MDI-based polyurethane prepolymer with low monomeric MDI...

Details MDI-based polyurethane prepolymer with low monomeric MDI... MDI-based polyurethane prepolymer with low monomeric MDI...

2005-04-26

2005-04-26

Seaman, D. Margaret (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C528S077000, C528S044000, C528S065000, C528S066000, C525S123000, C524S507000, C524S839000

Reexamination Certificate

active

06884904

ABSTRACT:
An MDI/polypropylene polyether prepolymer composition consisting essentially of at least 80 wt % perfect prepolymers and less than 2 wt % free MDI monomer suitable for use in polyurethane adhesive compositions optionally also comprising a curative for isocyanate groups.

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