Polyurethane-poly (vinylchloride) interpenetrating network

Details Polyurethane-poly (vinylchloride) interpenetrating network Polyurethane-poly (vinylchloride) interpenetrating network

1990-07-10

1992-02-25

Carrillo, Ana L.

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...

524425, 524507, 525131, 525903, C08K 326, C08L 7504

Patent

active

050914553

ABSTRACT:
Interpenetrating network polymers (IPN's) are made by admixing polyols, polyisocyanate, and a poly(vinylchloride) plastisol, followed by heating to complete the cure. The resulting polyurethane/poly(vinylchloride) IPN has superior properties as sealant, especially for automotive parts.

REFERENCES:
patent: 3210439 (1965-10-01), Aitken et al.
patent: 3700752 (1972-10-01), Hutchinson
patent: 4302553 (1981-11-01), Frisch
patent: 4722969 (1988-02-01), Huynh-Tran
Pernice, J., Frisch, K. C., and Navare, R., Cellular Plastics, 18(2), 121-128.
Chem. Abs. 103(4): 2315/r.
Garcia D., J. Polym. Sci., Part B: Polym. Phys., 24(7), 1577-86.
Gifford, K. R., Moore, D. R., and Pearson, R. G. (Chem. Abs. 94(12): 85402w.).

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