CN114085632B - Multi-block copolymer aqueous pressure-sensitive adhesive and preparation method thereof - Google Patents
Multi-block copolymer aqueous pressure-sensitive adhesive and preparation method thereof Download PDFInfo
- Publication number
- CN114085632B CN114085632B CN202111296381.9A CN202111296381A CN114085632B CN 114085632 B CN114085632 B CN 114085632B CN 202111296381 A CN202111296381 A CN 202111296381A CN 114085632 B CN114085632 B CN 114085632B
- Authority
- CN
- China
- Prior art keywords
- sensitive adhesive
- parts
- weight
- pressure
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
- C08F293/005—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2438/00—Living radical polymerisation
- C08F2438/03—Use of a di- or tri-thiocarbonylthio compound, e.g. di- or tri-thioester, di- or tri-thiocarbamate, or a xanthate as chain transfer agent, e.g . Reversible Addition Fragmentation chain Transfer [RAFT] or Macromolecular Design via Interchange of Xanthates [MADIX]
Abstract
The invention relates to the technical field of high polymer materials and discloses a multi-block copolymer aqueous pressure-sensitive adhesive and a preparation method thereof. The invention adopts an emulsion polymerization system and applies a reversible addition fragmentation chain transfer free radical polymerization technology to prepare the styrene-acrylate multi-block copolymer aqueous pressure-sensitive adhesive. The invention improves the initial adhesive property of the pressure-sensitive adhesive by coating the surface of the copolymer latex particle with the polyacrylate chain segment which can move freely, constructs a physical crosslinking network structure by the polystyrene chain segment with high glass transition temperature in the copolymer latex particle and the polyacrylate block which is intertwined with each other in the middle to improve the adhesive property of the pressure-sensitive adhesive, realizes good peel strength of the pressure-sensitive adhesive by controllably adjusting the molecular chain structure composition, solves the problem that the prior common water-based pressure-sensitive adhesive is difficult to give consideration to the properties, and has huge application prospect.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a multi-block copolymer water-based pressure-sensitive adhesive and a preparation method thereof.
Background
The Pressure Sensitive Adhesive (PSA) is a pressure sensitive adhesive, can form good adhesion to an adherend by applying small pressure within short contact time without solvents, heat or other means, and is widely applied to the industries of packaging, building materials, electrical appliances, medical treatment and the like. The pressure-sensitive adhesive mainly comprises natural rubber, styrene butadiene rubber and polyacrylate, and compared with the former two types, the polyacrylate pressure-sensitive adhesive has the characteristics of excellent aging resistance, heat resistance and the like, and has a wide application prospect.
The polyacrylate pressure-sensitive adhesive mainly comprises a solvent-type pressure-sensitive adhesive and a water-based pressure-sensitive adhesive, wherein the water-based pressure-sensitive adhesive is simple in preparation process, low in cost, free of organic solvent, safe and environment-friendly, and is the research focus of the current polyacrylate pressure-sensitive adhesive. The ideal pressure-sensitive adhesive must have excellent initial tack, permanent tack and peel strength, but the existing synthesis method of the water-based polyacrylate pressure-sensitive adhesive mostly adopts random copolymerization of acrylate monomers, the three performances are difficult to be considered, and the adhesive performance of the pressure-sensitive adhesive can be improved to a certain extent by combining tackifying resin blending, but the method is not ideal in molecular structure design, has limited improvement effect, and still has a certain difference compared with solvent-based pressure-sensitive adhesives. Therefore, how to further improve the adhesive properties such as initial adhesion, permanent adhesion and peel strength is a difficult point in the research of the aqueous pressure-sensitive adhesive.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multi-block copolymer aqueous pressure-sensitive adhesive with excellent initial adhesion, permanent adhesion and peeling strength and a preparation method thereof.
(II) technical scheme
In order to realize the purpose of the invention, the following technical scheme is adopted:
the water-based pressure-sensitive adhesive of the segmented copolymer is characterized by comprising the following raw materials in parts by weight: 30-80 parts of styrene-acrylate copolymer emulsion and 1-5 parts of wetting agent.
