Environment-friendly lead-free polyvinyl chloride tube material formula

Abstract

The invention discloses an environment-friendly lead-free polyvinyl chloride tube material formula which is characterized in comprising the components of, by weight: 30-60 parts of CPVC resin, 5-8 parts of a plasticizer, 10-15 parts of potassium hexatitanate whisker, 10-15 parts of stearic acid, 5-12 parts of nitrile rubber powder, 1-5 parts of nano-grade calcium carbonate, 10-20 parts of an impact modifier, and 2-5 parts of polyamide. With a lubricant, during the production process, the material can be more uniform, extrusion smoothness and flatness are improved, and internal structure can be reinforced. The prepared polyvinyl chloride tube material has the characteristics of high toughness and high mechanical strength. The material is better than same-type products in the market.

Description

technical field [0001] The invention relates to an environment-friendly lead-free polyvinyl chloride pipe material formula, which belongs to the technical field of polymer materials. Background technique [0002] Polyvinyl chloride pipe, also known as PVC pipe, is a pipe made of thermoplastic polymer polymerized by vinyl chloride monomer. It uses polyvinyl chloride resin as the main raw material, and adds an appropriate amount of anti-aging agent, modifier, etc. It is a material made by kneading, calendering, vacuum blister and other processes. PVC pipe has strong corrosion resistance and is easy to bond. PVC has strong resistance to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons. Contents of the invention [0003] Aiming at the deficiencies in the prior...

AI Technical Summary

Problems solved by technology

However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons.