CN108264830A - A kind of abrasion-proof polyurea elastomer coating of antistatic and preparation method thereof - Google Patents
A kind of abrasion-proof polyurea elastomer coating of antistatic and preparation method thereof Download PDFInfo
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- CN108264830A CN108264830A CN201810054369.9A CN201810054369A CN108264830A CN 108264830 A CN108264830 A CN 108264830A CN 201810054369 A CN201810054369 A CN 201810054369A CN 108264830 A CN108264830 A CN 108264830A
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- polyurea elastomer
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- elastomer coating
- abrasion
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- 238000000576 coating method Methods 0.000 title claims abstract description 92
- 239000011248 coating agent Substances 0.000 title claims abstract description 88
- 229920002396 Polyurea Polymers 0.000 title claims abstract description 79
- 229920001971 elastomer Polymers 0.000 title claims abstract description 65
- 239000000806 elastomer Substances 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 32
- 229920000570 polyether Polymers 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 29
- 239000004970 Chain extender Substances 0.000 claims abstract description 26
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 25
- 150000001412 amines Chemical class 0.000 claims abstract description 25
- 239000012948 isocyanate Substances 0.000 claims abstract description 17
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 16
- 239000003085 diluting agent Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 4
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 4
- 150000004985 diamines Chemical class 0.000 claims description 4
- 150000002334 glycols Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- CQDGTJPVBWZJAZ-UHFFFAOYSA-N monoethyl carbonate Chemical compound CCOC(O)=O CQDGTJPVBWZJAZ-UHFFFAOYSA-N 0.000 claims description 3
- FOWDZVNRQHPXDO-UHFFFAOYSA-N propyl hydrogen carbonate Chemical compound CCCOC(O)=O FOWDZVNRQHPXDO-UHFFFAOYSA-N 0.000 claims description 3
- 150000003512 tertiary amines Chemical class 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- NMJJFJNHVMGPGM-UHFFFAOYSA-N butyl formate Chemical compound CCCCOC=O NMJJFJNHVMGPGM-UHFFFAOYSA-N 0.000 claims 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 2
- 239000000084 colloidal system Substances 0.000 claims 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 14
- 239000004202 carbamide Substances 0.000 abstract description 7
- 235000013877 carbamide Nutrition 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 239000003973 paint Substances 0.000 abstract description 6
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 150000001408 amides Chemical class 0.000 abstract description 3
- 239000012763 reinforcing filler Substances 0.000 abstract description 2
- HGXVKAPCSIXGAK-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine;4,6-diethyl-2-methylbenzene-1,3-diamine Chemical compound CCC1=CC(CC)=C(N)C(C)=C1N.CCC1=CC(C)=C(N)C(CC)=C1N HGXVKAPCSIXGAK-UHFFFAOYSA-N 0.000 description 11
- 230000018044 dehydration Effects 0.000 description 9
- 238000006297 dehydration reaction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical group CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 8
- 230000006837 decompression Effects 0.000 description 7
- 238000010792 warming Methods 0.000 description 7
- 229910002804 graphite Inorganic materials 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 108010020346 Polyglutamic Acid Proteins 0.000 description 5
- 230000002687 intercalation Effects 0.000 description 5
- 238000009830 intercalation Methods 0.000 description 5
- 229920002643 polyglutamic acid Polymers 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 229960002380 dibutyl phthalate Drugs 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- -1 polyoxytetramethylenes Polymers 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000009261 D 400 Substances 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 0.000 description 1
- UHOPWFKONJYLCF-UHFFFAOYSA-N 2-(2-sulfanylethyl)isoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(CCS)C(=O)C2=C1 UHOPWFKONJYLCF-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- XJRAOMZCVTUHFI-UHFFFAOYSA-N isocyanic acid;methane Chemical compound C.N=C=O.N=C=O XJRAOMZCVTUHFI-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 150000003142 primary aromatic amines Chemical class 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3237—Polyamines aromatic
- C08G18/324—Polyamines aromatic containing only one aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
- C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
-
- 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
- C09D5/24—Electrically-conducting paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to technical field of coatings, and in particular to abrasion-proof polyurea elastomer coating of a kind of antistatic and preparation method thereof, the polyurea elastomer coating include isocyanate component and amide components；On the basis of the total weight of the polyurea elastomer coating is 1, the polyurea elastomer coating includes：40~68 parts by weight of isocyanates, 23~38 parts by weight of amine terminated polyether, 2~10 parts by weight of chain extender, 0.1~0.8 parts by weight of diluent, 1~5 parts by weight of aquadag powder, 5~10 parts by weight of kaolin；The present invention in polyureas synthesis material by adulterating aquadag powder and kaolin, improve the self lubricity and wear-resisting property of coating, simultaneously, the electric conductivity that graphite powder has prevents the charge accumulated of coating surface that carbamide paint is formed, prevent the generation of electrostatic, the kaolin as reinforcing filler, can also improve the mechanical property of the coating of carbamide paint formation in itself.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of abrasion-proof polyurea elastomer coating of antistatic and its preparation
Method.