The styrene-acrylate copolymer emulsion contains a styrene-acrylate multi-block copolymer, and the structural formula is shown as the formula (I) or (II) or (III):
wherein x is the average polymerization degree of A, y is the average polymerization degree of B, m and p are the average polymerization degree of D, n is the average polymerization degree of E, x =10-20, y =20-40, m =200-500, n =100-200, p =200-500;
chain link
The structure of (A) is shown as formula (IV) or (V):
chain link
The structure of (VI) is shown as formula (VII):
chain link
The structure of (A) is shown as formula (VIII) or (IX):
chain link
The structure of (A) is shown as formula (X):
the preparation method of the styrene-acrylate copolymer emulsion comprises the following steps:
stirring and dissolving 1.0-3.0 parts by weight of macromolecular trithiocarbonate compound in 100-300 parts by weight of water to form a water phase, adding 60-100 parts by weight of monomer D, and stirring for 15-30min to obtain an emulsified dispersion liquid; heating the obtained emulsified dispersion liquid to 60-80 ℃ under an inert atmosphere, adding 0.04-0.08 part by weight of water-soluble initiator, polymerizing for 1-2.5 hours, adding 30-60 parts by weight of E monomer and 100-200 parts by weight of water, continuing to polymerize for 2-4 hours, adding 60-100 parts by weight of D monomer and 100-300 parts by weight of water, and continuing to polymerize for 2-4 hours to obtain the styrene-acrylate copolymer emulsion.
The structural formula of the macromolecular trithiocarbonate compound is shown as the following formula (XI) or (XII) or (XIII):
the water-soluble initiator is ammonium persulfate or potassium persulfate.
The wetting agent is selected from one or two of acetylene glycol surfactant and ethanol and glycol, the mass ratio of the acetylene glycol surfactant to the ethanol to the glycol is 1 (0-24) to (0-24), and at least one of the ethanol and the glycol is not 0.
(III) advantageous effects
Compared with the prior art, the invention provides a multi-block copolymer water-based pressure-sensitive adhesive and a preparation method thereof, and the multi-block copolymer water-based pressure-sensitive adhesive has the following beneficial effects: according to the invention, the surface of the copolymer latex particle is coated with the polyacrylate chain segment which can move freely so as to improve the initial adhesion performance of the pressure-sensitive adhesive, the polystyrene chain segment with high glass transition temperature in the copolymer latex particle and the polyacrylate block which is wound with each other in the middle are used for constructing a physically-crosslinked elastomer network structure so as to improve the adhesion maintaining performance of the pressure-sensitive adhesive, the good peel strength of the pressure-sensitive adhesive is realized by controllably adjusting the composition of the molecular chain structure, the problem that the performances are difficult to be considered in the conventional common water-based pressure-sensitive adhesive is solved, and the pressure-sensitive adhesive has a huge application prospect.
Drawings
FIG. 1 is a DSC plot of a styrene-acrylate multi-block copolymer of example 1 of the present invention;
FIG. 2 is a DSC differential curve of styrene-acrylate multi-block copolymer of example 1 of the present invention
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in further detail below.
The particle size and particle size distribution of the styrene-acrylate copolymer emulsion were determined using a Malvern ZETASIZER 3000HAS nanometer laser particle sizer.
The glass transition temperature of the copolymer was measured using a TAQ200 differential scanning calorimeter, heated from-90 ℃ to 150 ℃ at a ramp rate of 10 ℃/min using a nitrogen atmosphere, and each sample was subjected to a heat history elimination prior to the test.
Preparation and performance test of multi-block copolymer aqueous pressure-sensitive adhesive sample
The multiblock copolymer aqueous pressure-sensitive adhesive was coated on a polyethylene terephthalate (PET) film having a thickness of 50 μm, and vacuum-dried at 60 ℃ to obtain a pressure-sensitive adhesive tape.
The initial viscosity of the multi-block copolymer water-based pressure-sensitive adhesive is measured by a JXHG820 adhesive tape initial viscosity tester according to GB/T4852-2002.
