CN109988502A - A kind of mold and mold coating - Google Patents
A kind of mold and mold coating Download PDFInfo
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- CN109988502A CN109988502A CN201910318024.4A CN201910318024A CN109988502A CN 109988502 A CN109988502 A CN 109988502A CN 201910318024 A CN201910318024 A CN 201910318024A CN 109988502 A CN109988502 A CN 109988502A
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- Prior art keywords
- coating
- agent
- mold
- gross mass
- micro mist
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- 238000000576 coating method Methods 0.000 title claims abstract description 135
- 239000011248 coating agent Substances 0.000 title claims abstract description 133
- 239000003595 mist Substances 0.000 claims abstract description 83
- 239000011347 resin Substances 0.000 claims abstract description 72
- 229920005989 resin Polymers 0.000 claims abstract description 72
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical group O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 47
- 239000000843 powder Substances 0.000 claims abstract description 41
- 239000006185 dispersion Substances 0.000 claims abstract description 40
- 239000000945 filler Substances 0.000 claims abstract description 38
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 19
- 239000011230 binding agent Substances 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 53
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 53
- 239000003795 chemical substances by application Substances 0.000 claims description 39
- 239000002270 dispersing agent Substances 0.000 claims description 38
- -1 polyamidoimide Polymers 0.000 claims description 28
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 27
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 27
- 239000002518 antifoaming agent Substances 0.000 claims description 22
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 20
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 19
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 16
- 150000001450 anions Chemical class 0.000 claims description 16
- 239000007822 coupling agent Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000013543 active substance Substances 0.000 claims description 15
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 239000002563 ionic surfactant Substances 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 239000008199 coating composition Substances 0.000 abstract description 2
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 45
- 238000003756 stirring Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 7
- 239000002253 acid Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 230000032683 aging Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- 229910000423 chromium oxide Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- PEVRKKOYEFPFMN-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoroprop-1-ene;1,1,2,2-tetrafluoroethene Chemical compound FC(F)=C(F)F.FC(F)=C(F)C(F)(F)F PEVRKKOYEFPFMN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004962 Polyamide-imide Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920002312 polyamide-imide Polymers 0.000 description 2
- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- LTYMSROWYAPPGB-UHFFFAOYSA-N diphenyl sulfide Chemical compound C=1C=CC=CC=1SC1=CC=CC=C1 LTYMSROWYAPPGB-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/20—Homopolymers or copolymers of hexafluoropropene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D181/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers
- C09D181/02—Polythioethers; Polythioether-ethers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C08K2003/2251—Oxides; Hydroxides of metals of chromium
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
Abstract
The application provides a kind of mold and mold coating, belongs to coating composition technical field.Including binder resin, filler, auxiliary agent and solvent, the binder resin uses mixed type watersoluble resin dispersion liquid, accounts for the 25~35% of coating gross mass；Filler is chrome oxide green micro mist, silicon carbide micro-powder, nano grade silica particles, any one or more of mixing of molybdenum disulfide micro mist, accounts for the 5~15% of coating gross mass；Auxiliary agent accounting in coating gross mass is 2~10%；Solvent is water, accounts for the 35~50% of coating gross mass.Above-mentioned coating is applied to mold, especially fluorinated silicone modified tire-mold processing not only ensure that release property, also improve the bonding force of coating and mold, and realizes green and pollution-free processing.
Description
Technical field
This application involves a kind of mold and mold coating, belong to coating composition technical field.
Background technique
Tire-mold is the main technique equipment in tire curing procedure, since thermo-oxidative ageing acts on and vulcanize the shadow of impurity
It rings, after a period of use, die surface can generate dirt, or even form some dirt dead angles, influence tire appearance, Er Qiechang
There is the difficult problem of demoulding, labor intensity of workers is big, generally frequently with modes such as liquid rinse or Dry ice cleanings periodically to mould
Tool is cleaned, and to keep the cleannes of die surface, but the cleaning frequency is short, and cleaning frequency is big, influences production efficiency, this is asked
Topic annoyings always tyre industry.
Mold is protected to realize, and improves Appcarance guality of tyres and release property, Some Domestic tyre production enterprise is adopted at present
Rubber tire mold is sprayed with teflon coating.Polytetrafluorethylecoatings coatings have acidproof, alkaline-resisting and extremely low surface energy, therefore
Coating pick resistance/non-stick good, but polytetrafluorethylecoatings coatings complex process, and due to material property, it is (such as stainless with substrate
Steel, iron, aluminium etc.) poor adhesive force, caking property is not strong, and coating service life is short, and coating easily peels off.
