CN107573872A - Adhesive, shielding two-sided tape and preparation method thereof - Google Patents
Adhesive, shielding two-sided tape and preparation method thereof Download PDFInfo
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- CN107573872A CN107573872A CN201610524814.4A CN201610524814A CN107573872A CN 107573872 A CN107573872 A CN 107573872A CN 201610524814 A CN201610524814 A CN 201610524814A CN 107573872 A CN107573872 A CN 107573872A
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- adhesive
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- sided tape
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Abstract
The present invention relates to a kind of adhesive, shielding two-sided tape and preparation method thereof.Adhesive is prepared by the component of following parts by weight：18~23 parts of acrylate, 60~78 parts of solvent, 11~15 parts of tackifier, 2.2~6.3 parts of coupling agent, 1.6~3.2 parts of crosslinking agent, 1.3~3.4 parts of initiator, 6~15 parts of filler；Wherein：Acrylate is selected from least one of methacrylic acid, methyl methacrylate and EMA；Tackifier are selected from least one of a firpenes and beta pinene polymer；Coupling agent is selected from least one of two (dioctyl pyrophosphoryl base) ethylene titanate esters and isopropyl two (methylacryloyl) isostearoyl base titanate esters；Crosslinking agent is selected from least one of DAAM and Ethylenimine.Two-sided tape is prepared by the adhesive with base material.The adhesive of the present invention has superior effectiveness with two-sided tape and bond properties is good.
Description
Technical field
The present invention relates to electronics gluing product field, more particularly to a kind of adhesive, shielding two-sided tape and its preparation side
Method.
Background technology
Two-sided tape be using paper, cloth, plastic sheeting as base material, it is then elastomeric-type pressure sensitive adhesive or resin pressure sensitive adhesive is uniform
Manufactured web-like adhesive tape on above-mentioned base material is coated on, is made up of base material, adhesive, barrier paper (film) three parts.According to glue
Property can be divided into solvent-borne type adhesive tape (oiliness double faced adhesive tape), emulsion-type adhesive tape (water-based double faced adhesive tape), heat molten type adhesive tape, calendering type
Adhesive tape, response type adhesive tape.It is general be widely used in leather, inscription plate, stationery, electronics, automobile edging fix, footwear industry, paper processed, hand
Handicraft pastes the purposes such as positioning.
With science and technology and industrial expansion, manufacture and daily life in the requirement more and more higher of adhesive tape,
Some specific areas require that adhesive tape has conductive shielding action.Conductive shield adhesive tape is a kind of with conductive and electro-magnetic screen function
Adhesive material, be generally made up of conductive base (copper, aluminium etc.) composite conducting glue-line, for conduction overlap joint and shielding interference electromagnetism
Signal, while also possess electrostatic leakage function, it is widely used in the digital consumer products such as mobile phone, tablet personal computer, notebook computer
In.
Current digital consumer products are increasingly tended to use frivolous compact design, high-frequency processor and high collection
Cheng Du wiring, higher requirement is proposed for anti-Radio frequency interference, electromagnetic compatibility and electrostatic leakage, in the market
Conductive shield adhesive tape still can not meet to require in some specific areas, for example good conductive shield effect can not be provided simultaneously with
Fruit and bond properties.
The content of the invention
Based on this, the invention provides a kind of adhesive, and two-sided tape is shielded for preparing.
Concrete technical scheme is as follows：
A kind of adhesive, in parts by weight, it is prepared from the following components：
The acrylate in methacrylic acid, methyl methacrylate and EMA at least one
Kind；
At least one of beta-pinene polymer that the tackifier are selected from a- firpenes and molecular weight is 3000-5000；
The coupling agent is selected from two (dioctyl pyrophosphoryl base) ethylene titanate esters and isopropyl two (methylacryloyl) is different
At least one of stearyl titanate esters；
The crosslinking agent is selected from least one of DAAM and Ethylenimine.
In wherein some embodiments, in parts by weight, the adhesive is prepared from the following components：
In wherein some embodiments, in parts by weight, the adhesive is prepared from the following components：
In wherein some embodiments, the solvent is selected from isoamyl acetate, ethylene glycol ether acetate and isophorone
At least one of.
In wherein some embodiments, the initiator is in isopropyl benzene hydroperoxide and di-tert-butyl peroxide
It is at least one.
In wherein some embodiments, the filler is selected from least one of calcium sulfite, aluminum oxide and carbon fiber.
