CN109852262A - A kind of preparation method of pressure-sensitive adhesive coated sheet material - Google Patents
A kind of preparation method of pressure-sensitive adhesive coated sheet material Download PDFInfo
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- CN109852262A CN109852262A CN201711244422.3A CN201711244422A CN109852262A CN 109852262 A CN109852262 A CN 109852262A CN 201711244422 A CN201711244422 A CN 201711244422A CN 109852262 A CN109852262 A CN 109852262A
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Abstract
A kind of preparation method of pressure-sensitive adhesive coated sheet material of the present invention comprising the steps of: a. polymerization includes adhesive mixture below: (1) at least the one of 10 to 50 weight % has the high-carbon alkyl acrylate of the alkyl of 12 to 26 carbon atoms；At least the one of (2) 50 to 90 weight % has the low-carbon alkyl acrylate of the alkyl of 4 to 12 carbon atoms, and wherein the alkyl of the low-carbon and high-carbon alkyl acrylate does not have 12 carbon atoms simultaneously；And (3) excessive crosslinking agent；B. it coats and the dry adhesive is on the sheet material；And c. exposes the adhesive and cures the adhesive in ultraviolet light.
Description
Technical field
The present invention relates to a kind of adhesive, especially a kind of adhesive of acrylic pressure sensitive, adhesive coated sheet material
And the preparation method of coated sheet.
Background technique
It can use for a long time and removable presser sensor adhesive (PSA) has many commercial uses after use.Example
Such as, Covering adhesive tapes, can remove label or office note, protective film and medical adhesive tape must quickly be attached to respectively metal, paper,
Plastics and skin, but also must smoothly be removed from these objects, without leaving adhesive residue or damaging the surface of object.
Adhesive can preferably be removed depending on physical surface characteristics, remove acrylic pressure sensitive glue to permanent at present
There are still larger demand, existing preparation method and application to have been unable to meet demand for stick.
Summary of the invention
To solve existing technical problem, the purpose of the present invention is to provide a kind of gluings of acrylic pressure sensitive
Agent, adhesive coated sheet material and coated sheet preparation method.
To achieve the goals above, a kind of gluing for acrylic pressure sensitive that the embodiment of the present invention provides on one side
Agent includes: (1) at least the one of 10 to 50 weight % has the high-carbon alkyl acrylate of the alkyl of 12 to 26 carbon atoms；(2)
At least the one of 50 to 90 weight % has the low-carbon alkyl acrylate of the alkyl of 4 to 12 carbon atoms, wherein the low-carbon and height
The alkyl of carbon alkyl acrylate does not have 12 carbon atoms simultaneously；And (3) excessive crosslinking agent.
Preferably, wherein the alkyl of the low-carbon alkyl acrylate is straight chain and has 4 to 8 carbon atoms.
Preferably, wherein the alkyl of the high-carbon alkyl acrylate has 13 to 26 carbon atoms.
Preferably, wherein the crosslinking agent be selected from polyfunctional acrylic ester, multifunctional methacrylate, benzophenone,
Acetophenone, silane and single vinylation unsaturation aromatic ketone.
Preferably, wherein the crosslinking agent includes the adhesive of 0.05 to 1.0 weight %.
Preferably, wherein the adhesive includes the high-carbon alkyl acrylate of 30 to 50 weight %；50 to 70 weights
Measure the low-carbon alkyl acrylate of % and the crosslinking agent of 0.1 to 0.5 weight %.
The other side of the embodiment of the present invention provides a kind of adhesive coated sheet material, is coated on its at least a surface
Include adhesive compound below: (1) at least the one of 10 to 50 weight % has the high-carbon of the alkyl of 12 to 26 carbon atoms
Alkyl acrylate；At least the one of (2) 50 to 90 weight % has the low-carbon alkyl acrylic acid of the alkyl of 4 to 12 carbon atoms
Ester, wherein the alkyl of the low-carbon and high-carbon alkyl acrylate does not have 12 carbon atoms simultaneously；And (3) excessive crosslinking agent.
Preferably, wherein the adhesive includes the high-carbon alkyl acrylate of 30 to 50 weight %；50 to 70 weights
Measure the low-carbon alkyl acrylate of % and the crosslinking agent of 0.05 to 1.0 weight %.