Summary of the invention
In view of this, the application provides a kind of modified coating first, under the premise of not influencing release property, improve coating with
The bonding force of mold, and realize the processing of green and pollution-free die lubricant.
Specifically, the application is by fluorinated silicone modified rubber tire mold coating, and to realize above-mentioned purpose, concrete scheme is such as
Under:
A kind of mold coating, including binder resin, filler, auxiliary agent and solvent, the binder resin use mixed type watersoluble tree
Rouge dispersion liquid accounts for the 25~35% of coating gross mass；Filler is chrome oxide green micro mist, silicon carbide micro-powder, nano-silica powder
End, any one or more of mixing of molybdenum disulfide micro mist, account for the 5~15% of coating gross mass；Auxiliary agent accounts in coating gross mass
Than being 2~10%；Solvent is water, accounts for the 35~50% of coating gross mass.
Coating provided herein, water carries out premixing to merge stirring evenly with auxiliary agent, spare；Determining mixing is prepared simultaneously
The resin of type aqueous resin dispersion is constituted, and each resin agitating is uniform, and water and auxiliary agent is added, and is futher stirred uniformly spare；
In the mixed type watersoluble resin dispersion liquid for taking filler to be slowly added under stirring, to get finished product coating after lasting stirring.
Above-mentioned coating can meet the formability of the coating when water is as solvent using hybrid resin dispersion liquid as principal component,
The aqueous and feature of environmental protection for realizing coating, has prevented the addition of organic solvent, fundamentally ensure that the environmentally protective nothing of coating
Pollution, it is all very safe whether for operator, operating environment or user；Filler is in given several progress
Compounding, chemical corrosion resistance is excellent, and resistance to almost all of strong acid, highly basic, strong oxidizer and its organic solvent ensure that coating
It is non-stick, also ensure that coating to coat etc. in a manner of when adding coating intensity and hardness, realize the requirement of wearability；Mixed type tree
The cooperation of rouge dispersion liquid, filler and auxiliary agent three keeps the bonding force between the coating to be formed and metal-based layer good, and coating is not easy to take off
It falls, long service life.
In the course of the research, we are further studied mixed type watersoluble resin, and determination is more preferred
Water-base resin is selected from polyphenylene sulfide, polyamidoimide, polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer, selects wherein at least
Two kinds and preferably wantonly two kinds or three kinds are mixed to form mixed type watersoluble resin dispersion liquid.Selecting wantonly two kinds or three kinds mixing
When, it is at least one to select polyphenylene sulfide, polyamidoimide, in cooperation polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer at least
One kind remixes and forms mixed type watersoluble resin dispersion liquid.It is introduced in polytetrafluoroethylene (PTFE) or fluorinated ethylene propylene copolymer
The polyphenylene sulfide or polyamide-imide resin strong with metallic cohesion, in the substrate surfaces heating process such as metal, due to multiple
Resin is fluororesin, and the surface of fluororesin can be low, and fluororesin can be enriched in coating under the heating melting state of metal surface
Surface, such coating has just achieved the effect that surface layer lubricates anti-stick, the high combination of bottom, thus use temperature range is wide, resistance to height
Temperature, resistance to low temperature is excellent, and effectively ensures strength of coating height and the good purpose of metal-based layer binding force.
In implementation process, we have done further research to auxiliary agent, and determine that more preferred auxiliary agent composition includes
Dispersing agent, defoaming agent and levelling agent, accounting of the dispersing agent in coating gross mass are 2~5%, and defoaming agent is 0.5~2%,
Levelling agent is 0.5~2%；The composition of auxiliary agent, assign mixed type watersoluble resin, in filler and water compound process physical property tune
With with stabilization, the application auxiliary agent constitute in, dispersing agent improves the dispersing uniformity of mixed type watersoluble resin dispersion liquid, defoaming agent
Ensure the stability of coating quality in mixed process, levelling agent ensure using stabilization and smooth, the auxiliary agent that three cooperatively forms
Ensure the workability and operation convenience of coating entirety, the coating of formation is weather-proof, ageing-resistant performance is excellent, stablizes, and is applicable in
In the product of all size and shape.Meanwhile we also study the concrete type of auxiliary agent, dispersing agent preferably uses titanium
The mixture of sour rouge coupling agent and anion active agent, levelling agent preferably use the multi-functional levelling agent of organosilicon.Dispersing agent and stream
The specific composition of flat agent cooperates with the other components other than auxiliary agent, the good surface fluency of coating is assigned, when what is be formed by
When coating is coated, coating has good lubricity, and coating surface has the kinematics and static friction factor of very little, thus surface
It is non-stick more prominent.
