Hydrophilic polyisocyanate compositions based on phosphate esters
US8247482B2 · kind B2 · utility
1Cited by
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16Claims
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Key dates
| Filing date | Nov 17, 2008 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Nov 17, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/521
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a composition comprising at least one (poly)isocyanate and at least one surfactant comprising an amino acid and a mixture of compounds of formulae (I) and (II) wherein i and j independently represent 0 or 1; and R1 et R2 are identical or different and independently represent a hydrocarbonated chain. Said mixture of compounds of formulae (I) and (II) is characterized in that the molar ratio between compound (II) and compound (I) is higher than 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.