CN106085122A - A kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating and preparation method thereof - Google Patents
A kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating and preparation method thereof Download PDFInfo
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- CN106085122A CN106085122A CN201610532655.2A CN201610532655A CN106085122A CN 106085122 A CN106085122 A CN 106085122A CN 201610532655 A CN201610532655 A CN 201610532655A CN 106085122 A CN106085122 A CN 106085122A
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
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- 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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- 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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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
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Abstract
nullThe invention discloses a kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating，Montmorillonite dilute hydrochloric acid solution acidification is carried out organically-modified again，Weaken the adhesion between cheating engaging layer，Interlayer lattice is made to split，Change the highly polar of surface，Interlayer is made to be changed into lipophile by hydrophilic，Reduce its surface energy，Interlamellar spacing is made to expand，Specific surface area and absorbability dramatically increase，Finally it is added at twice，Make montmorillonite in the epoxy resin modification stage by abundant intercalation and stripping，The lamella peeled off forms chemical bond with epoxy resin and is stably scattered in resin system，Modified epoxy is made to have superior high-temperature stability、Hot storage stability and ageing resistance，Improve water boiling resistance and the antikathode stripping performance of coating，The present invention goes back the composite modified filler of compatibility and other effective auxiliary agents simultaneously，The powdery paints prepared is coated on auto parts machinery spring，The compactness of film、Mechanical performance and excellent anti-corrosion performance.
Description
Technical field
The present invention relates to powder coating technology field, particularly relate to a kind of auto parts machinery spring special montmorillonite intercalation polymerization
Modified epoxy based powder coatings and preparation method thereof.
Background technology
Along with the enhancing of mankind's environmental consciousness, solvent based coating is gradually restricted, and development meets the coating of environmental requirement
Being trend of the times, Water-borne modification and solvent free coating are the directions of paint field development from now on.Powdery paints is a kind of novel
Without solvent 100% solid powdery coating, there is the advantages such as high usage, easy application, corrosion-resistant, environmental protection, the modern times spray
It is widely applied with in corrosion-resistant field.
Epoxy powder coating is a kind of important new coating that development in recent years is got up, with the material profit that it is higher
Heavier status is occupied with rate, stronger adhesive force and antiseptic property coating industry the most at home.In recent years, nanometer material
The development of material opens the frontier of material science, and nanometer particle-modified corrosion-resistant epoxy paint also has vast potential for future development.
Montmorillonite belongs to phyllosilicate, has the lattice arrangement of high-sequential.Utilize montmorillonite and the asphalt mixtures modified by epoxy resin with layer structure
Fat intercalation synthesis is prepared the research of a kind of high-performance epoxy resin based powder coatings and is received much concern, and epoxy resin based powder coating passes
System modification is that modifying agent montmorillonite is disposably joined the twin-screw extrusion stage, when hot setting, makes limellar stripping, this side
Method montmorillonite intercalation in the epoxy and peel off insufficient, the antikathode affecting powdery paints is peeled off and water boiling resistance performance.
The research of epoxy resin and performance powder coating thereof " the montmorillonite intercalation polymerization prepare " utilizes low molecular weight epoxy tree
Fat (E-51) inserts stratiform organo montmorillonite (OMMT), by intercalation polymeric and bisphenol-A and the 3rd component 2,6-di-t-butyl
P-methyl phenol (BHT) reacts, and obtains a kind of powder coating epoxy resin.The test of X x ray diffraction shows, stratiform is received
Rice montmorillonite layer is stripped completely, is dispersed in resin matrix.Control montmorillonite and add total amount and twice additional proportion,
The antikathode that can be obviously improved this coating is peeled off and water boiling resistance performance.
But, montmorillonite belongs to inorganic mineral, by adding montmorillonite at twice, makes montmorillonite prepare rank at epoxy resin
Section is by abundant intercalation and stripping, but both poor compatibility, the levelability of film certainly will be affected, meanwhile, in literary composition, method of modifying is single,
The powdery paints prepared only is peeled off at antikathode and makes moderate progress in water boiling resistance performance, and its comprcssive strength, scratch resistance, anti-corrosive properties
Etc. aspect improved, accordingly, it would be desirable to existing technique and formula are improved.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of special montmorillonite of auto parts machinery spring is inserted
Layers of polymer modified epoxy based powder coatings and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating, former by following weight portion
Material is made: bisphenol A formaldehyde epoxy resin 66-69, montmorillonite 2.7-3.6, tripolycyanamide 0.7-0.9, nano-sized iron oxide 1.5-
1.9, ceramic 19-22, Flos Rosae Rugosae deadwood 14-17, aluminum nitride powder 2-4, polydimethylsiloxane 2.4-3.1, the double first of Benzoinum
Ether 6-8, ethyl lactate 10-13, firming agent 4-5, pigment 5-7.
