CN103320064A - High strength heat-resisting pressure-sensitive adhesive used in high temperature resistance adhesive tape and preparation method thereof - Google Patents
High strength heat-resisting pressure-sensitive adhesive used in high temperature resistance adhesive tape and preparation method thereof Download PDFInfo
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- CN103320064A CN103320064A CN 201310237288 CN201310237288A CN103320064A CN 103320064 A CN103320064 A CN 103320064A CN 201310237288 CN201310237288 CN 201310237288 CN 201310237288 A CN201310237288 A CN 201310237288A CN 103320064 A CN103320064 A CN 103320064A
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Abstract
The invention provides a high strength heat-resisting pressure-sensitive adhesive used in a high temperature resistance adhesive tape and a preparation method thereof. The high strength heat-resisting pressure-sensitive adhesive is composed of an acrylate monomer, a solvent, an initiating agent and a curing agent. The preparation method of the high strength heat-resisting pressure-sensitive adhesive comprises the following steps of: (a), earlier stage charging reaction, (b) dropwise adding reaction, (c) later period charging reaction and (d) finished product detection. The high strength heat-resisting pressure-sensitive adhesive used in the high temperature resistance adhesive tape and the preparation method thereof provided by the invention have the advantages that the high strength heat-resisting pressure-sensitive adhesive is synthesized by adopting a solution method and a batch charging manner, the preparation method is reasonable, the implement is simple, the manufactured high strength heat-resisting pressure-sensitive adhesive has the wide operating temperature and high resistance property and high peel strength and high adhesive force.
Description
Technical field
The present invention relates to a kind of high temperature resistant adhesive tape, relate in particular to a kind of high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape and preparation method thereof, belong to the tape technology field.
Background technology
Along with the quick raising of social economy and people's living standard, adhesive tape has been dissolved in the use of all trades and professions and people's daily life fully.Adhesive tape not only is widely used, kind is also very many, as: the high temperature resistant adhesive tape that uses under the high-temperature service environment, this class adhesive tape is mainly used in the electronic industry purposes, heat resistance usually at 120 degree between 260 degree, be usually used in spraying paint, the baking vanish leather processing, application is covered with the electronic component processing procedure in fixing, printed circuit board (PCB) and pyroprocessing cover etc.
In the existing technology, high temperature resistant adhesive tape mainly contains base material and glue two parts.At present, the glue of high temperature resistant adhesive tape part adopts the glutinous agent of acrylate pressure-sensitive adhesives, and this class sizing agent has good adhesiveproperties, chemical stability, and the advantage such as nontoxic, harmless, with low cost.Yet common acrylate pressure-sensitive adhesive resistance toheat is general, and under higher temperature, heatproof air aging performance is poor, easily loses pressure-sensitive, and the acrylate pressure-sensitive adhesive after crosslinked also only can use 150 ℃ of lower short-terms.Present stage, relatively lack on the market possess simultaneously high-peeling strength, the high just high performance acrylate pressure-sensitive adhesive of viscous force, wide in range use temperature.
Summary of the invention
For the demand, the invention provides a kind of high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape and preparation method thereof, this high strength heat resistant pressure sensitive adhesive adopts solution method and batch charging mode to synthesize, its preparation method is reasonable, be easy to implement, the high strength heat resistant pressure sensitive adhesive that makes not only has wide in range use temperature and high resistance durability performance, and possesses high-peeling strength and high just viscous force.
The present invention is a kind of high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape and preparation method thereof, described high strength heat resistant pressure sensitive adhesive is synthetic by acrylate monomer, solvent, initiator and solidifying agent, the preparation method of this high strength heat resistant pressure sensitive adhesive comprises the steps: a) in earlier stage charging reaction, b) dropwise reaction, c) later stage charging reaction, d) finished product detection.
In a preferred embodiment of the present invention, described acrylate monomer is mix monomer, and its composition and quality proportioning are: Isooctyl acrylate monomer 42%, butyl acrylate 42%, methyl methacrylate 12%, glytidyl methacrylate 4%.
In a preferred embodiment of the present invention, described solvent is toluene and ethyl acetate mixture, and initiator is dibenzoyl peroxide, and solidifying agent is diaminodiphenylmethane.
In a preferred embodiment of the present invention, the quality proportioning of described acrylate monomer, solvent, initiator and solidifying agent is: acrylate monomer 48%, solvent 50%, initiator 0.6%, solidifying agent 1.4%.
