, Maoping
- Zhang, Tianyi
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Abstract
A catalyst component for olefin polymerization is disclosed, which comprises at least one diol ester type electron donor compound (a) and at least one diether type electron donor compound (b) among others, wherein the molar ratio of a to b is 0.55-50. A preparation method of the catalyst component, a catalyst comprising the catalyst component, and an olefin polymerization method using the catalyst which can especially be used for preparation of polypropylenes of low ash contents are also disclosed.
IPC Classes ?
- C08F 4/76 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from refractory metals selected from titanium, zirconium, hafnium, vanadium, niobium, or tantalum
- C08F 4/654 - Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
- C08F 4/658 - Pretreating with metals or metal-containing compounds with metals or metal-containing compounds, not provided for in a single group of groups
- C08F 4/649 - Catalysts containing a specific non-metal or metal-free compound organic
- C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F 110/06 - Propene
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