Preparation method of high-flame-retardant smoke-suppression LVT floor wear-resistant layer

Abstract

The invention discloses a preparation method of a high-flame-retardant smoke-suppression LVT floor wear-resistant layer. The preparation method comprises the following steps of: (1) taking the following production raw materials in parts by weight: 100 parts of polyvinyl chloride resin, 0-40 parts of a plasticizer, 0-50 parts of a flame retardant, 0-8.0 parts of a smoke suppression agent, 1.0-6.0 parts of a stabilizer and 0.5-3.0 parts of a processing aid; and (2) mixing the production raw materials, performing internal mixing, performing open milling, calendering, cooling, drawing and discharging to obtain the high-flame-retardant smoke-suppression LVT floor wear-resistant layer. According to the LVT floor wear-resistant layer prepared by the method disclosed by the invention, the wear-resistant layer has excellent flame-retardant smoke-suppression performance by reasonably proportioning the components of the plasticizer, the flame retardant and the smoke suppression agent; and by controlling the mixing, internal mixing and other parameters, the light transmittance and flexibility of the wear-resistant layer are greatly improved, the pattern of a color film can be displayed to thegreatest degree when the wear-resistant layer is applied to the LVT floor, the pattern diversity of the LVT floor is reflected, and the wear-resistant layer can be applied to ships, rail transit and other places with relatively strict operating requirements.

Description

technical field [0001] The invention relates to the technical field of LVT flooring, in particular to a method for preparing a wear-resistant layer of a highly flame-retardant and smoke-suppressing LVT floor. Background technique [0002] LVT (Luxury Vinyl Tile) floor is PVC floor. LVT floor is a high-grade and environmentally friendly building decoration material. It is wear-resistant, waterproof, moisture-proof, UV-resistant, acid and alkali corrosion-resistant, and has good anti-skid performance. It is safe and comfortable to walk, and is green and environmentally friendly. , easy paving and other advantages, can be widely used in a variety of places. The main component is polyvinyl chloride material, and the LVT floor is mainly composed of multi-layer materials such as wear-resistant layer, color film layer, middle material layer, and bottom material layer from top to bottom. [0003] Although the current conventional LVT flooring can meet the flame retardant performanc...

AI Technical Summary

Problems solved by technology

In order to improve the flame retardant and smoke suppression performance of the LVT floor wear-resistant layer, a flame retardant and smoke suppressant can be added to the raw materials, but the addition of the flame retardant and smoke suppressant will reduce the light transmittance and flexibility of the wear-resistant layer, greatly reducing the LVT The excellent performance of laminate flooring itself

Images