CN117803774A - Multifunctional rubber hose and manufacturing method thereof - Google Patents
Multifunctional rubber hose and manufacturing method thereof Download PDFInfo
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- CN117803774A CN117803774A CN202311848215.4A CN202311848215A CN117803774A CN 117803774 A CN117803774 A CN 117803774A CN 202311848215 A CN202311848215 A CN 202311848215A CN 117803774 A CN117803774 A CN 117803774A
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- China
- Prior art keywords
- parts
- rubber hose
- multifunctional
- sepiolite
- protective layer
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 66
- 239000005060 rubber Substances 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000004113 Sepiolite Substances 0.000 claims abstract description 56
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 56
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 56
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- 239000010410 layer Substances 0.000 claims abstract description 30
- 239000000654 additive Substances 0.000 claims abstract description 27
- 230000000996 additive effect Effects 0.000 claims abstract description 26
- 239000011241 protective layer Substances 0.000 claims abstract description 24
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 16
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 16
- 239000002270 dispersing agent Substances 0.000 claims abstract description 16
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 239000004014 plasticizer Substances 0.000 claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 6
- 238000009941 weaving Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims description 19
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 claims description 18
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- -1 di-ester sebacate Chemical class 0.000 claims description 13
- 239000004952 Polyamide Substances 0.000 claims description 12
- 150000001412 amines Chemical class 0.000 claims description 12
- 229920002647 polyamide Polymers 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 11
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 9
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 9
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 229920000126 latex Polymers 0.000 claims description 9
- 239000004816 latex Substances 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 229940037312 stearamide Drugs 0.000 claims description 9
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 9
- 239000001993 wax Substances 0.000 claims description 9
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 8
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical group [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 239000002243 precursor Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- LNJAJHJFSKUCIR-UHFFFAOYSA-N ditert-butyl chloromethyl phosphate Chemical compound CC(C)(C)OP(=O)(OCCl)OC(C)(C)C LNJAJHJFSKUCIR-UHFFFAOYSA-N 0.000 claims description 5
- WUGQZFFCHPXWKQ-UHFFFAOYSA-N Propanolamine Chemical compound NCCCO WUGQZFFCHPXWKQ-UHFFFAOYSA-N 0.000 claims description 4
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 4
- 239000008116 calcium stearate Substances 0.000 claims description 4
- 235000013539 calcium stearate Nutrition 0.000 claims description 4
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- NKHAVTQWNUWKEO-NSCUHMNNSA-N monomethyl fumarate Chemical compound COC(=O)\C=C\C(O)=O NKHAVTQWNUWKEO-NSCUHMNNSA-N 0.000 claims description 4
- 229920006173 natural rubber latex Polymers 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- 229940116351 sebacate Drugs 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 4
- YYXFJSDMOVHLMJ-UHFFFAOYSA-N (4-hydroxyphenoxy)boronic acid Chemical compound OB(O)OC1=CC=C(O)C=C1 YYXFJSDMOVHLMJ-UHFFFAOYSA-N 0.000 claims description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- NKHAVTQWNUWKEO-UHFFFAOYSA-N fumaric acid monomethyl ester Natural products COC(=O)C=CC(O)=O NKHAVTQWNUWKEO-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229940005650 monomethyl fumarate Drugs 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 238000002390 rotary evaporation Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- NEHDRDVHPTWWFG-UHFFFAOYSA-N Dioctyl hexanedioate Chemical compound CCCCCCCCOC(=O)CCCCC(=O)OCCCCCCCC NEHDRDVHPTWWFG-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 12
- 230000007797 corrosion Effects 0.000 abstract description 12
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 22
- 238000002156 mixing Methods 0.000 description 18
- 238000012360 testing method Methods 0.000 description 10
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 229920000962 poly(amidoamine) Polymers 0.000 description 7
- 239000003063 flame retardant Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 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 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- LDCRTTXIJACKKU-ONEGZZNKSA-N dimethyl fumarate Chemical compound COC(=O)\C=C\C(=O)OC LDCRTTXIJACKKU-ONEGZZNKSA-N 0.000 description 2
- 229960004419 dimethyl fumarate Drugs 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 238000011895 specific detection Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- YDMRDHQUQIVWBE-UHFFFAOYSA-N (2-hydroxyphenyl)boronic acid Chemical compound OB(O)C1=CC=CC=C1O YDMRDHQUQIVWBE-UHFFFAOYSA-N 0.000 description 1
- COIQUVGFTILYGA-UHFFFAOYSA-N (4-hydroxyphenyl)boronic acid Chemical group OB(O)C1=CC=C(O)C=C1 COIQUVGFTILYGA-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- TZHYBRCGYCPGBQ-UHFFFAOYSA-N [B].[N] Chemical compound [B].[N] TZHYBRCGYCPGBQ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 1
- 229910000085 borane Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
-
- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to the technical field of rubber hoses, and discloses a multifunctional rubber hose and a manufacturing method thereof, wherein the multifunctional rubber hose sequentially comprises an inner protective layer, a tensile layer and an outer protective layer from inside to outside; wherein the tensile layer is formed by weaving aramid fiber on the inner protective layer, and the inner protective layer and the outer protective layer comprise the following raw materials: ethylene propylene diene monomer, fireproof toughening additive, plasticizer, anti-aging agent, adhesive, multifunctional sepiolite, lubricant, dispersant, vulcanizing agent and vulcanizing aid; the rubber hose prepared by the invention has excellent wear resistance, corrosion resistance, antibacterial mildew resistance, fireproof performance, high toughness, no buckling performance, high and low temperature resistance and insulating performance, multiple functions, good performance and wide application range, can effectively reduce the energy efficiency of inventory enhancement management, and has remarkable economic benefit.
