Conductive low-smoke zero-halogen flame retarding and oil resisting cable sheath material and preparation method thereof

A cable sheathing material and oil-resistant technology, which is applied to conductive materials, insulated cables, cables and other directions dispersed in non-conductive inorganic materials, can solve the problems of no results and related reports on cable sheathing materials, and achieve improvement. Processing performance, low plasticizing temperature, and the effect of preventing droplets

Active Publication Date: 2011-01-12
中广核三角洲(江苏)塑化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, there are no results and related reports on cable sheathing materials with conductive shielding, low smoke, halogen-free, flame retardant and oil resistance.

Method used

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  • Conductive low-smoke zero-halogen flame retarding and oil resisting cable sheath material and preparation method thereof
  • Conductive low-smoke zero-halogen flame retarding and oil resisting cable sheath material and preparation method thereof
  • Conductive low-smoke zero-halogen flame retarding and oil resisting cable sheath material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1～7

[0037] Examples 1-7: A conductive low-smoke, halogen-free, flame-retardant and oil-resistant cable sheathing material

[0038] One, raw material formula: the specific proportioning of embodiment 1~7 is shown in table 1.

[0039] 2. Preparation method, prepare materials according to the ratio in Table 1, accurately weigh, put the raw materials except vulcanizing agent and auxiliary vulcanizing agent into the internal mixer for mixing, and the principle of feeding is to let the materials mix evenly, so it can be Feeding in batches, such as: raw rubber, half of the carbon black, half of the flame retardant, and then small additives, and then cover the remaining carbon black and flame retardant. Let the main engine rotate for 30 seconds without pressing the top bolt, so that the materials can be stirred and mixed automatically. After kneading, add vulcanizing agent and co-vulcanizing agent and mix again, turn it over and over again until no liquid vulcanizing agent can be seen. ...

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Abstract

The invention relates to a conductive screening material, in particular to a conductive low-smoke zero-halogen flame retarding and oil resisting cable sheath material and a preparation method thereof. The conductive screening material comprises the following basic components: 100 parts of ethylene-vinyl acetate rubber, 50-100 parts of magnesium hydroxide, 50-80 parts of conductive black, 10-30 parts of graphite powder, 5-10 parts of zinc borate, 10-25 parts of plasticizer, 2-5 parts of lubricant, 1-2 parts of antiager, 10-30 parts of flame retarding synergist, 2-3 parts of vulcanizer and 1-2 parts of vulcanization assistant. The preparation method comprises the four steps of material preparation, mixing, extrusion and tabletting. The conductive low-smoke zero-halogen flame retarding and oil resisting cable sheath material has the advantages of high conductivity, good oil resistivity, excellent flame retarding effect, no peculiar smell, easy stripping and high heat resistance level, and can pass the environment protection authentication of RoHS (Restriction of the use of certain Hazardous Substances Registration), REACH (Evaluation, Authorization and Restriction of Chemicals) and the like.

Description

technical field [0001] The invention relates to a material and method for making a cable sheath, in particular to a conductive low-smoke, halogen-free, flame-retardant and oil-resistant cable sheath material and a preparation method thereof. Background technique [0002] Medium and low voltage rubber-sheathed cables (rubber-sheathed cables generally consist of multi-strand thin copper wires as conductors, and are outsourced with rubber insulation and rubber sheaths, a soft and movable cable variety), such as household appliances, marine cables, mining cables, etc. Due to the reason of the place of use, in order to ensure the safe evacuation of personnel and the non-flammability or spread expansion in the event of a fire or other accident, the material is required to have extremely high flame retardancy, and the smoke emission and toxicity index of the material are required to be small , must require the cable to be halogen-free and low-smoke. [0003] Special cables, such a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L31/04C08K13/02C08K3/22C08K3/04C08K3/38C08K5/523C08K3/34C08K5/14B29B9/06H01B1/24H01B7/295
Inventor 唐伟
Owner 中广核三角洲(江苏)塑化有限公司
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