CN110511701A - Adhesive of high Bio-based content and preparation method thereof, pressure sensitive adhesive tape - Google Patents
Adhesive of high Bio-based content and preparation method thereof, pressure sensitive adhesive tape Download PDFInfo
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- CN110511701A CN110511701A CN201910929850.2A CN201910929850A CN110511701A CN 110511701 A CN110511701 A CN 110511701A CN 201910929850 A CN201910929850 A CN 201910929850A CN 110511701 A CN110511701 A CN 110511701A
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- adhesive
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention belongs to adhesive technology fields, and in particular to a kind of adhesive of high Bio-based content and preparation method thereof, pressure sensitive adhesive tape.Wherein the formula composition of the adhesive includes: the function monomer of high Bio-based content: 100 parts；Molecular weight regulator: 0-1 parts；And photoinitiator: 0.01-1 parts.Using the function monomer of high Bio-based content as Material synthesis, in adhesive preparation or subsequent use process, there is no organic pollutants to volatilize, the feature of environmental protection with higher.
Description
Technical field
The invention belongs to adhesive technology fields, and in particular to a kind of high Bio-based content adhesive and preparation method thereof,
Pressure sensitive adhesive tape.
Background technique
Conventional adhesive generally passes through the abiotic based raw material preparation of the nonrenewable resources such as petroleum extraction, due to it is non-can
The formation overlong time of regenerated resources, can not restore in a short time, and in high volume use can accelerate resource exhaustion.In addition, conventional glue
Glutinous agent readily volatilized organic pollutant during making and using, such as toluene, dimethylbenzene, ethyl acetate, butanone have centainly
Toxicity or irritating gas, not only waste of resource, also pollutes environment.
Summary of the invention
The object of the present invention is to provide a kind of high Bio-based content adhesives and preparation method thereof, pressure sensitive adhesive tape, pass through height
The function monomer of Bio-based content synthesizes, and reduces the volatile quantity of organic pollutant.
In order to solve the above-mentioned technical problems, the present invention provides a kind of adhesive, formula composition includes: height
The function monomer of Bio-based content: 100 parts；Molecular weight regulator: 0-1 parts；And photoinitiator: 0.01-1 parts.
Further, the Bio-based content accounting in the function monomer is not less than 70%.Further, the function monomer packet
It includes: acrylate monomer and acrylic acid, methacrylic acid, at least two in acrylamide.
Further, the molecular weight regulator includes: thio-alcohol, 3- isooctyl mercaptopropionate, 2,4- diphenyl -4- first
One or more of base -1- amylene.
Further, the photoinitiator is free radical photo-initiation.
The invention has the advantages that adhesive of the invention uses the function monomer of high Bio-based content to close as raw material
At being matched by the content of control function monomer and molecular weight regulator, photoinitiator, in adhesive preparation or subsequent used
Cheng Zhong, there is no organic pollutants to volatilize, the feature of environmental protection with higher.In addition, bio-based monomer generally use borneol, rosin,
The renewable raw material such as vegetable oil extract, and are not easy to cause resource exhaustion, meet the requirement of sustainable development.
Another aspect, the present invention also provides a kind of preparation methods of adhesive, comprising: Gao Sheng is added into reaction vessels
The function monomer of object base content, and it is passed through inert gas, to form protection atmosphere；Photoinitiator is added；Molecular weight is added in selection
Regulator, to adjust molecular weight distribution；And ultraviolet light carries out polymerization reaction, obtains the adhesive.
Further, the radiation intensity of the ultraviolet light is not less than 1.0mW/cm2；The raising temperature of polymerization reaction is controlled 2
℃-15℃。
Further, the Tg value of the adhesive is between -60 DEG C to -10 DEG C, viscosity 500-5000cps.
