## Abstract Eight __s__βtriazineβcontaining polyimides were synthesized by solution polycondensation of diisocyanates having an __s__βtriazine ring with pyromellitic dianhydride in dimethylacetamide. Polyimides derived from __meta__βoriented diisocyanates were amorphous and soluble in dipolar aprot
Synthesis and properties of polyurethanes containing s-triazine rings in the main chain
β Scribed by Bhimrao D. Sarwade; Prakash P. Wadgaonkar; Sudhakar S. Mahajan
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 344 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0887-624X
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Ten new aromatic polyamides containing s-triazine rings in the main chain were synthesized by the low temperature interfacial polycondensation technique involving the reactions of each of the two s-triazine containing diacylchlorides, viz., 2,4-bis (4-chlorocarbonylphenoxy)-6-methoxy-s-triazine and
A series of new poly(arylene ether sulfone phenyl-s-triazine) copolymers containing phthalazinone moieties in the main chain (PPESPs) were prepared by a direct solution polycondensation of 4-(4hydroxylphenyl)(2H)-phthalazin-1-one (HPPZ) with 2-phenyl-4,6-bi(4-fluorophenyl)-1,3,5-triazine (BFPT) and