Preparation method of deodorizing type flexible polyurethane foam containing long-acting and slow-release plant essential oil
2015
The invention discloses a preparation method of deodorizing type flexible polyurethane foam containing long-acting and slow-release plant essential oil. According to the method, firstly, a halloysite nanotube is activated, then a reticular structure is formed on the surface of the activated halloysite nanotube through a polymerization reaction of cyclodextrin and isocyanate, and the nanotube is loaded with the essential oil through impregnation; then solid plant essential oil is added to a polymerization reaction process of polyurethane foam, and an active group of a cyclodextrin molecule on the surface of the solid plant essential oil can participate in the polymerization reaction of the polyurethane foam, so that the solid plant essential oil is closely connected with the flexible polyurethane foam and cannot fall off easily.
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