CN104125868A - Die release agent composition - Google Patents
Die release agent composition Download PDFInfo
- Publication number
- CN104125868A CN104125868A CN201380006153.0A CN201380006153A CN104125868A CN 104125868 A CN104125868 A CN 104125868A CN 201380006153 A CN201380006153 A CN 201380006153A CN 104125868 A CN104125868 A CN 104125868A
- Authority
- CN
- China
- Prior art keywords
- mold release
- release compositions
- thermosetting resin
- mould
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 80
- 229920005989 resin Polymers 0.000 claims abstract description 70
- 239000011347 resin Substances 0.000 claims abstract description 70
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 66
- 150000001875 compounds Chemical class 0.000 claims abstract description 38
- 229920000642 polymer Polymers 0.000 claims abstract description 37
- 239000005011 phenolic resin Substances 0.000 claims abstract description 28
- 239000002480 mineral oil Substances 0.000 claims abstract description 26
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 26
- 238000005266 casting Methods 0.000 claims abstract description 25
- 239000003921 oil Substances 0.000 claims abstract description 24
- 229920001083 polybutene Polymers 0.000 claims abstract description 14
- 238000005242 forging Methods 0.000 claims abstract description 11
- 229920001807 Urea-formaldehyde Polymers 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 claims abstract description 8
- 229910052582 BN Inorganic materials 0.000 claims abstract description 7
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000454 talc Substances 0.000 claims abstract description 6
- 229910052623 talc Inorganic materials 0.000 claims abstract description 6
- 239000010445 mica Substances 0.000 claims abstract description 5
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 5
- 239000001993 wax Substances 0.000 claims description 33
- 239000012188 paraffin wax Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 6
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 claims description 5
- 229920000180 alkyd Polymers 0.000 claims description 5
- 229910003472 fullerene Inorganic materials 0.000 claims description 5
- 235000012222 talc Nutrition 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 61
- 229910052751 metal Inorganic materials 0.000 abstract description 20
- 239000002184 metal Substances 0.000 abstract description 20
- 239000000314 lubricant Substances 0.000 abstract description 15
- 239000007787 solid Substances 0.000 abstract description 9
- 238000009716 squeeze casting Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 239000004640 Melamine resin Substances 0.000 abstract description 2
- 229920000877 Melamine resin Polymers 0.000 abstract description 2
- 239000011133 lead Substances 0.000 abstract 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 72
- 239000011248 coating agent Substances 0.000 description 71
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 32
- 238000000034 method Methods 0.000 description 32
- 229910000831 Steel Inorganic materials 0.000 description 31
- 239000010959 steel Substances 0.000 description 31
- 229910052742 iron Inorganic materials 0.000 description 16
- 239000000843 powder Substances 0.000 description 13
- 238000000465 moulding Methods 0.000 description 12
- 238000005507 spraying Methods 0.000 description 12
- 229910000838 Al alloy Inorganic materials 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 238000005253 cladding Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- -1 Tissuemat E Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 101000598921 Homo sapiens Orexin Proteins 0.000 description 2
- 101001123245 Homo sapiens Protoporphyrinogen oxidase Proteins 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 102100029028 Protoporphyrinogen oxidase Human genes 0.000 description 2
- 125000004181 carboxyalkyl group Chemical group 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000019737 Animal fat Nutrition 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 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
- 230000002411 adverse Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 125000004103 aminoalkyl group Chemical group 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000004203 carnauba wax Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012170 montan wax Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000010723 turbine oil Substances 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J3/00—Lubricating during forging or pressing
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/061—Carbides; Hydrides; Nitrides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
- C10M2201/103—Clays; Mica; Zeolites
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/14—Synthetic waxes, e.g. polythene waxes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/16—Paraffin waxes; Petrolatum, e.g. slack wax
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/18—Natural waxes, e.g. ceresin, ozocerite, bees wax, carnauba; Degras
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/101—Condensation polymers of aldehydes or ketones and phenols, e.g. Also polyoxyalkylene ether derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/102—Polyesters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/043—Mannich bases
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/045—Polyureas; Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/055—Particles related characteristics
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/242—Hot working
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/244—Metal working of specific metals
- C10N2040/245—Soft metals, e.g. aluminum
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/36—Release agents or mold release agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Lubricants (AREA)
- Forging (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Provided is a die release agent composition which is used by being coated on a die used for die forging or a die used for metal squeeze casting or low-pressure casting. The die release agent composition containing: a mineral oil or a synthetic oil; a solid lubricant (for example, talc, boron nitride, black lead, mica, or molybdenum disulfide which preferably have an average particle diameter between 0.5 and 30 [mu]m and of which the content is between 1 and 10 mass%); a thermosetting resin (various resins such as melamine resin, urea resin, and phenol resin having different average molecular weights can be selected and used depending on the necessary adhesive force); and a polymer compound (for example, a synthetic wax or polybutene). Said die release agent is used by being coated on the inner surface of a die for casting or forging.
Description
Technical field
The present invention relates to mold release compositions (die relase agent composition).More particularly, the present invention relates to mold release compositions, described mold release compositions is by being applied to the mould of squeeze casting for aluminium alloy etc., low pressure casting etc. or using for the mould of the die forging (die forging) of aluminium alloy, aluminum steel etc.
Background technology
Metal forming process as using mould, has casting method and die forging method.The example of casting method comprises low-pressure casting method, compression casting method etc.In such casting method, with motlten metal, filling before mould, use releasing agent for suppressing reacting (welding) and contributing to the object of the demoulding of shaped article between mould and motlten metal.In low-pressure casting method, as a kind of squeeze casting method in compression casting method etc., owing to using motlten metal as the low velocity of aluminium alloy loading mould cavity, so keep mold temperature and molten metal temperature to be retained as higher than typical high speed compression casting method, to guarantee the mobility of motlten metal during filling.As the releasing agent that is applicable to such high-temperature molding, in most of the cases use the releasing agent that contains powder so that effect of heat insulation to be provided.In low pressure casting, can use the mould washing agent (die wash) that comprises inorganic powder and waterglass.
