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박은경,박홍수,김영근 ( Eun Kyung Park,Hong Soo Park,Young Keun Kim ) 한국공업화학회 1993 공업화학 Vol.4 No.2
2-Ethylhexylaminoethyl sulfate, Na-dioctyl sulfosuccinate, Newpol PP-2000, MJU-100, 에틸렌글리콜 및 유기용제 등을 블렌딩하여 저기포성 정련제(SLFS)를 제조하였다. SLFS로서 여러가지 물성시험을 해 본 결과, SLFS-2는 정련효과, 침투력, 유화력, 내알칼리성 등이 양호하였으며, 수질오염에 대한 영향이 크지 않았다. 또한 SLFS-2는 Ross & Miles법에 의한 거품생성 직후의 기포력이 포고 8mm로 나타났고, Ross & Clark법에 의한 기포력이 30℃에서는 포고 300mm이하로, 80℃에서는 15㎜를 각각 나타내어 양호한 저기포성 정련제임이 입증되었다. Low foaming scouring agents(SLFS) were prepared by blending of 2-ethylhexylaminoethyl sulfate, Na-dioctyl sulfosuccinate, Newpol PP-2000, MJU-100, ethylene glycol and organic solvent. As the results of several tests, SLFS-2 showed good scouring effect, penetrating ability, emulsifiability and anti-alkaline property, and showed not much water pollution. The foaming power of SLFS-2 measured by Ross & Miles method was 8mm foam height immediately after foaming. And the foaming power of SLFS-2 measured by Ross & Clark method were less than 300㎜ foam height at 30℃, and 15mm at 80℃. As a result, SLFS-2 was proved as a good low foaming scouring agent.
박은경,함현식,박홍수 ( Eun Kyung Park,Hyun Sik Hahm,Hong Soo Park ) 한국공업화학회 1993 공업화학 Vol.4 No.3
n-Octanoic acid, MJU-100A, Tetronix T-701, POE(6)-2-ethylhexyl ether, Newpol PE-68, 솔비톨 및 인산 등을 블렌딩하여 산성탈지제(ADA)를 제조하였다. ADA로서 알루미늄 시료편을 택하여 여러 가지 물성시험을 해 본 결과, ADA-5의 농도 3wt%, 70℃의 조건에서 탈지율은 98%로서 양호한 탈지효과를, etching율은 0.277%로서 시판품 보다 더 낮은 etching율을 각각 나타내었다. 또한 ADA-5의 농도 20wt%, 65℃의 조건에서 제청율은 93%였고, Ross and Miles법과 Ross and Clark법에 의한 저기포력시험 결과 양호한 소포효과를 보여주었다. Acidic degreasing agent(ADA) was prepared by blending n-octanoic acid, MJU-l00A, Tetronix T-701, POE(6)-2-ethylhexyl ether, Newpol PE-68, sorbitol, and phosphoric acid. The physical properties of ADA tested with aluminum specimen showed the following results ; when 3wt% ADA-5 was performed at 70℃, the degreasing rate was 98% which is comparitively good, and the percentage of etching was 0.277% which was found to be less than that of commercialized product. When 20wt% of ADA-5 was added at 65℃, the percentage of derusting was 93% and the good defoaming effect proved by following low foaming power tests respectively : Ross and Miles, and Ross and Clark methods.
아크릴 공중합체와 지방산 카르바미드의 블렌딩에 의한 내구유연발수제의 제조에 관한 연구 - Ⅰ . 면직물에의 발수가공 -
김영근,이종민,박은경,박홍수 ( Young Keun Kim,Chong Min Lee,Eun Kyung Park,Hong Soo Park ) 한국공업화학회 1994 공업화학 Vol.5 No.2
내구유연발수제를 제조할 목적으로 전보에서 합성한 poly(OMA-co-DAMA)[PODC], poly(DMA-co-DAMA)[PDDC], poly(EMA-co-DAMA)[PEDC] 각각의 양이온화물, 본 실험에서 합성한 지방산 카르바미드의 양이온화물(ODTCC), 왁스류 및 유화제들을 블렌드시켜 발수제 PODCW, PDDCW, PEDCW를 각각 제조하였다. 발수제 PODCW, PDDCW, PEDCW 각각을 면직물에 단독 및 수지병용으로 처리하여 내세탁성, 인열강도, 방추도 및 접촉각 등을 측정해본 결과, 물성의 향상을 가져왔다. 그러나 발수도는 PODCW의 경우 80 정도로 사용 가능하였으나, PDDCW와 PEDCW의 발수도는 현저히 저하되었다. 제조된 발수제의 적정 열경화온도는 140℃, 적정 사용농도는 3wt%이었고, 사용된 발수제용 촉매 중 아세트산나트륨이 가장 좋았으며, 촉매의 사용농도는 0.6wt%가 적당하였다. 또한 발수제와 셀룰로오스 섬유화의 반응메카니즘을 규명하고 내세탁성 결과치를 검토한 결과, 제조된 발수제가 내구성 발수제임을 입증하였으며, SEM으로 발수처리된 면직물의 표면구조를 관찰하였다. Each of the three cationized compounds synthesized previously, poly(OMA-co-DAMA)[PODC], poly(DMA-co-DAMA) [PDDC] and poly(EMA-co-DAMA) [PEDC] was blended with waxes, emulsifiers and cationized fatty carbamide(ODTCC) synthesized in this study for the preparation of some durable softening water-repellenting agents, PODCW, PDDCW and PEDCW. The results of washability, tearing strength, crease recovery and contact angle of the cotton fabrics treated with PODCW, PDDCW and PEDCW with and without textile finishing resin, showed remarkable improvement of the physical properties. Rating of water repellency of cotton fabric treated with PODCW was 80, but those treated with PDDCW and PEDCW were not high enough to use in industry. Proper curing temperature of the synthesized water-repelleting agents was 140℃; proper using concentration was 3wt% ; sodium acetate was the best catalyst for water-repellenting agents among the used, and proper concentration was 0.6wt%. From the results of reaction mechanism of cellulosic fiber with water-repellenting agent and washability of the fibers treated with water-repellenting agents the prepared water-repellenting agent proved to be durable. Surface structures of cotton fabrics treated with water-repellenting agent were investigated by SEM.
아크릴계 하이솔리드 도료의 Rotation Rheometer 에 의한 경화거동 연구
양인모(In Mo Yang),정충호(Choong Ho Jung),김태옥(Tae Ok Kim),박홍수(Hong Soo Park),박은경(Eun Kyung Park) 한국유화학회 2001 한국응용과학기술학회지 Vol.18 No.1
N/A Curing reaction was carried out with the acrylic resin (ACR) [n-buty] acrylate/atyrene/2-hydroxyethyl methacrylate/acetoacetoxyethyl methacrylate (AAEM)] synthesized before and a curing agent, hexamethoxymethylmelamine (HMMM). With rotational rheometer, the effect of catalysts on curing rate of acrylic resin/melamine was examined. Among the four catalysts used, p-toluene sulfonic acid showed the highest reactivity, and the optimum amount of catalyst was 0.5 phr. It was observed that in the ACR/HMMM curing reaction, gelation point was lowered with the increasing the amount of AAEM and HMMM in the ACR.