| Issue |
Korean Chemical Engineering Research,
Vol.48, No.4, 434-439, 2010
Vol.48, No.4, 434-439, 2010
Aminosilane Terminated 수분산 폴리우레탄 코팅 용액의 제조 및 특성
Preparation and Properties of Aminosilane Terminated Waterborne Polyurethane
Isophorone diisocyanate(IPDI), poly(tetramethyleneglycol)(PTMG), dimethylol propionic acid(DMPA)를 출발물질로 하여 NCO terminated prepolymer가 합성되었다. 이 prepolymer의 NCO기를 silane으로 capping하기 위해 0~0.02 mole로 첨가량이 조절된 aminopropyl triethoxysilane(APS)이 첨가되었다. 제조된 용액의 평균 입경은 APS의 첨가량이 증가함에 따라 증가하였다. 또한 제조된 코팅 필름의 연필 경도 및 열적안정성은 순수한 수분산 폴리우레탄보다 우수하였다.
NCO terminated polyurethane prepolymers were synthesized from isophorone diisocyanate(IPDI), poly (tetramethyleneglycol)(PTMG) and dimethylol propionic acid(DMPA). Subsequently, aminosilane terminated prepolymers were prepared by capping the NCO groups of polyurethane prepolymers with different moles of aminopropyl triethoxysilane(0~0.02 mole) as a coupling agent. The average particle size of the silylated polyurethane solutions increased with increasing APS content. Also, the prepared coating films showed better thermal stability and pencil hardness than pure waterborne polyurethane.
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- Shin YT, Hwang JH, Hong MG, Choi JJ, Lee WK, Lee GB, Yoo BW, Lee MG, Song KC, Korean Chemical Engineering Research, 49(3), 285, 2011
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- Shin YT, Hong MG, Kim BS, Lee WK, Yoo BW, Lee MG, Song KC, Korean Chemical Engineering Research, 49(5), 548, 2011
- Shin YT, Hong MG, Kim BS, Lee WK, Yoo BW, Lee MG, Song KC, Korean Chemical Engineering Research, 50(2), 191, 2012
- Hong MG, Kim BS, Song KC, Korean Chemical Engineering Research, 50(3), 403, 2012
- Kim BS, Hong MG, Yoo BW, Lee MG, Lee WI, Song KC, Korean Chemical Engineering Research, 50(3), 410, 2012
- Kim BS, Yoo BW, Lee MG, Byun TG, Song KC, Korean Chemical Engineering Research, 50(4), 632, 2012
- Kim BS, Yun DG, Yoo BW, Lee MG, Byun TG, Song KC, Korean Chemical Engineering Research, 50(4), 639, 2012
- Na SE, Choi HO, Lee JK, Kim SY, Ju CS, Korean Chemical Engineering Research, 50(5), 783, 2012
- Huh WY, Yun DG, Song KC, Korean Chemical Engineering Research, 52(4), 451, 2014
- Kim NW, Ahn CY, Song KC, Korean Chemical Engineering Research, 54(3), 387, 2016
- Lee CR, Jeong EY, Jo NJ, Polymer(Korea), 42(2), 320, 2018
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