CN107868530B - A kind of building exterior wall heat preserving coating - Google Patents
A kind of building exterior wall heat preserving coating Download PDFInfo
- Publication number
- CN107868530B CN107868530B CN201711351650.0A CN201711351650A CN107868530B CN 107868530 B CN107868530 B CN 107868530B CN 201711351650 A CN201711351650 A CN 201711351650A CN 107868530 B CN107868530 B CN 107868530B
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- Prior art keywords
- wall heat
- exterior wall
- building exterior
- heat preserving
- coating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000000576 coating method Methods 0.000 title claims abstract description 38
- 239000011248 coating agent Substances 0.000 title claims abstract description 32
- 239000004113 Sepiolite Substances 0.000 claims abstract description 44
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 44
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 39
- 229920000180 alkyd Polymers 0.000 claims abstract description 18
- IJRHDFLHUATAOS-DPMBMXLASA-M sodium ricinoleate Chemical compound [Na+].CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O IJRHDFLHUATAOS-DPMBMXLASA-M 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000839 emulsion Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 12
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011324 bead Substances 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 11
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 7
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 7
- -1 tertiary alcohol ester Chemical class 0.000 claims abstract description 7
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000725 suspension Substances 0.000 claims description 20
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 5
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 5
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 5
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000001913 cellulose Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 abstract description 5
- 239000004354 Hydroxyethyl cellulose Substances 0.000 abstract description 5
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 abstract description 5
- 238000004321 preservation Methods 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000001579 optical reflectometry Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 7
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229940066675 ricinoleate Drugs 0.000 description 1
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Classifications
-
- 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
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of building exterior wall heat preserving coating, it is related to technical field of coatings, is made of following component: styrene-acrylic emulsion, alkyd resin, nano silica, propylene ylboronic acid adjacent two tertiary alcohol ester, hollow beads, hydroxyethyl cellulose, ethylene-vinyl acetate copolymer, the organically-modified sepiolite powder of sodium ricinoleate, dispersing agent, filler, deionized water;Building exterior wall heat preserving coating of the invention, it is obvious for external wall heat insulation and preservation effect, with flame resistance, weatherability, specific gravity is small, thermal coefficient is small, adhesive property is good, it is not easy to fall off, good toughness, while reducing the coefficient of heat conduction of coating, the light reflectivity of coating is improved, heat insulation and preservation effect is improved.
Description
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of building exterior wall heat preserving coating.
Background technique
Currently, the most flourishing country of coatings industry is still the U.S., they are equivalent to entirely annual building coating produced
The half of world's production, is only second to the Japan, developed country in the U.S., and the yield of annual coating is also larger.In seventy or eighty years in last century
A kind of building coating with heat-proof quality has been produced for the U.S..The nineties in last century, the U.S. are made using ceramics of raw material
This coating is used in metallic surface, has reached good effect, in aerospace by a kind of heat insulation preferable coating
There is good application in field.This ceramic insulation thermal insulation coatings production cost is low, have good workability, heat insulation is good, therefore one
A little mediterranean countries, such as the German, Western European countries, Switzerland and Italy, Spain etc. become the important consumption of this thermal insulation coatings
Country, still, existing building exterior wall heat preserving coating gradually can not meet the demand in market.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of building exterior wall heat preserving coating is provided.
The present invention is achieved by the following technical solutions:
A kind of building exterior wall heat preserving coating, is made of following component by weight: styrene-acrylic emulsion 90-100, alkyd resin
12-15, nano silica 1-3, two tertiary alcohol ester 2-5 of propylene ylboronic acid neighbour, hollow beads 5-10, hydroxyethyl cellulose 8-12,
The organically-modified sepiolite powder 10-18 of ethylene-vinyl acetate copolymer 3-5, sodium ricinoleate, dispersing agent 1.5-2.5, filler 8-
15, deionized water 60-80.
Further, the styrene-acrylic emulsion solid content 46.5%, viscosity 260mPas, level of residual monomers 0.5%, pH value
8.8。
Further, the alkyd resin is non-drying oil alkyd resin.
Further, the hollow beads real density is 0.35g/cm3, and partial size is 95 μm.
