CN114736463A - High-temperature-resistant material for fire-fighting wiring harness - Google Patents

High-temperature-resistant material for fire-fighting wiring harness Download PDF

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Publication number
CN114736463A
CN114736463A CN202210268393.9A CN202210268393A CN114736463A CN 114736463 A CN114736463 A CN 114736463A CN 202210268393 A CN202210268393 A CN 202210268393A CN 114736463 A CN114736463 A CN 114736463A
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Prior art keywords
parts
present
resistant material
copolymer
amount
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Pending
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CN202210268393.9A
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Chinese (zh)
Inventor
叶泽杰
林志祥
许包石
林家良
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Shaoxing Yiye Electronics Co ltd
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Shaoxing Yiye Electronics Co ltd
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Priority to CN202210268393.9A priority Critical patent/CN114736463A/en
Publication of CN114736463A publication Critical patent/CN114736463A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2296Oxides; Hydroxides of metals of zinc
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/22Halogen free composition

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention discloses a high-temperature resistant material for fire-fighting wire harnesses, which is prepared from EP21 rubber particles, zinc oxide, stearic acid, FEF carbon black, calcined argil, calcium carbonate, paraffin processing oil, fatty acid, an antioxidant, a copolymer, peroxide, sulfur and an organic phosphorus flame retardant.

