CN104327768A - Water-based acrylic sealant for automobiles and preparation method thereof - Google Patents
Water-based acrylic sealant for automobiles and preparation method thereof Download PDFInfo
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- CN104327768A CN104327768A CN201410684697.9A CN201410684697A CN104327768A CN 104327768 A CN104327768 A CN 104327768A CN 201410684697 A CN201410684697 A CN 201410684697A CN 104327768 A CN104327768 A CN 104327768A
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- defoamer
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Abstract
The invention discloses a water-based acrylic sealant for automobiles and a preparation method thereof. The sealant comprises a water-based acrylic acid emulsion, a filler, a dispersing agent, a thickener, a high-efficiency thixotropic agent, a bactericide and a defoamer. The method comprises the following steps: dispersing the water-based acrylic acid emulsion, filler and dispersing agent in a high-speed dispersion machine at the rate of 1200 rpm for 20-30 minutes; adding the thickener, and dispersing at the rate of 1000 rpm for 1-1.5 hours; and finally, adding the high-efficiency thixotropic agent, bactericide and defoamer, and dispersing at the rate of 1000 rpm for 20 minutes to obtain the uniformly dispersed water-based acrylic sealant for automobiles. The sealant has the advantages of favorable stopping property, favorable squeezing constructability, favorable weather resistance, favorable wear resistance, favorable storage stability and the like, has excellent sealability after being cured, can keep permanent sealing of the automobile body, has ultralow VOC (volatile organic compound) discharge amount especially in the coating curing process, and thus, is green and environment-friendly.
Description
Technical field
The present invention relates to a kind of Automobile sealant, particularly one automobile water-based property acrylic sealant and preparation method thereof, can be applicable to the adhering and sealing of automobile industry.
Background technology
Seal gum is a kind of indefinite form material that maybe can squeeze of flowing, can pointing closure seam, can rely on drying, temperature variation, solvent evaporates, chemically crosslinked and base material stable adhesion, and shape gradually become that plasticity is solid-state, viscoelastic state or elaxtic seal.When seal gum is applied to automobile making, the sealing of whole car body can be kept, isolated extraneous moisture, dust and smog.
Along with the development of auto manufacturing technology, the performance of automobile sealant is also in continuous improve.Not only want adhesiveproperties good, coating hardness is large, and wear resistance is strong, and weather, and not efflorescence, be full of cracks, have enough life-spans.Meanwhile, ultralow in coating drying process VOC quantity discharged is also the important performance indexes of automobile sealant.Present widely used solvent-borne type seal gum, smell weight, VOC quantity discharged is large, can not meet environmental requirement completely.
Summary of the invention
In view of the situation of prior art, automobile water-based property acrylic sealant that the invention provides a kind of environmental protection and preparation method thereof.
The present invention for achieving the above object, the technical scheme adopted is: a kind of automobile water-based property acrylic sealant, is characterized in that: its composition forms by following weight percent: aqueous acrylic emulsion is 35%-50%, filler is 40%-50%, dispersion agent is 0.5%-2%, thickening material is 2%-10%, efficient thixotropic agent is 0.5%-2%, sterilant is 0.5%-2%, defoamer is 0.5%-2%.
A preparation method for automobile water-based property acrylic sealant, is characterized in that: take aqueous acrylic emulsion, filler, dispersion agent, thickening material, efficient thixotropic agent, sterilant, defoamer by weight percentage; First aqueous acrylic emulsion, filler, dispersion agent are disperseed 20-30 minute with the revolution of 1200 revs/min on high speed dispersor; After adding thickening material again, with the revolution of 1000 revs/min dispersion 1-1.5 hour on high speed dispersor; Finally add efficient thixotropic agent, sterilant, defoamer, high speed dispersor disperses within 20 minutes, namely to obtain finely dispersed automobile water-based property acrylic sealant with the revolution of 1000 revs/min.
Compared with prior art, the present invention has following useful technique effect: automobile water-based property acrylic sealant has good pointing, squeezing application property, weathering resistance, wear resistance and package stability etc., after solidification, stopping property is excellent, can keep the permanent sealing of body of a motor car, particularly in coating curing process, there is ultralow VOC quantity discharged, environmental protection.Automobile water-based property acrylic sealant has the advantages such as low toxicity, tasteless, pollution-free and excellent durability, is particularly useful for needing a large amount of joint filling sealing, automobile industry that volatile organic compounds quantity discharged is lower.
