| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of an inorganic expanded material expanding a mixture of a vinyl chloride resin and an inorganic filler by using an organic solvent less in load to environment.SOLUTION: In a manufacturing method of an inorganic expanded material obtained by heating a mixed article obtained by mixing a vinyl chloride resin, an inorganic filler, an organic solvent and an expanding agent in a compressed mold, cooling it and removing pressure, a carbonate ester solvent is used as the organic solvent and chlorinated paraffin is blended with the mixed article.SELECTED DRAWING: None |
