采用细乳液聚合法以聚丙烯酸叔丁酯为壁材制备兔耳草醛纳米胶囊.考察了乳化剂用量、芯壁比和十六烷用量对兔耳草醛纳米胶囊粒径、粒径分布、载香量和包埋率的影响.并采用红外光谱、透射电镜和气相色谱对兔耳草醛胶囊进行性能表征.结果表明,兔耳草醛已被引入聚丙烯酸叔丁酯中;兔耳草醛纳米胶囊呈圆球型,胶囊内部浅色部分为兔耳草醛,外部为聚丙烯酸叔丁酯,粒径分布较均匀约100nm;普通加香棉织物经10次洗涤后其香气强度较未洗涤棉织物降低了30.17%.兔耳草醛纳米胶囊加香后棉织物经10次洗涤后其香气强度较未洗涤棉织物下降了8.39%.兔耳草醛纳米胶囊加香棉织物的香气缓释效果明显优于普通兔耳草醛加香棉织物.
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