Description
Technical Field
The invention relates to the technical field of rubber hoses, in particular to a multifunctional rubber hose and a manufacturing method thereof.
Background
Nowadays, along with the improvement of the technology level, the technology of equipment cooling is updated and iterated, an air cooling system and a liquid cooling system are taken as the two most common cooling modes at present, and air cooling heat dissipation is gradually replaced by liquid cooling heat dissipation due to relatively poor heat dissipation effect, low cooling efficiency, high environmental requirements and higher maintenance cost.
In the liquid cooling heat dissipation system, the cooling liquid is transmitted to each component needing cooling through the rubber hose and used as a carrier for cooling liquid transportation, complex environmental conditions in the equipment can easily influence the rubber hose, and the rubber hose can cause cooling liquid leakage or unsmooth flow once damaged, so that the normal operation of the equipment and the system is influenced, the equipment is damaged when serious, and economic loss is brought. In order to avoid the damage of the rubber hose caused by environmental factors as much as possible, the most commonly used method at present is to use rubber hoses with different performances in different environments, so that the rubber hoses are too many in variety, the problems of shortage of warehouse stock and low management efficiency of enterprises can occur, the waste of resources can be caused, and the concept of energy conservation, environmental protection and sustainable development is not met.
Under the background, the preparation of a rubber hose which can be suitable for various environments and has various properties becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a multifunctional rubber hose and a manufacturing method thereof, which solve the following technical problems: in the liquid cooling industry, the existing rubber hose has single functionality, can not be used in various occasions, and causes the problems of multiple stockings and low goods backlog management efficiency of enterprises.
The aim of the invention can be achieved by the following technical scheme:
a multifunctional rubber hose, which comprises an inner protective layer, a tensile layer and an outer protective layer from inside to outside in sequence; the tensile layer is formed by weaving aramid fibers on the inner protective layer, and the inner protective layer and the outer protective layer are made of blanks; the blank comprises the following raw materials in parts by weight: 60-80 parts of ethylene propylene diene monomer rubber, 10-15 parts of fireproof toughening additive, 2-3 parts of plasticizer, 2-4 parts of anti-aging agent, 3-5 parts of adhesive, 6-8 parts of multifunctional sepiolite, 1-3 parts of lubricant, 3-6 parts of dispersing agent, 5-10 parts of vulcanizing agent and 2-5 parts of vulcanizing aid.
Further, the plasticizer is any one of sebacate diester, dioctyl phthalate and dioctyl adipate; the anti-aging agent is any one of an anti-aging agent RD and an anti-aging agent 4010 NA; the adhesive is any one of natural rubber latex and styrene-butadiene rubber latex; the lubricant is any one of paraffin wax and polyethylene wax; the dispersing agent is any one of calcium stearate and stearamide; the vulcanizing agent is any one of dicumyl peroxide, benzoyl peroxide and sulfur; the vulcanization aid is any one of benzothiazole disulfide and 2-mercaptobenzothiazole.