The present invention also provides a kind of shielding two-sided tape.
Concrete technical scheme is as follows：
One kind shielding two-sided tape, is mainly prepared by above-mentioned adhesive and PI base materials or PET base material.
Present invention also offers a kind of preparation method of above-mentioned adhesive.
Concrete technical scheme is as follows：
A kind of preparation method of above-mentioned adhesive, comprises the following steps：
Solvent and acrylate are incubated 0.1-0.3 hours at a temperature of 115-125 DEG C, initiator is added and is polymerize
Reaction, cool after 115-125 DEG C of insulation reaction 0.1-0.3 hour, stir, obtain after adding tackifier, coupling agent, crosslinking agent
Semi-finished product base-material；
Filler is added in the semi-finished product base-material, is filtered after being dispersed with stirring, then carries out deaeration processing, is produced described gluing
Agent.
In wherein some embodiments, the polymerisation is carried out under inert gas shielding；Deaeration processing be
Deaeration 1-1.5 minutes in deaeration machine.
Present invention also offers a kind of preparation method for shielding two-sided tape.
Concrete technical scheme is as follows：
A kind of preparation method for shielding two-sided tape, comprises the following steps：Above-mentioned adhesive is equably applied to rubber roll
The double-sided adhesive surface of PI base materials or PET base material, produce the shielding two-sided tape.
Inventor is studied by long-term experience accumulation and substantial amounts of creative experiments, is found with of the present invention third
Olefin(e) acid ester monomer and suitable tackifier, coupling agent and crosslinking agent compound in proper proportions can be prepared bond properties
It is good, and the adhesive with effectiveness, it is further by being carried out to the initiator in reaction raw materials, solvent and filler
Screening makes the various aspects of performance (cohesive, effectiveness) for the adhesive being prepared more preferable.By the adhesive of the present invention
The good shielding two-sided tape of bond properties can be prepared by being combined with PI base materials or PET base material.
The shielding two-sided tape of the present invention has advantages below：Surface line resistance is low, has superior effectiveness；
Bond properties is good, and strong peeling force is respectively provided with stainless steel and macromolecule membrane material PET；Acidproof alkali ability is preferable, acid-base condition
Still there is preferable tensile strength after processing；And preparing raw material meets environmental requirement, unharmful substance；The shielding of the present invention is two-sided
Adhesive tape can be widely applied to the electronic products such as chip, TV, computer, digital camera, mobile phone.
Embodiment
Adhesive of the invention, shielding two-sided tape and preparation method thereof are made below by way of specific embodiment further detailed
Thin explanation.
Embodiment 1
A kind of adhesive and shielding two-sided tape of the present embodiment are prepared by following methods：
(1) weigh in 68 parts of isoamyl acetate input reactors, the air led in nitrogen displacement reactor, be heated to 120
DEG C, 21 parts of methacrylic acids were instilled in reactor in 1~2 hour, 0.2 hour is incubated, adds 2.5 parts of isopropylbenzene peroxides
Change hydrogen in reactor, then be incubated 0.2 hour, cool, discharging；Add 13.5 parts of a- firpenes, 4.5 part of two (dioctyl Jiao's phosphorus
Acyl group) ethylene titanate esters, 2.3 parts of DAAMs, it is dispersed with stirring uniformly, obtains semi-finished product base-material；
(2) 11 parts of calcium sulfites are added in the semi-finished product base-material that step (1) is prepared, are dispersed with stirring uniformly, filtering
(crossing 1000-1200 mesh), then gained slurry is added to deaeration 1 minute in deaeration machine, produce the adhesive.
(3) adhesive that step (2) is prepared equably is applied to the double-sided adhesive surface of PI base materials using rubber roll, i.e.,
Obtain the shielding two-sided tape.
Embodiment 2
A kind of adhesive and shielding two-sided tape of the present embodiment are prepared by following methods：
(1) weigh in 62 parts of isoamyl acetate input reactors, the air led in nitrogen displacement reactor, be heated to 120
DEG C, 18 parts of methacrylic acids were instilled in reactor in 1~2 hour, 0.2 hour is incubated, adds 1.5 parts of isopropylbenzene peroxides
Change hydrogen in reactor, then be incubated 0.2 hour, cool, discharging；Add 11 parts of a- firpenes, 3 part two (dioctyl pyrophosphoryl base)
Ethylene titanate esters, 1.7 parts of DAAMs, it is dispersed with stirring uniformly, obtains semi-finished product base-material；
(2) 6 parts of calcium sulfites are added in the semi-finished product base-material that step (1) is prepared, are dispersed with stirring uniformly, filtering
(crossing 1000-1200 mesh), then gained slurry is added to deaeration 1 minute in deaeration machine, produce the adhesive.
