CN104293071A - Degradable corrosion-resistant paint - Google Patents
Degradable corrosion-resistant paint Download PDFInfo
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- CN104293071A CN104293071A CN201410508198.4A CN201410508198A CN104293071A CN 104293071 A CN104293071 A CN 104293071A CN 201410508198 A CN201410508198 A CN 201410508198A CN 104293071 A CN104293071 A CN 104293071A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 22
- 230000007797 corrosion Effects 0.000 title claims abstract description 21
- 239000003973 paint Substances 0.000 title abstract 4
- 229920005989 resin Polymers 0.000 claims abstract description 31
- 239000011347 resin Substances 0.000 claims abstract description 31
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 19
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229960000892 attapulgite Drugs 0.000 claims abstract description 12
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010445 mica Substances 0.000 claims abstract description 12
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 12
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- ZGUQGPFMMTZGBQ-UHFFFAOYSA-N [Al].[Al].[Zr] Chemical compound [Al].[Al].[Zr] ZGUQGPFMMTZGBQ-UHFFFAOYSA-N 0.000 claims abstract description 10
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 10
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 10
- 239000008116 calcium stearate Substances 0.000 claims abstract description 10
- 239000007822 coupling agent Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 9
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 52
- 239000012046 mixed solvent Substances 0.000 claims description 42
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 38
- 239000004626 polylactic acid Substances 0.000 claims description 34
- 238000012986 modification Methods 0.000 claims description 30
- 230000004048 modification Effects 0.000 claims description 30
- 229920000331 Polyhydroxybutyrate Polymers 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 26
- 239000005015 poly(hydroxybutyrate) Substances 0.000 claims description 26
- 229940005605 valeric acid Drugs 0.000 claims description 26
- 229920001634 Copolyester Polymers 0.000 claims description 25
- 229920000520 poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Polymers 0.000 claims description 25
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 24
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 17
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 16
- 239000011343 solid material Substances 0.000 claims description 16
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 claims description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 13
- 239000003094 microcapsule Substances 0.000 claims description 12
- 229920003987 resole Polymers 0.000 claims description 12
- 241000219780 Pueraria Species 0.000 claims description 10
- 108010073771 Soybean Proteins Proteins 0.000 claims description 10
- 229920002472 Starch Polymers 0.000 claims description 10
- 150000001412 amines Chemical class 0.000 claims description 10
- 229920000137 polyphosphoric acid Polymers 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 10
- 235000019710 soybean protein Nutrition 0.000 claims description 10
- 235000019698 starch Nutrition 0.000 claims description 10
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 9
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 9
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 9
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- OKJADYKTJJGKDX-UHFFFAOYSA-N Butyl pentanoate Chemical compound CCCCOC(=O)CCCC OKJADYKTJJGKDX-UHFFFAOYSA-N 0.000 claims description 8
- 239000013530 defoamer Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000003112 inhibitor Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 8
- 239000008107 starch Substances 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract 1
- 239000004114 Ammonium polyphosphate Substances 0.000 abstract 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 abstract 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 abstract 1
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 abstract 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 abstract 1
- 235000019826 ammonium polyphosphate Nutrition 0.000 abstract 1
- 229920001276 ammonium polyphosphate Polymers 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 abstract 1
- 229920001568 phenolic resin Polymers 0.000 abstract 1
- 239000005011 phenolic resin Substances 0.000 abstract 1
- 230000003449 preventive effect Effects 0.000 abstract 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 6
- 239000003063 flame retardant Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
- C08F291/06—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00 on to oxygen-containing macromolecules
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/65—Additives macromolecular
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses degradable corrosion-resistant paint. The degradable corrosion-resistant paint is prepared from the following raw materials in parts by weight: 74-77 parts of modified mixed resin, 40-43 parts of phenolic resin, 6-9 parts of carboxyl nitrile rubber, 1.4-1.7 parts of hydroxyethyl cellulose, 2.5-2.8 parts of calcium stearate, 1.7-2 parts of lauryl sodium sulfate, 5-8 parts of talcum powder, 9-12 parts of mica powder, 11-14 parts of attapulgite, 1.2-1.5 parts of an aluminum-zirconium coupling agent TL-4, 5-8 parts of ammonium polyphosphate, 23-26 parts of zinc borate, 8-11 parts of microencapsulated red phosphorus, 3.3-3.6 parts of a flexibilizer, 0.6-0.9 part of a curing agent, 1-1.3 parts of a defoaming agent, 1.1-1.4 parts of a leveling agent, 0.6-0.9 part of a mildew preventive, 1.7-2 parts of pigments and 58-61 parts of a solvent. The degradable corrosion-resistant paint disclosed by the invention has excellent corrosion resistance and flame resistance, and excellent adhesion and impact resistance.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of degradable corrosion resistant coating.
