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합성섬유용 인산염계 유화방염제의 제조 및 방염거동에 관한 연구
근장현,박홍수 ( Jang Hyoun Keun,Hong Soo Park ) 한국유화학회 1994 한국응용과학기술학회지 Vol.11 No.1
For the purpose of producing emulsified fire proofing agent for synthetic fibers, 2,3-dibromopropyl-monoamido orthophosphate[DP-AOP] and bis(2,3-dibromopropyl) monoamidoorthophosphate[(DP)_2-AOP] were synthesized, and their structures were identified by instrumental analysis, respectively. Using three kinds of emulsifiers, O/W emulsified fire proofing agents, DPF and DPDPF, were obtained corresponding to DP-AOP and (DP)_2-AOP, respectively. Various synthetic textiles were fire-retardant treated by prepared DPF and DPDPF, and fire retardancy and tearing strength of the resulting products were tested. The results showed that as the concentration of fire proofing agents increased, fire retardancy increased, but the tearing strength much decreased, where the tendencies of DPDPF were deeper than those of DPF. But, since the fire retardancy appeared favorable in the range of 10~20 wt% of DPDPF, DPDPF is proven to be fire proofing agent useful for various synthetic textiles.
Resorcinol 계 Photoresist 의 합성과 그 감광 특성
근장현,김승진,박홍수 ( Jang Hyoun Keun,Seung Jin Kim,Hong Soo Park ) 한국공업화학회 1994 공업화학 Vol.5 No.4
Photoresist로의 응용을 위하여 감광성 관능기를 가진 폴리머인 polyresorcinol-formaldehyde glycidyl ether의 cinnamoyl ester(RGEFC)를 제조하였다. RGEFC의 감광 특성은 노광 전후의 유기용매에 대한 용해도 차이로서 결정하였는데, 유리판상에 도포한 각종 시료를 제반조건하에서 노광한 다음, 도포시에 사용한 같은 용매에 담그어 잔막수득량을 계산하였다. 필름의 감도와 밀접한 관계를 가지는 수득량은 수지의 중합도, 증감제의 종류 및 첨가농도에 따라 좌우되었으며, 그 감도는 폴리머의 중합도에 의존되어 중합도가 커질수록 증가되었다. 사용된 증감제 중 RGEFC에 대한 가장 효과적인 증감제는 2, 6-dichloro-4-nitroaniline이었다. The cinnamoyl esters of polyresorcinol-formaldehyde glycidyl ether (RGEFC) with photosensitive functional group were prepared. Photosensitivity of RGEFC were investigated by the change of solubility before and after exposure to light. Various samples coated on glass plates were exposed to light under various conditions and steeped in the same solvent as used for coating, and then the yield of residual film was calculated. The yield of the residual film which was closely related to the sensitivity of the film, was affected by the degree of polymerization of the backbone resin, sensitizers and their concentration. The sensitivity was depended upon the degree of polymerization. Most effective sensitizer for RGEFC among the sensitizers used was 2, 6-dichloro-4-nitroaniline.