The tack of the aqueous pressure-sensitive adhesive of the multiblock copolymer was measured according to GB/T4851-2014 using a BST5210 tape tack tester.
The 180 DEG peel strength of the multi-block copolymer water-based pressure-sensitive adhesive is measured by adopting a SANS CMT6502 universal material testing machine according to GB/T2792-2014.
The first embodiment is as follows:
a multi-block copolymer water-based pressure-sensitive adhesive comprises the following raw materials in parts by weight: 30 parts of styrene-acrylate copolymer emulsion, 0.04 part of acetylene glycol surfactant (Surfynol 104E) and 0.96 part of ethanol.
The styrene-acrylate copolymer emulsion contains a styrene-acrylate multi-block copolymer, and the structural formula is shown as a formula (I), wherein x is the average polymerization degree of A, y is the average polymerization degree of B, m and p are the average polymerization degrees of D, n is the average polymerization degree of E, x =10, y =20, m =100, n =100 and p =100.
Chain link
The structure of (A) is shown as formula (IV).
Chain link
The structure of (A) is shown as formula (VI).
Chain link
The structure of (A) is shown as a formula (VIII).
Chain link
The structure of (A) is shown as formula (X).
The preparation method of the styrene-acrylate copolymer emulsion comprises the following steps:
3.0 parts by weight of a macromolecular trithiocarbonate compound was dissolved in 100 parts by weight of water with stirring to form an aqueous phase, and 60 parts by weight of a D monomer was added thereto and stirred for 15min to obtain an emulsified dispersion. Heating the obtained emulsified dispersion liquid to 60 ℃ under an inert atmosphere, adding 0.04 parts by weight of potassium persulfate, polymerizing for 1 hour, adding 30 parts by weight of E monomer and 100 parts by weight of water, continuing to polymerize for 2 hours, adding 60 parts by weight of D monomer and 100 parts by weight of water, and continuing to polymerize for 2 hours to obtain the styrene-acrylate copolymer emulsion.
The structural formula of the macromolecular trithiocarbonate compound is shown as a formula (XI).
Example two:
a multi-block copolymer water-based pressure-sensitive adhesive comprises the following raw materials in parts by weight: 80 parts of styrene-acrylate copolymer emulsion, 0.2 part of acetylene glycol surfactant (Surfynol 104E) and 4.8 parts of ethylene glycol.
The styrene-acrylate copolymer emulsion contains a styrene-acrylate multi-block copolymer, and the structural formula is shown as a formula (II), wherein x is the average polymerization degree of A, y is the average polymerization degree of B, m and p are the average polymerization degrees of D, n is the average polymerization degree of E, x =20, y =40, m =500, n =200, and p =500.
Chain link
The structure of (A) is shown as formula (V).
Chain link
The structure of (A) is shown as a formula (VII).
Chain link
Has a structure shown in formula (IX)。
Chain link
The structure of (A) is shown as formula (X).
The preparation method of the styrene-acrylate copolymer emulsion comprises the following steps:
1.0 part by weight of a macromolecular trithiocarbonate compound was dissolved in 300 parts by weight of water with stirring to form an aqueous phase, and 100 parts by weight of a D monomer was added thereto and stirred for 30 minutes to obtain an emulsified dispersion. Heating the obtained emulsified dispersion liquid to 80 ℃ under an inert atmosphere, adding 0.08 weight part of ammonium polysulfate, polymerizing for 2.5 hours, adding 60 weight parts of E monomer and 200 weight parts of water, continuing to polymerize for 4 hours, adding 100 weight parts of D monomer and 300 weight parts of water, and continuing to polymerize for 4 hours to obtain the styrene-acrylate copolymer emulsion.
The structural formula of the macromolecular trithiocarbonate compound is shown as a formula (XII).
Example three:
a multi-block copolymer water-based pressure-sensitive adhesive comprises the following raw materials in parts by weight: 50 parts of styrene-acrylate copolymer emulsion, 0.2 part of acetylene glycol surfactant (Surfynol 104E), 1.9 parts of ethanol and 1.9 parts of ethylene glycol.
