Settable alignate compositions containing polyacrylamide

Details Settable alignate compositions containing polyacrylamide Settable alignate compositions containing polyacrylamide

1983-05-02

1984-08-28

Hayes, Lorenzo B.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

106 35, 106 385D, 106206, 106208, 106209, 433213, 433214, 524 28, A61K 608

Patent

active

044684843

ABSTRACT:
An oral, settable, dental composition is prepared by interacting Component A containing an alkali metal alginate in an aqueous paste with Component B containing a divalent metal salt such as calcium sulfate and a reaction rate retarder such as tetrasodium pyrophosphate in a fluid plasticizer paste that is substantially free of unbound water. A non-grainy, smooth texture of the pre-set, blended components is obtained by incorporating into Component A a polymer comprising polyacrylamide.

REFERENCES:
patent: 4113854 (1978-09-01), Andrews et al.
patent: 4115331 (1978-09-01), Tominaga et al.
patent: 4161410 (1979-07-01), Pellico

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