Further, the preparation method of the blank comprises the following steps:
step one, ethylene propylene diene monomer, fireproof toughening additive, plasticizer, anti-aging agent, adhesive, multifunctional sepiolite, lubricant and dispersant are placed in a mixer, the rotating speed is set to be 250-300r/min, the materials are mixed for 1-2h at 115-125 ℃, and the materials are cooled and discharged to obtain a mixture;
and step two, placing the mixture into an internal mixer, heating to 100-120 ℃, adding a vulcanizing agent and a vulcanizing aid, setting the rotating speed to 200-300r/min, banburying for 3-5min, discharging glue and extruding to obtain the blank.
Further, the preparation method of the fireproof toughening additive comprises the following steps:
s1, placing polyamide amine into dimethyl sulfoxide, fully stirring and dissolving, adding 4-hydroxyphenylboric acid, performing ultrasonic dispersion for 20-30min, standing for 1-2h, removing a solvent by rotary evaporation, and collecting a product to obtain modified polyamide amine;
s2, placing the modified polyamide amine into ethyl acetate, adding di-tert-butyl chloromethyl phosphate and a catalyst, heating to 55-65 ℃ for reaction for 8-10h, and collecting a product after finishing to obtain the fireproof toughening additive.
In the scheme, an amino group in a polyamidoamine structure and a boron atom in 4-hydroxyphenylboronic acid form an N-B coordination bond to obtain modified polyamidoamine grafted with hydroxyphenylboronic acid, and under the action of a catalyst, hydroxyl in the modified polyamidoamine and di-tert-butyl chloromethyl phosphate undergo substitution reaction to obtain the fireproof toughening additive. The fireproof toughening additive takes the polyamidoamine as a matrix material, the polyamidoamine has good toughness, the impact absorption capacity and the energy dispersion capacity of the rubber tube can be effectively improved, meanwhile, the glass transition temperature of the rubber tube can be reduced, the service temperature range of the rubber tube is widened, the weather resistance of the rubber tube is improved, N-B coordination bonds exist among molecules of the fireproof toughening filler, the fireproof toughening additive has certain antibacterial performance, nitrogen and borane can be decomposed and released during fire, oxygen can be diluted, the burning rate of flame can be slowed down, a glassy protective film is formed, the combustible is wrapped, the purpose of flame retardance is achieved, and the phosphate groups in the structure can promote the combustible to be dehydrated and carbonized, and have a synergistic flame retardant effect with the phosphate groups, so that the prepared rubber tube has excellent fireproof flame retardant capacity, can prevent the spread of fire, reduce economic loss and protect life and property safety when equipment is in a fire.
Further, in step S2, the catalyst is potassium carbonate.
Further, the preparation method of the multifunctional sepiolite comprises the following steps:
SS1, placing sepiolite in acetone, adding 3-aminopropanol, performing ultrasonic dispersion for 15-20min, magnetically stirring, and performing suction filtration, washing and drying after the completion to obtain modified sepiolite;
and SS2, placing the modified sepiolite in toluene, performing ultrasonic dispersion for 10-15min, adding monomethyl fumarate and p-toluenesulfonic acid, performing temperature-rising reaction, filtering, washing and vacuum drying to obtain the multifunctional sepiolite.
In the scheme, through magnetic stirring, a large amount of silicon hydroxyl groups on the surface of the sepiolite interact with amino groups in a 3-aminopropanol structure to obtain the modified sepiolite with active hydroxyl groups on the surface, and then under the action of p-toluenesulfonic acid, the hydroxyl groups on the surface of the modified sepiolite and carboxyl groups in a monomethyl fumarate structure are subjected to esterification reaction to obtain the multifunctional sepiolite. The multifunctional sepiolite has the advantages that the surface of the sepiolite has active alkenyl groups, the sepiolite can generate a crosslinking reaction with an ethylene propylene diene monomer matrix to form a net structure, the sepiolite can be uniformly dispersed in a matrix material of a rubber hose, the wear resistance of the rubber hose is improved, meanwhile, when the rubber hose is impacted by external force, the change of stress can be buffered, the toughness of the rubber hose is improved, the cohesive force of the rubber hose is enhanced, the corrosion resistance and the high and low temperature resistance of the rubber hose can be improved, the methyl fumarate is used as a mildew-proof antibacterial agent, the methyl fumarate is harmless to a human body, the cell membrane of the mildew can be damaged, the protein in cells is denatured, the metabolism of bacteria is inhibited, and the sepiolite is connected to the surface in a grafting mode, so that the sepiolite can be uniformly dispersed in the rubber hose, the antibacterial and mildew-proof capabilities of the rubber hose are improved, and small-molecule effective substances can be prevented from being separated out when the rubber hose is used for a long time, so that the rubber hose has a long-lasting antibacterial and mildew-proof effect, and a long service life.
