CN106366839A - Antibacterial butadiene rubber modified epoxy resin anti-corrosive coating and preparation method thereof - Google Patents

Antibacterial butadiene rubber modified epoxy resin anti-corrosive coating and preparation method thereof Download PDF

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Publication number
CN106366839A
CN106366839A CN201610721080.9A CN201610721080A CN106366839A CN 106366839 A CN106366839 A CN 106366839A CN 201610721080 A CN201610721080 A CN 201610721080A CN 106366839 A CN106366839 A CN 106366839A
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China
Prior art keywords
butadiene rubber
sodium
add
epoxy resin
nano
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CN201610721080.9A
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Chinese (zh)
Inventor
陈宗宝
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MAANSHANG CAISHIJI PAINT CO Ltd
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MAANSHANG CAISHIJI PAINT CO Ltd
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Priority to CN201610721080.9A priority Critical patent/CN106366839A/en
Publication of CN106366839A publication Critical patent/CN106366839A/en
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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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C08C19/30—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule
    • C08C19/34—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with oxygen or oxygen-containing groups
    • C08C19/38—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with oxygen or oxygen-containing groups with hydroxy radicals
    • 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
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/69—Polymers of conjugated dienes
    • 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
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Plant Pathology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epoxy Resins (AREA)
  • Paints Or Removers (AREA)

Abstract

An antibacterial butadiene rubber modified epoxy resin anti-corrosive coating is prepared from: epoxy resin E51, butadiene rubber, propylene glycol monobutyl ether, peroxyacetic acid, methyltrioxorhenium, sodium periodate, sodium glutamate, diphenyl methane diisocyanate, polyvinyl alcohol, lauryl diethanolamide, sodium stearate, xylene, n-butanol, nano silver oxide, nano calcium carbonate, sodium lauryl polyether sulfate, benzotriazole, N,N-bis(2-hydroxypropyl)aniline, and chloroform. The anti-corrosive coating has strong salt water resistance and good anti-corrosion property and is toxic-free and environment-friendly.