Embodiment
Below in conjunction with example, the invention will be further described, and be explanation of the invention instead of restriction.
A kind of automobile water-based property acrylic sealant, its composition forms by following weight percent: aqueous acrylic emulsion is 35%-50%, filler is 40%-50%, dispersion agent is 0.5%-2%, thickening material is 2%-10%, efficient thixotropic agent is 0.5%-2%, sterilant is 0.5%-2%, defoamer is 0.5%-2%.
The solid content of aqueous acrylic emulsion is 45%-60%.
Filler is one or more of talcum powder or water-ground limestone or glass fiber powder or titanium dioxide or organobentonite or aerosil.
Dispersion agent is titanate coupling agent type dispersion agent, as Multi-functional dispersion anti-settling agent YB-401 or dispersing agent C P-131.
Thickening material is one or both of Natvosol or carboxymethyl cellulose.
Efficient thixotropic agent is YB-405.
Sterilant is isothiazolinone derivatives, as HTK-30 sterilant or Kathon LXE sterilant.
Defoamer is silicone based defoamer, as S4800 defoamer or Kanon CN-102 defoamer.
Embodiment 1: aqueous ACRYLIC EMULSION 44%, talcum powder 20%, water-ground limestone 20%, organobentonite 8%, Natvosol 5%, YB-401 Multi-functional dispersion anti-settling agent 1.5%, S4800 defoamer 1%, Kathon LXE sterilant 0.5%.
Aqueous acrylic emulsion, talcum powder, water-ground limestone, organobentonite and YB-401 Multi-functional dispersion anti-settling agent are disperseed 20 minutes with the revolution of 1200 revs/min on high speed dispersor.On high speed dispersor, 1 hour is disperseed with the revolution of 1000 revs/min after adding Natvosol again, finally add S4800 defoamer and Kathon LXE sterilant, after high speed dispersor disperses 20 minutes with the revolution of 1000 revs/min, obtain automobile water-based property acrylic sealant.
Embodiment 2: aqueous ACRYLIC EMULSION 35%, talcum powder 20%, water-ground limestone 23%, aerosil 5%, titanium dioxide 2%, Natvosol 10%, YB-401 Multi-functional dispersion anti-settling agent 2%, S4800 defoamer 1%, Kathon LXE sterilant 2%.
Aqueous acrylic emulsion, talcum powder, water-ground limestone, aerosil, titanium dioxide and YB-401 Multi-functional dispersion anti-settling agent are disperseed 30 minutes with 1200 revs/min of revolutions on high speed dispersor.On high speed dispersor, 1 hour is disperseed with the revolution of 1000 revs/min after adding Natvosol again, finally add S4800 defoamer and Kathon LXE sterilant, after high speed dispersor disperses 20 minutes with the revolution of 1000 revs/min, obtain automobile water-based property acrylic sealant.
Embodiment 3: aqueous ACRYLIC EMULSION 45%, talcum powder 30%, glass fiber powder 15%, Natvosol 5%, YB-401 Multi-functional dispersion anti-settling agent 1.5%, the efficient thixotropic agent 2% of YB-405, S4800 defoamer 1%, HTK-30 sterilant 0.5%.
Aqueous acrylic emulsion, talcum powder, glass fiber powder and YB-401 Multi-functional dispersion anti-settling agent are disperseed 30 minutes with the revolution of 1200 revs/min on high speed dispersor.On high speed dispersor, 1 hour is disperseed with the revolution of 1000 revs/min after adding Natvosol again, finally add the efficient thixotropic agent of YB-405, S4800 defoamer and HTK-30 sterilant, after high speed dispersor disperses 20 minutes with the revolution of 1000 revs/min, obtain automobile water-based property acrylic sealant.
Embodiment 4: aqueous ACRYLIC EMULSION 40%, talcum powder 23%, water-ground limestone 18%, organobentonite 6%, titanium dioxide 3%, carboxymethyl cellulose 6%, CP-131 dispersion agent 2%, Kanon CN-102 defoamer 1%, Kathon LXE sterilant 1%.
