CN110054918A - A kind of cracking resistance inorganic heat preservation coating - Google Patents
A kind of cracking resistance inorganic heat preservation coating Download PDFInfo
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- CN110054918A CN110054918A CN201910386239.XA CN201910386239A CN110054918A CN 110054918 A CN110054918 A CN 110054918A CN 201910386239 A CN201910386239 A CN 201910386239A CN 110054918 A CN110054918 A CN 110054918A
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic 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
- 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
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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
- 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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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Abstract
The invention belongs to inorganic coating technical fields, and in particular to a kind of cracking resistance inorganic heat preservation coating.Cracking resistance inorganic heat preservation coating of the invention includes the component of following parts by weight: 25~60 parts of silicate binder, 2~8 parts of fire resistant organic fibre, 10~25 parts of aeroge, 10~15 parts of vermiculite, 0.2~0.5 part of coupling agent.The anti-cracking performance of inorganic heat preservation coating can be remarkably reinforced in the fire resistant organic fibre that the present invention uses, so that inorganic heat preservation coating has excellent anti-cracking performance in high/low temperature cyclic process;Aeroge enables to coating of the invention to have preferable thermal insulation property as heat preservation main material.
Description
Technical field
The invention belongs to inorganic coating technical fields, and in particular to a kind of cracking resistance inorganic heat preservation coating.
Background technique
In recent years, inorganic coating has obtained extensive exploitation as a kind of energy saving and environment friendly coating in terms of functionality,
Middle inorganic heat preservation coating is a important inorganic energy saving environmental protection product, is even more had been rapidly developed and applied.Inorganic painting
To expect the high temperature resistance for having better than organic coating, does not generate harmful substance under the high temperature conditions, safety and environmental protection is pollution-free, but
It is that there is also disadvantage easy to crack and deficiencies for inorganic coating, this is just restricted the promotion and application of inorganic coating.
Summary of the invention
The purpose of the present invention is to provide a kind of good cracking resistance inorganic heat preservation coating of anti-cracking performance.
To achieve the above object, the technical solution that cracking resistance inorganic heat preservation coating of the invention uses are as follows:
A kind of cracking resistance inorganic heat preservation coating, the component including following parts by weight: 25~60 parts of silicate binder, resistance to height
2~8 parts of warm organic fiber, 10~25 parts of aeroge, 10~15 parts of vermiculite, 0.2~0.5 part of coupling agent.
The fire resistant organic fibre that the present invention uses modulus with higher, so that the anti-cracking performance of coating enhances.Silicon
Hydrochlorate binder and fire resistant organic fibre can bear relatively high and lower temperature, so that coating of the invention has
Good high temperature resistant and cryogenic property.Aeroge has extremely low thermal conductivity, and the nanoscale hole possessed can effectively inhibit gas
Conduction of the molecule to heat makes 3~5 times of its thermal and insulating performance traditional material, has the unrivaled guarantor of traditional material
Temp effect.In addition, aeroge is also very sturdy and durable, and high temperature resistant.Therefore aeroge makes coating have good heat insulating ability
Energy.Vermiculite has low thermal coefficient, and being used in combination with aeroge can make the thermal insulation property of coating more excellent.Coupling agent is one
Kind can enhance the organic compound of affinity between inorganic filler (such as vermiculite) and fire resistant organic fibre, it passes through to nothing
Machine filler carries out chemical reaction or physically trapping etc., and inorganic filler surface is made to become lipophilic by hydrophily, reaches and high temperature resistant
The purpose that organic fiber is combined closely, to improve the comprehensive performance of coating.
The silicate binder is at least one of silica solution, potassium silicate, sodium metasilicate, lithium metasilicate.Above-mentioned binder
It is easy in conjunction with the other components in coating, to increase adhesion strength;And the normal of coating is conducive to using silicate binder
Temperature solidification.
The fire resistant organic fibre is at least one of pbo fiber, PI fiber, PPS fiber.Pbo fiber has excellent
In the modulus and intensity of other organic fibers, and high temperature resistant, the maximum temperature being able to bear are 600 DEG C;PI fiber has height
It is the characteristic of strong Gao Mo, high temperature resistant and low temperature, resistant to chemical etching;There is PPS fiber excellent thermal stability, elongation and fracture to stretch
Long rate.Therefore the anti-cracking performance and heat-resisting quantity of coating can further be improved by fire resistant organic fibre being added in coating
Energy.
The coupling agent is at least one of silane coupling agent, titanate coupling agent.The coupling agent of mentioned kind is city
Face conventional products, are easy to get.
