Free laying floor tile having pvc based backing material for preventing tile from slipping provided on back surface thereof

a backing material and free-laying technology, applied in the field of loose-leaf floor tiles, can solve the problems of poor water resistance, prone to fracture of foamed material sheets, and difficulty in separating sheets
US20060048464A1Inactive Publication Date: 2006-03-09TAJIMA +1
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
TAJIMA
Publication Date
2006-03-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

A loose-lay floor tile which has on a back face a nonskid backing material obtained by solidifying a paste sol containing a plasticizer and one of polyvinyl chloride, copolymers of vinyl chloride and vinyl acetate and mixtures of polyvinyl chloride and polyvinyl acetate. Drawbacks of conventional acrylic mechanically foamed materials such as water absorption, resistance to water, resistance to alkali and strength of a foamed material are improved.
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Description

TECHNICAL FIELD

[0001] The present invention relates to a loose-lay floor tile which has on the back face a nonskid backing material using a polyvinyl chloride-based raw material (“polyvinyl chloride” will be referred to as “PVC”, hereinafter). BACKGROUND ART

[0002] As the material for providing the nonskid property to a loose-lay floor tile, mechanically foamed materials containing an emulsion of an acrylic resin as the main component (referred to as “acrylic mechanically foamed materials, hereinafter) are conventionally used. The production of the above material has been studied, and the properties of the material have been evaluated. The results of the study and the evaluation show that the above material has the following drawbacks (a) to (d):

[0003] (a) Markedly Great Water Absorption

[0004] Water is absorbed through joints during maintenance.

[0005] Water is absorbed during washing for recycling.

[0006] Water in a moist ground coat is absorbed.

[0007] (b) Poor Resistance to Wa...

Claims

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