CN109796901A - A kind of adhesive and its adhesive tape - Google Patents
A kind of adhesive and its adhesive tape Download PDFInfo
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- CN109796901A CN109796901A CN201910062593.7A CN201910062593A CN109796901A CN 109796901 A CN109796901 A CN 109796901A CN 201910062593 A CN201910062593 A CN 201910062593A CN 109796901 A CN109796901 A CN 109796901A
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- pressure sensitive
- sensitive adhesive
- adhesive
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Abstract
The present invention provides the adhesive for not staying residue glue when a kind of removing and use the adhesive tape of the adhesive, the adhesive include a) 70 weight % to the pressure sensitive adhesive component of 90 weight %, b) organic compound of 10 weight % to 20 weight %, c) radical initiator of the 0.1 weight % to 1 weight %, d) 0.1 weight % to 1 weight % curing agent.The present invention can effectively control the removing force value of the glue after high temperature process process, and peeling force is greatly reduced instead after high temperature, can be convenient removing, when reaching removing not residue glue, do not send out the advantages of mist.
Description
(1) technical field
The present invention relates to the adhesive for not staying residue glue when a kind of adhesive technology field, especially removing and use the adhesive
Adhesive tape.
(2) background technique
It is each that pressure sensitive adhesive product is widely used in packaging, electric appliance and electronic, building, health care, automobile and family life articles etc.
Industry plays and the various bonding effects such as ties up, protects, seals, insulate and fix.Peelable type pressure-sensitive adhesive film is since it is with good
Good removable performance, then while removing, do not stay residue glue on base material, do not destroy substrate material surface performance, therefore in vapour
In the fields such as vehicle, household electrical appliance, furniture, LCD liquid crystal board, camera lens and some best bright finish material surface temporary protective films increasingly
It is valued by people, demand and application range are all expanding, in the trend constantly risen.
During processing temperature higher magnetron sputtering technique, such as PET-ITO magnetron sputtering, PVD magnetron sputtering etc.
In process, usually only carried out on a surface due to sputtering, it is therefore desirable to pass through on another surface without processing
Colloid fitting adhesive tape/membrane body is protected, and is torn off again after completing the process, however in this type high temp process,
Existing colloid has that mobility becomes strong excessive glue pollution and peeling force is climbed, and occurs being difficult to remove (quilt when removing adhesive tape
Patch object is pulled out of shape) or colloid cohesional failure caused by residue glue phenomenon, cause scrap of the product or yield to reduce, if selecting molecule
Though amount is greatly or the colloid of more high glass transition temperature can reduce excessive glue, residue glue phenomenon in high temperature process, initial release force can be big
Width decline reduces the adhesion effect of affixed object, then the thermal deformation difference after affixed object and adhesive tape are heated can cause two kinds
Material is bonded the relative displacement at position, causes adhesive tape to tilt, disengage, cannot play reliable protective effect.
(3) summary of the invention
The object of the invention is to pass through the formula of specific adhesive, so that using the adhesive tape of the adhesive in use process
In the phenomenon that being not in residual colloid and hair mist, enhance product performance and quality.
It is realized the purpose of the present invention is technical solution in this way:
The present invention provides a kind of adhesives, comprising: a) pressure sensitive adhesive component of the 70 weight % to 90 weight %, b) 10 weight % to 20
Weight %'sOrganic compound, c) radical initiator of the 0.1 weight % to 1 weight %, d) 0.1 weight % to 1 weight % solidification
Agent, wherein the glass transition temperature of pressure sensitive adhesive component a is between -70 DEG C to 10 DEG C, wherein organic compound b is containing cross-linking official
The polymer that can be rolled into a ball.
Preferably, the weight average molecular weight of the pressure sensitive adhesive component a is between 20 ten thousand to 200 ten thousand, the pressure sensitive adhesive component a's
Glass transition temperature is between -60 DEG C to 10 DEG C.
Preferably, the weight average molecular weight of the pressure sensitive adhesive component a is between 30 ten thousand to 100 ten thousand, the pressure sensitive adhesive component a's
Glass transition temperature is between -50 DEG C to 0 DEG C.
Preferably, the pressure sensitive adhesive component a acrylate pressure sensitive adhesive, the organic compound b are poly- for the UV comprising C=C double bond
Close object and/or UV monomer.
Preferably, the organic compound b is the UV polymer and/or UV monomer of hydroxyl, and the pressure sensitive adhesive component a is
The pressure sensitive adhesive of hydroxyl or carboxyl.