The making of described a kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating
Method, comprises the following steps:
(1) montmorillonite is put in the dilute hydrochloric acid solution that mass fraction is 5-8% and stirs 3-5 hour at 50 DEG C-90 DEG C, filter,
Washing, to neutral, dried, is dispersed in EtOH-DI water solution, and addition tripolycyanamide, aluminum nitride powder stir in 60 DEG C of water-baths
Mix 2-4 hour, ultrasonic disperse 20-30 minute, sucking filtration, washing, be dried under vacuum to constant weight, grind, sieve cyanurotriamide modified
Nano imvite；
(2) dried by Flos Rosae Rugosae deadwood, attrition grinding crosses 200 mesh sieves, adds ethyl lactate, ceramic stirring and evenly mixing standing 12-
14 hours, pelletize, sinter 20-30 minute in 800-1000 DEG C under nitrogen protection, add polydimethylsiloxane, nano oxidized
Ferrum grinds 20-30 minute to obtain composite modified filler；
(3) by bisphenol A formaldehyde epoxy resin, benzoin dimethylether stirring and evenly mixing, the modified nano montmorillonite of half quality is added,
Take out after reacting by heating 2-3 hour at 130-150 DEG C, obtain modified epoxy；
(4) modified epoxy prepared for step (3), step (2) material, the modified Nano of second half quality remaining are covered de-
Soil and other residual componentss put into stirring and evenly mixing in high mixer, melt extrude through double screw extruder, cool down pulverizing, cross 250-
300 mesh sieves, discharging.
The invention have the advantage that montmorillonite dilute hydrochloric acid solution acidification is carried out organically-modified by the present invention again, weaken
Adhesion between cheating engaging layer, makes interlayer lattice split, changes the highly polar of surface, make interlayer be changed into parent by hydrophilic
Oiliness, reduces its surface energy, makes interlamellar spacing expand, and specific surface area and absorbability dramatically increase, and finally it are added at twice,
Make montmorillonite steady by abundant intercalation and stripping, the lamella of stripping and epoxy resin formation chemical bond in the epoxy resin modification stage
Surely it is scattered in resin system, makes modified epoxy have superior high-temperature stability, hot storage stability and aging resistance
Property, improve water boiling resistance and the antikathode stripping performance of coating, the present invention goes back the composite modified filler of compatibility and other have simultaneously
Effect auxiliary agent, it is high that prepared powdery paints is coated on auto parts machinery spring utilization rate, and coating efficiency is high, the compactness of film, machinery
Performance and excellent anti-corrosion performance.
Detailed description of the invention
A kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating, by following weight portion
Raw material make: bisphenol A formaldehyde epoxy resin 66, montmorillonite 2.7, tripolycyanamide 0.7, nano-sized iron oxide 1.5, ceramic
19, Flos Rosae Rugosae deadwood 14, aluminum nitride powder 2, polydimethylsiloxane 2.4, benzoin dimethylether 6, ethyl lactate 10, firming agent 4, face
Material 5.
The making of described a kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating
Method, comprises the following steps:
(1) montmorillonite is put in the dilute hydrochloric acid solution that mass fraction is 5-8% and stirs 3-5 hour at 50 DEG C-90 DEG C, filter,
Washing, to neutral, dried, is dispersed in EtOH-DI water solution, and addition tripolycyanamide, aluminum nitride powder stir in 60 DEG C of water-baths
Mix 2-4 hour, ultrasonic disperse 20-30 minute, sucking filtration, washing, be dried under vacuum to constant weight, grind, sieve cyanurotriamide modified
Nano imvite；
(2) dried by Flos Rosae Rugosae deadwood, attrition grinding crosses 200 mesh sieves, adds ethyl lactate, ceramic stirring and evenly mixing standing 12-
14 hours, pelletize, sinter 20-30 minute in 800-1000 DEG C under nitrogen protection, add polydimethylsiloxane, nano oxidized
Ferrum grinds 20-30 minute to obtain composite modified filler；
(3) by bisphenol A formaldehyde epoxy resin, benzoin dimethylether stirring and evenly mixing, the modified nano montmorillonite of half quality is added,
Take out after reacting by heating 2-3 hour at 130-150 DEG C, obtain modified epoxy；
(4) modified epoxy prepared for step (3), step (2) material, the modified Nano of second half quality remaining are covered de-
Soil and other residual componentss put into stirring and evenly mixing in high mixer, melt extrude through double screw extruder, cool down pulverizing, cross 250-
300 mesh sieves, discharging.
