发明名称 |
ETHYLENE-ALPHA-OLEFIN-NONCONJUGATED POLYENE COPOLYMER |
摘要 |
Provided is an ethylene-α-olefin-nonconjugated polyene copolymer having ethylene units, α-olefin units and nonconjugated polyene units, wherein the copolymer satisfies the following requirements: (A): the intrinsic viscosity [η] is 0.5 to 1.8 dl/g, (B): the content of ethylene units is 50 to 90 mol % and the content of α-olefin units is 50 to 10 mol % where the sum total of the contents of ethylene units and α-olefin units is taken as 100 mol %, (C): the iodine value is 1 to 50, (D): the ratio of tan δ taken at 100° C. and 2 cpm to tan δ taken at 100° C. and 1000 cpm is from 1.0 to 1.7, and (E): the ratio of the Z-average molecular weight to the number average molecular weight is from 15 to 25 and the weight average molecular weight to the number average molecular weight is from 3 to 5. |
申请公布号 |
US2014316091(A1) |
申请公布日期 |
2014.10.23 |
申请号 |
US201214363352 |
申请日期 |
2012.12.18 |
申请人 |
Sumitomo Chemical Company, Limited |
发明人 |
Nakano Sadayuki |
分类号 |
C08F210/06 |
主分类号 |
C08F210/06 |
代理机构 |
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代理人 |
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主权项 |
1. An ethylene-α-olefin-nonconjugated polyene copolymer comprising ethylene units, α-olefin units and nonconjugated polyene units, wherein the copolymer satisfies the following requirements (A), (B), (C), (D) and (E),
(A): the intrinsic viscosity [η] is 0.5 to 1.8 dl/g, (B): the content of the ethylene units is 50 to 90 mol % and the content of the α-olefin units is 50 to 10 mol % where the sum total of the content of the ethylene units and the content of the α-olefin units is taken as 100 mol %, (C): the iodine value is 1 to 50, (D): the ratio of tan δ taken at 100° C. and 2 cpm to tan δ taken at 100° C. and 1000 cpm is from 1.0 to 1.7, (E): the ratio of the Z-average molecular weight to the number average molecular weight is from 15 to 25 and the weight average molecular weight to the number average molecular weight is from 3 to 5. |
地址 |
Tokyo JP |