MULTIPLE-LAYER ROLLED POLYMER COVERING Russian patent published in 2004 - IPC

FIELD: production of laminated materials, in particular, rolled polymer linoleum-type coverings used in construction industry.

SUBSTANCE: covering has upper layer including at least two-three polyvinyl chloride films, with printed pattern applied onto at least one of films. Upper polyvinyl chloride layer may comprise in its structure reinforcing material, such as glass cloth or nonwoven glued web. Substrate-lower layer may be rolled material of foamed polyethylene or polypropylene or mixture thereof having density of from 50 to 100 kg/m³ with upper (polyvinyl chloride) and lower layer thickness ratio being 1.0:(1-3), or rolled material of foamed, chemically or radiation stitched polyethylene or polypropylene or mixture thereof having density of from 50 to 100 kg/m³ with upper (polyvinyl chloride) and lower layer thickness ratio of 1.0:(1-3).

EFFECT: increased wear-resistance, improved sound-proofing properties and increased sanitary and hygienic qualities of rolled polymer coverings.

5 cl, 3 dwg, 1 tbl, 7 ex