Further, in step SS1, the sepiolite mesh number is 200-325 mesh.
Further, in the step SS2, the temperature of the heating reaction is 90-110 ℃ for 5-6 hours.
A manufacturing method of a multifunctional rubber hose comprises the following steps:
(1) Extruding and molding one half of the blank on the core rod to obtain an inner protective layer;
(2) Weaving aramid fiber on the inner protective layer to obtain a tensile layer;
(3) Extruding and molding the residual blank on the tensile layer to obtain an outer protective layer, and cooling to obtain a rubber hose precursor;
(4) And (3) placing the rubber hose precursor into a vulcanizing tank for vulcanizing, and obtaining the rubber hose after the vulcanization is completed.
Further, in the step (4), the vulcanizing temperature is 155-170 ℃ and the vulcanizing time is 25-35min.
The invention has the beneficial effects that:
according to the invention, the fireproof toughening additive and the multifunctional sepiolite are prepared and participate in the preparation process of the inner sheath and the outer sheath blanks of the rubber hose, so that the prepared rubber hose has excellent wear resistance, corrosion resistance, antibacterial mildew resistance, fireproof performance, high toughness, no-buckling performance and high and low temperature resistance, the base material is ethylene propylene diene monomer rubber, and has certain wear resistance and corrosion resistance, and good insulativity, so that the volume resistivity of the finally prepared multifunctional rubber hose is up to 8.7e15, the flame retardant level reaches V-0 level, the acid and alkali corrosion resistance time is more than 10d, the antibacterial rate is more than 99.0%, the tensile strength is more than 16, the elongation at break is more than 415%, and the volume abrasion is as low as 120mm 2 Meanwhile, the high-low temperature resistant performance is excellent, the use requirements of various environments can be met, the functions are multiple, the performance is good, the application range is wide, the enterprise inventory can be effectively reduced, the management efficiency is enhanced, and remarkable economic benefits are brought.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an infrared spectrum of a fire-retardant toughening additive according to an embodiment of the present invention;
FIG. 2 is a graph showing particle size distribution of sepiolite and multi-functional sepiolite in a dispersion medium according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following examples and comparative examples of the present invention, the fireproof additives used and the preparation method of the multifunctional sepiolite were as follows:
1. preparation of fireproof toughening additive
S1, placing 3g of polyamide amine into 50ml of dimethyl sulfoxide, fully stirring and dissolving, adding 2g of 4-hydroxyphenylboric acid, performing ultrasonic dispersion for 20min, standing for 1h, removing a solvent by rotary evaporation, and collecting a product to obtain modified polyamide amine;
s2, placing 3.5g of modified polyamide amine into 80ml of ethyl acetate, adding 2.5g of di-tert-butyl chloromethyl phosphate and 0.03g of potassium carbonate, heating to 55 ℃ for reaction for 8 hours, and collecting a product after the reaction is finished to obtain the fireproof toughening additive.
The infrared spectrum test was carried out by mixing and grinding the fireproof toughening additive and potassium bromide and tabletting the mixture by using a Fourier infrared spectrometer, and 2152cm was found in FIG. 1 -1 The absorption peak of nitrogen-boron bond is 1643cm -1 Is characterized by an absorption peak of carbon-oxygen double bond in amide, 1554cm -1 The absorption peak of carbon-nitrogen bond is 1450cm -1 The absorption peak of boron-oxygen bond is 1200cm -1 Is characterized by an absorption peak of phosphorus-oxygen double bond in phosphate, 1102cm -1 The absorption peak of ether bond is 1102cm -1 Ether linkage at 1200cm -1 The presence of carbon-oxygen double bonds in the phosphate indicates that the hydroxyl groups in the modified polyamidoamine structure undergo substitution reaction with the active chlorine in the di-tert-butyl chloromethyl phosphate structure.
2. Preparation of multifunctional sepiolite
SS1, placing 2g of sepiolite in 100ml of acetone, adding 3ml of 3-aminopropanol, performing ultrasonic dispersion for 15min, magnetically stirring for 6h, and performing suction filtration, washing and drying after the completion to obtain modified sepiolite;
SS2, putting 2.5g of modified sepiolite into 120m l toluene, dispersing for 10min by ultrasonic, adding 3g of monomethyl fumarate and 0.1g of p-toluenesulfonic acid, heating to 90 ℃, reacting for 5h, filtering, washing and drying in vacuum to obtain the multifunctional sepiolite.
