Carbamic acid esters as catalysts for trimerization of isocyanat

Details Carbamic acid esters as catalysts for trimerization of isocyanat Carbamic acid esters as catalysts for trimerization of isocyanat

1977-06-22

1978-11-07

Ivy, C. Warren

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521902, 521160, 528 45, 528 53, 260472, 544193, 560 28, 560 32, 560163, C08G 1820

Patent

active

041245458

ABSTRACT:
Novel compounds which upon heating are converted into the corresponding phenol which is a catalyst for the trimerization of compounds having isocyanato groups to form isocyanurates have the formula: ##STR1## in which N REPRESENTS AN INTEGER OF FROM 1 TO 4

REFERENCES:
patent: 3125598 (1964-03-01), Kuhle
patent: 3222303 (1965-12-01), Hampson
patent: 3620986 (1971-11-01), Diehr
patent: 3803062 (1974-04-01), Rodia

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