Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1999-02-12
2000-07-18
Truong, Duc
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528 86, 528 87, 528 99, 528100, 528101, 528206, 1621571, 1621572, C08G 5942
Patent
active
060909056
ABSTRACT:
Mannich-derivatized polyphenolic compositions prepared by the reaction of a phenolic compound having at least two phenol rings with an aldehyde and an amphoteric compound having both a basic moiety and an acidic moiety are disclosed. Methods for utilizing such compositions in the control of stickie formation in papermaking are also disclosed.
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Chen Shih-Ruey T.
Juzukonis Walter A.
Calgon Corporation
Meyers Diane R.
Truong Duc
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