Further, the organically-modified sepiolite powder of the sodium ricinoleate the preparation method comprises the following steps:
(1) 800 mesh sepiolite powders are evenly spread in the ethanol solution that mass fraction is 10%, is configured to sepiolite powder
Suspension, the sepiolite powder and ethanol solution mixed proportion are 80g:250mL;
(2) sepiolite powder pH of suspension is adjusted to 3.5, is heated to 88 DEG C, is kept the temperature 30min, be then ultrasonically treated 5min;
(3) sodium ricinoleate that its quality 3.8% is added into step (2) treated sepiolite powder suspension, is heated to
It 75 DEG C, with 1200r/min revolving speed stirring 2 hours, is then filtered, is cleaned using deionized water to neutrality, be dried to perseverance
Weight to get.
Further, mass fraction is used to adjust sepiolite pH of suspension for 10% phosphoric acid solution in step (2).
Further, the dispersing agent is sodium metasilicate.
Further, the filler is precipitated calcium carbonate.
The present invention has the advantage that building exterior wall heat preserving coating of the invention compared with prior art, is used for external wall
Heat insulation and preservation effect is obvious, has flame resistance, weatherability, specific gravity is small, thermal coefficient is small, and adhesive property is good, it is not easy to it falls off, it is tough
Property it is good, while reducing the coefficient of heat conduction of coating, improve the light reflectivity of coating, improve heat insulation and preservation effect, the present invention passes through
Using the organically-modified sepiolite powder of sodium ricinoleate, the organically-modified sepiolite powder of sodium ricinoleate is applied to exterior wall heat-insulating paint
In, enable to thermal insulation coatings itself thermal resistance big, thermal coefficient significantly reduces, and can effectively reduce radiativity heat and to spreading
The coating heat transfer coefficient of heat, preparation is 0.0236-0.0267W/ (mK), and the present invention is by using styrene-acrylic emulsion and alkyd resin
In conjunction with so that the film after dry has the preferably transparency, to improve the reflectivity of filler, and then raising coating is heat-insulated
Effect.
Specific embodiment
Embodiment 1
A kind of building exterior wall heat preserving coating, is made of following component by weight: styrene-acrylic emulsion 90, alkyd resin 12,
Adjacent two tertiary alcohol esters 2 of nano silica 1, propylene ylboronic acid, hollow beads 5, hydroxyethyl cellulose 8, ethene-vinyl acetate copolymerization
The organically-modified sepiolite powder 10 of object 3, sodium ricinoleate, dispersing agent 1.5, filler 8, deionized water 60.
Further, the styrene-acrylic emulsion solid content 46.5%, viscosity 260mPas, level of residual monomers 0.5%, pH value
8.8。
Further, the alkyd resin is non-drying oil alkyd resin.
Further, the hollow beads real density is 0.35g/cm3, and partial size is 95 μm.
Further, the organically-modified sepiolite powder of the sodium ricinoleate the preparation method comprises the following steps:
(1) 800 mesh sepiolite powders are evenly spread in the ethanol solution that mass fraction is 10%, is configured to sepiolite powder
Suspension, the sepiolite powder and ethanol solution mixed proportion are 80g:250mL;
(2) sepiolite powder pH of suspension is adjusted to 3.5, is heated to 88 DEG C, is kept the temperature 30min, be then ultrasonically treated 5min;
(3) sodium ricinoleate that its quality 3.8% is added into step (2) treated sepiolite powder suspension, is heated to
It 75 DEG C, with 1200r/min revolving speed stirring 2 hours, is then filtered, is cleaned using deionized water to neutrality, be dried to perseverance
Weight to get.
Further, mass fraction is used to adjust sepiolite pH of suspension for 10% phosphoric acid solution in step (2).
Further, the dispersing agent is sodium metasilicate.
Further, the filler is precipitated calcium carbonate.
Embodiment 2
A kind of building exterior wall heat preserving coating, is made of following component by weight: styrene-acrylic emulsion 100, alkyd resin 15,
Adjacent two tertiary alcohol esters 5 of nano silica 3, propylene ylboronic acid, hollow beads 10, hydroxyethyl cellulose 12, ethene-vinyl acetate are total
The organically-modified sepiolite powder 18 of polymers 5, sodium ricinoleate, dispersing agent 2.5, filler 15, deionized water 80.
Further, the styrene-acrylic emulsion solid content 46.5%, viscosity 260mPas, level of residual monomers 0.5%, pH value
8.8。
Further, the alkyd resin is non-drying oil alkyd resin.
Further, the hollow beads real density is 0.35g/cm3, and partial size is 95 μm.
Further, the organically-modified sepiolite powder of the sodium ricinoleate the preparation method comprises the following steps:
(1) 800 mesh sepiolite powders are evenly spread in the ethanol solution that mass fraction is 10%, is configured to sepiolite powder
Suspension, the sepiolite powder and ethanol solution mixed proportion are 80g:250mL;
(2) sepiolite powder pH of suspension is adjusted to 3.5, is heated to 88 DEG C, is kept the temperature 30min, be then ultrasonically treated 5min;
(3) sodium ricinoleate that its quality 3.8% is added into step (2) treated sepiolite powder suspension, is heated to
It 75 DEG C, with 1200r/min revolving speed stirring 2 hours, is then filtered, is cleaned using deionized water to neutrality, be dried to perseverance
Weight to get.
Further, mass fraction is used to adjust sepiolite pH of suspension for 10% phosphoric acid solution in step (2).
Further, the dispersing agent is sodium metasilicate.
Further, the filler is precipitated calcium carbonate.
Embodiment 3
A kind of building exterior wall heat preserving coating, is made of following component by weight: styrene-acrylic emulsion 95, alkyd resin 13,
Adjacent two tertiary alcohol esters 3 of nano silica 2, propylene ylboronic acid, hollow beads 8, hydroxyethyl cellulose 10, ethene-vinyl acetate are total
The organically-modified sepiolite powder 15 of polymers 4, sodium ricinoleate, dispersing agent 1.8, filler 12, deionized water 70.
Further, the styrene-acrylic emulsion solid content 46.5%, viscosity 260mPas, level of residual monomers 0.5%, pH value
8.8。
Further, the alkyd resin is non-drying oil alkyd resin.
Further, the hollow beads real density is 0.35g/cm3, and partial size is 95 μm.
Further, the organically-modified sepiolite powder of the sodium ricinoleate the preparation method comprises the following steps:
(1) 800 mesh sepiolite powders are evenly spread in the ethanol solution that mass fraction is 10%, is configured to sepiolite powder
Suspension, the sepiolite powder and ethanol solution mixed proportion are 80g:250mL;
(2) sepiolite powder pH of suspension is adjusted to 3.5, is heated to 88 DEG C, is kept the temperature 30min, be then ultrasonically treated 5min;
(3) sodium ricinoleate that its quality 3.8% is added into step (2) treated sepiolite powder suspension, is heated to
It 75 DEG C, with 1200r/min revolving speed stirring 2 hours, is then filtered, is cleaned using deionized water to neutrality, be dried to perseverance
Weight to get.
Further, mass fraction is used to adjust sepiolite pH of suspension for 10% phosphoric acid solution in step (2).
Further, the dispersing agent is sodium metasilicate.
Further, the filler is precipitated calcium carbonate.
Comparative example 1: it is only that with the difference of embodiment 1 and the organically-modified sepiolite powder of sodium ricinoleate is replaced with into common Hai Pao
Mountain flour.
Comparative example 2: it is only that with the difference of embodiment 1 and does not add adjacent two tertiary alcohol esters of propylene ylboronic acid.
Comparative example 3: it is only that with the difference of embodiment 1 and alkyd resin is replaced with into epoxy resin.
Performance detection is carried out to embodiment and comparative example coating:
Table 1
Detection project | Technical indicator | Embodiment | Comparative example 1 | Comparative example 2 | Comparative example 3 |
Condition in container | Uniformly without lump after stirring | Pass through | There is small lump | Pass through | Pass through |
Application property | It is accessible to brush 2 | Pass through | Pass through | Pass through | Pass through |
Low-temperature stability | It never degenerates | It never degenerates | It never degenerates | It never degenerates | It never degenerates |
Appearance of film | Normally | Normally | Normally | Normally | Normally |
Abrasion resistance/time | ≥5000 | ≥12000 | ≥8000 | ≥11000 | ≥12000 |
Water resistance (15d) | It is without exception | It is without exception | It is without exception | It is without exception | It is without exception |
Tensile strength MPa | ≥1.0 | ≥1.92 | ≥1.53 | ≥1.88 | ≥1.90 |
Elongation at break % | 150-400 | 320-360 | 220-280 | 300-350 | 320-360 |
Thermal coefficient W/ (mK) | < 0.06 | 0.0236-0.0267 | 0.0503-0.0567 | 0.0286-0.0307 | 0.0243-0.0272 |
Building exterior wall heat preserving coating property prepared by the present invention is excellent as can be seen from Table 1.
