CN108384488B - Water-swelling flame-retardant antirust non-drying sealant for anchorage devices and cables and preparation method thereof - Google Patents
Water-swelling flame-retardant antirust non-drying sealant for anchorage devices and cables and preparation method thereof Download PDFInfo
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- CN108384488B CN108384488B CN201810230838.8A CN201810230838A CN108384488B CN 108384488 B CN108384488 B CN 108384488B CN 201810230838 A CN201810230838 A CN 201810230838A CN 108384488 B CN108384488 B CN 108384488B
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- retardant
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 97
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 239000000565 sealant Substances 0.000 title claims abstract description 70
- 238000001035 drying Methods 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title claims description 9
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 60
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 29
- 239000013556 antirust agent Substances 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 24
- 239000004014 plasticizer Substances 0.000 claims abstract description 21
- 239000007822 coupling agent Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 229920002545 silicone oil Polymers 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000011259 mixed solution Substances 0.000 claims description 28
- 238000002156 mixing Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 7
- 229920000388 Polyphosphate Polymers 0.000 claims description 7
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 7
- 229910021485 fumed silica Inorganic materials 0.000 claims description 7
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000001205 polyphosphate Substances 0.000 claims description 7
- 235000011176 polyphosphates Nutrition 0.000 claims description 7
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 claims description 7
- 150000003751 zinc Chemical class 0.000 claims description 7
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 6
- 150000004982 aromatic amines Chemical class 0.000 claims description 6
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 6
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005536 corrosion prevention Methods 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 3
- 230000005764 inhibitory process Effects 0.000 abstract description 3
- 239000003595 mist Substances 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000003973 paint Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
- 239000000347 magnesium hydroxide Substances 0.000 description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 229960002380 dibutyl phthalate Drugs 0.000 description 2
- 229940023462 paste product Drugs 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 description 2
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- KSTMQPBYFFFVFI-UHFFFAOYSA-N 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene Chemical compound C1=CC(OC)=CC=C1P(=O)(C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 KSTMQPBYFFFVFI-UHFFFAOYSA-N 0.000 description 1
- 229920005987 OPPANOL® Polymers 0.000 description 1
- 229920002428 Oppanol® B 15 N Polymers 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- XZTOTRSSGPPNTB-UHFFFAOYSA-N phosphono dihydrogen phosphate;1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(N)=N1.OP(O)(=O)OP(O)(O)=O XZTOTRSSGPPNTB-UHFFFAOYSA-N 0.000 description 1
- 239000004587 polysulfide sealant Substances 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 235000011178 triphosphate Nutrition 0.000 description 1
- 239000001226 triphosphate Substances 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
A water-swelling flame-retardant antirust non-drying sealant for anchors and cables is a mixture consisting of the following components in parts by weight: 35-60 parts of polyisobutylene, 10-25 parts of silicone oil, 5-20 parts of plasticizer, 20-50 parts of filler, 5-15 parts of antirust agent, 2-5 parts of antioxidant, 1-3 parts of coupling agent, 5-20 parts of flame retardant and 5-20 parts of water-absorbing expansion resin. The manufacturing method comprises the following steps: sequentially putting the components into a heating container, keeping a certain temperature and stirring to prepare the water-based paint. The sealing paste has the advantages of difficult combustion, good flame retardant effect, high air tightness, strong adhesive force, strong salt mist resistance, capability of forming a protective film on the metal surface, long corrosion inhibition period, rapid expansion when meeting water, sealing each gap in the steel strand to prevent water molecules from passing through and the like, thereby playing the roles of sealing the cable, preventing water and resisting damp; the filling agent is suitable for filling and corrosion prevention of main cables, cable bodies, conduits, anchorage devices and the like of bridge cables.
Description
Technical Field
The invention relates to an anti-corrosion sealing material and a preparation method thereof, in particular to a water-swellable flame-retardant antirust non-drying sealing paste for anchors and cables and a preparation method thereof, which is suitable for corrosion prevention of bridge cables and anchor heads.
