Ethylene-.alpha.-olefin copolymer and composition, and film, lam

Details Ethylene-.alpha.-olefin copolymer and composition, and film, lam Ethylene-.alpha.-olefin copolymer and composition, and film, lam

1998-10-05

2000-12-19

Wu, David W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525247, 525319, 5263481, 5263484, 5263486, 526153, 526160, 526943, C08L 2300

Patent

active

061628719

ABSTRACT:
A polyolefin resin composition containing an ethylene-.alpha.-olefin copolymer having: (A) a density d of 0.86 to 0.96 g/cm.sup.3 ; (B) a melt flow rate MFR of 0.01 to 200 g/10 min; (C) a molecular weight distribution Mw/Mn of 1.5 to 4.5; (D) a composition distribution parameter Cb of 1.08 to 2.00; and (E) an orthodichlorobenzene-soluble content X (wt %), at 25.degree. C. a density of d (g/cm.sup.3) and a melt flow rate MFR (wt %) satisfying that: (i) when the density (d) and the melt flow rate MFR satisfy relationship (I):

REFERENCES:
patent: 4505969 (1985-03-01), Weiner
patent: 5218071 (1993-06-01), Tsutsui et al.
patent: 5331071 (1994-07-01), Kataoka et al.
patent: 5391660 (1995-02-01), Numao et al.
patent: 5459217 (1995-10-01), Todo et al.
patent: 5656696 (1997-08-01), Yamamoto et al.
patent: 5674945 (1997-10-01), Takahashi et al.
Patent Abstracts of Japan, vol. 018, No. 029 (E-1492), Jan. 17, 1994 for JP-A-5-266723 (Sumitomo Electric Industries) Oct. 15, 1993.

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