Process for preparing ultra-high-molecular-weight polyolefin fin

Details Process for preparing ultra-high-molecular-weight polyolefin fin Process for preparing ultra-high-molecular-weight polyolefin fin

1989-02-24

1990-11-20

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526124, 526142, 526352, 526906, 526907, 526908, 526909, C08F 214, C08F 452

Patent

active

049720350

ABSTRACT:
Ultra-high-molecular-weight polyolefin fine powder characterized in that said fine powder has an intrinsic viscosity measured in decalin at 135.degree. C. of at least 10 dl/g and an average particle diameter in the range of 1-80 .mu.m, at least 20 weight % of the powder passing through 350 Tyler mesh screen.

REFERENCES:
patent: T901021 (1972-08-01), Vernick
patent: 3676419 (1972-07-01), Takehisa et al.
patent: 3847888 (1974-11-01), Baumgaertner
patent: 3984387 (1976-10-01), Liu et al.
patent: 4401589 (1983-08-01), Kioka et al.
Chem. Abstracts, 84(22): 151700p.
S. S. Schwartz et al., "Plastics Materials and Processes", Van Nostrand Reinhold Co., N.Y. (1982), p. 74.

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