CN102925082A - Adhesive and preparation method thereof - Google Patents
Adhesive and preparation method thereof Download PDFInfo
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- CN102925082A CN102925082A CN2012105127014A CN201210512701A CN102925082A CN 102925082 A CN102925082 A CN 102925082A CN 2012105127014 A CN2012105127014 A CN 2012105127014A CN 201210512701 A CN201210512701 A CN 201210512701A CN 102925082 A CN102925082 A CN 102925082A
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Abstract
The invention discloses an adhesive and a preparation method thereof, belonging to the technical field of water-borne adhesives. The adhesive comprises polymer emulsion, filler, strength reinforcing agent, anti-aging agent, bactericide, coupling agent, water and the like. The adhesive disclosed by the invention has the characteristics of high temperature resistance, high heat conductivity, high bonding strength, strong crack resistance, strong corrosion resistance, impact resistance and the like, can effectively solve the problems of frequent loosening, cracking and the like in the using process of the adhesive including a lamp, and completely meets the environmental protection requirements for living and production.
Description
Technical field
The present invention relates to a kind of tackiness agent that belongs to the aqueous-based adhesive technical field and preparation method thereof, in particular to a kind of high purity carbon fiberreinforced tackiness agent and preparation method thereof, this tackiness agent mainly is applicable to bonding between lamp glass ball bubble and the lamp cap plastic parts.
Background technology
Along with the develop rapidly of human society and science and technology, environment protection and energy-conservationly more and more be subject to people and pay attention to, electricity-saving lamp promote the use of a vital measure that becomes in the economize on electricity field.At present, annual nearly 10,000,000,000 of the electricity-saving lamp of producing in the world, the main place of production is in China.What be used for that the glass ball bulb of protective energy conservation lamp fluorescent tube is connected with asking of lamp cap plastic parts mainly glueds joint by tackiness agent (calling the bubble chewing-gum in the following text).In recent years, the bubble chewing-gum that each electricity-saving lamp manufacturer of China adopts is main: the filled type tackiness agent of heat-reactive phenolic resin is arranged, the filled type tackiness agent of single, double component thermosetting epoxy resin, single, double component polyurethane glue and single, double component silicone cross-linked rubber stick etc., the manufacturing process that has environmental pollution, has that these glue have is complicated, cost is high, nearly all exist produce and use procedure in be prone to the problem of the aspects such as glass ball bulb explosion, can not satisfy national quality to environmental protection, safety, electricity-saving lamp and work-ing life the aspect requirement.
In order to overcome the deficiency of above-mentioned tackiness agent, people begin to use polyvinyl acetate (PVA) (PVAc) emulsion, are commonly called as the filmogen that white glue with vinyl is used as steeping chewing-gum.Because white glue with vinyl is thermoplastic polymer nontoxic, odorless, have good bonding, fast light, be difficult for the performances such as aging, be the important base material of water base composite adhesive, be considered to a kind of environmental type tackiness agent.At present, part electricity-saving lamp manufacturing enterprise is using the adhesive for energy-saving lamp of white glue with vinyl base material.
But because Vinyl Acetate Monomer self, and the factor of emulsion polymerization technique, so that white glue with vinyl comes with some shortcomings.Such as, this polymer emulsion water tolerance and wet fastness are relatively poor, share equally in wet environment and come unglued; Poor heat resistance, the glue-line after the curing has thermoplasticity, and softening temperature is low, only has 45-90 ℃, and creep just appears in the glue-line after the curing more than softening temperature, bonding strength is sharply descended; Freeze-thaw resistance is poor, will freeze below 0 ℃, produces demulsifying phenomenon.In addition, when white glue with vinyl and filler, pigment and auxiliary agent grind make the bubble chewing-gum after, rate of drying is slower, drying temperature is higher, simultaneously in the drying process with a large amount of bubbles, the tackiness agent after causing solidifying is inner to be existed than concrete dynamic modulus, has reduced bonding strength.
For this reason, be badly in need of at present the environment-friendly type energy-saving bulb chewing-gum that the new generation cost is low, do not occur the explosion of glass sphere bubble mouth in production and use procedure.
Comprehensive above-mentioned Patent data, and in conjunction with the performance of letex polymerization, water baseization of adhesive for energy-saving lamp is the trend of future development, solving the environmental protection of tackiness agent, high temperature resistant, heat conduction, high strength, splitting resistance, the problem such as corrosion-resistant, is the theme that must pay close attention in the present lamp part tackiness agent research and development.
