PVC stone-plastic floor and production method thereof

Abstract

The invention relates to the technical field of floors, in particular to a PVC stone-plastic floor and a production method thereof. The PVC stone-plastic floor is formed by a wear-resistant layer, a decoration layer and a base layer through hot pressing composition, wherein the base layer is formed by a middle layer, a stone-plastic base material layer and a bottom layer through hot pressing composition, the middle layer is close to the decoration layer, the stone-plastic base material layer is located in the middle, and the bottom layer is at the bottom of the whole PVC stone-plastic floor; the middle layer comprises components in percentage by mass as follows: 12%-17% of PVC resin, 7%-11% of dioctyl terephthalate, 0.1%-0.3% of a stabilizer, 70%-80% of calcium carbonate and 0.05%-0.1% ofcarbon black; the bottom layer comprises components in percentage by mass as follows: 30%-40% of PVC resin, 7%-15% of dioctyl terephthalate, 0.3%-1.0% of a stabilizer, 50%-70% of calcium carbonate and0.02% of carbon black.

Description

technical field [0001] The invention relates to the field of floor technology, in particular to a PVC stone-plastic floor and a manufacturing method thereof. Background technique [0002] Due to its low plasticizer content and its thermal expansion and contraction performance is 1 / 2 of the traditional semi-rigid PVC floor, the rigid PVC stone-plastic floor is being favored by more and more consumers in the market. The PVC stone-plastic floor currently on the market is a hard floor with PVC resin powder, calcium carbonate, stabilizer, lubricant, and toughening agent as the main materials, and a one-time composite color film and wear-resistant layer of SPC continuous line. . The process has the characteristics of high degree of automation and less process. [0003] But the PVC stone-plastic floor that existing SPC extruding line produces has following shortcoming: one, product can not be cooled in time, shrinkage performance is not ideal and can not be controlled by temperin...

AI Technical Summary

Problems solved by technology

[0003] However, the PVC stone-plastic floor produced by the existing SPC extrusion line has the following disadvantages: 1. The product cannot be cooled in time, the shrinkage performance is not ideal and cannot be controlled by tempering process

2. The surface embossment is single and its depth is shallower than that of products produced by traditional hot-pressing technology, and its three-dimensional sense and fidelity are partially lost, which cannot meet the expectations and needs of most consumers in the existing market for product appearance effects

3. The foot feel of the product is too poor, and basically loses the maximum elasticity characteristic of PVC elastic floor

3. It is difficult to operate the common anti-floor products of PVC block floor using this equipment and process, and the production cost is high. There is no successful case in the market at present.

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