Preparation of filled reactive polyurethane carpet backing formu

Details Preparation of filled reactive polyurethane carpet backing formu Preparation of filled reactive polyurethane carpet backing formu

1999-03-12

2000-03-21

Cameron, Erma

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...

528 44, 521 40, 521 50, C08J 300, C08J 900, C08J 1100

Patent

active

060403810

ABSTRACT:
The present invention is a continuous process for preparing formulations useful for making filled polymer carpet backings. The present invention particularly incorporates polyisocyanate as a reactive diluent in a continuous process for preparing filled polyurethane polymers. Use of the present invention allows production of carpet backings that incorporate high loadings of filler materials.

REFERENCES:
patent: 4515646 (1985-05-01), Walker et al.
patent: 4715912 (1987-12-01), Tillotson
patent: 4916183 (1990-04-01), Barron et al.
patent: 5096764 (1992-03-01), Terry et al.
patent: 5480589 (1996-01-01), Belser et al.
D. Ramazzotti, "Dynamic Mixer with Metered Dry Filler Feed Capability", Proceedings of the SPI 33.sup.rd Annual Technical/Marketing Conference, pp. 125-128 1990.

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