Composition of allophanate and hydrophobic resin
US9708439B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 6, 2013 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Apr 8, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B3/302
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a composition for preparing (poly)urethane from an allophanate and from a hydrophobic resin. The invention also relates to the use of this composition as a replacement for poly(methylene diphenyl diisocyanate) (pMDI), in particular for the preparation of a material for encapsulating an electrical device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.