Patent ID: 6461541
Filing Date: 2002-10-08
Classification: C08G,C08L

Abstract:
A polymer film for smart window comprisinga polyalkylacrylate dispersion polymer containing dispersed dichroic particles dispersed in a polymethylphenyl-dimethylsiloxane copolymer, and a polymethylphenyl-dimethylsiloxane copolymer as a film medium polymer, wherein said dichroic particles are synthesized via reaction between nickel picolinate and polyiodide, said polymethylphenyl-dimethylsiloxane copolymer has dispersion degree of less than 1.8, number average molecular weight between 60,000 to 2,000,000, and molar ratio of the methylphenyl siloxane group to dimethylsiloxane group is between 1:3 to 1:5.