CN108559157B - Elastic binding belt capable of automatically relaxing after gasoline soaking and suitable for binding blocking explosion-proof filler, preparation method thereof and binding method - Google Patents
Elastic binding belt capable of automatically relaxing after gasoline soaking and suitable for binding blocking explosion-proof filler, preparation method thereof and binding method Download PDFInfo
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- CN108559157B CN108559157B CN201810353626.9A CN201810353626A CN108559157B CN 108559157 B CN108559157 B CN 108559157B CN 201810353626 A CN201810353626 A CN 201810353626A CN 108559157 B CN108559157 B CN 108559157B
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title abstract description 15
- 238000002791 soaking Methods 0.000 title abstract description 8
- 230000002040 relaxant effect Effects 0.000 title description 4
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 239000008187 granular material Substances 0.000 claims abstract description 13
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- 238000005266 casting Methods 0.000 claims abstract description 12
- 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 claims abstract description 11
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 10
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- 238000001816 cooling Methods 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 46
- -1 polypropylene Polymers 0.000 claims description 17
- 239000004743 Polypropylene Substances 0.000 claims description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 10
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 239000006229 carbon black Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 9
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- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 239000003607 modifier Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 5
- 239000004700 high-density polyethylene Substances 0.000 claims description 5
- QHZLMUACJMDIAE-UHFFFAOYSA-N 1-monopalmitoylglycerol Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(O)CO QHZLMUACJMDIAE-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- CXGVAJJXCUTWAR-HPWRNOGASA-N (z)-n-[2-(diethylamino)ethyl]octadec-9-enamide;hydrochloride Chemical compound Cl.CCCCCCCC\C=C/CCCCCCCC(=O)NCCN(CC)CC CXGVAJJXCUTWAR-HPWRNOGASA-N 0.000 claims description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 229960003237 betaine Drugs 0.000 claims description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 2
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 2
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 2
- 229920001684 low density polyethylene Polymers 0.000 claims description 2
- 239000004702 low-density polyethylene Substances 0.000 claims description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 2
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 2
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- 239000002861 polymer material Substances 0.000 abstract description 6
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- 239000000463 material Substances 0.000 description 40
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- 239000002994 raw material Substances 0.000 description 11
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- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- UMPKMCDVBZFQOK-UHFFFAOYSA-N potassium;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[K+].[Fe+3] UMPKMCDVBZFQOK-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
- B65D63/10—Non-metallic straps, tapes, or bands; Filamentary elements, e.g. strings, threads or wires; Joints between ends thereof
-
- 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
- C08L2201/04—Antistatic
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an elastic binding belt capable of automatically loosening after gasoline soaking and suitable for binding obstructing and explosion-proof fillers, a preparation method thereof and a binding method. Specifically, polyolefin, a flame retardant, an antistatic agent and other functional auxiliaries are fully dried and uniformly mixed in a high-speed stirrer, then the mixture is added into a double-screw extruder for melt blending, the extrudate is subjected to cooling, granulation and drying treatment, and then the granules are added into a casting machine for melt casting into strips, so that the elastic binding belt suitable for binding the blocking explosion-proof filler is obtained. The elastic binding band prepared by the invention can be suitable for a plurality of blocking explosion-proof fillers, the elastic binding band endows the blocking explosion-proof fillers with prestress, the problem that filler pores are increased and concentrated due to creep deformation of loosely filled high polymer materials under the condition of long-term soaking of gasoline is solved, the defect that the traditional blocking explosion-proof fillers are easy to collapse is overcome, and the service life of the blocking explosion-proof fillers is prolonged.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to an elastic binding belt capable of automatically relaxing after gasoline soaking and suitable for binding blocking explosion-proof fillers, and a preparation method and a binding method thereof.
Background
The blocking explosion-proof filler is a material which is made into a net shape, a ball shape or other shapes by taking a metal or organic polymer material as a matrix, is filled or installed in oil tanks and pipelines of vehicles, airplanes, naval vessels, tank oil tanks or other facilities, divides relatively larger internal space into a plurality of small enough space structures, can block the rapid propagation of flame and the instant release of energy, and damages the explosion conditions of combustible steam by utilizing the structure, the surface and the heat conduction effect of the material, thereby preventing further combustion and explosion and ensuring the storage, transportation and use safety of flammable and explosive petrochemical products. The classification mode of the blocking explosion-proof filler is various, and the blocking explosion-proof filler can be divided into a metal blocking explosion-proof filler and a nonmetal blocking explosion-proof filler according to the property of the material.
