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http://dx.doi.org/10.7473/EC.2013.48.3.241

Mechanical Properties of Polyurethane Foam Prepared from Prepolymer with Resin Premix  

Kim, Tae Sung (Taekwang Ind. Co., Ltd. Research Center)
Park, Chan Young (Department of Polymer Engineering, Pukyong National University)
Publication Information
Elastomers and Composites / v.48, no.3, 2013 , pp. 241-248 More about this Journal
Abstract
Polyester type polyurethane foam has low hydrolysis resistance. It was overcome with addition of acrylic polyol by quasi prepolymer method. Tensile strength and hardness of polyurethane foam contained acrylic polyol was increased with increasing of acrylic polyol contents. But split tear strength and tear strength was slightly changed. Hydrolysis resistance of polyurethane foam was measured by loss % of tensile strength. It was improved with increasing of acrylic polyol contents from 25.5g to 102g.
Keywords
polyurethane foam; hydrolysis resistance; acrylic polyol; prepolymer; tear strength;
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