The invention has the advantages that preparation method of the invention passes through ultraviolet light as raw material using the formula of adhesive
Polymerization reaction synthetic adhesive is carried out, is volatilized in the synthesis process without organic gas such as solvents, energy conservation and environmental protection；Pass through ultraviolet light
The technological parameters such as radiation intensity, the temperature of polymerization reaction, and combine each component content in the formula of adhesive, can effectively adjust
The Tg value and viscosity of whole glutinous agent make adhesive have moderate Tg value, moderate hardness, moderate viscosity and excellent voltage-dependent characteristic, easily
It is used in subsequent various technique (such as various electronic components, screen glass lid) processing.
Another aspect, the present invention also provides a kind of pressure sensitive adhesive tapes, comprising: substrate, the adhesive layer positioned at substrate surface.
The invention has the advantages that foregoing adhesive is coated in substrate surface shape by pressure sensitive adhesive tape of the invention
At adhesive layer, there is pressure-sensitive, may be used as being bonded various electronic components, screen glass cover board etc..Both gluing can be inherited
The excellent properties (such as moderate Tg value, moderate hardness, moderate viscosity and excellent voltage-dependent characteristic) of agent are convenient for subsequent use, and can
To avoid using middle volatile organic compounds, the feature of environmental protection with higher.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the preparation technology flow chart of high Bio-based content adhesive of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of adhesive of the present embodiment 1, formula composition include: the function monomer of high Bio-based content:
100 parts；Molecular weight regulator: 0-1 parts；And photoinitiator: 0.01-1 parts.
Optionally, the formula composition of the adhesive includes: the function monomer of high Bio-based content: 100 parts；
Molecular weight regulator: 0.5 part；And photoinitiator: 0.5 part.
Optionally, the content accounting of biology base is not less than 70% in the function monomer, is chosen as 80%, 85%.And
The bio-based source is in bio-based monomer, such as natural borneol, natural rosin, vegetable fat and bio-oil, and biology
Base monomer will not be impacted because of source on the influence of the performance of adhesive, is only determined by the structure of bio-based monomer.
Optionally, the function monomer includes but is not limited to: acrylate monomer and acrylic acid, methacrylic acid, third
At least two in acrylamide.It is wherein required in function monomer containing acrylate monomer at least one, according to one or more
The different Tg values and polarity of acrylate monomer are arranged in pairs or groups, and the adhesive of required Tg value and performance is obtained；Wherein acrylic acid and methyl
The cohesive force and viscosity of acrylic acid main lift adhesive, the property of can choose addition；Acrylamide main lift adhesion strength, adds
Dosage is usually no more than 5%.
Optionally, the acrylate monomer includes but is not limited to: methyl acrylate, ethyl acrylate, propyl acrylate,
N-butyl acrylate, Isooctyl acrylate monomer, decyl acrylate, lauryl acrylate, 2-Hydroxy ethyl acrylate, acrylic acid
Isobornyl thiocyanoacetate, aliphatic acrylate, octadecyl acrylate, methyl methacrylate, ethyl methacrylate, methyl
The different certain herbaceous plants with big flowers ester of propyl acrylate, n-BMA, isooctyl methacrylate, methacrylic acid, lauryl
Ester, methacrylic acid -2- hydroxy methacrylate, isobornyl methacrylate, methacrylic acid cetyl ester, methacrylic acid ten
Eight Arrcostabs etc..
Optionally, the molecular weight regulator includes but is not limited to: thio-alcohol, 3- isooctyl mercaptopropionate, 2,4- hexichol
One or more of base -4-methyl-1-pentene.And the thio-alcohol includes but is not limited to n-dodecyl mercaptan.
Optionally, the photoinitiator be free radical photo-initiation, such as, but not limited to photoinitiator 1173/907/184,
Photoinitiator TPO, photoinitiator ITX, photoinitiator 819/127/369 etc..
Embodiment 2
Fig. 1 is the preparation technology flow chart of high Bio-based content adhesive of the invention.