The decocting in water performance and the antikathode fissility that utilize the powdery paints that the present invention prepares all reach Primary plateaus；Shock resistance
Ability is 39.6kg cm.
Claims (2)
1. an auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating, it is characterised in that by
The raw material of following weight portion is made: bisphenol A formaldehyde epoxy resin 66-69, montmorillonite 2.7-3.6, tripolycyanamide 0.7-0.9, receive
Rice ferrum oxide 1.5-1.9, ceramic 19-22, Flos Rosae Rugosae deadwood 14-17, aluminum nitride powder 2-4, polydimethylsiloxane 2.4-
3.1, benzoin dimethylether 6-8, ethyl lactate 10-13, firming agent 4-5, pigment 5-7.
A kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder the most according to claim 1
The manufacture method of coating, it is characterised in that comprise the following steps:
(1) montmorillonite is put in the dilute hydrochloric acid solution that mass fraction is 5-8% and stirs 3-5 hour at 50 DEG C-90 DEG C, filter,
Washing, to neutral, dried, is dispersed in EtOH-DI water solution, and addition tripolycyanamide, aluminum nitride powder stir in 60 DEG C of water-baths
Mix 2-4 hour, ultrasonic disperse 20-30 minute, sucking filtration, washing, be dried under vacuum to constant weight, grind, sieve cyanurotriamide modified
Nano imvite；
(2) dried by Flos Rosae Rugosae deadwood, attrition grinding crosses 200 mesh sieves, adds ethyl lactate, ceramic stirring and evenly mixing standing 12-
14 hours, pelletize, sinter 20-30 minute in 800-1000 DEG C under nitrogen protection, add polydimethylsiloxane, nano oxidized
Ferrum grinds 20-30 minute to obtain composite modified filler；
(3) by bisphenol A formaldehyde epoxy resin, benzoin dimethylether stirring and evenly mixing, the modified nano montmorillonite of half quality is added,
Take out after reacting by heating 2-3 hour at 130-150 DEG C, obtain modified epoxy；
(4) modified epoxy prepared for step (3), step (2) material, the modified Nano of second half quality remaining are covered de-
Soil and other residual componentss put into stirring and evenly mixing in high mixer, melt extrude through double screw extruder, cool down pulverizing, cross 250-
300 mesh sieves, discharging.
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| CN201610532655.2A CN106085122A (en) | 2016-07-07 | 2016-07-07 | A kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating and preparation method thereof |
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|---|---|---|---|
| CN201610532655.2A CN106085122A (en) | 2016-07-07 | 2016-07-07 | A kind of auto parts machinery spring special montmorillonite intercalation polymeric modification epoxy resin based powder coating and preparation method thereof |
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| CN106085122A true CN106085122A (en) | 2016-11-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309147A (en) * | 2017-06-24 | 2017-11-03 | 佛山市亿永创网络科技有限公司 | A kind of electronic product painting method based on low internal stress |
| CN107574708A (en) * | 2017-08-26 | 2018-01-12 | 蚌埠申徽彩色印刷包装有限公司 | A kind of auxiliary material of corrugated paper and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829860A (en) * | 2015-05-29 | 2015-08-12 | 北京理工大学 | Melamine cyanurate and montmorillonite nano-composite and preparation method thereof |
| CN104946079A (en) * | 2015-06-15 | 2015-09-30 | 蚌埠市阳光粉沫涂料有限责任公司 | Nano-montmorillonite-modified epoxy resin type powder coating and preparation method thereof |
-
2016
- 2016-07-07 CN CN201610532655.2A patent/CN106085122A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829860A (en) * | 2015-05-29 | 2015-08-12 | 北京理工大学 | Melamine cyanurate and montmorillonite nano-composite and preparation method thereof |
| CN104946079A (en) * | 2015-06-15 | 2015-09-30 | 蚌埠市阳光粉沫涂料有限责任公司 | Nano-montmorillonite-modified epoxy resin type powder coating and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309147A (en) * | 2017-06-24 | 2017-11-03 | 佛山市亿永创网络科技有限公司 | A kind of electronic product painting method based on low internal stress |
| CN107574708A (en) * | 2017-08-26 | 2018-01-12 | 蚌埠申徽彩色印刷包装有限公司 | A kind of auxiliary material of corrugated paper and preparation method thereof |
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