Gel prevention in polymers

Electricity: measuring and testing – Magnetic – With temperature control of material or element of test circuit

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524330, 524331, C08K 537

Patent

active

048473138

ABSTRACT:
This invention is concerned with the prevention of gel formation in polymers. More specifically, this invention is directed to a unique combination of materials that greatly lessens the formation of gel in elastomers during processing and storage. The combination comprises a hindered phenolic antioxidant and an alkylated phenol/primary mercaptan/formaldehyde reaction product.

REFERENCES:
patent: 3984372 (1976-10-01), Cottman
patent: 4168387 (1979-09-01), Cottman
patent: 4707300 (1987-11-01), Sturm et al.
patent: 4732923 (1988-03-01), Takata et al.

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