By aqueous acrylic emulsion, talcum powder, water-ground limestone, organobentonite, titanium dioxide and CP-131 dispersion agent, high speed dispersor disperses 30 minutes with the revolution of 1200 revs/min.On high speed dispersor, 1.5 hours are disperseed with the revolution of 1000 revs/min after adding carboxymethyl cellulose again, finally add Kanon CN-102 defoamer and Kathon LXE sterilant, after high speed dispersor disperses 20 points with the revolution of 1000 revs/min, obtain automobile water-based property acrylic sealant.
Embodiment 5: the efficient thixotropic agent 2% of aqueous ACRYLIC EMULSION 50%, glass fiber powder 10%, water-ground limestone 30%, carboxymethyl cellulose 5%, CP-131 dispersion agent 1.5%, YB-405, Kanon CN-102 defoamer 1%, Kathon LXE sterilant 0.5%.
Aqueous acrylic emulsion, glass fiber powder, water-ground limestone and CP-131 dispersion agent are disperseed 30 minutes with the revolution of 1200 revs/min on high speed dispersor.On high speed dispersor, 1.5 hours are disperseed with the revolution of 1000 revs/min after adding carboxymethyl cellulose again, finally add the efficient thixotropic agent of YB-405, Kanon CN-102 defoamer and Kathon LXE sterilant, after high speed dispersor disperses 20 points with the revolution of 1000 revs/min, obtain automobile water-based property acrylic sealant.
Claims (9)
1. an automobile water-based property acrylic sealant, is characterized in that: its composition forms by following weight percent: aqueous acrylic emulsion is 35%-50%, filler is 40%-50%, dispersion agent is 0.5%-2%, thickening material is 2%-10%, efficient thixotropic agent is 0.5%-2%, sterilant is 0.5%-2%, defoamer is 0.5%-2%.
2. one according to claim 1 automobile water-based property acrylic sealant, is characterized in that: the solid content of described aqueous acrylic emulsion is 45%-60%.
3. one according to claim 1 automobile water-based property acrylic sealant, is characterized in that: described filler is one or more of talcum powder or water-ground limestone or glass fiber powder or titanium dioxide or organobentonite or aerosil.
4. one according to claim 1 automobile water-based property acrylic sealant, is characterized in that: described dispersion agent is titanate coupling agent type dispersion agent, as Multi-functional dispersion anti-settling agent YB-401 or dispersing agent C P-131.
5. one according to claim 1 automobile water-based property acrylic sealant, is characterized in that: described thickening material is one or both of Natvosol or carboxymethyl cellulose.
6. one according to claim 1 automobile water-based property acrylic sealant, is characterized in that: described efficient thixotropic agent is YB-405.
7. one according to claim 1 automobile water-based property acrylic sealant, is characterized in that: described sterilant is isothiazolinone derivatives, as HTK-30 sterilant or Kathon LXE sterilant.
8. one according to claim 1 automobile water-based property acrylic sealant, is characterized in that: described defoamer is silicone based defoamer, as S4800 defoamer or Kanon CN-102 defoamer.
9. a preparation method for automobile water-based property acrylic sealant, is characterized in that: take aqueous acrylic emulsion, filler, dispersion agent, thickening material, efficient thixotropic agent, sterilant, defoamer by weight percentage; First aqueous acrylic emulsion, filler, dispersion agent are disperseed 20-30 minute with the revolution of 1200 revs/min on high speed dispersor; After adding thickening material again, with the revolution of 1000 revs/min dispersion 1-1.5 hour on high speed dispersor; Finally add efficient thixotropic agent, sterilant, defoamer, high speed dispersor disperses within 20 minutes, namely to obtain finely dispersed automobile water-based property acrylic sealant with the revolution of 1000 revs/min.
