Flame-retardant rubber cable material made from phosphorus-nitrogen expansion type flame retardant without halogen and preparation method thereof

A technology of flame-retardant rubber and nitrogen expansion, which is applied in cable/conductor manufacturing, rubber insulators, circuits, etc. It can solve the problems of cold resistance decline, poor low-temperature flexibility, and poor compatibility, and achieve good low-temperature flexibility and compatibility. , the effect of excellent flame retardant performance

Inactive Publication Date: 2013-07-10
GUILIN UNIV OF ELECTRONIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of poor compatibility and easy migration of phosphorus-nitrogen intumescent flame retardants in polyolefin cable materials, resulting in poor mechanical properties, poor low temperature flexibility, and decreased cold resistance, and to provide a rapidly vulcanized halogen-free flame retardant. Phosphorus-nitrogen intumescent flame retardant flame retardant rubber cable compound, which can significantly improve the comprehensive performance of halogen-free flame retardant cable compound

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 1) A halogen-free phosphorus-nitrogen intumescent flame retardant flame-retardant rubber cable material, composed of the following parts by weight:

[0027] 40 parts of tobacco sheet glue;

[0028] 60 parts of styrene butadiene rubber;

[0029] 100 copies of IFR;

[0030] 10 parts of white carbon black;

[0031] 2 parts of zinc dimethyl dithiocarbamate;

[0032] 1.5 parts of sulfur;

[0033] 5 parts of zinc oxide;

[0034] 3 parts of stearic acid;

[0035] Antioxidant 1010 1.5 parts;

[0036] The raw material composition of IFR in parts by weight is:

[0037] 20 parts of pentaerythritol;

[0038] 20 parts of melamine;

[0039] 60 parts of ammonium polyphosphate;

[0040] 1.5 parts of vinyl triethoxy silane;

[0041] 2) Mixing process of halogen-free phosphorus-nitrogen intumescent flame retardant flame retardant rubber cable material

[0042] (1) IFR composite process is as follows:

[0043] Add pentaerythritol, melamine, ammonium polyphosphate and vinyl triethoxy silan...

Embodiment 2

[0052] 1) A halogen-free phosphorus-nitrogen intumescent flame retardant flame-retardant rubber cable material, composed of the following parts by weight:

[0053] 35 parts of crepe glue;

[0054] 65 parts of styrene butadiene rubber;

[0055] 100 copies of IFR;

[0056] 10 parts of white carbon black;

[0057] 2 parts of zinc dimethyl dithiocarbamate;

[0058] 1.5 parts of sulfur;

[0059] 5 parts of zinc oxide;

[0060] 2 parts of stearic acid;

[0061] Antioxidant 1010 1.5 parts;

[0062] The raw material composition of IFR is as follows:

[0063] 20 parts of pentaerythritol phosphate;

[0064] 20 parts of melamine phosphate;

[0065] 60 parts of ammonium polyphosphate;

[0066] 1.5 parts of γ-aminopropyltriethoxysilane;

[0067] 2) Mixing process of halogen-free phosphorus-nitrogen intumescent flame retardant flame retardant rubber cable material

[0068] (1) IFR composite process is as follows:

[0069] Add pentaerythritol phosphate, melamine phosphate, ammonium polyphosphate and...

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Abstract

The invention discloses a flame-retardant rubber cable material made from a phosphorus-nitrogen expansion type flame retardant without halogen. The rubber cable material comprises the following raw materials in parts by weight: 25-60 parts of natural rubber, 40-75 parts of butadiene-styrene rubber, 70-120 parts of IFR, 5-10 parts of white carbon black, 1-2 parts of ziram, 1-5 parts of vulcanizing agent, 6-8 parts of zinc oxide, 1-3 parts of stearic acids and 1-2 parts of antioxidants. The rubber cable material disclosed by invention has the beneficial effects that the cable material is easy to process, the extruded process is good; the compatibility of the basal body of the obtained flame-retardant rubber cable material made from the phosphorus-nitrogen expansion type flame retardant without halogen and compounding agents such as flame retardant is good, and no compounding agent transport exists; the products have excellent flame retardant property, good mechanical property and good low-temperature flexibility.

Description

Technical field [0001] The invention relates to a cable material and a preparation method thereof, in particular to a halogen-free phosphorus-nitrogen intumescent flame retardant rubber cable material and a preparation method thereof. Background technique [0002] At present, halogen-free flame retardant cable materials are usually made of polyolefin plastics with halogen-free flame retardants (such as red phosphorus, aluminum hydroxide, magnesium hydroxide, ammonium polyphosphate, etc.) and other additives. The limiting oxygen index is greater than 30) is not very ideal, and cannot meet the more stringent flame retardant requirements. [0003] Phosphorus-nitrogen intumescent flame retardant (IFR) has good flame retardancy and safety, meets the requirements of health and environmental protection, and is an ideal choice for halogen-free flame retardants. At present, the compatibility and water sensitivity of phosphorus-nitrogen intumescent flame retardants in polyolefin or polystyr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/06C08L7/00C08K13/06C08K9/06C08K7/22C08K7/24C08K5/053C08K5/521C08K5/3492C08K3/32C08K3/36C08K5/39C08K3/22C08K5/09H01B3/28H01B13/24
Inventor 戴培邦马传国王亚珍何玉汝卢悦群
Owner GUILIN UNIV OF ELECTRONIC TECH
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