Pressure-proof PVC tubular product

Abstract

The invention relates to a pressure-proof PVC tubular product, comprising the following components in parts by weight: 100 parts of polyvinyl chloride, 8 parts of antimonous oxide, 2 parts of a stabilizer, 2 parts of calcium stearate, 1 part of a plasticizer, 12 parts of polymeric ester-group calcium, 5 parts of hexamethylphosphoramide, 7 parts of paraffin, 1 part of a dispersing agent and 1 part of a fire retardant. According to the pressure-proof PVC tubular product disclosed by the invention, the crushing resistance of the tubular product is greatly improved, the cost is relatively low, and the pressure-proof PVC tubular product is suitable for popularization and application. Compared with the prior art, the PVC tubular product prepared by the formula disclosed by the invention has the characteristics of high strength, high toughness, and strong impact resistance; and the PVC tubular product is cheap in components, and large in market competitiveness.

Description

technical field [0001] The invention relates to a chemical product, in particular to a pressure-resistant PVC pipe. Background technique [0002] Adding other ingredients to PVC to enhance its heat resistance, toughness, ductility, etc., is a popular, popular and widely used synthetic material in the world today. It is the second most used synthetic material worldwide. PVC pipe (PVC-U pipe) rigid polyvinyl chloride pipe is made of polyvinyl chloride resin, stabilizer, lubricant, etc., and is extruded by hot pressing. It is the earliest plastic pipe that has been developed and applied. PVC-U pipe has strong corrosion resistance, easy bonding, low price, and hard texture. The impact strength of PVC hard products is not high. At present, it is mainly made by adding CPE (chlorinated polyethylene), MBS or high impact ACR. (Acrylic ester copolymer) to improve the impact strength of the product. However, the improvement of the impact resistance of CPE products is limited; high i...

AI Technical Summary

Problems solved by technology

PVC-U pipe has strong corrosion resistance, easy bonding, low price, and hard texture. The impact strength of PVC hard products is not high. At present, it is mainly made by adding CPE (chlorinated polyethylene), MBS or high impact ACR. (acrylate copolymer) to improve the impact strength of products

However, the improvement of the impact resistance of CPE products is limited; high impact ACR and MBS resins can maintain a certain rigidity of the product and improve the impact resistance of the product, but simply adding MBS or ACR still cannot meet the high strength, high impact requirements