The styrene-acrylate copolymer emulsion contains a styrene-acrylate multi-block copolymer, and the structural formula is shown as a formula (III), wherein x is the average polymerization degree of A, y is the average polymerization degree of B, m and p are the average polymerization degrees of D, n is the average polymerization degree of E, x =10, y =30, m =300, n =100 and p =300;
chain link
The structure of (D) is shown as formula (V).
Chain link
The structure of (A) is shown as formula (VI).
Chain link
The structure of (A) is shown as formula (IX).
Chain link
The structure of (A) is shown as formula (X).
The preparation method of the styrene-acrylate copolymer emulsion comprises the following steps:
2.0 parts by weight of a macromolecular trithiocarbonate compound was dissolved in 300 parts by weight of water with stirring to form an aqueous phase, and 100 parts by weight of a D monomer was added thereto and stirred for 30 minutes to obtain an emulsified dispersion. Heating the obtained emulsified dispersion liquid to 70 ℃ under an inert atmosphere, adding 0.08 part by weight of potassium persulfate, polymerizing for 2 hours, adding 30 parts by weight of E monomer and 100 parts by weight of water, continuing to polymerize for 3 hours, adding 100 parts by weight of D monomer and 300 parts by weight of water, and continuing to polymerize for 4 hours to obtain the styrene-acrylate copolymer emulsion.
The structural formula of the macromolecular trithiocarbonate compound is shown as a formula (XIII).
Comparative example 1
A multi-block copolymer water-based pressure-sensitive adhesive comprises the following raw materials in parts by weight: 30 parts of styrene-acrylate copolymer emulsion, 0.04 part of acetylene glycol surfactant (Surfynol 104E) and 0.96 part of ethanol.
The styrene-acrylate copolymer emulsion contains a styrene-acrylate random copolymer, and the preparation method comprises the following steps:
3.0 parts by weight of a macromolecular trithiocarbonate compound was dissolved in 300 parts by weight of water with stirring to form an aqueous phase, and 120 parts by weight of a D monomer and 30 parts by weight of an E monomer were added thereto and stirred for 15 minutes to obtain an emulsified dispersion. Heating the obtained emulsified dispersion liquid to 60 ℃ under an inert atmosphere, adding 0.04 weight part of potassium persulfate, and polymerizing for 4 hours to obtain the styrene-acrylate copolymer emulsion.
The structural formula of the macromolecular trithiocarbonate compound is shown as a formula (XI), wherein x is the average polymerization degree of A, y is the average polymerization degree of B, x =10, and y =20.
Chain link
The structure of (A) is shown as formula (IV).
Chain link
The structure of (A) is shown as formula (VI).
The results of the particle size test of the styrene-acrylate copolymer emulsion in the aqueous pressure-sensitive adhesive described in examples 1 to 3 and comparative example 1 are shown in table 1.
The results of the performance test of the aqueous pressure-sensitive adhesives described in examples 1 to 3 and comparative example 1 are shown in table 2.
TABLE 1
| Test items | Example 1 | Example 2 | Example 3 | Comparative example 1 |
| Number average particle size (nm) | 95 | 145 | 113 | 93 |
TABLE 2
| Test items | Example 1 | Example 2 | Example 3 | Comparative example 1 |
| Initial viscosity (ball) | 3-4 | 3-4 | 3-4 | 4 |
| Hold-stick (hours) | >12 | >12 | >12 | <6 |
| 180 degree peel strength (N) | 7.9 | 9.5 | 10.7 | 8.4 |
| Form of destruction | Interfacial destruction | Interfacial destruction | Interfacial destruction | Cohesive failure |
As shown in Table 2, the multiblock copolymer aqueous pressure-sensitive adhesive prepared by the method of the present invention has excellent initial adhesion, permanent adhesion, peel strength, and other adhesive properties, and the adhesive layer is damaged in an interfacial manner. Compared with the test results of the example 1 and the comparative example 1 with the same raw material composition, the example 1 is basically the same as the comparative example 1 in initial viscosity and 180-degree peel strength, but is obviously superior to the comparative example 1 in viscosity retention and damage form, and the physical crosslinking network constructed by the molecular structure design of the copolymer can effectively improve the cohesive strength of the pressure-sensitive adhesive and avoid the residual adhesive during peeling, so that the multi-block copolymer aqueous pressure-sensitive adhesive prepared by the method has wide application prospect.