As shown in Figure 1, on the basis of embodiment 1, the present embodiment 2 additionally provides a kind of preparation method of adhesive, packet
Include following steps: the function monomer of high Bio-based content is added into reaction vessels, and is passed through inert gas by step S1, with shape
At protection atmosphere；Photoinitiator is added in step S2；Step S4, molecular weight regulator is added in selection, to adjust molecular weight distribution；
And step S5, ultraviolet light carry out polymerization reaction, obtain the adhesive, and the Tg value of the adhesive -60 DEG C to -
Between 10 DEG C, if Tg value is -40 DEG C or -20 DEG C；Its viscosity is 500-5000cps, is chosen as 2000cps or 4000cps.Wherein
The Tg value of adhesive depend on each Tg value using monomer, viscosity then with react raising temperature it is related.
Optionally, the radiation intensity of the ultraviolet light is not less than 1.0mW/cm2, if the radiation intensity of ultraviolet light is 3.0mW/
cm2Or 5.0mW/cm2, too low radiation intensity can make reaction rate excessively slow, not be suitable for industrial production；The raising of polymerization reaction
Temperature is controlled at 2 DEG C -15 DEG C, is chosen as 5 DEG C or 10 DEG C, raising temperature is too low, and adhesive viscosity is too low, is not suitable for subsequent painting
The techniques such as cloth；Increase temperature it is excessively high to will lead to the reaction time elongated, and viscosity is excessive, is not suitable for the works such as subsequent coating equally
Skill.
Constituent content and specific implementation process about adhesive are discussed referring to the correlation in embodiment 1, no longer superfluous herein
It states.
Embodiment 3
On the basis of embodiment 1, the present embodiment 3 additionally provides a kind of pressure sensitive adhesive tape, comprising: substrate is located at substrate table
The adhesive layer in face.
Optionally, the substrate can be, but not limited to release paper.
Constituent content and specific implementation process about adhesive are discussed referring to the correlation in embodiment 1, no longer superfluous herein
It states.
It can according to need the parameters such as the Tg value of adhesive and the Tg value of monomer, calculate the formula composition of adhesive, because
This, the formula composition of adhesive can be there are many embodiment.As space is limited, the reality of embodiment 4-6 is only provided in this application
Mode is applied, each component content is parts by weight by reference and in embodiment 4-6.
Embodiment 4
(1) by the Isooctyl acrylate monomer of 65 parts of high Bio-based contents, the n-butyl acrylate of 11 parts of high Bio-based contents, 10
The 2-Hydroxy ethyl acrylate and 14 parts of acrylic acid of the high Bio-based content of part are added in reaction vessels, are sufficiently stirred；
(2) inert nitrogen gas is passed through into reaction vessels；
(3) 0.3 part of photoinitiator 184 is added；
(4) 0.2 part of molecular weight regulator lauryl mercaptan is added, is sufficiently stirred；
(5) in the case where keeping nitrogen to be passed through, using ultraviolet light reaction vessels, radiation intensity is not less than 2.0mW/
cm2, it is 5 DEG C that control liquid reactions, which increase temperature,；The adhesive of viscosity 1300cps is obtained, tests its Tg value at -46 DEG C.
Embodiment 5
(1) n-butyl acrylate of the methacrylic acid of 12 parts of high Bio-based contents, 88 parts of high Bio-based contents is added
In reaction vessels, it is sufficiently stirred；
(2) inert nitrogen gas is passed through into reaction vessels；
(3) 0.01 part of photoinitiator 907 is added, is sufficiently stirred；
(4) 1 part of molecular weight regulator 3- isooctyl mercaptopropionate is added, is sufficiently stirred；
(5) in the case where keeping nitrogen to be passed through, using ultraviolet light reaction vessels, radiation intensity is not less than 5.0mW/
cm2, it is 2 DEG C that control liquid reactions, which increase temperature, obtains the adhesive.
Embodiment 6
(1) by the methyl acrylate of 5 parts of high Bio-based contents, the n-propyl of 70 parts of high Bio-based contents, 25 parts
Isobornyl methacrylate is added in reaction vessels, is sufficiently stirred；
(2) inert nitrogen gas is passed through into reaction vessels；
(3) 1 part of photoinitiator TPO is added；
(4) it is added without molecular weight regulator；
(5) in the case where keeping nitrogen to be passed through, using ultraviolet light reaction vessels, radiation intensity is not less than 8mW/
cm2, it is 15 DEG C that control liquid reactions, which increase temperature, obtains the adhesive.