Background technology
In the past, the application of the boats and ships inside such as ballast tank is used always to the tar epoxy coating with excellent anticorrosion.Because this coating contains tar, therefore have the problem of safety and sanitation aspect, and due to its color be the black approximate with the color of body material steel plate, be therefore visually difficult to a point film thickness for pigtail film, application is carried out with uniform film thickness, then its application operation and inspection quite difficulty if want.In addition, the film containing tar have utilize visual inspection to be difficult to distinguish the burn into or without steel plate produces the problem of the maintenance care aspects such as the painting membrane stage of film scaling loss and deterioration in time etc. with or without the impact of heat during Plate Welding.Further, the coating containing tar also has tar component and moves to (oozing out) gradually and be coated in the top coat layer on this tar based film, affects the attractive in appearance of the boats and ships that are coated or steel structure.A kind of coating with excellent corrosion-resistant flame retardant properties of present needs.
Summary of the invention
The technical problem that basic background technology exists, the present invention proposes a kind of degradable corrosion resistant coating, has excellent corrosion-resistant flame retardant properties, and sticking power and impact resistance outstanding.
A kind of degradable corrosion resistant coating that the present invention proposes, its raw material comprises by weight: modification hybrid resin 74-77 part, resol 40-43 part, carboxy nitrile rubber 6-9 part, Natvosol 1.4-1.7 part, calcium stearate 2.5-2.8 part, sodium lauryl sulphate 1.7-2 part, talcum powder 5-8 part, mica powder 9-12 part, attapulgite 11-14 part, aluminum-zirconium coupling agent TL-41.2-1.5 part, polyphosphoric acid amine 5-8 part, zinc borate 23-26 part, microcapsule red phosphorus 8-11 part, toughner 3.3-3.6 part, solidifying agent 0.6-0.9 part, defoamer 1-1.3 part, advection agent 1.1-1.4 part, mould inhibitor 0.6-0.9 part, pigment 1.7-2 part, solvent 58-61 part,
In the preparation process of modification hybrid resin, by weight 77-80 part polylactic acid PLA and 60-63 part polyhydroxybutyrate valeric acid copolyesters PHBV are added in reaction vessel, add the first mixed solvent to dissolve completely to polylactic acid PLA and polyhydroxybutyrate valeric acid copolyesters PHBV, first mixed solvent by benzene and tetracol phenixin by volume for 11-12:1-1.2 forms, will containing polylactic acid PLA, the reaction vessel heating in water bath of polyhydroxybutyrate valeric acid copolyesters PHBV and mixed solvent is to 91-94 DEG C, add 3.6-3.9 part maleic anhydride and 2.1-2.4 part 4 again, after 4-pair-(t-butyl peroxy) n-butyl pentanoate, 7.5-8.5h is stirred with the stirring velocity of 260-280rpm, then the second mixed solvent is added complete to precipitation, second mixed solvent by ethanol and glycerol by volume for 5-6:7-8 is formed, filtration obtains solid materials A, solid materials A is placed in the dry 1-1.4h of baking oven and obtains material B, drying temperature is 83-86 DEG C, 27-30min is stirred with the stirring velocity of 210-230rpm add the 3rd mixing solutions in material B after, the mass volume ratio (g:L) of material B and the 3rd mixing solutions is 1.5-1.8:5-8, 3rd mixing solutions is acetone and methylene dichloride is 4-5:9-11 composition by volume, continue to add 45-48 part pueraria starch and 12-15 part soybean protein and pH value is adjusted to 4-6, then after being warming up to 136-139 DEG C, 54-57min is stirred with the stirring velocity of 150-170rpm, add dry 1.4-1.7h in baking oven after being cooled to room temperature and obtain modification hybrid resin, drying temperature is 77-80 DEG C.
Described precipitation continues to add the second mixed solvent until throw out no longer increases, is then referred to as precipitation completely after being entirely and adding the second mixed solvent generation deposited phenomenon in reaction vessel.
Preferably, the mooney viscosity (ML1+4,100 DEG C) of carboxy nitrile rubber is 48-52.
Preferably, modification hybrid resin, resol, carboxy nitrile rubber 75-76:41-42:7-8.
Preferably, its raw material comprises by weight: modification hybrid resin 75-76 part, resol 41-42 part, carboxy nitrile rubber 7-8 part, Natvosol 1.5-1.6 part, calcium stearate 2.6-2.7 part, sodium lauryl sulphate 1.8-1.9 part, talcum powder 6-7 part, mica powder 10-11 part, attapulgite 12-13 part, aluminum-zirconium coupling agent TL-41.3-1.4 part, polyphosphoric acid amine 6-7 part, zinc borate 24-25 part, microcapsule red phosphorus 9-10 part, toughner 3.4-3.5 part, solidifying agent 0.7-0.8 part, defoamer 1.1-1.2 part, advection agent 1.2-1.3 part, mould inhibitor 0.7-0.8 part, pigment 1.8-1.9 part, solvent 59-60 part.
Preferably, in the preparation process of modification hybrid resin, by weight 78-79 part polylactic acid PLA and 61-62 part polyhydroxybutyrate valeric acid copolyesters PHBV are added in reaction vessel, add the first mixed solvent to dissolve completely to polylactic acid PLA and polyhydroxybutyrate valeric acid copolyesters PHBV, first mixed solvent by benzene and tetracol phenixin by volume for 11.3-11.5:1.1 forms, will containing polylactic acid PLA, the reaction vessel heating in water bath of polyhydroxybutyrate valeric acid copolyesters PHBV and mixed solvent is to 92-93 DEG C, add 3.7-3.8 part maleic anhydride and 2.2-2.3 part 4 again, after 4-pair-(t-butyl peroxy) n-butyl pentanoate, 7.8-8.2h is stirred with the stirring velocity of 265-275rpm, then the second mixed solvent is added complete to precipitation, second mixed solvent by ethanol and glycerol by volume for 5.3-5.6:7.4-7.6 is formed, filtration obtains solid materials A, solid materials A is placed in the dry 1.1-1.3h of baking oven and obtains material B, drying temperature is 84-85 DEG C, 28-29min is stirred with the stirring velocity of 215-225rpm add the 3rd mixing solutions in material B after, the mass volume ratio (g:L) of material B and the 3rd mixing solutions is 1.6-1.7:6-7, 3rd mixing solutions is acetone and methylene dichloride is 4.6-4.7:9.9-10.1 composition by volume, continue to add 46-47 part pueraria starch and 13-14 part soybean protein and pH value is adjusted to 4.5-5.5, then after being warming up to 137-138 DEG C, 55-56min is stirred with the stirring velocity of 155-165rpm, add dry 1.5-1.6h in baking oven after being cooled to room temperature and obtain modification hybrid resin, drying temperature is 78-79 DEG C.
The present invention adopts modification hybrid resin coordinate as major ingredient with resol, carboxy nitrile rubber and add solvent, substantially increase wear resistance of the present invention, oil-proofness, erosion resistance and tensile property, and water-absorbent of the present invention can be reduced, add Xylo-Mucine and modification hybrid resin, resol, carboxy nitrile rubber again with the use of improving denseness of the present invention, toughness of the present invention and shock resistance can also be improved further; Polylactic acid PLA and polyhydroxybutyrate valeric acid copolyesters PHBV blended after, modification hybrid resin is obtained by maleic anhydride graft with pueraria starch and soybean protein, improve pueraria starch, soybean protein, consistency between polylactic acid PLA and polyhydroxybutyrate valeric acid, and modification hybrid resin adopt be biodegradable material, under the effect of bacterium, be decomposed into as CO2 and H2O, can not white pollution be produced; Polyphosphoric acid amine, zinc borate and microcapsule red phosphorus coordinate formation flame-retardant system, wherein polyphosphoric acid amine is as phosphorus-nitrogen containing flame retardant, microcapsule red phosphorus is as phosphorus flame retardant, substantially increase oxygen index of the present invention, improve flame retardant properties of the present invention, and zinc borate decomposable asymmetric choice net in the process of burning produces water, the smog in combustion processes is suppressed to be formed; Talcum powder, mica powder, attapulgite, zinc borate, microcapsule red phosphorus are as weighting agent, by aluminum-zirconium coupling agent TL-4 and major ingredient coupling, consistency between the above-mentioned each raw material of further raising, and calcium stearate and sodium lauryl sulphate can promote that talcum powder, mica powder, attapulgite, zinc borate, microcapsule red phosphorus are dispersed in major ingredient, ensure the homogeneity of performance of the present invention; Because gas phase talcum powder, mica powder, attapulgite have abundant surface anticorrosive functional group, significantly improve corrosion resistance of the present invention.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
