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Method for making ground coatings

A technology of floor and cladding, applied in the field of preparation of floor cladding, which can solve the problems of limited aesthetics and economic scope, plastisol pollution, and the impossibility of obtaining single-layer deposition, etc., to achieve the effect of great wear resistance

Inactive Publication Date: 2010-08-18
塔赫凯特简易股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] 3. At this stage, particle penetration into the plastisol is uncontrolled
[0022] 4. Moreover, it is not possible to obtain a monolayer type deposition (without vibrations, possibly due to the viscosity of the plastisol), and if one tries to remove the excess particles via e.g. suction, they will inevitably be contaminated by the plastisol, This would make them impossible to recycle and would create multiple pollution problems
[0030] Finally, current processes using plastisols require a large number of individual sequential steps necessitating individual control, which generally increases production costs
[0031] Thus far, these technologies have had to be supplemented, each limited in its aesthetic and economic scope

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0080] Examples of product (floor covering) structures

[0081] From bottom to top: 1mm glass mat calendered lower layer - 1mm plastisol, to a total thickness of 2mm.

[0082] Description of the structure: non-homogeneous product, with a decoration on the body consisting of particles bound on the surface, without the addition of a transparent wear layer.

[0083] Process steps of the structure

[0084] Unroll calendering - apply 1 mm of plastisol (e.g. opaque plastisol) onto glass mat (as a variant, it is possible to "seal" the glass mat with a first deposit of 200 μm, followed by a gelling pass, followed by Deposition of 800 μm layer by doctor blade or reverse roller); - distribution of flakes; - passage through infrared (IR) furnace or through holding furnace; - entry into low-pressure double-track press (e.g. modified type); - optional embossing; - optional deposition of a PU finish.

[0085] Parameters of low pressure double crawler press

[0086] Heating area: 3m

[0...

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Abstract

The invention relates to a method for making a ground coating made of a thermoplastic material, that comprises the steps of (a) depositing a layer of a liquid component on a substrate, the liquid component being selected from a plastisol, an organosol or an SBR rubber emulsion, (b) powdering solid particles on the liquid component layer, and (c) applying pressure and heat in order to form a ground coating having a smooth surface. The invention also relates to a device for obtaining such coatings.

Description

technical field [0001] The present invention relates to the production of floor coverings (floor coverings) from polymer particles (flakes, vermicelli, granules, etc.), which can cover a very wide range of appearances, including perfectly smooth and Homogeneous product appearance with uniform surface. Background technique [0002] In the field of floor coverings, elastic products (often based on PVC) have achieved great success, largely because they allow a wide variety of decorative possibilities. In fact, it can be printed, optionally combined with the printed design to produce chemical or mechanical embossing (embossing), to produce material effects by combining various types of particles, resulting in Produce lacquered graining, mimic rock or other minerals, or more generally natural effects. [0003] With regard to these material appearances which are more and more attractive to the public and which are also concerned by the present invention, there are two techniques...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C43/30D06N7/00
CPCB29D99/0057B29K2027/06D06N3/06D06N3/08D06N7/0028B29C43/30B29L2031/3017D06N7/0055
Inventor 让-菲利普·乔治理查德·佩雷斯
Owner 塔赫凯特简易股份公司