CN101928482B - Water-soluble low-temperature immobilized metal, glass baking varnish and preparation method thereof - Google Patents
Water-soluble low-temperature immobilized metal, glass baking varnish and preparation method thereof Download PDFInfo
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- CN101928482B CN101928482B CN 200910108128 CN200910108128A CN101928482B CN 101928482 B CN101928482 B CN 101928482B CN 200910108128 CN200910108128 CN 200910108128 CN 200910108128 A CN200910108128 A CN 200910108128A CN 101928482 B CN101928482 B CN 101928482B
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Abstract
The invention discloses a water-soluble low-temperature immobilized metal and glass baking varnish and a preparation method thereof, wherein the water-soluble low-temperature immobilized metal and glass baking varnish comprises low-polymerization degree acrylamide and vinyl alcohol, and contains common components as well. The preparation method comprises the following steps: uniformly mixing crylic acid resin, organic silicon resin, polyacrylamide, polyving akohol, polyester modified polydimethylsiloxane, a cosolvent with 50 percent deionized water; stirring for 5 minutes at low speed, heating to the temperature within 60+/-5 DEG C to react for 2 to 2.5 hours; adding additional 50 percent deionized water, color paste and a leveling agent; stirring at high speed, and mixing for 25 to 30 minutes; and finally dropwise adding the triethanolamine, and adjusting the PH to be between 7.0 and 8.0 to obtain the finished product baking varnish. By applying the baking varnish and the preparation, the baking varnish has low immobilization baking temperature of between 70 and 80 DEG C, and has the advantages of strong painting film adhering capacity, good damp heat resistance and salt spray resistance, good water solubility and no harmful gas generation in the using process.
Description
Technical field
The present invention relates to a kind of metal, glass baking varnish and preparation method thereof, particularly relate to a kind of water-soluble low-temperature immobilized metal, glass baking varnish and preparation method thereof.
Background technology
Existing metal, glass baking varnish product almost are organic solvent type entirely.In the composition, contain at high proportion inflammable, poisonous Chemical Composition, such as benzene, formaldehyde etc.In production, storing, use procedure, potential safety hazard is large, is unfavorable for producing, user of service's personnel safety and health, and diminishes atmospheric environment.The development water-soluble baking finish has been inexorable trend.In industrially developed country, such as the U.S., Japan, Europe, the water-soluble baking finish development is morning, and existing 80% organic solvent baking vanish has been replaced by water-soluble baking finish so far.China's water-soluble baking finish just just has been in the starting stage, is in the more of development, and the product, the quantity that drop into ripe commercial applications are all very little, less than 8% weight part of market baking vanish consumption.
A shortcoming of existing water-soluble metal, glass baking varnish is: curing baking vanish temperature is higher, need between 120 ℃～140 ℃, in addition higher.Consumes energy not only, many workpiece owing to worrying that the performance of annex is impaired, are not suitable for toasting on 100 ℃ fully.Therefore, very necessary development baking-curing temperature is at the water-soluble baking finish below 90 ℃, to adapt to the great demand in market.
Summary of the invention
Technical problem to be solved by this invention is: a kind of reduction baking-curing temperature is provided, can not produce the formaldehyde toxic gas, and nonflammable non-explosive, produce and store and transport safety, health, health, three anti-good water-soluble low-temperature immobilized metal, the glass baking varnish of property.
For solving above technical problem, product technology scheme of the present invention is: a kind of water-soluble low-temperature immobilized metal, glass baking varnish, and its key is: comprise low polymerization degree acrylamide, vinyl alcohol and common component: acrylate, silicone resin, polyether-modified polydimethylsiloxane, solubility promoter, flow agent, trolamine, mill base, deionized water;
Wherein, the component of described low polymerization degree acrylamide and vinyl alcohol and each component shared weight part in described whole water-soluble low-temperature immobilized metal, glass baking varnish is: polyacrylamide 4～6% weight parts, polyvinyl alcohol 4～6% weight parts;
Described common component and each component shared weight part in whole water-soluble low-temperature immobilized metal, glass baking varnish is: acrylate 10～20% weight parts, silicone resin 5～8% weight parts, polyether-modified polydimethylsiloxane 0.5～1.0% weight part, solubility promoter 5～8% weight parts, flow agent 0.2～0.3% weight part, trolamine 1.0～3.0% weight parts, mill base 8～10% weight parts, and all the other weight parts are deionized water;
The step for preparing described water-soluble low-temperature immobilized metal, glass baking varnish is:
A, polyacrylamide, polyvinyl alcohol and common component during described water-soluble low-temperature immobilized metal, glass baking varnish formed: acrylic resin, silicone resin, polyether-modified polydimethylsiloxane, solubility promoter, 50% deionized water mix, after the stirring at low speed 5 minutes, be heated to 60 ℃ ± 5 ℃, reacted 2～2.5 hours;
B, add other 50% deionized water, mill base and flow agent again, high-speed stirring was mixed 25～30 minutes;
C, drip trolamine at last, regulate pH value to 7.0～8.0, the baking vanish that gets product, the discharging packing gets final product.