Background
At present, in order to solve the problem of corrosion of a steel strand of a cable, a main cable of a suspension bridge is mainly coated with non-vulcanized rubber non-drying sealant and polysulfide sealant; and the anchor head and the embedded pipe are mainly filled with anti-corrosion grease. In the actual use process, the materials have certain defects, for example, the non-vulcanized rubber non-drying sealant can only play a role in sealing, a compact protective film cannot be formed on the surface of metal, and once the sealant leaks and fills or runs off, the steel strand is exposed in the air and is corroded; the anti-corrosion grease has poor stability and is easy to deteriorate, the deteriorated grease seeps out of the protective cover and cannot effectively protect the steel strand for a long time, and meanwhile, the dropped grease also has adverse effects on the environment. In addition, in the operation process of the bridge, fire disasters occur inevitably, once the guy cable is used as a core stress component of the bridge and is damaged, the bridge can be collapsed, and the consequences cannot be estimated.
Therefore, it is required that a large amount of anticorrosive material filled in the bridge cable should have the following functions: (1) waterproof and antirust functions: even if the leakage irrigation is carried out during the construction of pouring the anticorrosive material, the waterproof and antirust effects can be achieved. (2) Aging resistance of the material: the material can withstand the test of different outdoor environments, cannot lose the waterproof and antirust functions and produce some products which are not friendly to the environment; (3) and (3) a flame retardant function: when a fire disaster happens, the expansion of the disaster situation is effectively delayed; the development of the anti-corrosion material filled in the bridge cable with the above functions is a critical technical problem to be solved.
Disclosure of Invention
The invention aims to provide a water-swelling flame-retardant antirust non-drying sealant for anchors and cables and a preparation method thereof, the water-swelling flame-retardant antirust non-drying sealant for anchors and cables is not easy to burn, has good flame-retardant effect, high air tightness, strong adhesive force and strong salt mist resistance, can form a protective film on the metal surface, has long corrosion inhibition period, can rapidly swell when meeting water, seals each gap in a steel strand to prevent water molecules from passing through, thereby playing the roles of cable sealing, water proofing and moisture proofing, and being suitable for filling and corrosion prevention of main cables, cable bodies, conduits, anchors and the like of bridge cables; the anti-corrosion problem of the existing cable steel strand and anchor head is solved.
The technical scheme for solving the problems is as follows: the utility model provides a water-swelling flame-retardant rust-resistant non-drying sealant for ground tackle, cable which characterized in that: the water-swelling flame-retardant antirust non-drying sealant for anchors and cables is a mixture consisting of the following components in parts by weight:
35-60 parts of polyisobutylene, 10-25 parts of silicone oil,
5 to 20 parts by weight of a plasticizer, 20 to 50 parts by weight of a filler,
5-15 parts of antirust agent, 2-5 parts of antioxidant,
1-3 parts of coupling agent, 5-20 parts of flame retardant,
5-20 parts of water-swellable resin.
The further technical scheme of the water-swelling flame-retardant antirust non-drying sealant for the anchorage device and the cable is as follows: the polyisobutylene is one or more of low molecular weight polyisobutylene, medium molecular weight polyisobutylene and high molecular weight polyisobutylene, and the number average molecular weight range of the polyisobutylene is 200-.
The plasticizer is one or more of phthalate and/or phosphate plasticizers.
The filler is one or more of fumed silica, calcium carbonate, montmorillonite or talcum powder filler.
The antirust agent is one or more of sulfonate, chromate, silicate, molybdate, tungstate, polyphosphate or/and zinc salt antirust agents.
The antioxidant is one or more of aromatic amine antioxidant or hindered phenol antioxidant.
The coupling agent is a silane coupling agent.
The flame retardant is one or more of phosphorus flame retardants, aluminum magnesium flame retardants or nitrogen flame retardants.
Another related technical scheme is as follows: the invention discloses a preparation method of a water-swelling flame-retardant antirust non-drying sealant for anchors and cables, which is used for preparing the water-swelling flame-retardant antirust non-drying sealant for anchors and cables, and comprises the following steps: the water-swelling flame-retardant antirust non-drying sealant for anchors and cables is a mixture consisting of the following components in parts by weight:
35-60 parts of polyisobutylene, 10-25 parts of silicone oil,
5 to 20 parts by weight of a plasticizer, 20 to 50 parts by weight of a filler,
5-15 parts of antirust agent, 2-5 parts of antioxidant,
1-3 parts of coupling agent, 5-20 parts of flame retardant,
5-20 parts by weight of water-swellable resin;
the manufacturing process comprises the following steps:
A. preparing materials:
preparing each component material in the mixture according to the proportion according to the quantity of the water-swelling flame-retardant rust-proof non-drying sealant for anchors and cables to be prepared;
B. preparing a mixed solution I:
sequentially adding polyisobutylene, silicone oil and a plasticizer into a heating container in proportion, heating and melting, controlling the temperature of the heating container at 50-150 ℃, blending and stirring for 10-20 min in a vacuum state at a stirring speed of 100-150 revolutions per minute to obtain a mixed solution I;
C. preparing a mixed solution II:
adding a filler into the mixed solution I after melting and mixing uniformly, controlling the temperature at 50-150 ℃, and blending and stirring for 20-40 min in a vacuum state at a stirring speed of 100-150 revolutions per minute to obtain a mixed solution II;
D. preparing a water-swelling flame-retardant antirust non-drying sealant product:
and C, adding an antirust agent, an antioxidant, a coupling agent, a flame retardant and water-swellable resin into the mixed solution II obtained in the step C in proportion, controlling the temperature to be 50-150 ℃, blending and stirring for 10-20 min in a vacuum state at the stirring speed of 100-150 rpm, and discharging to obtain the water-swellable flame-retardant antirust non-drying sealant product.
The preparation method of the water-swelling flame-retardant antirust non-drying sealant for anchors and cables has the further technical scheme that: the polyisobutylene is one or more of low molecular weight polyisobutylene, medium molecular weight polyisobutylene or high molecular weight polyisobutylene, and the number average molecular weight range of the polyisobutylene is 200-.
The plasticizer is one or more of phthalate and/or phosphate plasticizers.
The filler is one or more of fumed silica, calcium carbonate, montmorillonite or talcum powder filler.
The antirust agent is one or more of sulfonate, chromate, silicate, molybdate, tungstate, polyphosphate or/and zinc salt antirust agents.
The antioxidant is one or more of aromatic amine antioxidant or hindered phenol antioxidant.
The coupling agent is a silane coupling agent.
The flame retardant is one or more of phosphorus flame retardants, aluminum magnesium flame retardants or nitrogen flame retardants.
The water-swellable flame-retardant antirust non-drying sealant for anchors and cables comprises the following main components in physical and chemical properties and effects:
the main component of the polyisobutylene belongs to a saturated hydrocarbon compound, and the polyisobutylene has excellent air tightness, adhesiveness and chemical resistance, the aggregation state and the property of the polyisobutylene depend on molecular weight and molecular weight distribution, the polyisobutylene with low molecular weight (the number average molecular weight = 200-; the sealing paste can be endowed with certain adhesiveness, heat resistance and mechanical strength by adopting the combination of polyisobutene with different molecular weights as a base material.
The silicone oil has a certain defoaming effect, and is beneficial to improving the appearance of the sealing paste and the construction quality when the thin layer is coated; in addition, the silicone oil can form a layer of compact oil film on the surface of the metal, so that the metal material is protected for a long time.
Plasticizers can improve the elasticity, consistency and rheology of the sealant.
The filler is a mixture compounded by one or more of silicon dioxide, calcium carbonate, montmorillonite and talcum powder, and can improve the rheological property of the sealant and reduce the production cost.
The antirust agent is a mixture compounded by one or more of sulfonate, chromate, silicate, molybdate, tungstate, polyphosphate or zinc salt antirust agents, and a layer of compact protective film is formed on the surface of metal by utilizing the synergistic action of the sulfonate, chromate, silicate, molybdate, tungstate, polyphosphate or zinc salt antirust agent, so that the antirust capability of the sealant is improved.
The antioxidant is a mixture compounded by one or more of aromatic amine antioxidants or hindered phenol antioxidants, and mainly aims to improve the antioxidant capacity of the sealant and delay the thermo-oxidative aging process of the sealant in the using process.
The coupling agent is mainly silane coupling agent, and its main function is to raise the adhesive strength and adhesive range of the sealing paste.
The flame retardant is one or more of phosphorus flame retardants, aluminum-magnesium flame retardants or nitrogen flame retardants, and the auxiliary agent is added to ensure that the sealant has flame retardant performance, can play a certain role in protecting the stay cable when a fire disaster occurs, and delays the occurrence of the disaster.
