• 패션비즈니스
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• 제11권6호
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• pp.52-61
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• 2007

To increase the ultraviolet radiation (UVR) protection of cotton fabric, ultraviolet protection (UVP) materials were treated onto cotton fabric using a new technique, UV-curing. A photocrosslinkablepolymer, poly(ethylene glycol) dimethacrylate was used as a UV-curable resin in the presence of a small amount of photoinitiator. Two kinds of UVP materials were used, UV-absorber, 2,2'-dihydroxy-4-methoxy benzophenone, and UV-scatterer, $TiO_2/ZnO$ Pad-dry-cure method in employing these materials onto cotton was also conducted to compare the effectiveness and the washfastness of UVP treatment between curing methods. UVP treated cotton fabric showed a moderate increase in UVP in case of 2,2'-dihydroxy-4-methoxy benzophenone treatment and a high increase in case of $TiO_2/ZnO$. UV-curing method increased the washfastness of UVP property of $TiO_2/ZnO$ treated cotton fabrics. However, in case of 2,2'-dihydroxy-4-methoxy benzophenone, similar wash fastnesses of UV-cured and pad-dry-cured cotton were observed. It can be presumed that 2,2'-dihydroxy-4-methoxy benzophenone was not significantly affected by water since its hydrophobicity. In short, UV-curing of UVP materials onto cotton was successfully done, and treated cotton fabrics showed the increased UVP properties and an increased washfastness in some extent.

• 한국의류학회지
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• 제18권5호
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• pp.622-627
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• 1994

The purpose of this study is to investigate the adsorption rate, adsorption quantities and the UV-Cut effects of cotton fabrics treated with several UV absorbents. The result of this study were as follows: cotton fabric treated with 2,2'-dihydroxy-4- methoxy-benzophenone shows more efficient than ones treated with 4-aminobenzoic acid and 2·hydroxy-1, 4-naphthoquinone in UV absorption. This may be due to the absorption of UV light by formation of intra moleculaar hydrogen bond. The formation of hydrogen bonds between hydrogen atoms of two hydroxy groups and one oxygen atom of carboxyl group in 2, 2'-dihydroxy-4-methoxy-benzophenone would be easier than that of the other absorbents. The adsorption isotherms of 4-aminobenzoic acid and 2-hydroxy-1, 4-naphthoquinone were similar to Freundlich type, while that of 2, 2'-Dihydroxy-4-methoxy-benzophenone was Henry type. Cotton fabrics treated with Antifade MC-100 and W Cut I-2 were just alike in UV absorption, but Antifade 8001 was inferior to the others.

• 대한화학회지
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• 제55권1호
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• pp.98-103
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• 2011

본 연구는 자외선 흡수제로 사용되는 benzophenone계(group) 및 높은 굴절률과 화학적, 물리적으로 매우 안정한 물질로 알려진 $TiO_2$를 기존의 재료에 첨가하여 자외선 차단 기능을 가진 고분자 재료를 중합하였다. 중합 결과 생성된 고분자의 자외선 흡수 정도를 기존의 재료들과 비교하였으며, 제조된 콘택트렌즈의 함수율, 굴절률 및 광투과율등의 기본적인 물성을 측정하였다. 측정 결과, 자외선 흡수제를 첨가한 콘택트렌즈의 굴절률과 함수율은 각각 1.430~1.440, 35.0~45.0의 값들로 나타나 기존의 콘택트렌즈와 비슷한 결과를 나타내었다. 또한 각 파장대별 광투과율에서는 자외선 흡수제를 넣지 않은 콘택트렌즈에서는 UV-A, UV-B, 가시광선 투과율이 각각 89%, 88%, 89%로 나타나 자외선 투과율이 매우 높았으나, 2-hydroxy-4-methoxy-benzophenone와 2,4-dihydroxy-benzophenone을 첨가한 콘택트렌즈의 경우, 각각 UV-A 0%, UV-B 6%의 투과율을 나타내어 자외선 차단 효과가 있는 것으로 나타났다. 또한 $TiO_2$를 첨가한 콘택트렌즈의 경우, 각각 UV-A 6%, UV-B 51%의 투과율을 나타내어 자외선 차단 효과가 다소 있는 것으로 나타났다. 가시광선 투과율은 모두 77~89%로 콘택트렌즈의 가시광선 투과율의 조건에 만족함을 알 수 있었다.