CN1216109C - Water-repellent breathable nano coating for outer wall - Google Patents

Water-repellent breathable nano coating for outer wall Download PDF

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Publication number
CN1216109C
CN1216109C CN 01127384 CN01127384A CN1216109C CN 1216109 C CN1216109 C CN 1216109C CN 01127384 CN01127384 CN 01127384 CN 01127384 A CN01127384 A CN 01127384A CN 1216109 C CN1216109 C CN 1216109C
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China
Prior art keywords
parts
nano
product
obtains
water
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Expired - Fee Related
Application number
CN 01127384
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Chinese (zh)
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CN1485383A (en
Inventor
刘永屏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Yiqun New Type Coating Material Co ltd
Original Assignee
Qingdao Yiqun New Type Coating Material Co ltd
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Priority to CN 01127384 priority Critical patent/CN1216109C/en
Publication of CN1485383A publication Critical patent/CN1485383A/en
Application granted granted Critical
Publication of CN1216109C publication Critical patent/CN1216109C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The invention provides a nano exterior wall coating with strong water-repellent and air-permeable capacity and a preparation method thereof, wherein the nano exterior wall coating comprises, by mass, 10-25 parts of pure water, 2-4 parts of ethylene glycol, 8-10 parts of heavy calcium carbonate, 3-6 parts of aluminum silicate, 3-6 parts of talcum powder, 6-12 parts of wollastonite, 9-30 parts of acrylate emulsion, 5-20 parts of organic siloxane emulsion, 0.5-3 parts of composite nano material, a dispersing agent, an antifoaming agent, a film-forming aid, a thickening agent, a flatting agent and the like. The preparation method mainly overcomes the agglomeration of the nano material, enhances the dispersion effect and gives full play to the properties of the nano material, and the coating has the advantages of stronger water repellency and air permeability, capability of absorbing ultraviolet rays, high adhesive force, stain resistance and aging resistance and better comprehensive performance.

Description

Waterproof ventilating nano paint for external walls
Technical field
The present invention relates to a kind of building coating and preparation method thereof, particularly a kind of exterior wall nano paint and preparation method with hydrophobic permeable function.
Background technology
Traditional building coating because contain toxic substance or easily stain, easily go mouldy, adhesion strength and ageing resistance be relatively poor, incompatibility is in the world to requirement on environmental protection.In recent years, the coating material to superior performance has carried out extensive studies and exploration both at home and abroad, and wherein nano paint is an important research direction.China is owing to the theoretical investigation of nanotechnology is taken its place in the front ranks of the world, its applied research, comprise nano paint, many gratifying achievements have also been obtained, as Chinese patent CN1287144A, CN1287145A provide contain nano silicon-based oxide in, exterior coating and preparation method, Chinese patent CN1277234A provides a kind of oxygen debt silicon-base oxide has been inserted existing coating to improve the method for performance, but in general, the development of nano paint also is in initial stage, and performance index can't be satisfied the demand, with regard to exterior coating, the hydrophobic permeable ability is not high, and over-all properties is not good enough.Therefore, no matter be composition proportion or technology, all await further optimizing and improving.
Summary of the invention
The purpose of this invention is to provide a kind of exterior wall nano paint with strong hydrophobic permeable ability.
Another object of the present invention provides the method that a kind of preparation has the exterior wall nano paint of aforementioned capabilities.
The objective of the invention is to be achieved through the following technical solutions: a kind of exterior wall nano paint with hydrophobic permeable ability, its essentially consist comprises following composition, its mass component:
(1) pure water 10-25
(2) ethylene glycol 2-4
(3) wetting dispersing agent 0.6-2
(4) defoamer 0.1-0.3
(5) mould inhibitor 0.1-0.25
(6) titanium dioxide 12-25
(7) coarse whiting 8-10
(8) wollastonite 6-12
(9) talcum powder 3-6
(10) pure aluminium silicate 3-6
(11) film coalescence aid 0.5-1.5
(12) organo-siloxane emulsion 5-20
(13) acrylic ester emulsion 9-30
(14) composite nano materials 0.5-2.5
(15) thickening material 0.3-1
(16) flow agent 0.1-0.5
Another object of the present invention is achieved through the following technical solutions: a kind of preparation has the method for the nano paint of hydrophobic permeable ability, may further comprise the steps:
A. the pure water in the mentioned component, ethylene glycol, wetting dispersing agent, defoamer, mould inhibitor, titanium dioxide, coarse whiting, wollastonite, talcum powder, pure aluminium silicate are put into rotating speed and be in 1500-2000 rev/min the high speed dispersor, jitter time is 40-60 minute;
B. will grind by shredder through the product that steps A obtains, survey fineness;
C. the product that will obtain after will grinding adds stirrer, under 200-400 rev/min stirring velocity, slowly add film coalescence aid, organo-siloxane emulsion, acrylic ester emulsion, composite nano materials, thickening material, flow agent in the mentioned component, mix;
D. will sieve through the product that step C obtains, get product.
Said composite nano materials is nano silicon, nano titanium oxide and nano-calcium carbonate calcium compounds and coats the soup compound obtain at water through ultra-sonic dispersion and surface in the technique scheme, and the particle diameter of nano material is the 30-60 nanometer.
In the technique scheme, owing to contain composite nano materials in its component, it and rational filmogen are complementary, formed the concavo-convex alternate complementary interface structure of nano level, adsorbable gas molecule stable existence, being equivalent to the surface on the macroscopic view has the stable gas membrane of one deck, makes the You Heshui can't be in surface attachment, present extraordinary two thin property, and the moisture of matrix still can be by the microtexture volatilization of filming.The characteristics of lotus leaf are thought similarly in this performance and the plant, can regard the embodiment of bionics in building coating as.
Coating with hydrophobic permeable ability provided by the present invention has the following advantages: owing to have ultraviolet radiation absorption function and stronger hydrophobic permeable ability, thereby higher contamination resistance, stronger sticking power and ageing resistance are arranged, over-all properties is better, be the very superior new coating of a kind of ratio of performance to price, be specially adapted to Highrise buildings and environmental pollution serious area.
Embodiment
One embodiment of the present of invention are:
With 19.2 parts of (mass parts, water down together), 3 parts of ethylene glycol, 1.4 the wetting dispersing agent of part, 0.15 the defoamer of part, 0.2 the mould inhibitor of part, 20 parts of rutile titanium dioxides, 10 parts of coarse whitings, 8 parts of wollastonites, 4 parts of talcum powder, it is 2000 rev/mins high speed dispersor that 6 parts of pure aluminium silicate are put into rotating speed, jitter time is 40 minutes, then product is put into shredder, mesh-of-grind is 50 μ m, product after grinding is put into stirrer, under 300 rev/mins mixing speed, slowly add 12 parts of organo-siloxane emulsions, 9.5 part acrylic ester emulsion, 2.45 part composite nano materials colloid, 1 part of film coalescence aid, 0.15 part defoamer, 0.5 part thickening material and 0.2 part of flow agent, after mixing, cross 120 mesh sieves at last, promptly obtain finished product.
The composite nano materials that present embodiment uses is that nano silicon, nano titanium oxide and nano-calcium carbonate calcium compounds coat the soup compound that obtains at water through ultra-sonic dispersion and surface, and the particle diameter of nano material is the 30-60 nanometer.