Background technology
Polyureas is a kind of elastomer substances for reacting generation with amide components by isocyanate component.Polyurea system
Using amine terminated polyether and amine chainextender as active hydrogen component, the reactivity height with isocyanate component is urged without any
Agent can complete reaction in room temperature or even less than 0 DEG C moment.Since carbamide paint is insensitive to moisture, moisture, during construction not
Influenced by environment temperature, humidity, without catalyst, can rapid curing, be sprayed on arbitrary surface, inclined-plane and vertical plane
Type does not contain any volatile organic matter (VOC), environmentally friendly.Therefore, carbamide paint is more and more applied to various
In the coating of material, as applied to the processing of various metal substrates and the processing of concrete substrate.
In the prior art, polyurea elastomer coating is mostly based on waterproof, anti-corrosion, but existing polyurea elastomer coating
Wearability is unsatisfactory or modified processing after, wearability is relatively good, but the mechanical property such as tensile strength and elongation at break
It can be relatively low, it is difficult to meet the requirement under particular surroundings.On the other hand, carbamide paint sheet can not meet as insulator in needs
It is used in the environment of antistatic as coating.
Therefore, finding one kind not only has excellent wear-resisting property, but also the polyureas with excellent mechanical performances and antistatic property
Elastomer coatings are current the technical issues of being badly in need of solving.
Invention content
It is an object of the present invention to overcoming deficiency of the prior art, a kind of abrasion-proof polyurea elasticity of antistatic is provided
Body coating.
To achieve these goals, the present invention is achieved by the following scheme：A kind of abrasion-proof polyurea of antistatic
Elastomer coatings, including isocyanate component and amide components；
On the basis of the total weight of the polyurea elastomer coating is 1, the polyurea elastomer coating includes：Isocyanic acid
40~68 parts by weight of ester, 23~38 parts by weight of amine terminated polyether, 2~10 parts by weight of chain extender, 0.1~0.8 parts by weight of diluent,
1~5 parts by weight of aquadag powder, 5~10 parts by weight of kaolin.
The present invention in the synthesis material of polyureas by adulterating aquadag powder and kaolin, the aquadag powder and kaolinite
Soil is filled in the space network of polyurea elastomer, improves the self lubricity and wear-resisting property of coating；Graphite powder is filled in
In the coating that coating is formed, the accumulation of its surface charge is reduced with the electric conductivity of its own, effectively prevent the generation of electrostatic；Together
When, which can also be used as filler material in itself, improve the mechanical property for the coating that coating is formed；Can obtain accordingly take into account it is wear-resisting
The polyurea elastomer coating of performance, mechanical property and antistatic property.
As preference, in order to improve performance of the kaolin as filler, the kaolin is handled through intercalation modifying, tool
Body, by kaolin it is levigate after, wash shakeout, then with inorganic acid immersion treatment, neutrality is then washed to, at 330 DEG C or more
1~5h is dehydrated, then obtained kaolin powder is added in the saturated solution of polyglutamic acid, it is heated to reflux, then cool down
And centrifuge, the kaolin powder that drying precipitate is handled up to polyglutamic acid intercalation modifying, after intercalation processing,
Kaolinic interlamellar spacing becomes larger, and the hydroxyl of the carboxyl on polyglutamic acid and kaolin inner surface forms hydrogen bond, the ammonia contained by it
The oxygen atom of base and kaolin silica layer forms hydrogen bond, improves kaolin filling out in the space network of polyurea elastomer
Fill performance.
