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低溫플라즈마를 이용한 poly(ethylene terephthalate)섬유에의 아크릴산의 그라프트 중합
陸鍾一,李在寧,牟相榮 忠南大學校 産業技術硏究所 1986 산업기술연구논문집 Vol.1 No.2
Graft copolymerisation of acrylic acid on the surface of poly(ethylene terepthlate) (PET)fiber was investigated using low temperature plasma treatment. Argon plasma was used as an initiator on PET fiber and followed post copolymerisation by inducing acrylic acid vapor under required conditions. The morphological changes of grafted PET film surface was evaluated by SEM and roughness tester, and grafted feature, grafting yield were evaluated by SEM and FT-NMR respectively. The result obtained are as follows: 1) The surface of PET fiber being etched and activated by plasma treatment. 2) On the roughness of plasma grafted PET film, it can be seen that the longer the plasma treatment time, the lower the height of wave and the spreader the wave width. 3) It can be detected the poly(acrylic acid) grafted on PET fiber by H¹-NMR.
陸鍾一 건국대학교 1979 論文集 Vol.10 No.1
In this experiment E-glass fiber was used as a specimen material to transfer higher SiO2 content and promote physical properties by acid teaching. The change of SiO2 content and melting point of the fiber were plotted with variable condition such as acid concentration, leaching time and temperature. The results obtained by-the study are as follows. 1) E-glass fiber was the best material for high glass forming, and on acid treatment, 4 NHCI was most suitable. 2) The temperature condition could vary the SiO2 content of the fiber, but it was befit to keep the temperature between 95℃ and 100℃ 3) Melting point of the high glass was almost proportional to the SiO2 content with its purity. 4) Heat treatment had no effect on the SiO2 content.