Aqueous polyamide dispersion composition
US6077900A · kind A · utility
14Cited by
36References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1998 |
| Grant date | Jun 20, 2000 |
| Priority date | — |
| Expiry date | Sep 29, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2377/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An aqueous dispersion containing a polyamide and non-polyamide polymer is prepared by dissolving the polyamide in an organic solvent with a surfactant to form a polyamide solution. Water is then added to the polyamide solution to form an aqueous dispersion. The non-polyamide polymer can be added before or after the addition of water. The polyamide/non-polyamide dispersion can be used to produce an ink with better adhesion to plastic substrates and reduced blocking problems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.