Conventionally, releasing agent comprises water base type and oil base type.For example, in casting method, before cast, releasing agent is applied to casting mould to form coating so that use casting mould by spraying.Releasing agent as water type, use such composition, the inorganic powder, adhesive component that wherein water is used as decentralized medium and talcum etc. as water-soluble polymer, for dispersant that this inorganic powder is dispersed in water and be intended to provide the organic compound that lubricates and prevent from biting (seizing) as wax or organosilicon (silicone, silicone) mixed etc.As oil base releasing agent, use such composition, wherein the dilutions such as solvent for silicone oil.
Yet in each in low-pressure casting method and squeeze casting method, the low and mold temperature of filling speed and molten metal temperature are retained as height, so that there are a large amount of problems relevant to releasing agent.For example,, the in the situation that of water type releasing agent, because Lay is stepped on Dan Frost phenomenon (Leidenfrost phenomenon) and is difficult to form coating.In order to obtain enough film thicknesses, need to increase spray time and cause mold temperature to decline.On the other hand, oil type releasing agent has the coating formability that is better than water type releasing agent, but need to spray control techniques with the excessive injection of restriction releasing agent.In addition, excessive coating formation causes the pollution of mould due to the decomposition of components of releasing agent, thereby affects accuracy to size.When mold temperature is high especially, releasing agent component generating gasification and being comprised in product (as cast article), thus cause such as the problem that occurs internal flaw.Therefore,, in order to suppress the generation of such problem, can use the method that reduces emitted dose.
More specifically, as containing powder and making water as the releasing agent of decentralized medium, known such aqueous release agent, (for example, referring to,, patent documentation 1) that it contains inorganic lubricant, spherical resin particle and organic metal carboxylate.Equally, as containing separately powder and with an organic solvent as the releasing agent of decentralized medium, known such lubricant releasing agent, it contains pulverulent solids lubricant, adhere to improver (adhesion improver) and volatile solvent (referring to, for example, patent documentation 2), and known such metal casting releasing agent, its solvent that contains the dynamic viscosity with regulation, the inorganic powder of tone with regulation and the inorganic powder of graphite, carbon black etc. (referring to patent documentation 3).
Prior art document
Patent documentation
Patent documentation 1
JP-A-2001-259788
Patent documentation 2
JP-A-2000-33457
Patent documentation 3
JP-A-2008-93722
Summary of the invention
The problem that invention will solve
Yet, thereby water type releasing agent adversely affects the accuracy to size of product and outward appearance owing to using to be deposited on continuously on mould.This makes to need regular clean operation and causes that production efficiency reduces.On the other hand, a kind of method that is intended to reduce deposition causes releasing agent adhesiveness (coating formability) to decline.Therefore, be not easy to suppress to deposit simultaneously and provide coating formability.In addition, reduce emitted dose and in most cases cause spray nozzle clogging to suppress being excessively formed on of coating, especially when releasing agent contains powder.Therefore, need such releasing agent, even its have allow surpass under the high mold temperature of 300 ℃, also allow to obtain enough hot retentivities and enough can release property (can release property, coating formability releasability) and its are unlikely deposited on mould and plug nozzle.
In low-pressure casting method, can use mould washing agent, but cause such as inhomogeneous coating layer thickness and due to the problem of the high surface roughness of the cast article due to rough coatings surface.In addition,, because coating becomes thinner in time, also there is the problem of the accuracy to size decline of product.
In view of above-mentioned conventional cases, realized the present invention, and its objective is a kind of releasing agent is provided, described releasing agent is by being applied to the mould of squeeze casting for aluminium alloy etc., low pressure casting etc. or using for the mould of the die forging of aluminium alloy, aluminum steel etc.
The means of dealing with problems
When by the thermosetting resin with excellent heat resistance during as adhesive component in releasing agent, form solid cladding and this coating can release property also the behavior of the thermal decomposition by thermosetting resin be enhanced.That is, by the thermosetting resin of mix predetermined quantities in forming the technique of coating, form solid cladding and, after contacting with high-temperature molten metal, this coating becomes fragile and easily removes.By providing equally, contain mineral oil as decentralized medium and use kollag as the oil type releasing agent of demoulding component, the decomposition of releasing agent is suppressed and form and have the coating of adequate thickness, thereby guarantees hot retentivity and allow the mold temperature that keeps predetermined.
In addition, depend on mold temperature, by mixed polymerization compounds, as wax, can obtain and there is the more releasing agent of excellent properties.That is, when kollag and thermosetting resin are dispersed in mineral wet goods and add wax etc. to it, can under the short spraying phase, form coating, even if surpassing on the mould of special high-temperature of 400 ℃, and the production efficiency improving.On the other hand, when the rippability that is tending towards exceedingly adhering to mould and coating under releasing agent is being no more than the temperature of 400 ℃ is tending towards deteriorated, use other wax, the another kind of polymer compound that is different from wax, for example, polybutene etc. provide similar high coating formability, do not damage the rippability of coating simultaneously.
As mentioned above, by selecting according to mold temperature and optionally utilizing the polymer compound kind that will use and the combined amount of further adjusting this polymer compound, can provide simultaneously the first performance as can release property or hot retentivity and the second performance as rippability.In addition, by processing as high-speed stirred in preparing the process of releasing agent, kollag can be disperseed fully.This can prevent spray nozzle clogging.
