Abstract
2-methyl-1,3-propanediol (MPDiol) was studied as an improvement over the currently used neopentyl glycol (NPG) in polyester coatings' resins. A direct substitution of MPDiol for NPG was made, along with a partial replacement of adipic acid by isophthalic acid. The properties of the resulting polyester resins were studied. The performance of high solids coatings made with these resins was evaluated at two different melamine levels. The results indicated several advantages to MPDiol. Among these are its liquid form, asymmetry of the monomer, reduced crystallinity when polymerized, and a shorter cook time. Performance tests indicated an improvement in flexibility over the NPG based coating.
| Original language | American English |
|---|---|
| Pages (from-to) | 472-487 |
| Number of pages | 16 |
| Journal | Proceedings of the Water-borne and Higher-solids Coatings Symposium |
| State | Published - Jan 1 1990 |
| Event | Proceedings of the Seventeenth Water-Borne and Higher-Solids Coatings Symposium - New Orleans, LA, USA Duration: Feb 21 1990 → Feb 23 1990 |
ASJC Scopus Subject Areas
- General Engineering
Disciplines
- Chemistry
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