초록

A non-toxic, antifouling coating composition is provided which comprises zinc oxide contacted with photosensitizer(s) which increase the capability of zinc oxide to absorb visible light.

대표청구항 ▼

[ What is claimed is:] [1.] A material useful for producing antifouling activity when incorporated into a carrier comprising:about between 20 wt. % and 60 wt. % of the total material weight of zinc oxide containing less than about 0.001% by weight of lead, cadmium and sulphur oxides and being obtain

[ What is claimed is:] [1.] A material useful for producing antifouling activity when incorporated into a carrier comprising:about between 20 wt. % and 60 wt. % of the total material weight of zinc oxide containing less than about 0.001% by weight of lead, cadmium and sulphur oxides and being obtained from colloidal zinc oxide so as to have a mean particle size of between 0.1 to 0.5 microns and a surface area between 1 to 10 square meters per gram;a photosensitizer in photoelectric contact with zinc oxide and being present in a ratio of one part by weight or less of photosensitizer to four parts by weight zinc oxide, said photosensitizer having a solubility below five parts per million by weight in water and wherein said photosensitizer is contacted by said zinc oxide and is selected from the group consisting of fumed anatase, strontium titanate, bianthrone, azulene, zinc pyrithione, terthiophene, hypericin and mixtures thereof.