As the improvement one of products scheme of the present invention, described solubility promoter be propyl carbinol, ethanol, alcohol ether any one.
Further improve as products scheme of the present invention, described flow agent be among BYK028, the BYK347 one or both.
As the improvement two of products scheme of the present invention, described flow agent be among BYK028, the BYK347 one or both.
As the improvement three of products scheme of the present invention, described water-soluble low-temperature immobilized metal, glass baking varnish are water-soluble baking finish, take deionized water as thinner.
With low polymerization degree acrylamide and vinyl alcohol organosilicon acrylic resin is carried out block modified, reduce the finished product resin crosslinks solidify the sick reaction of beginning of required initiating radical cause can, thereby reach the purpose that reduces the baking-curing temperature.With the sold resin of this kind after block modified, add required other each component after, by certain preparation technology, prepare a kind of water-soluble metal, glass baking varnish.This kind water-soluble baking finish can deionized water be thinner, in the use procedure, can not produce the formaldehyde toxic gas, and is nonflammable non-explosive, in production and the transporting procedures, and safety, health, health.The baking-curing temperature only needs 70～80 ℃, and storing time is looked the workpiece size, adjusts to get final product between 3～5 hours.Paint film is smooth smooth, strong adhesion, three anti-property (anti-damp and hot, anti-salt fog, mould proof) good.This baking vanish also can be used as casing for electric appliances insullac.
Add the block modified water-soluble organosilicon acrylic resin of vinyl alcohol as main film forming material take a kind of acid amides, form and process of preparing according to new formulation, but prepare a kind of metal, glass baking varnish with low temperature (70～80 ℃) baking-curing.
For solving above technical problem, corresponding method and technology scheme of the present invention is: the preparation method of a kind of water-soluble low-temperature immobilized metal, glass baking varnish, its key is: comprise the steps:
A, polyacrylamide, polyvinyl alcohol and common component during described water-soluble low-temperature immobilized metal, glass baking varnish formed: acrylic resin, silicone resin, polyether-modified polydimethylsiloxane, solubility promoter, 50% deionized water mix, after the stirring at low speed 5 minutes, be heated to 60 ℃ ± 5 ℃, reacted 2～2.5 hours;
B, add other 50% deionized water (weight part), mill base and flow agent again, high-speed stirring was mixed 25～30 minutes;
C, drip trolamine at last, regulate PH to 7.0～8.0, baking vanish gets product; Discharging, packing get final product;
Wherein, described water-soluble low-temperature immobilized metal, glass baking varnish comprise low polymerization degree acrylamide and vinyl alcohol and common component: acrylate, silicone resin, polyether-modified polydimethylsiloxane, solubility promoter, flow agent, trolamine, mill base, deionized water;
The component of described low polymerization degree acrylamide and vinyl alcohol and each component shared weight part in described whole water-soluble low-temperature immobilized metal, glass baking varnish is: polyacrylamide 4～6% weight parts, polyvinyl alcohol 4～6% weight parts;
Described common component and each component shared weight part in whole water-soluble low-temperature immobilized metal, glass baking varnish is: acrylate 10～20% weight parts, silicone resin 5～8% weight parts, polyether-modified polydimethylsiloxane 0.5～1.0% weight part, solubility promoter 5～8% weight parts, flow agent 0.2～0.3% weight part, trolamine 1.0～3.0% weight parts, mill base 8～10% weight parts, all the other weight parts are deionized water.
Useful technique effect of the present invention is: in water-soluble baking finish and insullac field, in currently available products and the technology, common composition such as acrylic resin, silicone resin, flow agent, siccative, defoamer, coupling agent, solubility promoter, deionized water etc. are used to.Among the present invention, through after the test of many times, found out and utilized following know-why:, make in amide group with ethylene linkage, the oh group block polymerization water inlet dissolubility organosilicon acrylic resin by adding low polymerization degree acrylamide and polyvinyl alcohol.Because it is water-soluble that polyacrylamide, polyvinyl alcohol itself have, therefore, under the initiating radical effect, can same acrylate, silicone resin generation copolyreaction.Block gather into ethylene linkage, amide group, oh group, all help to reduce resin crosslinks and solidify required initiating radical initial reaction and cause energy.Matrix resin and baking vanish that the ratio composition of finding out in test prepares can be realized baking-curings 70～80 ℃ of temperature, and look workpiece and vary in size set time, can be chosen between 3～5 hours to adjust.
