Aliphatic triisocyanate, a method for preparing it and the preparation of polyurethane resins therewith
US4314048A · kind A · utility
7Cited by
7References
5Claims
0Family size
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Key dates
| Filing date | Feb 20, 1981 |
| Grant date | Feb 2, 1982 |
| Priority date | — |
| Expiry date | Feb 20, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/73
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
4-Isocyanate methyl-1,8-octamethylene diisocyanate of the formula (I), ##STR1## and a method of preparing 4-isocyanate methyl-1,8-octamethylene diisocyanate of the formula (I) which comprises reacting 4-aminomethyl-1,8-diaminooctane of the formula (II), ##STR2## or its salt with phosgene at a temperature of about 70.degree. C. to about 220.degree. C. in an inert reaction medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.