FIELD: pulp and paper industry.
SUBSTANCE: invention relates to a method of producing protective coatings on cellulose materials and articles therefrom. Method involves forming on material a substrate layer and a main protective coating, wherein substrate applied onto surface is polyvinyl acetate (PVA) by dipping article in an aqueous emulsion with concentration of 20–40 %, article is dried to constant weight at 60–70 °C with subsequent application of two layers of varnish EP-5123 with viscosity of 12–16 with by pulverising for 8–12 s with continuous rotation, wherein each layer is dried to constant weight.
EFFECT: technical result consists in production of protective coating on cellulose material, which at high temperatures enables to preserve its physical stability.
1 cl, 1 tbl, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF APPLYING PROTECTIVE COATING ON COMPOSITE COMBUSTIBLE MATERIAL | 2019 |
|
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| METHOD FOR APPLYING A PROTECTIVE COATING TO THE BURNING MATERIAL OF A RIGID BURNING CARTRIDGE | 2021 |
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| PERHYDROPOLYSILAZANE CONTAINING COATING FOR DEPOSITING ON METAL AND POLYMER SURFACES | 2005 |
|
RU2374284C2 |
| METHOD OF FORMING PROTECTIVE COATINGS FOR ARTICLES HAVING ART PAINTINGS | 1995 |
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| WOOD COLORING METHOD | 2005 |
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| PROTECTIVE LACQUER, PARTICULARLY FOR SECURITY DOCUMENTS | 2020 |
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| LACQUER COMPOSITION | 2015 |
|
RU2613915C1 |
| PACKING MATERIAL, ABSORBING OXYGEN | 2005 |
|
RU2360855C2 |
| COATING MATERIAL FOR PROTECTING METALS, PARTICULARLY STEEL, FROM CORROSION AND/OR SCALING, METHOD OF APPLYING COATING ONTO METALS, METALLIC ELEMENT | 2006 |
|
RU2425853C2 |
| PROTECTIVE COAT FOR PRINTED CIRCUIT BOARDS | 2008 |
|
RU2377266C1 |
