Title:
ETHYLENE-(Α-OLEFIN) COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2012/002555
Kind Code:
A1
Abstract:
An ethylene-(α-olefin) copolymer which has a monomer unit derived from ethylene and a monomer unit derived from an α-olefin having 3-20 carbon atoms, and also has a melt flow rate (MFR) of 0.01-100 g/10 min, a density of 860-970 kg/m3, a molecular weight distribution (Mw/Mn) of 4.5-13, an activation energy (Ea) of 40-100 kJ/mol and a characteristic relaxation time (τ) that meets formula (1-1).
τ < 3.25×MFR-0.6675 (1-1)
Inventors:
NOMURA JUMMA (JP)
NOZUE YOSHINOBU (JP)
OCHI NAOKO (JP)
NOZUE YOSHINOBU (JP)
OCHI NAOKO (JP)
Application Number:
PCT/JP2011/065241
Publication Date:
January 05, 2012
Filing Date:
June 28, 2011
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
NOMURA JUMMA (JP)
NOZUE YOSHINOBU (JP)
OCHI NAOKO (JP)
NOMURA JUMMA (JP)
NOZUE YOSHINOBU (JP)
OCHI NAOKO (JP)
International Classes:
C08F210/16; C08F4/6592
Foreign References:
JP2010138385A | 2010-06-24 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
Nakayama 亨 (JP)
Nakayama 亨 (JP)
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Claims:
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