Preferably, the organic compound b be urethane acrylate UV prepolymer, polyester acrylate UV prepolymer,
One or more of epoxy acrylate UV prepolymer, pure acrylate UV prepolymer.
Preferably, the compound b is the UV monomer of high glass transition temperature and/or high functionality, such as: tristane diformazan
Alcohol diacrylate, tripropylene glycol diacrylate, three (2- ethoxy) isocyanuric acid triacrylates, trimethylolpropane tris
Acrylate, pentaerythritol triacrylate, ethoxyquin trimethylolpropane trimethacrylate, the third oxidation trimethylolpropane tris
Acrylate, glycerol propoxylate triacrylate, trimethylol-propane trimethacrylate, pentaerythritol tetraacrylate,
Ethoxyquin pentaerythritol tetraacrylate, two-trimethylolpropane tetra-acrylates, third oxidation pentaerythritol tetraacrylate,
One or more of dipentaerythritol hexaacrylate.
The present invention also provides a kind of adhesive tapes, and it uses the adhesives according to one of preceding claims.
By adopting the above-described technical solution, the present invention have the function of it is as follows:
The present invention is mainly made of pressure sensitive adhesive, UV polymer and/or monomer and thermal initiator, and after being heated, thermal initiator is decomposed
It generates free radicals, causes the addition reaction of UV polymer and/or monomer, improve glue-line overall molecule amount and glass transition temperature, reach
To not residue glue when removing, peeling force is climbed small purpose.
(5) specific embodiment
Below with reference to embodiment, the invention will be further described:
The present invention provides a kind of adhesives, comprising: pressure sensitive adhesive the component a, 10 weight % to 20 weights of 70 weight % to 90 weight %
The curing agent of the radical initiator c and 0.1 weight % to 1 weight % of the organic compound b, 0.1 weight % to 1 weight % of % are measured,
Wherein, radical initiator c is thermal initiator, and thermal initiator is in the selection process, it is necessary in processing temperature and duration
Interior can sufficiently play improves heat-resisting effect, and the half-life period (i.e. decomposition rate is excessively slow) of thermal initiator is too long under process conditions,
Then the part UV is not sufficiently reacted, and is not had and is promoted heat-resisting effect, and half-life period is too short then it is possible that in storage and transportation process
Slow reaction just occurs, reduces peeling force.
Wherein, for the glass transition temperature of pressure sensitive adhesive component a between -70 DEG C to 10 DEG C, the selection of pressure sensitive adhesive component a can
Weight average molecular weight is thought between 20 ten thousand to 200 ten thousand, and glass transition temperature is between -60 DEG C to 10 DEG C；Alternatively, weight average molecular weight exists
Between 30 ten thousand to 100 ten thousand, glass transition temperature is between -50 DEG C to 0 DEG C.
Wherein, pressure sensitive adhesive component a is acrylate pressure sensitive adhesive and is preferably the acrylate pressure sensitive adhesive containing hydroxyl or carboxyl,
The organic compound b is UV polymer and/or UV monomer comprising C=C double bond.
Preferably, the organic compound b is the UV polymer and/or UV monomer of hydroxyl, and the pressure sensitive adhesive component a is
The pressure sensitive adhesive of hydroxyl or carboxyl.
As an example, the organic compound b can be pre- for urethane acrylate UV prepolymer, polyester acrylate UV
One or more of polymers, epoxy acrylate UV prepolymer, pure acrylate UV prepolymer or the compound b
For high glass transition temperature and/or the UV monomer of high functionality, such as: Tricyclodecane Dimethanol diacrylate, tripropylene glycol dipropyl
Olefin(e) acid ester, three (2- ethoxy) isocyanuric acid triacrylates, trimethylolpropane trimethacrylate, three acrylic acid of pentaerythrite
Ester, ethoxyquin trimethylolpropane trimethacrylate, the third oxidation trimethylolpropane trimethacrylate, three propylene of glycerol propoxylate
Acid esters, trimethylol-propane trimethacrylate, pentaerythritol tetraacrylate, ethoxyquin pentaerythritol tetraacrylate,
Two-trimethylolpropane tetra-acrylates, the third oxidation pentaerythritol tetraacrylate, one in dipentaerythritol hexaacrylate
Kind is a variety of.
