| abstract |
The invention discloses a fast-forming PVC-U pipe and a preparation method thereof, wherein the raw materials for preparing the fast-forming PVC-U pipe comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 12-18 parts of modified EVA, 5-18 parts of chlorinated polyethylene, 6-12 parts of plasticizer, 2-6 parts of potassium titanate whisker, 0.1-0.5 part of antioxidant, 2.5-4.0 parts of heat stabilizer, 0.8-1.6 parts of calcium stearate and 1.5-2.5 parts of stearic acid. The fast-forming PVC-U pipe prepared by the invention has excellent thermal stability and impact resistance, small cohesiveness with equipment in the processing process, easy fast processing and forming, simple preparation method, easy operation of preparation process and good economic benefit. |