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CN1226363C - Low-temperature resistant coating and preparing method thereof - Google Patents

Low-temperature resistant coating and preparing method thereof Download PDF

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Publication number
CN1226363C
CN1226363C CN 02116768 CN02116768A CN1226363C CN 1226363 C CN1226363 C CN 1226363C CN 02116768 CN02116768 CN 02116768 CN 02116768 A CN02116768 A CN 02116768A CN 1226363 C CN1226363 C CN 1226363C
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CN
China
Prior art keywords
temperature resistant
resistant coating
low
coating
emulsion
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Expired - Lifetime
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CN 02116768
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Chinese (zh)
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CN1456614A (en
Inventor
张海文
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.)
JILIN KELONG BUILDING ENERGY-SAVING TECHNOLOGY CO LTD
Original Assignee
KELONG DECORATIVE ENGINEERING Co Ltd JINLIN PROV
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Priority to CN 02116768 priority Critical patent/CN1226363C/en
Publication of CN1456614A publication Critical patent/CN1456614A/en
Application granted granted Critical
Publication of CN1226363C publication Critical patent/CN1226363C/en
Anticipated expiration legal-status Critical
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Abstract

The present invention provides low temperature resistant external wall coating which can bear 30 times of freeze-thaw cycles at the temperature of negative 40 DEG C and can not bubble, crack, powder and discolor. A major component of the coating comprises pure acrylic emulsion, automatic crosslinking elastic pure acrylic emulsion, nano zinc oxide gel, pigment, filler, disperser, multifunctional additive, a thickening agent, a mildew preventing agent, a defoaming agent and water. The present invention also provides priming coating which is matched with the low temperature resistant coating and is composed of epoxy resin and modified polyamide. The low temperature resistant coating of the present invention is prepared by the procedures of proportioning, mixture, milling, etc.

