Polymer ammonium borates and processes for their preparation

Details Polymer ammonium borates and processes for their preparation Polymer ammonium borates and processes for their preparation

C - Chemistry, Metallurgy

08

G

C08G 79/08 (2006.01) C08F 8/42 (2006.01) C08F 26/02 (2006.01) C09D 185/04 (2006.01)

Patent

CA 2051788

- 1 - HOE 90/F 277 Abstract of the disclosure: Polymer ammonium borates and processes for their preparation Polymer ammonium borates having a molecular weight from about 5000 to about 500,000 and obtained by homopolymer- ization of monomers, such as, for example, diallyldi- alkylammonium chloride, and by copolymerization of mixtures of two monomers, such as, for example, diallyl- dimethylammonium chloride and diallylmethyloctylammonium chloride, having molar monomer ratios of about 0.5:0.5 to about 0.95:0.05 in the copolymer, followed, if desired, by anion exchange, and mixtures of these compounds. Polymer ammonium borates according to the invention are suitable as colorless charge-control agents in toners and developers for electrophotographic recording processes and as charge-improving agents in powders and coatings for surface coating.

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