On the basis of the studies above, we have also obtained a kind of mold obtained using above-mentioned coating coating, the mold
It include metal-based layer, metal-based layer is equipped with coating, and the coating is formed by by binder resin, filler, auxiliary agent and solvent
Coating coating solidifies, wherein the binder resin use mixed type watersoluble resin dispersion liquid, account for coating gross mass 25~
35%；Filler is any one of chrome oxide green micro mist, silicon carbide micro-powder, nano grade silica particles, molybdenum disulfide micro mist or more
Kind mixing, accounts for the 5~15% of coating gross mass；Auxiliary agent accounting in coating gross mass is 2~10%；Solvent is water, and it is total to account for coating
The 35~50% of quality.
Mold with above-mentioned coating, strength of coating is high, good with metal-based layer binding force, resistance to almost all of strong acid,
Highly basic, strong oxidizer and its organic solvent, not only have good chemical corrosion resistance, also with very little sound friction because
Number, greasy property is good, and surface is non-stick more prominent.
Coating provided herein has other coating incomparable especially suitable for fluorinated silicone modified tire-mold
Comprehensive advantage: (1) use temperature range is wide, high temperature resistant, and resistance to low temperature is excellent；(2) strength of coating is high；(3) and metal-based layer
Binding force is good；(4) chemical corrosion resistance is excellent, resistance to almost all of strong acid, highly basic, strong oxidizer and its organic solvent；(5) moisten
Slip can be good, the sound friction factor with very little, and surface is non-stick more prominent；(6) Weatherproof ageing-resistant function admirable, performance
Stablize, the product suitable for all size and shape.
Specific embodiment
A kind of mold coating of the present embodiment, including binder resin, filler, auxiliary agent and solvent, the binder resin use
Mixed type watersoluble resin dispersion liquid accounts for the 25~35% of coating gross mass；Filler is chrome oxide green micro mist, silicon carbide micro-powder, nanometer
SiO 2 powder, any one or more of mixing of molybdenum disulfide micro mist, account for the 5~15% of coating gross mass；Auxiliary agent is in coating
Accounting is 2~10% in gross mass；Solvent is water, accounts for the 35~50% of coating gross mass.
Coating provided herein, water carries out premixing to merge stirring evenly with auxiliary agent, spare；Determining mixing is prepared simultaneously
The resin of type aqueous resin dispersion is constituted, and each resin agitating is uniform, and spare water and auxiliary agent is added, and is futher stirred uniformly standby
With；In the mixed type watersoluble resin dispersion liquid for taking filler to be slowly added under stirring, to get finished product painting after lasting stirring
Material.
The specific composition of coating is done below and is elaborated as follows.
Embodiment 1: influence of the differently composed binder resin to coating property
The composition resin of binder resin selected from polyphenylene sulfide (PPS), polyamidoimide (PAI), polytetrafluoroethylene (PTFE),
Fluorinated ethylene propylene copolymer (FEP) is selected one of mixed as water-based resin dispersion liquid or at least two mixing i.e. formation
Mould assembly aqueous resin dispersion.During coating is constituted, filler selects chrome oxide green micro mist, additive amount 10%；Auxiliary agent is by 3% dispersion
Agent, 1% defoaming agent and 1% levelling agent composition, wherein dispersing agent is made of+1.5% anion active agent of 1.5% titanate coupling agent,
Levelling agent uses the multi-functional levelling agent of organosilicon；Solvent selects deionized water 50%, and additive amount is；Binder resin (including single group
Point pure resin and at least two resins constitute mixed type watersoluble resin dispersion liquid) additive amount be 35%, specific composition is then joined
It is shown in Table 1.
The differently composed binder resin of table 1
。
Preparation process: (1) carrying out premixing to merge stirring evenly by water with auxiliary agent, spare；(2) binder resin is prepared by table 1,
Spare water and auxiliary agent is added, futher stirs uniformly；(3) step (2) formation for taking filler to be slowly added under stirring
Binder resin, and continue stirring after to get finished product coating.
The coating of formation sprays rubber tire mold, coating is formed in die surface, to coating and mold
Performance is tested, and ginseng is shown in Table 2.
