CN111073439A - Protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel - Google Patents
Protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel Download PDFInfo
- Publication number
- CN111073439A CN111073439A CN201911337938.1A CN201911337938A CN111073439A CN 111073439 A CN111073439 A CN 111073439A CN 201911337938 A CN201911337938 A CN 201911337938A CN 111073439 A CN111073439 A CN 111073439A
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- CN
- China
- Prior art keywords
- chemical milling
- stainless steel
- titanium alloy
- acidic media
- protective adhesive
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Classifications
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- 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
- C09D153/00—Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D153/02—Vinyl aromatic monomers and conjugated dienes
- C09D153/025—Vinyl aromatic monomers and conjugated dienes modified
-
- 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
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- 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
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The invention provides the special protective adhesive for chemical milling of acidic media such as titanium alloy, stainless steel and the like, which has the advantages of good adhesion with substrates such as titanium alloy, stainless steel and the like, good compactness of a paint film, good long-term acid resistance, and small change of tensile strength and elongation of the paint film after long-term acid resistance, and can meet the requirement of secondary chemical milling by coating once. The adhesive force of a coating film and a base material is further increased by introducing maleic anhydride grafted SEBS resin, the compatibility of each component is improved by introducing SIS resin containing side chain methyl, the adhesive force has the performance of high temperature and low cold by optimizing the proportion of the styrene-butadiene-styrene copolymer resin matched with coumarone resin for improving initial adhesion, the styrene-butadiene-styrene copolymer resin is matched with SEBS resin with good acid resistance, high temperature resistance and aging resistance in a certain proportion, the protective adhesive can still have good flexibility and excellent adhesive force in the long-time chemical milling process, and the use requirements in the chemical milling process under different conditions are met.
Description
Technical Field
The invention relates to a protective adhesive special for chemical milling of acidic media such as titanium alloy, stainless steel and the like, which has good long-time performance of resisting acidic solution, can not fall off and be dissolved in the acidic solution to pollute the acidic solution, and has good manual strippability after chemical milling is finished. The etching ratio of the processing area is well controlled, the phenomena of 'edge running, poor straightness' and the like are avoided, and the requirements of chemical milling process specifications are completely met.
Background
Chemical milling (chemical milling for short) is a processing technique of uniform corrosion of metal materials by means of chemical solution, i.e. a workpiece is processed by means of chemical corrosion. In general, alkaline chemical milling solutions are used for chemical milling of aluminum alloys, and acidic chemical milling solutions are used for chemical milling of titanium alloys, stainless steels and the like. The preparation of the acidic milling solution has various methods, and the chemical milling is carried out under a certain temperature condition (70 ℃) and under a room temperature condition. At present, most of chemical milling protective adhesives for titanium alloys, stainless steels and the like at home and abroad are AC-850 of American AC Products, Inc., the Products are alkaline chemical milling solutions and acidic chemical milling solution universal chemical milling protective adhesives, and when the protective adhesives are used for acidic chemical milling protection, the problems of poor adhesion, poor long-time acid resistance, serious reduction of tensile strength and elongation of a paint film after long-time acid resistance, inconvenience for manual stripping removal after chemical milling, need for recoating of chemical milling protective adhesives for secondary chemical milling when intermittent operation downtime is long and the like exist, and the development of the protective adhesives special for chemical milling of acidic media such as titanium alloys, stainless steels and the like is urgently needed.
Disclosure of Invention
The invention aims to provide the special protective adhesive for chemical milling of acidic media such as titanium alloy, stainless steel and the like, which has the advantages of good adhesion with substrates such as titanium alloy, stainless steel and the like, good compactness of a paint film, good long-term acid resistance, and small change of tensile strength and elongation of the paint film after long-term acid resistance, and can meet the requirement of secondary chemical milling by one-time coating.
The invention relates to a technical scheme of a special protective adhesive for chemical milling of acidic media such as titanium alloy, stainless steel and the like, which comprises the following steps:
the coating comprises the following components in percentage by mass:
dissolving 1, 2, 3 and 4 with part 9 completely, adding 5, 6, 7 and 8 under stirring, mixing the above materials with high speed stirrer, grinding with sand mill to fineness of 35 μm or less, adjusting solid content and viscosity with the rest part 9, filtering, and packaging to obtain the final product.
The SEBS resin is a triblock copolymer of a polyethylene-butylene elastic block which takes polystyrene as a terminal segment and polybutadiene hydrogenation. The molecular weight is 120000-150000.