The aeroge is aerosil.Aerosil has preferable thermal insulation property, and
Realize industrial applications.
For the performance for further promoting coating, cracking resistance inorganic heat preservation coating of the invention further includes helping for 1~3 parts by weight
Agent, the auxiliary agent are at least one of dispersing agent, fungicide, levelling agent, thickener.
Specific embodiment
Cracking resistance inorganic heat preservation coating of the invention includes the component of following parts by weight: 25~60 parts of silicate binder,
2~8 parts of fire resistant organic fibre, 10~25 parts of aeroge, 10~15 parts of vermiculite, 0.2~0.5 part of coupling agent.
Preferably, cracking resistance inorganic heat preservation coating of the invention includes the component of following parts by weight: silicate binder 35
~55 parts, 6~7 parts of fire resistant organic fibre, 15~25 parts of aeroge, 10~15 parts of vermiculite, 0.3~0.5 part of coupling agent.
The length of the fire resistant organic fibre is 50~180 μm, and draw ratio is (50~180): (17~44.8).
Preferably, the vermiculite is expanded vermiculite.
Preferably, the coupling agent is at least one of silane coupling agent, titanate coupling agent.The silane coupling agent
For at least one of KH550, KH560, KH570, KH580.The titanate coupling agent is monoalkoxy fatty acid NDZ-
131, at least one of monoalkoxy phosphate type NDZ-102, monoalkoxy pyrophosphoric acid ester type NDZ-201.
Cracking resistance inorganic heat preservation coating of the invention further includes the auxiliary agent of 1~3 parts by weight.Preferably, the parts by weight of auxiliary agent
It is 1.5~3 parts.
Preferably, the viscosity of cracking resistance inorganic heat preservation coating of the invention is 70~100KU.
The present invention is further explained in the light of specific embodiments.
Embodiment 1
The cracking resistance inorganic heat preservation coating of the present embodiment is grouped as by the group of following parts by weight: 25 parts of silicate binder,
It is 25 parts of aerosil, 15 parts of expanded vermiculite, 8 parts of pbo fiber (length be 50 μm, draw ratio 50:17), silane coupled
0.2 part of agent, 1 part of auxiliary agent, 25.8 parts of water.Wherein silicate binder is silica solution;Silane coupling agent is KH550;Auxiliary agent are as follows: poly-
Carboxylic acid sodium salt form dispersing agent, methylisothiazolinone fungicide, polyether-modified dimethyl silicone polymer levelling agent, polyether-polyurethane
Thickener, mass ratio 3:2:2:2.
The cracking resistance inorganic heat preservation coating of the present embodiment is by method comprising the following steps:
(1) dispersion cylinder for filling dispersing agent and water is dispersed into 10min in the case where revolving speed is the dispersion impeller of 300r/min, fills it
Divide mixing;
(2) will dispersion disk rotating speed be adjusted to 800r/min, successively add aerosil, expanded vermiculite, pbo fiber,
Silane coupling agent stirs 20min, is uniformly mixed filler;
(3) reduce dispersion disk rotating speed to 500r/min, add silicate binder, stir 10min, add fungicide,
Levelling agent, thickener stir 10min, and cracking resistance inorganic heat preservation coating is made.
Embodiment 2
The cracking resistance inorganic heat preservation coating of the present embodiment is grouped as by the group of following parts by weight: 45 parts of silicate binder,
It is 20 parts of aerosil, 12 parts of expanded vermiculite, 5 parts of pbo fiber (length be 100 μm, draw ratio 5:1), silane coupled
0.3 part of agent, 2 parts of auxiliary agent, 15.7 parts of water.Wherein silicate binder is silica solution;Silane coupling agent is KH550;Auxiliary agent are as follows: poly-
Carboxylic acid sodium salt form dispersing agent, methylisothiazolinone fungicide, polyether-modified dimethyl silicone polymer levelling agent, polyether-polyurethane
Thickener, mass ratio 1:1:1:1.
The preparation method of the coating of the present embodiment is distinguished referring to the preparation method of coating in embodiment 1 and is only that original used
The amount of material is different.
Embodiment 3
The cracking resistance inorganic heat preservation coating of the present embodiment is grouped as by the group of following parts by weight: 60 parts of silicate binder,
10 parts of aerosil, 10 parts of expanded vermiculite, 2 parts of PI fiber (length is 120 μm, draw ratio 6:1), titanate esters coupling
0.4 part of agent, 3 parts of auxiliary agent, 14.6 parts of water.Wherein silicate binder is potassium silicate;Titanate coupling agent is monoalkoxy fat
Acid type NDZ-131;Auxiliary agent are as follows: sodium polycarboxylate salt form dispersing agent, methylisothiazolinone fungicide, polyether-modified poly dimethyl silicon
Oxygen alkane levelling agent, polyether-polyurethane thickener, mass ratio 5:3:3:3.
