Effect of the ratio of reactive groups on gelation and cyclization during polyurethane network formation
✍ Scribed by J Budinski-Simendic; Z.S Petrović; M Ilavský; K Dušek
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 634 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0032-3861
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## Abstract **Summary:** Cornstarch derivative (ES), prepared using diethyl sulfate as an etherifying reagent, was blended with castor oil‐based polyurethane (PU) prepolymer to obtain a series of semi‐interpenetrating polymer network (semi‐IPN) materials, named as UES films. Simultaneously, other k
A series of interpenetrating polymer networks (IPNs) of polyurethane/ polyacrylates were synthesized. Their morphology was investigated by means of smallangle X-ray scattering (SAXS) and transmission electron microscope (TEM). The influence of an active positive charge group (ON(CH 3 ) 2 ) on the ph