Summary of the invention
Defective for existing in the prior art the invention provides a kind of tackiness agent and preparation method thereof, is intended to solve present lamp with tackiness agent non-refractory, poor heat conductivity, the problems such as cohesive strength is low, resistance to cleavage is poor, corrosion-resistant, to improve the quality of lamp product.
The present invention adopts following scheme for achieving the above object:
A kind of tackiness agent is provided, its component comprises in mass ratio: the solid content that is mixed by polyvinyl acetate emulsion, benzene-acrylic emulsion, urethane (PU) emulsion is 100 parts of 28-60% polymer emulsions, filler 100-500 part, carbon fiber powder 0.1-3 part, anti-aging agent 0.05-3 part, sterilant 0.1-5 part, coupling agent 0.5-5 part, water 20-100 part.
According to improvement of the present invention, further, comprise in mass ratio 100 parts of polyvinyl acetate emulsions in the described polymer emulsion, benzene-acrylic emulsion 20-80 part, urethane (PU) emulsion 10-30 part, wherein the solid content of polyvinyl acetate emulsion is 55%, the solid content of benzene-acrylic emulsion is 45%, the solid content of urethane (PU) emulsion is 45%, described carbon fiber powder, and the coupling agent through commodity KH560 by name before adding use carries out surface modification treatment.
Further, described filler is one or more mixtures in titanium dioxide, talcum powder, ground barium sulfate, silica powder, aluminum oxide powder, light calcium carbonate powder and the dicalcium powder.
Further, described sterilant is one or more mixtures in Sodium Benzoate, sodium pentachlorophenate and the CMIT.
Further, described anti-aging agent employing antioxidant MB is 2-mercaptobenzimidazole.
Further, described coupling agent is γ-aminopropyl triethoxysilane.
It is as follows that the preparation method of described tackiness agent comprises step:
1) to slowly adding the polymer emulsion for preparing in the mixing tank of electric stirring, starts the agitator stirring and made it even in 60 minutes;
2) starting in the situation of agitator, slowly adding successively in proportion filler, carbon fiber powder, anti-aging agent, sterilant, coupling agent, continue to stir 1 hour, making the material paste thick liquid that is white in color;
3) starting in the situation of agitator, according to the different water that add different amounts of purposes, the size by regulating pondage control adhesive viscosities stirs, and finishes preparation process and packs.
Beneficial effect of the present invention is:
1. because carbon fiber has the characteristic of general carbon materials, such as high temperature resistant, rub resistance, conduction, heat conduction and corrosion-resistant etc., but different from general carbon materials is, its profile has significant anisotropy, softness, workability strong, show very high intensity along the fibre axis direction, carbon fiber proportion is little, and therefore very high specific tenacity is arranged.Adhesive application carbon fiber powder of the present invention strengthens, and gives that tackiness agent is high temperature resistant, thermal conductivity good, high bond strength, splitting resistance is strong, erosion resistance is strong, the characteristic such as shock-resistant, is more applicable for the bonding between the lamp part; Make tackiness agent in its curing and use procedure, can not cause the cracked of glass ball bubble processed, improved the cracking resistance standard of lamp.
2. the polymer emulsion of this tackiness agent take water as dispersion medium is matrix material, only has a small amount of moisture to disengage in its curing and the use procedure, do not have hazardous and noxious substances to discharge, and can not work the mischief to environment or human body, has higher environmental-protecting performance.
3. because the polymer emulsion that tackiness agent adopts has good thermotolerance and molecular chain has intrinsic toughening mechanism, avoided the impact of additional plasticizer on product performance.
4. this tackiness agent compatibility is simple, consumption is few, cost is moderate, and bond strength is high, rate of drying is fast, and temperature tolerance is good.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention:
Embodiment 1
In the 100kg benzene-mixing tank of acrylic emulsion adding with electric stirring, starting in the situation of agitator, slowly add successively titanium dioxide 50kg; 400 order ground barium sulfate 100kg; 400 order aluminum oxide powder 80kg; 800 order white carbon black 120kg; Modified carbon fiber powder 0.5kg; Anti-aging agent 0.1kg; Sterilant 0.1kg; Coupling agent γ-aminopropyl triethoxysilane 0.2kg.Add rear continuation and stirred 1 hour, the material paste thick liquid that is white in color.According to the bonding device characteristics with glue, the viscosity (using rotary viscosity design determining) by regulating pondage control tackiness agent reaches 0.5-3Pas and can stop to stir discharging.