Description

Low-temperature resistant coating and preparation method thereof
Technical field
The present invention relates to a kind of coating, especially relate to low temperature resistant exterior coating.The invention still further relates to the preparation method of described coating, and the priming paint that is applicable to this coating.
Background technology
The coating that is used for the extremely frigid zones skin need possess low temperature resistant performance.According to standard GB/T9755-2001 regulation, low temperature resistant coating should be able to bear 10 times-20 ℃ freezing ,+20 ℃ of freeze-thaw cycle that immersion is melted.Yet above-mentioned general national standard also is not suitable for the extremely frigid zones of China, middle part and the north as northeast, therefore each department have been set up the region standard again, should be able to bear-30 ℃ freeze-thaw cycle 20 times such as the DB23/T445-1998 standard code exterior coating of Heilongjiang Province.Be applicable to not exclusively that also winter temperature reaches-40 ℃ high latitude area even meet the product of this region regulation, therefore build the boundary and expect that always lower temperature resistance can better exterior coating, such as the low-temperature resistant coating that can bear 30-40 ℃ of freeze-thaw cycle.
Summary of the invention
The object of the present invention is to provide the cryogenic coating of a kind of ability;
The priming paint that provides a kind of energy and above-mentioned low-temperature resistant coating to be used is provided another purpose of the present invention;
A further object of the present invention is to provide a kind of method for preparing low-temperature resistant coating of the present invention.
The consisting of of low-temperature resistant coating of the present invention (% weight):
Water 16-20%
Film coalescence aid 1.6-2.0%
Dispersion agent 0.3-1%
Ethylene glycol 1.5-1.8%
1200 purpose Calucium Silicate powder 4-5%
Titanium dioxide 12-15%
1200 purpose coarse whiting 3-5%
1200 purpose talcum powder 3-5%
Thickening material (1: 1 aqueous solution) 2-4%
Defoamer 0.02%
Pure acrylic acid emulsion 37-43%
Multifunctional assistant 0.1-0.3%
Mould inhibitor 0.1-0.3%
Self-crosslinking elastomeric propylene yogurt liquid 7-10%
Nano-class zinc oxide coagulant liquid 0.08%
Described film coalescence aid selects alcohol ester-12, and its effect is to be lowered into film temperature, improves film forming properties.
The poly carboxylic acid ammonium that described dispersion agent preferably adopts Henkel Corp. to produce, its effect is to impel pigment, fillers dispersed.Coarse whiting, talcum powder and ultra-fine calcium silicate powder are fillers, and its fineness is respectively 1200 orders, 1200 orders and 1200 orders.
VD-S modified polypropene acid sodium aqueous solution or SN-636 hydrophobically modified alkali swelling emulsion that described thickening material adopts Henkel Corp. to produce.
Described defoamer is the SN-154 defoamer of 681F or non-ionic type.
Described pure acrylic acid emulsion is selected from 371, AD261,820 type pure acrylic acid emulsions.
Described self-crosslinking elasticity pure acrylic acid emulsion is selected from 4104, AD36,163M, 2438 type ACRYLIC EMULSION, and it can improve the snappiness of dope layer.
Described multifunctional assistant is AMP-95, its role is to promote to disperse the pH value with regulation system.
Described mould inhibitor is HF, AD26, and its effect is a fungus and mildew resistance.
Low-temperature resistant coating of the present invention can not directly impose on the old metope, and must impose priming paint of the present invention earlier to reinforce and sealing basic unit on old metope, improves the viscosifying power of finish paint, just can use low-temperature resistant coating of the present invention then.The consisting of of described priming paint (% weight):
Resins, epoxy (618) 65-75%
Modified polyamide (WH-1000) 35-25%
When being coated with, will add the water dilution that 5-10 doubly contains 0.2-0.5% (weight) OP-10 then through above-mentioned component mixing in agitation vat of weighing earlier with this priming paint.The priming paint for preparing should use at once, requires to use up in 2 hours.Being coated with priming paint can roller coat low-temperature resistant coating of the present invention after 24 hours.
Low-temperature resistant coating of the present invention is preparation like this:
The aforementioned proportion of pressing low-temperature resistant coating composition of the present invention is with water, dispersion agent, ethylene glycol and film coalescence aid (liquid material) mix with 400-600 rev/min rotating speed, the titanium dioxide that adds 2/3 aforementioned proportion simultaneously, ultra-fine Calucium Silicate powder, coarse whiting and talcum powder (powder), after treating that above-mentioned powder is all moistening, mixing speed is carried to 1000-1100 rev/min, nano zine oxide coagulant liquid with aforementioned proportion drops in the above-mentioned mixed material again, and then with this material dispersed with stirring after 30-40 minute, mixing speed is reduced to 600 rev/mins and add the pure acrylic acid emulsion and the self-crosslinking elasticity pure acrylic acid emulsion of aforementioned proportion.After treating that above-mentioned material stirs, drip the thickening material of aforementioned proportion, after the material pH value is transferred to 8-9, add the multifunctional assistant of aforementioned proportion again, mould inhibitor and defoamer make the denseness of material reach 25-30 second, after this add remaining titanium dioxide.This material stirred and place after 40 minutes it is ground to fineness less than 40 μ m with three-roller.
The test plate (panel) that scribbles low-temperature resistant coating of the present invention is done-40 ℃, and after the atmospheric exposure test of 30 freezing and thawing tests and 500 hours, film coated surface is not seen foaming, cracking, efflorescence, is come off and metachromatism.
Further specify the present invention below by embodiment.
Embodiment 1
Get 286 parts of (weight, water, 12.6 parts of poly carboxylic acid ammoniums, 26.6 parts of ethylene glycol and 29 parts of alcohol esters-12 down together), stir and add 146 parts of titanium dioxides, 62 part of 1200 purpose coarse whiting, 60 part of 1200 purpose talcum powder and 62 part of 1200 ultra-fine calcium silicate powder of purpose (AS881) with 400-600 rev/min rotating speed, after adding above-mentioned powder agitator speed is brought up to 1000 rev/mins, drip 1.32 parts of nano zine oxide coagulant liquids.Disperse after 30-40 minute, agitator speed is reduced to 600 rev/mins, add (4104) 120 parts of 685 parts of pure acrylic acid emulsions (820) and self-crosslinking elasticity pure acrylic acid emulsions then, drip 44 parts of thickening materials (Henkel Corp. produce VD-S type modified polypropene acid sodium aqueous solution (1: 1)) and the pH value of above-mentioned compound is transferred to 8-9 add 3.7 parts of AMP-95 type multifunctional assistants, 0.2 part of HF mould inhibitor and 0.35 part of 681 type defoamer later on, the denseness that makes this compound is 25-30 second.Add 72 parts of titanium dioxides at last, compound is stirred, placed 40 minutes, it is ground to<fineness of 40 μ m with three-roller, the result obtains low-temperature resistant coating of the present invention, and it consists of (% weight):
Water 18.54%
Alcohol ester-12 1.8%
Poly carboxylic acid ammonium (5027 type) 0.82%
Ethylene glycol 1.7%
Ultra-fine Calucium Silicate powder (AS881 type, 1200 orders) 4%
Titanium dioxide (575 type) 14.1%
Coarse whiting (1200 order) 4.0%
Talcum powder (1200 order) 3.9%
VD-S modified polyacrylic acid sodium 2.8%
The aqueous solution (1: 1)
Pure acrylic acid emulsion (820) 44%
Nano zine oxide coagulant liquid 0.08%
Multifunctional assistant (AMP-95 type) 0.24%
Mould inhibitor (HF type) 0.2%
Self-crosslinking elastomeric propylene acid 7.8%
Emulsion (4104 type)
681F type defoamer 0.02%
The low-temperature resistant coating of gained is coated on the test plate (panel), presses the regulation of 5,14 among the DB23/T445-1998 this sample is done-40 ℃, 30 thawing circulations and atmospheric exposure test did not find on this plate that coating bubbles after 500 hours, and efflorescence is peeled off and metachromatism.
Put example 2 in fact
Again this diluted priming paint will be coated on the old metope of buildings after will meeting 7.1 times of the Resins, epoxy (618 type) of aforementioned priming paint proportion of composing and the dilutions of modified polyamide (WH-1000) mixed solution with 0.5% aqueous solution of OP-10.The low-temperature resistant coating that roller coat is made by the step of embodiment 1 on this prime coat after 24 hours.Be lower than winter of-40 ℃ through minimum temperature after, this coating is not seen and is peeled off and variable color.

