A low viscosity tetrafunctional epoxy resin was synthesized by reacting amino-terminated polydimethylsiloxane with epichlorohydrin followed by dehydrohalogenation. The synthesized tetrafunctional aliphatic epoxy resin had an epoxy equivalent weight of 382, M n of 1492, M w of 2296, and a viscosity o
Synthesis and characterization of bisitaconimides. I
β Scribed by Anjali Solanki; Veena Choudhary; I. K. Varma
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 106 KB
- Volume
- 84
- Category
- Article
- ISSN
- 0021-8995
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An assay of the enzymic oxidation of tyrosine to dityrosine was performed to determine the optimum conditions for dityrosine formation. Improvements were introduced into the method for dityrosine synthesis and purification so as to obtain a higher yield (10%) of pure dityrosine. The product served a
By Schotten-Bauman's esterification of amylose with acryloyl chloride, a new ester derivative of starch-acryloyloxyamylose-was prepared, which contains double bonds. The effects of the reagent ratio, KOH concentration, and reaction time on the degree of amylose esterification were examined. The orig