Preferably, wherein the crosslinking agent includes the adhesive of 0.1 to 0.5 weight %.
Preferably, wherein the alkyl of the high-carbon alkyl acrylate has 13 to 26 carbon atoms.
Preferably, wherein the crosslinking agent be selected from polyfunctional acrylic ester, multifunctional methacrylate, benzophenone,
Silane and single vinylation unsaturation aromatic ketone.
Specific embodiment
Technical solution of the present invention is further described in detail below.
Unless otherwise described, noun " acrylate ", it is intended that contain methacrylate in addition to acrylate.
Permanent removability acrylic pressure sensitive adhesive of the invention includes: (1) about 10 to about 50 weight % are extremely
The few one high-carbon alkyl acrylate with 12 to 26 carbon atoms；(2) at least the one of about 50 to about 90 weight % have 4 to
The low-carbon alkyl acrylate of 12 carbon atoms, wherein the height and low-carbon alkyl acrylate do not have 12 carbon atoms simultaneously
Alkyl chain；And (3) excessive crosslinking agent is to give the enough bond strengths of adhesive to prevent substantial adhesive from shifting.
In a specific embodiment of the invention, low-carbon alkyl acrylate is straight chain and the alkane with 4 to 8 carbon atoms
Base.
In another embodiment of the present invention, low-carbon alkyl acrylate with branch and has 4 to 12 carbon originals
The alkyl of son.
In a preferred embodiment of the invention, high-carbon alkyl acrylate is with branch and has 13 to 26
The alkyl of carbon atom.
The present invention also provide be coated with can permanently remove, the pressure-sensitive adhesive coated of acrylic adhesive compositions
Sheet material.
In addition, the embodiment of the invention also provides the preparation methods of coated sheet.
Specifically, in some embodiments, a kind of preparation method of pressure-sensitive adhesive coated sheet material, comprising following
Step:
A. polymerization includes adhesive mixture below: (1) at least the one of 10 to 50 weight % has 12 to 26 carbon originals
The high-carbon alkyl acrylate of the alkyl of son；At least the one of (2) 50 to 90 weight % has the alkyl of 4 to 12 carbon atoms
Low-carbon alkyl acrylate, wherein the alkyl of the low-carbon and high-carbon alkyl acrylate does not have 12 carbon atoms simultaneously；And (3)
Excessive crosslinking agent；Wherein the adhesive includes the high-carbon alkyl acrylate of 30 to 50 weight %；50 to 70 weight %'s
The crosslinking agent of the low-carbon alkyl acrylate and 0.1 to 0.5 weight %.Wherein the crosslinking agent is selected from polyfunctional acrylic ester
And methacrylate, benzophenone, acetophenone.
B. it coats and the dry adhesive is on the sheet material；
And c. exposes the adhesive and cures the adhesive in ultraviolet light.
In this embodiment, also comprise the steps of: that a. solidifies the polymerizable adhesive；B. cure the adhesive in
The adhesive is heated and coated before the sheet material.
Specifically, in further embodiments, a kind of preparation method of pressure-sensitive adhesive coated sheet material, comprising with
Lower step:
A.UV prepolymerization adhesive mixture is at like consistency is starched, and wherein the mixture includes: (1) 10 to 50 weight %
The high-carbon alkyl acrylate of at least one alkyl with 12 to 26 carbon atoms；At least the one of (2) 50 to 90 weight % has
The low-carbon alkyl acrylate of the alkyl of 4 to 12 carbon atoms, wherein the alkyl of the low-carbon and high-carbon alkyl acrylate is different
When have 12 carbon atoms；
B. crosslinking agent is added into the mixture；
C. the mixture containing the crosslinking agent is coated in the sheet material；
And d.UV polymerize the mixture.
In this embodiment, which includes the high-carbon alkyl acrylate of 30 to 50 weight %；50 to 70 weights
Measure the low-carbon alkyl acrylate of % and the crosslinking agent of 0.1 to 0.5 weight %.
