http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
포름알데히드로 세리신 정착 후 정련에 의한 실크 생사의 반숙 정련
박건용,박창혁,정화진,이미연,이정주,박두경,Park, Geon Yong,Park, Chang Hyouck,Jeong, Hwa Jin,Lee, Mi Yeon,Lee, Jung Ju,Park, Du Keong 한국섬유공학회 2012 한국섬유공학회지 Vol.49 No.5
To obtain the half-degummed silk yarns of 5~10% degumming losses, raw silk yarns were degummed with alkaline detergent after fixing sericin with formaldehyde. Adding above 5 g/l acetic acid or tartaric acid in 1% and 5% formaldehyde fixing baths created a lot of sericin loss during degumming with 3 g/l alkaline detergent and 2 g/l sodium carbonate after fixing sericin due to alkaline hydrolysis of sericin cross-linkage. When sericin was degummed with 3 g/l alkaline detergent after fixing with 0.1% formaldehyde at $40^{\circ}C$ or $60^{\circ}C$ for 15 min, the degumming temperature necessary to obtain satisfactory half-degumming was $70{\sim}80^{\circ}C$. Also, fixing sericin at $60^{\circ}C$ resulted in stronger sericin fixation than fixing at $40^{\circ}C$. However, the softener of cationic surfactant added in sericin fixing baths did not prevent the attachment of degummed silk yarns. Approximately 6.5% degumming loss was obtained when sericin was degummed at $85^{\circ}C$ for 30 min with 3 g/l alkaline detergent after fixing with 0.1% formaldehyde at $80^{\circ}C$ for 15 min and 30 min, and in case of adding 2 g/l acetic acid in fixing baths the half-degummed silk yarns of about 10% degumming losses, which were severely attached to each other, were obtained.
필름권층법에 의한 날염호 중의 분산염료의 PET 필름에 대한 확산거동
박건용,Park, Geon Yong 한국섬유공학회 2017 한국섬유공학회지 Vol.54 No.2
When sodium alginate paste and filter paper containing disperse dye were fixed by high temperature steaming (HTS), the diffusion behaviors of disperse dye to PET film from print paste or filter paper were investigated by film-roll method and the diffusion equation of semi-infinite medium. By HTS at $170-190^{\circ}C$ for different fixing times, dye uptakes and the diffused distances were increased and the differences of dye uptakes between each layers of PET film-roll were decreased with elevating temperature and fixing time, which resulted in the large increases of diffusion coefficients. In the case of print paste, compared with filter paper, relatively large amounts of diffused dye occurred to increase both the dye uptakes of layers and the differences of dye uptakes between each layers, which caused the decreases of diffusion coefficients. The apparent activation energy obtained from the diffusion coefficients of dye to PET film from print paste was 30.9 kcal/mol, and that from filter paper was 26.0 kcal/mol.