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Flame retardant antistatic toughening PVC (Poly Vinyl Chloride) pipe for methane

A flame-retardant and anti-static, PVC pipe technology, applied in the direction of hoses, pipes, rigid pipes, etc., can solve the problems of unfavorable PVC pipe application, poor impact resistance and insufficient flame retardancy of PVC pipes, and reduce the possibility of static fire The effect of improving the safety of use and reducing the smoke

Active Publication Date: 2014-08-06
宁夏青龙塑料管材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PVC pipes have poor impact resistance, insufficient flame retardancy, smoke will be generated when burning, and are not antistatic. These defects are not conducive to the application of PVC pipes in the field of biogas and natural gas transportation.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Prepare ingredients according to the following ratio:

[0032] 80 parts of polyvinyl chloride resin (SG-5), 1.2 parts of composite lead stabilizer, 0.8 parts of paraffin wax, 0.4 parts of polyethylene wax, 0.3 parts of ACR201, 2 parts of CPE, 1 part of ACR401, 5 parts of superfine light calcium carbonate, 2 parts of nanoscale talcum powder, 0.05 part of carbon black as a colorant, 0.6 part of antimony trioxide, 1.0 part of aluminum hydroxide, 1.5 parts of sodium dodecylsulfonate, and 0.4 part of conductive furnace black.

[0033] The above-mentioned ingredients are hot-mixed and cold-mixed, and then extruded to form a pipe. After testing: volume resistivity 5.1×10 6 , the oxygen index of flame retardant effect is 60%, and the smoke suppression rate is more than 82%.

Embodiment 2

[0035] Prepare ingredients according to the following ratio:

[0036] 100 parts of polyvinyl chloride resin (SG-5), 1.9 parts of calcium zinc stabilizer, 0.4 parts of stearic acid, 0.5 parts of oxidized polyethylene wax, 0.5 parts of ACR (201), 2 parts of CPE, 2 parts of MBS, ultra-fine and light 4 parts of high-quality calcium carbonate, 1.5 parts of nano-scale ultra-fine calcium carbonate, 0.05 parts of colorant carbon black, 0.6 parts of tricresyl phosphate, 0.8 parts of aluminum hydroxide, 2 parts of sodium dodecyl sulfonate, 0.6 parts of conductive furnace black .

[0037] The above-mentioned ingredients are hot-mixed and cold-mixed, and then extruded to form a pipe. After testing: volume resistivity 8.7 × 10 6 , the oxygen index of flame retardant effect is 60%, and the smoke suppression rate is more than 75%.

Embodiment 3

[0039] Prepare ingredients according to the following ratio:

[0040] 50 parts of polyvinyl chloride resin (SG-5), 0.6 parts of calcium zinc stabilizer, 0.5 parts of paraffin wax, 0.3 parts of oxidized polyethylene wax, 0.2 parts of stearic acid, 0.1 parts of ACR (201), 2 parts of CPE, 2 parts of MBS 1 part, ACR401 1 part, 8 parts of superfine light calcium carbonate, 1.5 parts of nanometer ultrafine calcium carbonate, 1.5 parts of nanometer talc, 0.01 part of colorant carbon black, 0.6 part of tricresyl phosphate, 0.8 part of aluminum hydroxide , 1.1 parts of antimony trioxide, 3 parts of sodium dodecylsulfonate.

[0041] The above-mentioned ingredients are hot-mixed and cold-mixed, and then extruded to form a pipe. After testing: volume resistivity 3.12×10 6 , the oxygen index of flame retardant effect is 60%, and the smoke suppression rate is more than 80%.

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Abstract

The invention relates to a flame retardant antistatic toughening PVC (Poly Vinyl Chloride) pipe for methane. The pipe is produced and prepared by adding a nanometer strengthening and toughening material and an antistatic and fire retardant material to polyvinyl chloride resin. According to the flame retardant antistatic toughening PVC pipe for methane, the coordinative antistatic effects of alkyl sulfonic acid and conductive carbon black as well as the coordinative flame retardant smoke suppression effects of antimonous oxide, and tricresyl phosphate or aluminium hydroxide are fully utilized, so that the purpose of safely using the flame retardant antistatic toughening PVC pipe for methane in the methane transportation filed can be achieved along with the outstanding toughening and strengthening material. Compared with the traditional plastic pipe, the flame retardant antistatic toughening PVC pipe for methane has relatively high durable performance and relatively high safety, is specifically suitable for the fields of outdoor branch pipes for methane and home-entering introducing pipes, can effectively improves the safety in use, reduces the possibility that a pipeline is cracked and leaks gas due to an accidental impacting and the possibility that the pipeline causes an antistatic fire due to the reduced whole antistatic effect, cannot fuel the fire in case the fire occurs, generates little smoke, and reduces the risk of the fire to the affected residents and firefighters.

Description

technical field [0001] The invention relates to a kind of flame-retardant antistatic and toughened PVC pipe material for biogas, in particular to a flame-retardant and antistatic PVC pipe material for biogas produced and prepared by using nano-scale reinforced, toughened materials, antistatic and flame-retardant materials . Background technique [0002] The main component of PVC pipe is polyvinyl chloride resin, and some additives are added to achieve heat resistance, toughness, impact resistance, etc. PVC pipes are widely used in the field of water supply and drainage, and have the advantages of acid resistance, alkali resistance, corrosion resistance and high strength. However, PVC pipes have poor impact resistance, insufficient flame retardancy, smoke when burned, and are not antistatic. These defects are not conducive to the application of PVC pipes in the field of biogas and natural gas transportation. Contents of the invention [0003] The object of the present inv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L51/00C08L23/28C08K13/06C08K9/04C08K3/26C08K3/34C08K3/22C08K5/526C08K5/42C08K3/04F16L9/12F16L11/04
Inventor 李永峰明瑞军鲁忠瑛李晓轩雒建武张红梅
Owner 宁夏青龙塑料管材有限公司
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