The preparation method of the coating of the present embodiment is distinguished referring to the preparation method of coating in embodiment 1 and is only that original used
The specific type and amount of material are different.
Embodiment 4
The cracking resistance inorganic heat preservation coating of the present embodiment is grouped as by the group of following parts by weight: 45 parts of silicate binder,
15 parts of aerosil, 12 parts of expanded vermiculite, 5 parts of PI fiber (length is 150 μm, draw ratio 5:1), titanate esters coupling
0.5 part of agent, 2 parts of auxiliary agent, 20.5 parts of water.Wherein silicate binder is sodium metasilicate;Titanate coupling agent is monoalkoxy phosphoric acid
Ester type NDZ-102;Auxiliary agent are as follows: sodium polycarboxylate salt form dispersing agent, methylisothiazolinone fungicide, polyether-modified poly dimethyl silicon
Oxygen alkane levelling agent, polyether-polyurethane thickener, mass ratio 5:4:4:4.
The preparation method of the coating of the present embodiment is distinguished referring to the preparation method of coating in embodiment 1 and is only that original used
The specific type and amount of material are different.
Embodiment 5
The cracking resistance inorganic heat preservation coating of the present embodiment is grouped as by the group of following parts by weight: 55 parts of silicate binder,
18 parts of aerosil, 12 parts of expanded vermiculite, 3 parts of PPS fiber (length is 180 μm, draw ratio 180:44.8), metatitanic acid
0.5 part of ester coupling agent, 1 part of auxiliary agent, 10.5 parts of water.Wherein silicate binder is lithium metasilicate;Titanate coupling agent is single alcoxyl
Base pyrophosphoric acid ester type NDZ-201;Auxiliary agent are as follows: sodium polycarboxylate salt form dispersing agent, methylisothiazolinone fungicide are polyether-modified poly-
Dimethyl siloxane levelling agent, polyether-polyurethane thickener, mass ratio 8:5:5:5.
The preparation method of the coating of the present embodiment is distinguished referring to the preparation method of coating in embodiment 1 and is only that original used
The specific type and amount of material are different.
Comparative example
The inorganic heat preservation coating of this comparative example is grouped as by the group of following parts by weight: 45 parts of silicate binder, titanium dioxide
15 parts of silica aerogel, 12 parts of expanded vermiculite, 2 parts of auxiliary agent, 26 parts of water.Wherein silicate binder is sodium metasilicate;Auxiliary agent includes: poly-
Carboxylic acid sodium salt form dispersing agent, methylisothiazolinone fungicide, polyether-modified dimethyl silicone polymer levelling agent, poly(ether-urethane) increase
Thick dose, mass ratio 5:4:4:4.
The preparation method of the coating of the preparation method reference implementation example 4 of the coating of this comparative example.
Test example 1
The coating of coating and comparative example to the Examples 1 to 5 of cracking resistance inorganic heat preservation coating of the invention is according to JG/
T25-2017 " building coating coating temperature-change resistance test method " carries out anti-cracking performance detection, and higher temperature parameter is 200 when detection
DEG C, low temperature parameter is -30 DEG C.Testing result is (as shown in table 1): cracking resistance inorganic heat preservation coating of the invention passes through 5 temperature
Become circulation without dusting, without cracking, without peeling, bubble-free, without discoloration, and the coating in comparative example goes out after 2 temperature shock cycles
Phenomena such as existing dusting, cracking.Testing result explanation can be obviously improved and enhance nothing using fire resistant organic fibre and coupling agent
The anti-cracking performance of machine thermal insulation coatings.
Test example 2
The Examples 1 to 5 of cracking resistance inorganic heat preservation coating and the coating of comparative example of the invention are adhered to respectively
Power and alkali resistance test.Wherein adhesive force test according to GB/T 9286-1998 " paint and varnish cross cut test " standard into
Row, alkali resistance test are carried out according to GB/T9265-1988 " measurement of building coating coating alkali resistance " standard, test result such as table
Shown in 1.
The performance test results of 1 coating of table
As shown in Table 1, cracking resistance inorganic heat preservation coating of the invention has preferable adhesive force and alkali resistance.
