Epoxidized natural rubber with epoxy resin and trialkoxysilyl gr

Details Epoxidized natural rubber with epoxy resin and trialkoxysilyl gr Epoxidized natural rubber with epoxy resin and trialkoxysilyl gr

1991-03-08

1992-10-20

Sellers, Robert E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525107, 525122, C08L 700, C08L 6302, C08L 6304

Patent

active

051570793

ABSTRACT:
The invention is directed to a process for preparing a sealant and adhesive useful, e.g., in double glazing systems. The sealant comprises 20-80 weight percent epoxidized natural rubber, 5-30 weight percent of at least one further epoxy compound, and, as a crosslinking agent, a polyamine or polymercaptan carrying trialkoxysilyl groups. The crosslinking agent is incorporated into the epoxidized natural rubber in one step.

REFERENCES:
patent: 2971864 (1961-02-01), Speier
patent: 4169822 (1979-10-01), Kutch et al.
patent: 4179537 (1979-12-01), Rykowski
patent: 4328277 (1982-05-01), Molari, Jr.
patent: 4369222 (1983-01-01), Hedrick et al.
patent: 4416923 (1983-11-01), Murase
patent: 4444936 (1984-04-01), Schwarz et al.
patent: 4463129 (1984-07-01), Shinada et al.

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