SULFONATED PHENOL
National Institutes of Health
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(C. 260-49) 6. Claims. 1. This invention relates to an improved proceSS for preparing synthetic resins of the sulfonated phenol…
Three sorts of superplasticizers based on sulfonated phenol\|formaldehyde resins are prepared. The superplasticizers can reduce…
The effects of sulfonated phenol\|formaldehyde resins(SPF) on the compressive strength of cements and concretes are investigated…