Organo selenium and/or organo tellurium curing agent for mercapt

Details Organo selenium and/or organo tellurium curing agent for mercapt Organo selenium and/or organo tellurium curing agent for mercapt

1979-05-11

1980-09-23

Danison, Walter C.

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

Synthetic resins

From carboxylic acid or derivative thereof

156332, 428480, 528272, 528293, C08G 6314, C08G 6368

Patent

active

042244366

ABSTRACT:
At least one of an organo selenium and an organo tellurium curing agent is incorporated with a sealant comprising essentially a mercaptan-terminated polyether-polyester liquid polymer. In one embodiment there is provided a sealant composition comprising at least one of a selenium and tellurium N-substituted dithiocarbamate curing agent. Final compositions are obtained having improved thermal stability at temperatures of the order of 150.degree. C.

REFERENCES:
patent: 2549565 (1970-12-01), Jones et al.
patent: 2956985 (1960-10-01), Scruggs et al.
patent: 3654241 (1972-04-01), Doughty et al.
patent: 3705882 (1972-12-01), Skillicorn
patent: 3795655 (1974-03-01), LeClaire et al.
patent: 3817936 (1974-06-01), Jones et al.
patent: 3849381 (1974-11-01), Doss et al.
patent: 3991039 (1976-11-01), Gunter et al.
patent: 4016332 (1977-05-01), Anderson et al.
patent: 4113707 (1978-09-01), Louthan et al.

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