In a preferred embodiment of the present invention, in the described step a), early stage, reinforced composition and quality proportioning were: acrylate monomer 22%, solvent 36%, initiator 0.2%; Temperature of reaction is 83 ℃, and the reaction times is 3h.
In a preferred embodiment of the present invention, in the described step b), dropping composition and quality proportioning are: acrylate monomer 26%, initiator 0.3%, the reaction times is 3h.
In a preferred embodiment of the present invention, in the described step c), reinforced composition of later stage and quality proportioning are: solvent 14%, initiator 0.1%, and solidifying agent 1.4%, the reaction times is 2h.
The present invention has disclosed a kind of high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape and preparation method thereof, this high strength heat resistant pressure sensitive adhesive adopts solution method and batch charging mode to synthesize, its preparation method is reasonable, be easy to implement, the high strength heat resistant pressure sensitive adhesive that makes not only has wide in range use temperature and high resistance durability performance, and possesses high-peeling strength and high just viscous force.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the process figure that the present invention is used for the high strength heat resistant pressure sensitive adhesive preparation method of high temperature resistant adhesive tape.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
Fig. 1 is the process figure that the present invention is used for the high strength heat resistant pressure sensitive adhesive preparation method of high temperature resistant adhesive tape; This preparation method comprises the steps: a) in earlier stage charging reaction, b) dropwise reaction, c) later stage charging reaction, d) finished product detection.
Embodiment
Concrete preparation method is as follows:
A) early stage charging reaction, should be used for raw material and quality proportioning thereof that high strength heat resistant pressure sensitive adhesive of high temperature resistant adhesive tape select and be: acrylate monomer 48%, solvent 50%, initiator 0.6%, solidifying agent 1.4%; Wherein, acrylate monomer is the mix monomer that is comprised of Isooctyl acrylate monomer, butyl acrylate, methyl methacrylate and glytidyl methacrylate, and its quality proportioning is: Isooctyl acrylate monomer 42%, butyl acrylate 42%, methyl methacrylate 12%, glytidyl methacrylate 4%; Solvent is toluene and ethyl acetate mixture, this solvent can utilize the backflow of ethyl acetate to take away partial reaction heat in initial reaction stage on the one hand, thereby control temperature of reaction, prevent violent polymerization, can utilize on the other hand toluene to increase the chain transfer constant of solvent, regulate relative molecular mass, thereby make the pressure sensitive adhesive that makes have higher first viscous force, hold stickiness and stripping strength; Initiator is dibenzoyl peroxide, and this initiator can strengthen the polyreaction stability of mixture and the stripping strength of pressure sensitive adhesive; Solidifying agent is resistant to elevated temperatures diaminodiphenylmethane.Early stage, the charging reaction process was: 22% acrylate monomer, 36% solvent and 0.2% initiator are joined in the flask, pass into nitrogen, be heated to 83 ℃, fully stir constant temperature polyreaction 3h.
B) dropwise reaction, the dropwise reaction process is: get residue 26% acrylate monomer and 0.3% initiator, be added drop-wise in the mixture of reaction in early stage, time for adding is 1h, and drip reacting temperature is 83 ℃, drips off rear at 83 ℃ of lower insulation reaction 2h; This dropwise reaction mode can make the pressure sensitive adhesive that makes have higher viscous force and the stripping strength of holding; Wherein, acrylate monomer adds at twice, and the consumption of the acrylate monomer that residue adds is slightly larger than the acrylate monomer consumption that add early stage; The add-on of initiator is half of adding total amount; Isooctyl acrylate monomer in this acrylate monomer and butyl acrylate are soft monomer, and its second-order transition temperature is low, can give preferably adhesiveproperties of pressure sensitive adhesive; Methyl methacrylate is hard monomer, and its second-order transition temperature is high, can with the soft monomer copolymerization after produce preferably cohesive strength; Glytidyl methacrylate is the functional monomer, and it can give pressure sensitive adhesive reactivity, wetting ability, water tolerance and thermotolerance.
C) later stage charging reaction, later stage charging reaction process is: will remain 0.1% initiator, residue 14% solvent, 1.4% solidifying agent and join in the mixture behind the dropwise reaction, and fully stir discharging behind 83 ℃ of lower isothermal reaction 2h.The preparation feedback time of this high strength heat resistant pressure sensitive adhesive is controlled to be 8h, and temperature of reaction is controlled to be 83 ℃, and the pressure sensitive adhesive for preparing under this temperature and time has excellent performance.
