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권순용,서금종 한국섬유공학회 1998 한국섬유공학회지 Vol.35 No.3
Quarternary polymers (EVAG's) were synthesized from 2-ethylhexyl acrylate, vinyl acetate, acrylic acid, and glycidyl methacrylate to prepare emulsion type acrylic pressuresensitive adhesives (PSA's). The EVAG solutions were coated directly onto polyester film for subsequent tape evaluation. EVAG-3 and EVAG-5 showed peel adhesion of 220∼310 g/inch, shear adhesion of longer than 24 hrs, tackiness of 4/32-5/32, and heat resistance of 87-88℃. It has been shown that the acrylic PSA's developed in this study can be used as a removable PSA's.
Poly ( p-Anol-Formaldehyde ) Cinnamate 의 합성과 그 감광특성
박홍수,권순용,서금종 한국유화학회 1998 한국응용과학기술학회지 Vol.15 No.1
Poly(ρ-anol-formaldehyde) cinnamates(AGEFCs) were synthesized to prepare a photo-sensitive polymer which enabled to be photodimerized via 6-center reaction. The photocharacteristics of the mixture of the AGEFCs and a sensitizer after exposure to light was tested. 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. AGEFC-3 revealed a good photosensitive effect such as about 73% yield of residual film at 128 min. of exposed time.
박홍수,권순용,서금종 한국유화학회 1998 한국응용과학기술학회지 Vol.15 No.1
Lubricating softner(SOS-2) for permanent press(PP) finish was prepared by blending water, beef tallow hardened oil for improving softness, and the emulsion which was synthesized from N-hexadecanoyl-N, N'-bis(2-hexadecamidoethyl)amine as a softening component and silicone oil KF-96 as a lubricating component. The prepared SOS-2 and the PP finishing resin were applied to PP finishing cotton broad cloth and P/C gingham samples using one bath method. The properties such as tear strength, crease recovery, bending resistance test were tested. The samples treated with SOS-2 and PP finishing resin have improved properties, compared with nontreated samples, those treated only with PP finishing resin, those treated with commercial PP finishing softners and PP finishing resin.
벤조산 락톤 변성폴리에스테르 / HDI - Biuret 에 의한 2액형 폴리우레탄 도료의 제조 및 경화거동
박홍수,권순용,서금종 한국유화학회 1998 한국응용과학기술학회지 Vol.15 No.2
Two-packaged polyurethane coatings were prepared by blending benzoic acid lactone modified polyester polyol(BLMPs) and HDI-biuret. BLMPs were synthesized by polycondensation of benzoic acid, viscosity depression component, with 1,4-butanediol, adipic acid, and polycaprolactone polyol. Kinematic viscosity of BLMP was gradually decreased with increasing benzoic acid content in BLMP. The low viscosity of modified polyester has an advantage of making a high-solid content coatings. After the film was coated with the prepared polyurethane coatings and cured at room temperature, the various physical properties were measured. They showed good physical properties such as flexibility, impact resistance, cross hatch adhesion, yellowness index, and rust resistance. These advantages are the results of introducing polycaprolactone polyol.