The performance table of comparisons of the differently composed coating of table 2
。
By above-mentioned performance test, it will be seen that using the water-based resin of one-component, although ring may be implemented
The effect of guarantor, but since its adhesive strength is lower, when especially using polyphenylene sulfide or polyamidoimide merely, due to coating
The relatively high reason of surface energy, does not have preferable pick resistance (referring to serial number 1,2 corresponding coating in table 2)；Using mixed
When mould assembly aqueous resin dispersion, (referring in table 2 when especially having the participation of polytetrafluoroethylene (PTFE) or fluorinated ethylene propylene copolymer
The corresponding coating of serial number 6-15), it is introduced in polytetrafluoroethylene (PTFE) or fluorinated ethylene propylene copolymer and what metallic cohesion was strong gathers
Diphenyl sulfide or polyamide-imide resin, in the substrate surfaces heating process such as metal, since compound resin is fluororesin, fluorine tree
The surface of rouge can be low, and fluororesin can be enriched in the surface of coating under the heating melting state of metal surface, and such coating just reaches
The effect that surface layer lubricates the anti-stick high combination of bottom has been arrived, thus use temperature range is wide, high temperature resistant, resistance to low temperature is excellent, and
Effectively ensure strength of coating height and the good purpose of metal-based layer binding force.
On the basis of the above, we to mixed type watersoluble resin dispersion liquid composition done further research, and obtain compared with
It is combined for preferred nine kinds are as follows: (1) polyphenylene sulfide+polytetrafluoroethylene (PTFE)；(2) polyamidoimide+polytetrafluoroethylene (PTFE)；(3) polyphenyl
Thioether+fluorinated ethylene propylene copolymer；(4) polyamidoimide+fluorinated ethylene propylene copolymer；(5) polyphenylene sulfide+polytetrafluoro
Ethylene+fluorinated ethylene propylene copolymer；(6) polyamidoimide+polytetrafluoroethylene (PTFE)+fluorinated ethylene propylene copolymer；(7) polyphenyl
Thioether+polyamidoimide+fluorinated ethylene propylene copolymer；(8) polyphenylene sulfide+polytetrafluoroethylene (PTFE)+polyamidoimide；(9)
Polyphenylene sulfide+polytetrafluoroethylene (PTFE)+polyamidoimide+fluorinated ethylene propylene copolymer.
In further work, we are also studied the proportion under various combination, and obtain and more preferably match
Than (mass ratio) mode are as follows: (1) polyphenylene sulfide: polytetrafluoroethylene (PTFE)=20~35%:75~80%；(2) polyamidoimide: poly- four
Vinyl fluoride=30~40%:60~70%；(3) polyphenylene sulfide: fluorinated ethylene propylene copolymer=40~50%:50~60%；(4) polyamides
Amine acid imide: fluorinated ethylene propylene copolymer=45~60%:40~55%；(5) polyphenylene sulfide: polytetrafluoroethylene (PTFE): perfluoroethylene third
Alkene copolymer=25~40%:10~15%:55~65%；(6) polyamidoimide: polytetrafluoroethylene (PTFE): perfluoroethylenepropylene copolymerization
Object=25~30%:10~15%:55~65%；(7) polyphenylene sulfide: polyamidoimide: fluorinated ethylene propylene copolymer=15~
25%:35~40%:35~50%；(8) polyphenylene sulfide: polytetrafluoroethylene (PTFE): polyamidoimide=20~25%:35~45%:20~
25%；(9) polyphenylene sulfide: polytetrafluoroethylene (PTFE): polyamidoimide: fluorinated ethylene propylene copolymer=10~15%:5~10%:20
~25%:35~50%.
Embodiment 2: influence of the differently composed filler to coating property
In terms of filler is mainly reflected in coating hardness and wearability in coating effectiveness, based on the considerations of this aspect, we will be filled out
The range of choice preliminary screening of material is in chrome oxide green (Cr2O3) micro mist, silicon carbide (SiC) micro mist, nano grade silica particles
(SiO2) powder, molybdenum disulfide (MoS2) in four kinds of raw materials of micro mist, especially chrome oxide green micro mist, silicon carbide micro-powder, not only
Good hardness/intensity and wearability can be assigned, coating yellow green is also imparted, there is good identity.
During coating is constituted, aqueous resin dispersion is+20% fluorinated ethylene propylene copolymer of 15% polyphenylene sulfide；Auxiliary agent is by 3%
Dispersing agent, 1% defoaming agent and 1% levelling agent composition, wherein dispersing agent is by+1.5% anion active agent of 1.5% titanate coupling agent
Composition, levelling agent use the multi-functional levelling agent of organosilicon；Solvent selects deionized water, additive amount 50%；Filler additive amount is
10%, and any one of select chrome oxide green micro mist, silicon carbide micro-powder, nano grade silica particles, molybdenum disulfide micro mist or more
Kind formed mixture, concrete composition and and be formed by coating property referring to table 3.
