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A kind of stone-plastic floor and preparation method thereof

A stone-plastic floor and substrate technology, which is applied in the field of floor manufacturing, can solve the problems of stone-plastic floor strength, size deviation, gaps of different sizes, air bubbles or air chambers, etc., and achieve good product installation effect, strength and The effect of increasing the pulling force and making it difficult to disengage

Active Publication Date: 2017-11-03
大自然家居(中国)有限公司 +1
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Problems solved by technology

[0002] Stone-plastic flooring is popular among consumers because of its waterproof, wear-resistant, and long service life. It is generally composed of PVC (polyvinyl chloride) substrate layer, PVC middle layer, decorative layer, wear-resistant PVC layer, and UV paint. The layers are bonded sequentially, and the PVC base layer and the PVC middle layer are generally obtained by adding stone powder (usually calcium carbonate) to the PVC material, and then heat-fusion the mixture of the two. In the process of thermal fusion of stone powder (inorganic materials) such as calcium and organic material PVC, stone powder cannot produce cross-layer, cross-linking, and fusion reactions with PVC materials, but simply acts as a filling, and the heat shrinkage of these two materials There is a large difference in ratio, and it is easy to form gaps, air bubbles or air chambers of different sizes (such tiny gaps are very obvious under a 10-fold magnifying glass), and the resulting stone-plastic floor has low strength and unstable product performance. Especially under the influence of temperature and moisture in the environment, this kind of stone-plastic floor products will have large size deviations, resulting in assembly gaps, which seriously affect the appearance and quality of the floor

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  • A kind of stone-plastic floor and preparation method thereof
  • A kind of stone-plastic floor and preparation method thereof
  • A kind of stone-plastic floor and preparation method thereof

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[0021] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings, but the embodiments of the present invention described below are only examples and do not constitute any limitation to the present invention.

[0022] This embodiment provides a stone-plastic floor, such as figure 1 and figure 2 As shown, it includes a substrate layer 1, an intermediate layer 2, a decorative layer 3, a wear-resistant layer 4 and a paint layer 5 joined in sequence, at least one of the substrate layer 1 and the intermediate layer 2 comprises a PVC matrix and is dispersed in the Filler particles in the PVC matrix, wherein the filler particles are composed of SiO 2 、Al 2 o 3 , CaCO 3 , The composition of NaCl. The mass percentage of the filler particles contained in at least one layer of the substrate layer 1 and the middle layer 2 is 45% to 55%, for exa...

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Abstract

The invention provides a stone-plastic floor, which comprises a substrate layer, an intermediate layer, a decorative layer, a wear-resistant layer and a paint layer joined in sequence, at least one of the substrate layer and the intermediate layer comprises a PVC substrate and Filler particles dispersed in the PVC matrix, wherein the filler particles are composed of a composition comprising SiO2, Al2O3, CaCO3, and NaCl. The invention also provides a method for preparing the stone-plastic floor. The stability of the stone-plastic floor provided by the invention is higher than that of common stone-plastic floor.

Description

technical field [0001] The invention relates to the field of floor manufacturing, in particular, the invention relates to a stone-plastic floor and a preparation method thereof. Background technique [0002] Stone-plastic flooring is popular among consumers because of its waterproof, wear-resistant, and long service life. It is generally composed of PVC (polyvinyl chloride) substrate layer, PVC middle layer, decorative layer, wear-resistant PVC layer, and UV paint. The layers are bonded sequentially, and the PVC base layer and the PVC middle layer are generally obtained by adding stone powder (usually calcium carbonate) to the PVC material, and then heat-fusion the mixture of the two. In the process of thermal fusion of stone powder (inorganic materials) such as calcium and organic material PVC, stone powder cannot produce cross-layer, cross-linking, and fusion reactions with PVC materials, but simply acts as a filling, and the heat shrinkage of these two materials There is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04F15/02B32B27/06B32B27/30
Inventor 佘学彬谭宏伟
Owner 大自然家居(中国)有限公司
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