As preference, on the basis of the total weight of the polyurea elastomer coating is 1, the polyurea elastomer coating
Including：50~62 parts by weight of isocyanates, 28~35 parts by weight of amine terminated polyether, 5~8 parts by weight of chain extender, diluent 0.3~
0.6 parts by weight, 2~5 parts by weight of aquadag powder, 6~9 parts by weight of kaolin.
As preference, the amine terminated polyether is selected from polyethers diamine and/or polyethers tertiary amine.
As preference, the chain extender is amine chain extender.
As preference, the diluent is butyl phthalate, dioctyl phthalate, ethyl carbonate, carbon
One or more kinds of mixtures in propyl propionate.
As preference, the grain size of aquadag powder is 1~5 μm.
As preference, kaolinic grain size is 3~10 μm.
The present invention also provides a kind of preparation method of the abrasion-proof polyurea elastomer coating of above-mentioned antistatic, including following step
Suddenly：
(1) isocyanates for weighing formula ratio is added in reaction kettle, then adds in polyether Glycols and diluent, side stirring
While being warming up to 80~90 DEG C of 2~3h of reaction, aquadag powder and kaolin are then sequentially added, after stirring evenly, cooling discharging,
Obtain component A；
(2) dewatered amine terminated polyether and dewatered chain extender are mixed into 1~2h in a kettle, obtains component B；
(3) the polyureas elasticity can be formed by being uniformly mixed the component B in the component A in step (1) and step (2)
Body coating.
As preference, in step (1), when adding in graphite powder, the vacuum degree of control reaction kettle system for 0.3~
0.45Mpa。
As preference, the amine terminated polyether and the dewatering of chain extender are, and it is 80~90 DEG C in temperature, vacuum
It spends for 30~60min of decompression dehydration under conditions of 0.1~0.45Mpa.
The present invention has following technique effect：
1st, polyurea elastomer coating provided by the invention, by adulterating aquadag powder and kaolinite in polyureas synthesis material
Soil improves the self lubricity and wear-resisting property of coating, meanwhile, the electric conductivity that graphite powder has prevents the painting that carbamide paint is formed
The charge accumulated of layer surface, prevents the generation of electrostatic, and the kaolin as reinforcing filler, can also improve polyureas painting in itself
Expect the mechanical property of the coating formed；
2nd, the preparation method of polyurea elastomer coating provided by the invention, convenience simple for process, polyurea elastomer coating by
In employing amino-compound, reaction speed quickly, therefore after two components of formation, is sprayed at once after mixing in flush coater
Polyurea coating can be formed by being coated onto pending device surface.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is furture elucidated.
The present invention provides a kind of abrasion-proof polyurea elastomer coating of antistatic, including isocyanate component and amino chemical combination
Object component；
On the basis of the total weight of the polyurea elastomer coating is 1, the polyurea elastomer coating includes：Isocyanic acid
40~68 parts by weight of ester, 23~38 parts by weight of amine terminated polyether, 2~10 parts by weight of chain extender, 0.1~0.8 parts by weight of diluent,
1~5 parts by weight of aquadag powder, 5~10 parts by weight of kaolin.
By the way that aquadag powder and kaolin are doped in the synthesis material of polyurea elastomer coating, improve coating
Self lubricity and wear-resisting property.
Further, in order to optimize the wear-resisting property of the polyurea elastomer coating, under optimum condition, with polyureas elasticity
On the basis of the total weight of body coating is 1, the polyurea elastomer coating includes：50~62 parts by weight of isocyanates, Amino End Group
28~35 parts by weight of polyethers, 5~8 parts by weight of chain extender, 0.3~0.6 parts by weight of diluent, 2~5 parts by weight of aquadag powder,
6~9 parts by weight of kaolin.
Heretofore described isocyanates is diisocyanate, it is preferred that the diisocyanate is selected from diphenyl
One in methane diisocyanate, toluene di-isocyanate(TDI), hexamethylene diisocyanate, dicyclohexyl methyl hydride diisocyanate
Kind, more preferably, select volatility the, the smaller methyl diphenylene diisocyanate of toxicity (MDI), specifically, can select
Select one kind in MDI-44C, MDI-50, MDI-100, MDI-5005.