(3) adhesive that step (2) is prepared equably is applied to the double-sided adhesive surface of PI base materials using rubber roll, i.e.,
Obtain the shielding two-sided tape.
Embodiment 3
A kind of adhesive and shielding two-sided tape of the present embodiment are prepared by following methods：
(1) weigh in 76 parts of isoamyl acetate input reactors, the air led in nitrogen displacement reactor, be heated to 120
DEG C, 23 parts of methacrylic acids were instilled in reactor in 1~2 hour, 0.2 hour is incubated, adds 3.4 parts of isopropylbenzene peroxides
Change hydrogen in reactor, then be incubated 0.2 hour, cool, discharging；Add 15 parts of a- firpenes, 6.2 part of two (dioctyl pyrophosphoryl
Base) ethylene titanate esters, 3.1 parts of DAAMs, it is dispersed with stirring uniformly, obtains semi-finished product base-material；
(2) 14 parts of calcium sulfites are added in the semi-finished product base-material that step (1) is prepared, are dispersed with stirring uniformly, filtering
(crossing 1000-1200 mesh), then gained slurry is added to deaeration 1 minute in deaeration machine, produce the adhesive.
(3) adhesive that step (2) is prepared equably is applied to the double-sided adhesive surface of PI base materials using rubber roll, i.e.,
Obtain the shielding two-sided tape.
Embodiment 4
A kind of adhesive and shielding two-sided tape of the present embodiment are prepared by following methods：
(1) weigh in 68 parts of ethylene glycol ether acetate input reactors, the air led in nitrogen displacement reactor, heating
To 120 DEG C, 21 parts of methyl methacrylates were instilled in reactor in 1~2 hour, 0.2 hour is incubated, adds 2.5 parts
Di-tert-butyl peroxide is in reactor, then is incubated 0.2 hour, cools, discharging；Add 13.5 parts of a- firpenes, 4.5 part two
(dioctyl pyrophosphoryl base) ethylene titanate esters, 2.3 parts of Ethylenimines, it is dispersed with stirring uniformly, obtains semi-finished product base-material；
(2) 11 parts of calcium sulfites are added in the semi-finished product base-material that step (1) is prepared, are dispersed with stirring uniformly, filtering
(crossing 1000-1200 mesh), then gained slurry is added to deaeration 1 minute in deaeration machine, produce the adhesive.
(3) adhesive that step (2) is prepared equably is applied to the double-sided adhesive surface of PET base material using rubber roll,
Produce the shielding two-sided tape.
Embodiment 5
A kind of adhesive and shielding two-sided tape of the present embodiment are prepared by following methods：
(1) weigh in 68 parts of ethylene glycol ether acetate input reactors, the air led in nitrogen displacement reactor, heating
To 120 DEG C, 21 parts of EMAs were instilled in reactor in 1~2 hour, 0.2 hour is incubated, adds 2.5 parts
Isopropyl benzene hydroperoxide is in reactor, then is incubated 0.2 hour, cools, discharging；Add 13.5 parts of beta-pinene polymers, 4.5
Part isopropyl two (methylacryloyl) isostearoyl base titanate esters, 2.3 parts of DAAMs, are dispersed with stirring uniformly, obtain
To semi-finished product base-material；
(2) 11 parts of aluminum oxide are added in the semi-finished product base-material that step (1) is prepared, is dispersed with stirring uniformly, filters (mistake
1000-1200 mesh), then gained slurry is added to deaeration 1 minute in deaeration machine, produce the adhesive.
(3) adhesive that step (2) is prepared equably is applied to the double-sided adhesive surface of PET base material using rubber roll,
Produce the shielding two-sided tape.
The performance test of embodiment 6
The performance of the embodiment 1-5 shielding two-sided tapes prepared is tested, including peel strength, confining force, conduction
Property and frame test.Specific method of testing or standard are as follows, the 90 ° of peel strength examinations of GB2792-1998 pressure-sensitive tapes
Proved recipe method, GB_4851-1998 pressure-sensitive tapes hold viscosity test method (confining force), tensile strength and extensibility GB1040-
92。
The performance test results are as shown in table 1, as a result show, shielding two-sided tape of the invention is in stainless steel and polymeric membrane
The caking property having had on material PET, its peeling force and confining force are big, difficult for drop-off；And acidproof alkali ability is preferable, at acid-base condition
Still there is preferable tensile strength after reason；Surface line resistance is low, the effectiveness having had.
