Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1982-05-07
1984-05-29
Henderson, C. A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
523219, 524425, 524439, 524441, 524590, 524445, 524448, 524449, 524451, 524361, 524379, 524919, C08K 334, C08K 326, C08K 308, C08K 322
Patent
active
044516053
ABSTRACT:
A one part composition useful as a putty for filling recessed areas in flexible parts of damaged auto bodies and the like is provided. The curable composition has a viscosity in the range of 50,000 to 450,000 cps and comprises by volume 6 to 25 parts binder comprising substantially non-reactive solvent-soluble polyurethane, 43 to 68 parts solvent for the binder and 20 to 42 parts talc filler. Other fillers may also be included. The preferred polyurethane binder is a linear polyurethane elastomer which is substantially free of cross-links and has an elongation at break value in the range of 300-850% and a tensile strength in the range of 1,500 to 7,000 psi.
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Francis Richard
Henderson C. A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
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