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Water-soluble sulfonated phenolic resins. I. Synthesis

✍ Scribed by K. C. Hsu; Y. F. Lee

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
599 KB
Volume
57
Category
Article
ISSN
0021-8995

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✦ Synopsis

Taiwan 11718, Republic of China

SYNOPSIS

A new water-soluble sulfonated phenolic resin as a water reducer in concrete was prepared in this study. It was synthesized from formaldehyde, phenol, and NaHS03 through a fourstep reaction procedure. The structure of resin was determined through analyses of IR and NMR spectra. The influence of reaction conditions on the properties of synthesized products was also examined and discussed.

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✍ Kung-Chung Hsu; Sheng-Da Chen; Nan Su 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 126 KB 👁 2 views

The effects of the degree of sulfonation (DS) and molecular weight (MW) of sulfonated phenolic resins (SPF) on the flow properties of cementitious materials were investigated. SPF resin was prepared from phenol, formaldehyde, and sodium bisulfite through a four-step reaction. It was found that an in