The technology of microcapsule was employed in this paper to prepare fragrant microcapsule agent, in which the core material was lavender oil, and the wall material polyurethane was formed from a reaction with 2, 4-to...The technology of microcapsule was employed in this paper to prepare fragrant microcapsule agent, in which the core material was lavender oil, and the wall material polyurethane was formed from a reaction with 2, 4-tolylene diisocyanate ( TDI ) and poly ( ethylene glycol) (PEG) by interracial polymerization method. Through single factor and orthogonal experiments, the optimum technology conditions have been got as follows: the molecular weight of PEG 400, core/wall ration 1 : 2, disperser sodium alginate (SA) 0.15%, emulsifier Poly(vinyl alcohol) (PVA) 1%, emulsifying speed 9 500 r/min, emulsifying time 5 min and reaction time 2 h. The microcapsule fragrant agent, prepared under the optimum conditions, was applied on the fabrics and a kind of good control-released fragrant fabric with health-care function was obtained.展开更多
文摘The technology of microcapsule was employed in this paper to prepare fragrant microcapsule agent, in which the core material was lavender oil, and the wall material polyurethane was formed from a reaction with 2, 4-tolylene diisocyanate ( TDI ) and poly ( ethylene glycol) (PEG) by interracial polymerization method. Through single factor and orthogonal experiments, the optimum technology conditions have been got as follows: the molecular weight of PEG 400, core/wall ration 1 : 2, disperser sodium alginate (SA) 0.15%, emulsifier Poly(vinyl alcohol) (PVA) 1%, emulsifying speed 9 500 r/min, emulsifying time 5 min and reaction time 2 h. The microcapsule fragrant agent, prepared under the optimum conditions, was applied on the fabrics and a kind of good control-released fragrant fabric with health-care function was obtained.