CPVC pipe for fire protection engineering and preparation method of CPVC pipe

Abstract

The invention provides a CPVC pipe for fire protection engineering and a preparation method of the CPVC pipe. The CPVC pipe comprises a CPVC base pipe, an epoxy powder layer, an adhesive layer, a flame-retardant layer, a heat-resistant layer, an antioxidant layer, an antistatic layer, an anticorrosive layer and a protecting glue layer and a liner layer, wherein the epoxy powder layer, the adhesivelayer, the flame-retardant layer, the heat-resistant layer, the antioxidant layer, the antistatic layer, the anticorrosive layer and the protecting glue layer are sequentially arranged on the outer wall of the CPVC base pipe from inside to outside; the liner layer is arranged on the inner wall of the CPVC pipe; and the flame-retardant layer contains the following components in parts by weight: 30-40 parts of polyurethane resin, 25-35 parts of methyl methacrylate, 10-15 parts of butyl acrylate, 10-15 parts of acrylamide, 10-15 parts of polyvinyl alcohol, 10-15 parts of ammonium polyphosphate,15-25 parts of cellulose acetate, 1-5 parts of a defoaming agent, 1-5 parts of a silane coupling agent and 60-70 parts of deionized water. The CPVC pipe has excellent flame retardance, limited flame spreading property or low smoking performance, high corrosion resistance, good mechanical strength and excellent weather resistance and wear resistance.

Description

technical field [0001] The invention belongs to the technical field of pipe fittings for fire protection engineering, and in particular relates to a CPVC pipe for fire protection engineering and a preparation method thereof. Background technique [0002] As the name suggests, the fire-fighting pipeline is a pipeline system established for fire-fighting. Due to special needs, the thickness and material of the fire-fighting pipeline have special requirements, and it is sprayed with red paint to transport fire-fighting water. Since the fire-fighting pipeline is often in a static state, the requirements for the pipeline are relatively strict. The pipeline needs to be pressure-resistant, corrosion-resistant, and high-temperature resistant. [0003] However, in my country's fire-fighting pipelines, most of the fire-fighting water used is tap water. Because tap water contains a lot of bacteria or corrosive impurities, it is easy to generate a lot of scale or attachments and block t...

AI Technical Summary

Problems solved by technology

Although the fire-fighting pipe provided by this patent has bactericidal and corrosion-resistant properties, its most important flame-retardant and fire-proof performance as a fire-fighting pipe is not much different from ordinary fire-fighting pipes

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