Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1979-04-13
1980-12-16
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
260 38, 528129, 528137, 528143, 528165, 2643282, C08G 810, C08G 828
Patent
active
042398690
ABSTRACT:
Phenolic novolak resins are described which provide extended resin stability at relatively low temperatures without significant adverse affect on the cure speed at the molding temperature. The resins are especially suited for use in runnerless injection or cold manifold molding processes, but can also be used in transfer, compression and injection molding processes.
REFERENCES:
patent: 2816085 (1957-12-01), Anas et al.
patent: 3687896 (1972-08-01), Vargiu et al.
patent: 3959433 (1976-05-01), Sauers
Briggs Sr. Wilbert J.
Casella Peter F.
Hooker Chemicals & Plastics Corp.
Mudd James F.
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