The above examples are merely illustrative for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. The water-based pressure-sensitive adhesive of the segmented copolymer is characterized by comprising the following raw materials in parts by weight: 30-80 parts of styrene-acrylate copolymer emulsion and 1-5 parts of wetting agent; the styrene-acrylate copolymer emulsion contains a styrene-acrylate multi-block copolymer, and the structural formula is shown as the formula (I) or (II) or (III):
wherein x is the average polymerization degree of A, y is the average polymerization degree of B, m and p are the average polymerization degree of D, n is the average polymerization degree of E, x =10-20, y =20-40, m =200-500, n =100-200, p =200-500;
chain link
The structure of (A) is shown as formula (IV) or (V):
chain link
The structure of (A) is shown as formula (VI) or (VII):
chain link
The structure of (A) is shown as formula (VIII) or (IX):
chain link
The structure of (A) is shown as formula (X):
2. the aqueous multi-block copolymer pressure-sensitive adhesive according to claim 1, wherein the styrene-acrylate copolymer emulsion is prepared by the following method:
stirring and dissolving 1.0-3.0 parts by weight of macromolecular trithiocarbonate compound in 100-300 parts by weight of water to form a water phase, adding 60-100 parts by weight of monomer D, and stirring for 15-30min to obtain an emulsified dispersion liquid; heating the obtained emulsified dispersion liquid to 60-80 ℃ under an inert atmosphere, adding 0.04-0.08 part by weight of water-soluble initiator, polymerizing for 1-2.5 hours, adding 30-60 parts by weight of E monomer and 100-200 parts by weight of water, continuing to polymerize for 2-4 hours, adding 60-100 parts by weight of D monomer and 100-300 parts by weight of water, and continuing to polymerize for 2-4 hours to obtain the styrene-acrylate copolymer emulsion.
3. The aqueous multi-block copolymer pressure-sensitive adhesive of claim 2, wherein the macromolecular trithiocarbonate compound has the formula (XI) or (XII) or (XIII):
4. the aqueous multi-block copolymer pressure-sensitive adhesive according to claim 2, wherein the water-soluble initiator is ammonium persulfate or potassium persulfate.
5. The aqueous pressure-sensitive adhesive of claim 1, wherein the wetting agent is selected from one or two of acetylene glycol surfactant and ethanol and ethylene glycol, the mass ratio of the acetylene glycol surfactant to the ethanol to the ethylene glycol is 1 (0-24) to (0-24), and at least one of the ethanol and the ethylene glycol is not 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296381.9A CN114085632B (en) | 2021-11-03 | 2021-11-03 | Multi-block copolymer aqueous pressure-sensitive adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296381.9A CN114085632B (en) | 2021-11-03 | 2021-11-03 | Multi-block copolymer aqueous pressure-sensitive adhesive and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114085632A CN114085632A (en) | 2022-02-25 |
| CN114085632B true CN114085632B (en) | 2022-12-23 |
Family
ID=80298828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111296381.9A Active CN114085632B (en) | 2021-11-03 | 2021-11-03 | Multi-block copolymer aqueous pressure-sensitive adhesive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114085632B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023215435A1 (en) * | 2022-05-06 | 2023-11-09 | Basf Se | Acrylic emulsions with inherent matte property |
| CN115260921B (en) * | 2022-07-06 | 2023-06-09 | 浙江大学 | OCA optical pressure-sensitive adhesive and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312138A (en) * | 2017-07-25 | 2017-11-03 | 杭州海维特化工科技有限公司 | A kind of preparation method for the response type latex film for possessing Microphase Structure |
| CN111117535A (en) * | 2020-01-03 | 2020-05-08 | 浙江大学 | Rosin modified acrylate-styrene multi-block copolymer aqueous pressure-sensitive adhesive and preparation process thereof |
