Influence of TDI concentration on the properties of unsaturated polyester resins

Autor:	J. Osypiuk, Tadeusz Matynia, Barbara Gawdzik
Rok vydání:	2000
Předmět:	Thixotropy Polymers and Plastics Toluene diisocyanate Chemical modification Unsaturated polyester General Chemistry Surfaces Coatings and Films Viscosity End-group chemistry.chemical_compound Chemical engineering chemistry Materials Chemistry Organic chemistry Thermal stability
Zdroj:	Journal of Applied Polymer Science. 79:1201-1206
ISSN:	1097-4628 0021-8995
DOI:	10.1002/1097-4628(20010214)79:7<1201::aid-app70>3.0.co;2-a
Popis:	Three different unsaturated polyester resins were modified by toluene diisocyanate (TDI). All the resins studied were commercially available. One, 2, and 3% additions of TDI caused important changes of the resins properties. With an increase of TDI concentration gelation times increased. Suppression of the exotherm peaks—desired effect from practical point of view—was observed. Unfortunately, increase of TDI concentration caused enormous increase of the resins viscosity. Additionally the resins with 3% of TDI exhibit thixotropic properties. © 2000 John Wiley & Sons, Inc. J Appl Polym Sci 79: 1201–1206, 2001
Databáze:	OpenAIRE
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