CN105176306A - Multifunctional 100% solid content amino silicone crosslinked epoxy coating - Google Patents
Multifunctional 100% solid content amino silicone crosslinked epoxy coating Download PDFInfo
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- CN105176306A CN105176306A CN201510615313.2A CN201510615313A CN105176306A CN 105176306 A CN105176306 A CN 105176306A CN 201510615313 A CN201510615313 A CN 201510615313A CN 105176306 A CN105176306 A CN 105176306A
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Abstract
The invention discloses a multifunctional 100% solid content amino silicone crosslinked epoxy coating. The coating is prepared from composite slurry and a curing agent. The composite slurry is prepared from, by weight, 10-30% of amino silicon resin, 10-30% of epoxy resin, 20-35% of titanium dioxide, 0.1-1% of 100% solid content oily defoaming agent, 0.1-1% of 100% solid content oily dispersing agent, 0.1-1% of 100% solid content oily leveling agent and the balance mica powder. The curing agent is an amino curing agent with the amine value of 300 mg KOH/g. The weight ratio of the composite slurry to the curing agent is 5:1. The coating has the decorating function like a common decorative coating and further has the special functions of super salt mist resistance, chemical resistance, temperature resistance and insulativity; besides, the coating can be applied on metal, concrete, wood, plastic and other base materials and applied to corrosion prevention, waterproofing, temperature resistance and other fields.
Description
Technical field
The present invention relates to a kind of have heatproof, weather-proof, wear-resisting, insulation, corrosion proof function feature of environmental protection multifunctional coating, can be applicable to the fields such as industrial antisepsis, building, home decoration, electronics.
Background technology
Coating can protect base material from the erosion of environment; before the nineties in 20th century, usually based on organic resin (such as, epoxy resin or urethane); in nearly 10 years, the interest of polyorganosiloxane resin system is significantly increased, estimate that annual growth (US) will reach 12%.In in the past 10 years, the high-weatherability of polyorganosiloxane resin system is that external decoration coating provides film-forming base, but rely on the humidity of air when traditional polysiloxane solidification is hydrolyzed, temperature dependent during polycondensation, working conditions is depended in abundant solidification, so silane can solidify not exclusively, causes paint film stress decrease, cause paint film catalysis, and the intermediate of band silica group can discharge poisonous alcohol by-product contamination environment.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of 100% admittedly containing amino silicone cross-linked epoxy multifunctional coating, in moist and the brushing of corrosion substrate surface, can have the feature of heat-and corrosion-resistant.In addition, coating of the present invention amino silicone used is cross-linked formed polymkeric substance and obtains before use, does not therefore rely on envrionment conditions and curable, does not produce alcohol, coating safety and environmental protection in film curing process.
In order to solve the problems of the technologies described above, one 100% of the present invention containing amino silicone cross-linked epoxy multifunctional coating, comprises composite pulp and solidifying agent admittedly; Described composite pulp component and weight percent are: amino silicone 10-30%, epoxy resin 10-30%, titanium dioxide 20-35%, 100% solid oiliness defoamer 0.1-1%, 100% solid oiliness dispersion agent 0.1-1%; 100% solid oiliness flow agent 0.1-1%; Surplus is mica powder; Described solidifying agent adopts amine value to be the amine based curative of 300mgKOH/g; The weight ratio of described composite pulp and described solidifying agent is 5:1.
Preferably, the particle diameter of each component in described composite pulp is less than 50 microns, and wherein, the particle diameter of described mica powder is preferably 10-15 micron, and the alumina content of mica powder is at least 30%.
Preferably, solid the containing of described amino silicone and epoxy resin is 100% respectively.
Preferably, described titanium dioxide adopts Rutile type Titanium Dioxide.
Compared with prior art, the invention has the beneficial effects as follows:
Coating of the present invention is by adopting solvent-free materials, and non-volatile content solids content 100% is environmental protecting multifunctional coating.The ratio of the wherein said amino silicone determined and mica powder, play wear-resisting, heatproof, self-cleaning effect, simultaneously, containing epoxy resin ingredient in coating, after composite pulp and solidifying agent react, coating firm attachment on various base material can be ensured, other component in coating of the present invention can keep decoration and the defencive function of coating, coating of the present invention is except having the decoration functions of general decorative paint, also there is super salt spray resistance, chemical resistant properties, heatproof, the features of insulation, but also can at metal, concrete, wooden, the base materials such as plastics are brushed, can be applicable to anticorrosion, waterproof, the every field such as heatproof.