Influence of the differently composed filler of table 3 to coating property (other components are enumerated in omission)
。
It can be seen from Table 3 that the whether filler of one-component or the filler of mixed component, can obtain hard
The coating in 4~5H or more is spent, however, due to micropowder filler rigidity, using filling out for mixing high rigidity micro mist mode
Material be formed by coating in terms of wearability have more preferably show.Therefore, the preferable filler of using effect is constituted are as follows: (1) oxygen
Change chrome green micro mist；(2) silicon carbide micro-powder；(3) chrome oxide green micro mist+nano grade silica particles；(4) chrome oxide green micro mist+two
Molybdenum sulfide micro mist；(5) chrome oxide green micro mist+silicon carbide micro-powder；(6) chrome oxide green micro mist+nano grade silica particles+curing
Molybdenum micro mist；(7) chrome oxide green micro mist+nano grade silica particles+silicon carbide micro-powder；(8) chrome oxide green micro mist+nanometer titanium dioxide
Si powder+silicon carbide micro-powder+molybdenum disulfide micro mist.
On above-mentioned experiment basis, we have done further research to the proportion of the preferable filler of effect, and obtain more
Preferred proportion (mass ratio) are as follows: (1) accounting of the 5-10%(in coating gross mass) chrome oxide green micro mist；(2) 5-10%(is being applied
Expect the accounting in gross mass) silicon carbide micro-powder；(3) chrome oxide green micro mist: nano grade silica particles=95~98%:2~5%；
(4) chrome oxide green micro mist: molybdenum disulfide micro mist=75~80%:20~25%；(5) chrome oxide green micro mist: silicon carbide micro-powder=55~
65%:35~45%；(6) chrome oxide green micro mist: molybdenum disulfide micro mist: nano grade silica particles=65~75%:20~30%:2~
5%；(7) silicon carbide micro-powder+nano grade silica particles=92~95:5~8%；(8) chrome oxide green micro mist+molybdenum disulfide micro mist+
Nano grade silica particles+silicon carbide micro-powder=50~65%:20~33%:2~5%:7~13%.
Embodiment 3: influence of the differently composed auxiliary agent to coating property
Auxiliary agent mainly influences whether the stability of coating and the mixing uniformity of each component in coating molding.It is examined based on this
Consider, by Primary Study, determines that auxiliary agent is configured to dispersing agent, defoaming agent and three kinds of levelling agent, dispersing agent is in coating gross mass
Accounting be 2~5%, defoaming agent be 0.5~2%, levelling agent be 0.5~2%；Wherein, dispersing agent improves mixed type watersoluble resin
The dispersing uniformity of dispersion liquid, defoaming agent ensure the stability of coating quality in mixed process, levelling agent ensure using stabilization
With smoothness, the auxiliary agent that three cooperatively forms ensures the workability and operation convenience of coating entirety, the coating of formation is weather-proof,
Ageing-resistant performance is excellent, stablizes, the product suitable for all size and shape.
During the experiment, it has been found that: when dispersing agent uses titanate coupling agent and anion active agent, anion
Activating agent specifically can be used: soaps, sulphation species, sulfonated species mixture when, the uniformity of dispersion liquid is improved
Effect is preferable, and in the mixture, the mass ratio of titanate coupling agent and anion active agent is 1.5~3:7~8.5%；Levelling agent
Using the multi-functional levelling agent of organosilicon.The specific composition of dispersing agent and levelling agent cooperates with the other components other than auxiliary agent, assigns
The good surface fluency of coating, when the coating being formed by is coated, coating has good lubricity, coating surface
Resistance to bond reaches 0 grade, thus surface is non-stick more prominent.
On the basis of the studies above, we are to mixed type watersoluble resin dispersion liquid, filler, auxiliary agent and the solvent for determining composition
Proportion done cooperative experiment, thus obtain more preferably proportion (mass percent or mass ratio) are as follows:
(1) mixed type watersoluble resin dispersion liquid 25-35%, group become polyphenylene sulfide: polytetrafluoroethylene (PTFE)=55~60%:40~45%；
Filler is the chrome oxide green micro mist of (5-10%), the silicon carbide micro-powder of (5-10%), (4-8%) chrome oxide green micro mist+(1-7%) nanometer
SiO 2 powder, (4-8%) chrome oxide green micro mist+(1-7%) molybdenum disulfide micro mist, (4-8%) chrome oxide green micro mist+(1-7%)
Silicon carbide micro-powder；Auxiliary agent is (2~5%) dispersing agent+(0.5~2%) defoaming agent+(0.5~2%) levelling agent, wherein in dispersing agent,
The mass ratio of titanate coupling agent and anion active agent is 1.5~3%:7~8.5%；Surplus is water.Coating Applicable temperature be-
50~260 DEG C.
(2) mixed type watersoluble resin dispersion liquid 25-30%, group is as polyimides: polytetrafluoroethylene (PTFE)=45~55%:45~
55%；Filler is the chrome oxide green micro mist of (5-10%), the silicon carbide micro-powder of (5-10%), (4-8%) chrome oxide green micro mist+(1-7%)
Nano grade silica particles+(4-8%) chrome oxide green micro mist+(1-7%) molybdenum disulfide micro mist, (4-8%) chrome oxide green micro mist+(1-
7%) silicon carbide micro-powder；Auxiliary agent is (2~5%) dispersing agent+(0.5~2%) defoaming agent+(0.5~2%) levelling agent, wherein dispersing agent
In, the mass ratio of titanate coupling agent and anion active agent is 1.5~3%:7~8.5%；Surplus is water.Coating Applicable temperature
It is -50~240 DEG C.
(3) mixed type watersoluble resin dispersion liquid 25-30%, group is as polyphenylene sulfide: fluorinated ethylene propylene copolymer=45~
55%:45~55%；Filler is that the chrome oxide green micro mist of (5-10%), the silicon carbide micro-powder of (5-10%), (4-8%) chrome oxide green are micro-
Powder+(1-7%) nano grade silica particles, (4-8%) chrome oxide green micro mist+(1-7%) molybdenum disulfide micro mist, (4-8%) chromium oxide
Green micro mist+(1-7%) silicon carbide micro-powder；Auxiliary agent is (2~5%) dispersing agent+(0.5~2%) defoaming agent+(0.5~2%) levelling agent,
Wherein, in dispersing agent, the mass ratio of titanate coupling agent and anion active agent is 1.5~3%:7~8.5%；Surplus is water.It applies
Expect that Applicable temperature is -60~260 DEG C.
(4) mixed type watersoluble resin dispersion liquid 28-32%, group is as polyamidoimide: fluorinated ethylene propylene copolymer=
55~60%:40~45%；Filler is the chrome oxide green micro mist of (5-10%), the silicon carbide micro-powder of (5-10%), (4-8%) chromium oxide
Green micro mist+(1-7%) nano grade silica particles, (4-8%) chrome oxide green micro mist+(1-7%) molybdenum disulfide micro mist, (4-8%) oxygen
Change chrome green micro mist+(1-7%) silicon carbide micro-powder；Auxiliary agent is (2~5%) dispersing agent+(0.5~2%) defoaming agent+(0.5~2%) levelling
Agent, wherein in dispersing agent, the mass ratio of titanate coupling agent and anion active agent is 1.5~3%:7~8.5%；Surplus is
Water.Coating Applicable temperature is -50~220 DEG C.
(5) mixed type watersoluble resin dispersion liquid 25-30%, group become polyphenylene sulfide: polytetrafluoroethylene (PTFE): perfluoroethylenepropylene
Copolymer=45~55%:25~30%:20~25%；Filler is that chrome oxide green micro mist, the silicon carbide of (5-10%) of (5-10%) are micro-
Powder, (4-8%) chrome oxide green micro mist+(1-7%) nano grade silica particles, (4-8%) chrome oxide green micro mist+(1-7%) curing
Molybdenum micro mist, (4-8%) chrome oxide green micro mist+(1-7%) silicon carbide micro-powder；Auxiliary agent is (2~5%) dispersing agent+(0.5~2%) defoaming
Agent+(0.5~2%) levelling agent, wherein in dispersing agent, the mass ratio of titanate coupling agent and anion active agent is 1.5~3%:
7~8.5%；Surplus is water.Coating Applicable temperature is -60~250 DEG C.
(6) mixed type watersoluble resin dispersion liquid 25-30%, group become polyamidoimide: polytetrafluoroethylene (PTFE): perfluoroethylene
Propylene copolymer=55~60%:22~25%:18~20%；Filler is the carbonization of the chrome oxide green micro mist, (5-10%) of (5-10%)
Silicon powder, (4-8%) chrome oxide green micro mist+(1-7%) nano grade silica particles, (4-8%) chrome oxide green micro mist+(1-7%) two
Molybdenum sulfide micro mist, (4-8%) chrome oxide green micro mist+(1-7%) silicon carbide micro-powder；Auxiliary agent is (2~5%) dispersing agent+(0.5~2%)
Defoaming agent+(0.5~2%) levelling agent, wherein in dispersing agent, the mass ratio of titanate coupling agent and anion active agent is 1.5
~3%:7~8.5%；Surplus is water.Coating Applicable temperature is -60~250 DEG C.