Thermosetting resin has and depends on its mean molecule quantity and different viscosity (when heat fusing), curing rate etc., and can provide adhesion strength according to its molecular weight.Therefore, by using the thermosetting resin with predetermined mean molecule quantity according to forming method and condition of molding as mold temperature, can between shaping period, form solid cladding, and allow utilize the thermal decomposition of thermosetting resin subsequently and the easily demoulding.The same residue of easily removing releasing agent from die surface.In addition, have the thermosetting resin of predetermined mean molecule quantity by use, such mold release compositions can also be provided, described mold release compositions has the trend that is unlikely deposited on mould and causes spray nozzle clogging.
The discovery based on such has realized the present invention.
The present invention is as follows.
1. a mold release compositions, described mold release compositions comprises mineral oil or artificial oil, kollag, thermosetting resin and polymer compound, and uses by being applied to the inner surface of the mould for casting or forging.
2. according to the mold release compositions of above-mentioned the 1st, wherein said kollag is at least one in talcum, boron nitride, graphite, mica, molybdenum bisuphide and fullerene (fullerene).
3. according to above-mentioned the 1st or the 2nd 's mold release compositions, the average grain diameter of wherein said kollag is 0.5 to 30 μ m, and when the total content of described mineral oil or artificial oil, kollag, thermosetting resin and polymer compound is 100 quality %, the content of described kollag is 1 to 10 quality %.
4. according to the mold release compositions of any one in above-mentioned the 1st to 3, wherein said thermosetting resin is phenol resin (phenolic resins, phenol resin), at least one in epoxy resin, urea resin (Lauxite, urea resin), melmac (melamine resin), alkyd resins (alkyd resin) and unsaturated polyester resin.
5. according to the mold release compositions of any one in the 1st to 4 of the claims, wherein described mold release compositions is being applied to after mould, described thermosetting resin serves as adhesive and the temperature between shaping period issues solution estranged.
6. according to the mold release compositions of any one in the 1st to 5 of the claims, wherein, when the number-average molecular weight of described thermosetting resin is 5,000 to 500,000 and forming temperature while being 300 to 550 ℃, adhesion strength is 0.1 to 5.0MPa.
7. according to the mold release compositions of any one in above-mentioned the 1st to 6, wherein said polymer compound is at least one in synthetic wax and native paraffin.
8. according to the mold release compositions of any one in above-mentioned the 1st to 6, wherein said polymer compound is at least one in synthetic wax and polybutene.
9. according to the mold release compositions of above-mentioned the 8th, wherein, during being applied to mould at described mold release compositions, the temperature of described mould is not less than 250 ℃ and during lower than 400 ℃, use described polybutene, and when during described mold release compositions is applied to mould, the temperature of described mould is not less than 400 ℃ and while being no more than 550 ℃, uses described synthetic wax.
Note, the mean molecule quantity in the present invention is to infiltrate by gel the polystyrene equivalents average molecular weight that chromatography is measured.
Invention effect
Mold release compositions according to the present invention contains mineral oil or artificial oil, kollag, thermosetting resin and polymer compound.Therefore, even on the mould in high temperature, also can be promptly by the component of releasing agent, form coating, and the temperature that suppresses mould declines.In addition, between shaping period, thereby coating easily decomposition occurs by the heat from mould and motlten metal, become fragile, this significantly reduces the deposition of releasing agent component.As a result of, can provide the product with excellent accuracy to size and excellent appearance.In addition,, because releasing agent has high-fire resistance, can also provide the sand holes of the induced gas that the internal flaw with minimizing produces as the decomposition due to releasing agent component.
Kollag is that at least one the situation in talcum, boron nitride, graphite, mica, molybdenum bisuphide and fullerene, the decomposition of releasing agent component is fully suppressed therein.This allows to form has the coating of predetermined thickness and guarantees hot retentivity.As a result of, can keep predetermined mold temperature.
Therein the average grain diameter of kollag be 0.5 to 30 μ m and when the total content of mineral oil or artificial oil, kollag, thermosetting resin and polymer compound is 100 quality % described in the content of kollag be that in the situation of 1 to 10 quality %, powder particle is not assembled.As a result of, the obstruction of nozzle is suppressed and because the inhomogeneities of the coating surface due to coarse particles is also reduced.
Thermosetting resin is at least one the situation in phenol resin, epoxy resin, urea resin, melmac, alkyd resins and unsaturated polyester resin therein, and the rippability that forms sufficient solid cladding and coating further improves by the thermal decomposition behavior of thermosetting resin.
After mold release compositions is applied to mould, thermosetting resin serves as adhesive and in the situation that the temperature between shaping period issues solution estranged, solid cladding can form and be thermal decomposited afterwards between shaping period therein.This allows the easy demoulding and easily from die surface, removes releasing agent residue.
Number-average molecular weight when thermosetting resin is 5 therein, 000 to 500,000 and forming temperature while being 300 to 550 ℃, adhesion strength is in 0.1 to 5.0MPa situation, by there is the thermosetting resin of predetermined mean molecule quantity according to uses such as forming method, conditions of molding, can provide the mold release compositions with enough adhesion strengths.
Polymer compound is at least one the situation in synthetic wax and native paraffin therein, even surpassing on the mould of extra high temperature of 400 ℃, also can form coating, and enhance productivity under the short spraying phase.
Polymer compound is at least one the situation in synthetic wax and polybutene therein, by optionally using these polymer compounds according to mold temperature, can within the scope of wider mold temperature, form coating.
Therein when during mold release compositions is applied to mould, the temperature of described mould is not less than 250 ℃ and during lower than 400 ℃, use polybutene, and when being not less than 400 ℃ and be no more than 550 ℃ in the situation that mold release compositions is applied to during mould the temperature of mould, can easily form coating with shorter spray time, and irrelevant with the temperature of mould.
