Polymer materials

Details Polymer materials Polymer materials

1974-03-06

1976-06-08

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

528502, 528503, 528481, 264288, 264289, 264290R, C08F 1002

Patent

active

039622053

ABSTRACT:
An oriented high density polyethylene polymer material having a weight average molecular weight of less than 200,000, a number average molecular weight of less than 20,000, a ratio of weight average molecular weight M.sub.w to number average molecular weight M.sub.n such that for M.sub.n > 10.sup.4, M.sub.w /M.sub.n < 8 and for M.sub.n < 10.sup.4, M.sub.w /M.sub.n < 20, and a Young's modulus greater than 3 .times. 10.sup.10 N/m.sup.2.

REFERENCES:
patent: 2631954 (1953-03-01), Bright
patent: 3022543 (1962-02-01), Baird et al.
patent: 3141912 (1964-07-01), Goldman et al.
patent: 3502639 (1970-03-01), Statton
patent: 3558580 (1971-01-01), Orser
patent: 3800008 (1974-03-01), Starkweather

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