COPOLYMERS AND OIL- AND WATER-REPELLENT COMPOSITIONS CONTAINING THEM
申请(专利)号：
PCT/US2000/024865
申请日期：
20000908
公开/公告号：
WO2001053366A1
申请(专利权)人：
国省代号：
WO
被引量：
摘要：
The present invention is directed to a copolymer capable of forming a water- and oil-repellent agent that enables binding to textiles and other materials without the production of formaldehyde. The copolymer according to the present invention comprises a) a fluoroaliphatic radical-containing agent, (b) stearyl (meth)acrylate; (c) a chlorine-containing compound; and (d) a monomer selected from those that contain an anhydride functional group or are capable of forming an anhydride functional group. The present invention further provides a water and oil repellency-imparting composition for fibrous and other substrates, the composition comprising the above copolymer together with a catalyst, such as sodium hypophosphite, for forming anhydrides from the acid-containing monomers in the copolymer. The composition can further optionally comprise other additives such as, for example, poly(acrylic acid); an extender, a softener; an antioxidant; a surfactant; and/or a plasticizer.
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