D) finished product detection, this high strength heat resistant pressure sensitive adhesive finished product through first viscous force, hold the mensuration of stickiness, stripping strength, resistance to elevated temperatures, its just viscous force can reach 5#, hold viscous force greater than 24h under the room temperature, holding viscous force under 150 ℃ is 30min, stripping strength is 10.84/Ncm
-1Measurement result shows: the performance of this high strength heat resistant pressure sensitive adhesive is not only far above industry standard, and performance is better compared with similar products.
The present invention has disclosed a kind of high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape and preparation method thereof, this high strength heat resistant pressure sensitive adhesive adopts solution method and batch charging mode to synthesize, its preparation method is reasonable, be easy to implement, the high strength heat resistant pressure sensitive adhesive that makes not only has wide in range use temperature and high resistance durability performance, and possesses high-peeling strength and high just viscous force.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (7)
1. high strength heat resistant pressure sensitive adhesive that is used for high temperature resistant adhesive tape and preparation method thereof, it is characterized in that, described high strength heat resistant pressure sensitive adhesive is synthetic by acrylate monomer, solvent, initiator and solidifying agent, the preparation method of this high strength heat resistant pressure sensitive adhesive comprises the steps: a) in earlier stage charging reaction, b) dropwise reaction, c) later stage charging reaction, d) finished product detection.
2. high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape according to claim 1 and preparation method thereof, it is characterized in that, described acrylate monomer is mix monomer, and its composition and quality proportioning are: Isooctyl acrylate monomer 42%, butyl acrylate 42%, methyl methacrylate 12%, glytidyl methacrylate 4%.
3. high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape according to claim 1 and preparation method thereof is characterized in that, described solvent is toluene and ethyl acetate mixture, and initiator is dibenzoyl peroxide, and solidifying agent is diaminodiphenylmethane.
4. high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape according to claim 1 and preparation method thereof, it is characterized in that, the quality proportioning of described acrylate monomer, solvent, initiator and solidifying agent is: acrylate monomer 48%, solvent 50%, initiator 0.6%, solidifying agent 1.4%.
5. high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape according to claim 1 and preparation method thereof is characterized in that, in the described step a), early stage, reinforced composition and quality proportioning were: acrylate monomer 22%, solvent 36%, initiator 0.2%; Temperature of reaction is 83 ℃, and the reaction times is 3h.
6. high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape according to claim 1 and preparation method thereof is characterized in that, in the described step b), drip composition and quality proportioning and be: acrylate monomer 26%, initiator 0.3%, the reaction times is 3h.
7. high strength heat resistant pressure sensitive adhesive for high temperature resistant adhesive tape according to claim 1 and preparation method thereof, it is characterized in that, in the described step c), reinforced composition of later stage and quality proportioning are: solvent 14%, initiator 0.1%, solidifying agent 1.4%, the reaction times is 2h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201310237288 CN103320064A (en) | 2013-06-17 | 2013-06-17 | High strength heat-resisting pressure-sensitive adhesive used in high temperature resistance adhesive tape and preparation method thereof |
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| CN 201310237288 CN103320064A (en) | 2013-06-17 | 2013-06-17 | High strength heat-resisting pressure-sensitive adhesive used in high temperature resistance adhesive tape and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119809A (en) * | 2014-07-07 | 2014-10-29 | 苏州世优佳电子科技有限公司 | High-temperature-resistant pressure-sensitive adhesive and preparation method thereof |
| CN110835505A (en) * | 2019-11-12 | 2020-02-25 | 苏州淼昇电子有限公司 | Environment-friendly high-temperature-resistant special double-sided adhesive tape and preparation method thereof |
| CN112480772A (en) * | 2020-12-02 | 2021-03-12 | 上海绘兰材料科技有限公司 | High-temperature-resistant protective coating material and preparation method thereof |
-
2013
- 2013-06-17 CN CN 201310237288 patent/CN103320064A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119809A (en) * | 2014-07-07 | 2014-10-29 | 苏州世优佳电子科技有限公司 | High-temperature-resistant pressure-sensitive adhesive and preparation method thereof |
| CN110835505A (en) * | 2019-11-12 | 2020-02-25 | 苏州淼昇电子有限公司 | Environment-friendly high-temperature-resistant special double-sided adhesive tape and preparation method thereof |
| CN112480772A (en) * | 2020-12-02 | 2021-03-12 | 上海绘兰材料科技有限公司 | High-temperature-resistant protective coating material and preparation method thereof |
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Application publication date: 20130925 |