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Flame-retardant trenchless modified polypropylene plastic cable conduit

A polypropylene plastic and cable conduit technology, applied in the field of polypropylene plastic, can solve the problems of difficult combustion and poor impact resistance of materials, and achieve the effects of prolonging service life, improving melt index and prolonging oxidation induction period.

Pending Publication Date: 2020-11-13
JIANGSU NOBEL PLASTICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polypropylene PP resin has good processability, toughness, chemical resistance, light weight and low price, so it has a wide range of applications, and it is also especially suitable for cable material conduits; however, due to the compressive properties of polypropylene PP resin, The impact resistance is poor, and polypropylene PP resin is a flammable material with an oxygen index of 18.0%. When the oxygen index is between 20% and 27%, the material will self-extinguish when it burns. When the oxygen index is greater than 27%, the material will It will be difficult to burn, so polypropylene (PP) resin is blended with appropriate flame-retardant materials to increase its oxygen index, so as to achieve flame-retardant purposes. For this reason, we propose a modified polypropylene plastic cable for flame-retardant non-excavation catheter

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0021] 1) First soak 2 parts of octabromoether, 2 parts of antimony oxide and aluminate, and then soak 100 parts of polypropylene PP resin, 10 parts of nano-calcium carbonate, 0.1 part of coupling agent KH-550, and 0.1 part of antioxidant Agent 1010, 0.1 part of zinc stearate and 0.1 part of barium stearate were mixed, at this time, the mixing temperature was controlled at 80°C, and the mixing and stirring time was 10 minutes;

[0022] 2) Use a twin-screw extruder to extrude and granulate, and then use a single-screw extruder to make a modified polypropylene plastic cable conduit for flame-retardant non-excavation, or directly use a twin-screw extruder to make a flame-retardant non-excavation Use modified polypropylene plastic cable guide.

specific Embodiment 2

[0024] 1) First soak 20 parts of octabromoether, 8 parts of antimony oxide and aluminate, and then soak 100 parts of polypropylene PP resin, 15 parts of nano-calcium carbonate, 1.0 parts of coupling agent KH-550, 1.0 parts of antioxidant Agent 1010, 1.0 part of zinc stearate and 1.0 part of barium stearate were mixed, at this time, the mixing temperature was controlled at 80°C, and the mixing and stirring time was 10 minutes;

[0025] 2) Use a twin-screw extruder to extrude and granulate, and then use a single-screw extruder to make a modified polypropylene plastic cable conduit for flame-retardant non-excavation, or directly use a twin-screw extruder to make a flame-retardant non-excavation Use modified polypropylene plastic cable guide.

specific Embodiment 3

[0027] 1) First soak 11 parts of octabromoether, 5 parts of antimony oxide and aluminate, then soak 100 parts of polypropylene PP resin, 12.5 parts of nano-calcium carbonate, 5.5 parts of coupling agent KH-550, and 5.5 parts of antioxidant Agent 1010, 5.5 parts of zinc stearate and 5.5 parts of barium stearate were mixed, at this time, the mixing temperature was controlled at 80°C, and the mixing and stirring time was 10 minutes;

[0028] 2) Use a twin-screw extruder to extrude and granulate, and then use a single-screw extruder to make a modified polypropylene plastic cable conduit for flame-retardant non-excavation, or directly use a twin-screw extruder to make a flame-retardant non-excavation Use modified polypropylene plastic cable guide.

[0029] Through specific example 1-specific example 33 to carry out test comparison, under the same environment, the modified polypropylene plastic cable guide for flame-retardant non-excavation is obtained, and the flame-retardant effec...

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Abstract

The invention discloses a flame-retardant trenchless modified polypropylene plastic cable conduit. The flame-retardant trenchless modified polypropylene plastic cable conduit is prepared from the following components in parts by weight: 100 parts of PP resin, 2 to 20 parts of octabromo ether, 2 to 8 parts of antimony oxide, 10 to 15 parts of nano carbonic acid, 0.1 to 1.0 part of a coupling agentKH-550, 0.1 to 1.0 part of an antioxidant 1010, 0.1 to 1.0 part of zinc stearate and 0.1 to 1.0 part of barium stearate. The flame-retardant trenchless modified polypropylene plastic cable conduit hasrelatively strong flame retardancy, also has relatively strong impression and rigidity, can improve the impact resistance of the cable conduit, is more beneficial to processing, and can prolong the service life of the flame-retardant trenchless modified polypropylene plastic cable conduit.

Description

technical field [0001] The invention relates to the technical field of polypropylene plastics, in particular to a flame-retardant non-excavation modified polypropylene plastic cable guide. Background technique [0002] Polypropylene PP resin has good processability, toughness, chemical resistance, light weight and low price, so it has a wide range of applications, and it is also especially suitable for cable material conduits; however, due to the compressive properties of polypropylene PP resin, The impact resistance is poor, and polypropylene PP resin is a flammable material with an oxygen index of 18.0%. When the oxygen index is between 20% and 27%, the material will self-extinguish when it burns. When the oxygen index is greater than 27%, the material will It will be difficult to burn, so polypropylene (PP) resin is blended with appropriate flame-retardant materials to increase its oxygen index, so as to achieve flame-retardant purposes. For this reason, we propose a modi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08K13/02C08K5/06C08K3/22C08K3/26C08K5/544C08K5/134C08K5/098
CPCC08K13/02C08K5/06C08K3/2279C08K3/26C08K5/544C08K5/1345C08K5/098C08L2203/18C08K2201/014C08K2201/011C08K2003/265C08L2201/02C08L2201/08C08L2203/202C08L23/12
Inventor 殷震宇盛明荣孙丽华丁保晨
Owner JIANGSU NOBEL PLASTICS CO LTD
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