Accompanying drawing explanation
[Fig. 1] Fig. 1 is explanatory, and it shows for spraying the sketch map of device of mold release compositions to form coating and to remove the air blast of formed coating.
[Fig. 2 (a) and 2 (b)] Fig. 2 (a) is explanatory, it shows that wherein releasing agent applies to form the state of coating to steel plate by spraying, and Fig. 2 (b) is explanatory, the metallic cylinder that mould is wherein simulated in its demonstration is placed in coating and molten aluminum is applied to the state in this cylinder.
[Fig. 3 (a) is to 3 (d)] Fig. 3 (a) is explanatory, it shows that wherein mold release compositions applies to form the state of coating to steel plate by spraying, Fig. 3 (b) is explanatory, the metallic cylinder that mould is wherein simulated in its demonstration is placed in coating and molten aluminum is provided to the state in cylinder, Fig. 3 (c) is explanatory, it shows the state that wherein metallic cylinder and discoid formed body have been removed from coating top, and Fig. 3 (d) is explanatory, it shows the state of coating of wherein removing by air blast.
[Fig. 4 (a) is to 4 (c)] Fig. 4 (a) to 4 (c) be for measuring the explanatory of the sample that destroys shear stress, wherein Fig. 4 (a) is the cross section of iron plate before joint and surperficial schematic diagram, Fig. 4 (b) is the cross section of the iron plate after engaging and surperficial schematic diagram, and Fig. 4 (c) is the schematic diagram of the direction that shows that wherein the iron plate of two joints is pulled.
[Fig. 5] Fig. 5 is curve map, and it shows the number-average molecular weight of phenol resin and depends on the correlation between the destruction shear strength different in conjunction with temperature.
[Fig. 6] Fig. 6 is curve map, and it relates to the number-average molecular weight of phenol resin and the correlation between adhered area ratio.
The specific embodiment
Below will describe the present invention in detail.
Mold release compositions of the present invention contains mineral oil or artificial oil, kollag, thermosetting resin and polymer compound.Described mold release compositions is used by being applied to the inner surface of the mould for casting or forging.
Mineral oil or artificial oil as decentralized medium are not particularly limited.As mineral oil, can use the oil of various mineral matters.Machine oil that the example of mineral oil is included in the turbine oil of describing in JIS K2213, the gear oil of describing in JIS K2219, describe in JIS K2238 etc.As artificial oil, can use the various oil of polyalphaolefin class, polyesters, polyethylene glycols etc.Especially, for coating formability with suppress kollag precipitation, use have according to JIS K2283 40 ℃ of measurements, be preferably 10 to 400mm
2/ s, more preferably 10 to 250mm
2/ s or most preferably be 10 to 100mm
2the mineral oil of the dynamic viscosity of/s or artificial oil.When the total amount of mineral oil or artificial oil, kollag, thermosetting resin and polymer compound is 100 quality %, the combined amount of mineral oil or synthetic resin is preferably 75 to 90 quality % or 80 to 85 quality % more preferably.
Kollag is also not particularly limited.The example of kollag comprises talcum, boron nitride, graphite, mica, molybdenum bisuphide and fullerene.Preventing that aspect during spraying obstruction of nozzle, the mean molecule quantity of kollag is preferably and is no more than 30 μ m, or 0.5 to 30 μ m more preferably.When the total amount of mineral oil or artificial oil, kollag, thermosetting resin and polymer compound is 100 quality %, the combined amount of kollag is preferably 1 to 10 quality %, or 3 to 7 quality % more preferably.The aggregate particles of kollag may cause nozzle during spraying to stop up.Therefore when aggregate particles applies with former state, thereby coarse particles is present in coating and causes such as occurring irregular problem in the product surface forming.In order to prevent this problem, during preparing mold release compositions, preferably by using the abundant dispersing solid lubricant of mechanical treatment of high speed agitator, colloid mill etc.
Thermosetting resin is also not particularly limited.The example of thermosetting resin comprises phenol resin, epoxy resin, urea resin, melmac, alkyd resins, unsaturated polyester resin etc.Thermosetting resin allows to form solid cladding by being comprised in mold release compositions.Thermosetting resin has as the high-performance of adhesive and by be thermal decomposited the rippability that improves coating after moulding.The mean molecule quantity of thermosetting resin is preferably 6,000 to 1,000,000.In the time will obtaining king-sized adhesion strength, its mean molecule quantity is preferably 6,000 to 100,000.In order to allow easily to peel off when the demoulding, its mean molecule quantity is preferably and surpasses 100,000 and be no more than 1,000,000.Therefore, the mean molecule quantity of thermosetting resin preferably considers that adhesion strength and rippability determine.And, aspect raising rippability, when the total amount of mineral oil or artificial oil, kollag, thermosetting resin and polymer compound is 100 quality %, the combined amount of thermosetting resin is preferably 1 to 15 quality %, 2 to 12 quality % more preferably, or most preferably be 3 to 7 quality %.
The example of polymer compound comprises that synthetic wax is as paraffin, Tissuemat E, polypropylene wax, polyethylene glycol oxide wax and PPOX wax, and native paraffin is as beeswax, Brazil wax and montan wax, polybutene, poly-(alkylidene) glycol etc.Note, because polymer compound occurs to decompose by heat, produce gas, so the excessive mixing of polymer compound may affect the quality of coating and shaped article.Therefore, when the total amount of mineral oil or artificial oil, kollag, thermosetting resin and polymer compound is 100 quality %, the combined amount of polymer compound is preferably 2 to 15 quality %, 2 to 10 quality % more preferably, or most preferably be 4 to 8 quality %.
