High-impact strength PVC pinch plate and making method thereof

Abstract

The invention discloses a high-impact strength PVC pinch plate and a making method thereof. The PVC pinch plate is made from, by weight, 45-50 parts of PVC resin, 110-120 parts of heavy calcium carbonate, 3-4 parts of a liquid zinc and tin stabilizer, 1-2 parts of PE wax, 1-2 parts of stearic acid, 3.5-4 parts of titanium dioxide, 0.1-0.15 parts of a whitener, 10-20 parts of recovered PVC wastes, 2-3 parts of an ACM impact modifier, 0.05-0.1 parts of light storing powder, 1-2 parts of nano-silica, 0.3-0.8 parts of a foaming agent, 0.03-0.08 parts of a micro-pore regulator and 3-4 parts of a halogen-free fire retardant. The PVC pinch plate made through the steps of mixing above raw materials, cooling the obtained mixture, drawing the cooled mixture and carrying out curing molding has the advantages of high impact strength, excellent flame retardation performance, environmental protection, low production cost and light storing performance.

Description

technical field [0001] The invention relates to a PVC gusset plate with high impact resistance, halogen-free flame retardancy and light storage and a preparation method thereof, belonging to the technical field of interior decoration materials, in particular to a PVC gusset plate with high impact resistance strength and a preparation method thereof. Background technique [0002] PVC gusset is made of polyvinyl chloride resin as the base material, by adding anti-aging agents, modifiers and other additives, and is made by kneading, calendering, vacuum blister and other processes. It is suitable for ceiling decoration materials in kitchens and bathrooms. . Compared with commonly used ceiling decoration materials (aluminum gusset board and waterproof gypsum board), PVC gusset board has the advantages of light weight, moisture resistance, heat insulation, non-flammable, non-dusting, easy to clean, paintable, easy to install, and low price. Advantages, deeply loved by consumers. ...

AI Technical Summary

Problems solved by technology

[0003] In recent years, there have been many reports about PVC gussets, which has led to a shrinking trend in the PVC gusset market. The reasons are: ①Using a new PVC resin as the base material, the lubricity is poor during processing, and a large amount of lubricant needs to be added to improve it, resulting in cost still High; ②The lead salt stabilizer used in the PVC gusset formula is toxic to a certain extent, which is not conducive to environmental protection; ③There is a high demand for consumers, and the functionality is relatively low, such as the flame retardancy and impact resistance of light-storing PVC gussets. Poor, and the flame-retardant PVC gusset does not have light storage performance; ④ Due to the application of a large number of fillers, the quality of the PVC gusset is still heavy

[0004] For the defect that the PVC gusset is still significantly heavy, the patent CN103012992A discloses a PVC gusset, which adds modified straw powder to achieve the purpose of reducing the quality, but the gusset has the following defects: due to the addition of straw powder, The flame retardancy of the product is significantly reduced; the gusset plate does not form a microporous buffer structure, and its impact resistance is also limited; without adding PVC processing aids, its processability is poor, and it still cannot fully meet market demand

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