By carrying out particle size distribution test on sepiolite and multifunctional sepiolite, the particle size distribution is shown in figure 2, and as can be seen from figure 2, the particle size of the sepiolite is mainly distributed between 700 and 1100nm, the particle size distribution is wider due to the aggregation phenomenon of the sepiolite in a dispersion medium, the particle size of the multifunctional sepiolite is mainly distributed between 450 and 800nm, the particle size distribution is narrowed, and the dispersibility of the multifunctional sepiolite in the medium is enhanced after the multifunctional sepiolite is organically modified.
Example 1
Preparation of rubber hose inner protection layer and outer protection layer blanks
Step one, placing 60 parts of ethylene propylene diene monomer rubber, 10 parts of fireproof toughening additive, 2 parts of plasticizer sebacate diester, 2 parts of antioxidant RD, 3 parts of natural rubber latex, 6 parts of multifunctional sepiolite, 1 part of lubricant paraffin and 3 parts of dispersing agent calcium stearate in a mixer, setting the rotating speed to be 250r/min, mixing for 1h at 115 ℃, cooling and discharging to obtain a mixture;
step two, placing the mixture into an internal mixer, heating to 100 ℃, adding 5 parts of dicumyl peroxide and 2 parts of co-vulcanizing agent benzothiazole disulfide, setting the rotating speed to 200r/min, carrying out internal mixing for 3min, discharging glue, and extruding to obtain the blank.
Example 2
Preparation of rubber hose inner protection layer and outer protection layer blanks
Step one, placing 70 parts of ethylene propylene diene monomer rubber, 12 parts of fireproof toughening additive, 2.5 parts of plasticizer dioctyl phthalate, 3 parts of anti-aging agent 4010NA, 4 parts of styrene-butadiene rubber latex, 7 parts of multifunctional sepiolite, 2 parts of lubricant polyethylene wax and 4 parts of dispersing agent stearamide in a mixer, setting the rotating speed to be 280r/min, mixing for 1.5 hours at 120 ℃, cooling and discharging to obtain a mixture;
step two, placing the mixture into an internal mixer, heating to 110 ℃, adding 7 parts of benzoyl peroxide and 2 parts of co-vulcanizing agent 2-mercaptobenzothiazole, setting the rotating speed to 250r/min, carrying out internal mixing for 4min, discharging glue, and extruding to obtain the blank.
Example 3
Preparation of rubber hose inner protection layer and outer protection layer blanks
Step one, placing 80 parts of ethylene propylene diene monomer rubber, 15 parts of fireproof toughening additive, 3 parts of plasticizer sebacate diester, 3 parts of antioxidant RD, 5 parts of natural rubber latex, 8 parts of multifunctional sepiolite, 3 parts of lubricant paraffin and 6 parts of dispersing agent calcium stearate in a mixer, setting the rotating speed to 300r/min, mixing for 2 hours at 125 ℃, cooling and discharging to obtain a mixture;
step two, placing the mixture into an internal mixer, heating to 120 ℃, adding 10 parts of sulfur and 5 parts of auxiliary vulcanizing agent benzothiazole disulfide, setting the rotating speed to 300r/min, banburying for 5min, discharging glue and extruding to obtain the blank.
Comparative example 1
Preparation of rubber hose inner protection layer and outer protection layer blanks
Step one, placing 70 parts of ethylene propylene diene monomer, 2.5 parts of plasticizer dioctyl phthalate, 3 parts of antioxidant 4010NA, 4 parts of styrene-butadiene rubber latex, 7 parts of multifunctional sepiolite, 2 parts of lubricant polyethylene wax and 4 parts of dispersing agent stearamide in a mixer, setting the rotating speed to be 280r/min, mixing for 1.5 hours at 120 ℃, cooling and discharging to obtain a mixture;
step two, placing the mixture into an internal mixer, heating to 110 ℃, adding 7 parts of benzoyl peroxide and 2 parts of co-vulcanizing agent 2-mercaptobenzothiazole, setting the rotating speed to 250r/min, carrying out internal mixing for 4min, discharging glue, and extruding to obtain the blank.
