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논문 기본 정보

자료유형
학술저널
저자정보
김갑진 (경희대학교 공과대학 섬유공학과) 이영호 (경희대학교 공과대학 섬유공학과)
저널정보
한국섬유공학회 한국섬유공학회지 한국섬유공학회지 제28권 제8호
발행연도
1991.1
수록면
26 - 34 (9page)

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초록· 키워드

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This study is related to the hydrophilic finishing of PET fabric with bisulfite adduct of NCO-terminated polyethylene glycol (PEG) -hexamethylene diisocyanate (HMDI) prepolymer. Through the reaction with excess sodium bisulfite of NCO-terminated PEG-HMDI prepolymer (NCO-t-PEG) derived from HMDI and PEG, the bisulfite adduct of NCO-t-PEG(PEG- PCS), which is water-soluble, could be obtained. The thermal property of hexamethylene disodium carbamoyl sulfonate(HMDSCS) as a model compound of PEG - PCS was investigated with DSC. It was dissociated to HMDI and sodium bisulfite near at 187$^{\circ}C$ under the nitrogen atmosphere. Therefore the dissociation temperature of PEG- PCS to NCO-t-PEG and sodium bisulfite might be sulfester to be the same as that of HMDSCS. This dissociation temperature, however, was too high to adopt as curing temperature for the hydrophilic finishing of PET fabric. HMDSCS and PEG- PSC were stable in acidic solution, but dissociated to free NCO group anti Sodium bisulfite in alkalise Solution. 50 the mixture Of Na2C03/NaHC03 W3S USfd 353 latent alkaline catalyst. PET fabric was padded with the aqueous solution containing PEG- PCS, crosslinking agent such as polyethyleneimine, and the latent alkaline catalyst, dried at 100$^{\circ}C$ for 3min, and cured at 140$^{\circ}C$ for 1 min. This finished PET fabric showed very low frictional electrostatic charge, short half-decaying time, soft handle, and good wicking properties. And these properties were durable to the repeated launderings.

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