Claims (6)
1. a kind of cracking resistance inorganic heat preservation coating, which is characterized in that the component including following parts by weight: silicate binder 25~
60 parts, 2~8 parts of fire resistant organic fibre, 10~25 parts of aeroge, 10~15 parts of vermiculite, 0.2~0.5 part of coupling agent.
2. cracking resistance inorganic heat preservation coating according to claim 1, which is characterized in that the silicate binder is that silicon is molten
At least one of glue, potassium silicate, sodium metasilicate, lithium metasilicate.
3. cracking resistance inorganic heat preservation coating according to claim 1, which is characterized in that the fire resistant organic fibre is
At least one of pbo fiber, PI fiber, PPS fiber.
4. cracking resistance inorganic heat preservation coating according to claim 1, which is characterized in that the coupling agent is silane coupled
At least one of agent, titanate coupling agent.
5. cracking resistance inorganic heat preservation coating according to claim 1, which is characterized in that the aeroge is silica gas
Gel.
6. described in any item cracking resistance inorganic heat preservation coating according to claim 1~5, which is characterized in that further include 1~3 weight
The auxiliary agent of part is measured, the auxiliary agent is at least one of dispersing agent, fungicide, levelling agent, thickener.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110746798A (en) * | 2019-09-11 | 2020-02-04 | 鳄鱼制漆(上海)有限公司 | Anti-condensation inorganic silicate interior wall coating and preparation method thereof |
CN111019417A (en) * | 2019-12-16 | 2020-04-17 | 青岛环秀涂料有限公司 | Inorganic heat-preservation, heat-insulation, fireproof and hydrophobic coating and preparation method thereof |
CN111269593A (en) * | 2020-03-27 | 2020-06-12 | 广州番禺电缆集团有限公司 | Water-based inorganic antibacterial insulating paint and preparation method thereof |
CN111410552A (en) * | 2020-04-30 | 2020-07-14 | 上海中南建筑材料有限公司 | Fire-resistant aerogel thermal insulation coating and preparation method thereof |
CN112852196A (en) * | 2021-01-11 | 2021-05-28 | 中广核研究院有限公司 | Aerogel coating and preparation method thereof, and aerogel coating and preparation method thereof |
CN114133774A (en) * | 2021-12-30 | 2022-03-04 | 北京大学 | Inorganic silicone resin/basalt fiber composite high-temperature-resistant coating and preparation method thereof |
CN115160840A (en) * | 2022-07-29 | 2022-10-11 | 广东聚石科技研究有限公司 | Inorganic coating and preparation method and application thereof |
CN115678325A (en) * | 2022-10-13 | 2023-02-03 | 华润水泥技术研发有限公司 | Antifouling wear-resistant coating for protecting surface of inorganic artificial stone and preparation and use methods thereof |
CN115975506A (en) * | 2023-02-16 | 2023-04-18 | 辽宁工业大学 | Phase-change energy-storage temperature-control coating and preparation method thereof |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110746798A (en) * | 2019-09-11 | 2020-02-04 | 鳄鱼制漆(上海)有限公司 | Anti-condensation inorganic silicate interior wall coating and preparation method thereof |
CN111019417A (en) * | 2019-12-16 | 2020-04-17 | 青岛环秀涂料有限公司 | Inorganic heat-preservation, heat-insulation, fireproof and hydrophobic coating and preparation method thereof |
CN111269593A (en) * | 2020-03-27 | 2020-06-12 | 广州番禺电缆集团有限公司 | Water-based inorganic antibacterial insulating paint and preparation method thereof |
CN111410552A (en) * | 2020-04-30 | 2020-07-14 | 上海中南建筑材料有限公司 | Fire-resistant aerogel thermal insulation coating and preparation method thereof |
CN112852196A (en) * | 2021-01-11 | 2021-05-28 | 中广核研究院有限公司 | Aerogel coating and preparation method thereof, and aerogel coating and preparation method thereof |
CN114133774A (en) * | 2021-12-30 | 2022-03-04 | 北京大学 | Inorganic silicone resin/basalt fiber composite high-temperature-resistant coating and preparation method thereof |
CN115160840A (en) * | 2022-07-29 | 2022-10-11 | 广东聚石科技研究有限公司 | Inorganic coating and preparation method and application thereof |
CN115678325A (en) * | 2022-10-13 | 2023-02-03 | 华润水泥技术研发有限公司 | Antifouling wear-resistant coating for protecting surface of inorganic artificial stone and preparation and use methods thereof |
CN115975506A (en) * | 2023-02-16 | 2023-04-18 | 辽宁工业大学 | Phase-change energy-storage temperature-control coating and preparation method thereof |
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Application publication date: 20190726 |
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