Description

A kind of butadiene rubber modified epoxy anticorrosive paint of antibacterial and preparation method thereof
Technical field
The present invention relates to a kind of anticorrosive paint, the butadiene rubber modified epoxy anticorrosive paint of especially a kind of antibacterial and Its preparation method.
Background technology
Anticorrosive paint species is more, common are epoxy coating, polyurethane coating, inorganic rich broken coating etc..Use When different corrosive environments need to be simultaneous for according to the suitable anticorrosive paint of different rotten candle environmental selection, also can be by analysis Different film forming binder, solvent, filler and auxiliary agent etc. must act on exploitation played in anticorrosive paint and have targetedly anti-corrosion painting Material product.Wherein epoxy resin cured product have that mechanical property is good, chemical stability is good, electrical insulating property good and shrinkage factor is low, Temperature tolerance is good, easy processing and the low advantage of price, is used widely in paint field, but deposits crosslink density after hardening Height, in tridimensional network, fragility is big, impact property is poor and first property difference the shortcomings of, limit it to a certain extent some The application of high-technology field.
Author Gao Wei in " preparation of nanometer modified epoxy anticorrosive paint and performance evaluation " literary composition, from nano-calcium carbonate With nano phase ag_2 o as coating filler, from silane coupler as nanoparticle modifying agent, using chemical modification and Nanoparticle is distributed in epoxy resin the mode that ultrasound wave dispersion is combined with mechanical agitation, prepares a kind of nano modification Anti-corrosive paint of epoxy resin.Although this anticorrosive paint anti-wear performance improves, the adhesive force of coating is but Decline.
Content of the invention
It is an object of the invention to provide a kind of butadiene rubber modified epoxy anticorrosive paint of antibacterial and its preparation side Method.
To achieve these goals, present invention employs following technical scheme:
A kind of butadiene rubber modified epoxy anticorrosive paint of antibacterial it is characterised in that its by following weight portion raw material system Standby form: 200 parts of epoxy resin e51, butadiene rubber 40-50 part, propyleneglycol monobutyl ether 150-200 part, peracetic acid 8-10 Part, methyl three oxygen rhenium 2-3 part, sodium metaperiodate 3-4 part, sodium glutamate 8-10 part, methyl diphenylene diisocyanate 12-15 part, Polyvinyl alcohol 5-8 part, lauric acid diethyl amide 5-6 part, sodium stearate 3-4 part, dimethylbenzene 150-200 part, n-butyl alcohol 120- 150 parts, nano phase ag_2 o 12-15 part, nano-calcium carbonate 15-20 part, sodium laureth sulfate 6-8 part, BTA 6-8 Part, n, n- bis- (2- hydroxypropyl) aniline 5-6 part, chloroform 20-30 part.
Butadiene rubber modified epoxy anticorrosive paint preparation it is characterised in that it has the following steps of described antibacterial Form:
(1) butadiene rubber is added in propyleneglycol monobutyl ether, stirs 20-30min, add peracetic acid and methyl three oxygen rhenium, Rise high-temperature to 70-80 DEG C, stirring reaction 10-12h；Reduce temperature to 50-60 DEG C, addition sodium metaperiodate, stirring reaction 2-3h, Add sodium glutamate, rise high-temperature to 140-150 DEG C, stirring reaction 18-20h, obtain polyhydroxylated butadiene rubber；
(2) by polyhydroxylated butadiene rubber add equipped with agitator, thermometer reactor in, be warming up to 100-110 DEG C, Carry out vacuum outgass 20-30min, after vacuum outgass, drop to room temperature, add methyl diphenylene diisocyanate, be warming up to 80-90 DEG C, stirring reaction 3-5h, add polyvinyl alcohol, continue stirring reaction 6-8h, vacuum outgass 20-30min, cooling discharge；
(3) by lauric acid diethyl amide and sodium stearate, it is dissolved in dimethylbenzene and the mixed solvent of n-butyl alcohol composition, under room temperature Under stirring, after ultrasound wave is uniformly dispersed, it is slowly added to nano phase ag_2 o and the nano-calcium carbonate of drying, treat nano-powder Add, after stirring, continue ultrasound wave dispersion 2-3h, add epoxy resin e51, be warming up to 95-105 DEG C, evacuation 30- 40min, is cooled to 50-60 DEG C, adds the product of step (2), then is warming up to 90-100 DEG C, and stirring reaction 5-8h adds Laurel Alcohol polyethers sodium sulfate, BTA, disperse 30-40min at a high speed with blender again after ultrasound wave dispersion, are slowly added to n, n- bis- (2- hydroxypropyl) aniline and the solution of chloroform configuration, continue stirring 2-3h, obtain anticorrosive paint.
Described butadiene rubber is Rare Earth butadiene rubber.
Compared with other anti-corrosive paint of epoxy resin, the invention has the following beneficial effects:
First under the catalysis of methyl three oxygen rhenium, there is epoxidation reaction with the double bond of peracetic acid and butadiene rubber in the present invention, then With sodium metaperiodate catalytic pyrolysiss epoxy radicals, prepare polyhydroxylated butadiene rubber；Hydroxyl in polyhydroxylated butadiene rubber There is polyreaction with methyl diphenylene diisocyanate in base, then be added to epoxy resin net again by way of chemical bond crosslinking So that butadiene rubber and epoxy resin have the more preferable compatibility in network, substantially increase rigidity, the painting of anti-corrosive paint of epoxy resin Layer adhesive force and thermostability；From nano phase ag_2 o and nano-calcium carbonate as coating filler, from lauric acid diethanol acyl Amine and sodium stearate, as the modifying agent of nanoparticle, disperse the side combining with mechanical agitation using chemical modification and ultrasound wave Nanoparticle is distributed in epoxy resin formula, enhances the anti-microbial property of anti-corrosive paint of epoxy resin；The anti-corrosion painting of the present invention Material energy fast setting film forming, coating has the advantages that outstanding adhesive force, resistant abrasion and Strong corrosion resistant.
Specific embodiment
The butadiene rubber modified epoxy anticorrosive paint of the antibacterial of the present embodiment, it is by the raw material preparation of following weight portion Form: 200 parts of epoxy resin e51,50 parts of butadiene rubber, 200 parts of propyleneglycol monobutyl ether, 10 parts of peracetic acid, methyl three oxygen rhenium 3 parts, 4 parts of sodium metaperiodate, 10 parts of sodium glutamate, 15 parts of methyl diphenylene diisocyanate, 8 parts of polyvinyl alcohol, lauric acid diethyl 6 parts of alkylolamides, 4 parts of sodium stearate, 200 parts of dimethylbenzene, 150 parts of n-butyl alcohol, 15 parts of nano phase ag_2 o, 20 parts of nano-calcium carbonate, 8 parts of sodium laureth sulfate, 8 parts of BTA, n, 6 parts of n- bis- (2- hydroxypropyl) aniline, 30 parts of chloroform.
2nd, the antibacterial according to claim 1 butadiene rubber modified epoxy anticorrosive paint it is characterised in that It has the following steps and is prepared from:
(1) butadiene rubber is added in propyleneglycol monobutyl ether, stirs 30min, add peracetic acid and methyl three oxygen rhenium, raise Temperature to 80 DEG C, stirring reaction 12h；Reduce temperature to 60 DEG C, add sodium metaperiodate, stirring reaction 3h, add sodium glutamate, rise High-temperature to 150 DEG C, stirring reaction 20h, obtain polyhydroxylated butadiene rubber；
(2) by polyhydroxylated butadiene rubber add equipped with agitator, thermometer reactor in, be warming up to 110 DEG C, carry out Vacuum outgass 30min, drops to room temperature after vacuum outgass, add methyl diphenylene diisocyanate, be warming up to 90 DEG C, stirring reaction 3-5h, adds polyvinyl alcohol, continues stirring reaction 8h, vacuum outgass 30min, cooling discharge；
(3) by lauric acid diethyl amide and sodium stearate, it is dissolved in dimethylbenzene and the mixed solvent of n-butyl alcohol composition, under room temperature Under stirring, after ultrasound wave is uniformly dispersed, it is slowly added to nano phase ag_2 o and the nano-calcium carbonate of drying, treat nano-powder Add, after stirring, continue ultrasound wave dispersion 3h, add epoxy resin e51, be warming up to 105 DEG C, evacuation 40min, cooling To 60 DEG C, add the product of step (2), then be warming up to 100 DEG C, stirring reaction 8h, add sodium laureth sulfate, benzo three Nitrogen azoles, disperses 40min at a high speed with blender again after ultrasound wave dispersion, is slowly added to n, n- bis- (2- hydroxypropyl) aniline and chloroform are joined The solution put, continues stirring 3h, obtains anticorrosive paint.
The salt fog of resistance to standard Neutral performance and corrosion-resistant test: neutral salt spray test is done using standard Neutral salt fog machine.By sample Product (coated weight: 250mg/dm2) put into and in salt fog machine, use saline (concentration is 5%, ph is 6.5-7.5) to spray at 35 DEG C, observe Sample changed condition.Test result: sample red rust in 1500h.

