Toluene diisocyanate residue-based compositions as fillers for p

Details Toluene diisocyanate residue-based compositions as fillers for p Toluene diisocyanate residue-based compositions as fillers for p

1996-12-27

1998-05-19

Sergent, Rabon

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...

2521822, 25218221, 25218222, 521 405, 521 495, 524196, 524198, 524199, 525452, 525453, 525457, 525458, 525460, 528 49, 528 59, 528 67, 528 76, 528 80, 528 85, 560 24, 560 25, 560 26, 560330, 560336, 560360, C08K 5205, C08K 529, C08L 7504, C08G 1872

Patent

active

057537500

ABSTRACT:
TDI residue-based urethane-filled isocyanate compositions are produced by reacting a TDI residue satisfying specified criteria with a monofunctional alcohol in amounts such that the equivalent ratio of isocyanate groups to hydroxyl groups is from about 0.9:1 to about 1:0.9. This reaction product is then dissolved in a diisocyanate or polyisocyanate. These TDI residue-based urethane-filled isocyanate compositions are particularly useful in the production of polyurethanes.

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patent: 5185384 (1993-02-01), Daussin et al.
patent: 5216042 (1993-06-01), Daussin et al.
patent: 5290818 (1994-03-01), Nafziger et al.

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