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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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
14.12.1989
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Subjects | |
Online Access | Get full text |
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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. |
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Bibliography: | Application Number: JP19880171647 |