Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1990-05-15
1992-08-11
Short, Patricia
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525415, 525437, 525440, 525444, C08L 6702, C08L 6704, C08G 1828
Patent
active
051379848
ABSTRACT:
A mixture of hydroxy functional polymers which can be used to form isocyanate prepolymers which are non-hairing at application temperature are disclosed. Examples of suitable mixtures of hydroxy functional polymers that can be used to form the prepolymers are:
(1) linear polyester blends, comprising a first and second polyester wherein each polyester is the reaction product of a polyol and a polyacid, wherein
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Encyclopedia of Chemical Technology, Kirk-Othmer, 2nd Ed., vol. 12 Interscience Publ., N.Y. (1967), pp. 46-47.
Polymer-Polymer Miscibility, Olabisi et al., Academic Press, N. Y. (1979), p. 2.
Kangas Lani S.
Stobbie, IV Charles W.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Co.
Short Patricia
Skolnick Steven E.
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