Outdoor compound enhanced ethylene chloride HFCM pipe and preparation method thereof

Abstract

The invention discloses an outdoor compound enhanced ethylene chloride HFCM pipe and a preparation method thereof. The pipe comprises the following components in parts by weight: 100 parts of resin, 3-4 parts of ACR (Acrylics) processing assistant acrylate, 8-10 parts of MBS (Methyl methacrylate-Butadiene-Styrene) impact modifier, 2-3 parts of Q-108 flexibilizer, 5-10 parts of filler nano calcium carbonate, 4-5 parts of stabilizer, 0.5-1 part of lubricant, and 2 parts of pigments and antioxidant. The preparation method comprises the following steps: dosing; kneading at high speed; cooling and stirring; and plastifying and extruding. The pipe disclosed by the invention is low in preparation cost and free from brittleness. The pipe is good in low-temperature toughness resistance, aging resistance, flame retardance and insulation and compressive property. The tubular product is convenient to connect and long in service life.

Description

technical field [0001] The invention relates to the technical field of non-metal building materials, in particular to an outdoor composite reinforced vinyl chloride HFCM pipe and a preparation method thereof. Background technique [0002] With the advancement of science and technology, PP-R hot water pipes, PE-RT hot water pipes, PB hot water pipes, PE-X hot water pipes and PAP aluminum-plastic composite hot water pipes have been gradually developed to replace the steel pipes or cast iron we usually used before. pipes to carry hot water. [0003] Recently, the development of urban planning and construction as well as the cleanliness and beauty of the city require that the overhead high-voltage wires be buried underground. Due to the high-voltage cables and high voltage, they are prone to heat generation or high temperature due to instantaneous accidental short circuit. People usually use modified polymer Propylene (MPP), steel pipes or glass steel pipes are used as s...

AI Technical Summary

Problems solved by technology

[0003] Recently, the development of urban planning and construction as well as the cleanliness and beauty of the city require that the overhead high-voltage wires be buried underground. Due to the high-voltage cables and high voltage, they are prone to heat generation or high temperature due to instantaneous accidental short circuit. People usually use modified polymer Propylene (MPP), steel pipes or glass steel pipes are used as sheath pipes for high-voltage cables. MPP pipes or steel pipes need to be welded during construction, which is inconvenient for field work and relatively low in construction efficiency. High, but the steel pipe is not corrosion-resistant, and its service life is generally only 15 to 30 years before being damaged by corrosion. However, the glass fiber reinforced plastic adopts the glass fiber winding coating process, which is easy to cause pollution during production and use. At the same time, the glass steel pipe is relatively brittle and not durable It is also easy to be delaminated if pressed, knocked or collided, which will affect the service life

[0004] Because the high temperature Vicat softening point of the CPVC pipe produced by the prior art is only 93-110°C, although it is corrosion-resistant, aging-resistant, non-polluting, convenient for adhesive connection, and has good flame-retardant and antibacterial effects, it cannot meet the requirements of high-temperature, high-pressure hot water. The heavy pressure and vibration requirements of pipes and high-voltage cables have greatly affected and restricted the wide use of CPVC pipes in hot water and power engineering.