Polyolefins are most important in polyethylene and polypropylene, the main species being polyethylene and also copolymers based on ethylene, such as ethylene-vinyl acetate copolymers, copolymers of ethylene-acrylic acid or acrylic acid vinegar, and also polypropylene and also copolymers of propylene, poly-1-butene, poly-4-methyl-1-pentene, cycloolefin polymers. The polymer material has the advantages of abundant raw materials, low price, easy processing and molding and excellent comprehensive performance, so the polymer material has the largest output and very wide application. The polyolefin has the advantages of low relative density, chemical resistance and good water resistance; the material has the characteristics of good mechanical strength and the like, and is used as a matrix to prepare the blocking and explosion-proof filler with low price, easy processing and excellent performance through functional modification such as antistatic property, heat conduction and flame retardance.
The improvement in the thermal conductivity of the material is believed by the scholars to not result in a significant change in the flame-extinguishing diameter, and thus the wall effect is the primary mechanism for preventing flame propagation. The activated superfine waste rubber powder compounded reticular polyurethane foam anti-explosion barrier material is prepared in Chinese patent CN107254160A, and the superfine waste rubber powder activated by a hydrogen peroxide/potassium ferrate composite system is added into the traditional reticular polyurethane foam material for filling modification treatment, so that the activated waste rubber powder not only reduces the production cost of the reticular polyurethane material, but also can effectively improve the mechanical property and wave absorption property of the reticular polyurethane material, prolongs the service life and further improves the anti-explosion barrier capability of the material.
Researchers (compatibility research of novel polypropylene barrier explosion-suppression material and gasoline [ J ]. Chinese safety science, 2016,26 (8): 52-57.) prepared novel polypropylene barrier explosion-suppression filler, and studied the compatibility of the novel polypropylene barrier explosion-suppression filler with No. 92 gasoline at 70 ℃. The result proves that the mechanical property is obviously reduced after the polypropylene barrier explosion-proof filler is stored for a long time, wherein the elastic modulus is reduced by 57.89%, and the elongation at break is reduced by 75.88%; the combustion performance and the conductivity of the material are slightly reduced; the change of various indexes of the gasoline is not obvious, and the storage service performance is not influenced. Therefore, the polyolefin-based barrier explosion-proof filler is easy to swell in the using process, the mechanical property of the polyolefin-based material body is seriously weakened, the phenomenon of collapse is easy to occur, and the service life of the polyolefin-based barrier explosion-proof filler is seriously influenced.
Based on the defect, the invention adopts the technical scheme that the blocking explosion-proof filler is placed in a compressor to be compressed, and is longitudinally bundled for multiple times by using an elastic bundling belt. The elastic binding band prepared by the invention can be suitable for a plurality of blocking explosion-proof fillers, the elastic binding band endows the blocking explosion-proof fillers with prestress, the problem that filler pores are increased and concentrated due to creep deformation of loosely filled high polymer materials under the condition of long-term soaking in a solvent is solved, the defect that the traditional blocking explosion-proof fillers are easy to collapse is overcome, and the service life of the blocking explosion-proof fillers is prolonged. The elastic binding band prepared by the invention has low cost and excellent performance.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the technical problems, the invention provides the elastic binding belt which is low in cost, excellent in performance and capable of automatically relaxing after being soaked in gasoline and is suitable for binding various blocking explosion-proof fillers, and the preparation method, the application and the binding method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
a preparation method of an elastic binding belt which automatically relaxes after being soaked in gasoline and is suitable for binding barrier explosion-proof fillers comprises the following steps:
(1) Placing the dried polyolefin, the thermoplastic elastomer, the flame retardant, the carbon black, the interface modifier, the antistatic agent and the antioxidant into a high-speed stirrer for stirring to prepare a uniform mixture;
(2) Adding the uniform mixture prepared in the step (1) into a double-screw extruder, melting, blending and extruding, and then cooling, granulating and drying the extrudate to prepare granules;
(3) And (3) putting the granules prepared in the step (2) into a casting machine for melt casting to form strips, thus obtaining the elastic binding belt suitable for binding the barrier explosion-proof filler.
Further, the polyolefin in the step (1) accounts for 50-70 parts by weight, the thermoplastic elastomer accounts for 20-30 parts by weight, the flame retardant accounts for 5-15 parts by weight, the carbon black accounts for 5-10 parts by weight, the interface modifier accounts for 1-5 parts by weight, the antistatic agent accounts for 1-5 parts by weight, and the antioxidant accounts for 0.1-0.5 part by weight.
Further, the polyolefin in the step (1) is any one or more of polypropylene, high density polyethylene, low density polyethylene and linear low density polyethylene.