Further, according to the present invention, the amine terminated polyether is selected from polyethers diamine and/or polyethers tertiary amine, tool
Body, one kind in D-230, D-400, T-403, D-2000 can be selected.
Further, according to the present invention, in order to adapt to the fast reaction needed for spraying technology, the chain extender is amine
Chain extender, specifically, primary aromatic amine class chain extender can be selected, such as diethyl toluene diamine (DETDA, purchased from the U.S.
Albemarle companies, trade mark Ethacure100 or purchased from Lonza group companies of Switzerland, the trade mark is Lonzacure DETDA
80 or purchased from German Nitroil companies, the trade mark is PCAmine ADA 180), dimethythiotoluene diamine (DMTDA, purchased from U.S.
Albemarle companies of state, trade mark Ethacure300)；Aromatic amine class chain extender, such as 4,4 '-bis- sec-butylamine Ji Erbenjia
Alkane (Uop Inc. of the U.S., trade mark Unilink 4200).
Further, according to the present invention, the diluent is butyl phthalate, dioctyl phthalate, carbon
One or more kinds of mixtures in acetoacetic ester, propyl carbonate.
Further, in order to optimize the wear-resisting property of the polyurea elastomer coating, the grain size of the aquadag powder
It is 1~5 μm.Specifically, the aquadag powder is purchased from Qingdao oere graphite Co., Ltd, the trade mark is Oer-F series.
Further, according to the present invention, the kaolinic grain size is 3~10 μm.
The present invention also provides a kind of preparation method of the abrasion-proof polyurea elastomer coating of above-mentioned antistatic, including following step
Suddenly：
(1) isocyanates for weighing formula ratio is added in reaction kettle, then adds in polyether Glycols and diluent, side stirring
While being warming up to 80~90 DEG C of 2~3h of reaction, aquadag powder and kaolin are then sequentially added, after stirring evenly, cooling discharging,
Obtain component A；
(2) dewatered amine terminated polyether and dewatered chain extender are mixed into 1~2h in a kettle, obtains component B；
(3) the polyureas elasticity can be formed by being uniformly mixed the component B in the component A in step (1) and step (2)
Body coating.
Further, according to the present invention, in step (1), there is quilt when temperature is higher in order to avoid the graphite powder of addition
The phenomenon that oxidation, when adding in graphite powder, the vacuum degree of control reaction kettle system is 0.3~0.45Mpa.
Further, according to the present invention, isocyanates easily reacts with water and releases gas, in the coating resulted in
Stomata is generated, influences the compactness of coating.The amine terminated polyether and chain extender need to be carried out dehydrating, specific dehydration side
Method is, is 80~90 DEG C in temperature, vacuum degree is 30~60min of decompression dehydration under conditions of 0.1~0.45Mpa.
The present invention does not do special requirement to the spraying process of the polyurea elastomer coating, may be used common poly-
The spraying process of urea coating, for example, by component A and component B after mixing, by spray gun spraying to pending device, Gu
Polyurea elastomer coating can be formed after change.
Below by way of the specific embodiment present invention further elucidated above.
Embodiment 1
A kind of preparation method of the abrasion-proof polyurea elastomer coating of antistatic：
(1) MDI-44C for weighing 56kg is added in reaction kettle, then adds in 32kg polyoxytetramethylenes glycol and 0.5kg
Butyl phthalate, warming while stirring is to 85 DEG C of reaction 2h, and the vacuum degree for then controlling reaction kettle is 0.35Mpa, successively
Add in 3kg aquadags powder (purchased from Qingdao oere graphite Co., Ltd, trade mark Oer-F00, grain size is 1 μm) and 8kg kaolinites
Soil (grain size is 5 μm), after stirring evenly, cooling discharging obtains component A；
(2) dewatered amine terminated polyether D-230 30kg and dewatered chain extender DETDA (are purchased from the U.S.