The block copolymerization reaction formula that part may exist is as follows:
Embodiment
Embodiment 1: fill a prescription composed as follows:
1, acrylate 13.0kg
2, silicone resin 6.0kg
3, polyacrylamide 5.0kg
4, polyvinyl alcohol 5.0kg
5, polyether-modified polydimethylsiloxane 0.6kg
6, propyl carbinol 4.0kg
7、BYK028 0.3kg
8, white colorant 10kg
9, trolamine 1.0kg
10, deionized water 55.10kg
Preparation process: first with half of acrylic resin, silicone resin, polyacrylamide, polyvinyl alcohol, polyether-modified polydimethylsiloxane, propyl carbinol, deionized water total amount, but add in the reactor of heated and stirred, stirring at low speed 5 minutes makes it to mix; The heating that heats up makes the temperature of mixed solution rise to 60 ℃ ± 5 ℃ scopes, keeps stirring at low speed always, and insulation reaction 2.5 hours; Add again remaining deionized water total amount half, white colorant, BYK028, splash into trolamine, high-speed stirring was mixed 30 minutes, the baking vanish that gets product, its PH is about 7.50.
Embodiment 2:
Preparation process is with embodiment 1, and just material and the content of each component are as follows:
1, acrylate 15.0kg
2, silicone resin 8.0kg
3, polyacrylamide 4.0kg
4, polyvinyl alcohol 6.0kg
5, polyether-modified polydimethylsiloxane 1.0kg
6, ethanol 6.0kg
7、BYK347 0.25kg
8, yellow mill base 9.0kg
9, trolamine 2.0kg
10, deionized water 48.75kg
Embodiment 3:
Preparation process is with embodiment 1, and just material and the content of each component are as follows:
1, acrylate 2.0kg
2, silicone resin 5.0kg
3, polyacrylamide 4.0kg
4, polyvinyl alcohol 4.0kg
5, polyether-modified polydimethylsiloxane 0.8kg
6, glycerol dme 7.0kg
7、BYK028 0.15kg
8、BYK347 0.20kg
9, yellow mill base 8.0kg
10, trolamine 1.20kg
11, deionized water 49.65kg
The variation of each component mainly is the actual demand according to different metal, glassy product, and the variation of common component and corresponding adjustment, to obtaining best over-all properties.
Must be pointed out, some indefinitenesses that above-described embodiment is just made the present invention illustrate.But person of skill in the art will appreciate that, do not departing under aim of the present invention and the scope, can make modification to the present invention, replace and change, these modifications, replacement and change still belong to protection scope of the present invention.
Claims (6)
1. a water-soluble low-temperature immobilized metal, glass baking varnish is characterized in that: comprise low polymerization degree acrylamide, vinyl alcohol and common component: acrylate, silicone resin, polyether-modified polydimethylsiloxane, solubility promoter, flow agent, trolamine, mill base, deionized water;
Wherein, the component of described low polymerization degree acrylamide and vinyl alcohol and each component shared weight part in described whole water-soluble low-temperature immobilized metal, glass baking varnish is: polyacrylamide 4～6% weight parts, polyvinyl alcohol 4～6% weight parts;
Described common component and each component shared weight part in whole water-soluble low-temperature immobilized metal, glass baking varnish is: acrylate 10～20% weight parts, silicone resin 5～8% weight parts, polyether-modified polydimethylsiloxane 0.5～1.0% weight part, solubility promoter 5～8% weight parts, flow agent 0.2～0.3% weight part, trolamine 1.0～3.0% weight parts, mill base 8～10% weight parts, and all the other weight parts are deionized water;
The step for preparing described water-soluble low-temperature immobilized metal, glass baking varnish is:
A, polyacrylamide, polyvinyl alcohol and common component during described water-soluble low-temperature immobilized metal, glass baking varnish formed: acrylic resin, silicone resin, polyether-modified polydimethylsiloxane, solubility promoter, 50% deionized water mix, after the stirring at low speed 5 minutes, be heated to 60 ℃ ± 5 ℃, reacted 2～2.5 hours;
B, add other 50% deionized water, mill base and flow agent again, high-speed stirring was mixed 25～30 minutes;
C, drip trolamine at last, regulate pH value to 7.0～8.0, the baking vanish that gets product, the discharging packing gets final product.
2. water-soluble low-temperature immobilized metal according to claim 1, glass baking varnish is characterized in that: described solubility promoter be propyl carbinol, ethanol, alcohol ether any one.
3. water-soluble low-temperature immobilized metal according to claim 2, glass baking varnish is characterized in that: described flow agent be among BYK028, the BYK347 one or both.