As polymer compound, synthetic wax, polybutene etc. is preferred.As synthetic wax, paraffin, polyethylene glycol oxide wax or PPOX wax are preferred, and especially, paraffin or Tissuemat E are preferred.Preferably, according to mold temperature, optionally use polymer compound.Especially preferredly be, as polymer compound, use synthetic wax as paraffin or polybutene, and when during releasing agent is applied to mould, the temperature of mould is not less than 250 ℃ and during lower than 400 ℃, uses polybutene, and when during releasing agent is applied to mould, the temperature of mould is not less than 400 ℃ and while being no more than 550 ℃, uses synthetic wax as paraffin.By this way, under short spray time, can easily form the coating with predetermined thickness.
The another kind of lubricant that can also make mold release compositions contain to be different from above-mentioned kollag is as lubricant composition.Another kind of lubricant is not particularly limited.The example of another kind of lubricant includes organic silicon compound, wax, is different from the another kind of artificial oil of the above-mentioned artificial oil as decentralized medium, inorganic powder etc.As organo-silicon compound, except silicone oil or silicone wax, can use organopolysiloxane etc., it is by partially or completely modifications such as alkyl, aralkyl, carboxyalkyl or carboxyalkyl, hydroxyl-alkyl, aminoalkyls.
As another kind of lubricant, except above-mentioned various lubricants, can use grease as animal/vegetable fat, polyester is synthetic lubricant fluid, ZnDTP, MoDTP, ZnDTC, MoDTC, phosphorus system or sulphur are EP agent, sulfoacid calcium etc.Except these lubricants, can use any lubricant of the releasing agent that is generally used for compression casting and be not particularly limited.When the total amount of mineral oil or artificial oil, kollag, thermosetting resin and polymer compound is 100 mass parts, the combined amount of another kind of lubricant is preferably 1 to 10 mass parts.
Use the thickness of the coating of mold release compositions formation can be controlled as 2 to 20 μ m.The thickness of coating is preferably 3 to 15, or is preferably 5 to 10 μ m.When the thickness of coating is less than 2 μ m, lubricity, hot retentivity or can release property may have problems so that releasing agent does not provide enough performances.On the other hand, when the thickness of coating surpasses 20 μ m, can release property variation and the residue of releasing agent component may be deposited on die surface, this may cause less desirable releasing agent component, its catabolite etc. to be blended in the product of formation.For the thickness of coating being remained in the scope shown in above, depend on the shape of mould etc., with respect to being 0.004m
2the area of inner surface of mould, mold release compositions conventionally with 0.07 to 0.17cm
3(or in particular, approximately 0.10 to 0.14cm
3) amount apply.
For form the method for coating on mould surface, the preparation of formed body and being not particularly limited for remove the method for coating after moulding.For example, use the device as in Fig. 1, can carry out the formation of coating by the method as schematically shown in Fig. 2 and 3, the preparation of formed body and the removal of coating.
The nozzle using during coating formation is not particularly limited.Can use external mix two-fluid mixing nozzle, as the two-fluid mixing nozzle 1 with needle-valve in Fig. 1.In Fig. 1, pipeline b is connected to compressor and is sent in three pipelines by connector 6 from the forced air of this compressor.Pipeline 63 is provided with the head tank 4 that pressure-control valve 34 and Qi Nei accommodate mold release compositions.On the other hand, pipeline 61 is provided with pressure-control valve 32 and port magnetic valve (SOL) (magnetic valve) 22.Equally, pipeline 62 is provided with pressure-control valve 33 and port magnetic valve 23.
In the device of above-mentioned Fig. 1, be adjusted under the pressure of predetermined value, releasing agent in head tank 4 is fed in the two-fluid mixing nozzle 1 with needle-valve from pipeline 63, supplies with under predetermined pressure and with the air (wanting injected air) of predetermined flow velocity from pipeline 61 simultaneously.In addition, by only handling solenoid control timer 5 in interval when preset, carry out operation port magnetic valve 23, and air (control air) is from pipeline 62 supplies.By air (control air), operation needle-valve and, only during the above-mentioned needle-valve of operation, from the releasing agent of pipeline 63 supply and injected and mix at the point of nozzle from the air of pipeline 61 supplies.Meanwhile, mixed releasing agent component and air adhere to mould and form coating.Then, as molten aluminium alloy, cooling to molten metal feed in mould, thus then from mould, discharge and produce shaped article.
In Fig. 1, pipeline a is connected to compressor and makes and through excess pressure, regulates and process velocity of flow adjust in port magnetic valve 21 in pressure-control valve 31 from the forced air of compressor equally.Forced air through excess pressure adjusting and velocity of flow adjust is shown in Fig. 3 (d) from being connected to the air-blast nozzle 40[of pipeline c] in coating, blow out to remove releasing agent component and the catabolite thereof being retained on die surface.Afterwards, repeat these steps.
Embodiment
Hereinafter, will and utilize Fig. 2 and 3 describe particularly the present invention with embodiment.
In the following embodiment showing, by steel plate 7 and cylindrical mold 20, simulate mould.For for spraying mold release compositions to form coating and remove the air blast of coating after moulding, use the device showing in above-mentioned Fig. 1.
Embodiment 1 to 10
[1] preparation of mold release compositions
Mineral oil (has the 20mm 40 ℃ of measurements according to JIS K2283
2the dynamic viscosity of/s), in, use typical agitator (revolution; 300rpm) as device, by paraffin (embodiment 1 to 4,6,7,9 and 10 and table 1 and 2 in each in be called as " wax ") or polybutene (embodiment 5 and 8) with each mass ratio shown in table 1 and 2, be mixed into mineral oil and (there is the 20mm 40 ℃ of measurements according to JIS K2283
2the dynamic viscosity of/s) in to be dissolved in wherein.Note, in the time will comprising wax, by heating, wax is dissolved in and in mineral oil, then carries out said process.Then, with the quality that shows in table 1 and 2 than the kollag showing separately in mixture table 1 and 2 and thermosetting resin and use high speed agitator (revolution; 7000rpm) stir to mix.Thus, make mold release compositions.
