Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-09-14
1989-04-25
Henderson, Christopher
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525352, C08F 834
Patent
active
048249149
ABSTRACT:
It is often desirable to utilize accelerators in the sulfur vulcanization of unsaturated rubbers. In many cases a primary accelerator is used in combination with another accelerator, called a secondary accelerator or activator, which further increases the rate of vulcanization. It has been determined that compounds having the structural formula:
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patent: 2772251 (1956-11-01), Hansen
patent: 2813566 (1957-11-01), Ruggeri
patent: 2849426 (1958-08-01), Miller
patent: 4150014 (1979-04-01), Edwards
Henderson Christopher
Rockhill Alvin T.
The Goodyear Tire & Rubber Company
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