Albemarle companies, trade mark Ethacure100) 6kg mixes 2h in a kettle, obtain component B, the dewatering process
For：It it is 85 DEG C in temperature, vacuum degree is decompression dehydration 50min under conditions of 0.35Mpa；
(3) the polyureas elasticity can be formed by being uniformly mixed the component B in the component A in step (1) and step (2)
Body coating.
Embodiment 2
A kind of preparation method of the abrasion-proof polyurea elastomer coating of antistatic：
(1) MDI-50 for weighing 50kg is added in reaction kettle, then adds in 25kg polyoxytetramethylenes glycol and 0.3kg is adjacent
Dioctyl phthalate, warming while stirring is to 85 DEG C of reaction 2h, and the vacuum degree for then controlling reaction kettle is 0.40Mpa, successively
Add in 2kg aquadags powder (purchased from Qingdao oere graphite Co., Ltd, trade mark Oer-F0, grain size is 2 μm) and 6kg kaolin
(grain size is 4 μm), after stirring evenly, cooling discharging obtains component A；
(2) dewatered amine terminated polyether D-400 28kg and dewatered chain extender DETDA (are purchased from Switzerland Lonza
Group company, the trade mark are Lonzacure DETDA 80) 5kg mixes 2h in a kettle, obtain component B, the dehydration work
Skill is：It it is 85 DEG C in temperature, vacuum degree is decompression dehydration 50min under conditions of 0.35Mpa；
(3) the polyureas elasticity can be formed by being uniformly mixed the component B in the component A in step (1) and step (2)
Body coating.
Embodiment 3
A kind of preparation method of the abrasion-proof polyurea elastomer coating of antistatic：
(1) MDI-100 for weighing 62kg is added in reaction kettle, then adds in 36kg polyoxypropyleneglycols and 0.6kg is adjacent
Butyl phthalate, to 85 DEG C of reaction 3h, the vacuum degree for then controlling reaction kettle is 0.35Mpa, is added successively for warming while stirring
Enter 5kg aquadags powder (purchased from Qingdao oere graphite Co., Ltd, trade mark Oer-F1, grain size is 4 μm) and 9kg kaolin
(grain size is 8 μm), after stirring evenly, cooling discharging obtains component A；
(2) dewatered amine terminated polyether T-403 35kg and dewatered chain extender DMTDA (are purchased from the U.S.
Albemarle companies, trade mark Ethacure300) 8kg mixes 2h in a kettle, obtain component B, the dewatering process
For：It it is 85 DEG C in temperature, vacuum degree is decompression dehydration 50min under conditions of 0.35Mpa；
(3) the polyureas elasticity can be formed by being uniformly mixed the component B in the component A in step (1) and step (2)
Body coating.
Embodiment 4
A kind of preparation method of the abrasion-proof polyurea elastomer coating of antistatic：
(1) MDI-5005 for weighing 40kg is added in reaction kettle, then adds in 23kg polytetrahydrofuran ether glycol and 0.1kg
Ethyl carbonate, to 80 DEG C of reaction 3h, the vacuum degree for then controlling reaction kettle is 0.30Mpa, sequentially adds 1kg for warming while stirring
Aquadag powder (purchased from Qingdao oere graphite Co., Ltd, trade mark Oer-F00, grain size is 1 μm) and 5kg kaolin (grain sizes
It is 3 μm), after stirring evenly, cooling discharging obtains component A；
(2) dewatered amine terminated polyether D-2000 23kg and dewatered chain extender DETDA (are purchased from the U.S.
Albemarle companies, trade mark Ethacure100) 2kg mixes 2h in a kettle, obtain component B, the dewatering process
For：It it is 85 DEG C in temperature, vacuum degree is decompression dehydration 50min under conditions of 0.35Mpa；
(3) the polyureas elasticity can be formed by being uniformly mixed the component B in the component A in step (1) and step (2)
Body coating.
Embodiment 5
A kind of preparation method of the abrasion-proof polyurea elastomer coating of antistatic：
(1) MDI-44C for weighing 68kg is added in reaction kettle, then adds in 39kg polyoxytetramethylenes glycol and 0.8kg
Propyl carbonate, to 90 DEG C of reaction 2h, the vacuum degree for then controlling reaction kettle is 0.45Mpa, sequentially adds 5kg for warming while stirring
Aquadag powder (purchased from Qingdao oere graphite Co., Ltd, trade mark Oer-F00, grain size is 1 μm) and 10kg kaolin (grain sizes
It is 10 μm), after stirring evenly, cooling discharging obtains component A；
(2) dewatered amine terminated polyether D-23038kg and dewatered chain extender DETDA (are purchased from the U.S.
