Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-02-27
1989-03-21
Pertilla, Theodore E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525398, 525401, C08L 6100
Patent
active
048143979
ABSTRACT:
Incorporation of 0.1-10 weight percent of certain polymers and/or oligomers containing both hydroxy groups and at least one other functional group that is a stronger Lewis base than the hydroxy groups into polyacetal molding compositions results in improved thermal stability of such compositions.
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E. I. Du Pont de Nemours and Company
Pertilla Theodore E.
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