Further, the thermoplastic elastomer in the step (1) is any one or more of an ethylene-octene copolymer, a polyurethane elastomer, a styrene elastomer and an olefin elastomer.
Further, the flame retardant in the step (1) is any one or more of antimony trioxide and polybrominated diphenyl ethers; the volume resistivity of the carbon black in the step (1) is 106-108 omega cm.
Further, the interfacial modifier in the step (1) is any one or more of polyethylene grafted maleic anhydride or polypropylene grafted maleic anhydride.
Further, the antistatic agent in the step (1) is any one or more of glycerol monopalmitate, N-oleoyl-N ', N' -diethylethylenediamine hydrochloride, dodecyl sulfopropyl betaine and carbon black; the antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid n-octadecyl ester.
The elastic binding band is prepared by the preparation method of the elastic binding band which is automatically loosened after being soaked in the gasoline and is suitable for binding the blocking explosion-proof filler.
The method for binding the barrier explosion-proof filler by the elastic binding belt is to bind the elastic binding belt along the longitudinal direction of the barrier explosion-proof filler.
The beneficial effects obtained by the invention are as follows: 1) The blocking explosion-proof filler is prestressed by the elastic binding bands, the elastic binding bands slowly expand and relax under the action of gasoline, the expanded binding bands relax the constraint on the blocking explosion-proof filler, the energy of the prepressed blocking explosion-proof filler can be slowly released and further filled in an oil tank, the increase and concentration of filler pores are avoided, and filling collapse caused by swelling of the blocking explosion-proof filler by the gasoline is resisted. 2) The flame-retardant modified elastic binding band can further enhance the barrier and explosion-proof performance of the polyolefin-based barrier and explosion-proof filler, is comparable to the metal-based barrier and explosion-proof filler, and can play a role in flame retardance in actual oil combustion and prevent further spread of fire. 3) The added antistatic agent is combined with the carbon black, so that the harm caused by static electricity in the oil storage and transportation process can be effectively eliminated. 4) The elastic binding band prepared by the invention can be suitable for a plurality of barrier explosion-proof fillers, the binding band endows the barrier explosion-proof fillers with prestress, the defect that the filler pores are increased and concentrated to further collapse caused by creep deformation of the traditional fluffy porous high-molecular barrier explosion-proof materials when the materials are soaked in gasoline for a long time is overcome, and the service life of the barrier explosion-proof fillers is prolonged; 5) The elastic binding belt prepared by the invention has the advantages of simple preparation method, low energy consumption, low raw material cost and excellent performance of the prepared product.
Detailed Description
The invention is described in further detail below with reference to examples:
example 1:
the preparation method of the elastic binding belt suitable for binding the blocking explosion-proof filler comprises the following raw materials, by mass, 50 parts of high-density polyethylene, 30 parts of styrene thermoplastic elastomer (SEBS), 5 parts of a flame retardant (a mixture of decabromodiphenyl ether and antimony trioxide, the mass ratio of which is 3. The preparation method comprises the following steps:
(1) Fully drying the raw materials in the formula, putting the raw materials into a high-speed stirrer according to the proportion, stirring and uniformly mixing to obtain a uniform mixture;
(2) Adding the uniform mixture prepared in the step (1) into a double-screw extruder for melting, blending and extruding materials, wherein the diameter of a screw of the double-screw extruder is 25mm, the compression ratio is 1:10, the rotating speed of the screw is 200 revolutions per minute, and the temperatures of a feeding section, a conveying section and a homogenizing section are respectively 100 ℃, 190 ℃ and 200 ℃; then cooling, granulating and drying the extrudate to prepare granules;
(3) And (3) adding the granules prepared in the step (2) into a casting machine for melt casting to form strips, thus obtaining the elastic binding belt which has the thickness of 1.5mm and the width of 3cm and is suitable for binding the blocking explosion-proof filler.
The binding method of the elastic binding band comprises the following steps: the fluffy porous high-molecular barrier explosion-proof material (also called porous filling material) prepared by adopting a spinning process is placed in a compressor, and the material is compressed along the longitudinal direction and the volume is compressed to two thirds of the original volume to prepare the barrier explosion-proof filling material. And then the prepared elastic binding band is used for binding along the longitudinal direction of the barrier explosion-proof filler. The obstructing and explosion-proof filler bundled by the elastic bundling belt is an obstructing and explosion-proof filler 1.
Example 2
The preparation method of the elastic binding belt suitable for binding the obstructing and explosion-proof filler comprises the following raw materials, by mass, 70 parts of high-density polyethylene, 20 parts of styrene thermoplastic elastomer (SEBS), 10 parts of a flame retardant (a mixture of decabromodiphenyl ether and antimony trioxide, the mass ratio of which is 3).