Embodiment 2
In the mixing tank of 100kg urethane (PU) emulsion adding with electric stirring, starting in the situation of agitator, slowly add successively various titanium dioxide 100kg; 400 order ground barium sulfate 100kg; 400 order aluminum oxide powder 80kg; 800 order white carbon black 70kg; Modified carbon fiber powder 1.5kg; Anti-aging agent 0.1kg; Sterilant 0.1kg, coupling agent γ-aminopropyl triethoxysilane 0.2kg; Water 2kg.Add rear continuation and stirred 1 hour, the material paste thick liquid that is white in color.According to the bonding device characteristics with glue, the viscosity (using rotary viscosity design determining) by regulating pondage control tackiness agent reaches 1-5Pas and can stop to stir discharging.
Embodiment 3
In the mixing tank of 100kg polyvinyl acetate emulsion adding with electric stirring, starting in the situation of agitator, slowly add successively various titanium dioxide 80kg; 400 order ground barium sulfate 50kg; 400 order aluminum oxide powder 100kg; 800 order white carbon black 120kg; Modified carbon fiber powder 1kg; Anti-aging agent 0.1kg; Sterilant 0.1kg, coupling agent γ-aminopropyl triethoxysilane 0.2kg; Water 2kg.Add rear continuation and stirred 1 hour, the material paste thick liquid that is white in color.According to the bonding device characteristics with glue, the viscosity (using rotary viscosity design determining) by regulating pondage control tackiness agent reaches 2-6Pas and can stop to stir discharging.
Embodiment 4
20kg urethane (PU) emulsion and the adding of 80kg polyvinyl acetate emulsion in the mixing tank with electric stirring, are being started in the situation of agitator, slowly adding successively various titanium dioxide 80kg; 400 order ground barium sulfate 80kg; 400 order aluminum oxide powder 100kg; 800 order white carbon black 90kg; Modified carbon fiber powder 1kg; Anti-aging agent 0.1kg; Sterilant 0.1kg, coupling agent γ-aminopropyl triethoxysilane 0.2kg; Water 2kg.Add rear continuation and stirred 1 hour, the material paste thick liquid that is white in color.According to the bonding device characteristics with glue, the viscosity (using rotary viscosity design determining) by regulating pondage control tackiness agent reaches 0.5-3Pas and can stop to stir discharging.
Embodiment 5
40kg urethane (PU) emulsion and the adding of 60kg benzene emulsion in the mixing tank with electric stirring, are being started in the situation of agitator, slowly adding successively various titanium dioxide 80kg; 400 order ground barium sulfate 80kg; 400 order aluminum oxide powder 100kg; 800 order white carbon black 90kg; Modified carbon fiber powder 1kg; Anti-aging agent 0.1kg; Sterilant 0.1kg, coupling agent γ-aminopropyl triethoxysilane 0.2kg; Water 2kg.Add rear continuation and stirred 1 hour, the material paste thick liquid that is white in color.According to the bonding device characteristics with glue, the viscosity (using rotary viscosity design determining) by regulating pondage control tackiness agent reaches 0.2-5Pas and can stop to stir discharging.
Embodiment 6
The key technical indexes detected result of the tackiness agent among the above embodiment 1 to 5 is as follows:
1, outward appearance: white paste dope;
2, solid content: greater than 70%;
3, adhesion intensity:＞6Mpa;
4, temperature tolerance: greater than 200 degrees centigrade;
5, acid-basicity: neutrality;
Embodiment 7
The adhesive applications test-results of the tackiness agent among the above embodiment 1 to 5 is as follows:
1. prepared tackiness agent is coated on interior splicing glass ball bulb and the lamp cap plastic parts of being used for of groove of lamp holder, the Amount of spread of each lamp holder is the 2-5 gram, fully curing after the baking in lower 40 minutes of 120 ℃ of temperature; Detecting the Joint strength result is: 6.7Mpa;
2. light fixture is under 150 ℃ of conditions, through 200 hours thermal ageings and 20 alternating hot and cold observationss: ball bubble non-loosening, break, obscission.
Claims (5)
1. tackiness agent, it is characterized in that: its component comprises in mass ratio: 100 parts of the polymer emulsions that is mixed by polyvinyl acetate emulsion, benzene-acrylic emulsion, urethane (PU) emulsion, filler 100-500 part, carbon fiber powder 0.1-3 part, anti-aging agent 0.05-3 part, sterilant 0.1-5 part, coupling agent 0.5-5 part, water 20-100 part.
