CN106566372A - Activated waster rubber powder modified composite epoxy group antirust powder coating used for automobile chassis and preparation method for activated waster rubber powder modified composite epoxy group antirust powder coating - Google Patents
Activated waster rubber powder modified composite epoxy group antirust powder coating used for automobile chassis and preparation method for activated waster rubber powder modified composite epoxy group antirust powder coating Download PDFInfo
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- CN106566372A CN106566372A CN201610902442.4A CN201610902442A CN106566372A CN 106566372 A CN106566372 A CN 106566372A CN 201610902442 A CN201610902442 A CN 201610902442A CN 106566372 A CN106566372 A CN 106566372A
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- antirust
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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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/18—Spheres
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention discloses an activated waster rubber powder modified composite epoxy group antirust powder coating used for an automobile chassis and a preparation method for the activated waster rubber powder modified composite epoxy group antirust powder coating. According to the activated waster rubber powder modified composite epoxy group antirust powder coating, epoxy resin E-20, epoxy acrylic resin, bismaleimide resin, furan alkyl glycidyl ether, hyperbranched polyamide and other raw materials are compounded, and a film forming base material good in mechanical property, heat resistance and film layer compactness is obtained; and the antirust property of the coating as well as the adhesive force between the coating and a metal substrate can be effectively improved through added functional groups loaded on 8-hydroxyquinoline-aluminium triphosphate/polymethyl methacrylate polymer microspheres, so that the resin coating with the firm and long-term antirust effects is obtained. Compared with a traditional epoxy resin powder coating, the composite epoxy powder coating is significantly improved in curing speed, film layer property, antirust corrosion inhibition effect and other aspect; and the composite epoxy group antirust powder coating has good application prospects in the automobile chassis antirust field.
Description
Technical field
The present invention relates to powder coating technology field, more particularly to a kind of activation shoddy for automobile chassis is modified multiple
Cyclization epoxide antirust powdery paints and preparation method thereof.
Background technology
Automobile chassis is a part particularly important in automobile, because the environment residing for chassis is sufficiently complex, to be undergone
The erosion of temperature, rainwater, moisture, salinity etc., the especially aggravation of environment in recent years pollution, cause the acid increase of rainwater,
So that the more and more important change of the anti-corrosion of automobile chassis, once vehicle chassis component loosens will be directly connected to the peace of vehicle and car owner
Entirely.Antirust most conventional processing method in chassis is rust prevention by applying liquid material paint, and the main product of current antirust paint is oily antirust varniss and water
Property antirust paint, oily antirust varniss because its not enough environmental protection, toxicity it is larger；Although aqueous antirust paint disclosure satisfy that requirement in environmental protection,
But its protection cycle is shorter, and using being restricted, how to obtain not only long-acting but also environmentally friendly antirusting paint is that industry is endeavoured at present
The direction of research.
Thermoset epoxy powdery paints because of its good feature of environmental protection and excellent metal surface adhesive force, in automotive chassis components
Have a good application prospect in antirust, but epoxide powder coating is present that solidification temperature is high, construction equipment is had high demands, film layer
The defects such as poor flatness, need to do it further study on the modification, to improve its combination property.《A kind of epoxy radicals acrylic acid
The preparation research of resin low-temperature setting transparent powder paint》One text is compounded with the acrylic resin of different epoxide equivalents, with bisphenol-A
Epoxy polyester obtains the powdery paints solidified at 150-160 DEG C as curing accelerator, although this coating solidification temperature
Degree is reduced, but its mechanical property is slightly worse, and hardening time is longer, and the flatness of film layer also has much room for improvement, and needs to coordinate
Priming paint is used, and in the foundry goods application of chassis further modification is also needed..
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of activation shoddy for automobile chassis
Modified complex loop epoxide antirusting powder end coating and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of modified complex loop epoxide antirusting powder end coating of activation shoddy for automobile chassis, the coating is by following heavy
The raw material of amount part is made：Epoxy resin E-51 30-40, modifying epoxy resin by organosilicon 15-20, polyurethane modified epoxy resin
12-18, phenols curing agent 25-40,80-150 mesh shoddy 5-10, sodium hypochlorite 0.5-1, Dopamine Hydrochloride 1-1.5, trimerization phosphorus
Sour aluminum/poly (methyl methacrylate) micro-sphere 10-15, Benzoinum 0.5-1, antioxidant 0.4-0.5, brightener 0.5-0.6, deionization
Water 20-30.
