Stabilization of damaged thermoplastics

Details Stabilization of damaged thermoplastics Stabilization of damaged thermoplastics

1997-08-27

2000-06-20

Sanders, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 91, 524109, 524130, 524147, 524359, 524394, 524400, 524424, 524427, 524432, 524433, 524436, C08K 534, C08K 515, C08K 551, C08K 507

Patent

active

060778911

ABSTRACT:
Damaged thermoplastics can be outstandingly stabilized by the use of a mixture comprising a) 0.05 to 20% by weight, based on the plastic to be stabilized, of at least one polyfunctional epoxide, b) 0.01 to 2% by weight, based on the plastic to be stabilized, of at least one sterically hindered phenol.

REFERENCES:
patent: 4504615 (1985-03-01), Mills
patent: 4814103 (1989-03-01), Potter et al.
Derwent Abstract 93-365377 Oct. 1993.
Chem. Abst. 118:235360m Jan. 1993.
Chem. Abst. 118:104264k Jan. 1993.
Chem Abst. 120:324997h Jan. 1994.
Chem. Abst. 118:214407a Jan. 1993.
Derwent Abstr. 37605c/21, May 7, 1980.
Derwent Abstr. 89-243582/34, May 5, 1989.

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