| 摘要 |
PURPOSE: A manufacturing method of NBR rubber foam heat insulting material is provided to manufacture highly flame retardant NBR rubber foam insulating material without degrading insulating performance and moisture-permeability by controlling composition and process condition. CONSTITUTION: A manufacturing method of NBR rubber foam heat insulting material comprises: a step of mixing nitrile butadiene rubber, magnesium hydroxide, sulfur, adipic acid ester, zinc oxide, diaminodiphenylsulfone, talc, a blowing agent, and a blowing aid; a step of measuring the mixed raw material at 10-80°C for 1-12 hours; a step of extruding the measured raw material by putting into an extruder; and a step of foaming the extruded product.
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