Low modulus silicone sealants

Details Low modulus silicone sealants Low modulus silicone sealants

1990-01-16

1991-10-01

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524425, 524788, C08K 906

Patent

active

050534424

ABSTRACT:
A process for producing a silicone sealant, which is stable in the absence of moisture, cures when exposed to moisture, has an elongation at break of greater than 800 percent, and has adhesion to concrete. The silicon sealant is produced by first mixing an alkoxysilethylene endblocked polymer, a dialkyldialkoxysilane, and a titanium catalyst, then mixing in precipitated calcium carbonate filler having a fatty acid surface treatment.

REFERENCES:
patent: 3856839 (1974-12-01), Smith et al.
patent: 4143088 (1979-03-01), Favre et al.
patent: 4687829 (1987-08-01), Chaffee et al.
patent: 4711928 (1987-12-01), Lee et al.

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