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US09205104B2 Hydrophilic modified polyrotaxane composition 有权
亲水改性聚轮烷组合物

Hydrophilic modified polyrotaxane composition
Abstract:
The present invention aims to provide a hydrophilic modified polyrotaxane composition having excellent storage stability. The present invention relates to a hydrophilic modified polyrotaxane composition comprising: a hydrophilic modified polyrotaxane produced by modifying, with hydrophilic modifying groups, all or part of hydroxy groups on a cyclodextrin of a polyrotaxane containing the cyclodextrin, a polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a polyphenol antioxidant.
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