지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
To prepare UV-curable polyurethane-acrylate oligomer, NCO-terminated urethane prepolymers with trimethylolpropane, [TMP; 0 (0), 0.1 (0.021) and 0.2 (0.043) mole (mole fraction)] as crosslinkable tri-functional chain extender were end-capped with pentaerythritol triacrylate [PETA; 2.0 (0.400), 1.7 (0.354) and 1.4 (0.304) mole (mole fraction)] with one hydroxyl group/three vinyl functionalities. The stable as-formulated UV-curable polyurethane-acrylates [stable mixtures of PETA-capped oligomer/reactive acrylic monomer diluents without/with heptadecafluorodecyl methacrylate (PFA; 0, 6 and 9 wt%)] were formed up to 0.2 (0.043) mole (mole fraction) of TMP content in the prepolymer, while homogeneous-mixing failed at 0.3 (0.068) mole (mole fraction), in which the crosslink density in NCO-terminated urethane prepolymer was too high to enable the formation of stable mixture. This study examined the effect of TMP/PETA molar ratio and heptadecafluorodecyl methacrylate (PFA) content (wt%) on the properties of UV-cured polyurethane-acrylates as marine antifouling coating materials. The properties of UV-cured polyurethane-acrylate were found to be significantly dependent on the crosslinkable TMP/PETA ratio and PFA content. With the increasing of the TMP and PFA contents, the contact angles increased, and consequently the surface tension decreased. The adhesion of algae/barnacles to PFA contained film samples were found to be sufficiently weak to allow their easy removal. These results suggest that the UV-cured samples containing PFA have strong potential as coating materials for antifouling applications.
목차
Abstract
1. Introduction
2. Materials and methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (36)
참고문헌 신청
[학술지(정기간행물)] - Yamazaki, E / 1997 / Segmented Poly(urethane)s Synthesized Directly from Isocyanate-Terminated Prepolymers and Masked Diamines I. Quantitative Synthesis / Polym. J 29 (10) : 811 ~ 817
[단행본] - Mark, H / 1972 / Encyclopedia of Polymer Science and Technology Volume 11 / John Wiley & Sons, Inc : 506 ~ 563
[학술지(정기간행물)] - Lai, Y. C / 1991 / Synthesis and Structure-Property Relationships of UV-Curable Urethane Prepolymers with Hard-Soft-Hard Blocks / J. Appl. Polym. Sci 42 : 2039 ~ 2044
[학술지(정기간행물)] - Chiou, B. S / 2002 / Effects of Crosslinking on Thermal and Mechanical Properties of Polyurethanes / J. Appl. Polym. Sci 83 : 212 ~ 223
[학술지(정기간행물)] - Liu, Y / 1998 / Effect of Chemical Crosslinking on the Structure and Mechanical Properties of Polyurethane Prepared from Copoly (PPO-THF) Triols / J. Appl. Polym. Sci 67 : 2163 ~ 2169
[단행본] - Mark, H / 1972 / Encyclopedia of Polymer Science and Technology Volume 11 / John Wiley & Sons, Inc : 506 ~ 563
[학술지(정기간행물)] - Lai, Y. C / 1991 / Synthesis and Structure-Property Relationships of UV-Curable Urethane Prepolymers with Hard-Soft-Hard Blocks / J. Appl. Polym. Sci 42 : 2039 ~ 2044
[학술지(정기간행물)] - Chiou, B. S / 2002 / Effects of Crosslinking on Thermal and Mechanical Properties of Polyurethanes / J. Appl. Polym. Sci 83 : 212 ~ 223
[학술지(정기간행물)] - Liu, Y / 1998 / Effect of Chemical Crosslinking on the Structure and Mechanical Properties of Polyurethane Prepared from Copoly (PPO-THF) Triols / J. Appl. Polym. Sci 67 : 2163 ~ 2169
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