Described aluminium triphosphate/poly (methyl methacrylate) micro-sphere is made up of the raw material of following weight portion：Tripolyphosphate
Aluminum 4-5, methyl methacrylate 5-6, divinylbenzene 2-4, dibenzoyl peroxide 0.4-0.5, deionized water 20-30, nothing
Water-ethanol 12-15, sodium lauryl sulphate 0.1-0.2, preparation method is：
(1) first to stir in sodium lauryl sulphate input deionized water to it and put into aluminium triphosphate after being completely dissolved,
30-40min is ground after being uniformly dispersed, composite mortar is obtained standby；
(2) methyl methacrylate, divinylbenzene, dehydrated alcohol are put into together in reaction vessel, stirring mixing is equal
The composite pulp for adding dibenzoyl peroxide, stirring reaction 50-60min, reaction to prepare material and step (1) after terminating after even
Material mixing, is warming up to 80-85 DEG C by system under agitation, insulated and stirred reaction 6-8h, reaction terminate rear system Jing cooling,
The supernatant is removed after standing, product Jing sucking filtration, alcohol are washed, are dried, disperseed, obtain final product described aluminium triphosphate/polymethyl
Sour methyl ester microsphere.
A kind of preparation side of the described modified complex loop epoxide antirusting powder end coating of activation shoddy for automobile chassis
Method is：
(1) first sodium hypochlorite is subsequently added into by 10-15 parts by weight of deionized water input reaction vessel, stirs complete to its
Shoddy is added after CL, rear microwave soaking is uniformly mixed and is processed 1-2h, process is filtered after terminating, resulting material washing
Drying for standby after 4-5 time；
(2) deionized water of remainder amount is put in reaction vessel, and adds Dopamine Hydrochloride, is stirred to it after being completely dissolved
Input step (1) resulting material, is uniformly mixed rear standing and reacting 10-15h, and reaction is filtered after terminating, and screening Jing is washed, done
It is standby shoddy must to be activated after dry；
(3) the activation shoddy for preparing step (2) puts into batch mixing in high-speed mixer with remaining each raw material according to proportioning
30-40min, batch mixing puts into material in extruder after terminating, the melting extrusion tabletting under the conditions of 108-115 DEG C, sheet material cooling
By crushing and screening, control product cut size is obtained final product in 100-250 mesh.
The present invention is using epoxy resin E-51, modifying epoxy resin by organosilicon, polyurethane modified epoxy resin compounding as tree
Aliphatic radical body, obtains with good filming effect and water-fast, oil resistant film forming matrix, while adding Jing sodium hypochlorite, hydrochloric acid
The activation shoddy of the modified Surface coating poly-dopamine film layer of dopamine, this activation shoddy has aobvious to epoxy-resin systems
The toughening effect of work, obtains the composite epoxy film layer of good toughness while production cost is reduced, and is lifted the bottom of to
The protective capacities of disk material, the aluminium triphosphate/poly (methyl methacrylate) micro-sphere of preparation is that a kind of new polymolecularity is prevented
Rust filler, makes coating possess uniform and stable rust-proof effect, in conjunction with other raw materials, has finally been obtained that curing rate is fast, film layer
Tough, Waterproofing/oilproofing, anti-impact cracking resistance, the epoxy based powder coatings of long-acting antirust, have very big in the protection antirust field on chassis
Application potential.
Specific embodiment
A kind of modified complex loop epoxide antirusting powder end coating of activation shoddy for automobile chassis, the coating is by following heavy
The raw material of amount part is made：Epoxy resin E-51 30, modifying epoxy resin by organosilicon 15, polyurethane modified epoxy resin 12, phenols
Firming agent 25,80 mesh shoddies 5, sodium hypochlorite 0.5, Dopamine Hydrochloride 1, aluminium triphosphate/poly (methyl methacrylate) micro-sphere
10th, Benzoinum 0.5, antioxidant 0.4, brightener 0.5, deionized water 20.