The preparation method comprises the following steps:
(1) Fully drying the raw materials in the formula, putting the raw materials into a high-speed stirrer according to the proportion, stirring and uniformly mixing to obtain a uniform mixture;
(2) Adding the uniform mixture prepared in the step (1) into a double-screw extruder for melting, blending and extruding materials, wherein the diameter of a screw of the double-screw extruder is 25mm, the compression ratio is 1:10, the rotating speed of the screw is 200 revolutions per minute, and the temperatures of a feeding section, a conveying section and a homogenizing section are respectively 100 ℃, 190 ℃ and 200 ℃; then cooling, granulating and drying the extrudate to prepare granules;
(3) And (3) adding the granules prepared in the step (2) into a casting machine for melt casting to form strips, thus obtaining the elastic binding belt which has the thickness of 1.5mm and the width of 3cm and is suitable for binding the blocking explosion-proof filler.
The binding method of the elastic binding band comprises the following steps: the fluffy porous high-molecular barrier explosion-proof material (also called porous filling material) prepared by adopting a spinning process is placed in a compressor, and the material is compressed along the longitudinal direction and the volume is compressed to two thirds of the original volume to prepare the barrier explosion-proof filling material. And then the prepared elastic binding band is used for binding along the longitudinal direction of the barrier explosion-proof filler. The blocking explosion-proof filler bound by the elastic binding belt is a blocking explosion-proof filler 2.
Example 3
The preparation method of the elastic binding belt suitable for binding the blocking explosion-proof filler comprises the following raw materials, by mass, 60 parts of high-density polyethylene, 25 parts of styrene thermoplastic elastomer (SEBS), 15 parts of a flame retardant (a mixture of decabromodiphenyl ether and antimony trioxide, the mass ratio of which is 3. The preparation method comprises the following steps:
(1) Fully drying the raw materials in the formula, putting the raw materials into a high-speed stirrer according to the proportion, stirring and uniformly mixing to obtain a uniform mixture;
(2) Adding the uniform mixture prepared in the step (1) into a double-screw extruder for melting and blending and extruding materials, wherein the diameter of a screw of the double-screw extruder is 25mm, the compression ratio is 1; then cooling, granulating and drying the extrudate to prepare granules;
(3) And (3) adding the granules prepared in the step (2) into a casting machine to perform melt casting to form strips, thus obtaining the elastic binding belt which has the thickness of 1.5mm and the width of 3cm and is suitable for binding the barrier explosion-proof filler.
The binding method of the elastic binding band comprises the following steps: the fluffy porous high-molecular barrier explosion-proof material (also called porous filling material) prepared by adopting a spinning process is placed in a compressor, and the material is compressed along the longitudinal direction and the volume is compressed to two thirds of the original volume to prepare the barrier explosion-proof filling material. And then the prepared elastic binding band is used for binding along the longitudinal direction of the barrier explosion-proof filler. The obstructing and explosion-proof filler bundled by the elastic bundling belt is an obstructing and explosion-proof filler 3.
Effect example 1
After fully drying the granules prepared in the step (2) in the examples 1 to 3, injection molding the granules into standard sample strips by using an injection molding machine according to GB/T1040.3-2006, GB/T1634.2-2004, GB/T2408-2008 and the like respectively, and then carrying out performance tests such as mechanical property, heat resistance, flame retardance and the like, wherein the volume resistivity is measured according to GB/T3048.2-2007 standard. Specific results are shown in table 1.
TABLE 1
Effect example 2
The following preparation method is disclosed in Chinese patent literature (application number is 201710419205.7): 80 parts of polyether polyol with the molecular weight of 3000, 60 parts of toluene diisocyanate, 5 parts of activated superfine waste rubber powder, 8 parts of foaming agent, 0.5 part of foam stabilizer, 0.1 part of stannous octoate, 0.1 part of triethylene diamine, 1 part of nano expanded graphite and 1 part of superfine rare earth tailing powder. Sequentially putting triethylene diamine, a foaming agent, a foam stabilizer, stannous octoate, polyether polyol with the molecular weight of 3000, activated superfine waste rubber powder, nano expanded graphite and superfine rare earth tailing powder into a reaction kettle, stirring and mixing uniformly, adding toluene diisocynate, mixing uniformly, pouring into a mold, and freely foaming for 15 hours; and (3) demolding after foaming is finished, performing networking treatment on the obtained foam material by an alkali liquor soaking or explosion method, cutting and packaging to obtain the barrier explosion-proof material which is used as the barrier explosion-proof material 4.
