Monomeric and oligomeric glutarate-based light stabilizers for p

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524102, 524103, 540523, 546 19, 546187, C07P40112, C07D40114, C08K 534

Patent

active

048046990

ABSTRACT:
Monomeric and oligomeric derivatives of the dialkyl esters of polyalkyl 1,5-dioxa-9-azaspiro-[5.5]undecane-3,3-diacetic acid are useful light stabilizers for synthetic polymer resins such as polyolefins, and in particular, polypropylene.

REFERENCES:
patent: 4689360 (1987-08-01), Nelson et al.
patent: 4701485 (1987-10-01), Nelson et al.
patent: 4710527 (1987-12-01), Nelson et al.

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