Water-swellable resins which swell rapidly upon contact with water; when pouring corrosion-resistant construction, even if the leakage pouring construction is performed to enable partial gaps to exist in the steel strand, the sealing paste can be rapidly expanded when meeting water, all the gaps in the sealing paste can be sealed, water molecules are prevented from passing through the sealing paste, and therefore the effects of sealing the cable, preventing water and resisting damp are achieved.
Due to the combined action of the components, the water-swelling flame-retardant antirust non-drying sealing paste for the anchorage and the cable has the advantages of difficult combustion, good flame-retardant effect, high air tightness, strong adhesive force and strong salt mist resistance, can form a protective film on the metal surface, has long corrosion inhibition period, can rapidly expand when meeting water, seals each gap in a steel strand to prevent water molecules from passing through, thereby playing the functions of sealing the cable, preventing water and moisture, and is suitable for filling and corrosion prevention of main cables, cable bodies, conduits, anchorages and the like of bridge cables, and the technical performance indexes of the sealing paste are referred to as 'attached table two': a summary of performance test results of water-swelling flame-retardant antirust non-drying sealant for anchorage devices and cables.
Detailed Description
The first embodiment is as follows:
a water-swelling flame-retardant antirust non-drying sealant for anchors and cables and a manufacturing method thereof are disclosed as follows:
the water-swelling flame-retardant antirust non-drying sealant for anchors and cables is a mixture consisting of the following components in parts by weight:
55 parts by weight of polyisobutylene including 40 parts by weight of low molecular weight polyisobutylene (PIB 1300) and 15 parts by weight of medium molecular weight polyisobutylene (Oppanol B15N);
10 parts by weight of silicone oil,
6 parts by weight of plasticizer-butyl phthalate,
40 parts by weight of calcium carbonate as a filler,
antirust agent-5 weight portions of barium petroleum sulfonate,
antioxidant, 5 weight portions of p-phenylenediamine,
1 part by weight of coupling agent isobutyl triethoxy silicon,
6 parts by weight of flame retardant magnesium hydroxide,
and 18 parts by weight of water-swellable resin.
The manufacturing method comprises the following specific steps:
A. preparing materials:
preparing each component material in the mixture according to the proportion according to the quantity of the water-swelling flame-retardant rust-proof non-drying sealant for anchors and cables to be prepared;
B. preparing a mixed solution I:
sequentially adding 40 parts by weight of polyisobutylene (PIB 1300), 15 parts by weight of polyisobutylene (OppanolB 15N), 10 parts by weight of silicone oil and 6 parts by weight of butyl phthalate into a heating container in proportion, heating and melting, controlling the temperature at 120 ℃, and blending and stirring for 20min (the stirring speed is 100-150 revolutions per minute) in a vacuum state to obtain a mixed solution I;
C. preparing mixed liquor II
Adding 40 parts by weight of filler-calcium carbonate into the mixed solution I after melting and mixing uniformly, controlling the temperature at 80 ℃, and blending and stirring for 20min under a vacuum state at a stirring speed of 100-150 revolutions per minute to obtain a mixed solution II;
D. preparing a finished product of the water-swelling flame-retardant antirust non-drying sealant product:
and C, adding 5 parts by weight of antirust agent petroleum, namely barium sulfonate, 5 parts by weight of antioxidant, 5 parts by weight of p-phenylenediamine, 1 part by weight of coupling agent isobutyl triethoxy silicon, 6 parts by weight of flame retardant, namely tricresyl phosphate and magnesium hydroxide, and 18 parts by weight of water-absorbent expansion resin into the mixed solution II obtained in the step C in proportion, controlling the temperature at 70 ℃, blending and stirring for 15 min in a vacuum state at the stirring speed of 100-150 revolutions per minute, and discharging to obtain the water-swellable flame-retardant antirust non-drying sealing paste product.