| CN113451642A (en) * | 2021-06-04 | 2021-09-28 | 漳州万宝能源科技股份有限公司 | Chemical crosslinking gradient-block copolymer membrane for preparing polymer gel electrolyte and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10129612A1 (en) * | 2001-06-20 | 2003-01-09 | Tesa Ag | PSA, especially for non-polar surfaces |
-
2021
- 2021-11-03 CN CN202111296381.9A patent/CN114085632B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312138A (en) * | 2017-07-25 | 2017-11-03 | 杭州海维特化工科技有限公司 | A kind of preparation method for the response type latex film for possessing Microphase Structure |
| CN111117535A (en) * | 2020-01-03 | 2020-05-08 | 浙江大学 | Rosin modified acrylate-styrene multi-block copolymer aqueous pressure-sensitive adhesive and preparation process thereof |
| CN113451642A (en) * | 2021-06-04 | 2021-09-28 | 漳州万宝能源科技股份有限公司 | Chemical crosslinking gradient-block copolymer membrane for preparing polymer gel electrolyte and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114085632A (en) | 2022-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114085632B (en) | Multi-block copolymer aqueous pressure-sensitive adhesive and preparation method thereof | |
| TWI475085B (en) | Touch panel | |
| CN109134745B (en) | Solvent-free polymerization production technology for preparing (methyl) acrylic acid-polyester block copolymer | |
| JP6204633B2 (en) | Adhesive composition and adhesive sheet | |
| EP3122833A1 (en) | Ultraviolet cured (meth)acrylate pressure-sensitive adhesive composition and process for producing thereof | |
| CN112126389B (en) | Plasticizer migration resistant aqueous pressure-sensitive adhesive and preparation method thereof | |
| JP6475240B2 (en) | Adhesive composition, adhesive sheet, adhesive film, laminate for touch panel, capacitive touch panel | |
| CN111019550A (en) | High-viscosity antistatic adhesive tape | |
| KR20180002756A (en) | Acrylic emulsion adhesive | |
| TWI830519B (en) | Adhesive sheet for flexible display, laminate and method for manufacturing flexible display | |
| CN108559427B (en) | High-temperature-resistant pressure-sensitive adhesive with excellent performance, pressure-sensitive adhesive tape and preparation method of pressure-sensitive adhesive tape | |
| JP2019512560A (en) | Polymer composition | |
| JP7383600B2 (en) | Water-based pressure-sensitive adhesive composition and method for producing the same | |
| WO2022188268A1 (en) | (meth)acrylic acid polymer containing crosslinkable functional group at terminal position | |
| KR102577386B1 (en) | Adhesive composition and method of forming same | |
| WO2017101105A1 (en) | Curable adhesive composition as well as adhesive tapes and products produced therefrom | |
| JP3809314B2 (en) | Aqueous pressure-sensitive adhesive composition, production method thereof, and pressure-sensitive adhesive tape or pressure-sensitive adhesive label | |
| KR101535564B1 (en) | Starch-based polymer particle emulsion for pressure-sensitive adhesive and manufacturing method thereof | |
| JP4267329B2 (en) | Polymer solution for (meth) acrylic adhesive and method for producing the same, (meth) acrylic adhesive, and (meth) acrylic adhesive tape | |
| CN109837023A (en) | Heat sealable adhesive tape and its manufacturing method | |
| CN109762486A (en) | A kind of pressure-sensitive adhesive making flexible PVC electrical adhesive tape and its processing method | |
| Jiang et al. | Preparation and properties of environment-friendly acrylic latex laminating adhesives applied in plastic/plastic composite films | |
| CN109536076A (en) | A kind of UV solidified pressure-sensitive of medium peel strength and preparation method thereof | |
| CN109554155B (en) | Printable, radiation-curable adhesive composition and use thereof | |
| KR20170092742A (en) | Preparing Method of Acrylic Pressure Sensitive Adhesive Using Alkali-Soluble Resin as a Polymeric Emulsifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |