CN113234271A - Flame-retardant fireproof rope net wire and production process thereof - Google Patents
Flame-retardant fireproof rope net wire and production process thereof Download PDFInfo
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- CN113234271A CN113234271A CN202110502141.3A CN202110502141A CN113234271A CN 113234271 A CN113234271 A CN 113234271A CN 202110502141 A CN202110502141 A CN 202110502141A CN 113234271 A CN113234271 A CN 113234271A
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- rope net
- antioxidant
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 116
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000000654 additive Substances 0.000 claims abstract description 38
- 230000000996 additive effect Effects 0.000 claims abstract description 38
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 26
- 229920003023 plastic Polymers 0.000 claims abstract description 26
- 239000004033 plastic Substances 0.000 claims abstract description 26
- 239000002250 absorbent Substances 0.000 claims abstract description 22
- 230000002745 absorbent Effects 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 21
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 15
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 15
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 238000005469 granulation Methods 0.000 claims abstract description 8
- 230000003179 granulation Effects 0.000 claims abstract description 8
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 48
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 31
- 239000012295 chemical reaction liquid Substances 0.000 claims description 25
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 24
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000013067 intermediate product Substances 0.000 claims description 15
- 238000010992 reflux Methods 0.000 claims description 15
- 238000004821 distillation Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- BSWWXRFVMJHFBN-UHFFFAOYSA-N 2,4,6-tribromophenol Chemical compound OC1=C(Br)C=C(Br)C=C1Br BSWWXRFVMJHFBN-UHFFFAOYSA-N 0.000 claims description 10
- OLLFKUHHDPMQFR-UHFFFAOYSA-N dihydroxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](O)(O)C1=CC=CC=C1 OLLFKUHHDPMQFR-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000012065 filter cake Substances 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 238000000967 suction filtration Methods 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- 239000004611 light stabiliser Substances 0.000 claims description 5
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 4
- 235000013539 calcium stearate Nutrition 0.000 claims description 4
- 239000008116 calcium stearate Substances 0.000 claims description 4
- 239000005457 ice water Substances 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 9
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052794 bromium Inorganic materials 0.000 abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 9
- 239000011574 phosphorus Substances 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 230000003712 anti-aging effect Effects 0.000 abstract description 2
- 230000003064 anti-oxidating effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000003892 spreading Methods 0.000 abstract description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6596—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having atoms other than oxygen, sulfur, selenium, tellurium, nitrogen or phosphorus as ring hetero atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention discloses a flame-retardant fireproof rope network cable and a production process thereof, and relates to the field of fireproof rope network cables.A mixture is obtained by uniformly mixing high-density polyethylene, an antioxidant, an ultraviolet absorbent, a dispersant, a silane coupling agent, titanium dioxide and a flame-retardant additive, the mixture is added into an extruder for extrusion granulation to obtain flame-retardant plastic particles, then the flame-retardant plastic particles are subjected to injection molding and are stretched into filaments by traction to obtain the flame-retardant fireproof rope network cable; the anti-oxidation and anti-aging performance of the rope net line is improved by adding the antioxidant and the ultraviolet absorber, the service life of the rope net line is prolonged, the fireproof flame-retardant performance of the rope net line is improved by adding the flame-retardant additive, the flame-retardant additive has the synergistic effect of bromine and phosphorus elements and has excellent flame-retardant and fireproof effects, so that the prepared flame-retardant fireproof rope net line is not easy to ignite, the combustion spreading speed is low after ignition, the extinguishing speed is high, and the excellent fireproof and flame-retardant performance is realized.
Description
Technical Field
The invention relates to the field of fireproof rope net wires, in particular to a flame-retardant fireproof rope net wire and a production process thereof.
Background
Along with the development of society, the attention of people to safety is higher and higher, along with the rapid development of high-rise buildings, expressways and railway construction businesses and the increasing of large key engineering projects, people pay more and more attention to safety problems, the requirements on the quantity and the quality of a protective net are increased day by day, the safety net is necessary protective equipment for protecting construction personnel in a construction site, and the quality of the safety net directly influences the life safety of the construction personnel;
at present, most of rope nets in China are iron wire nets or common fiber protective nets, the common fiber nets are low in strength and not wear-resistant, and are easy to puncture, so that the safety of the protective nets cannot be guaranteed;
therefore, how to improve the poor flame retardant and fire retardant performance of the existing fiber webs is a problem to be solved by the invention.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a flame-retardant fireproof rope net wire and a production process thereof, wherein the flame-retardant fireproof rope net wire comprises the following steps: the high-density polyethylene, the antioxidant, the ultraviolet absorbent, the dispersing agent, the silane coupling agent, the titanium dioxide and the flame-retardant additive are uniformly mixed to obtain a mixture, the mixture is added into an extruder to be extruded and granulated to obtain flame-retardant plastic particles, then the flame-retardant plastic particles are subjected to injection molding and are drawn and stretched into threads to obtain the flame-retardant fireproof rope net wire, and the problem that the existing fiber net is poor in flame-retardant and fireproof performance is solved.
The purpose of the invention can be realized by the following technical scheme:
the flame-retardant fireproof rope net wire comprises the following components in parts by weight:
80-100 parts of high-density polyethylene, 0.1-0.5 part of antioxidant, 0.3-0.7 part of ultraviolet absorbent, 0.1-0.2 part of dispersant, 1-3 parts of silane coupling agent, 2-6 parts of titanium dioxide and 2-10 parts of flame retardant additive;
the flame-retardant fireproof rope net wire is prepared by the following steps:
the method comprises the following steps: uniformly mixing high-density polyethylene, an antioxidant, an ultraviolet absorbent, a dispersing agent, a silane coupling agent, titanium dioxide and a flame retardant additive to obtain a mixture;
step two: and adding the mixture into an extruder for extrusion granulation to obtain flame-retardant plastic particles, then performing injection molding on the flame-retardant plastic particles, and drawing and stretching the flame-retardant plastic particles into threads to obtain the flame-retardant fireproof rope net wire.
As a further scheme of the invention: the antioxidant is one of antioxidant 168, antioxidant 1010 and antioxidant 1076; the ultraviolet absorbent is one of light stabilizer 744, ultraviolet absorbent UV-9 and light stabilizer HPT; the dispersing agent is formed by mixing paraffin and calcium stearate according to a mass ratio of 1: 1; the silane coupling agent is one of a silane coupling agent KH-550, a silane coupling agent KH-560 and a silane coupling agent KH-570.
As a further scheme of the invention: the preparation process of the flame retardant additive comprises the following steps:
s1: adding diphenyl silanediol, toluene and triethylamine into a four-neck flask provided with a condensation reflux device, a constant-pressure dropping funnel, a stirrer and a thermometer, and stirring at the stirring speed of 300-;
s2: adding phosphorus oxychloride into dry chloroform, and stirring at the stirring speed of 300-500r/min until the solid is completely dissolved to obtain a reaction liquid b;
s3: adding the reaction liquid b into a four-neck flask, starting stirring and circulating condensed water, dropwise adding the reaction liquid b into the reaction liquid a under the condition of ice water bath, controlling the dropwise adding time to be 60-80min, then heating to room temperature, carrying out heating reflux reaction for 4-5h, stopping the reaction until no hydrogen chloride gas is discharged, carrying out reduced pressure distillation to remove the solvent, washing the distillation product with distilled water for 3-5 times, carrying out suction filtration, placing the filter cake into a vacuum drying box, and drying at the temperature of 50-70 ℃ to constant weight to obtain an intermediate product A;
the reaction principle is as follows:
s4: adding tribromophenol, triethylamine and dry chloroform into a four-neck flask provided with a condensation reflux device, a constant-pressure dropping funnel, a stirrer and a thermometer, stirring at the stirring speed of 300-.
The reaction principle is as follows:
intermediate product A is generated through the reaction of diphenyl silanediol and phosphorus oxychloride, the flame retardant additive is generated through the reaction of the intermediate product A and tribromophenol, the flame retardant additive is a multi-benzene ring, phosphorus-containing and bromine-containing molecular structure, the benzene ring has good stability, so that the benzene ring is not easy to burn, combustible gas is generated when a polymer is burnt, a large amount of hydroxyl free radicals are proliferated in the process to promote the combustion, when the flame retardant additive is heated, bromine is heated and decomposed to generate hydrogen bromide gas which reacts with hydroxyl free radicals to generate bromine free radicals with low activity, so that combustion is inhibited, and the flame retardant effect is achieved, meanwhile, the phosphorus element is heated to generate oxyacid of phosphorus, can catalyze the hydroxyl-containing compound to dehydrate to form carbon, forms a coke layer to be attached to the surface of the material, has flame retardant effect, the flame retardant additive has the synergistic effect of bromine and phosphorus elements and has excellent flame retardant and fireproof effects.
As a further scheme of the invention: in the step S1, the dosage ratio of the diphenyl silanediol to the toluene to the triethylamine is 117.14 g: 300 mL: 82.32 g.
As a further scheme of the invention: in the step S2, the dosage ratio of phosphorus oxychloride to chloroform is 87.50 g: 200 mL.
As a further scheme of the invention: in step S3, the volume ratio of the reaction solution a to the reaction solution b is 3: 2.
as a further scheme of the invention: in the step S4, the dosage ratio of tribromophenol, triethylamine, chloroform and intermediate product A is 54.91 g: 25.20 g: 200mL of: 59.03 g.
As a further scheme of the invention: a production process of a flame-retardant fireproof rope net wire comprises the following steps:
the method comprises the following steps: weighing 80-100 parts of high-density polyethylene, 0.1-0.5 part of antioxidant, 0.3-0.7 part of ultraviolet absorbent, 0.1-0.2 part of dispersant, 1-3 parts of silane coupling agent, 2-6 parts of titanium dioxide and 2-10 parts of flame retardant additive according to parts by weight;
step two: uniformly mixing high-density polyethylene, an antioxidant, an ultraviolet absorbent, a dispersing agent, a silane coupling agent, titanium dioxide and a flame retardant additive to obtain a mixture;
step three: and adding the mixture into an extruder for extrusion granulation to obtain flame-retardant plastic particles, then performing injection molding on the flame-retardant plastic particles, and drawing and stretching the flame-retardant plastic particles into threads to obtain the flame-retardant fireproof rope net wire.
The invention has the beneficial effects that:
the method comprises the steps of uniformly mixing high-density polyethylene, an antioxidant, an ultraviolet absorbent, a dispersing agent, a silane coupling agent, titanium dioxide and a flame-retardant additive to obtain a mixture, adding the mixture into an extruder to perform extrusion granulation to obtain flame-retardant plastic particles, then performing injection molding on the flame-retardant plastic particles, and stretching the flame-retardant plastic particles into threads by traction to obtain the flame-retardant fireproof rope net wire; the anti-oxidation and anti-aging performance of the rope net wire is improved by adding the antioxidant and the ultraviolet absorbent, the service life of the rope net wire is prolonged, the fire-retardant and flame-retardant performance of the rope net wire is improved by adding the flame-retardant additive, the fire-retardant and flame-retardant rope net wire is not easy to ignite, the combustion spreading speed is slow after ignition and the extinguishing speed is fast, and the rope net wire has excellent fire-retardant and flame-retardant performance;
the flame-retardant plastic particles are prepared in the process of preparing the flame-retardant fireproof rope net wire, an intermediate product A is generated by the reaction of diphenyl silanediol and phosphorus oxychloride, the intermediate product A is reacted with tribromophenol to generate the flame-retardant additive, the flame-retardant additive is a multi-benzene ring, phosphorus-containing and bromine-containing molecular structure, a benzene ring has good stability and is difficult to combust, a combustible gas is generated when a polymer is combusted, a large number of hydroxyl free radicals are proliferated in the process to promote combustion, when the flame-retardant additive is heated, bromine is heated and decomposed to generate hydrogen bromide gas which reacts with the hydroxyl free radicals to generate low-activity bromine free radicals, the combustion is inhibited, the flame-retardant effect is achieved, meanwhile, the phosphorus is heated to generate oxygen-containing acid of phosphorus, the hydroxyl-containing compound can be catalyzed to be dehydrated to form carbon, a coke layer is formed to be attached to the surface of the material, and the flame-retardant effect is achieved, the flame retardant additive has the synergistic effect of bromine and phosphorus elements and has excellent flame retardant and fireproof effects.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
this example is a flame retardant additive prepared as follows:
s1: adding diphenyl silanediol, toluene and triethylamine into a four-neck flask provided with a condensation reflux device, a constant-pressure dropping funnel, a stirrer and a thermometer, and stirring at a stirring speed of 300 r/min until the solid is completely dissolved to obtain a reaction liquid a; controlling the dosage ratio of the diphenyl silanediol, the toluene and the triethylamine to be 117.14 g: 300 mL: 82.32 g;
s2: adding phosphorus oxychloride into dry chloroform, and stirring at the stirring speed of 300 r/min until the solid is completely dissolved to obtain a reaction liquid b; controlling the dosage ratio of the phosphorus oxychloride to the chloroform to be 87.50 g: 200 mL;
s3: adding the reaction liquid b into a four-neck flask, starting stirring and circulating condensed water, dropwise adding the reaction liquid b into the reaction liquid a under the condition of ice-water bath, controlling the dropwise adding time to be 60 min, then heating to room temperature for reflux reaction for 4 hours, carrying out reduced pressure distillation to remove a solvent, washing a distillation product with distilled water for 3 times, carrying out suction filtration, placing a filter cake into a vacuum drying box, and drying at 50 ℃ to constant weight to obtain an intermediate product A; controlling the volume ratio of the reaction liquid a to the reaction liquid b to be 3: 2;
s4: adding tribromophenol, triethylamine and dry chloroform into a four-neck flask provided with a condensation reflux device, a constant-pressure dropping funnel, a stirrer and a thermometer, stirring at a stirring speed of 300 r/min until the solid is completely dissolved, adding an intermediate product A, continuously stirring for reaction for 1h, heating to 60 ℃ for reflux reaction for 4h, carrying out reduced pressure distillation to remove the solvent, washing the distillation product for 3 times by using a sodium carbonate solution with a mass fraction of 10% and distilled water respectively, carrying out suction filtration, placing a filter cake into a vacuum drying box, and drying at a temperature of 50 ℃ to constant weight to obtain a flame retardant additive; controlling the dosage ratio of tribromophenol, triethylamine, chloroform and intermediate product A to be 54.91 g: 25.20 g: 200mL of: 59.03 g.
Example 2:
this example is a flame retardant additive prepared as follows:
s1: adding diphenyl silanediol, toluene and triethylamine into a four-neck flask provided with a condensation reflux device, a constant-pressure dropping funnel, a stirrer and a thermometer, and stirring at a stirring speed of 500r/min until the solid is completely dissolved to obtain a reaction liquid a; controlling the dosage ratio of the diphenyl silanediol, the toluene and the triethylamine to be 117.14 g: 300 mL: 82.32 g;
s2: adding phosphorus oxychloride into dry chloroform, and stirring at a stirring speed of 500r/min until the solid is completely dissolved to obtain a reaction liquid b; controlling the dosage ratio of the phosphorus oxychloride to the chloroform to be 87.50 g: 200 mL;
s3: adding the reaction liquid b into a four-neck flask, starting stirring and circulating condensed water, dropwise adding the reaction liquid b into the reaction liquid a under the condition of ice-water bath, controlling the dropwise adding time to be 80min, then heating to room temperature, carrying out reflux reaction for 4-5h, carrying out reduced pressure distillation to remove a solvent, washing a distillation product with distilled water for 5 times, carrying out suction filtration, placing a filter cake into a vacuum drying box, and drying at the temperature of 70 ℃ to constant weight to obtain an intermediate product A; controlling the volume ratio of the reaction liquid a to the reaction liquid b to be 3: 2;
s4: adding tribromophenol, triethylamine and dry chloroform into a four-neck flask provided with a condensation reflux device, a constant-pressure dropping funnel, a stirrer and a thermometer, stirring at a stirring speed of 500r/min until the solid is completely dissolved, adding an intermediate product A, continuously stirring for reaction for 2 hours, heating to 70 ℃ for reflux reaction for 5 hours, carrying out reduced pressure distillation to remove the solvent, washing the distillation product with a sodium carbonate solution with a mass fraction of 10% and distilled water for 5 times respectively, carrying out suction filtration, placing a filter cake into a vacuum drying box, and drying at a temperature of 70 ℃ to constant weight to obtain a flame retardant additive; controlling the dosage ratio of tribromophenol, triethylamine, chloroform and intermediate product A to be 54.91 g: 25.20 g: 200mL of: 59.03 g.
Example 3:
the embodiment is a production process of a flame-retardant fireproof rope net wire, which comprises the following steps:
the method comprises the following steps: weighing 80 parts by weight of high-density polyethylene, 0.1 part by weight of antioxidant, 0.3 part by weight of ultraviolet absorbent, 0.1 part by weight of dispersant, 1 part by weight of silane coupling agent, 2 parts by weight of titanium dioxide and 2 parts by weight of flame retardant additive from example 1; the antioxidant is antioxidant 168; the ultraviolet absorbent is a light stabilizer 744; the dispersing agent is formed by mixing paraffin and calcium stearate according to a mass ratio of 1: 1; the silane coupling agent is a silane coupling agent KH-550;
step two: uniformly mixing high-density polyethylene, an antioxidant, an ultraviolet absorbent, a dispersing agent, a silane coupling agent, titanium dioxide and a flame retardant additive to obtain a mixture;
step three: and adding the mixture into an extruder for extrusion granulation to obtain flame-retardant plastic particles, then performing injection molding on the flame-retardant plastic particles, and drawing and stretching the flame-retardant plastic particles into threads to obtain the flame-retardant fireproof rope net wire.
Example 4:
the embodiment is a production process of a flame-retardant fireproof rope net wire, which comprises the following steps:
the method comprises the following steps: weighing 100 parts of high-density polyethylene, 0.5 part of antioxidant, 0.7 part of ultraviolet absorber, 0.2 part of dispersant, 3 parts of silane coupling agent, 6 parts of titanium dioxide and 10 parts of flame retardant additive from example 2 according to parts by weight; the antioxidant is an antioxidant 1010; the ultraviolet absorbent is an ultraviolet absorbent UV-9; the dispersing agent is formed by mixing paraffin and calcium stearate according to a mass ratio of 1: 1; the silane coupling agent is a silane coupling agent KH-570;
step two: uniformly mixing high-density polyethylene, an antioxidant, an ultraviolet absorbent, a dispersing agent, a silane coupling agent, titanium dioxide and a flame retardant additive to obtain a mixture;
step three: and adding the mixture into an extruder for extrusion granulation to obtain flame-retardant plastic particles, then performing injection molding on the flame-retardant plastic particles, and drawing and stretching the flame-retardant plastic particles into threads to obtain the flame-retardant fireproof rope net wire.
Comparative example 1:
comparative example 1 differs from example 4 in that no flame retardant additive was added to comparative example 1.
Comparative example 2:
comparative examples are patent application No. CN 201811151838.5: a high-strength fireproof dustproof safety rope net is disclosed.
Comparative example 3:
comparative example 3 is different from comparative example 2 in that the flame retardant additive of the present invention is added.
The cord net yarns of examples 3 to 4 and comparative examples 1 to 3 were combined into one strand of 10 yarns to form a strand, the strand was vertically hung, the strand was burned with an alcohol burner until the strand was broken, and the strand breakage time and the smoldering time were recorded, and the test results were as follows:
| sample (I) | Time to failure (min) | Smoldering time (min) |
| Example 3 | 27.9 | 0.2 |
| Example 4 | 32.1 | 0.1 |
| Comparative example 1 | 12.6 | 4.3 |
| Comparative example 2 | 19.7 | 1.8 |
| Comparative example 3 | 29.4 | 0.2 |
As can be seen from the data in the table above, the example has a good flame-retardant and fireproof effect after adding the flame-retardant additive, the fireproof performance of the fireproof rope in the prior art (comparative example 2) is poor, and the comparative example 3 is that the flame-retardant additive of the invention is added to the comparative example 2, so that the good flame-retardant and fireproof effect is obtained, and therefore, the flame-retardant and fireproof performance of the material after adding the flame-retardant additive can be effectively improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (8)
1. The flame-retardant fireproof rope net wire is characterized by comprising the following components in parts by weight:
80-100 parts of high-density polyethylene, 0.1-0.5 part of antioxidant, 0.3-0.7 part of ultraviolet absorbent, 0.1-0.2 part of dispersant, 1-3 parts of silane coupling agent, 2-6 parts of titanium dioxide and 2-10 parts of flame retardant additive;
the flame-retardant fireproof rope net wire is prepared by the following steps:
the method comprises the following steps: uniformly mixing high-density polyethylene, an antioxidant, an ultraviolet absorbent, a dispersing agent, a silane coupling agent, titanium dioxide and a flame retardant additive to obtain a mixture;
step two: and adding the mixture into an extruder for extrusion granulation to obtain flame-retardant plastic particles, then performing injection molding on the flame-retardant plastic particles, and drawing and stretching the flame-retardant plastic particles into threads to obtain the flame-retardant fireproof rope net wire.