Example two:
a water-swelling flame-retardant antirust non-drying sealant for anchors and cables and a manufacturing method II thereof are disclosed:
the water-swelling flame-retardant antirust non-drying sealant for anchors and cables is a mixture consisting of the following components in parts by weight:
56 parts by weight of polyisobutylene, including 50 parts by weight of low molecular weight polyisobutylene (PIB 2400), 6 parts by weight of high molecular weight polyisobutylene (Oppanol B30);
8 parts by weight of silicone oil,
10 parts by weight of plasticizer, namely triphenyl phosphate,
37 parts of filler, which comprises 35 parts of talcum powder and 2 parts of fumed silica;
antirust agent petroleum-aluminium triphosphate 10 weight portions,
antioxidant, 2, 6-tertiary butyl-4-methyl phenol 5 weight portions,
1 part by weight of coupling agent gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane,
5 parts by weight of melamine pyrophosphate serving as a flame retardant,
20 parts by weight of water-swellable resin.
The manufacturing method comprises the following specific steps:
A. preparing materials:
preparing each component material in the mixture according to the proportion according to the quantity of the water-swelling flame-retardant rust-proof non-drying sealant for anchors and cables to be prepared;
B. preparing a mixed solution I:
sequentially adding 50 parts by weight of polyisobutylene (PIB 2400), 6 parts by weight of polyisobutylene (OppanolB 30), 8 parts by weight of silicone oil and 10 parts by weight of triphenyl phosphate into a heating container in proportion, heating and melting, controlling the temperature at 130 ℃, and blending and stirring for 10 min (the stirring speed is 100-150 revolutions per minute) in a vacuum state to obtain a mixed solution I;
C. preparing a mixed solution II:
adding 37 parts by weight of filler (comprising 35 parts by weight of talcum powder and 2 parts by weight of fumed silica) into the mixed solution I after melting and uniformly mixing, controlling the temperature at 80 ℃, and blending and stirring for 20min in a vacuum state at a stirring speed of 100-150 revolutions per minute to obtain a mixed solution II;
D. preparing a finished product of the water-swelling flame-retardant antirust non-drying sealant product:
and C, adding 10 parts by weight of antirust petroleum-aluminum tripolyphosphate, 5 parts by weight of 2, 6-tertiary butyl-4-methylphenol, 5 parts by weight of antioxidant-2, 6-tertiary butyl-4-methylphenol, 1 part by weight of coupling agent-gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, 5 parts by weight of flame retardant-melamine pyrophosphate and 20 parts by weight of water-absorbing expansion resin into the mixed solution II obtained in the step C according to a proportion, controlling the temperature at 60 ℃, mixing and stirring for 20min (the stirring speed is 100-150 revolutions per minute) in a vacuum state, and discharging to obtain the water-swelling flame-retardant antirust non-drying sealing paste product.
Example three to example eight:
a water-swelling flame-retardant antirust non-drying sealant for anchors and cables and a manufacturing method thereof are disclosed as follows:
the water-swelling flame-retardant antirust non-drying sealant for anchors and cables is a mixture consisting of the following components in parts by weight:
35-60 parts of polyisobutylene, 10-25 parts of silicone oil,
5 to 20 parts by weight of a plasticizer, 20 to 50 parts by weight of a filler,
5-15 parts of antirust agent, 2-5 parts of antioxidant,
1-3 parts of coupling agent, 5-20 parts of flame retardant,
5-20 parts of water-swellable resin.
In each example, the specific contents of the components are shown in the attached table, "summary of contents (calculated by weight parts) of the components of the water-swellable flame-retardant rust-proof non-drying sealing paste for anchorage devices and cables in examples one to eight of the examples":
the manufacturing method comprises the following specific steps:
A. preparing materials:
preparing each component material in the mixture according to the proportion according to the quantity of the water-swelling flame-retardant rust-proof non-drying sealant for anchors and cables to be prepared;
B. preparing a mixed solution I:
sequentially adding polyisobutylene, silicone oil and a plasticizer into a heating container in proportion, heating and melting, controlling the temperature of the heating container at 50-150 ℃, blending and stirring for 10-20 min in a vacuum state at a stirring speed of 100-150 revolutions per minute to obtain a mixed solution I;
C. preparing mixed liquor II
Adding a filler into the mixed solution I after melting and mixing uniformly, controlling the temperature at 50-150 ℃, and blending and stirring for 20-40 min in a vacuum state at a stirring speed of 100-150 revolutions per minute to obtain a mixed solution II;
D. preparing a water-swelling flame-retardant antirust non-drying sealant product:
and C, adding an antirust agent, an antioxidant, a coupling agent, a flame retardant and water-swellable resin into the mixed solution II obtained in the step C in proportion, controlling the temperature to be 50-150 ℃, blending and stirring for 10-20 min under the state, wherein the stirring speed is 100-150 revolutions per minute, and discharging to obtain the water-swellable flame-retardant antirust non-drying sealant product.