Embodiment
Be described in further detail technical solution of the present invention below in conjunction with specific embodiment, described specific embodiment only explains the present invention, not in order to limit the present invention.
Embodiment 1, preparation a kind of 100% are admittedly containing amino silicone cross-linked epoxy multifunctional coating.
This coating comprises composite pulp and solidifying agent, and by weight percentage, its composition of raw materials is: composite pulp comprises amino silicone 17%, epoxy resin 15%, R960 titanium dioxide 30%, mica powder 36%, BYKA530 defoamer 0.5%, BYK220 dispersion agent 1% and Di Gao 1484 flow agent 0.5%.Wherein the particle diameter of mica powder is 15 microns, and the content of its aluminum oxide is at least 30%.
The preparation of this composite pulp is: amino silicone is dropped into a mixing bowl, epoxy resin is added under 300-500 rev/min of speed, stir and add above-mentioned dispersion agent, defoamer, titanium dioxide and mica powder after 10 minutes, disperse 30 minutes under 800-1200 rev/min of speed, sand milling, to fineness 50 microns, proceed to filter, after filtration, be gained.Solidifying agent employing amine value is 100% amine based curative of 300mgKOH/g, filters.
Embodiment 2, preparation a kind of 100% are admittedly containing amino silicone cross-linked epoxy multifunctional coating.
This coating comprises composite pulp and solidifying agent, by weight percentage, its composition of raw materials is: composite pulp comprises amino silicone 20%, epoxy resin 13%, R818 rutile titanium white powder 35%, the auspicious mica powder 26% of lattice, enlightening height 901W defoamer 0.6%, BYK220 dispersion agent 0.8% and Di Gao 440 flow agent 0.6%.Wherein, the particle diameter of mica powder is 15 microns, and the content of its aluminum oxide is 30%.The preparation of this composite pulp is with embodiment 1.Solidifying agent employing amine value is 100% amine based curative of 300mgKOH/g.Before use, according to composite pulp, for 5:1 mixes, rear obtained the present invention 100% contains amino silicone cross-linked epoxy multifunctional coating admittedly with solidifying agent weight ratio.
Embodiment 3, preparation a kind of 100% are admittedly containing amino silicone cross-linked epoxy multifunctional coating.
This coating comprises composite pulp and solidifying agent, and described composite pulp component and weight percent are: amino silicone 10%, epoxy resin 30%, R818 titanium dioxide 30%, the solid oiliness dispersion agent 1% of the solid oiliness defoamer 1%, 100% of the auspicious mica powder 23%, 100% of lattice; 100% solid oiliness flow agent 1%; Wherein, the particle diameter of mica powder is 10 microns, and the content of its aluminum oxide is 40%.The preparation of this composite pulp, the concrete material of solidifying agent and all identical with embodiment 1 with the proportioning of composite pulp.
Embodiment 4, preparation a kind of 100% are admittedly containing amino silicone cross-linked epoxy multifunctional coating.
This coating comprises composite pulp and solidifying agent, and described composite pulp component and weight percent are: amino silicone 30%, epoxy resin 10%, R818 titanium dioxide 20%, the solid oiliness dispersion agent 0.1% of the solid oiliness defoamer 0.1%, 100% of the auspicious mica powder 39.7%, 100% of lattice; 100% solid oiliness flow agent 0.1%; Wherein, the particle diameter of mica powder is 10 microns, and the content of its aluminum oxide is 35%.The preparation of this composite pulp, the concrete material of solidifying agent and all identical with embodiment 1 with the proportioning of composite pulp.
The present invention 100% is admittedly containing the use major substrate pre-treatment → paint → spraying of amino silicone cross-linked epoxy multifunctional coating high-performance multifunctional coating; Described ground can be metal, concrete, wooden and plastic basis material.
(1) ground pre-treatment: need removing base material grease, oxide skin, floating dust and loose part before spraying, sandblasting is according to circumstances carried out in metallic surface.
(2) paint: by composite pulp and solidifying agent according to composite pulp and solidifying agent weight ratio be leave standstill 2 minutes after 5:1 mixing and stirring after, prepare spraying.
(3) spraying operation, carries out one to three time construction to base material: construction environment: temperature 5-35 DEG C, can not construct in sleet; Application mode: industrial high-pressure spraying machine spraying or hand spray, all right roller coating or brushing; Thickness is that 0.2 millimeter is advisable, and after complete drying, maintenance can be come into operation after 7 days.