The maleic anhydride grafted SEBS resin is a triblock copolymer of a polyethylene-butylene elastic block which is modified by maleic anhydride, takes polystyrene as a terminal block and is hydrogenated by polybutadiene. The molecular weight is 100000-120000.
The SIS resin is a styrene-isoprene block copolymer, and the molecular weight is 80000-100000.
The mixed solvent is toluene: xylene-3: 2.
The pigment is titanium dioxide: phthalocyanine green-5: 1.
The filler is white carbon black and at least one or more of talcum powder, kaolin, mica powder and precipitated barium sulfate.
The auxiliary agents are defoaming agents BYK-085, rheological auxiliary agents BYK-110, BYK-306 and BYK-103.
The antioxidant is 1010: 168-1: 1.
The invention further increases the adhesive force of the coating film and the base material by introducing maleic anhydride grafted SEBS resin, improves the compatibility of each component by introducing SIS resin containing side chain methyl, ensures that the coating film has the performance of high temperature and low temperature of adhesive force by optimizing the proportion of the styrene-butadiene-styrene (SIS) resin matched with coumarone resin for improving initial adhesive force, can keep good flexibility and excellent adhesive force of the protective adhesive in the long-time chemical milling process by matching the protective adhesive with SEBS resin with good acid resistance, high temperature resistance and aging resistance in a certain proportion, and meets the use requirements in the chemical milling process under different conditions.
Detailed Description
Example 1:
protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel
Weighing 13.8g of SEBS resin, 0.2g of maleic anhydride grafted SEBS resin, 1g of SIS resin and 5g of coumarone resin, adding 25g of toluene and 15g of xylene to completely dissolve the SEBS resin, then adding 5.0g of white carbon black, 5.3g of talcum powder, 0.2g of titanium white, 0.04g of phthalocyanine green, 0.4g of BYK-085, 0.6g of BYK-110, 0.4g of BYK-306, 0.4g of 1010+168, 15g of toluene and 10g of xylene, uniformly mixing, grinding and dispersing by a grinding and dispersing machine until the fineness is less than 35 micrometers, and preparing the special protective adhesive for chemical milling of acidic media such as titanium alloy, stainless steel and the like.
Chemically milling the prepared special protective glue for the acid media such as titanium alloy, stainless steel and the like, coating a glass plate, drying, and stripping to test the elongation; coating on a titanium alloy TC1 part, and carrying out chemical milling test after drying for 24 h.
The test performance results are as follows:
example 2
Protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel
Weighing 14.0g of SEBS resin, 0.3g of maleic anhydride grafted SEBS resin, 1.2g of SIS resin and 5g of coumarone resin, adding 25g of toluene and 15g of xylene to completely dissolve the SEBS resin, then adding 5.2g of white carbon black, 5.0g of talcum powder, 0.2g of titanium white, 0.04g of phthalocyanine green, 0.4g of BYK-085, 0.6g of BYK-110, 0.4g of BYK-306, 0.4g of 1010+168, 15g of toluene and 10g of xylene, uniformly mixing, grinding and dispersing by a grinding and dispersing machine until the fineness is less than 35 micrometers, and preparing the special protective adhesive for chemical milling of acidic media such as titanium alloy, stainless steel and the like.
Chemically milling the prepared special protective glue for the acid media such as titanium alloy, stainless steel and the like, coating a glass plate, drying, and stripping to test the elongation; coating on a titanium alloy TC4 part, and carrying out chemical milling test after drying for 24 h.
The test performance results are as follows:
Claims (10)
1. the special protective adhesive for chemical milling of acidic media such as titanium alloy, stainless steel and the like is characterized by comprising the following components in percentage by mass:
2. the protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel according to claim 1, wherein the SEBS resin is a triblock copolymer of a polyethylene-butylene elastic block with polystyrene as a terminal segment and hydrogenated polybutadiene, and the molecular weight of the triblock copolymer is 120000-150000.
3. The protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel according to claim 1, wherein the maleic anhydride grafted SEBS resin is a triblock copolymer of polystyrene modified by maleic anhydride and an elastic block of polyethylene-butylene hydrogenated by polybutadiene, and the molecular weight of the triblock copolymer is 100000-120000.
4. The protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel according to claim 1, wherein the SIS resin is a styrene-isoprene block copolymer, and the molecular weight is 80000-100000.