Table 1 shields the performance test results of two-sided tape
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of adhesive, it is characterised in that in parts by weight, be prepared from the following components：
The acrylate is selected from least one of methacrylic acid, methyl methacrylate and EMA；
At least one of beta-pinene polymer that the tackifier are selected from a- firpenes and molecular weight is 3000-5000；
The coupling agent is selected from two (dioctyl pyrophosphoryl base) ethylene titanate esters and isopropyl two (methylacryloyl) different tristearin
At least one of acyl titanate；
The crosslinking agent is selected from least one of DAAM and Ethylenimine.
2. adhesive according to claim 1, it is characterised in that in parts by weight, be prepared from the following components：
3. adhesive according to claim 2, it is characterised in that in parts by weight, be prepared from the following components：
4. according to the adhesive described in claim any one of 1-3, it is characterised in that the solvent is selected from isoamyl acetate, second
At least one of glycol ether acetate and isophorone.
5. according to the adhesive described in claim any one of 1-3, it is characterised in that the initiator is selected from isopropylbenzene peroxidating
At least one of hydrogen and di-tert-butyl peroxide.
6. according to the adhesive described in claim any one of 1-3, it is characterised in that the filler is selected from calcium sulfite, oxidation
At least one of aluminium and carbon fiber.
7. one kind shielding two-sided tape, it is characterised in that mainly as the adhesive described in claim any one of 1-6 and PI base materials
Or PET base material is prepared.
8. the preparation method of the adhesive described in a kind of any one of claim 1-6, it is characterised in that comprise the following steps：
Solvent and acrylate are incubated 0.1-0.3 hours at a temperature of 115-125 DEG C, initiator is added and polymerize instead
Should, cool after 115-125 DEG C of insulation reaction 0.1-0.3 hour, stirred after adding tackifier, coupling agent, crosslinking agent, obtain half
Finished product base-material；
Filler is added in the semi-finished product base-material, is filtered after being dispersed with stirring, then carries out deaeration processing, produces the adhesive.
9. the preparation method of adhesive according to claim 8, it is characterised in that the polymerisation is protected in inert gas
Shield is lower to be carried out；The deaeration processing is the deaeration 1-1.5 minutes in deaeration machine.
10. a kind of preparation method for shielding two-sided tape, it is characterised in that comprise the following steps：By any one of claim 1-6
Described adhesive is equably applied to the double-sided adhesive surface of PI base materials or PET base material with rubber roll, produces the shielding double faced adhesive tape
Band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610524814.4A CN107573872A (en) | 2016-07-04 | 2016-07-04 | Adhesive, shielding two-sided tape and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610524814.4A CN107573872A (en) | 2016-07-04 | 2016-07-04 | Adhesive, shielding two-sided tape and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107573872A true CN107573872A (en) | 2018-01-12 |
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ID=61049277
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610524814.4A Pending CN107573872A (en) | 2016-07-04 | 2016-07-04 | Adhesive, shielding two-sided tape and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107573872A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212008A (en) * | 1996-02-26 | 1999-03-24 | 美国3M公司 | Pressure sensitive adhesives |
| CN1701106A (en) * | 2003-03-20 | 2005-11-23 | Lg化学株式会社 | Pressure sensitive adhesive composition for electro-magnetic shielding film and electro-magnetic shielding filter using the same |
| CN102597088A (en) * | 2009-09-11 | 2012-07-18 | 艾利丹尼森公司 | Dual crosslinked tackified pressure sensitive adhesive |
-
2016
- 2016-07-04 CN CN201610524814.4A patent/CN107573872A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212008A (en) * | 1996-02-26 | 1999-03-24 | 美国3M公司 | Pressure sensitive adhesives |
| CN1701106A (en) * | 2003-03-20 | 2005-11-23 | Lg化学株式会社 | Pressure sensitive adhesive composition for electro-magnetic shielding film and electro-magnetic shielding filter using the same |
| CN102597088A (en) * | 2009-09-11 | 2012-07-18 | 艾利丹尼森公司 | Dual crosslinked tackified pressure sensitive adhesive |
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Application publication date: 20180112 |
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