Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carbohydrate or derivative as a reactant
Patent
1991-02-11
1992-08-11
Nutter, Nathan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carbohydrate or derivative as a reactant
536107, C08G 1800, C08B 3100
Patent
active
051380064
ABSTRACT:
Modified starch ester-urethanes prepared by reacting a starch ester containing residual hydroxyl groups with an ethylenically unsaturated isocyanate. The grafted starch ester is a urethane-containing product having pendent groups such as alphamethylstyrene and/or methacrylate moieties. The starch ester-urethane is capable of undergoing crosslinking reactions on exposure to ultraviolet radiation in the presence of a photoinitiator, and optionally ethylenically unsaturated monomers or oligomers. The ethylenically unsaturated starch ester-urethanes of this invention are useful for protective coatings for wood, metal, and plastics.
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Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 21, Wiley-Interscience, New York (1983), pp. 492-507.
C. A. Wilham et al., Journal of Applied Polymer Science, vol. 7, (1963), pp. 1403-1410.
Cook Phillip M.
Dunn, Jr. C. Rhea
Kuo Chung M.
Culpeper Mullis Jeffrey
Deaton Betty J.
Eastman Kodak Company
Heath, Jr. William P.
Nutter Nathan M.
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