Process for incorporating pigments into thermoplastics, and adhesion promoters for use in this process
US4540730A · kind A · utility
4Cited by
8References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 6, 1983 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | Jun 6, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J3/203
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An adhesion promoter for use in incorporating pigments into thermoplastics, contains an organic solvent for and compatible with the polymer and a surfactant stable under the temperatures of the operating conditions used to shape the composition. It can be employed, in particular, when incorporating pearlescent pigments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.