ARTIFICIAL SOIL BLOCK FOR PLANT CULTURE AND PRODUCTION THEREOF

PURPOSE:To obtain the subject inexpensive and safe block, by blending at least one of a water-soluble urethane prepolymer and gypsum with a gas and expanding. CONSTITUTION:At least one of a water-soluble urethane prepolymer and gypsum is dissolved or dispersed into water, mixed with at least the oth...

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Bibliographic Details
Main Authors TANIGAWA HIROMI, SABURI TAKESHI, ISHIBASHI MASATOSHI
Format Patent
LanguageEnglish
Published 14.12.1989
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Summary:PURPOSE:To obtain the subject inexpensive and safe block, by blending at least one of a water-soluble urethane prepolymer and gypsum with a gas and expanding. CONSTITUTION:At least one of a water-soluble urethane prepolymer and gypsum is dissolved or dispersed into water, mixed with at least the other of the water- soluble urethane prepolymer and gypsum, incorporated with a gas at a proper stage of the mixing and expanded to give the aimed block. 500-4,000 pts.wt. water is preferably used based on 100 pts.wt. water-soluble urethane prepolymer.
Bibliography:Application Number: JP19880171647