Claims (3)

1. a kind of antibacterial butadiene rubber modified epoxy anticorrosive paint it is characterised in that its by following weight portion raw material It is prepared from: 200 parts of epoxy resin e51, butadiene rubber 40-50 part, propyleneglycol monobutyl ether 150-200 part, peracetic acid 8-10 Part, methyl three oxygen rhenium 2-3 part, sodium metaperiodate 3-4 part, sodium glutamate 8-10 part, methyl diphenylene diisocyanate 12-15 part, Polyvinyl alcohol 5-8 part, lauric acid diethyl amide 5-6 part, sodium stearate 3-4 part, dimethylbenzene 150-200 part, n-butyl alcohol 120- 150 parts, nano phase ag_2 o 12-15 part, nano-calcium carbonate 15-20 part, sodium laureth sulfate 6-8 part, BTA 6-8 Part, n, n- bis- (2- hydroxypropyl) aniline 5-6 part, chloroform 20-30 part.
2. antibacterial according to claim 1 butadiene rubber modified epoxy anticorrosive paint it is characterised in that its just like Lower step is prepared from:
(1) butadiene rubber is added in propyleneglycol monobutyl ether, stirs 20-30min, add peracetic acid and methyl three oxygen rhenium, Rise high-temperature to 70-80 DEG C, stirring reaction 10-12h；Reduce temperature to 50-60 DEG C, addition sodium metaperiodate, stirring reaction 2-3h, Add sodium glutamate, rise high-temperature to 140-150 DEG C, stirring reaction 18-20h, obtain polyhydroxylated butadiene rubber；
(2) by polyhydroxylated butadiene rubber add equipped with agitator, thermometer reactor in, be warming up to 100-110 DEG C, Carry out vacuum outgass 20-30min, after vacuum outgass, drop to room temperature, add methyl diphenylene diisocyanate, be warming up to 80-90 DEG C, stirring reaction 3-5h, add polyvinyl alcohol, continue stirring reaction 6-8h, vacuum outgass 20-30min, cooling discharge；
(3) by lauric acid diethyl amide and sodium stearate, it is dissolved in dimethylbenzene and the mixed solvent of n-butyl alcohol composition, under room temperature Under stirring, after ultrasound wave is uniformly dispersed, it is slowly added to nano phase ag_2 o and the nano-calcium carbonate of drying, treat nano-powder Add, after stirring, continue ultrasound wave dispersion 2-3h, add epoxy resin e51, be warming up to 95-105 DEG C, evacuation 30- 40min, is cooled to 50-60 DEG C, adds the product of step (2), then is warming up to 90-100 DEG C, and stirring reaction 5-8h adds Laurel Alcohol polyethers sodium sulfate, BTA, disperse 30-40min at a high speed with blender again after ultrasound wave dispersion, are slowly added to n, n- bis- (2- hydroxypropyl) aniline and the solution of chloroform configuration, continue stirring 2-3h, obtain anticorrosive paint.
3. the butadiene rubber modified epoxy anticorrosive paint of antibacterial according to claim 1 and 2 is it is characterised in that institute The butadiene rubber stated is Rare Earth butadiene rubber.
CN201610721080.9A 2016-08-25 2016-08-25 Antibacterial butadiene rubber modified epoxy resin anti-corrosive coating and preparation method thereof Pending CN106366839A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104610845A (en) * 2015-01-28 2015-05-13 芜湖县双宝建材有限公司 Modified epoxy resin anticorrosive paint
CN105601770A (en) * 2016-02-01 2016-05-25 浙江大学 Polyhydroxy polybutadiene liquid rubber and controllable preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104610845A (en) * 2015-01-28 2015-05-13 芜湖县双宝建材有限公司 Modified epoxy resin anticorrosive paint
CN105601770A (en) * 2016-02-01 2016-05-25 浙江大学 Polyhydroxy polybutadiene liquid rubber and controllable preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
机械工业部科学技术司: "《机械工业胶接密封技术》", 31 August 1984 *
钱苗根: "《现代表面工程》", 30 September 2012 *

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Application publication date: 20170201

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