5. The protective adhesive special for chemical milling of acidic media such as titanium alloy, stainless steel and the like according to claim 1, wherein the mixed solvent is toluene: xylene-3: 2.
6. The protective colloid special for chemical milling of acidic media such as titanium alloy and stainless steel according to claim 1, wherein the pigment is titanium white: phthalocyanine green-5: 1.
7. The protective adhesive special for chemical milling of acidic media such as titanium alloy, stainless steel and the like according to claim 1, wherein the filler is a mixture of white carbon black and one or more of talcum powder, kaolin, mica powder and precipitated barium sulfate.
8. The protective adhesive special for chemical milling of acidic media such as titanium alloy, stainless steel and the like according to claim 1, wherein the auxiliaries are antifoaming agents BYK-085, rheological auxiliaries BYK-110, BYK-306 and BYK-103.
9. The protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel according to claim 1, wherein the antioxidant is 1010: 168-1: 1.
10. The preparation method of the special protective colloid for chemical milling of acidic media such as titanium alloy, stainless steel and the like according to claim 1 is characterized in that SEBS resin, maleic anhydride grafted SEBS resin, SIS resin and coumarone resin are completely dissolved by using part of mixed solvent, pigment, filler, auxiliary agent and antioxidant are added under stirring, after the raw materials are uniformly mixed by a high-speed stirrer, the raw materials are ground to the fineness of less than or equal to 35 μm by a sand mill, the solid content and the viscosity are adjusted by using the rest of mixed solvent, and the finished product is obtained by filtering and packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337938.1A CN111073439A (en) | 2019-12-23 | 2019-12-23 | Protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337938.1A CN111073439A (en) | 2019-12-23 | 2019-12-23 | Protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111073439A true CN111073439A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911337938.1A Pending CN111073439A (en) | 2019-12-23 | 2019-12-23 | Protective adhesive special for chemical milling of acidic media such as titanium alloy and stainless steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111073439A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116004075A (en) * | 2023-02-02 | 2023-04-25 | 大连科琳连化新材料科技有限公司 | Solvent type chemical milling protective coating and preparation method thereof |
| CN116042040A (en) * | 2022-12-29 | 2023-05-02 | 云南煤化工应用技术研究院有限公司 | Laser ablation engraving line sealant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010643A (en) * | 2010-11-16 | 2011-04-13 | 北方涂料工业研究设计院 | Preparation of novel chemical milling protective coating |
| WO2018224881A1 (en) * | 2017-06-06 | 2018-12-13 | Lucenxia Prescience Ag | Crosslinked styrenic block copolymer |
| CN109575460A (en) * | 2018-12-19 | 2019-04-05 | 天津金发新材料有限公司 | A kind of poly styrene composite material, preparation method and its evaluation method |
| CN110527393A (en) * | 2019-08-16 | 2019-12-03 | 中国航发北京航空材料研究院 | A kind of Chemical milling technology for titanium alloy protection stripping lacquer |
-
2019
- 2019-12-23 CN CN201911337938.1A patent/CN111073439A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010643A (en) * | 2010-11-16 | 2011-04-13 | 北方涂料工业研究设计院 | Preparation of novel chemical milling protective coating |
| WO2018224881A1 (en) * | 2017-06-06 | 2018-12-13 | Lucenxia Prescience Ag | Crosslinked styrenic block copolymer |
| CN109575460A (en) * | 2018-12-19 | 2019-04-05 | 天津金发新材料有限公司 | A kind of poly styrene composite material, preparation method and its evaluation method |
| CN110527393A (en) * | 2019-08-16 | 2019-12-03 | 中国航发北京航空材料研究院 | A kind of Chemical milling technology for titanium alloy protection stripping lacquer |
Non-Patent Citations (3)
| Title |
|---|
| 李子东等: "《现代胶粘技术手册》", 31 January 2002, 新时代出版社 * |
| 王文广等: "《聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
| 王珏等: "《塑料改性实用技术与应用》", 30 June 2014, 印刷工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116042040A (en) * | 2022-12-29 | 2023-05-02 | 云南煤化工应用技术研究院有限公司 | Laser ablation engraving line sealant |
| CN116042040B (en) * | 2022-12-29 | 2023-11-21 | 云南煤化工应用技术研究院有限公司 | Laser ablation engraving line sealant |
| CN116004075A (en) * | 2023-02-02 | 2023-04-25 | 大连科琳连化新材料科技有限公司 | Solvent type chemical milling protective coating and preparation method thereof |
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Application publication date: 20200428 |