Process for preparation polyisocyanate composition

Details Process for preparation polyisocyanate composition Process for preparation polyisocyanate composition

2005-05-03

2005-05-03

Sergent, Rabon (Department: 1711)

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

Organic compounds

Amino nitrogen containing

C528S056000, C560S115000, C560S157000, C560S158000, C564S045000

Reexamination Certificate

active

06888028

ABSTRACT:
Using at least one compound selected from the group consisting of a zirconyl compound and a zirconium alcoholate as an allophanation catalyst, an allophanate group-containing polyisocyanate composition is produced from a starting material of at least one isocyanate compound selected from the group consisting of an aliphatic diisocyanate, an alicyclic diisocyanate and an isocyanate pre-polymer obtained therefrom, and another starting material of a hydroxyl group-containing compound.

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