A kind of degradable corrosion resistant coating that the present invention proposes, its raw material comprises by weight: modification hybrid resin 74 parts, 43 parts, resol, carboxy nitrile rubber 6 parts, Natvosol 1.7 parts, calcium stearate 2.5 parts, sodium lauryl sulphate 2 parts, talcum powder 5 parts, mica powder 12 parts, attapulgite 11 parts, aluminum-zirconium coupling agent TL-41.5 part, polyphosphoric acid amine 5 parts, zinc borate 26 parts, microcapsule red phosphorus 8 parts, toughner 3.6 parts, 0.6 part, solidifying agent, defoamer 1.3 parts, advection agent 1.1 parts, mould inhibitor 0.9 part, pigment 1.7 parts, solvent 61 parts, wherein mooney viscosity (the ML1+4 of carboxy nitrile rubber, 100 DEG C) be 48,
In the preparation process of modification hybrid resin, by weight 78 parts of polylactic acid PLAs and 62 parts of polyhydroxybutyrate valeric acid copolyesters PHBV are added in reaction vessel, add the first mixed solvent to dissolve completely to polylactic acid PLA and polyhydroxybutyrate valeric acid copolyesters PHBV, first mixed solvent by benzene and tetracol phenixin by volume for 11.3:1.1 forms, will containing polylactic acid PLA, the reaction vessel heating in water bath to 93 DEG C of polyhydroxybutyrate valeric acid copolyesters PHBV and mixed solvent, add 3.7 parts of maleic anhydrides and 2.3 part 4 again, after 4-pair-(t-butyl peroxy) n-butyl pentanoate, 8.2h is stirred with the stirring velocity of 265rpm, then the second mixed solvent is added complete to precipitation, second mixed solvent by ethanol and glycerol by volume for 5.3:7.6 is formed, filtration obtains solid materials A, solid materials A is placed in the dry 1.1h of baking oven and obtains material B, drying temperature is 85 DEG C, 29min is stirred with the stirring velocity of 215rpm add the 3rd mixing solutions in material B after, the mass volume ratio (g:L) of material B and the 3rd mixing solutions is 1.6:7,3rd mixing solutions is acetone and methylene dichloride is 4.6:10.1 composition by volume, continue to add 46 parts of pueraria starches and 14 portions of soybean proteins and pH value is adjusted to 4.5, then after being warming up to 138 DEG C, 56min is stirred with the stirring velocity of 155rpm, add dry 1.5h in baking oven after being cooled to room temperature and obtain modification hybrid resin, drying temperature is 79 DEG C.
Embodiment 2
A kind of degradable corrosion resistant coating that the present invention proposes, its raw material comprises by weight: modification hybrid resin 76 parts, 41 parts, resol, carboxy nitrile rubber 8 parts, Natvosol 1.5 parts, calcium stearate 2.7 parts, sodium lauryl sulphate 1.8 parts, talcum powder 7 parts, mica powder 10 parts, attapulgite 13 parts, aluminum-zirconium coupling agent TL-41.3 part, polyphosphoric acid amine 7 parts, zinc borate 24 parts, microcapsule red phosphorus 10 parts, toughner 3.4 parts, 0.8 part, solidifying agent, defoamer 1.1 parts, advection agent 1.3 parts, mould inhibitor 0.7 part, pigment 1.9 parts, solvent 59 parts, wherein mooney viscosity (the ML1+4 of carboxy nitrile rubber, 100 DEG C) be 50,
In the preparation process of modification hybrid resin, by weight 80 parts of polylactic acid PLAs and 60 parts of polyhydroxybutyrate valeric acid copolyesters PHBV are added in reaction vessel, add the first mixed solvent to dissolve completely to polylactic acid PLA and polyhydroxybutyrate valeric acid copolyesters PHBV, first mixed solvent by benzene and tetracol phenixin by volume for 12:1 forms, will containing polylactic acid PLA, the reaction vessel heating in water bath to 94 DEG C of polyhydroxybutyrate valeric acid copolyesters PHBV and mixed solvent, add 3.6 parts of maleic anhydrides and 2.4 part 4 again, after 4-pair-(t-butyl peroxy) n-butyl pentanoate, 8.5h is stirred with the stirring velocity of 260rpm, then the second mixed solvent is added complete to precipitation, second mixed solvent by ethanol and glycerol by volume for 5:8 is formed, filtration obtains solid materials A, solid materials A is placed in the dry 1h of baking oven and obtains material B, drying temperature is 86 DEG C, 30min is stirred with the stirring velocity of 210rpm add the 3rd mixing solutions in material B after, the mass volume ratio (g:L) of material B and the 3rd mixing solutions is 1.5:8,3rd mixing solutions is acetone and methylene dichloride is 4:11 composition by volume, continue to add 45 parts of pueraria starches and 15 portions of soybean proteins and pH value is adjusted to 4, then after being warming up to 139 DEG C, 57min is stirred with the stirring velocity of 150rpm, add dry 1.4h in baking oven after being cooled to room temperature and obtain modification hybrid resin, drying temperature is 80 DEG C.