Comparative example 2
Preparation of rubber hose inner protection layer and outer protection layer blanks
Step one, placing 70 parts of ethylene propylene diene monomer rubber, 12 parts of fireproof toughening additive, 2.5 parts of plasticizer dioctyl phthalate, 3 parts of anti-aging agent 4010NA, 4 parts of styrene-butadiene rubber latex, 2 parts of lubricant polyethylene wax and 4 parts of dispersing agent stearamide into a mixer, setting the rotating speed to be 280r/min, mixing at 120 ℃ for 1.5 hours, cooling and discharging to obtain a mixture;
step two, placing the mixture into an internal mixer, heating to 110 ℃, adding 7 parts of benzoyl peroxide and 2 parts of co-vulcanizing agent 2-mercaptobenzothiazole, setting the rotating speed to 250r/min, carrying out internal mixing for 4min, discharging glue, and extruding to obtain the blank.
Comparative example 3
Preparation of rubber hose inner protection layer and outer protection layer blanks
Step one, placing 70 parts of ethylene propylene diene monomer, 2.5 parts of plasticizer dioctyl phthalate, 3 parts of antioxidant 4010NA, 4 parts of styrene-butadiene rubber latex, 2 parts of lubricant polyethylene wax and 4 parts of dispersing agent stearamide in a mixer, setting the rotating speed to be 280r/min, mixing for 1.5 hours at 120 ℃, cooling and discharging to obtain a mixture;
step two, placing the mixture into an internal mixer, heating to 110 ℃, adding 7 parts of benzoyl peroxide and 2 parts of co-vulcanizing agent 2-mercaptobenzothiazole, setting the rotating speed to 250r/min, carrying out internal mixing for 4min, discharging glue, and extruding to obtain the blank.
Comparative example 4
Preparation of rubber hose inner protection layer and outer protection layer blanks
Step one, placing 70 parts of ethylene propylene diene monomer, 12 parts of polyamide amine, 2.5 parts of plasticizer dioctyl phthalate, 3 parts of anti-aging agent 4010NA, 4 parts of styrene-butadiene rubber latex, 7 parts of multifunctional sepiolite, 2 parts of lubricant polyethylene wax and 4 parts of dispersing agent stearamide in a mixer, setting the rotating speed to be 280r/min, mixing for 1.5 hours at 120 ℃, cooling and discharging to obtain a mixture;
step two, placing the mixture into an internal mixer, heating to 110 ℃, adding 7 parts of benzoyl peroxide and 2 parts of co-vulcanizing agent 2-mercaptobenzothiazole, setting the rotating speed to 250r/min, carrying out internal mixing for 4min, discharging glue, and extruding to obtain the blank.
Comparative example 5
Preparation of rubber hose inner protection layer and outer protection layer blanks
Step one, placing 70 parts of ethylene propylene diene monomer, 12 parts of modified polyamide amine, 2.5 parts of plasticizer dioctyl phthalate, 3 parts of anti-aging agent 4010NA, 4 parts of styrene-butadiene rubber latex, 7 parts of multifunctional sepiolite, 2 parts of lubricant polyethylene wax and 4 parts of dispersing agent stearamide in a mixer, setting the rotating speed to be 280r/min, mixing for 1.5 hours at 120 ℃, cooling and discharging to obtain a mixture;
step two, placing the mixture into an internal mixer, heating to 110 ℃, adding 7 parts of benzoyl peroxide and 2 parts of co-vulcanizing agent 2-mercaptobenzothiazole, setting the rotating speed to 250r/min, carrying out internal mixing for 4min, discharging glue, and extruding to obtain the blank.
Comparative example 6
Preparation of rubber hose inner protection layer and outer protection layer blanks
Step one, placing 70 parts of ethylene propylene diene monomer, 12 parts of fireproof toughening additive, 2.5 parts of plasticizer dioctyl phthalate, 3 parts of anti-aging agent 4010NA, 4 parts of styrene-butadiene rubber latex, 7 parts of sepiolite, 2 parts of lubricant polyethylene wax and 4 parts of dispersing agent stearamide in a mixer, setting the rotating speed to be 280r/min, mixing for 1.5 hours at 120 ℃, cooling and discharging to obtain a mixture;
step two, placing the mixture into an internal mixer, heating to 110 ℃, adding 7 parts of benzoyl peroxide and 2 parts of co-vulcanizing agent 2-mercaptobenzothiazole, setting the rotating speed to 250r/min, carrying out internal mixing for 4min, discharging glue, and extruding to obtain the blank.
