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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국고분자학회 폴리머 폴리머 제45권 제3호
- 발행연도
- 2021.5
- 수록면
- 428 - 436 (9page)
- DOI
- 10.7317/pk.2021.45.3.428
이용수
초록· 키워드
오류제보하기
In this work, a series of hydrosilanes including phenylsilane, diphenylsilane, triethylsilane (TES), and tris(trimethylsilyl)silane combined with catalytical amount of platinum complex such as dichloro(1,5-cyclooctadiene) platinum (COD) and dichloro(dicyclopentadienyl)platinum have been used to initiate the polymerization of vinyl acetate (VAc) at 70-95 ℃. An ultrahigh molecular weight PVAc with number-average molecular weight (M<SUB>n</SUB>) up to 1.17×10<SUP>6</SUP> Da and polydispersity index (PDI) of 2.59 has been synthesized using TES as an initiator in the presence of 9.7 ppm of COD. A kinetic study indicates that the polymerization at VAc/TES/COD molar ratio = 3.0×10<SUP>5</SUP> : 60 : 1 smoothly reached 81.0% conversion in 28.0 h at 85 ℃, producing PVAc with M<SUB>n</SUB> increasing linearly from 1.41×105 to 6.01×10<SUP>5</SUP> Da with the increase of monomer conversion. A mechanistic investigation revealed that COD was firstly reduced by reductive TES, producing Pt nanoparticles and corresponding silane radicals to initiate the polymerization of VAc.
목차
Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References
참고문헌 (42)
참고문헌 신청
Mark, H. F. Encyclopedia of Polymer Science and Technology; Wiley-Interscience: Hoboken, New Jersey, USA, 2004.
Cowan, D. A.; Blankenhorn, P. R.; Murphey, W. K. Effects of Relative Humidity and Shelf-Life on Selected Properties of Polyvinyl Acetate Adhesive Films. Wood Fiber 1978, 10, 138-146.
Salvini, A.; Saija, L. M.; Lugli, M.; Cipriani, G.; Giannelli, C. Synthesis of Modified Poly(vinyl acetate) Adhesives. J. Adhes. Sci. Technol. 2010, 24, 1629-1651.
Amann, M.; Minge, O. Biodegradability of Poly(vinyl acetate) and Related Polymers. Adv. Polym. Sci. 2012, 245, 137-172.
DeMerlis, C. C.; Schoneker, D. R. Review of the Oral Toxicity of Polyvinyl Alcohol (PVA). Food Chem. Toxicol. 2003, 41, 319-326.
Cowan, D. A.; Blankenhorn, P. R.; Murphey, W. K. Effects of Relative Humidity and Shelf-Life on Selected Properties of Polyvinyl Acetate Adhesive Films. Wood Fiber 1978, 10, 138-146.
Salvini, A.; Saija, L. M.; Lugli, M.; Cipriani, G.; Giannelli, C. Synthesis of Modified Poly(vinyl acetate) Adhesives. J. Adhes. Sci. Technol. 2010, 24, 1629-1651.
Amann, M.; Minge, O. Biodegradability of Poly(vinyl acetate) and Related Polymers. Adv. Polym. Sci. 2012, 245, 137-172.
DeMerlis, C. C.; Schoneker, D. R. Review of the Oral Toxicity of Polyvinyl Alcohol (PVA). Food Chem. Toxicol. 2003, 41, 319-326.
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