Embodiment 3
A kind of degradable corrosion resistant coating that the present invention proposes, its raw material comprises by weight: modification hybrid resin 75 parts, 42 parts, resol, carboxy nitrile rubber 7 parts, Natvosol 1.6 parts, calcium stearate 2.6 parts, sodium lauryl sulphate 1.9 parts, talcum powder 6 parts, mica powder 11 parts, attapulgite 12 parts, aluminum-zirconium coupling agent TL-41.4 part, polyphosphoric acid amine 6 parts, zinc borate 25 parts, microcapsule red phosphorus 9 parts, toughner 3.5 parts, 0.7 part, solidifying agent, defoamer 1.2 parts, advection agent 1.2 parts, mould inhibitor 0.8 part, pigment 1.8 parts, solvent 60 parts, wherein mooney viscosity (the ML1+4 of carboxy nitrile rubber, 100 DEG C) be 52,
In the preparation process of modification hybrid resin, by weight 79 parts of polylactic acid PLAs and 61 parts of polyhydroxybutyrate valeric acid copolyesters PHBV are added in reaction vessel, add the first mixed solvent to dissolve completely to polylactic acid PLA and polyhydroxybutyrate valeric acid copolyesters PHBV, first mixed solvent by benzene and tetracol phenixin by volume for 11.5:1.1 forms, will containing polylactic acid PLA, the reaction vessel heating in water bath to 92 DEG C of polyhydroxybutyrate valeric acid copolyesters PHBV and mixed solvent, add 3.8 parts of maleic anhydrides and 2.2 part 4 again, after 4-pair-(t-butyl peroxy) n-butyl pentanoate, 7.8h is stirred with the stirring velocity of 275rpm, then the second mixed solvent is added complete to precipitation, second mixed solvent by ethanol and glycerol by volume for 5.6:7.4 is formed, filtration obtains solid materials A, solid materials A is placed in the dry 1.3h of baking oven and obtains material B, drying temperature is 84 DEG C, 28min is stirred with the stirring velocity of 225rpm add the 3rd mixing solutions in material B after, the mass volume ratio (g:L) of material B and the 3rd mixing solutions is 1.7:6,3rd mixing solutions is acetone and methylene dichloride is 4.7:9.9 composition by volume, continue to add 47 parts of pueraria starches and 13 portions of soybean proteins and pH value is adjusted to 5.5, then after being warming up to 137 DEG C, 55min is stirred with the stirring velocity of 165rpm, add dry 1.6h in baking oven after being cooled to room temperature and obtain modification hybrid resin, drying temperature is 78 DEG C.
