Process for the preparation of polyisocyanates containing isocya

Details Process for the preparation of polyisocyanates containing isocya Process for the preparation of polyisocyanates containing isocya

1980-05-19

1982-04-13

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 52, 528 67, 528 73, 544193, 544196, 260453P, C08G 1820, G08G 1880, C08G 1879

Patent

active

043248799

ABSTRACT:
The present invention is concerned with an improved process for the production of partially trimerized hexamethylene diisocyanate which yields isocyanurate isocyanates which have low viscosity and low monomer contents by the use of a quaternary ammonium hydroxide catalyst which is hydroxyalkyl substituted at its N atom.

REFERENCES:
patent: 3010963 (1961-11-01), Erner
patent: 3042632 (1962-07-01), Erner
patent: 3211703 (1965-10-01), Gilman et al.
patent: 3330828 (1967-07-01), Grogler et al.
patent: 3487080 (1969-12-01), Matsui et al.
patent: 3583943 (1971-06-01), Weber et al.
patent: 3892687 (1975-07-01), Bechara et al.
patent: 3995997 (1976-12-01), Boehinke et al.
patent: 4115373 (1978-09-01), Henes et al.
DAS 1,013,869, Bayer A/G, Aug. 14, 1957.
DAS 2,226,191, Bayer A/G, Dec. 13, 1973.
DOS 2,325,826, Veba-Chemie, Dec. 19, 1974.
DOS 2,616,415, BASF A/G, Nov. 3, 1977.
DOS 2,644,684, Veba-Chemie, Apr. 6, 1978.

Affiliated with

Also associated with

Rating

Process for the preparation of polyisocyanates containing isocya does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of polyisocyanates containing isocya, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of polyisocyanates containing isocya will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1418068