Process for production acid polyester resins and powder coating products prepared from said resins
US4065438A · kind A · utility
17Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 1, 1977 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | Feb 1, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a process for producing acid polyester resins used for the manufacture of coatings, especially powder coatings, wherein a prepolymer having a hydroxyl index of between 40 and 200 is reacted with isophthalic acid to form an acid polyester resin having an acid index between 50 and 100 which is further reacted with an epoxy resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.