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Cable and preparation method thereof

A technology of cable and oxidation pick, which is applied in the direction of cable/conductor manufacturing, insulating cables, conductor/cable insulation, etc. It can solve problems such as poor heat resistance, poor chemical resistance, and unsatisfactory insulation

Inactive Publication Date: 2017-08-11
HEFEI PULFI WIRE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing cable insulation layer generally has problems such as poor heat resistance, unsatisfactory insulation, unsatisfactory mechanical properties, and poor chemical resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] This embodiment provides a cable, which includes a metal core and an insulating layer.

[0036] PVC is 55 parts, LDPE is 17 parts, accelerator is 17 parts, Al 2 O 3 For 5 servings, La 2 O 3 It is 17 parts, oxidizing pick is 4 parts, stearic acid is 17 parts, talc is 11 parts, and crosslinking agent is 13 parts.

[0037] The LDPE melt index is 6g / 10min, and the density is 0.918g / cm 3 .

[0038] The Al 2 O 3 The particle size is selected from 110 nm.

[0039] The La 2 O 3 The particle size is selected from 330nm.

[0040] The particle size of the oxide pick is selected from 100 nm.

[0041] The cable manufacturing method described in this embodiment is characterized in that the method includes the following steps:

[0042] (1) Mix the formula amount of PVC and LDPE evenly, and the described banbury condition is 140°C for 3 minutes;

[0043] (2) Then add the formula amount of accelerator, Al 2 O 3 , La 2 O 3 , Oxidizing pickaxe, stearic acid, talc and cross-linking agent are banned uni...

Embodiment 2

[0048] This embodiment provides a cable, which includes a metal core and an insulating layer.

[0049] PVC is 35 parts, LDPE is 26 parts, accelerator is 4 parts, Al 2 O 3 11 servings, La 2 O 3 It is 11 parts, oxidizing pick is 19 parts, stearic acid is 12 parts, talc is 19 parts, and crosslinking agent is 5 parts.

[0050] The LDPE melt index is 3g / 10min, and the density is 0.918g / cm 3 .

[0051] The Al 2 O 3 The particle size is selected from 230 nm.

[0052] The La 2 O 3 The particle size is selected from 100 nm.

[0053] The particle size of the oxide pick is selected from 210 nm.

[0054] The cable manufacturing method described in this embodiment is characterized in that the method includes the following steps:

[0055] (1) Mix the formula amount of PVC and LDPE uniformly, and the described banbury condition is 120 ℃ banbury for 5 minutes;

[0056] (2) Then add the formula amount of accelerator, Al 2 O 3 , La 2 O 3 , Oxidizing pickaxe, stearic acid, talcum powder and crosslinking agen...

Embodiment 3

[0061] This embodiment provides a cable, which includes a metal core and an insulating layer.

[0062] PVC is 53 parts, LDPE is 18 parts, accelerator is 15 parts, Al 2 O 3 For 8 servings, La 2 O 3 It is 16 parts, oxidizing pick is 6 parts, stearic acid is 15 parts, talc is 12 parts, and crosslinking agent is 12 parts.

[0063] The LDPE melt index is 5g / 10min, and the density is 0.918g / cm 3 .

[0064] The Al 2 O 3 The particle size is selected from 200 nm.

[0065] The La 2 O 3 The particle size is selected from 200 nm.

[0066] The particle size of the oxide pick is selected from 200 nm.

[0067] The cable manufacturing method described in this embodiment is characterized in that the method includes the following steps:

[0068] (1) Mix the formula amount of PVC and LDPE evenly, and the banbury condition is 130°C for 4 minutes;

[0069] (2) Then add the formula amount of accelerator, Al 2 O 3 , La 2 O 3 , Oxidizing pickaxe, stearic acid, talcum powder and crosslinking agent are mixed evenl...

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Abstract

The invention belongs to the technical field of a cable and provides the cable and a preparation method thereof. The cable comprises a metal core and an insulation layer, wherein the insulation layer comprises components of PVC 35-55 parts, LDPE 17-26 parts, promoter 4-17 parts, Al2O3 5-11 parts, La2O3 11-17 parts, zirconium oxide 4-19 parts, stearic acid 12-17 parts, powdered steatile 11-19 parts and cross-linking agent 5-13 parts by weight. The cable has is excellent in performance and has good hear resistance, good insulation property, good machining property and chemical-resistant property.

Description

Technical field [0001] The invention belongs to the technical field of cables, and specifically relates to a cable and a preparation method. Background technique [0002] Wires and cables are used to transmit electrical energy, information, and realize the conversion of electromagnetic energy. Wires and cables in a broad sense are also referred to as cables for short. Cables in a narrow sense refer to insulated cables, which can be defined as: a collection of the following parts; one or Multiple insulated cores, as well as their respective possible coating, total protective layer and outer protective layer, the cable can also have additional conductors without insulation. Wire products used to transmit electric energy, information and realize electromagnetic energy conversion. [0003] Wires and cables in a broad sense are also called cables for short, and cables in a narrow sense refer to insulated cables. It can be defined as a collection of the following parts: one or more ins...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/02H01B3/44H01B13/14C08L27/06C08L23/06C08K13/02C08K3/22C08K5/09C08K3/34
CPCH01B7/02C08K2003/221C08K2003/2227C08K2201/003C08L27/06C08L2201/08C08L2203/202C08L2207/066H01B3/443H01B13/148C08L23/06C08K13/02C08K3/22C08K5/09C08K3/34
Inventor 刘勇
Owner HEFEI PULFI WIRE TECH CO LTD