4. water-soluble low-temperature immobilized metal according to claim 1, glass baking varnish is characterized in that: described flow agent be among BYK028, the BYK347 one or both.
5. according to claim 1 any one described water-soluble low-temperature immobilized metal, glass baking varnish in 4, it is characterized in that: described water-soluble low-temperature immobilized metal, glass baking varnish are water-soluble baking finish, take deionized water as thinner.
6. the preparation method of a water-soluble low-temperature immobilized metal, glass baking varnish is characterized in that: comprise the steps:
A, polyacrylamide, polyvinyl alcohol and common component during described water-soluble low-temperature immobilized metal, glass baking varnish formed: acrylic resin, silicone resin, polyether-modified polydimethylsiloxane, solubility promoter, 50% deionized water mix, after the stirring at low speed 5 minutes, be heated to 60 ℃ ± 5 ℃, reacted 2～2.5 hours;
B, add other 50% deionized water, mill base and flow agent again, high-speed stirring was mixed 25～30 minutes;
C, drip trolamine at last, regulate pH value to 7.0～8.0, the baking vanish that gets product, the discharging packing gets final product;
Wherein, described water-soluble low-temperature immobilized metal, glass baking varnish comprise low polymerization degree acrylamide and vinyl alcohol, and common component: acrylate, silicone resin, polyether-modified polydimethylsiloxane, solubility promoter, flow agent, trolamine, mill base, deionized water;
The component of described low polymerization degree acrylamide and vinyl alcohol and each component shared weight part in described whole water-soluble low-temperature immobilized metal, glass baking varnish is: polyacrylamide 4～6% weight parts, polyvinyl alcohol 4～6% weight parts;
Described common component and each component shared weight part in whole water-soluble low-temperature immobilized metal, glass baking varnish is: acrylate 10～20% weight parts, silicone resin 5～8% weight parts, polyether-modified polydimethylsiloxane 0.5～1.0% weight part, solubility promoter 5～8% weight parts, flow agent 0.2～0.3% weight part, trolamine 1.0～3.0% weight parts, mill base 8～10% weight parts, all the other weight parts are deionized water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910108128 CN101928482B (en) | 2009-06-26 | 2009-06-26 | Water-soluble low-temperature immobilized metal, glass baking varnish and preparation method thereof |
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| CN 200910108128 CN101928482B (en) | 2009-06-26 | 2009-06-26 | Water-soluble low-temperature immobilized metal, glass baking varnish and preparation method thereof |
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| CN101928482A CN101928482A (en) | 2010-12-29 |
| CN101928482B true CN101928482B (en) | 2013-09-18 |
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| CN103254670B (en) * | 2013-04-03 | 2016-05-11 | 沭阳凤凰美术颜料有限公司 | A kind of glass-painting pigment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86101069A (en) * | 1986-02-09 | 1987-09-16 | 河北化工学院 | Baking putty cross-linked latex type |
| CN1468920A (en) * | 2002-07-18 | 2004-01-21 | 上海佳加室内装潢工程有限公司 | Prepn of antifouling aquatic chlorosulfonated polyethylene paint |
| CN101033365A (en) * | 2006-03-09 | 2007-09-12 | 上海威肯化学品有限公司 | Water-based baking varnish |
| CN101591542A (en) * | 2008-05-29 | 2009-12-02 | 北京科净源科技股份有限公司 | Multifunctional compound surface environment remediation agent and preparation method thereof |
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2009
- 2009-06-26 CN CN 200910108128 patent/CN101928482B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86101069A (en) * | 1986-02-09 | 1987-09-16 | 河北化工学院 | Baking putty cross-linked latex type |
| CN1468920A (en) * | 2002-07-18 | 2004-01-21 | 上海佳加室内装潢工程有限公司 | Prepn of antifouling aquatic chlorosulfonated polyethylene paint |
| CN101033365A (en) * | 2006-03-09 | 2007-09-12 | 上海威肯化学品有限公司 | Water-based baking varnish |
| CN101591542A (en) * | 2008-05-29 | 2009-12-02 | 北京科净源科技股份有限公司 | Multifunctional compound surface environment remediation agent and preparation method thereof |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhou Houyu Inventor after: Yu Zhanglian Inventor after: Wang Subo Inventor after: Qiu Caihong Inventor before: Liang Shuhua Inventor before: Yu Zhanglian Inventor before: Zhou Houyu Inventor before: Qiu Caihong Inventor before: Wang Subo |
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Free format text: CORRECT: INVENTOR; FROM: LIANG SHUHUA YU ZHANGLIAN ZHOU HOUYU QIU CAIHONG WANG SUBO TO: ZHOU HOUYU YU ZHANGLIAN WANG SUBO QIU CAIHONG |
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