근장현,김승진,함현식,박홍수 ( Jang Hyoun Keun,Seung Jin Kim,Hyun Sik Hahm,Hong Soo Park ) 한국공업화학회 1993 공업화학 Vol.4 No.4
Polyoxyethylene(30) octadecylbenzylammonium chloride(POAC), propylene oxide와 ethylene oxide의 블럭 공중합체[p(PO-b-EO)glycol], Sedlan FF-200(FF-200) 및 polyoxyethylene(10) nonylphenyl ether의 술폰산-아민축합물 (PSAC) 등을 블렌딩하여 무용제형 저기포성 정련제(LFSA)를 제조하였다. LFSA로서 여러 가지 물성시험을 해 본 결과, FF-200/POAC/p(PO-b-EO) glycol/PSAC/water(20g/10g/5g/5g/60g) 혼합물(LFSA-5)은 세정력, 침투력, 유화력, 알칼리 안정성 등이 양호하였으며, 수질오염에 대한 영향이 크지 않았다. LFSA-5의 정련효과는 정련전 후의 염색온도에 따른 염착률의 변화로서 확인하였는데, 정련전 PET 직물인 경우는 70℃에서 4.5%의 염착률을 나타낸데 반하여, LFSA-5로서 정련된 직물은 1.3%의 염착률을 나타냄으로써 LFSA-5의 정련효과가 양호함을 알 수 있었다. 또한 LFSA-5는 Ross and Miles법에 의한 거품 생성 직후의 기포력이 포고 6mm로 나타났고, Ross and Clark법에 의한 기포력이 30℃에서는 포고 300mm 이하로, 80℃에서는 20mm를 각각 나타내어 양호한 저기포성 정련제임이 입증되었다. Solvent-free low foaming scouring agents(LFSA) were prepared by blending of polyoxyethylene(30) octadecylbenzylammonium chloride(POAC), block copolymer of propylene oxide-ethylene oxide[p(PO-b-EO) glycol], Sedlan FF-200(FF-200) and sulfonic acid-amine condensate of polyoxyethylene(10) nonylphenyl ether(PSAC). In consequence of several tests, FF-200/POA C/p ( PO-b-EO) glycol/PSAC/water (20g/10g/5g/5g/60g) mixture (LFSA-5) showed good cleaning power, penetrating ability, emulsifiability and stability to alkali, and gave less problem in water pollution. Scouring effect of LFSA-5 was investigated by the change of percentage of exhaustion before and after scouring at various dyeing temperatures. The percentage of exhaustion of the unscoured PET fabric was 4.5% at 70℃, while that scoured with LFSA-5 was 1.3% at the same temperature, which proved LFSA-5 to be a good scouring agent. Moreover, the foaming power of LFSA-5 measured by Ross and Miles method was 6mm foam height immediately after foaming, and that measured by Ross and Clark method was less than 300mm foam height at 30℃, and 20mm at 80℃. As a result, LFSA-5 proved a good low foaming scouring agent.
수용성 폴리아민 내구성 대전방지제의 합성과 그의 특성화
김승진,김한구,근장현,박홍수 ( Seung Jin Kim,Han Ku Kim,Jang Hyoun Keun,Hong Soo Park ) 한국공업화학회 1994 공업화학 Vol.5 No.3
흡습성, 유연성 및 대전방지 효능을 지닌 것으로 알려진 PEG 600과 에피클로로히드린을 BF₃ 촉매로서 반응시켜 PEG 600-diglycidyl ether(PDE)를 합성하였다. 다음 PDE에 높은 전도성의 지방족 아민이며 경화제인 트리에틸렌테트라민으로서 공반응시켜 수용성인 긴 사슬의 폴리아민(PDET)을 얻고, PDET의 겔화방지와 수용액 안정성을 좋게 하기 위하여 아세트산으로 양이온화시켜 수용성의 제4급 암모늄 폴리아민(PDETA)을 합성하였다. 위에서 각각 합성된 PDET-2, -5, -6과 POETA-2, -4에 각각 물을 첨가하여 대전방지제 PDET-2A, -5A, -6A, PDETA-2A, -4A를 제조하였다. 제조된 대전방지제를 PET 직물에 단독 혹은 수지병용으로 처리한 후 세탁횟수에 따른 표면전기저항과 반감기 특성의 시험결과, PDETA-2A와 -4A는 50회 세탁 후에도 대전방지 성능에 큰 변화가 없어서 내구성 대전방지제임을 확인하였다. 또한 세탁전의 표면전기저항 값이 각각 1×10^7Ω, 2×10^7Ω이었고, 반감기 특성간은 0.8초와 1.1초로 나타나 양호한 대전방지제임이 입증되었다. PEG 600-diglycidyl ethers(PDE) were synthesized using BF₃ catalyst by the reaction of epichlorohydrin and PEG 600 which is known to have the hygroscopicity, softening property, and antistatic property. Water-soluble long chain polyamines(PDET) were synthesized by coreaction of PDE and triethylenetetramine which is high conductive aliphatic amine curing agent. To prevent the gelation of the PDET and increase the water-solution stability, water-soluble quaternary ammonium polyamines were synthesized by cationation of PDET with acetic acid. Antistatic agents PDET-2A, PDET-5A, PDET-6A, PDETA-2A and PDETA-4A were prepared by the mixing of PDET-2, PDET-5, PDET-6, PDETA-2 and PDETA-4 with water. Synthesized antistatic agents were treated on PET textiles with and without resin. Then surface electrical resistivity and half life characteristics value were tested. As the results, there were no remarkable decreasing changes in antistatic abilities of the textiles treated with PDETA-2A and PDETA-4A after 50 times washing. So PDETA-2A and PDETA-4A were proved to be durable antistatic agents. Surface electrical resistivity of the textiles treated with PDETA-2A and PDETA-4A before washing were 1×10^7Ω, and 2×10^7Ω, respectively, and half life characteristics values were 0.8sec and 1.1sec, respectively. Therefore PDETA-2A and PDETA-4A were proved to be good antistatic agents.