Embodiment 4
A kind of degradable corrosion resistant coating that the present invention proposes, its raw material comprises by weight: modification hybrid resin 77 parts, 40 parts, resol, carboxy nitrile rubber 9 parts, Natvosol 1.4 parts, calcium stearate 2.8 parts, sodium lauryl sulphate 1.7 parts, talcum powder 8 parts, mica powder 9 parts, attapulgite 14 parts, aluminum-zirconium coupling agent TL-41.2 part, polyphosphoric acid amine 8 parts, zinc borate 23 parts, microcapsule red phosphorus 11 parts, toughner 3.3 parts, 0.9 part, solidifying agent, defoamer 1 part, advection agent 1.4 parts, mould inhibitor 0.6 part, pigment 2 parts, solvent 58 parts, wherein mooney viscosity (the ML1+4 of carboxy nitrile rubber, 100 DEG C) be 51,
In the preparation process of modification hybrid resin, by weight 77 parts of polylactic acid PLAs and 63 parts of polyhydroxybutyrate valeric acid copolyesters PHBV are added in reaction vessel, add the first mixed solvent to dissolve completely to polylactic acid PLA and polyhydroxybutyrate valeric acid copolyesters PHBV, first mixed solvent by benzene and tetracol phenixin by volume for 11:1.2 forms, will containing polylactic acid PLA, the reaction vessel heating in water bath to 91 DEG C of polyhydroxybutyrate valeric acid copolyesters PHBV and mixed solvent, add 3.9 parts of maleic anhydrides and 2.1 part 4 again, after 4-pair-(t-butyl peroxy) n-butyl pentanoate, 7.5h is stirred with the stirring velocity of 280rpm, then the second mixed solvent is added complete to precipitation, second mixed solvent by ethanol and glycerol by volume for 6:7 is formed, filtration obtains solid materials A, solid materials A is placed in the dry 1.4h of baking oven and obtains material B, drying temperature is 83 DEG C, 27min is stirred with the stirring velocity of 230rpm add the 3rd mixing solutions in material B after, the mass volume ratio (g:L) of material B and the 3rd mixing solutions is 1.8:5,3rd mixing solutions is acetone and methylene dichloride is 5:9 composition by volume, continue to add 48 parts of pueraria starches and 12 portions of soybean proteins and pH value is adjusted to 6, then after being warming up to 136 DEG C, 54min is stirred with the stirring velocity of 170rpm, add dry 1.7h in baking oven after being cooled to room temperature and obtain modification hybrid resin, drying temperature is 77 DEG C.
Carry out performance test to embodiment 1-4, choose certain commercial coating as a control group, detected result is as follows:
| Test item | Embodiment 1-4 mean value | Control group | Establishing criteria |
| Sticking power | 1 grade | 2 grades | GB/T?9286-1998 |
| Hardness | H | HB | GB/T?6739-2006 |
| Viscosity (cps) | 23 | 24 | GB/T?1723-1993 |
| Shock-resistant (kg × cm) | 55 | 45 | GB/T?1732-1993 |
| Sag resistance (μm) | 50 | 50 | GB/T?9264-2012 |
| Salt fog resistance (h) | 264 | 216 | GB/T?1771-1991 |
As seen from the above table: the present invention compared with coating on the market, hardness, viscosity and sag resistance similar nature, and sticking power, shock-resistant, excellent anti-corrosion performance sell coating in market.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (5)
1. a degradable corrosion resistant coating, it is characterized in that, its raw material comprises by weight: modification hybrid resin 74-77 part, resol 40-43 part, carboxy nitrile rubber 6-9 part, Natvosol 1.4-1.7 part, calcium stearate 2.5-2.8 part, sodium lauryl sulphate 1.7-2 part, talcum powder 5-8 part, mica powder 9-12 part, attapulgite 11-14 part, aluminum-zirconium coupling agent TL-41.2-1.5 part, polyphosphoric acid amine 5-8 part, zinc borate 23-26 part, microcapsule red phosphorus 8-11 part, toughner 3.3-3.6 part, solidifying agent 0.6-0.9 part, defoamer 1-1.3 part, advection agent 1.1-1.4 part, mould inhibitor 0.6-0.9 part, pigment 1.7-2 part, solvent 58-61 part,
In the preparation process of modification hybrid resin, by weight 77-80 part polylactic acid PLA and 60-63 part polyhydroxybutyrate valeric acid copolyesters PHBV are added in reaction vessel, add the first mixed solvent to dissolve completely to polylactic acid PLA and polyhydroxybutyrate valeric acid copolyesters PHBV, first mixed solvent by benzene and tetracol phenixin by volume for 11-12:1-1.2 forms, will containing polylactic acid PLA, the reaction vessel heating in water bath of polyhydroxybutyrate valeric acid copolyesters PHBV and mixed solvent is to 91-94 DEG C, add 3.6-3.9 part maleic anhydride and 2.1-2.4 part 4 again, after 4-pair-(t-butyl peroxy) n-butyl pentanoate, 7.5-8.5h is stirred with the stirring velocity of 260-280rpm, then the second mixed solvent is added complete to precipitation, second mixed solvent by ethanol and glycerol by volume for 5-6:7-8 is formed, filtration obtains solid materials A, solid materials A is placed in the dry 1-1.4h of baking oven and obtains material B, drying temperature is 83-86 DEG C, 27-30min is stirred with the stirring velocity of 210-230rpm add the 3rd mixing solutions in material B after, the mass volume ratio (g:L) of material B and the 3rd mixing solutions is 1.5-1.8:5-8, 3rd mixing solutions is acetone and methylene dichloride is 4-5:9-11 composition by volume, continue to add 45-48 part pueraria starch and 12-15 part soybean protein and pH value is adjusted to 4-6, then after being warming up to 136-139 DEG C, 54-57min is stirred with the stirring velocity of 150-170rpm, add dry 1.4-1.7h in baking oven after being cooled to room temperature and obtain modification hybrid resin, drying temperature is 77-80 DEG C.