Albemarle companies, trade mark Ethacure100) 10kg mixes 1h in a kettle, obtain component B, the dewatering process
For：It it is 85 DEG C in temperature, vacuum degree is decompression dehydration 50min under conditions of 0.35Mpa；
(3) the polyureas elasticity can be formed by being uniformly mixed the component B in the component A in step (1) and step (2)
Body coating.
Embodiment 6
The present embodiment is identical with the preparation method of the abrasion-proof polyurea elastomer coating of the antistatic of embodiment 1, unlike,
The kaolin is handled through intercalation modifying.
Specifically, by kaolin it is levigate after, wash shakeout, then with 5% hydrochloric acid immersion treatment, be then washed to neutrality,
1~5h is dehydrated at 330 DEG C or more, then obtained kaolin powder is added in the saturated solution of polyglutamic acid, is heated
To 80 DEG C of reflux 2h, then cool down and centrifuge, the kaolin that drying precipitate is handled up to polyglutamic acid intercalation modifying
Powder.
Comparative example 1
The present embodiment is identical with the preparation method of the abrasion-proof polyurea elastomer coating of the antistatic of embodiment 1, unlike,
In step (1), kaolin is not added, remaining is constant, and the polyurea elastomer coating is prepared.
Comparative example 2
The present embodiment is identical with the preparation method of the abrasion-proof polyurea elastomer coating of the antistatic of embodiment 1, unlike,
In step (1), aquadag powder is not added, remaining is constant, and the polyurea elastomer coating is prepared.
Comparative example 3
The present embodiment is identical with the preparation method of the abrasion-proof polyurea elastomer coating of the antistatic of embodiment 1, unlike,
In step (1), the additive amount of the aquadag powder is 1kg, remaining is constant, and the polyurea elastomer is prepared and applies
Material.
Comparative example 4
The present embodiment is identical with the preparation method of the abrasion-proof polyurea elastomer coating of the antistatic of embodiment 1, unlike,
In step (2), the usage amount of amine terminated polyether D-230 is 56kg, remaining is constant, and the polyurea elastomer is prepared and applies
Material.
Performance test：
1st, antistatic property is tested
Using the polyurea elastomer coating being prepared in above-described embodiment, the painting to form 2mm is sprayed in plastic part surface
Layer characterizes its antistatic property with the surface resistivity of coating surface, utilizes the ZC36 high resistants of No.6 Electric Meter Factory's production
Meter is tested, and testing standard is GB/T 12802.2-2004, and test result is recorded in table 1.
2nd, wear-resisting property is tested
The 7-IBB type RCA abrasion instruments produced using Nuo Man Instrument and Equipment Companies of the U.S. are rubbed under the active force of 175g and applied
Layer, when record exposes ground, the number of rubber wheel rotation, number is more, illustrates that abrasion resistant effect is better, table is recorded in test result
In 1.
3rd, coating adhesion is tested
The square lattice of 100 1mm × 1mm are marked in coating with cross-cut tester, utilize the U.S. 3M models 600 produced
Adhesive tape is smooth to be bonded on grid, is not stayed a wire hole gap, is then vertically uncovered, by observe scratching edge whether there is come off come
Judge coating adhesion effect.
Criterion is：
The amount of coming off is 0~5%, is determined as 5B；
The amount of coming off is 5-10%, is determined as 4B；
The amount of coming off is 10-20%, is determined as 3B；
The amount of coming off is 20-30%, is determined as 2B；
The amount of coming off is 30-50%, is determined as B；
The amount of coming off is more than 50%, is determined as 0B；Test result is recorded in table 1.
4th, coating impact strength is tested
The spray polyurea elastomer coating in the PET film that thickness is 500 μm forms the coating that thickness is 5mm, then presses
According to the Notched IZOD impact intensity of sample that each embodiment of standard testing of ASTM D-256 obtains, and test result is remembered
It records in table 1.
