Mold-resistant paper and gypsum panel, antimicrobial paper coating and related methods
AssigneeUnited State Gypsum Company
InventorEvan Vincent Rohlf
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Abstract
A mold-resistant paper is provided. The paper is coated on at least one surface with an anti-microbial coating which includes polymerized siloxane and a fungicide. An antimicrobial paper coating and related methods are provided as well. A gypsum panel with improved resistance to mold and mildew is provided as well.
Claims19
A mold-resistant paper coated on at least one surface with an anti-microbial coating comprising polymerized siloxane and a fungicide.
A method of making a mold-resistant multi-ply paper, the method comprising:
- feeding the paper to a calender stack;
- feeding to the calender stack an antimicrobial coating composition comprising from 1% to 10% of a non-ionic polymerized siloxane and from 1% to 10% of a water-insoluble fungicide selected from the group consisting of 3-iodo-2-propynylbutyl carbamate, zinc pyrithione, zinc oxide, azoxystrobin, thiabendazol, octylisothiazoline, dichloro-octylisothiazoline, zinc dimethyldithiocarbamate, benzimidazole, 3-(3,4-dichloropheny)-1,1-dimethylurea and a combination thereof;
- and
- applying the antimicrobial coating composition to at least one surface of the paper with the calender stack.
An antimicrobial coating composition, the composition comprising from 1% to 10% of a non-ionic polymerized siloxane and from 1% to 10% of a water-insoluble fungicide selected from the group consisting of 3-iodo-2-propynylbutyl carbamate, zinc pyrithione, zinc oxide, azoxystrobin, thiabendazol, octylisothiazoline, dichloro-octylisothiazoline, zinc dimethyldithiocarbamate, benzimidazole, 3-(3,4-dichloropheny)-1,1-dimethylurea and a combination thereof.
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Dependencies are inferred from the claim text.