2. The flame retardant fireproof rope net wire according to claim 1, wherein the antioxidant is one of an antioxidant 168, an antioxidant 1010 and an antioxidant 1076; the ultraviolet absorbent is one of light stabilizer 744, ultraviolet absorbent UV-9 and light stabilizer HPT; the dispersing agent is formed by mixing paraffin and calcium stearate according to a mass ratio of 1: 1; the silane coupling agent is one of a silane coupling agent KH-550, a silane coupling agent KH-560 and a silane coupling agent KH-570.
3. The flame retardant fire rope net wire according to claim 1, wherein the flame retardant additive is prepared by the following steps:
s1: adding diphenyl silanediol, toluene and triethylamine into a four-neck flask provided with a condensation reflux device, a constant-pressure dropping funnel, a stirrer and a thermometer, and stirring at the stirring speed of 300-500r/min until the solid is completely dissolved to obtain a reaction liquid a;
s2: adding phosphorus oxychloride into dry chloroform, and stirring at the stirring speed of 300-500r/min until the solid is completely dissolved to obtain a reaction liquid b;
s3: adding the reaction liquid b into a four-neck flask, starting stirring and circulating condensed water, dropwise adding the reaction liquid b into the reaction liquid a under the condition of ice-water bath, controlling the dropwise adding time to be 60-80min, then heating to room temperature, carrying out reflux reaction for 4-5h, carrying out reduced pressure distillation to remove a solvent, washing a distillation product with distilled water for 3-5 times, carrying out suction filtration, placing a filter cake into a vacuum drying box, and drying at 50-70 ℃ to constant weight to obtain an intermediate product A;
s4: adding tribromophenol, triethylamine and dry chloroform into a four-neck flask provided with a condensation reflux device, a constant-pressure dropping funnel, a stirrer and a thermometer, stirring at the stirring speed of 300-500r/min until the solid is completely dissolved, then adding an intermediate product A, continuously stirring for reaction for 1-2h, heating to 60-70 ℃ for reflux reaction for 4-5h, carrying out reduced pressure distillation to remove the solvent, washing the distillation product for 3-5 times by using a sodium carbonate solution with the mass fraction of 10% and distilled water respectively, carrying out suction filtration, placing the filter cake into a vacuum drying box, and drying at the temperature of 50-70 ℃ to constant weight to obtain the flame retardant additive.
4. The flame-retardant fireproof rope net wire according to claim 3, wherein in the step S1, the dosage ratio of the diphenyl silanediol to the toluene to the triethylamine is 117.14 g: 300 mL: 82.32 g.
5. The flame-retardant fireproof rope net wire according to claim 3, wherein the dosage ratio of phosphorus oxychloride to chloroform in step S2 is 87.50 g: 200 mL.
6. The flame-retardant fireproof rope net wire according to claim 3, wherein the volume ratio of the reaction liquid a to the reaction liquid b in step S3 is 3: 2.
7. the flame-retardant fireproof rope net wire according to claim 3, wherein the usage ratio of tribromophenol, triethylamine, chloroform and intermediate product A in step S4 is 54.91 g: 25.20 g: 200mL of: 59.03 g.
8. The production process of the flame-retardant fireproof rope net wire according to claim 1, characterized by comprising the following steps:
the method comprises the following steps: weighing 80-100 parts of high-density polyethylene, 0.1-0.5 part of antioxidant, 0.3-0.7 part of ultraviolet absorbent, 0.1-0.2 part of dispersant, 1-3 parts of silane coupling agent, 2-6 parts of titanium dioxide and 2-10 parts of flame retardant additive according to parts by weight;
step two: uniformly mixing high-density polyethylene, an antioxidant, an ultraviolet absorbent, a dispersing agent, a silane coupling agent, titanium dioxide and a flame retardant additive to obtain a mixture;
step three: and adding the mixture into an extruder for extrusion granulation to obtain flame-retardant plastic particles, then performing injection molding on the flame-retardant plastic particles, and drawing and stretching the flame-retardant plastic particles into threads to obtain the flame-retardant fireproof rope net wire.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113699679A (en) * | 2021-08-17 | 2021-11-26 | 安徽鸿森塑业科技股份有限公司 | Fire-retardant type of preventing fires covers native net |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113699679A (en) * | 2021-08-17 | 2021-11-26 | 安徽鸿森塑业科技股份有限公司 | Fire-retardant type of preventing fires covers native net |
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