Performance detection
(1) Placing the blanks prepared in the examples 1-3 and the comparative examples 1-6 in a flat vulcanizing machine at 155 ℃ for vulcanizing for 25min to prepare samples meeting the specification, testing the tensile strength and elongation at break of the samples according to the standard GB/T528-2009, judging the tensile strength and toughness of the samples, testing the tensile strength of the samples treated for 72h in a 120-DEG oven and testing the tensile strength of the samples treated for 72h in a 40-DEG low-temperature box, and judging the high-temperature and low-temperature resistance of the samples; carrying out abrasion resistance test on the sample by referring to the standard GB/T9867-2008, and judging the abrasion resistance of the sample; the specific detection results are shown in the following table:
as can be seen from the above table, the samples prepared in examples 1 to 3 were kept at higher levels in terms of high and low temperature resistance, tensile strength, toughness, and abrasion resistance, the samples prepared in comparative example 1 were not added with the fireproof toughening additive, toughness was inferior to that of the examples, but the multifunctional sepiolite was added therein to form a crosslinked structure, so that the samples prepared in comparative example 2 were not added with the multifunctional sepiolite, did not form a crosslinked structure, and were inferior to that of the examples, and because the fireproof toughening additive was added therein, toughness was good, the samples prepared in comparative example 3 were not added with the fireproof toughening additive, nor were the multifunctional sepiolite was added, so that the samples prepared in comparative example 4 and comparative example 5 were directly added with the polyamide amine, respectively, the multifunctional sepiolite was added therein to form a crosslinked structure, so that the samples prepared in comparative example 6 were not added with the multifunctional sepiolite, and the samples were not directly modified in terms of the appearance of the examples were inferior to that the examples were agglomerated.
(2) Preparing the blanks prepared in the examples 1-3 and the comparative examples 1-6 into samples meeting the specification, and testing the volume resistivity of the samples with reference to the standard GB/T31838.2-2019 to judge the insulating property of the samples; referring to UL-94 flame retardant grade standard, performing a vertical burning test on the sample to judge the fireproof performance of the sample; respectively soaking a sample in hydrochloric acid solution and sodium hydroxide solution with mass fraction of 10%, observing and recording the time of surface corrosion exceeding 20%, judging the corrosion resistance of the sample, and indicating that the corrosion resistance is better when the time is longer; selecting activated mould and escherichia coli mixed strain, culturing for 12h, regulating pH to 7, adding Tween 80 as experimental bacterial liquid, dripping 0.4m l experimental bacterial liquid on a sample, covering a medical PE film, and coating the medical PE film with a pH of 0.1mW/cm -1 After elution with phosphate buffer for 6h, plate coating, counting bacteria on the plate after 12h, and simultaneously performing a blank test, wherein the bacteriostasis rate is calculated by the following formula:
wherein A is 0 The viable count after culture in the blank test; a is the number of viable bacteria in the sample after culture; the specific detection results are shown in the following table:
as can be seen from the above table, the samples prepared in examples 1 to 3 all have excellent insulation properties, fireproof properties, corrosion resistance and antibacterial and mildew resistance, the samples prepared in comparative examples 1 to 6 all have excellent insulation properties, the samples prepared in comparative example 1 have excellent corrosion resistance and antibacterial properties, the samples prepared in comparative example 2 have very strong fireproof properties but corrosion resistance comparable to those of the examples, and the antibacterial properties are poor, the samples prepared in comparative example 3 have poor fireproof properties, corrosion resistance and antibacterial properties, the samples prepared in comparative example 4 have poor fireproof properties but good antibacterial properties, the samples prepared in comparative example 5 have a certain fireproof property due to the synergistic flame retardant effect of nitrogen-boron coordination bonds formed in the modified polyamidoamine, and the samples prepared in comparative example 6 have general fireproof properties due to aggregation occurring in the matrix material due to the directly added sepiolite despite the addition of the fireproof toughening additive.
The inner sheath and the outer sheath blanks of the rubber hose prepared in the embodiment 1-3 are adopted to respectively manufacture the multifunctional rubber hose, and the specific manufacturing method comprises the following steps:
(1) Extruding and molding one half of the blank on the core rod to obtain an inner protective layer;
(2) Weaving aramid fiber on the inner protective layer to obtain a tensile layer;
(3) Extruding and molding the residual blank on the tensile layer to obtain an outer protective layer, and cooling to obtain a rubber hose precursor;
(4) And (3) placing the rubber hose precursor into a vulcanizing tank, vulcanizing at 155 ℃ for 25min, and obtaining the rubber hose after the completion.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing is merely illustrative and explanatory of the principles of the invention, as various modifications and additions may be made to the specific embodiments described, or similar alternatives may be made by those skilled in the art, without departing from the scope of the invention as defined by the principles of the invention.