In conclusion adhesive of high Bio-based content of the application and preparation method thereof, pressure sensitive adhesive tape use high biology
The function monomer of base content is matched as Material synthesis by control function monomer and the content of molecular weight regulator, photoinitiator
Than can effectively adjust the Tg value of glutinous agent and glue in conjunction with technological parameters such as radiation intensity, the temperature of polymerization reaction of ultraviolet light
Degree makes adhesive have moderate Tg value, moderate hardness, moderate viscosity and excellent voltage-dependent characteristic, convenient for preparing all kinds of pressure sensitive adhesives
Band, especially in preparation or subsequent use process, there is no organic pollutants to volatilize, the feature of environmental protection with higher.In addition, raw
Object base monomer generally uses the renewable raw material such as borneol, rosin, vegetable oil to extract, and is not easy to cause resource exhaustion, meeting can hold
Supervention exhibition.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (9)
1. a kind of adhesive, which is characterized in that the formula of the adhesive, which forms, includes:
The function monomer of high Bio-based content: 100 parts；
Molecular weight regulator: 0-1 parts；And
Photoinitiator: 0.01-1 parts.
2. adhesive according to claim 1, which is characterized in that
The content accounting of biology base is not less than 70% in the function monomer.
3. adhesive according to claim 2, which is characterized in that
The function monomer includes: acrylate monomer and acrylic acid, methacrylic acid, at least two in acrylamide.
4. adhesive according to claim 1, which is characterized in that
The molecular weight regulator includes: thio-alcohol, 3- isooctyl mercaptopropionate, in 2,4- diphenyl -4-methyl-1-pentene
It is one or more of.
5. adhesive according to claim 1, which is characterized in that
The photoinitiator is free radical photo-initiation.
6. a kind of preparation method of adhesive characterized by comprising
The function monomer of high Bio-based content is added into reaction vessels, and is passed through inert gas, to form protection atmosphere；
Photoinitiator is added；
Molecular weight regulator is added in selection, to adjust molecular weight distribution；And
Ultraviolet light carries out polymerization reaction, obtains the adhesive.
7. preparation method according to claim 1, which is characterized in that
The radiation intensity of the ultraviolet light is not less than 1.0 mW/cm2；The raising temperature of polymerization reaction is controlled at 2 DEG C -15 DEG C.
8. preparation method according to claim 6, which is characterized in that
The Tg value of the adhesive is between -60 DEG C to -10 DEG C, viscosity 500-5000cps.
9. a kind of pressure sensitive adhesive tape characterized by comprising
Substrate, the adhesive layer positioned at substrate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929850.2A CN110511701A (en) | 2019-09-29 | 2019-09-29 | Adhesive of high Bio-based content and preparation method thereof, pressure sensitive adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929850.2A CN110511701A (en) | 2019-09-29 | 2019-09-29 | Adhesive of high Bio-based content and preparation method thereof, pressure sensitive adhesive tape |
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| Publication Number | Publication Date |
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| CN110511701A true CN110511701A (en) | 2019-11-29 |
Family
ID=68632839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910929850.2A Pending CN110511701A (en) | 2019-09-29 | 2019-09-29 | Adhesive of high Bio-based content and preparation method thereof, pressure sensitive adhesive tape |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112266732A (en) * | 2020-10-28 | 2021-01-26 | 江苏皇冠新材料科技有限公司 | Ultraviolet-curing bio-based pressure-sensitive adhesive, pressure-sensitive adhesive tape and preparation method thereof |
| CN112920721A (en) * | 2021-01-26 | 2021-06-08 | 四川羽玺新材料股份有限公司 | Low-surface-energy adhesive tape with high bio-based content and preparation method thereof |
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| CN112920721A (en) * | 2021-01-26 | 2021-06-08 | 四川羽玺新材料股份有限公司 | Low-surface-energy adhesive tape with high bio-based content and preparation method thereof |
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Application publication date: 20191129 |