Claims (2)

1, a kind of low-temperature resistant coating, it consists of (% weight):
Water 16-20%
Alcohol ester-12 1.6-2.0%
Poly carboxylic acid ammonium 0.3-1.0%
Ethylene glycol 1.5-1.8%
1200 order Calucium Silicate powder 4-5%
Titanium dioxide 12-15%
1200 order coarse whiting 3-5%
1200 order talcum powder 3-5%
VD-S modified polyacrylic acid sodium
The aqueous solution (Henkel Corp.'s product) or
SN-636 hydrophobically modified alkali swelling emulsion 2-4%
681F or non-ionic type SN-154 defoamer 0.02%
371 types, AD261 type or 820 types pure third
Olefin(e) acid emulsion 37-43%
4104, AD36,163M or 2438 types
Self-crosslinking elasticity pure acrylic acid emulsion 7-10%
Nano-class zinc oxide coagulant liquid 0.08%
HF or AD26 type mould inhibitor 0.1-0.3%
AMP-95 type multifunctional assistant 0.1-0.3%
2, the preparation method of the low-temperature resistant coating of claim 1, this method may further comprise the steps:
1) gets the raw materials ready by the described low-temperature resistant coating proportion of composing of claim 1;
2) described water, poly carboxylic acid amine, alcohol ester-12, ethylene glycol are mixed with 400-600 rev/min rotating speed, the titanium dioxide, Calucium Silicate powder, coarse whiting and the talcum powder that add 2/3 aforementioned proportion simultaneously, after treating that above-mentioned powder is all moistening, mixing speed is carried to 1000-1100 rev/min;
3) the nano zine oxide coagulant liquid with described ratio drips in above-mentioned mixed material, after 30-40 minute dispersion stirring velocity is reduced to 600 rev/mins, adds the pure acrylic acid emulsion and the self-crosslinking elasticity pure acrylic acid emulsion of described ratio simultaneously;
4) treat that the above-mentioned material back that stirs drips the VD-S modified polypropene acid sodium aqueous solution or the SN-636 hydrophobically modified alkali swelling emulsion thickener of described ratio, described material pH value is transferred to after the 8-9, add multifunctional assistant AMP-95, the mould inhibitor HF of described ratio or AD26 and 681 or the SN-154 defoamer of non-ionic type again; The denseness for the treatment of described material reaches 25-30 and adds remaining titanium dioxide during second;
5) described material is placed after 40 minutes the fineness that it is milled to less than 40 μ m.
CN 02116768 2002-05-09 2002-05-09 Low-temperature resistant coating and preparing method thereof Expired - Lifetime CN1226363C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02116768 CN1226363C (en) 2002-05-09 2002-05-09 Low-temperature resistant coating and preparing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02116768 CN1226363C (en) 2002-05-09 2002-05-09 Low-temperature resistant coating and preparing method thereof