The polyisobutylene is one or more of low molecular weight polyisobutylene, medium molecular weight polyisobutylene and high molecular weight polyisobutylene, and the number average molecular weight range of the polyisobutylene is 200-;
wherein, the low molecular weight polyisobutylene refers to polyisobutylene with molecular weight range of 200-10000, such as PIB 950, PIB 1300, PIB 2400; by medium molecular weight polyisobutene is meant a polyisobutene having a molecular weight in the range 20000-.
The plasticizer is one or more of phthalate and/or phosphate plasticizers.
The filler is one or more of fumed silica, calcium carbonate, montmorillonite or talcum powder filler.
The antirust agent is one or more of sulfonate, chromate, silicate, molybdate, tungstate, polyphosphate or/and zinc salt antirust agents.
The antioxidant is one or more of aromatic amine antioxidant or hindered phenol antioxidant.
The coupling agent is one or more of silane coupling agents and the like, such as KH-550, KH-560 or KH-171.
The flame retardanceThe agent is one or more of phosphorus flame retardant, aluminum magnesium flame retardant, nitrogen flame retardant, etc., such as C21H21O4P,Mg(OH)2、Al(OH)3Or C3H6N6One or a mixture of several of them.
A first attached table: table of contents (calculated by weight) of each component of water-swelling flame-retardant rust-proof non-drying sealing paste for anchorage and cable
And B, attaching a table II: the invention discloses a performance test result summary list of the water-swelling flame-retardant antirust non-drying sealant for anchorage devices and cables
The water-swelling flame-retardant antirust non-drying sealing paste for anchorage devices and cables belongs to a new product and has no national standard temporarily, but all inspection results meet the relevant requirements of anticorrosive materials of JT-T694-2007 anticorrosive coating technical conditions of suspension bridge main cable systems.
Claims (14)
1. The utility model provides a water-swelling flame-retardant rust-resistant non-drying sealant for ground tackle, cable which characterized in that: the water-swelling flame-retardant antirust non-drying sealant for anchors and cables is a mixture consisting of the following components in parts by weight:
35-60 parts of polyisobutylene, 10-25 parts of silicone oil,
5 to 20 parts by weight of a plasticizer, 20 to 50 parts by weight of a filler,
5-15 parts of antirust agent, 2-5 parts of antioxidant,
1-3 parts of coupling agent, 5-20 parts of flame retardant,
5-20 parts by weight of water-swellable resin;
the polyisobutylene is one or more of low molecular weight polyisobutylene, medium molecular weight polyisobutylene and high molecular weight polyisobutylene, and the number average molecular weight range of the polyisobutylene is 200-.
2. The water-swellable, flame-retardant, rust-proof and non-drying sealant for anchors and cables as claimed in claim 1, wherein the sealant comprises: the plasticizer is one or more of phthalate and/or phosphate plasticizers.
3. The water-swellable, flame-retardant, rust-proof and non-drying sealant for anchors and cables as claimed in claim 1, wherein the sealant comprises: the filler is one or more of fumed silica, calcium carbonate, montmorillonite or talcum powder filler.
4. The water-swellable, flame-retardant, rust-proof and non-drying sealant for anchors and cables as claimed in claim 1, wherein the sealant comprises: the antirust agent is one or more of sulfonate, chromate, silicate, molybdate, tungstate, polyphosphate or/and zinc salt antirust agents.
5. The water-swellable, flame-retardant, rust-proof and non-drying sealant for anchors and cables as claimed in claim 1, wherein the sealant comprises: the antioxidant is one or more of aromatic amine antioxidant or hindered phenol antioxidant.
6. The water-swellable, flame-retardant, rust-proof and non-drying sealant for anchors and cables as claimed in claim 1, wherein the sealant comprises: the coupling agent is a silane coupling agent.
7. The water-swellable, flame-retardant, rust-proof and non-drying sealant for anchors and cables as claimed in claim 1, wherein the sealant comprises: the flame retardant is one or more of a phosphorus flame retardant, an aluminum magnesium flame retardant or a nitrogen flame retardant.
