Elastomers and Composites
- Volume 48 Issue 3
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- Pages.241-248
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- 2013
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- 2092-9676(pISSN)
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- 2288-7725(eISSN)
DOI QR Code
Mechanical Properties of Polyurethane Foam Prepared from Prepolymer with Resin Premix
Prepolymer와 Resin Premix로 부터 제조된 Polyurethane Foam의 기계적 성질
- Kim, Tae Sung (Taekwang Ind. Co., Ltd. Research Center) ;
- Park, Chan Young (Department of Polymer Engineering, Pukyong National University)
- Received : 2013.08.05
- Accepted : 2013.08.26
- Published : 2013.09.30
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.
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Acknowledgement
Supported by : 부경대학교
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