Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – With leak-stopping agents
Patent
1994-02-02
1995-05-23
Skane, Christine
Compositions
Heat-exchange, low-freezing or pour point, or high boiling...
With leak-stopping agents
106 33, 252 67, 252 68, C09K 312
Patent
active
054178738
ABSTRACT:
An improved sealant for sealing leaks in pipelines and refrigeration and air conditioning circuits includes a partially hydrolized tetra methoxy silane along with another organo silane sealant. The use of a partially hydrolized tetra alkoxy silane, such as partially hydrolized tetramethoxy silane, in place of an unhydrolized tetra alkoxy silane, gives a stronger and tougher and more elastic seal, and the partially hydrolized material is less toxic than the unhydrolized material.
REFERENCES:
patent: 3483735 (1969-12-01), Packo
patent: 4237172 (1980-12-01), Packo et al.
patent: 4304805 (1981-12-01), Packo et al.
patent: 4331722 (1982-05-01), Packo et al.
patent: 4379067 (1983-04-01), Packo et al.
patent: 4442015 (1984-04-01), Packo et al.
patent: 4508631 (1985-04-01), Packo et al.
American Patent Group, Inc.
Skane Christine
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