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| CN201410684697.9A CN104327768A (en) | 2014-11-25 | 2014-11-25 | Water-based acrylic sealant for automobiles and preparation method thereof |
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| CN201410684697.9A CN104327768A (en) | 2014-11-25 | 2014-11-25 | Water-based acrylic sealant for automobiles and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479405A (en) * | 2016-10-28 | 2017-03-08 | 天长市永泰密封材料有限公司 | A kind of anticorrosive wear-resistant container aqueous sealant and preparation method thereof |
| CN106520028A (en) * | 2016-10-28 | 2017-03-22 | 天长市永泰密封材料有限公司 | Container water-based sealant capable of retarding inflaming and suppressing smoke and preparation method thereof |
| CN106543928A (en) * | 2016-10-28 | 2017-03-29 | 天长市永泰密封材料有限公司 | A kind of low temperature resistant cracking resistance container aqueous sealant and preparation method thereof |
| CN106554733A (en) * | 2016-10-28 | 2017-04-05 | 天长市永泰密封材料有限公司 | Ageing-resistant container aqueous sealant of a kind of uvioresistant and preparation method thereof |
| CN106554734A (en) * | 2016-10-28 | 2017-04-05 | 天长市永泰密封材料有限公司 | A kind of deodorant and smell removing container aqueous sealant and preparation method thereof |
| CN106566443A (en) * | 2016-10-28 | 2017-04-19 | 天长市永泰密封材料有限公司 | Mouldproof and mothproof container waterborne sealant and preparing method thereof |
| CN106566442A (en) * | 2016-10-28 | 2017-04-19 | 天长市永泰密封材料有限公司 | Dustproof stain-resistant container water-based sealant and preparation method thereof |
| CN107286874A (en) * | 2017-08-01 | 2017-10-24 | 上海新泊地化工技术服务有限公司 | A kind of Novel environmental-friendglue glue and preparation method thereof |
| CN109517540A (en) * | 2018-11-16 | 2019-03-26 | 上海瀚氏科技集团有限公司 | Environmentally friendly vehicle article shading curtain and its production technology |
| CN109628024A (en) * | 2018-11-21 | 2019-04-16 | 天长市永泰密封材料有限公司 | A kind of potent wear-resisting sealant and preparation method thereof |
| CN110093124A (en) * | 2019-06-04 | 2019-08-06 | 温州包鹿新材料有限公司 | A kind of vehicle environment protection acrylic sealant and preparation method thereof |
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| CN1259556A (en) * | 1998-10-29 | 2000-07-12 | 盛泉 | Synthetic sealant |
| CN101397488A (en) * | 2008-11-11 | 2009-04-01 | 中国核动力研究设计院 | Fireproof elastic sealant and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479405A (en) * | 2016-10-28 | 2017-03-08 | 天长市永泰密封材料有限公司 | A kind of anticorrosive wear-resistant container aqueous sealant and preparation method thereof |
| CN106520028A (en) * | 2016-10-28 | 2017-03-22 | 天长市永泰密封材料有限公司 | Container water-based sealant capable of retarding inflaming and suppressing smoke and preparation method thereof |
| CN106543928A (en) * | 2016-10-28 | 2017-03-29 | 天长市永泰密封材料有限公司 | A kind of low temperature resistant cracking resistance container aqueous sealant and preparation method thereof |
| CN106554733A (en) * | 2016-10-28 | 2017-04-05 | 天长市永泰密封材料有限公司 | Ageing-resistant container aqueous sealant of a kind of uvioresistant and preparation method thereof |
| CN106554734A (en) * | 2016-10-28 | 2017-04-05 | 天长市永泰密封材料有限公司 | A kind of deodorant and smell removing container aqueous sealant and preparation method thereof |
| CN106566443A (en) * | 2016-10-28 | 2017-04-19 | 天长市永泰密封材料有限公司 | Mouldproof and mothproof container waterborne sealant and preparing method thereof |
| CN106566442A (en) * | 2016-10-28 | 2017-04-19 | 天长市永泰密封材料有限公司 | Dustproof stain-resistant container water-based sealant and preparation method thereof |
| CN107286874A (en) * | 2017-08-01 | 2017-10-24 | 上海新泊地化工技术服务有限公司 | A kind of Novel environmental-friendglue glue and preparation method thereof |
| CN109517540A (en) * | 2018-11-16 | 2019-03-26 | 上海瀚氏科技集团有限公司 | Environmentally friendly vehicle article shading curtain and its production technology |
| CN109628024A (en) * | 2018-11-21 | 2019-04-16 | 天长市永泰密封材料有限公司 | A kind of potent wear-resisting sealant and preparation method thereof |
| CN110093124A (en) * | 2019-06-04 | 2019-08-06 | 温州包鹿新材料有限公司 | A kind of vehicle environment protection acrylic sealant and preparation method thereof |
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Application publication date: 20150204 |