2. degradable corrosion resistant coating according to claim 1, it is characterized in that, the mooney viscosity (ML1+4,100 DEG C) of carboxy nitrile rubber is 48-52.
3. degradable corrosion resistant coating according to claim 1 or 2, is characterized in that, modification hybrid resin, resol, carboxy nitrile rubber 75-76:41-42:7-8.
4. degradable corrosion resistant coating according to any one of claim 1-3, it is characterized in that, its raw material comprises by weight: modification hybrid resin 75-76 part, resol 41-42 part, carboxy nitrile rubber 7-8 part, Natvosol 1.5-1.6 part, calcium stearate 2.6-2.7 part, sodium lauryl sulphate 1.8-1.9 part, talcum powder 6-7 part, mica powder 10-11 part, attapulgite 12-13 part, aluminum-zirconium coupling agent TL-41.3-1.4 part, polyphosphoric acid amine 6-7 part, zinc borate 24-25 part, microcapsule red phosphorus 9-10 part, toughner 3.4-3.5 part, solidifying agent 0.7-0.8 part, defoamer 1.1-1.2 part, advection agent 1.2-1.3 part, mould inhibitor 0.7-0.8 part, pigment 1.8-1.9 part, solvent 59-60 part.
5. degradable corrosion resistant coating according to any one of claim 1-4, it is characterized in that, in the preparation process of modification hybrid resin, by weight 78-79 part polylactic acid PLA and 61-62 part polyhydroxybutyrate valeric acid copolyesters PHBV are added in reaction vessel, add the first mixed solvent to dissolve completely to polylactic acid PLA and polyhydroxybutyrate valeric acid copolyesters PHBV, first mixed solvent by benzene and tetracol phenixin by volume for 11.3-11.5:1.1 forms, will containing polylactic acid PLA, the reaction vessel heating in water bath of polyhydroxybutyrate valeric acid copolyesters PHBV and mixed solvent is to 92-93 DEG C, add 3.7-3.8 part maleic anhydride and 2.2-2.3 part 4 again, after 4-pair-(t-butyl peroxy) n-butyl pentanoate, 7.8-8.2h is stirred with the stirring velocity of 265-275rpm, then the second mixed solvent is added complete to precipitation, second mixed solvent by ethanol and glycerol by volume for 5.3-5.6:7.4-7.6 is formed, filtration obtains solid materials A, solid materials A is placed in the dry 1.1-1.3h of baking oven and obtains material B, drying temperature is 84-85 DEG C, 28-29min is stirred with the stirring velocity of 215-225rpm add the 3rd mixing solutions in material B after, the mass volume ratio (g:L) of material B and the 3rd mixing solutions is 1.6-1.7:6-7, 3rd mixing solutions is acetone and methylene dichloride is 4.6-4.7:9.9-10.1 composition by volume, continue to add 46-47 part pueraria starch and 13-14 part soybean protein and pH value is adjusted to 4.5-5.5, then after being warming up to 137-138 DEG C, 55-56min is stirred with the stirring velocity of 155-165rpm, add dry 1.5-1.6h in baking oven after being cooled to room temperature and obtain modification hybrid resin, drying temperature is 78-79 DEG C.
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