(7) mixed type watersoluble resin dispersion liquid 30-35%, group become polyphenylene sulfide: polyamidoimide: perfluoroethylene third
Alkene copolymer=20~25%:35~45%:30~45%；Filler is the silicon carbide of the chrome oxide green micro mist of (5-10%), (5-10%)
Micro mist, (4-8%) chrome oxide green micro mist+(1-7%) nano grade silica particles, (4-8%) chrome oxide green micro mist+(1-7%) two sulphur
Change molybdenum micro mist, (4-8%) chrome oxide green micro mist+(1-7%) silicon carbide micro-powder；Auxiliary agent is that (2~5%) dispersing agent+(0.5~2%) disappears
Infusion+(0.5~2%) levelling agent, wherein in dispersing agent, the mass ratio of titanate coupling agent and anion active agent is 1.5~
3%:7~8.5%；Surplus is water.Coating Applicable temperature is -50~240 DEG C.
(8) mixed type watersoluble resin dispersion liquid 22-30%, group is as polyphenylene sulfide: polytetrafluoroethylene (PTFE): polyamidoimide=
20~25%:30~45%:35~45%；Filler is the chrome oxide green micro mist of (5-10%), the silicon carbide micro-powder of (5-10%), (4-
8%) chrome oxide green micro mist+(1-7%) nano grade silica particles, (4-8%) chrome oxide green micro mist+(1-7%) molybdenum disulfide micro mist,
(4-8%) chrome oxide green micro mist+(1-7%) silicon carbide micro-powder；Auxiliary agent is (2~5%) dispersing agent+(0.5~2%) defoaming agent+(0.5
~2%) levelling agent, wherein in dispersing agent, the mass ratio of titanate coupling agent and anion active agent be 1.5~3%:7~
8.5%；Surplus is water.Coating Applicable temperature is -50~255 DEG C.
(9) mixed type watersoluble resin dispersion liquid 25-30%, group become polyphenylene sulfide: polytetrafluoroethylene (PTFE): polyamidoimide:
Fluorinated ethylene propylene copolymer=20~25%:35~40%:20~25%:35~45%；Filler is that the chrome oxide green of (5-10%) is micro-
Powder, the silicon carbide micro-powder of (5-10%), (4-8%) chrome oxide green micro mist+(1-7%) nano grade silica particles, (4-8%) chromium oxide
Green micro mist+(1-7%) molybdenum disulfide micro mist, (4-8%) chrome oxide green micro mist+(1-7%) silicon carbide micro-powder；Auxiliary agent is (2~5%) point
Powder+(0.5~2%) defoaming agent+(0.5~2%) levelling agent, wherein in dispersing agent, titanate coupling agent and anion active agent
Mass ratio be 1.5~3:7~8.5%；Surplus is water.Coating Applicable temperature is -50~230 DEG C.
The cooperation of above-mentioned four component, is formed by that coating use temperature range is wide, and high temperature resistant, cryogenic property are excellent, especially
Suitable for fluorinated silicone modified tire-mold；Above-mentioned coating is worked on mold using modes such as sprayings, in the Metal Substrate of mold
Coating, coating and metal-based layer binding force are formed on layer at 0~1 grade, coating hardness is 4~5H；Greasy property is good, has very little
Coefficient of friction, resistance to bond be 0~1 grade, surface is non-stick more prominent；And chemical corrosion resistance is excellent, and it is resistance to nearly all
Strong acid, highly basic, strong oxidizer and its organic solvent, weather-proof, ageing-resistant performance is excellent, performance is stablized, and is suitable for all sizes
With the product of shape；Product stripping is good, and yield rate can be 99% or more；Coating is not easily to fall off, and product service life is relatively general
Logical product (single polytetrafluoroethylene (PTFE)) promotes 30~40%.
Claims (10)
1. a kind of mold coating, it is characterised in that: including binder resin, filler, auxiliary agent and solvent, the binder resin is used
Mixed type watersoluble resin dispersion liquid accounts for the 25~35% of coating gross mass；Filler is chrome oxide green micro mist, silicon carbide micro-powder, nanometer
SiO 2 powder, any one or more of mixing of molybdenum disulfide micro mist, account for the 5~15% of coating gross mass；Auxiliary agent is in coating
Accounting is 2~10% in gross mass；Solvent is water, accounts for the 35~50% of coating gross mass.
