CN107868530B - A kind of building exterior wall heat preserving coating - Google Patents

A kind of building exterior wall heat preserving coating Download PDF

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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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China
Prior art keywords
wall heat
exterior wall
building exterior
heat preserving
coating
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Expired - Fee Related
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CN201711351650.0A
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Chinese (zh)
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CN107868530A (en
Inventor
韩华松
温标
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Anhui Wu Yue Pine Nanotechnology Co Ltd
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Anhui Wu Yue Pine Nanotechnology Co Ltd
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Priority to CN201711351650.0A priority Critical patent/CN107868530B/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D125/00Coating 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
    • C09D125/02Homopolymers or copolymers of hydrocarbons
    • C09D125/04Homopolymers or copolymers of styrene
    • C09D125/08Copolymers of styrene
    • C09D125/14Copolymers of styrene with unsaturated esters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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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  • 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

A kind of building exterior wall heat preserving coating
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.
CN201711351650.0A 2017-12-15 2017-12-15 A kind of building exterior wall heat preserving coating Expired - Fee Related CN107868530B (en)

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Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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