Table 1：
Basic principle, main feature and the features of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement is both fallen in the range of claimed invention.The scope of protection of present invention is by appended claims
And its equivalent thereof.
Claims (10)
1. a kind of abrasion-proof polyurea elastomer coating of antistatic, it is characterised in that：Including isocyanate component and amino-compound
Component；
On the basis of the total weight of the polyurea elastomer coating is 1, the polyurea elastomer coating includes：Isocyanates 40
~68 parts by weight, 23~38 parts by weight of amine terminated polyether, 2~10 parts by weight of chain extender, 0.1~0.8 parts by weight of diluent, colloid
1~5 parts by weight of graphite powder, 5~10 parts by weight of kaolin.
2. the abrasion-proof polyurea elastomer coating of antistatic according to claim 1, wherein, with the polyurea elastomer coating
Total weight on the basis of 1, the polyurea elastomer coating includes：50~62 parts by weight of isocyanates, amine terminated polyether 28
~35 parts by weight, 5~8 parts by weight of chain extender, 0.3~0.6 parts by weight of diluent, 2~5 parts by weight of aquadag powder, kaolin 6
~9 parts by weight.
3. the abrasion-proof polyurea elastomer coating of antistatic according to claim 1, wherein, the amine terminated polyether is selected from
Polyethers diamine and/or polyethers tertiary amine.
4. the abrasion-proof polyurea elastomer coating of antistatic according to claim 1, wherein, the chain extender expands for amine
Chain agent.
5. the abrasion-proof polyurea elastomer coating of antistatic according to claim 1, wherein, the diluent is adjacent benzene two
One or more kinds of mixtures in butyl formate, dioctyl phthalate, ethyl carbonate, propyl carbonate.
6. the abrasion-proof polyurea elastomer coating of antistatic according to claim 1, wherein, the grain size of aquadag powder is 1
~5 μm.
7. the abrasion-proof polyurea elastomer coating of antistatic according to claim 1, wherein, kaolinic grain size is 3~10 μ
m。
8. a kind of preparation method of the abrasion-proof polyurea elastomer coating of antistatic as described in claim 1~7 any one,
It is characterized in that：Include the following steps：
(1) isocyanates for weighing formula ratio is added in reaction kettle, is then added in polyether Glycols and diluent, is risen while stirring
Then temperature sequentially adds aquadag powder and kaolin, after stirring evenly, cooling discharging obtains group to 80~90 DEG C of 2~3h of reaction
Part A；
(2) dewatered amine terminated polyether and dewatered chain extender are mixed into 1~2h in a kettle, obtains component B；
(3) polyurea elastomer can be formed by, which being uniformly mixed the component B in the component A in step (1) and step (2), applies
Material.
9. the preparation method of the abrasion-proof polyurea elastomer coating of antistatic according to claim 8, wherein, in step (1),
When adding in graphite powder, the vacuum degree of control reaction kettle system is 0.3~0.45Mpa.
10. the preparation method of the abrasion-proof polyurea elastomer coating of antistatic according to claim 8, wherein, the end
The dewatering of amino-polyether and chain extender is, is 80~90 DEG C in temperature, vacuum degree subtracts under conditions of being 0.1~0.45Mpa
30~60min of press-dehydrating.
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| CN111349387A (en) * | 2020-03-13 | 2020-06-30 | 国网湖南省电力有限公司 | Wire insulating paint and method for applying live wire insulating paint |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109464788A (en) * | 2018-11-23 | 2019-03-15 | 邬惠林 | Frame collides with each other not bad racket |
| CN111349387A (en) * | 2020-03-13 | 2020-06-30 | 国网湖南省电力有限公司 | Wire insulating paint and method for applying live wire insulating paint |
| CN111349387B (en) * | 2020-03-13 | 2021-10-01 | 国网湖南省电力有限公司 | Wire insulating paint and method for applying live wire insulating paint |
| CN111925722A (en) * | 2020-07-31 | 2020-11-13 | 湖北琼霸防水科技有限公司 | Wear-resistant waterproof coating and preparation method thereof |
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Application publication date: 20180710 |