Process for the stabilization of polyolefin and products obtaine

Details Process for the stabilization of polyolefin and products obtaine Process for the stabilization of polyolefin and products obtaine

1990-07-30

1992-10-27

Morgan, Kriellion S.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 62, 524102, 524109, 524120, 524126, 524128, 524133, 524135, 524147, 524151, 524153, 524291, 524359, 524392, C08K 900, C08K 511, C08K 53435, C08K 551

Patent

active

051589923

ABSTRACT:
Disclosed are olefin polymers in nonextruded, aspolymerized particle form having a regular, essentially symmetrical geometrical shape, which are stabilized by depositing on their surface a mixture which is either melted, or in which at least stabilizer (A) is in the liquid state, and which comprises the following stabilizers (percent by weight on the polymer):

REFERENCES:
patent: 4187212 (1980-02-01), Zinke et al.
patent: 4377651 (1983-03-01), Leininger
patent: 4463112 (1984-07-01), Listner et al.
patent: 4739000 (1988-04-01), Burton
patent: 4853426 (1989-08-01), Chatterjee
patent: 5017633 (1991-05-01), Tscheulin
patent: 5045577 (1991-09-01), Mulhaupt et al.

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