8. A preparation method of water-swelling flame-retardant antirust non-drying sealant for anchors and cables is characterized by comprising the following steps: the preparation method of the water-swelling flame-retardant rust-proof non-drying sealant for the anchorage device and the cable in claim 1 comprises the following steps: the water-swelling flame-retardant antirust non-drying sealant for anchors and cables is a mixture consisting of the following components in parts by weight:
35-60 parts of polyisobutylene, 10-25 parts of silicone oil,
5 to 20 parts by weight of a plasticizer, 20 to 50 parts by weight of a filler,
5-15 parts of antirust agent, 2-5 parts of antioxidant,
1-3 parts of coupling agent, 5-20 parts of flame retardant,
5-20 parts by weight of water-swellable resin;
the polyisobutylene is one or more of low molecular weight polyisobutylene, medium molecular weight polyisobutylene or high molecular weight polyisobutylene, and the number average molecular weight range of the polyisobutylene is 200-;
the manufacturing process comprises the following steps:
A. preparing materials:
preparing each component material in the mixture according to the proportion according to the quantity of the water-swelling flame-retardant rust-proof non-drying sealant for anchors and cables to be prepared;
B. preparing a mixed solution I:
sequentially adding polyisobutylene, silicone oil and a plasticizer into a heating container in proportion, heating and melting, controlling the temperature of the heating container at 50-150 ℃, blending and stirring for 10-20 min in a vacuum state at a stirring speed of 100-150 revolutions per minute to obtain a mixed solution I;
C. preparing a mixed solution II:
adding a filler into the mixed solution I after melting and mixing uniformly, controlling the temperature at 50-150 ℃, and blending and stirring for 20-40 min in a vacuum state at a stirring speed of 100-150 revolutions per minute to obtain a mixed solution II;
D. preparing a water-swelling flame-retardant antirust non-drying sealant product:
and C, adding an antirust agent, an antioxidant, a coupling agent, a flame retardant and water-swellable resin into the mixed solution II obtained in the step C in proportion, controlling the temperature to be 50-150 ℃, blending and stirring for 10-20 min in a vacuum state at the stirring speed of 100-150 rpm, and discharging to obtain the water-swellable flame-retardant antirust non-drying sealant product.
9. The method for preparing the water-swellable flame-retardant antirust non-drying sealant for anchors and cables according to claim 8, wherein the sealant comprises the following components in percentage by weight: the plasticizer is one or more of phthalate and/or phosphate plasticizers.
10. The method for preparing the water-swellable flame-retardant antirust non-drying sealant for anchors and cables according to claim 8, wherein the sealant comprises the following components in percentage by weight: the filler is one or more of fumed silica, calcium carbonate, montmorillonite or talcum powder filler.
11. The method for preparing the water-swellable flame-retardant antirust non-drying sealant for anchors and cables according to claim 8, wherein the sealant comprises the following components in percentage by weight: the antirust agent is one or more of sulfonate, chromate, silicate, molybdate, tungstate, polyphosphate or/and zinc salt antirust agents.
12. The method for preparing the water-swellable flame-retardant antirust non-drying sealant for anchors and cables according to claim 8, wherein the sealant comprises the following components in percentage by weight: the antioxidant is one or more of aromatic amine antioxidant or hindered phenol antioxidant.
13. The method for preparing the water-swellable, flame-retardant, rust-proof and non-drying sealant for anchors and cables as claimed in claim 8, wherein the coupling agent is a silane coupling agent.
14. The method for preparing the water-swellable flame-retardant antirust non-drying sealant for anchors and cables as claimed in claim 8, wherein the flame retardant is one or more of a phosphorus flame retardant, an aluminum-magnesium flame retardant or a nitrogen flame retardant.
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| CN201810230838.8A CN108384488B (en) | 2018-03-20 | 2018-03-20 | Water-swelling flame-retardant antirust non-drying sealant for anchorage devices and cables and preparation method thereof |
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| CN101805569B (en) * | 2009-10-23 | 2012-02-22 | 郑州中原应用技术研究开发有限公司 | Transparent butyl hot-melt sealant and preparation method thereof |
| CN102702996A (en) * | 2012-05-14 | 2012-10-03 | 郑州中原应用技术研究开发有限公司 | Non-drying antiseptic sealant with drying capacity and preparation method thereof |
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