Wherein aluminium triphosphate/poly (methyl methacrylate) micro-sphere is made up of the raw material of following weight portion：Aluminium triphosphate
4th, methyl methacrylate 5, divinylbenzene 2, dibenzoyl peroxide 0.4, deionized water 20, dehydrated alcohol 12, dodecane
Base sodium sulfate 0.1, preparation method is：
(1) first to stir in sodium lauryl sulphate input deionized water to it and put into aluminium triphosphate after being completely dissolved,
30min is ground after being uniformly dispersed, composite mortar is obtained standby；
(2) methyl methacrylate, divinylbenzene, dehydrated alcohol are put into together in reaction vessel, stirring mixing is equal
The composite mortar for adding dibenzoyl peroxide, stirring reaction 50min, reaction to prepare material and step (1) after terminating after even
Mixing, is warming up to 80 DEG C by system under agitation, and insulated and stirred reaction 6h, reaction terminates rear system Jing after cooling, standing
The supernatant is removed, product Jing sucking filtration, alcohol are washed, are dried, disperseed, obtain final product described aluminium triphosphate/polymethyl methacrylate
Microsphere.
The preparation method of the embodiment coating is：
(1) first sodium hypochlorite is subsequently added into by 10 parts by weight of deionized water input reaction vessel, stirs completely molten to it
Shoddy is added after solution, rear microwave soaking is uniformly mixed and is processed 1h, process is filtered after terminating, after resulting material washes 4 times
Drying for standby；
(2) deionized water of remainder amount is put in reaction vessel, and adds Dopamine Hydrochloride, is stirred to it after being completely dissolved
Input step (1) resulting material, is uniformly mixed rear standing and reacting 10h, and reaction is filtered after terminating, and screening Jing is washed, is dried
After must to activate shoddy standby；
(3) the activation shoddy for preparing step (2) puts into batch mixing in high-speed mixer with remaining each raw material according to proportioning
30min, batch mixing puts into material in extruder after terminating, the melting extrusion tabletting under the conditions of 108 DEG C, and Jing is crushed after sheet material cooling
Screening, control product cut size is obtained final product in 100 mesh.
The powdery paints of preparation follows relevant criterion and carries out performance in alloy steel surface Jing after electrostatic spraying, heat cure film forming
Test, test result is：
Claims (3)
1. a kind of modified complex loop epoxide antirusting powder end coating of activation shoddy for automobile chassis, it is characterised in that the painting
Material is made up of the raw material of following weight portion：Epoxy resin E-51 30-40, modifying epoxy resin by organosilicon 15-20, polyurethane change
Property epoxy resin 12-18, phenols curing agent 25-40,80-150 mesh shoddy 5-10, sodium hypochlorite 0.5-1, Dopamine Hydrochloride 1-
1.5th, aluminium triphosphate/poly (methyl methacrylate) micro-sphere 10-15, Benzoinum 0.5-1, antioxidant 0.4-0.5, brightener 0.5-
0.6th, deionized water 20-30.
2. a kind of modified complex loop epoxide antirusting powder end of activation shoddy for automobile chassis as claimed in claim 1 applies
Material, it is characterised in that described aluminium triphosphate/poly (methyl methacrylate) micro-sphere is made up of the raw material of following weight portion：Three
Poly aluminium phosphate 4-5, methyl methacrylate 5-6, divinylbenzene 2-4, dibenzoyl peroxide 0.4-0.5, deionized water 20-
30th, dehydrated alcohol 12-15, sodium lauryl sulphate 0.1-0.2, preparation method is：
（1）First sodium lauryl sulphate is put in deionized water, is stirred to it and aluminium triphosphate is put into after being completely dissolved, disperseed
Grinding 30-40min, obtains composite mortar standby after uniform；
（2）Methyl methacrylate, divinylbenzene, dehydrated alcohol are put into together in reaction vessel, after being uniformly mixed
By material and step after adding dibenzoyl peroxide, stirring reaction 50-60min, reaction to terminate（1）The composite mortar of preparation is mixed
Close, under agitation system is warming up to into 80-85 DEG C, insulated and stirred reaction 6-8h, reaction terminates rear system Jing cooling, stands
After remove the supernatant, product Jing sucking filtration, alcohol are washed, are dried, disperseed, and obtain final product described aluminium triphosphate/poly-methyl methacrylate
Ester microsphere.
