Treating agent for preventing grating noise from generating between urethane foam and metal surface and method thereof
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United States of America Patent
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Mar 19, 2002
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Apr 21, 2000
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Aug 24, 1998
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Abstract
A noise inhibitor for preventing a creaking noise production consisting of: a non-ionic or a carboxylic acid type negative ionic oil-soluble surfactant; and water or a wax emulsion solution, the surfactant being diluted by 2 to 15 times with the water or the wax emulsion solution. The range of HLB of the surfactant is from 8.0 to 10 and the range of pH of the noise inhibitor is from 7.5 to 9.5.
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