Table 1
Table 2
[2] performance evaluation
Performance for the various mold release compositions of preparation in following each project appraisal above-mentioned [1].
(1) adhesion property
The every kind of mold release compositions showing in table 1 and 2 be loaded in the head tank 4 of Fig. 1 and use forced air that the internal pressure of this groove is adjusted to 0.1MPa.Then, steel plate 7 (length of being made and being measured by SKD61 steel and width are 100x100mm, and thickness is 10mm) is placed on heater.The temperature of steel plate 7 is used the thermocouple 8 of the position that is inserted into the following 2mm of middle part surface that is located at in-plane upper steel plate 7 in it to measure, and is adjusted to the set temperature of 300 ℃, 350 ℃ and 400 ℃.Then, at each set temperature, at steel plate 7 places that will apply, the two-fluid mixing nozzle 1 certainly with needle-valve sprays 0.3cm
3mold release compositions (distance between nozzle and steel plate is 75mm, and injecting time is 1.8 seconds, and is 0.3MPa for the pressure of the air that sprays) [seeing Fig. 2 (a) and 3 (a)].Afterwards, steel plate 7 naturally cools to 30 ℃.The thickness that is formed and adhered to the coating of steel plate 7 by mold release compositions is used electromagnetism apparatus for measuring thickness of thin film to measure and evaluate its adhesiveness.The result of measuring is presented in table 3.
Note, each film thickness in table 3 is the mean value when every kind of mold release compositions is applied to three times under each set temperature.
Table 3
Numeric representation film thickness (unit; μ m)
As can be seen from Table 3, depend on type and the combined amount thereof of kollag, thermosetting resin and polymer compound, the varied in thickness of coating is very large.Therefore, the type, condition of molding by considering motlten metal as temperature, moulding after coating rippability etc. and regulate the thickness of coating to predetermined value, can carry out moulding.
(2) hot retention
With with above-mentioned (1) in same way while evaluating adhesion property, when steel plate 7 reaches the set temperature of 300 ℃, by spraying, every kind of mold release compositions is applied on steel plate 7 to form coating.Then, as motlten metal, supply the 25g molten aluminium alloy (" ADC12 " that describe) [seeing Fig. 2 (b) and 3 (b)] at 680 ℃ in JIS K2219.Then, the maximum temperature that continues to measure the temperature of steel plate 7 and check steel plate.In this case, can say, because the maximum temperature of steel plate 7 is lower, so heat is unlikely transferred to steel plate 7 from motlten metal, that is, the hot retentivity of the coating being formed by every kind of mold release compositions is higher, or in other words, hot retention is more excellent.The result of measuring is presented in table 4.
Table 4
| Mold release compositions | The maximum temperature of steel plate (℃) |
| Embodiment 1 | 430 |
| Embodiment 2 | 440 |
| Embodiment 3 | 435 |
| Embodiment 4 | 475 |
| Embodiment 5 | 440 |
| Embodiment 6 | 465 |
| Embodiment 7 | 460 |
| Embodiment 8 | 455 |
| Embodiment 9 | 435 |
| Embodiment 10 | 430 |
As can be seen from Table 4, scope is that the steel plate maximum temperature of 430 ℃ (in embodiment 1 and 10) to 475 ℃ (in embodiment 4) differs 45 ℃ between minimum and maximum temperature, and the composition that depends on mold release compositions, hot retention alters a great deal.Therefore, by considering that hot retentivity and other performances, as adhesiveness, rippability etc., can arrange the composition of mold release compositions.
(3) stripping performance of coating
With with above-mentioned (1) in same way while evaluating adhesion property, when steel plate 7 reaches the set temperature of 300 ℃, 350 ℃, 400 ℃, 450 ℃ and 500 ℃, by spraying, every kind of mold release compositions is applied on steel plate 7.Then, former state keeps steel plate 7 to reach 30 seconds, then with above-mentioned (2) in for the same way of hot retentivity, to it, supply molten aluminium alloy.Then, allow that steel plate 7 is standing to be reached one minute and remove cylindrical mold 20 and curing disc aluminium shaped article 30[is shown in Fig. 3 (c)].Then, the blow-out nozzle 40[that is certainly connected to the pipeline c of Fig. 1 is shown in Fig. 3 (d)], at coating 10 places, blow air (the air 40a blowing out in seeing Fig. 3 (d) and the coating 10a removing).As the result of evaluating rippability, the coating that whole surface can easily be removed is rated A.Having the part that contacts with motlten metal and can easily be removed needs the coating of part to be for more time rated B with not contacting with motlten metal and compare with A level coating to be removed.There is the part contacting with motlten metal and be rated C with the coating not contacting with motlten metal and wherein each compares removed part of needs longer time with B level coating.The result of evaluating is presented in table 5.
Table 5
As can be seen from Table 5, use therein synthetic wax as in each in the embodiment 1 to 4,6,7,9 and 10 of polymer compound, because the temperature of steel plate is higher, so stripping performance improves.It can also be seen that, use therein polybutene as in each in the embodiment 5 and 8 of polymer compound, because the temperature of steel plate is lower, stripping performance is more excellent.Therefore, be apparent that, depend on the combination of polymer compound type and steel billet temperature, stripping performance is different.On the other hand, wherein use respectively synthetic wax, graphite and phenol resin as the embodiment 6 of polymer compound, kollag and thermosetting resin and wherein use synthetic wax and graphite and also urea resin is had to excellent stripping performance as each in the embodiment 7 of thermosetting resin, and it is irrelevant with the temperature of pipe steel plate, and can find out, these mold release compositions can be in the situation that do not consider that the temperature of steel plate used.
(4) about the type of thermosetting resin
Embodiment 11 to 18
Use the mineral oil using in embodiment 1 as mineral oil, the wax using in embodiment 1 is as polymer compound, the boron nitride using in embodiment 5 is as kollag, with the phenol resin of Four types with different mean molecule quantities as thermosetting resin, and use the melmac of two types with different mean molecule quantities, diallyl phthalate ester resin, and urea resin, prepare mold release compositions in mode in the same manner as in Example 1.Similarly, in the evaluation of above-mentioned adhesion property, the ceiling temperature that film thickness is not less than the mold temperature of 10 μ m is be evaluated as the ceiling temperature that allows adhesion.In addition,, in the evaluation of the stripping performance of each coating, the lower limit that obtains the mold temperature of A grading or B grading is be evaluated as and allows the lower limit temperature peeled off.The result of evaluating is presented in table 6.
As can be seen from Table 6, available mold temperature scope depends on the type of thermosetting resin and difference.Therefore, will understand, preferably according to the mold temperature with releasing agent, optionally use dissimilar thermosetting resin.Therefore for example, when product has large thickness and mold temperature is inevitably high, preferably use the phenol resin with large mean molecule quantity in embodiment 13 or 14.On the other hand, when mold temperature low (under these circumstances, what wherein strengthen is cooling to reduce the cycle time of moulding), preferably use urea resin in embodiment 18 etc.Therefore, can find out, can obtain separately according to the adhesion property of mold temperature and stripping performance simultaneously.
(5) about the mean molecule quantity of the phenol resin as thermosetting resin
Embodiment 19 to 26
Use the mineral oil using in embodiment 1 as mineral oil, the wax using in embodiment 1 is as polymer compound, the boron nitride using in embodiment 5 is as kollag, and phenol resin is as thermosetting resin, in mode in the same manner as in Example 1, prepares mold release compositions.As phenol resin, use the resin of the Four types that there are different mean molecule quantities and use in embodiment 11 to 14.Particularly, using number-average molecular weight is 6000 (embodiment 19 and 23), 10,000 (embodiment 20 and 24), 45,000 (embodiment 21 and 25) and 300, the phenol resin of 000 (embodiment 22 and 26), the sample of preparation as shown in Fig. 4 each and the iron plate of two heating is bonding with it.Use tensile machine, in 350 ℃ (embodiment 19 to 22) or 500 ℃ (embodiment 23 to 26), measure the destruction shear stress of each sample that serves as adhesiveness index.Measurement result is presented in table 7 and Fig. 5.
For the preparation of the material of each in two iron plate Fa of the sample in Fig. 4 and Fb, be SUS304.In two iron plate Fa and Fb, the size of each comprises the length of 35mm, the width of 10mm, and the thickness of 2mm.The length that the phenol resin layer P forming in an end of iron plate Fa measures is about 10mm, and width is about 10mm, and thickness is about 0.2mm (seeing Fig. 4 (a)).By in room temperature (25 to 30 ℃), an end that is heated to the iron plate Fb of 350 ℃ or 500 ℃ being placed on the phenol resin layer P top of iron plate Fa, then make iron plate Fa and Fb naturally cool to room temperature and prepare sample.Measure to destroy in the following manner shear stress: utilize the clamp iron plate Fa of tensile machine and another end of Fb and in Fig. 4 (c) in the direction shown in arrow the rate of extension with 0.1mm/ second pull iron plate Fa and Fb.
Table 7
By table 7 and Fig. 5, can be found out, in each in embodiment 19 to 26, no matter tack temperature how, adhesion strength increases and declines with mean molecule quantity.Thus, will be appreciated that preferably and optionally use the phenol resin with different mean molecule quantities according to forming method.; flowing in weak forming method (as low pressure casting) of molten aluminum therein, is used the thermosetting resin with relatively large mean molecule quantity to allow the release agent coating not being stripped under the flowing of molten aluminum can easily peel off by blowing after the demoulding.On the other hand, in needing the forming method of the high adhesion strength of release agent coating (as compression casting or warm and hot forging), use the thermosetting resin with less mean molecule quantity to allow to obtain required adhesion strength.
Take the result of the evaluation of the type about thermosetting resin described in above (4) and the evaluation of the mean molecule quantity about phenol resin described in above (5) into consideration, think, conventionally, when the mean molecule quantity of thermosetting resin is larger, the higher and thermosetting resin of the viscosity of thermosetting resin when melting unlikely spreads on die surface.Also think, when mean molecule quantity is larger, thermosetting resin solidify in the short period of time and therefore thermosetting resin unlikely spread on die surface.Therefore,, when mean molecule quantity is larger, bond area is less and thermosetting resin is curing in the short period of time.As a result of, the destruction shear stress that enough adhesion strengths is not provided and serves as the index of adhesion strength is tending towards declining.
Based on above-mentioned discovery, it is upper and measure the adhered area ratio of adhesive surface that the phenol resin powder with different mean molecule quantities is spread in respectively iron plate in the high temperature of 500 ℃ separately.Measurement result is presented in table 7 and Fig. 6.In this test, thermosetting resin is by independent spreading.Therefore, measurement result may be different from the result obtaining during by spreading as the mold release compositions that contains separately other components when thermosetting resin.Yet, by table 7 and Fig. 6, can be found out, when the mean molecule quantity of phenol resin is larger, adhered area is lower, and it is less therefore to destroy shear stress.Therefore, will understand, phenol resin has overall identical trend.
