• 한국염색가공학회지
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• 제10권3호
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• pp.1-9
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• 1998

The dyeing properties of modified wool were examined with a series of acid, reactive and cationic dyes. Cationic agent and sulphamic acid were applied to wool fabric for dye assist and resist effect. Wool pretreated with cationic agent showed better uptake of acid and reactive dyes than did untreated wool. On the other hand, the dyeing behavior of wool pretreated with sulphamic acid was found as follows : Acid dyes were poorly resisted with a hydrophobic mechanism but acid dyes were strongly resisted with a hydrophilic mechanism. Reactive dyes were also found to be effectively resisted. Sulphamic acid introduces sulphonate group into wool's structure, it has increased better uptake of cationic dyes than untreated wool. The degree of differential uptake depends on the level of pretreatment and produces a variety of tone-on-tone and multicolor effect in piece dyeing.

• 대한화학회지
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• 제53권5호
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• pp.536-541
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• 2009

무용제하에서 $\alpha$-히드록시 인산염을 합성하기 위해 술팜산은 비용효율이 높고 일반적인 산들의 친환경적인 대안으로 활용되었다. 초음파 조사를 이용하여 더 나은 수율을 얻었고 반응시간이 짧았다.

• 대한화학회지
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• 제52권4호
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• pp.454-456
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• 2008

• 한국염색가공학회지
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• 제4권4호
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• pp.104-109
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• 1992

양모의 반응성 방염처리제(DRB, DRM, DRS, DRN)를 합성하고 이들과 sulphamic acid(SA)를 방염(dye resist) mechanism을 이용하여 방오처리에 응용, 그 효과를 검토하였다. 방오효과는 SA>DRB>DRM>DRS>DRN의 순으로 우수하였다. DCCA처리 양모의 경우는 SA처리 양모만이 방오효과를 나타내었다. 4종류의 합성된 반응성 방염처리제는 DCCA 처리 앙모에 dye assist 효과를 나타내었다. 80% 이상의 방오효과만이 시각적으로 오염을 구분할 수 없었으므로 SA 처리방법은 방오가공에 응용 가능하나, DRB 처리법은 약간의 개선이 필요했다. 이러한 방염처리방법을 방오가공에 응용할 때에 양모 carpet 등의 습윤오염(커피나 쥬스 등 색소성 오염)의 감소효과가 기대 되어 진다.

• 한국표면공학회지
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• 제51권4호
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• pp.197-201
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• 2018

Dynamic nano-indentation method was applied to characterize thin electroformed Ni-P layers. The Ni-P layers were produced in a sulphamic acid bath at $50^{\circ}C$ in $0.02A/cm^2$ for 10-60 minutes. The chemical analyses by XRD and EDX showed that the Ni-P layers were very fine grains with mainly $Ni_3P$ with Ni. The surface roughness determined by atomic force microscopy increased with thickness, which was relative to the surface morphology. The nano-hardness and the stiffness of the thin Ni-P layers with thickness of 1.9, 6.2 and $7.5{\mu}m$ were 5.52, 6.52 and 6.77 [GPa] and 56.7, 76.2 and 108.0 [${\mu}N/nm$], respectively. The elastic modulus of the Ni-P layer increased with thickness such as 37.29, 54.50 and 78.76 [GPa], respectively. The surface roughness of the electroplated Ni-P layers with diverse thickness was 8.66, 18.56 and 35.22 [nm], respectively. The enhanced nano-mechanical properties were related to mainly residual stress of the Ni-P layers.