• Title/Summary/Keyword: Syntheses

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Syntheses of Cellulosic Graft Copolymers

  • Ikeda, Isao;Maeda, Yasushi
    • Proceedings of the Korean Fiber Society Conference
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    • 2003.10a
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    • pp.13-14
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    • 2003
  • Cellulosic graft copolymers were synthesized to use them as the functional materials. Three methods containing atom transfer radical polymerization (ATRP), macro-azo-initiator (MAI) method, and the polymerization catalyzed by tetrabutylammonium fluoride (TBAF) were performed in this work.

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Syntheses of Additives for Internal Combustion Engine Oil (내연기관용 윤활유 첨가제의 국산화에 대한 연구(2))

  • 김종호
    • Tribology and Lubricants
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    • v.4 no.1
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    • pp.14-24
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    • 1988
  • 본 보에서는 지난 호에 이어 내연기관용 윤활유 첨가제 중 청정제로 사용되는 과염기성 Ca-phenate와 산화방지제 및 마모방지제로 널리 사용되는 Zn-dialkyldithiophosphate (Zn-DTP), 분산제인 polyisobutenyl succinimide(PIBSI)의 국산화에 대한 연구결과를 요약하여 기술하였다.

Syntheses and antimicrobial and antitumor activities of isatin derivatives

  • Chough, Yun-Sung;Kang, Kun-Il
    • YAKHAK HOEJI
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    • v.17 no.3
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    • pp.141-146
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    • 1973
  • Eight isatin N-Mannich bases were synthesized and tested their antimicrobial and antitumor activities. N-Piperidinomethylisatin-(N-cyclohexyl)-thiosemicarbazone is active against St. aureus at 10${\mu}$g/disk and isatin thiosemicarbazone against P. chrysogenum at 10${\mu}$g disk.

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