Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-06-02
1996-11-12
Hamilton, III, Thomas
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525457, 525458, 528 40, 528 59, 528 67, C08L 7506, C08L 7508
Patent
active
055741142
ABSTRACT:
A blend of isocyanate-terminated polyurethane prepolymers is provided. The blend consists essentially of a first crystalline prepolymer based upon polyhexamethylene adipate and a second prepolymer based upon polytetramethylene ether glycol.
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Kangas Lani S.
Stobbie, IV Charles W.
Tangen John C.
Griswold Gary L.
Hamilton, III Thomas
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Skolnick Steven E.
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