Claims (7)
1. a kind of building exterior wall heat preserving coating, which is characterized in that be made by weight of following component: styrene-acrylic emulsion 90-
100, alkyd resin 12-15, nano silica 1-3, propylene ylboronic acid neighbour two tertiary alcohol ester 2-5, hollow beads 5-10, ethoxy
The organically-modified sepiolite powder 10-18 of cellulose 8-12, ethylene-vinyl acetate copolymer 3-5, sodium ricinoleate, dispersing agent 1.5-
2.5, filler 8-15, deionized water 60-80;The organically-modified sepiolite powder of sodium ricinoleate the preparation method comprises the following steps:
(1) 800 mesh sepiolite powders are evenly spread in the ethanol solution that mass fraction is 10%, is configured to sepiolite powder suspension
Liquid, the sepiolite powder and ethanol solution mixed proportion are 80g:250mL;
(2) sepiolite powder pH of suspension is adjusted to 3.5, is heated to 88 DEG C, is kept the temperature 30min, be then ultrasonically treated 5min;
(3) sodium ricinoleate that its quality 3.8% is added into step (2) treated sepiolite powder suspension, is heated to 75
DEG C, with 1200r/min revolving speed stirring 2 hours, then it is filtered, is cleaned using deionized water to neutrality, drying to constant weight,
To obtain the final product.
2. a kind of building exterior wall heat preserving coating as described in claim 1, which is characterized in that the styrene-acrylic emulsion solid content
46.5%, viscosity 260mPas, level of residual monomers 0.5%, pH value 8.8.
3. a kind of building exterior wall heat preserving coating as described in claim 1, which is characterized in that the alkyd resin is non-drying oil
Alkyd resin.
4. a kind of building exterior wall heat preserving coating as described in claim 1, which is characterized in that the hollow beads real density is
0.35g/cm3, partial size are 95 μm.
5. a kind of building exterior wall heat preserving coating as described in claim 1, which is characterized in that use mass fraction in step (2)
Sepiolite pH of suspension is adjusted for 10% phosphoric acid solution.
6. a kind of building exterior wall heat preserving coating as described in claim 1, which is characterized in that the dispersing agent is sodium metasilicate.
7. a kind of building exterior wall heat preserving coating as described in claim 1, which is characterized in that the filler is precipitated calcium carbonate.
Priority Applications (1)
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CN201711351650.0A CN107868530B (en) | 2017-12-15 | 2017-12-15 | A kind of building exterior wall heat preserving coating |
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CN201711351650.0A CN107868530B (en) | 2017-12-15 | 2017-12-15 | A kind of building exterior wall heat preserving coating |
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CN107868530A CN107868530A (en) | 2018-04-03 |
CN107868530B true CN107868530B (en) | 2019-11-08 |
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CN111793465B (en) * | 2020-08-18 | 2021-11-26 | 广西龙酉商贸有限公司 | Organic silicon modified soybean gum adhesive and preparation method thereof |
CN112708335B (en) * | 2020-12-27 | 2022-04-05 | 山东齐鲁漆业有限公司 | Quick-drying finish paint based on nano modified alkyd resin and preparation process thereof |
CN117089116B (en) * | 2023-10-18 | 2024-01-09 | 山东理工大学 | Sodium polyol heat-conducting filler modifier, modified heat-conducting filler and polyurethane heat-conducting adhesive |
Citations (1)
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CN105017872A (en) * | 2015-07-13 | 2015-11-04 | 安徽万兴实业有限公司 | Thermal insulation functional coating for exterior walls |
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CN105017872A (en) * | 2015-07-13 | 2015-11-04 | 安徽万兴实业有限公司 | Thermal insulation functional coating for exterior walls |
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