2. tackiness agent according to claim 1, it is characterized in that: comprise in mass ratio 100 parts of polyvinyl acetate emulsions in the described polymer emulsion, benzene-acrylic emulsion 20-80 part, urethane (PU) emulsion 10-30 part, wherein the solid content of polyvinyl acetate emulsion is 55%, the solid content of benzene-acrylic emulsion is 45%, and the solid content of urethane (PU) is 45%.
3. described tackiness agent according to claim 2 is characterized in that: described carbon fiber powder, carry out surface modification treatment adding the coupling agent that is called KH560 through commodity before using.
4. described tackiness agent according to claim 1, it is characterized in that: described filler is one or more mixtures in titanium dioxide, talcum powder, ground barium sulfate, silica powder, aluminum oxide powder, light calcium carbonate powder and the dicalcium powder.
5. the preparation method of tackiness agent as claimed in claim 1 is characterized in that this preparation method's step is as follows:
1) to slowly adding the polymer emulsion for preparing in the mixing tank of electric stirring, starts the agitator stirring and made it even in 60 minutes;
2) starting in the situation of agitator, slowly adding successively in proportion filler, carbon fiber powder, anti-aging agent, sterilant, coupling agent, continue to stir 60 minutes, making the material paste thick liquid that is white in color;
3) starting in the situation of agitator, according to the different water that add different amounts of purposes, the size by regulating pondage control adhesive viscosities stirs, and finishes process for preparation and packs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105127014A CN102925082A (en) | 2012-11-30 | 2012-11-30 | Adhesive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105127014A CN102925082A (en) | 2012-11-30 | 2012-11-30 | Adhesive and preparation method thereof |
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| CN102925082A true CN102925082A (en) | 2013-02-13 |
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| CN2012105127014A Pending CN102925082A (en) | 2012-11-30 | 2012-11-30 | Adhesive and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010373A (en) * | 2016-08-12 | 2016-10-12 | 哥俩好（辽宁）新材料有限公司 | Novel environmental-protection aqueous nail-free glue and production method thereof |
| CN106590232A (en) * | 2016-12-22 | 2017-04-26 | 安徽乐金环境科技有限公司 | Electric appliance coating material based on polyvinyl acetate emulsion and preparation method of electric appliance coating material |
| CN106833440A (en) * | 2017-02-23 | 2017-06-13 | 郭钦 | A kind of strong high temperature resistant type chemical glue formula of cementability and its preparation technology |
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| CN1939956A (en) * | 2005-09-29 | 2007-04-04 | 吴淑环 | Use of organic polymer emulsion as plastic thin-film and building material binder |
| CN101045847A (en) * | 2006-03-31 | 2007-10-03 | 中国科学院过程工程研究所 | Adhesive and paint for absorbing formol |
| CN101210157A (en) * | 2006-12-31 | 2008-07-02 | 郑旷宇 | Micron nano material composite modified water-based adhesive |
| US20110086170A1 (en) * | 2004-03-30 | 2011-04-14 | Coveright Surfaces Holding Gmbh | Coating composition, coated article and a method to manufacture the same |
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2012
- 2012-11-30 CN CN2012105127014A patent/CN102925082A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110086170A1 (en) * | 2004-03-30 | 2011-04-14 | Coveright Surfaces Holding Gmbh | Coating composition, coated article and a method to manufacture the same |
| CN1939956A (en) * | 2005-09-29 | 2007-04-04 | 吴淑环 | Use of organic polymer emulsion as plastic thin-film and building material binder |
| CN101045847A (en) * | 2006-03-31 | 2007-10-03 | 中国科学院过程工程研究所 | Adhesive and paint for absorbing formol |
| CN101210157A (en) * | 2006-12-31 | 2008-07-02 | 郑旷宇 | Micron nano material composite modified water-based adhesive |
Non-Patent Citations (1)
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| 李子东等: "《胶黏剂助剂》", 28 February 2005, 化学工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010373A (en) * | 2016-08-12 | 2016-10-12 | 哥俩好（辽宁）新材料有限公司 | Novel environmental-protection aqueous nail-free glue and production method thereof |
| CN106590232A (en) * | 2016-12-22 | 2017-04-26 | 安徽乐金环境科技有限公司 | Electric appliance coating material based on polyvinyl acetate emulsion and preparation method of electric appliance coating material |
| CN106833440A (en) * | 2017-02-23 | 2017-06-13 | 郭钦 | A kind of strong high temperature resistant type chemical glue formula of cementability and its preparation technology |
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Application publication date: 20130213 |