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Nylon sheath material for wires and cables and preparation method thereof

A nylon sheath material, wire and cable technology, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of restricting the expansion and application of wire and cable fields, increasing the production burden of factories, and difficult high-speed production, etc., to achieve excellent chemical corrosion resistance capacity, increased production burden, and low production cost

Active Publication Date: 2017-03-29
SHANGHAI KAIBO SPECIAL CABLE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, the high viscosity of nylon cable material itself makes it difficult to produce at a high speed due to the small amount of glue produced during the extrusion process and the excessive current, which increases production costs and causes unnecessary losses. production burden, thus limiting its further expansion and application in the field of wire and cable

Method used

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  • Nylon sheath material for wires and cables and preparation method thereof
  • Nylon sheath material for wires and cables and preparation method thereof
  • Nylon sheath material for wires and cables and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] In the cable material formula, the name of each component and the proportion of each component by weight are as follows:

[0042]

[0043] Components Select the raw materials for each component according to the stated ratio, fully mix the accurately weighed resin and additives in a high-speed mixer at a speed of 100-1500 rpm, and the mixing temperature of the high-speed mixer is 25-75°C. The mixing time is 5-20min. Extrude and granulate in a feed extrusion granulation mixing type twin-screw extrusion granulator, the extrusion temperature of the twin-screw extruder is 220-280 ° C, the temperature setting of the twin-screw extruder It is: feeding section 220-240°C, mixing section 230-250°C, extrusion granulation section 240-270°C, head part 255-280°C. Drying after granulation, the drying temperature is 60-95° C., and the drying time is 1-3 hours, and the pellets for cables are obtained. The composition and weight ratio of the raw material components are shown in Tabl...

Embodiment 2

[0045] In the cable material formula, the name of each component and the proportion of each component by weight are as follows:

[0046]

[0047] Components Select the raw materials for each component according to the stated ratio, fully mix the accurately weighed resin and additives in a high-speed mixer at a speed of 500-1000rpm, the mixing temperature of the high-speed mixer is 50°C, and the mixing time 15min. Extrude and granulate in a feeding extrusion granulation mixing type twin-screw extrusion granulator, the extrusion temperature of the twin-screw extruder is 230-270 ° C, the temperature setting of the twin-screw extruder It is: 230°C in the feeding section, 240°C in the mixing section, 260°C in the extrusion granulation section, and 270°C in the head part. Drying after granulation, the drying temperature is 80° C., and the drying time is 2 hours, to obtain granules for cables. The composition and weight ratio of the raw material components are shown in Table 1. ...

Embodiment 3

[0049]In the cable material formula, the name of each component and the proportion of each component by weight are as follows:

[0050]

[0051]

[0052] Processes such as mixing and extrusion granulation are the same as in Example 1. The composition and weight ratio of the raw material components are shown in Table 1.

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Abstract

The invention provides a nylon sheath material for wires and cables. The nylon sheath material comprises the following components in parts by weight: 100 parts of nylon resin, 10-50 parts of a modifier, 0.6-2 parts of a lubricant, and 1.2-2.0 parts of an anti-oxidant. The invention further provides a preparation method of the nylon sheath material for wires and cables. The nylon sheath material for wires and cables has good toughness and abrasion resistance, especially the material has good hardness and excellent chemical attack resistance, so that the material can be applied to building lines and sheathes of wires and cables with requirements for preventing termites and mice, and can be used for expanding application ranges of the nylon cable material on the market.

Description

technical field [0001] The invention belongs to the technical field of cable materials, and relates to a sheathing material for electric wires and cables and a preparation method thereof, in particular to a nylon sheathing material for electric wires and cables and a preparation method thereof. Background technique [0002] As a supporting industry of the power industry, one of the pillar industries of the national economy, the wire and cable industry plays an extremely important role and position in the national economy. Among them, nylon cable material has high hardness, good mechanical properties, and very good resistance to chemical corrosion, especially gasoline, oil and other hydrocarbons, excellent wear resistance, good processability, and excellent electrical resistance. Outstanding performance characteristics such as insulation performance have a very wide range of applications in the field of wire and cable. Nylon cable material is one of the indispensable and imp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/00C08L23/06C08L23/12C08L23/08C08L101/00C08K5/134C08K5/372C08K5/098H01B7/17H01B3/30B29C47/92B29C48/92
CPCB29C48/92B29C2948/92704C08L77/00C08L2203/202C08L2205/03C08L2205/035C08L2207/04C08L2207/064H01B3/305H01B7/17C08L23/0853C08L23/06C08K5/1345C08K5/372C08K5/098C08L23/0815C08L101/00
Inventor 李恒王德才
Owner SHANGHAI KAIBO SPECIAL CABLE FACTORY
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