Clarifying compositions, process for making and polyolefin compo

Details Clarifying compositions, process for making and polyolefin compo Clarifying compositions, process for making and polyolefin compo

1995-05-05

1995-11-21

Mulcahy, Peter D.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

25240024, 524128, C08K 515, C08K 551, C09K 1532

Patent

active

054687926

ABSTRACT:
Disclosed is a clarifying composition mainly containing a phosphonite stabilizer composition, the main component of which is tetrakis-(2,4-di-tert-butylphenyl)-4,4-biphenylene diphosphite, with certain sorbitol based compounds having a melting point of greater than 200.degree. C., a process for preparing the clarifying compositions and polyolefin compositions containing the clarifying composition.

REFERENCES:
patent: 4016118 (1977-04-01), Hamada et al.
patent: 4388119 (1983-06-01), Uchiyama
patent: 4483952 (1984-11-01), Uchiyama
patent: 5001179 (1991-03-01), Kauffman et al.
patent: 5077328 (1991-12-01), Haruna et al.

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