Claims (10)
1. The multifunctional rubber hose is characterized by sequentially comprising an inner protective layer, a tensile layer and an outer protective layer from inside to outside; the tensile layer is formed by weaving aramid fibers on the inner protective layer, and the inner protective layer and the outer protective layer are made of blanks; the blank comprises the following raw materials in parts by weight: 60-80 parts of ethylene propylene diene monomer rubber, 10-15 parts of fireproof toughening additive, 2-3 parts of plasticizer, 2-4 parts of anti-aging agent, 3-5 parts of adhesive, 6-8 parts of multifunctional sepiolite, 1-3 parts of lubricant, 3-6 parts of dispersing agent, 5-10 parts of vulcanizing agent and 2-5 parts of vulcanizing aid.
2. The multifunctional rubber hose according to claim 1, wherein the plasticizer is any one of di-ester sebacate, di-octyl phthalate, di-octyl adipate; the anti-aging agent is any one of an anti-aging agent RD and an anti-aging agent 4010 NA; the adhesive is any one of natural rubber latex and styrene-butadiene rubber latex; the lubricant is any one of paraffin wax and polyethylene wax; the dispersing agent is any one of calcium stearate and stearamide; the vulcanizing agent is any one of dicumyl peroxide, benzoyl peroxide and sulfur; the vulcanization aid is any one of benzothiazole disulfide and 2-mercaptobenzothiazole.
3. The multifunctional rubber hose according to claim 1, wherein the method for preparing the blank comprises the steps of:
step one, ethylene propylene diene monomer, fireproof toughening additive, plasticizer, anti-aging agent, adhesive, multifunctional sepiolite, lubricant and dispersant are placed in a mixer, the rotating speed is set to be 250-300r/min, the materials are mixed for 1-2h at 115-125 ℃, and the materials are cooled and discharged to obtain a mixture;
and step two, placing the mixture into an internal mixer, heating to 100-120 ℃, adding a vulcanizing agent and a vulcanizing aid, setting the rotating speed to 200-300r/min, banburying for 3-5min, discharging glue and extruding to obtain the blank.
4. The multifunctional rubber hose according to claim 1, wherein the preparation method of the fireproof toughening additive comprises the following steps:
s1, placing polyamide amine into dimethyl sulfoxide, fully stirring and dissolving, adding 4-hydroxyphenylboric acid, performing ultrasonic dispersion for 20-30min, standing for 1-2h, removing a solvent by rotary evaporation, and collecting a product to obtain modified polyamide amine;
s2, placing the modified polyamide amine into ethyl acetate, adding di-tert-butyl chloromethyl phosphate and a catalyst, heating to 55-65 ℃ for reaction for 8-10h, and collecting a product after finishing to obtain the fireproof toughening additive.
5. The multifunctional rubber hose according to claim 4, wherein in step S2, the catalyst is potassium carbonate.
6. The multifunctional rubber hose according to claim 1, wherein the preparation method of the multifunctional sepiolite comprises the following steps:
SS1, placing sepiolite in acetone, adding 3-aminopropanol, performing ultrasonic dispersion for 15-20min, magnetically stirring, and performing suction filtration, washing and drying after the completion to obtain modified sepiolite;
and SS2, placing the modified sepiolite in toluene, performing ultrasonic dispersion for 10-15min, adding monomethyl fumarate and p-toluenesulfonic acid, performing temperature-rising reaction, filtering, washing and vacuum drying to obtain the multifunctional sepiolite.
7. The multifunctional rubber hose according to claim 6, wherein in step SS1, the sepiolite mesh number is 200-325 mesh.
8. The multifunctional rubber hose according to claim 6, wherein in step SS2, the temperature-raising reaction temperature is 90-110 ℃ for 5-6 hours.
9. A method of making a multi-functional rubber hose according to claim 1, comprising the steps of:
(1) Extruding and molding one half of the blank on the core rod to obtain an inner protective layer;
(2) Weaving aramid fiber on the inner protective layer to obtain a tensile layer;
(3) Extruding and molding the residual blank on the tensile layer to obtain an outer protective layer, and cooling to obtain a rubber hose precursor;
(4) And (3) placing the rubber hose precursor into a vulcanizing tank for vulcanizing, and obtaining the rubber hose after the vulcanization is completed.
10. The method of claim 9, wherein in the step (4), the vulcanizing temperature is 155-170 ℃ and the vulcanizing time is 25-35min.
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