2. a kind of mold coating according to claim 1, it is characterised in that: the mixed type watersoluble resin dispersion liquid
It constitutes resin and is selected from polyphenylene sulfide, polyamidoimide, polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer, select wherein at least
Two kinds, mixing forms mixed type watersoluble resin dispersion liquid.
3. a kind of mold coating according to claim 1, it is characterised in that: the mixed type watersoluble resin dispersion liquid
Constitute resin be selected from polyphenylene sulfide, polyamidoimide, polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer, select polyphenylene sulfide,
Polyamidoimide is at least one, and at least one of cooperation polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer are mixed to form mixed
Mould assembly aqueous resin dispersion.
4. a kind of mold coating according to claim 1, it is characterised in that: the auxiliary agent includes dispersing agent, defoaming agent
And levelling agent, accounting of the dispersing agent in coating gross mass are 2~5%, defoaming agent is 0.5~2%, and levelling agent is 0.5~2%.
5. a kind of mold coating according to claim 1 or 4, it is characterised in that: the auxiliary agent includes dispersing agent, defoaming
Agent and levelling agent, dispersing agent use the mixture of titanate coupling agent and anion active agent.
6. a kind of mold coating according to claim 1 or 4, it is characterised in that: the auxiliary agent includes dispersing agent, defoaming
Agent and levelling agent, levelling agent use the multi-functional levelling agent of organosilicon.
7. a kind of mold, it is characterised in that: mold includes metal-based layer, and metal-based layer is equipped with coating, the coating be by
Binder resin, filler, auxiliary agent and solvent are formed by coating and form in metal-based layer surface solidification, and wherein binder resin is using mixed
Mould assembly aqueous resin dispersion accounts for the 25~35% of coating gross mass；Filler is chrome oxide green micro mist, silicon carbide micro-powder, nanometer two
Silicon oxide powder, any one or more of mixing of molybdenum disulfide micro mist, account for the 5~15% of coating gross mass；Auxiliary agent is total in coating
Accounting is 2~10% in quality；Solvent is water, accounts for the 35~50% of coating gross mass.
8. a kind of mold according to claim 7, it is characterised in that: the composition resin of mixed type watersoluble resin dispersion liquid selects
From in polyphenylene sulfide, polyamidoimide, polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer, selecting wherein at least two kinds, mixing is
Form mixed type watersoluble resin dispersion liquid.
9. a kind of mold according to claim 7, it is characterised in that: the auxiliary agent includes dispersing agent, defoaming agent and levelling
Agent, accounting of the dispersing agent in coating gross mass are 2~5%, and defoaming agent is 0.5~2%, and levelling agent is 0.5~2%.
10. a kind of mold according to claim 9, it is characterised in that: the dispersing agent is using titanate coupling agent and yin
The mixture of ionic surfactant；Levelling agent uses the multi-functional levelling agent of organosilicon.
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| CN111748276A (en) * | 2020-07-08 | 2020-10-09 | 四川明道和化学新材料有限公司 | Polyphenylene sulfide composite coating and preparation method and application thereof |
| CN111808484A (en) * | 2020-07-17 | 2020-10-23 | 浙江乐酷厨具有限公司 | Preparation method of high-temperature-resistant wear-resistant non-stick pan coating |
| CN112480731A (en) * | 2019-09-12 | 2021-03-12 | 中国石油天然气股份有限公司 | High-temperature-resistant coating film-forming agent, preparation method and application thereof |
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| CN112480731A (en) * | 2019-09-12 | 2021-03-12 | 中国石油天然气股份有限公司 | High-temperature-resistant coating film-forming agent, preparation method and application thereof |
| CN111016017A (en) * | 2019-12-31 | 2020-04-17 | 上海凯陆高分子材料有限公司 | Material for surface treatment of vulcanization mold and preparation method and application thereof |
| CN111748276A (en) * | 2020-07-08 | 2020-10-09 | 四川明道和化学新材料有限公司 | Polyphenylene sulfide composite coating and preparation method and application thereof |
| CN111808484A (en) * | 2020-07-17 | 2020-10-23 | 浙江乐酷厨具有限公司 | Preparation method of high-temperature-resistant wear-resistant non-stick pan coating |
| CN111808484B (en) * | 2020-07-17 | 2021-09-03 | 浙江乐酷厨具有限公司 | Preparation method of high-temperature-resistant wear-resistant non-stick pan coating |
| CN112521809A (en) * | 2020-11-28 | 2021-03-19 | 无锡市科宇橡胶模具厂 | Rubber mold coating and using method thereof |
| TWI803369B (en) * | 2022-06-24 | 2023-05-21 | 寶成工業股份有限公司 | Automatic Mold Spraying System |
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