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CN1226363C true CN1226363C (en) 2005-11-09

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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005061602A1 (en) * 2003-12-24 2005-07-07 Micronisers Pty Ltd Acrylic compositions comprising nanoparticulate zinc oxide uv absorber
CN100344716C (en) * 2004-08-18 2007-10-24 天津中油渤星工程科技股份有限公司 Elastic paint for exterior wall decoration and its manufacturing method
CN101016432B (en) * 2007-02-07 2012-08-22 江门市乔本化学工业有限公司 Energy-saving exterior wall paint and producing method thereof
CN102372970A (en) * 2010-08-23 2012-03-14 苏州美亚美建筑涂料有限公司 Heat resistant paint
CN103865346A (en) * 2014-03-04 2014-06-18 哈尔滨绿科科技有限公司 Pollution-free multifunctional external environment-friendly coating as well as preparation method and application of coating
CN104031492B (en) * 2014-05-07 2016-06-01 江苏科技大学 A kind of aqueous elastic exterior coating and its preparation method
CN104356808A (en) * 2014-10-30 2015-02-18 安徽港源家居工艺品有限公司 Bright hot water-resistant anti-corrosive paint for woven decorative lighting
CN104530778A (en) * 2014-12-16 2015-04-22 常熟市环境试验设备有限公司 Drying box
CN105400343A (en) * 2015-12-08 2016-03-16 黄涌芮 Low temperature resistant coating and preparation method thereof
CN107254228A (en) * 2017-06-30 2017-10-17 朱燕萍 A kind of low-temperature resistant coating and preparation method thereof
CN115710445B (en) * 2022-12-01 2023-10-13 泰安乐邦环保科技有限公司 Water-based low-temperature-resistant protective coating as well as preparation method and application thereof
CN117986979A (en) * 2024-02-22 2024-05-07 廊坊市泰锐通石油燃气管道工程有限公司 A low-temperature coating for the surface of a natural gas metal pipeline

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Publication number Publication date
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Owner name: JILIN KELONG BUILDING ENERGY SAVING SCIENCE AND TE

Free format text: FORMER NAME: JILIN KELONG DECORATION ENGINEERING CO., LTD.

CP03 Change of name, title or address

Address after: 130022, B, 9, Nanling business center, No. 4906 Yatai street, Nanguan District, Jilin, Changchun

Patentee after: Jilin Kelong Building Energy-saving Technology Co.,Ltd.

Address before: 132229 No. 1, Yanan Avenue, Changchun, Jilin

Patentee before: Kelong Decorative Engineering Co., Ltd., Jinlin Prov.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20051109