The fluffy and porous high-molecular barrier explosion-proof material (the shape and the structure are similar to those of the traditional high-molecular barrier explosion-proof filling material), the barrier explosion-proof filling body 1, the barrier explosion-proof filling body 2, the barrier explosion-proof filling body 3, the sample and the barrier explosion-proof material 4 which are used for preparing the barrier explosion-proof filling materials in the embodiments 1 to 3 are respectively and simultaneously filled into oil drums with the same volume and filled with gasoline, the adding amount of the gasoline is suitable for immersing the barrier explosion-proof filling materials, then the oil drums are placed in a constant-temperature shaking box at 50 ℃ for 15 days, then the height of the barrier explosion-proof filling materials is taken out and measured, and the height difference of the barrier explosion-proof filling materials before and after soaking is calculated, so that the volume change rate (the collapse is a negative value, and the increase is a positive value) of the barrier explosion-proof filling materials can be obtained. The specific results are shown in Table 2.
TABLE 2
Claims (6)
1. A method for binding barrier explosion-proof fillers by using elastic binding bands is characterized in that: the bundling method is that the elastic bundling belt is bundled along the longitudinal direction of the separation explosion-proof filler, and the separation explosion-proof filler is formed by compressing a compressor;
the elastic strapping is made by a process comprising the steps of:
(1) Placing the dried polyolefin, the thermoplastic elastomer, the flame retardant, the carbon black, the interface modifier, the antistatic agent and the antioxidant into a high-speed stirrer for stirring to prepare a uniform mixture;
(2) Adding the uniform mixture prepared in the step (1) into a double-screw extruder for melt blending and extrusion, and then cooling, granulating and drying the extrudate to prepare granules;
(3) Putting the granules prepared in the step (2) into a casting machine for melt casting to form strips, and preparing the elastic binding belt suitable for binding the blocking explosion-proof filler;
50-70 parts of polyolefin, 20-30 parts of thermoplastic elastomer, 5-15 parts of flame retardant, 5-10 parts of carbon black, 1-5 parts of interface modifier, 1-5 parts of antistatic agent and 0.1-0.5 part of antioxidant in the step (1).
2. The method for binding a barrier and explosion-proof filler with an elastic binding band as claimed in claim 1, wherein the polyolefin in the step (1) is any one or more of polypropylene, high density polyethylene, low density polyethylene and linear low density polyethylene.
3. The method for binding the explosion-proof and isolating filler with the elastic binding band as claimed in claim 1, wherein the thermoplastic elastomer in step (1) is one or more of ethylene-octene copolymer, polyurethane elastomer, styrene elastomer, and olefin elastomer.
4. The method for binding the explosion-proof and barrier filler with the elastic binding band as claimed in claim 1, wherein the flame retardant in step (1) is any one or more of antimony trioxide and polybrominated diphenyl ether; the volume resistivity of the carbon black in the step (1) is 10 6 ~10 8 Ω•cm。
5. The method for binding a barrier and explosion-proof filler with an elastic binding band as claimed in claim 1, wherein the interfacial modifier in the step (1) is one or more of polyethylene grafted maleic anhydride or polypropylene grafted maleic anhydride.
6. The method for binding the blocking explosion-proof filler with the elastic binding band as claimed in claim 1, wherein the antistatic agent in step (1) is one or more selected from glycerol monopalmitate, N-oleoyl-N ', N' -diethylethylenediamine hydrochloride, dodecylsulfopropyl betaine and carbon black; the antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate.
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| US8656822B1 (en) * | 2009-04-20 | 2014-02-25 | Armorworks Enterprises, Llc | Ballistic floor blanket |
| CN104893100A (en) * | 2015-05-29 | 2015-09-09 | 安徽顺彤包装材料有限公司 | Anti-explosion and anti-electrostatic material and preparation method thereof |
| CN105086060A (en) * | 2015-07-27 | 2015-11-25 | 江苏安普特防爆科技有限公司 | Polyolefin-kind high-molecular obstruction explosion-proof material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8656822B1 (en) * | 2009-04-20 | 2014-02-25 | Armorworks Enterprises, Llc | Ballistic floor blanket |
| CN104893100A (en) * | 2015-05-29 | 2015-09-09 | 安徽顺彤包装材料有限公司 | Anti-explosion and anti-electrostatic material and preparation method thereof |
| CN105086060A (en) * | 2015-07-27 | 2015-11-25 | 江苏安普特防爆科技有限公司 | Polyolefin-kind high-molecular obstruction explosion-proof material and preparation method thereof |
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