Preparation method and application of organic long-afterglow polyurethane elastic fiber with high quantum yield
The invention provides a preparation method and application of a high-quantum-yield organic long-afterglow polyurethane elastic fiber, and the preparation method comprises the following steps: (1) carrying out reaction on oligomer polyol and excessive diisocyanate to form an NCO-terminated prepolyme...
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| creator | WANG XIAOYAN ZHANG JIAXIN DU JINMEI XIAO GUOWEI YANG SHUKANG JIANG YANG XU CHANGHAI MIAO DAGANG |
| description | The invention provides a preparation method and application of a high-quantum-yield organic long-afterglow polyurethane elastic fiber, and the preparation method comprises the following steps: (1) carrying out reaction on oligomer polyol and excessive diisocyanate to form an NCO-terminated prepolymer solution, and dropwise adding ethylenediamine into the prepolymer solution to carry out chain extension reaction to obtain a polyurethane spinning solution; (2) adding a fluorescent dye into the polyurethane spinning solution prepared in the step (1), and uniformly stirring at room temperature to form a polyurethane-fluorescent dye spinning solution; and (3) carrying out wet spinning on the polyurethane-fluorescent dye spinning solution to prepare the organic long afterglow polyurethane elastic fiber with high quantum yield. According to the invention, the problems of poor flexibility, low quantum yield, short service life, non-uniform luminescence, unstable luminescence and the like of the existing long-afterglo |
| format | Patent |
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According to the invention, the problems of poor flexibility, low quantum yield, short service life, non-uniform luminescence, unstable luminescence and the like of the existing long-afterglo</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES |
| title | Preparation method and application of organic long-afterglow polyurethane elastic fiber with high quantum yield |
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