Journal of the Korean Chemical Society (대한화학회지)
- Volume 19 Issue 4
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- Pages.280-285
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- 1975
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- 1017-2548(pISSN)
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- 2234-8530(eISSN)
Studies on Photosentitive Polymers (XI). Studies on Photodegradative Reaction of Naphthoquinone-1,2-diazide-5-sulfonyl Esters
感光性 樹脂에 關한 硏究 (第11報). Naphthoquinone-1,2-diazide-5-sulfonyl Esters의 光分解反應
- Shim Jyong Sup (Department of Chemical Technology, College of Engineering, Seoul National University) ;
- Kang Doo Whan (Department of Chemical Technology, College of Engineering, Seoul National University)
- Published : 1975.08.30
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45 8
Abstract
The degradation mechanisms of naphthoquinone-1,2-diazide-5-sulfonyl esters(PGND, BEND and PVAND) of polyglyceryl phthalate (PG), bisphenol A-epichlorohydrin (BE) and polyvinyl alcohol (PVA) were studied by infrared absorption spectra. Absorption band due to C=N=and C=O of o-quinonediazide group decreased or disappeared after sufficient exposing to light. And also, absorption band C=O of indene carboxylic acid was increased. From the results, it may be concluded that the above photosensi tive polymers were dissociated to indene carboxylic acid soluble in aqueous alkali solution. Further, the effect of sensitizers were examined by the variation of intensity in infrared absorption spectra of sensitized and unsensitized samples.
Keywords
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References
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