Note, adhered area refers to [(the actual area that adheres to iron plate of phenol resin)/spreading has the area of phenol resin powder)] x100 than (%).Can think, when temperature is that 350 ℃ and mean molecule quantity are 45,000 o'clock, cure retardation and reduce viscosity, increases adhered area ratio, and increases and destroy shear stress.On the other hand, can think, when mean molecule quantity is 300,000 o'clock, cure retardation, but due to original high viscosity, adhered area increases than not increasing and destroying shear stress, but only in slight extent.
Understandably, for thermosetting resin commonly, when mean molecule quantity is larger, higher and curing time of the viscosity of thermosetting resin when moulding is shorter.Therefore, can think, the another kind of thermosetting resin that is different from phenol resin also has identical trend.That is, can think, not only phenol resin, and another kind of thermosetting resin also has identical trend as melmac or urea resin.By selecting the type of thermosetting resin according to forming method and condition of molding as mold temperature, and carry out regulation mean molecule quantity according to required adhesion strength, desirable mold release compositions can be provided.
Industrial applicibility
The present invention can be for the technical field in metal mould forming, and especially can be for technical field as the low pressure casting of aluminium alloy etc. or for its squeeze casting method or die forging.
The explanation of letter or number
1; The two-fluid mixing nozzle 21,22,23 with needle-valve; Port magnetic valve (magnetic valve) 31,32,33,34; Pressure-control valve 4; Head tank 5; Solenoid control timer 6; Connector 7; Steel plate 8; Thermocouple 9; The releasing agent 10 spraying; The coating 10a of releasing agent; The coating 20 of removing; Cylindrical mold 30; Formed body 40; Blow-out nozzle 40a; The air Fa blowing out; An iron plate Fb; Another piece iron plate P; Phenol resin layer
Claims (9)
1. a mold release compositions, described mold release compositions comprises:
Mineral oil or artificial oil;
Kollag;
Thermosetting resin; With
Polymer compound,
Wherein said mold release compositions is used by being applied to the inner surface of the mould for casting or forging.
2. mold release compositions according to claim 1,
Wherein said kollag is at least one in talcum, boron nitride, graphite, mica, molybdenum bisuphide and fullerene.
3. mold release compositions according to claim 1 and 2,
The average grain diameter of wherein said kollag is the scope of 0.5 micron to 30 microns, and
Wherein, when the total content of described mineral oil or described artificial oil, described kollag, described thermosetting resin and described polymer compound is 100 mass percent, the content of described kollag is in the scope of 1 mass percent to 10 mass percent.
4. according to the mold release compositions described in any one in claims 1 to 3,
Wherein said thermosetting resin is at least one in phenol resin, epoxy resin, urea resin, melmac, alkyd resins and unsaturated polyester resin.
5. according to the mold release compositions described in any one in claim 1 to 4,
Wherein, when described mold release compositions is applied to described mould, described thermosetting resin provides adhesive, and
Wherein said thermosetting resin is decomposed at the temperature between shaping period.
6. according to the mold release compositions described in any one in claim 1 to 5,
Wherein, when the number-average molecular weight of described thermosetting resin, at 5,000 to 500,000 scope and forming temperature during the scope at 300 to 550 ℃, adhesion strength is in the scope of 0.1MPa to 5.0MPa.
7. according to the mold release compositions described in any one in claim 1 to 6,
Wherein said polymer compound is at least one in synthetic wax and native paraffin.
8. according to the mold release compositions described in any one in claim 1 to 6,
Wherein said polymer compound is at least one in synthetic wax and polybutene.
9. mold release compositions according to claim 8,
Wherein, during being applied to described mould at described mold release compositions, the temperature of described mould is equal to or higher than 250 ℃ and during lower than 400 ℃, uses described polybutene, and
Wherein, during being applied to described mould at described mold release compositions, the temperature of described mould is equal to or higher than 400 ℃ and while being equal to or less than 550 ℃, uses described synthetic wax.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-011452 | 2012-01-23 | ||
| JP2012011452 | 2012-01-23 | ||
| PCT/JP2013/051106 WO2013111708A1 (en) | 2012-01-23 | 2013-01-21 | Die release agent composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104125868A true CN104125868A (en) | 2014-10-29 |
| CN104125868B CN104125868B (en) | 2016-01-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380006153.0A Expired - Fee Related CN104125868B (en) | 2012-01-23 | 2013-01-21 | Mold release compositions |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150057401A1 (en) |
| JP (1) | JP2013173183A (en) |
| CN (1) | CN104125868B (en) |
| DE (1) | DE112013000661T5 (en) |
| WO (1) | WO2013111708A1 (en) |
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| CN105602687A (en) * | 2016-01-08 | 2016-05-25 | 泉州众志金刚石工具有限公司 | Release agent composition |
| CN105643847A (en) * | 2016-01-05 | 2016-06-08 | 苏州逾世纪生物科技有限公司 | Novel safe and environment-friendly wax releasing agent and preparation method thereof |
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| CN105458161A (en) * | 2015-11-27 | 2016-04-06 | 浙江龙游展宇有机玻璃有限公司 | Powdery release agent composition |
| CN105643847A (en) * | 2016-01-05 | 2016-06-08 | 苏州逾世纪生物科技有限公司 | Novel safe and environment-friendly wax releasing agent and preparation method thereof |
| CN105602687A (en) * | 2016-01-08 | 2016-05-25 | 泉州众志金刚石工具有限公司 | Release agent composition |
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| CN116656414A (en) * | 2022-01-27 | 2023-08-29 | 犇沃(浙江)科技有限公司 | Hot die forging release agent and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013173183A (en) | 2013-09-05 |
| WO2013111708A1 (en) | 2013-08-01 |
| CN104125868B (en) | 2016-01-13 |
| US20150057401A1 (en) | 2015-02-26 |
| DE112013000661T5 (en) | 2014-11-13 |
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