CN106832554A - Nano modification low-heat rate of release fireproofing cable material without halide and preparation method thereof - Google Patents

Nano modification low-heat rate of release fireproofing cable material without halide and preparation method thereof Download PDF

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CN106832554A
CN106832554A CN201710120186.8A CN201710120186A CN106832554A CN 106832554 A CN106832554 A CN 106832554A CN 201710120186 A CN201710120186 A CN 201710120186A CN 106832554 A CN106832554 A CN 106832554A
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parts
release
cable material
heat rate
halide
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CN106832554B (en
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廖小军
黄玉龙
苏忠兴
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Cnpec Delta (zhongshan) Polymer Co Ltd
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Cnpec Delta (zhongshan) Polymer Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/22—Halogen free composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A kind of nano modification low-heat rate of release fireproofing cable material without halide, it is characterised in that：Composition of raw materials includes the component of following parts by weight：10 ~ 15 parts of silane coupler highly effective flame-retardant master batches, 45 ~ 65 parts of ethylene vinyl acetate copolymers, 15 ~ 30 parts of LLDPEs, 10 ~ 15 parts of intoxicated grafts of maleic acid, 80 ~ 120 parts of aluminium hydroxides, 30 ~ 80 parts of magnesium-based nucleocapsid fire retardants, 1 ~ 10 part of carbon forming agent, 1 ~ 10 part of nanoclay.Into charcoal and suppression cigarette principle, the fire-retardant of material greatly improves fire-resistant cable material integrated use of the invention nanoclay, and its hot rate of release, the more common fireproofing cable material without halide of cigarette rate of release have substantially reduction.

Description

Nano modification low-heat rate of release fireproofing cable material without halide and preparation method thereof
Technical field
The present invention relates to fireproofing cable material without halide field, more particularly to a kind of low cigarette of nano modification low-heat rate of release Non-halogen flame-retardant cable and preparation method thereof.
Background technology
July 1 in 2013, Qi European Union enforced newest building products regulation（305/2011/EU-CPR）, new CPR methods Rule instruct compared to old CPD building productses（89/106/EEC-CPD）More strict, on cable fire performance, the instruction is main Hereinafter use two standards：EN 50575：2014《Electric power, control box communication cable will meet fire line during construction It is required that》With EN 13501-6：2014《The fire of building product and component is classified the 6th part：Tested using cable Reaction to fire The classification of data》.Wherein, EN 13501-6：2014 with regard to gross calorific value, propagation of flame, HRR, fire growth rate index It is classified Deng cable material burning quantizating index, totally 7 grades.Meanwhile, smoke-producing amount, burning to the main grading regulation in part The additional classification of dropping/particulate and acidity.The regulation will be enforced after 01 day December in 2016 of transitional period.
China also issued GB 31247-2014 in 2014《Cable and optical cable classification system for fire performance》, the canonical reference EN 50399 and EN 13501-6：2014, it is divided into 4 grades with reference to being actually needed for China's Building Fire Protection safety.Wherein, B1 Grade is equivalent to EN 13501-6：B2ca grades in 2014 standards.
As flourishing for Building Trade in China is gone abroad with cable industry and is gone to the world, over the past two years, various countries and group Knit and issued flame retardant rating cable standard higher, safer and specification in succession（Such as：CPR regulations and GB GB 31247- 2014）, requirement to cable material is by from traditional flame propagation and spreading the research of aspect of performance and being transferred to reality In, its actual service condition is directly simulated, from burning heat emission characteistics, produce cigarette characteristic, characteristics of flame and corrosion Property etc. aspect carry out the comprehensive combustibility for examining cable, optical cable.Undoubtedly, various new legislations and the implementation of standard, greatly reduce There is the probability of fire in cable, ensured the life and financial security of the people.Therefore, develop one kind meet CPR regulations or The fireproofing cable material without halide of the low-heat rate of release of GB 31247, the development for both having met fireproofing cable material without halide becomes Gesture, also beneficial to the fast-developing and level raising for promoting whole cable industry.At the same time it can also be China's cable product outlet Europe Alliance creates conditions.