It is corresponding the present invention also provides a kind of adhesive tape using above-mentioned adhesive, the production technology of the adhesive tape
Process is as follows: be the configuration of coating fluid first: above-mentioned several parts are uniformly dispersed in dispersion machine, stand defoaming；Followed by basement membrane
Surface treatment, can use two schemes here: for one to carry out sided corona treatment to basement membrane, standard reaches 56 dynes or more；Or
Person is secondly using in the easy then coating of surface coating, and easily then coating material is polyester resin, polyurethane resin, acrylic resin
Or one of UV resin etc..The purpose of surface treatment is to increase the attachment of adhesive layer and basement membrane, because of the subsequent part UV
After by heat cure, viscosity is reduced, and when stripping tape is possible to will lead to adhesive layer and base membrane layer disengages,；Then it is coating: uses
Spreader forms uniform adhesive layer on basement membrane；Finally be dry and curing: drying condition is to continue 2- at 100 DEG C
3min；Cooking conditions continue 72h under the conditions of being 55 DEG C.
The present invention is further detailed according to specific embodiment.
The chemical material wherein used includes:
87A: double bond chemical industry (six acrylate of aliphatic polyurethane)
BPO: benzoyl peroxide；
L-75: Bayer (toluene di-isocyanate(TDI))；
R-7480: moisten chemical industry (aliphatic urethane acrylate) difficult to understand；
EB-7210: win chemical (acrylate pressure sensitive adhesive) in east.
Embodiment 1
Choose the raw material of following mass fraction: 100 parts of EB-7210,87A18 parts, BPO0.8 parts, 1.2 parts of curing agent, mixing is stirred
Colloid is formed after mixing uniformly, the dry glue that coating thickness is 20 μm in 50 μm of PET base materials.
Embodiment 2
Choose the raw material of following mass fraction: 100 parts of EB-7210,87A22 parts, BPO0.8 parts, 1.2 parts of curing agent, mixing is stirred
Colloid is formed after mixing uniformly, the dry glue that coating thickness is 20 μm in 50 μm of PET base materials.
Embodiment 3
The raw material of following mass fraction: 100 parts of EB-7210,22 parts of R-7480, BPO0.8 parts, 1.2 parts of curing agent is chosen, is mixed
Conjunction forms colloid after stirring evenly, the dry glue that coating thickness is 20 μm in 50 μm of PET base materials.
Embodiment 4
The raw material of following mass fraction: 100 parts of EB-7210,18 parts of R-7480, BPO0.8 parts, 1.2 parts of curing agent is chosen, is mixed
Conjunction forms colloid after stirring evenly, the dry glue that coating thickness is 20 μm in 50 μm of PET base materials.
Comparative example 1
The raw material of following mass fraction: 100 parts of EB-7210 and 1.2 parts of curing agent is chosen, after being mixed evenly, 50
The dry glue that coating thickness is 20 μm in μm PET base material.
The experimental results are shown inthe following table for embodiment 1-4 and comparative example 1:
By experimental data, it can be concluded that, after high temperature process, peeling force is promoted conventional pressure sensitive adhesive, and residue glue occurs in when removing
Phenomenon, and the adhesive of embodiment 1-4 provided by the invention, after high temperature process, peeling force is reduced, without residual when removing
Glue facilitates removing, ensure that the surface quality of product, and the present invention can according to specific requirements, select different pressure sensitive adhesives with
And UV prepolymer, come reach different heating time after peeling force different changing values.
Claims (8)
1. a kind of adhesive, comprising:
A) the pressure sensitive adhesive component of 70 weight % to 90 weight %,
B) organic compound of 10 weight % to 20 weight %,
C) radical initiator of 0.1 weight % to 1 weight %,
D) curing agent of 0.1 weight % to 1 weight %,
Wherein, the glass transition temperature of pressure sensitive adhesive component a is between -70 DEG C to 10 DEG C, wherein organic compound b is containing cross-linking
The polymer of functional group.
2. a kind of adhesive according to claim 1, which is characterized in that the weight average molecular weight of the pressure sensitive adhesive component a is 20
Between ten thousand to 200 ten thousand, the glass transition temperature of the pressure sensitive adhesive component a is between -60 DEG C to 10 DEG C.
3. a kind of adhesive according to claim 2, which is characterized in that the weight average molecular weight of the pressure sensitive adhesive component a is 30
Between ten thousand to 100 ten thousand, the glass transition temperature of the pressure sensitive adhesive component a is between -50 DEG C to 0 DEG C.
