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Process for prepari...
Abstract
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- The present invention discloses a new method for cellulose in NaOH / Urea homogeneous hydroxyethyl Preparation hydroxyethylcellulose. The method of the cellulose is completely dissolved in 6wt% sodium hydroxide / 4wt% aqueous solution of urea, and 2-chloroethanol with hydroxyethyl cellulose homogeneous reaction in the aqueous solution used successfully prepared water-soluble hydroxyethyl cellulose. No significant degradation of cellulose occurs in the course of the reaction. This is a new process for the preparation of hydroxyethyl cellulose, low cost, non-polluting, and high product purity, good uniformity.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Pappers-, massa- och fiberteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Paper, Pulp and Fiber Technology (hsv//eng)
Publication and Content Type
- pop (subject category)
- pat (subject category)
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