전동우,김승진,근장현,박홍수 ( Dong Woo Chun,Seung Jin Kim,Jang Hyoun Keun,Hong Soo Park ) 한국공업화학회 1994 공업화학 Vol.5 No.1
n-Tetradecyldimethylbenzylammonium choride(TDAC)와 n-tetradecyltrimethylammonium methyl sulfate (TTAM)를 합성하고 각각에 물을 가하여 감량촉진제 용액 TDACW와 TTAMW를 각각 제조하였다. 제조된 TDACW와 TTAMW 각각을 NaOH와 병용하여 PET섬유를 감량가공처리한 결과, 감량률은 TDACW가 TTAMW보다 훨씬 높게 나타났으며, 적정 처리농도는 약 8g/ℓ, 처리시간은 60∼90분 및 처리액량비는 1:40∼1:50이었다. 밀도와 결정화도는 감량률이 증가할수록 상승하였고, 인장강도는 역으로 감량률이 증가될수록 저하되었다. 또한 감량촉진제와 PET섬유와의 반응메카니즘을 고찰하여 감량촉진제가 촉매로서 작용함을 밝혔으며, SEM으로 감량가공된 PET섬유의 표면형태를 관찰하였다. Weight loss accelerating agents, TDACW and TTAMW were prepared by adding water to n-tetradecyldimethylbenzylammonium chloride(TDAC) and n-tetradecyltrimethylammonium methyl sulfate(TTAM) synthesized in our lab. On weight loss finishing of PET fiber with NaOH and TDACW or TTAMW, TDACW showed much more weight loss than TTAMW. Optimum concentration was about 8g/ℓ, treatment time 60∼90min and treatment bath ratio 1: 40∼1:50. Density and crystallinity increased with weight loss and tensile strength decreased with weight loss. From the reaction mechanism of weight loss accelerating agent and PET fiber, weight loss accelerating agent was proved to function as a catalyst and the surface structures of PET fibers treated with weight loss accelerating agent were characterized with SEM.
Myristyl 지방족기를 함유하는 제4급 암모늄염에 의한 PET 섬유의 감량가공 효과
박창환,근장현,김영근,박홍수 ( Chang Hwan Park,Jang Hyoun Keun,Young Geun Kim,Hong Soo Park ) 한국유화학회 1994 한국응용과학기술학회지 Vol.11 No.2
MDABM and MDAEW, as a accelerating weight loss agents, were prepared by adding water to myristyldimethylbenzylammonium bromide(MDAB) and myristyldmethylethylammonium ethyl sulfate(MDAE) synthesized. As a result of weight loss finishing of the MDABW and MDAEW with NaOH on PET fiber, the ratio of weight loss of MDABW was very larger than that of MDAEW. This result showed that quaternary ammonium bromide had higher weight loss effect than quaternary ammonium sulfate, and the ratio of weight loss was greatly varied with the kind of quaternary ammonium salts used. In these conditions, proper treatment concentration, treatment time, and treatment bath ration were about 8g/l, 60~90min, and 40:1~50:1, respectively.