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Anti-impact MPP (molypermalloy powder core) electric protection tube

A technology for power protection and impact resistance, which is applied in the field of impact-resistant MPP power protection tubes, can solve problems such as difficulty in fluidity and mechanical properties, high flexibility of PP molecular chains, and high elasticity of melt extrusion, so as to improve rigidity, The effect of increasing the number of spherulites and improving the degree of crystallization

Inactive Publication Date: 2014-10-08
安徽宁国市高新管业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As a thermoplastic resin with excellent comprehensive properties, polypropylene (PP) has the advantages of abundant raw material sources, good mechanical properties, low density, and good chemical stability. It is widely used in the plastics and fiber industries. However, due to the flexibility of the PP molecular chain Large, high melt extrusion elasticity, polypropylene has the disadvantage of low impact strength, especially low temperature impact strength, and it is usually difficult to achieve both fluidity and mechanical properties, which limits the application of PP to a certain extent

Method used

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  • Anti-impact MPP (molypermalloy powder core) electric protection tube
  • Anti-impact MPP (molypermalloy powder core) electric protection tube
  • Anti-impact MPP (molypermalloy powder core) electric protection tube

Examples

Experimental program
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Effect test

Embodiment 1

[0031] The impact-resistant MPP power protection pipe of the present invention has a raw material composition as shown in Example 1 in Table 1, wherein the modified hectorite is prepared according to the following process: 100 parts of hectorite are dispersed in 400ml of distilled water , to obtain a hectorite dispersion; dissolve 4 parts of octadecyldimethylbenzyl ammonium chloride in 78ml of distilled water to obtain a modifier solution; adjust the pH of the hectorite dispersion to 8, and heat it to 68°C Add the modifier solution and keep stirring for 4 hours, then filter, wash and dry to obtain the modified hectorite;

[0032] The novel organic montmorillonite was prepared according to the following process: add 200ml of distilled water into a three-neck flask, add 10 parts of sodium-based montmorillonite, heat to 70°C, add dropwise an aqueous solution containing 16 parts of CTAB, and keep stirring for 3 hours. After drying, grinding, and sieving, the modified organomontmor...

Embodiment 2

[0036] The impact-resistant MPP power protection pipe of the present invention has a raw material composition as shown in Example 2 in Table 1, wherein the modified hectorite is prepared according to the following process: disperse 80 parts of hectorite in 405ml of distilled water , to obtain a hectorite dispersion; dissolve 4.3 parts of cetyltrimethylammonium bromide in 50ml of distilled water to obtain a modifier solution; adjust the pH of the hectorite dispersion to 7, and add the modifier after heating to 69°C The neutralizing agent solution was incubated and stirred for 4.6h, then filtered, washed, and dried to obtain the modified hectorite;

[0037] The novel organic montmorillonite was prepared according to the following process: add 10 parts of sodium-based montmorillonite to a three-neck flask after adding 100 ml of distilled water, add 10 parts of CTAB aqueous solution dropwise after heating to 90° C., and keep stirring for 2 hours. After drying, grinding, and sievin...

Embodiment 3

[0043] The impact-resistant MPP power protection pipe of the present invention has a raw material composition as shown in Example 3 in Table 1, wherein the modified hectorite is prepared according to the following process: 85 parts of hectorite are dispersed in 500ml of distilled water , to obtain a hectorite dispersion; 5 parts of dodecyltrimethylammonium bromide and 5 parts of hexadecyltrimethylammonium bromide are dissolved in 100ml distilled water to obtain a modifier solution; adjust hectorite The pH of the dispersion is 8, heated to 80°C, adding a modifier solution and stirring for 8 hours, then filtering, washing, and drying to obtain the modified hectorite;

[0044] The new organic montmorillonite was prepared according to the following process: add 185 ml of distilled water into a three-necked flask, add 18 parts of sodium montmorillonite, heat to 72 °C, add dropwise an aqueous solution containing 20 parts of CTAB, and keep stirring for 2.3 hours , obtained modified o...

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Abstract

The invention discloses an anti-impact MPP (molypermalloy powder core) electric protection tube. The anti-impact MPP electric protection tube is prepared from the following raw materials in parts by weight: 90-110 parts of polypropylene, 5-15 parts of ethylene-propylene-diene monomer, 10-25 parts of talcum powder, 3-10 parts of brucite powder, 5-12 parts of modified micro silicon powder, 0.8-2 parts of colouring agent, 5-15 parts of nano mica, 0.5-2 parts of antioxidant, 0.5-2 parts of polytetrafluoroethylene, 10-25 parts of modified shell powder, 5-15 parts of modified hectorite, 5-25 parts of novel organic montmorillonite, 5-18 parts of melamine cyanurate, 10-25 parts of modified crystal whisker, 15-30 parts of long glass fiber, 3-8 parts of expandable graphite and 5-20 parts of intumescent flame retardants. The anti-impact MPP electric protection tube has excellent impact resistance, flame retardance, ageing resistance, cold resistance and heat resistance.

Description

technical field [0001] The invention relates to the technical field of power protection tubes, in particular to an impact-resistant MPP power protection tube. Background technique [0002] As a thermoplastic resin with excellent comprehensive properties, polypropylene (PP) has the advantages of abundant raw material sources, good mechanical properties, low density, and good chemical stability. It is widely used in the plastics and fiber industries. However, due to the flexibility of the PP molecular chain Large, high melt extrusion elasticity, polypropylene has the disadvantage of low impact strength, especially low temperature impact strength, and it is usually difficult to achieve both fluidity and mechanical properties, which limits the application of PP to a certain extent. In order to improve the performance of polypropylene and expand its application range, a lot of research has been done on modified PP at home and abroad. [0003] The power protection tube is an impo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/16C08L27/18C08K13/06C08K9/06C08K9/04C08K3/36C08K3/26C08K3/34C08K7/14C08K3/04C08K7/08C08K3/22B29C35/02
CPCC08L23/12B29C35/02C08K2201/003C08K2201/011C08K2201/014C08L2201/02C08L2201/08C08L2203/18C08L2205/03C08L23/16C08L27/18C08K13/06C08K9/06C08K9/04C08K9/08C08K3/34C08K3/346C08K7/08C08K3/36C08K7/14C08K7/24
Inventor 金立胜
Owner 安徽宁国市高新管业有限公司
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