4FRANKEL L S,STELLWAGEN J W,CUREN J V,WINEY D A.Multi-staged binder for use in elastomeric coatings, caulks and sealants[P].US6060532,2000-05-09.
5SCHWARTE S,WEGNER E,ANGERMUELLER H.Polyurethanes and graft mixed polymers based on polyurethane and their use for producing coating materials,adhesives and sealing masses[P].US 6632915,2003-10-14.
6TESSARI D J,MANKELL K O.Hydrophobic,anti-microbial insulation products and a hydrophobic,anti-microbial coating composition for preparing the same[P].US 2003064224,2003-04-03.