Description

High-temperature-resistant material for fire-fighting wiring harness
Technical Field
The invention relates to the field of high-temperature-resistant materials, in particular to a high-temperature-resistant material for a fire-fighting wiring harness.
Background
Rubber (Rubber) is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed. The rubber is divided into natural rubber and synthetic rubber. The natural rubber is prepared by extracting colloid from plants such as rubber tree and rubber grass and processing; synthetic rubbers are obtained by polymerization of various monomers.
At present, the EPDM rubber needs to be added with a halogen-containing flame retardant to achieve the flame retardant rating of 0.5mm, UL94V0, the halogen-containing flame retardant is not environment-friendly, and the following solution is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant material for fire-fighting wiring harnesses, and solves the problem that the traditional fire-resistant material is not environment-friendly enough due to the addition of a halogen-containing flame retardant.
The technical purpose of the invention is realized by the following technical scheme:
the high-temperature-resistant material for the fire-fighting wire harness is prepared from EP21 rubber particles, zinc oxide, stearic acid, FEF carbon black, calcined argil, calcium carbonate, paraffin processing oil, fatty acid, an antioxidant, a copolymer, peroxide, sulfur and an organic phosphorus flame retardant, wherein the proportion by weight of the EP21 rubber particles is 90-105 parts, the zinc oxide is 5-9 parts, the stearic acid is 3-4 parts, the FEF carbon black is 5-6 parts, the calcined argil is 60-75 parts, the calcium carbonate is 50-60 parts, the paraffin processing oil is 10-20 parts, the fatty acid is 1-4 parts, the antioxidant is 1-4 parts, the copolymer is 2-5 parts, the peroxide is 6-10 parts, the sulfur is 1-3 parts, and the organic phosphorus flame retardant is 10-15 parts.
Preferably, the calcium carbonate is surface-treated calcium carbonate.
Preferably, the antioxidant is TMDQ, a rubber antioxidant.
Preferably, the copolymer is a copolymer of polyethylene glycol and dimethacrylate.
Preferably, the EP21 rubber particle is 90 parts by weight, the zinc oxide is 5 parts by weight, the stearic acid is 3 parts by weight, the FEF carbon black is 5 parts by weight, the calcined clay is 60 parts by weight, the calcium carbonate is 50 parts by weight, the paraffin processing oil is 10 parts by weight, the fatty acid is 1 part by weight, the antioxidant is 1 part by weight, the copolymer is 2 parts by weight, the peroxide is 6 parts by weight, the sulfur is 1 part by weight, and the organophosphorus flame retardant is 10 parts by weight.
Preferably, the EP21 rubber particle weight ratio is 105 parts, the zinc oxide is 9 parts, the stearic acid is 4 parts, the FEF carbon black is 6 parts, the calcined clay is 75 parts, the calcium carbonate is 60 parts, the paraffin processing oil is 20 parts, the fatty acid is 4 parts, the antioxidant is 4 parts, the copolymer is 5 parts, the peroxide is 10 parts, the sulfur is 3 parts, and the organophosphorus flame retardant is 15 parts.
Preferably, the EP21 rubber particle is 100 parts by weight, the zinc oxide is 7 parts by weight, the stearic acid is 3.5 parts by weight, the FEF carbon black is 5 parts by weight, the calcined kaolin is 70 parts by weight, the calcium carbonate is 50 parts by weight, the paraffin processing oil is 15 parts by weight, the fatty acid is 2 parts by weight, the antioxidant is 2 parts by weight, the copolymer is 4 parts by weight, the peroxide is 9 parts by weight, the sulfur is 2.5 parts by weight, and the organic phosphorus flame retardant is 15 parts by weight.
Preferably, the EP21 rubber particle is 100 parts by weight, the zinc oxide is 8 parts by weight, the stearic acid is 3.5 parts by weight, the FEF carbon black is 5.5 parts by weight, the calcined clay is 65 parts by weight, the calcium carbonate is 55 parts by weight, the paraffin processing oil is 15 parts by weight, the fatty acid is 1.5 parts by weight, the antioxidant is 3 parts by weight, the copolymer is 2.5 parts by weight, the peroxide is 8 parts by weight, the sulfur is 2 parts by weight, and the organophosphorus flame retardant is 13 parts by weight.
Has the advantages that: the organic phosphorus flame retardant is adopted to replace the traditional halogen flame retardant, so that the pollution of the halogen flame retardant to the environment can be effectively avoided, the flame retardant mechanism of the organic phosphorus flame retardant is that phosphoric acid is formed to be used as a dehydrating agent and to promote carbon formation, the heat conduction from flame to a condensed phase is reduced due to the generation of carbon, the phosphoric acid can absorb heat, the oxidation of CO into CO2 is prevented, the heating process is reduced, a thin glass-shaped or liquid-shaped protective layer is formed on the condensed phase, the heat and mass transfer between oxygen diffusion and a gas phase and a solid phase is reduced, and the carbon oxidation process is inhibited.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
Example 1
The high-temperature-resistant material for the fire-fighting wire harness is prepared from EP21 rubber particles, zinc oxide, stearic acid, FEF carbon black, calcined argil, surface-treated calcium carbonate, paraffin processing oil, fatty acid, a rubber antioxidant TMDQ, a copolymer of polyethylene glycol and diisobutyric acid, peroxide, sulfur and an organic phosphorus flame retardant, wherein the proportion by weight of the EP21 rubber particles is 90 parts, the zinc oxide is 5 parts, the stearic acid is 3 parts, the FEF carbon black is 5 parts, the calcined argil is 60 parts, the surface-treated calcium carbonate is 50 parts, the paraffin processing oil is 10 parts, the fatty acid is 1 part, the rubber antioxidant TMDQ is 1 part, the copolymer of polyethylene glycol and diisobutyric acid is 2 parts, the peroxide is 6 parts, the sulfur is 1 part, and the organic phosphorus flame retardant is 10 parts.
Example 2
The high-temperature-resistant material for the fire-fighting wire harness is prepared from EP21 rubber particles, zinc oxide, stearic acid, FEF carbon black, calcined argil, surface-treated calcium carbonate, paraffin processing oil, fatty acid, a rubber antioxidant TMDQ, a copolymer of polyethylene glycol and diisobutyric acid, peroxide, sulfur and an organic phosphorus flame retardant, wherein the proportion by weight of the EP21 rubber particles is 105 parts, the zinc oxide is 9 parts, the stearic acid is 4 parts, the FEF carbon black is 6 parts, the calcined argil is 75 parts, the surface-treated calcium carbonate is 60 parts, the paraffin processing oil is 20 parts, the fatty acid is 4 parts, the rubber antioxidant TMDQ is 4 parts, the copolymer of polyethylene glycol and diisobutyric acid is 5 parts, the peroxide is 10 parts, the sulfur is 3 parts, and the organic phosphorus flame retardant is 15 parts.
Example 3
The high-temperature-resistant material for the fire-fighting wire harness is prepared from EP21 rubber particles, zinc oxide, stearic acid, FEF carbon black, calcined argil, surface-treated calcium carbonate, paraffin processing oil, fatty acid, a rubber antioxidant TMDQ, a copolymer of polyethylene glycol and diisobutyric acid, peroxide, sulfur and an organic phosphorus flame retardant, wherein the proportion by weight of the EP21 rubber particles is 100 parts, the zinc oxide is 7 parts, the stearic acid is 3.5 parts, the FEF carbon black is 5 parts, the calcined argil is 70 parts, the surface-treated calcium carbonate is 50 parts, the paraffin processing oil is 15 parts, the fatty acid is 2 parts, the rubber antioxidant TMDQ is 2 parts, the copolymer of polyethylene glycol and diisobutyric acid is 4 parts, the peroxide is 9 parts, the sulfur is 2.5 parts, and the organic phosphorus flame retardant is 15 parts.
Example 4
The high-temperature-resistant material for the fire-fighting wire harness is prepared from EP21 rubber particles, zinc oxide, stearic acid, FEF carbon black, calcined argil, surface-treated calcium carbonate, paraffin processing oil, fatty acid, a rubber antioxidant TMDQ, a copolymer of polyethylene glycol and diisobutyric acid, peroxide, sulfur and an organic phosphorus flame retardant, wherein the proportion by weight of the EP21 rubber particles is 100 parts, the zinc oxide is 8 parts, the stearic acid is 3.5 parts, the FEF carbon black is 5.5 parts, the calcined argil is 65 parts, the surface-treated calcium carbonate is 55 parts, the paraffin processing oil is 15 parts, the fatty acid is 1.5 parts, the rubber antioxidant TMDQ is 3 parts, the copolymer of polyethylene glycol and diisobutyric acid is 2.5 parts, the peroxide is 8 parts, the sulfur is 2 parts, and the organic phosphorus flame retardant is 13 parts.
Performance testing
Materials were fabricated according to the high temperature resistant material formulations of examples 1 to 4 above to examine the deformation resistance, cold and heat resistance, voltage resistance, flame retardancy, insulation and aging resistance of the materials.
Temperature: 22 ℃; relative humidity 55%
The first embodiment is as follows: 40 lbs. one minute, 5 replicates, and the outer skin had a crack; breaking the wire at minus 57-80 ℃ under 2H and 907N tensile force; 250V/1minAC, no breakdown phenomenon; the length of the wire rod is 230mm, the length of the scorching part is 80mm, the length of the scorching part is not more than 100mm, and the flame can not spread along the length direction of the wire rod; 250VDC, 10M Ω MIN; the wire length is shortened by 1.5cm at the temperature of 260 ℃/5 min;
example two: 40 pounds for one minute, repeat the test 5 times, the skin was good without damage; the wire rod is good at minus 57-80 ℃, 2H and 907N tensile force, and the appearance is not broken; 250V/1minAC, has more obvious scorching phenomenon; the length of the wire is 230mm, the length of the scorched part is 53mm, the length of the scorched part is not more than 100mm, and the flame can not spread along the length direction of the wire; 250VDC, 9M Ω MIN; the wire length is shortened by 1.0cm at the temperature of 260 ℃/5 min;
example three: 40 pounds for one minute, repeat the test 5 times, the skin was good without damage; the wire rod is good at minus 57-80 ℃, 2H and 907N tensile force, and the appearance is not broken; 250V/1minAC, no breakdown phenomenon; the length of the wire rod is 230mm, the length of the scorching part is 51mm, the length of the scorching part is not more than 100mm, and the flame can not spread along the length direction of the wire rod; 250VDC, 10M Ω MIN; the wire length is shortened by 0.9cm at the temperature of 260 ℃/5 min;
example four: 40 pounds for one minute, repeat the test 5 times, the skin was good without damage; the wire rod is good at minus 57-80 ℃, 2H and 907N tensile force, and the appearance is not broken; 250V/1minAC, no breakdown phenomenon; the length of the wire rod is 230mm, the length of the scorching part is 65mm, the length of the scorching part is not more than 100mm, and the flame can not spread along the length direction of the wire rod; 250VDC, 10M Ω MIN; the wire length is shortened by 1.2cm at the temperature of 260 ℃/5 min;
the third embodiment is a preferred implementation scheme of the present invention, and the cable processed by the third embodiment has good deformation resistance, cold and heat resistance, voltage resistance, flame retardance, insulation property and aging resistance.

Claims (8)

1. The high-temperature-resistant material for the fire-fighting wire harness is characterized by being prepared from EP21 rubber particles, zinc oxide, stearic acid, FEF carbon black, calcined argil, calcium carbonate, paraffin processing oil, fatty acid, an antioxidant, a copolymer, peroxide, sulfur and an organic phosphorus flame retardant, wherein the EP21 rubber particles are 90-105 parts in parts by weight, the zinc oxide is 5-9 parts, the stearic acid is 3-4 parts, the FEF carbon black is 5-6 parts, the calcined argil is 60-75 parts, the calcium carbonate is 50-60 parts, the paraffin processing oil is 10-20 parts, the fatty acid is 1-4 parts, the antioxidant is 1-4 parts, the copolymer is 2-5 parts, the peroxide is 6-10 parts, the sulfur is 1-3 parts, and the organic phosphorus flame retardant is 10-15 parts.
2. The high temperature resistant material for a fire fighting strand as set forth in claim 1, wherein said calcium carbonate is surface treated calcium carbonate.
3. The high temperature resistant material for fire fighting wiring harness as defined in claim 1, wherein the antioxidant is TMDQ.
4. The high temperature resistant material for fire fighting wiring harness as defined in claim 1, wherein the copolymer is a copolymer of polyethylene glycol and dimethacrylate.
5. The high temperature resistant material for fire fighting strand as set forth in claim 1, wherein said EP21 rubber particles are present in a ratio of 90 parts, said zinc oxide is present in 5 parts, said stearic acid is present in 3 parts, said FEF carbon black is present in 5 parts, said calcined clay is present in 60 parts, said calcium carbonate is present in 50 parts, said paraffin processing oil is present in 10 parts, said fatty acid is present in 1 part, said antioxidant is present in 1 part, said copolymer is present in 2 parts, said peroxide is present in 6 parts, said sulfur is present in 1 part, and said organophosphorus based flame retardant is present in 10 parts.
6. The high temperature resistant material for fire fighting strand as set forth in claim 1, wherein said EP21 rubber particles are present in a ratio of 105 parts, said zinc oxide is present in an amount of 9 parts, said stearic acid is present in an amount of 4 parts, said FEF carbon black is present in an amount of 6 parts, said calcined clay is present in an amount of 75 parts, said calcium carbonate is present in an amount of 60 parts, said paraffin processing oil is present in an amount of 20 parts, said fatty acid is present in an amount of 4 parts, said antioxidant is present in an amount of 4 parts, said copolymer is present in an amount of 5 parts, said peroxide is present in an amount of 10 parts, said sulfur is present in an amount of 3 parts, and said organophosphorus flame retardant is present in an amount of 15 parts.
7. The high temperature resistant material for fire fighting strand as set forth in claim 1, wherein said EP21 rubber particles are present in a ratio of 100 parts, said zinc oxide is present in 7 parts, said stearic acid is present in 3.5 parts, said FEF carbon black is present in 5 parts, said calcined clay is present in 70 parts, said calcium carbonate is present in 50 parts, said paraffin processing oil is present in 15 parts, said fatty acid is present in 2 parts, said antioxidant is present in 2 parts, said copolymer is present in 4 parts, said peroxide is present in 9 parts, said sulfur is present in 2.5 parts, and said organophosphorus based flame retardant is present in 15 parts.
8. The high temperature resistant material for fire fighting strand as set forth in claim 1, wherein said EP21 rubber particles are present in a ratio of 100 parts, said zinc oxide is present in 8 parts, said stearic acid is present in 3.5 parts, said FEF carbon black is present in 5.5 parts, said calcined clay is present in 65 parts, said calcium carbonate is present in 55 parts, said paraffin processing oil is present in 15 parts, said fatty acid is present in 1.5 parts, said antioxidant is present in 3 parts, said copolymer is present in 2.5 parts, said peroxide is present in 8 parts, said sulfur is present in 2 parts, and said organophosphorus based flame retardant is present in 13 parts.
CN202210268393.9A 2022-03-18 2022-03-18 High-temperature-resistant material for fire-fighting wiring harness Pending CN114736463A (en)

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CN202210268393.9A CN114736463A (en) 2022-03-18 2022-03-18 High-temperature-resistant material for fire-fighting wiring harness

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB952336A (en) * 1959-06-03 1964-03-18 Bayer Ag Compositions of ethylene copolymers and olefinically unsaturated rubbery polymers
CN1311270A (en) * 2000-03-02 2001-09-05 旭化成株式会社 Thermoplastic elastomer composition
CN101463166A (en) * 2009-01-05 2009-06-24 天津鹏翎胶管股份有限公司 Formula of environment protection type flame-retardant rubber pipe
CN109575454A (en) * 2018-12-20 2019-04-05 兴化市奔腾体育设施材料有限公司 A kind of environment-friendly type EPDM rubber color grains and the preparation method and application thereof
CN113717474A (en) * 2021-09-09 2021-11-30 东莞世纪创造绝缘有限公司 EPDM flame-retardant rubber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB952336A (en) * 1959-06-03 1964-03-18 Bayer Ag Compositions of ethylene copolymers and olefinically unsaturated rubbery polymers
CN1311270A (en) * 2000-03-02 2001-09-05 旭化成株式会社 Thermoplastic elastomer composition
CN101463166A (en) * 2009-01-05 2009-06-24 天津鹏翎胶管股份有限公司 Formula of environment protection type flame-retardant rubber pipe
CN109575454A (en) * 2018-12-20 2019-04-05 兴化市奔腾体育设施材料有限公司 A kind of environment-friendly type EPDM rubber color grains and the preparation method and application thereof
CN113717474A (en) * 2021-09-09 2021-11-30 东莞世纪创造绝缘有限公司 EPDM flame-retardant rubber

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