4. any one a kind of adhesive according to claim 1 ~ 3, which is characterized in that the pressure sensitive adhesive component a propylene acid fracturing
Quick glue, the organic compound b are UV polymer and/or UV monomer comprising C=C double bond.
5. a kind of adhesive according to claim 4, which is characterized in that the organic compound b is that the UV of hydroxyl polymerize
Object and/or UV monomer, the pressure sensitive adhesive component a are the pressure sensitive adhesive of hydroxyl or carboxyl.
6. a kind of adhesive according to claim 4, which is characterized in that the organic compound b is urethane acrylate
One of UV prepolymer, polyester acrylate UV prepolymer, epoxy acrylate UV prepolymer, pure acrylate UV prepolymer
Or it is a variety of.
7. a kind of adhesive according to claim 1, which is characterized in that the compound b is high glass transition temperature and/or height
The UV monomer of degree of functionality, including Tricyclodecane Dimethanol diacrylate, tripropylene glycol diacrylate, three (2- ethoxys) are different
Cyanurate triacrylate, trimethylolpropane trimethacrylate, pentaerythritol triacrylate, ethoxyquin trimethylolpropane
Triacrylate, the third oxidation trimethylolpropane trimethacrylate, glycerol propoxylate triacrylate, trimethylolpropane tris first
Base acrylate, pentaerythritol tetraacrylate, ethoxyquin pentaerythritol tetraacrylate, two-trimethylolpropane tetras
One or more of acid esters, the third oxidation pentaerythritol tetraacrylate, dipentaerythritol hexaacrylate.
8. a kind of adhesive tape, which is characterized in that used the adhesive according to one of preceding claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062593.7A CN109796901A (en) | 2019-01-23 | 2019-01-23 | A kind of adhesive and its adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062593.7A CN109796901A (en) | 2019-01-23 | 2019-01-23 | A kind of adhesive and its adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109796901A true CN109796901A (en) | 2019-05-24 |
Family
ID=66560032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910062593.7A Pending CN109796901A (en) | 2019-01-23 | 2019-01-23 | A kind of adhesive and its adhesive tape |
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| CN (1) | CN109796901A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106883793A (en) * | 2017-02-22 | 2017-06-23 | 常州都铂高分子有限公司 | A kind of high temperature resistant peelable type pressure sensitive adhesive and the adhesive tape containing the pressure sensitive adhesive |
| CN107466314A (en) * | 2015-04-02 | 2017-12-12 | 德莎欧洲股份公司 | The pressure sensitive adhesive tape that can be removed again |
| CN108102571A (en) * | 2017-11-24 | 2018-06-01 | 烟台德邦科技有限公司 | Solar double-glass photovoltaic module laminating edge sealing and adhesive reducing adhesive tape and preparation method thereof |
| CN108276923A (en) * | 2018-02-02 | 2018-07-13 | 苏州城邦达力材料科技有限公司 | A kind of UV visbreakings composition, UV visbreaking films and preparation method thereof |
| CN108611031A (en) * | 2018-03-14 | 2018-10-02 | 哈尔滨工业大学无锡新材料研究院 | A kind of removable high temperature resistant pressure sensitive adhesive and preparation method thereof |
-
2019
- 2019-01-23 CN CN201910062593.7A patent/CN109796901A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107466314A (en) * | 2015-04-02 | 2017-12-12 | 德莎欧洲股份公司 | The pressure sensitive adhesive tape that can be removed again |
| CN106883793A (en) * | 2017-02-22 | 2017-06-23 | 常州都铂高分子有限公司 | A kind of high temperature resistant peelable type pressure sensitive adhesive and the adhesive tape containing the pressure sensitive adhesive |
| CN108102571A (en) * | 2017-11-24 | 2018-06-01 | 烟台德邦科技有限公司 | Solar double-glass photovoltaic module laminating edge sealing and adhesive reducing adhesive tape and preparation method thereof |
| CN108276923A (en) * | 2018-02-02 | 2018-07-13 | 苏州城邦达力材料科技有限公司 | A kind of UV visbreakings composition, UV visbreaking films and preparation method thereof |
| CN108611031A (en) * | 2018-03-14 | 2018-10-02 | 哈尔滨工业大学无锡新材料研究院 | A kind of removable high temperature resistant pressure sensitive adhesive and preparation method thereof |
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