Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1991-11-01
1993-07-06
Morgan, Kriellion S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524109, C08K 5521, C08K 515
Patent
active
052254674
ABSTRACT:
Nonylphenyl neopentylene phosphite, or stated in terms of systematic nomenclature 5,5-dimethyl-2-nonylphenoxy-1,3,2-dioxaphosphorinane, compositions effective to stabilize cellulose ester resins against the degradative effects of heat and processing are disclosed. In accordance with the present invention, preferred stabilizing compositions for cellulose ester resins include nonylphenyl neopentylene phosphite in combination with epoxidized linseed oil. These stabilizing compositions demonstrate their stabilizing effectiveness by maintaining the melt viscosity of the polymer during hot working and minimizing discoloration of the polymer when heated.
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Ahluwalia Surinder
Fisch Michael H.
Peveler R. David
Morgan Kriellion S.
Witco Corporation
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