한국섬유공학회지 (Textile Science and Engineering)

  • 제32권5호
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  • Pages.494-501
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  • 1995
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
권호 표지

폴리(트리플루오로프로필메틸-디메틸) 실록산-폴리요소 공중합체의 합성과 성질(I) -폴리(1,1,1-트리플루오로프로필메틸-디메틸)실록산의 합성-

Synthesis and Properties of Poly(trifluoropropylmethyl-dimethyl) Siloxane- polyurea Copolymers(I) Synthesis of Poly(1,1,1-trifluo rope ropylmethyl-dimethyl) Silonane

  • 발행 : 1995.05.01

⟨ 이전 논문 다음 논문 ⟩

초록

In order to improve the mechanical properties, siloxane oligomers or polymers with functionalized end groups are of ien copolymerized with organic monomers to induce linkages such as urea, amide, urethane, and imide, etc. In this study, the aminopropyl-terminated poly(1,1,1-trifluoropropylmethyl-dimethyl)siloxane were bulk-polymerized with 1,) -bis(Y- aminopropyl) telramethyl disiloxane(DSX) as an end blocker, oclamethylcyclotelrasiloxane(D4), and (1,1,1-trifluoropropyl) methylcyclopolysiloxane (F)4, and a basic catalyst. Their compositions and molecular weights were analyzed by 1H-NMR spectroscopy, and the potentiometric titration method was used for the confirmation of molecular weight. The compositions of the polymers were found to be almost equal to the feed ratios. It was realized that well-defied siloxane oligomers having controlled composition and molecular weight could be utilized in synthesis and properties control of siloxane-organic copolymers.

키워드

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