3. the modified complex loop epoxide antirusting powder end coating of a kind of activation shoddy for automobile chassis as claimed in claim 1
Preparation method, it is characterised in that described preparation method is：
（1）First 10-15 parts by weight of deionized water is put in reaction vessel, sodium hypochlorite is subsequently added into, stirs completely molten to it
Shoddy is added after solution, rear microwave soaking is uniformly mixed and is processed 1-2h, process is filtered after terminating, resulting material washing 4-5
Secondary rear drying for standby；
（2）The deionized water of remainder amount is put in reaction vessel, and adds Dopamine Hydrochloride, is stirred to it and is put into after being completely dissolved
Step（1）Resulting material, is uniformly mixed rear standing and reacting 10-15h, and reaction is filtered after terminating, and screening is Jing after washing, being dried
Shoddy must be activated standby；
（3）By step（2）The activation shoddy of preparation is with remaining each raw material according to batch mixing 30- in proportioning input high-speed mixer
40min, batch mixing puts into material in extruder after terminating, the melting extrusion tabletting under the conditions of 108-115 DEG C, Jing after sheet material cooling
Crush and screen, control product cut size is obtained final product in 100-250 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610902442.4A CN106566372A (en) | 2016-10-17 | 2016-10-17 | Activated waster rubber powder modified composite epoxy group antirust powder coating used for automobile chassis and preparation method for activated waster rubber powder modified composite epoxy group antirust powder coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610902442.4A CN106566372A (en) | 2016-10-17 | 2016-10-17 | Activated waster rubber powder modified composite epoxy group antirust powder coating used for automobile chassis and preparation method for activated waster rubber powder modified composite epoxy group antirust powder coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106566372A true CN106566372A (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610902442.4A Withdrawn CN106566372A (en) | 2016-10-17 | 2016-10-17 | Activated waster rubber powder modified composite epoxy group antirust powder coating used for automobile chassis and preparation method for activated waster rubber powder modified composite epoxy group antirust powder coating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679455A (en) * | 2018-12-31 | 2019-04-26 | 安徽银龙泵阀股份有限公司 | A kind of antirust paint and preparation method thereof for heat-exchanger pump |
| CN111117474A (en) * | 2019-12-23 | 2020-05-08 | 江阴市玲珑高分子材料有限公司 | Thermosetting anion powder coating |
| CN113603371A (en) * | 2021-09-06 | 2021-11-05 | 广东中融玻璃科技有限公司 | Preparation method of colored glaze coated glass |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146250A (en) * | 2011-03-18 | 2011-08-10 | 扬州三川实业有限公司 | Special epoxy powder coating for anticorrosion of automobile part spring and production method thereof |
| CN102492353A (en) * | 2011-11-28 | 2012-06-13 | 江苏兰陵高分子材料有限公司 | Novel fast-set anticorrosion and wear-resistant epoxy powder coating and preparation process thereof |
| CN104829777A (en) * | 2015-05-14 | 2015-08-12 | 扬州三涧科贸有限公司 | Preparation method of micron-sized highly-crosslinked polymethyl methacrylate (PMMA) microspheres |
-
2016
- 2016-10-17 CN CN201610902442.4A patent/CN106566372A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146250A (en) * | 2011-03-18 | 2011-08-10 | 扬州三川实业有限公司 | Special epoxy powder coating for anticorrosion of automobile part spring and production method thereof |
| CN102492353A (en) * | 2011-11-28 | 2012-06-13 | 江苏兰陵高分子材料有限公司 | Novel fast-set anticorrosion and wear-resistant epoxy powder coating and preparation process thereof |
| CN104829777A (en) * | 2015-05-14 | 2015-08-12 | 扬州三涧科贸有限公司 | Preparation method of micron-sized highly-crosslinked polymethyl methacrylate (PMMA) microspheres |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679455A (en) * | 2018-12-31 | 2019-04-26 | 安徽银龙泵阀股份有限公司 | A kind of antirust paint and preparation method thereof for heat-exchanger pump |
| CN111117474A (en) * | 2019-12-23 | 2020-05-08 | 江阴市玲珑高分子材料有限公司 | Thermosetting anion powder coating |
| CN113603371A (en) * | 2021-09-06 | 2021-11-05 | 广东中融玻璃科技有限公司 | Preparation method of colored glaze coated glass |
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Application publication date: 20170419 |
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