Claims (2)

1, a kind of hydrophobic permeable exterior wall nano paint is characterized in that essentially consist comprises following composition, and its mass component is:
(1) pure water 10-25
(2) ethylene glycol 2-4
(3) wetting dispersing agent 0.6-2
(4) defoamer 0.1-0.3
(5) mould inhibitor 0.1-0.25
(6) titanium dioxide 12-25
(7) coarse whiting 8-10
(8) wollastonite 6-12
(9) talcum powder 3-6
(10) pure aluminium silicate 3-6
(11) film coalescence aid 0.5-1.5
(12) organo-siloxane emulsion 5-20
(13) acrylic ester emulsion 9-30
(14) composite nano materials 0.5-2.5
(15) thickening material 0.3-1
(16) flow agent 0.1-0.5
Composite nano materials recited above is that nano silicon, nano titanium oxide and nano-calcium carbonate calcium compounds coat the soup compound that obtains at water through ultra-sonic dispersion and surface, and the particle diameter of nano material is the 30-60 nanometer.
2, a kind of described method with nano paint of hydrophobic permeable ability of claim 1 for preparing is characterized in that may further comprise the steps;
It is that jitter time is 40-60 minute in 1500-2000 rev/min the high speed dispersor that A, the pure water with in the mentioned component, ethylene glycol, wetting dispersing agent, defoamer, mould inhibitor, titanium dioxide, coarse whiting, wollastonite, talcum powder, pure aluminium silicate are put rotating speed into;
B, will grind by shredder, survey fineness through the product that steps A obtains;
C, the product that obtains after will grinding add stirrer, under 200-400 rev/min stirring velocity, slowly add film coalescence aid, organo-siloxane emulsion, acrylic ester emulsion, composite nano materials, thickening material, flow agent in the mentioned component, mix;
D, will sieve, get product through the product that step C obtains.
CN 01127384 2001-09-04 2001-09-04 Water-repellent breathable nano coating for outer wall Expired - Fee Related CN1216109C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01127384 CN1216109C (en) 2001-09-04 2001-09-04 Water-repellent breathable nano coating for outer wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01127384 CN1216109C (en) 2001-09-04 2001-09-04 Water-repellent breathable nano coating for outer wall

Publications (2)

Publication Number Publication Date
CN1485383A CN1485383A (en) 2004-03-31
CN1216109C true CN1216109C (en) 2005-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01127384 Expired - Fee Related CN1216109C (en) 2001-09-04 2001-09-04 Water-repellent breathable nano coating for outer wall

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105482592A (en) * 2015-12-29 2016-04-13 浙江名匠实业股份有限公司 Water-based nano exterior wall coating with super weatherability and preparation method thereof
CN106752569A (en) * 2016-12-01 2017-05-31 姚均甫 A kind of exterior wall hydrophobic permeable adsorbs UV nano coating
CN107099208A (en) * 2017-07-07 2017-08-29 佛山领新信息科技有限公司 A kind of antifouling and easy cleaning interior wall coating and preparation method thereof
CN107459889A (en) * 2017-09-21 2017-12-12 罗洪梅 A kind of abrasion-resistance water can breathe building Nano waterproof paint and preparation method thereof
CN107573772B (en) * 2017-09-21 2020-06-19 佛山市顺德区业基建筑材料有限公司 Water-based antibacterial breathable building waterproof coating and preparation method thereof

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