The content of the invention
It is an object of the invention to provide a kind of nano modification low-heat rate of release fireproofing cable material without halide and its preparation Method, into charcoal and suppression cigarette principle, material fire-retardant greatly improves fire-resistant cable material integrated use nanoclay, and its heat Rate of release, the more common fireproofing cable material without halide of cigarette rate of release have substantially reduction.
To achieve the above object of the invention, the technical solution adopted by the present invention is：A kind of nano modification low-heat rate of release is low Cigarette non-halogen flame-retardant cable, it is characterised in that：Composition of raw materials includes the component of following parts by weight：
10 ~ 15 parts of silane coupler highly effective flame-retardant master batch,
45 ~ 65 parts of ethylene-vinyl acetate copolymer,
15 ~ 30 parts of LLDPE,
10 ~ 15 parts of the intoxicated graft of maleic acid,
80 ~ 120 parts of aluminium hydroxide,
30 ~ 80 parts of magnesium-based nucleocapsid fire retardant,
1 ~ 10 part of carbon forming agent,
1 ~ 10 part of nanoclay；
Wherein, the silane coupler highly effective flame-retardant master batch is by ethylene-vinyl acetate copolymer and silane coupler class Compound is 9 according to weight ratio:1, by melt blending, extrusion, cooling, pelletizing and obtain；
In the composition of raw materials, the melt index of the ethylene-vinyl acetate copolymer is 2 ~ 8g/10min, its acetic acid second Alkene ester（VA）Content accounts for the 10 ~ 40% of ethylene-vinyl acetate copolymer gross mass；
The LLDPE is metallocene linear-low density polyethylene（mLLDPE）, its melt index is 0.5 ~ 10g/ 10min；
The intoxicated graft of maleic acid is that LLDPE is grafted Malaysia acetic acid（LLDPE-g-MAH）Or ethyl vinyl acetate Vinyl ester copolymers are grafted Malaysia acetic acid（EVA-g-MAH）, the melt index of Malaysia acetic acid graft is 0.5 ~ 7g/10min；
The aluminium hydroxide is particle diameter for 1.5 ~ 3.0 μm, specific surface area are 4 ~ 7m2The particulate of/g；
It with particle diameter is 1.5 ~ 3.0 μm of magnesium hydroxide for " core " that the magnesium-based nucleocapsid fire retardant is, particle diameter is the nanometer of 1 ~ 100nm Firebrake ZB is the composite flame-retardant agent of " shell "；
The carbon forming agent is any one in iron oxide, ammonium molybdate, antimony oxide and zeolite；
The nanoclay is montmorillonite, sepiolite, attapulgite, kaolin, palygorskite and laminar dual hydroxy composite metal Any one in hydroxide.
Relevant content in above-mentioned technical proposal is explained as follows：
1st, in such scheme, the silane coupler class compound be silane coupling A -151, A-171, A-172, KH-550, Any one in KH-560, KH-570, S320, S330 and S210.
2nd, in such scheme, the nanoclay and carbon forming agent are calculated by weight, and both parts by weight sums are not More than 10 parts.
3rd, in such scheme, the composition of raw materials also dispersant including 1 ~ 3 weight portion, dispersant is produced for TUV Rhein dissipate A-16 or Rhein and dissipate A-25.
4th, in such scheme, the composition of raw materials also including 1 ~ 4 weight portion lubricant, lubricant be molecular weight be 60 ~ Any one in 1000000 supra polymer silicone master batch, PE waxes, EVA waxes and naphthenic rubber oil.
5th, in such scheme, the composition of raw materials also antioxidant including 1 ~ 3 weight portion, the antioxidant be with four [β-（3, 5- di-tert-butyl-hydroxy phenyls）Propionic acid] pentaerythritol ester is that primary antioxidant, the double lauryls of thio-2 acid are auxiliary antioxygen The compound antioxidant of agent, the compound proportion of the two is 1 by weight：1~2：1.
6th, in such scheme, ethylene-vinyl acetate copolymer used in the silane coupler highly effective flame-retardant master batch It is consistent with the component ethylene-vinyl acetate copolymer in composition of raw materials.
7th, in such scheme, magnesium hydroxide and the mass ratio of nano-zinc borate in the magnesium-based nucleocapsid fire retardant are 90： 10~60：40.
Further, the preparation method of the nano modification low-heat rate of release fireproofing cable material without halide includes successively Following steps：
（1）Prepare silane coupler highly effective flame-retardant master batch：By banbury temperature control at 50 ~ 90 DEG C, rotating speed is 10 ~ 50 revs/min, Ethylene-vinyl acetate copolymer is added in banbury, treats that its melting adds silane coupler class compound, melt blending 5 ~ 20 minutes, then extruded, cooling, pelletizing, silane coupler highly effective flame-retardant master batch is obtained, close in aluminium foil bag, it is vacuum-packed Preserve stand-by；
（2）Finished product material is produced：It is added in the banbury that temperature is 80 ~ 90 DEG C after weighing each raw material by formula, banburying 10 ~ 15 Temperature is entered after minute again to plastify extrusion in the double rank mixing units of 110 ~ 130 DEG C of twin-screw/single screw rods, then is cut through cold wind flour milling Grain, air-cooled, vibratory sieve sorting, you can a kind of nano modification low-heat rate of release fireproofing cable material without halide is obtained.
The present invention has following characteristic compared with prior art：
（1）Silane coupler highly effective flame-retardant master batch in inventive formulation is applied to fireproofing cable material without halide as fire retardant In, inventor also found when the ethylene-vinyl acetate copolymer and silane coupler in silane coupler highly effective flame-retardant master batch Class compound is 9 according to weight ratio:After 1 is matched, can overcome whole matrix resin Heat liberation unit greatly and nano-particle is easy In the shortcoming reunited in the base.
（2）Magnesium-based nucleocapsid fire retardant in inventive formulation has larger specific surface area, beneficial to raising and polymeric matrix Interaction, and then improve compound mechanical property, and have excellent fire retardant, reduce the filling proportion of inorganic combustion inhibitor.
（3）Carbon forming agent in inventive formulation promotes polymer that the layer of charcoal of densification is collectively forming with nanoclay, to reduce HRR.
In a word, the present invention is added to silane coupler highly effective flame-retardant master batch as fire retardant in blend, overcomes base Body resin（Ethylene-vinyl acetate copolymer, LLDPE and the intoxicated graft three of maleic acid constitute matrix Resin）Heat liberation unit is big and nano-particle is easy to the shortcoming reunited in the base；Integrated use nanoclay into charcoal it is good with Principle, the magnesium-based nucleocapsid fire retardant highly effective flame-retardants such as adsorption suppression cigarette so that blend discharges less heat in combustion process Amount and flue dust, reach the purpose of low-heat rate of release and cigarette rate of release.
Specific embodiment
With reference to embodiment, the invention will be further described：
Embodiment 1 ~ 4：A kind of nano modification low-heat rate of release fireproofing cable material without halide and preparation method thereof
First, composition of raw materials：
The comparative example of table 1 and the Ju Ti Pei Fang of embodiment 1 ~ 4（Parts by weight）
Raw material Comparative example Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Silane coupler class highly effective flame-retardant master batch 　 10 13 15 15
Ethylene-vinyl acetate copolymer 60 55 55 50 60
LLDPE 25 20 18 22 13
The intoxicated graft of maleic acid 15 15 14 13 12
Aluminium hydroxide 120 80 100 110 120
Magnesium hydroxide 40 　 　 　 　
Magnesium-based nucleocapsid fire retardant 　 30 30 40 50
Carbon forming agent 10 7 5 3 4
Nanoclay 　 3 5 6 6
Dispersant 　 1 1 2 2.5
Lubricant 2 1.5 1.5 2 2.5
Antioxidant 2 1.5 1.5 2 2
Raw materials are described as follows in formula：
With ethylene-vinyl acetate copolymer in embodiment 1 ~ 4 using the EVA2803 of A Kema productions, melting refers to comparative example Number is 2 ~ 8g/10min, and its vinyl acetate content accounts for the 10 ~ 40% of ethylene-vinyl acetate copolymer gross mass；
Comparative example, using the mLLDPE 3158CB of Exxon Mobil production, is somebody's turn to do with LLDPE in embodiment 1 ~ 4 LLDPE is metallocene linear-low density polyethylene（mLLDPE）, its melt index is 0.5 ~ 10g/10min；
The H-WF-01-SP of aluminium production during aluminium hydroxide is used in comparative example and embodiment 1 ~ 4, aluminium hydroxide is that particle diameter is 1.5 ~ 3.0 μm, specific surface area be 4 ~ 7m2The particulate of/g；
Comparative example is with antioxidant in embodiment 1 ~ 4 using by 1010：DLTP=1：1 compound；
Vinegar intoxicated graft in Malaysia is LLDPE-g-MAH in comparative example, and magnesium hydroxide is that Ai Teke produces 45FD, and lubricant is big China The silicone master batch PW1050 of production；The intoxicated graft of Malaysia vinegar of embodiment 1 ~ 2 is LLDPE-g-MAH, the Malaysia vinegar of embodiment 3 ~ 4 Intoxicated graft is EVA-g-MAH, and the melt index of Malaysia acetic acid graft is 0.5 ~ 7g/10min
The silane coupler highly effective flame-retardant master batch of embodiment 1 ~ 4 is by ethylene-vinyl acetate copolymer and silane coupler class Compound is 9 according to weight ratio:1, by melt blending, extrusion, cooling, pelletizing and obtain；Wherein, the silane of embodiment 1 ~ 2 Coupling agent is A-172, and the silane coupler of embodiment 3 ~ 4 is S330.
The carbon forming agent of embodiment 1 ~ 2 is iron oxide, and the carbon forming agent of embodiment 3 is ammonium molybdate, and the carbon forming agent of embodiment 4 is boiling Stone.
The nanoclay of embodiment 1 ~ 2 is nano imvite, and the nanoclay of embodiment 3 is laminar dual hydroxy composite metal Hydroxide, the nanoclay of embodiment 4 is sepiolite.
The magnesium-based nucleocapsid fire retardant of embodiment 1 ~ 4 is that the magnesium hydroxide that particle diameter is 1.5 ~ 3.0um is " core ", and nano-zinc borate is The composite flame-retardant agent of " shell ", wherein, magnesium hydroxide is 80 with the mass ratio of nano-zinc borate：20.
The dispersant of embodiment 1 ~ 2 is that the Rhein of TUV's production dissipates A-16, and the dispersant of embodiment 3 ~ 4 is Rhein public affairs The Rhein for taking charge of production dissipates A-25.
Embodiment 1 is big China silicone master batch PW1050 with the lubricant of embodiment 4, and embodiment 2 is preferred the silicone of China's production Master batch GW-6125, the lubricant of embodiment 3 is the vertical producible silicone master batch LYSI-01 of think of.
2nd, preparation method：
1）Comparative example preparation method：
Material is weighed by the formula of table 1, during the resin of half first is put into temperature for 80 ~ 90 DEG C of banbury, then powder is put into Wherein, auxiliary agent and remaining resin are then put into, banbury is closed, material is kneaded in banbury 10 ~ 15 minutes, melt temperature Discharge is extruded in going to twin-screw/single screw rod mixing unit when degree reaches 140 ~ 150 DEG C, then through pelletizing, cooling, packaging, is obtained Comparative example finished product.
2）The preparation method of embodiment 1 ~ 4：
A) by banbury temperature control at 50 ~ 90 DEG C, rotating speed is 10 ~ 50 revs/min, by 90 parts of ethylene-vinyl acetate copolymers It is added in banbury, treats that its is melted and add 10 parts of silane coupler class compounds, melt blending 5 ~ 20 minutes, then extruded, Cooling, pelletizing, obtain silane coupler highly effective flame-retardant master batch, close in aluminium foil bag, and vacuum packaging preserves stand-by；
B) material is weighed by the formula of table 1, during the resin of half first is put into temperature for 80 ~ 90 DEG C of banbury, then powder is thrown Enter wherein, then input auxiliary agent and remaining resin, close banbury, make material that 10 ~ 15 minutes, melt are kneaded in banbury Discharge is extruded in going to twin-screw/single screw rod mixing unit when temperature reaches 140 ~ 150 DEG C, then through pelletizing, cooling, packaging, is obtained To the finished product of embodiment 1 ~ 4.
3rd, detect
Finished product material is taken on vulcanizing press through 175 DEG C × 10min compressing tablets, pressure is 15MPa, print thickness 1mm and 3mm, Tested after placing 16h at room temperature.Wherein, specimen size is pressed 100mm × 100mm × 3mm and is cut when cone calorimetry is tested, Tested under the conditions of thermal power is 30kW.Test result such as table 2.
The test result of table 2
Test event Comparative example Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Tensile strength（Mpa） 11.9 11.1 10.9 10.9 10.5
Elongation at break（%） 170 230 206 195 185
Oxygen index (OI)（%） 32 32 34 35 38
151 121 101 92 75
0.092 0.033 0.023 0.019 0.014
From table 2 it can be seen that a kind of nano modification low-heat rate of release fireproofing cable material without halide embodiment 1 ~ 4 is in maximum heat Rate of release is with cigarette rate of release significantly lower than conventional electric cable material with low smoke and halogen free（Comparative example）.Wherein, using embodiment 3 and in fact The line gauge for applying the production of example 4 is 4x2xAWG23, and Category 6A have successfully passed through EN 13501-6：In 2014 standards B2ca level estimates.
The above embodiments merely illustrate the technical concept and features of the present invention, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implement according to this that it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.

Claims (8)

1. a kind of nano modification low-heat rate of release fireproofing cable material without halide, it is characterised in that：Composition of raw materials includes following The component of parts by weight：
10 ~ 15 parts of silane coupler highly effective flame-retardant master batch,
45 ~ 65 parts of ethylene-vinyl acetate copolymer,
15 ~ 30 parts of LLDPE,
10 ~ 15 parts of the intoxicated graft of maleic acid,
80 ~ 120 parts of aluminium hydroxide,
30 ~ 80 parts of magnesium-based nucleocapsid fire retardant,
1 ~ 10 part of carbon forming agent,
1 ~ 10 part of nanoclay；
Wherein, the silane coupler highly effective flame-retardant master batch is by ethylene-vinyl acetate copolymer and silane coupler class Compound is 9 according to weight ratio:1, by melt blending, extrusion, cooling, pelletizing and obtain；
In the composition of raw materials, the melt index of the ethylene-vinyl acetate copolymer is 2 ~ 8g/10min, its acetic acid second Alkene ester content accounts for the 10 ~ 40% of ethylene-vinyl acetate copolymer gross mass；
The LLDPE is metallocene linear-low density polyethylene, and its melt index is 0.5 ~ 10g/10min；
The intoxicated graft of maleic acid is that LLDPE is grafted Malaysia acetic acid or ethylene-vinyl acetate copolymer connects Branch Malaysia acetic acid, the melt index of Malaysia acetic acid graft is 0.5 ~ 7g/10min；
The aluminium hydroxide is particle diameter for 1.5 ~ 3.0 μm, specific surface area are 4 ~ 7m2The particulate of/g；
It with particle diameter is 1.5 ~ 3.0 μm of magnesium hydroxide for " core " that the magnesium-based nucleocapsid fire retardant is, particle diameter is the nanometer of 1 ~ 100nm Firebrake ZB is the composite flame-retardant agent of " shell "；
The carbon forming agent is any one in iron oxide, ammonium molybdate, antimony oxide and zeolite；
The nanoclay is montmorillonite, sepiolite, attapulgite, kaolin, palygorskite and laminar dual hydroxy composite metal Any one in hydroxide.
2. nano modification low-heat rate of release fireproofing cable material without halide according to claim 1, it is characterised in that：Institute State silane coupler class compound for silane coupling A -151, A-171, A-172, KH-550, KH-560, KH-570, S320, Any one in S330 and S210.
3. nano modification low-heat rate of release fireproofing cable material without halide according to claim 1, it is characterised in that：Institute State nanoclay and carbon forming agent by weight to calculate, both are not more than 10 parts at parts by weight sum.
4. nano modification low-heat rate of release fireproofing cable material without halide according to claim 1, it is characterised in that：Institute The magnesium hydroxide and the mass ratio of nano-zinc borate stated in magnesium-based nucleocapsid fire retardant are 90：10~60：40.
5. nano modification low-heat rate of release fireproofing cable material without halide according to claim 1, it is characterised in that：Institute The composition of raw materials also dispersant including 1 ~ 3 weight portion is stated, dispersant is that the Rhein of TUV's production dissipates the A-16 or scattered A- of Rhein 25。
6. nano modification low-heat rate of release fireproofing cable material without halide according to claim 1, it is characterised in that：Institute State composition of raw materials also including 1 ~ 4 weight portion lubricant, lubricant be molecular weight for 60 ~ 1,000,000 supra polymer silicone master batch, PE waxes, EVA waxes and naphthenic rubber oil in any one.
7. nano modification low-heat rate of release fireproofing cable material without halide according to claim 1, it is characterised in that：Institute State the composition of raw materials also antioxidant including 1 ~ 3 weight portion, the antioxidant be with four [β-（3,5- di-tert-butyl-hydroxy phenyls） Propionic acid] pentaerythritol ester is that primary antioxidant, the double lauryls of thio-2 acid are the compound antioxidant of auxiliary antioxidant, the two is answered By weight it is 1 with ratio：1~2：1.
8. the system of the nano modification low-heat rate of release fireproofing cable material without halide according to claim 1 ~ 7 any one Preparation Method, it is characterised in that：Comprise the following steps successively：
（1）Prepare silane coupler highly effective flame-retardant master batch：By banbury temperature control at 50 ~ 90 DEG C, rotating speed is 10 ~ 50 revs/min, Ethylene-vinyl acetate copolymer is added in banbury, after silane coupler class compound is added after its melting, melting is altogether Mixed 5 ~ 20 minutes, then extruded, cooling, pelletizing, silane coupler highly effective flame-retardant master batch is obtained, in closing at aluminium foil bag, vacuum packet Dress preserves stand-by；
（2）Finished product material is produced：It is added in the banbury that temperature is 80 ~ 90 DEG C after weighing each material by the composition of raw materials, it is close Refining is entered in the double rank mixing units of 110 ~ 130 DEG C of twin-screw/single screw rods and plastifies extrusion again after 10 ~ 15 minutes, then through cold wind flour milling Pelletizing, air-cooled, vibratory sieve sorting, you can the nano modification low-heat rate of release fireproofing cable material without halide is obtained.
CN201710120186.8A 2017-03-02 2017-03-02 Nano-modified low-heat release rate low-smoke halogen-free flame-retardant cable material and preparation method thereof Active CN106832554B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110591213A (en) * 2019-09-19 2019-12-20 安徽滁州德威新材料有限公司 Low-smoke-density high-flame-retardant halogen-free cable material and preparation method thereof
CN111662499A (en) * 2020-05-13 2020-09-15 扬州市好年华高分子材料有限公司 Low-heat-release low-smoke halogen-free flame-retardant polyolefin cable material and preparation method thereof
CN112759795A (en) * 2020-12-25 2021-05-07 广东宇星阻燃安全材料研究院有限公司 Low-smoke halogen-free flame retardant and preparation method and application thereof
CN113527800A (en) * 2021-07-05 2021-10-22 中国科学院深圳先进技术研究院 Flame-retardant polyolefin composite material and preparation method and application thereof
CN113717450A (en) * 2020-05-29 2021-11-30 苏州史泰诺科技股份有限公司 Low-smoke halogen-free flame-retardant cable material and preparation method thereof
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CN110591213A (en) * 2019-09-19 2019-12-20 安徽滁州德威新材料有限公司 Low-smoke-density high-flame-retardant halogen-free cable material and preparation method thereof
CN111662499A (en) * 2020-05-13 2020-09-15 扬州市好年华高分子材料有限公司 Low-heat-release low-smoke halogen-free flame-retardant polyolefin cable material and preparation method thereof
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CN113972409A (en) * 2020-07-22 2022-01-25 荣盛盟固利新能源科技有限公司 Safety additive for lithium ion battery and preparation method and application thereof
CN113972409B (en) * 2020-07-22 2023-08-04 荣盛盟固利新能源科技有限公司 Lithium ion battery safety additive and preparation method and application thereof
CN112759795A (en) * 2020-12-25 2021-05-07 广东宇星阻燃安全材料研究院有限公司 Low-smoke halogen-free flame retardant and preparation method and application thereof
CN113527800A (en) * 2021-07-05 2021-10-22 中国科学院深圳先进技术研究院 Flame-retardant polyolefin composite material and preparation method and application thereof

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