100% is admittedly as follows containing the key technical indexes of amino silicone cross-linked epoxy multifunctional coating:
25 DEG C of surface drying: 6h (measuring by GB/T1728-1989 assay method);
Do solid work for 25 DEG C: 24h (measuring by GB/T1728-1989 assay method);
Non-volatile content: 100% (measuring by the regulation of GB GB/T1725-2007);
Pencil hardness: 3H (measuring by GB/T6739 hardness of film pencil assay method);
Resistance to 20% hydrochloric acid: 3 months unchanged (measuring by GB/T1763 paint film chemical reagent resistance bioassay standard);
Resistance to 20% sodium hydroxide: 3 months unchanged (measuring by GB/T1763 paint film chemical reagent resistance bioassay standard);
Resistance to neutral salt spray: 3000 hours (measuring by the bioassay standard of the resistance to neutral salt spray performance of GB/T1771);
Ageing-resistant (ultraviolet xenon lamp): 4000 hours (measuring by the regulation of GB/T1865-2009).
Lay special stress on, the amino silicone in composite pulp of the present invention is 100% admittedly to contain, otherwise can affect the environmental-protecting performance of product.Weight ratio between composite pulp and solidifying agent is 5:1 mixing and stirring, if blending ratio has error that solidification can be caused bad, paint film cannot be normally dry, thus affect the physical and chemical index of paint film.
Although invention has been described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; when not departing from present inventive concept, can also make a lot of distortion, these all belong within protection of the present invention.
Claims (6)
1. 100% admittedly containing an amino silicone cross-linked epoxy multifunctional coating, comprises composite pulp and solidifying agent, it is characterized in that:
Described composite pulp component and weight percent are: amino silicone 10-30%, epoxy resin 10-30%, titanium dioxide 20-35%, 100% solid oiliness defoamer 0.1-1%, 100% solid oiliness dispersion agent 0.1-1%; 100% solid oiliness flow agent 0.1-1%; Surplus is mica powder;
Described solidifying agent adopts amine value to be the amine based curative of 300mgKOH/g;
The weight ratio of described composite pulp and described solidifying agent is 5:1.
2., according to claim 1 100% admittedly containing amino silicone cross-linked epoxy multifunctional coating, wherein, the particle diameter of each component in described composite pulp is all less than 50 microns.
3., according to claim 2 100% admittedly containing amino silicone cross-linked epoxy multifunctional coating, wherein, the particle diameter of described mica powder is 10-15 micron.
4., according to claim 2 100% admittedly containing amino silicone cross-linked epoxy multifunctional coating, wherein, the alumina content of described mica powder is greater than 30%.
5. according to claim 1 100% admittedly containing amino silicone cross-linked epoxy multifunctional coating, wherein, described amino silicone and epoxy resin is solid containing being 100% respectively.
6., according to claim 1 100% admittedly containing amino silicone cross-linked epoxy multifunctional coating, wherein, described titanium dioxide adopts Rutile type Titanium Dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510615313.2A CN105176306A (en) | 2015-09-24 | 2015-09-24 | Multifunctional 100% solid content amino silicone crosslinked epoxy coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510615313.2A CN105176306A (en) | 2015-09-24 | 2015-09-24 | Multifunctional 100% solid content amino silicone crosslinked epoxy coating |
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| CN105176306A true CN105176306A (en) | 2015-12-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802479A (en) * | 2016-06-04 | 2016-07-27 | 付学勇 | Wear-resistant self-cleaning coating and preparation method and application method thereof |
| CN106398338A (en) * | 2016-12-12 | 2017-02-15 | 西安万祥新材料有限公司 | Special high temperature self-dry insulating enamel and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705043A (en) * | 2009-09-23 | 2010-05-12 | 江苏达胜热缩材料有限公司 | Solvent-free epoxy coating |
| CN103468095A (en) * | 2013-07-23 | 2013-12-25 | 江苏博特新材料有限公司 | Silane coupling agent-modified epoxy resin, and preparation method and application thereof |
-
2015
- 2015-09-24 CN CN201510615313.2A patent/CN105176306A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705043A (en) * | 2009-09-23 | 2010-05-12 | 江苏达胜热缩材料有限公司 | Solvent-free epoxy coating |
| CN103468095A (en) * | 2013-07-23 | 2013-12-25 | 江苏博特新材料有限公司 | Silane coupling agent-modified epoxy resin, and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802479A (en) * | 2016-06-04 | 2016-07-27 | 付学勇 | Wear-resistant self-cleaning coating and preparation method and application method thereof |
| CN106398338A (en) * | 2016-12-12 | 2017-02-15 | 西安万祥新材料有限公司 | Special high temperature self-dry insulating enamel and preparation method thereof |
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Application publication date: 20151223 |