Polyurethane sealant compositions

Details Polyurethane sealant compositions Polyurethane sealant compositions

1981-09-23

1982-11-16

Jacobs, Lewis T.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524789, C08L 7508

Patent

active

043595499

ABSTRACT:
The subject matter of this invention pertains to polyurethane sealant compositions which are flexible, strong, and resistant to shrinkage. The sealants are prepared by reacting a mixture of polyether polyol and inorganic filler with a polyisocyanate. The polyurethane sealants are useful for making castings, for patching, and as heat barriers.

REFERENCES:
patent: 3450653 (1969-06-01), McClellan
patent: 3484517 (1969-12-01), Ligon et al.
patent: 3886122 (1975-05-01), Fabris et al.
patent: 4240950 (1980-12-01), von Bonin et al.
patent: 4250077 (1981-02-01), von Bonin et al.

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