Heat generation delay agent for solid raw materials and heat generation delay method

摘要

PROBLEM TO BE SOLVED: To provide a heat generation delaying agent and a heat generation delaying method for preventing spontaneous combustion by suppressing oxidation of a solid raw material fuel such as coal and delaying heat generation. SOLUTION: A heat generation retarder of a solid raw material containing polyvinyl alcohol having a degree of polymerization of 100 to 500 and a surfactant. [Selection diagram] None