In further embodiments, a kind of preparation method of pressure-sensitive adhesive coated sheet material comprising the steps of:
A. polymerization includes adhesive mixture below: (1) at least the one of 10 to 50 weight % has 12 to 26 carbon originals
The high-carbon alkyl acrylate of the alkyl of son；At least the one of (2) 50 to 90 weight % has the alkyl of 4 to 12 carbon atoms
Low-carbon alkyl acrylate, wherein the alkyl of the low-carbon and high-carbon alkyl acrylate does not have 12 carbon atoms simultaneously；And (3)
Excessive silane crosslinker is substantially to prevent adhesive from shifting, and wherein there is the adhesive silane high-peeling strength to maintain simultaneously
Good removability；
B. the adhesive is coated on the sheet material, and wherein the adhesive includes the high-carbon alkyl of 30 to 50 weight %
Acid esters；The low-carbon alkyl acrylate of 50 to 70 weight % and the crosslinking agent of 0.1 to 0.5 weight %.；
And dry adhesive of c.；
And d. cures the adhesive in the presence of moisture content.
Technical solution of the specific experiment example presented below to illustrate the application.
84.0g is packed into equipped with four neck reaction vessels of blender, thermometer, condenser, addition funnel and hotlist in 500ml
The ODA (48% solid of@is in ethyl acetate) of IOA, 75g, the ethyl acetate of 121g and 0.92g ABP (26% solid of@is in second
Acetoacetic ester).Addition funnel is added in the solution of 20g ethyl acetate in 0.36g VAZOTM64.The solution of reaction vessel and addition leakage
The substance of bucket is with argon gas (or nitrogen) flushing.The solution of reaction vessel is heated to 55 DEG C and initiator is added.After about 20 hours, obtain
To the conversion of 98-99%.Then mixture is applied to the paper of light, non-linging by solution.Do not observe that adhesive solvent is flowed out through paper.
Obtain oven drying adhesive solvent coating layer thickness 0.5 to 1.0mil.Coating with 25 ms/min UV light (equipped with 30 watts/
The UV processor of the middle medium pressure mercury lamp of 2.5cm) lower pass through 3 times.
Then the paper of coating is attached to two different test carriers as described in the test of the above removability: one is 100mm thick
Untreated poly- (ethylene terephthalate) sheet material (" PET ") and another poly- (ethylene terephthalate) sheet material for 100mm thickness, film surface
It is handled with the cellulose acetate of hydrolysis.It stops one day and after a week in the removability by matter measurement sample, the results showed that almost
Non-adhesiveness.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
The spirit and principles in the present invention it is interior, made any modification, equivalent replacement and improvement etc. should be included in guarantor of the invention
Protect the interior of range.
Claims (5)
1. a kind of preparation method of pressure-sensitive adhesive coated sheet material comprising the steps of:
A. polymerization includes adhesive mixture below: (1) at least the one of 10 to 50 weight % has 12 to 26 carbon atoms
The high-carbon alkyl acrylate of alkyl；At least the one of (2) 50 to 90 weight % has the lower alkanes of the alkyl of 4 to 12 carbon atoms
Base acrylate, wherein the alkyl of the low-carbon and high-carbon alkyl acrylate does not have 12 carbon atoms simultaneously；And (3) are excessive
Crosslinking agent；
B. it coats and the dry adhesive is on the sheet material；
And c. exposes the adhesive and cures the adhesive in ultraviolet light.
2. preparation method as described in claim 1, further includes following steps: a. solidifies the polymerizable adhesive；B. it is curing
The adhesive heats and coats the adhesive before the sheet material.
3. preparation method as described in claim 1, wherein the adhesive includes the high-carbon alkyl of 30 to 50 weight %
Acid esters；The low-carbon alkyl acrylate of 50 to 70 weight % and the crosslinking agent of 0.1 to 0.5 weight %.
4. preparation method as described in claim 1, wherein the crosslinking agent be selected from polyfunctional acrylic ester and methacrylate,
Benzophenone, acetophenone.
5. preparation method as described in claim 1, wherein the crosslinking agent is selected from diphenylketone, acetophenone and single vinylation not
Saturated aromatic ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244422.3A CN109852262A (en) | 2017-11-30 | 2017-11-30 | A kind of preparation method of pressure-sensitive adhesive coated sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244422.3A CN109852262A (en) | 2017-11-30 | 2017-11-30 | A kind of preparation method of pressure-sensitive adhesive coated sheet material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109852262A true CN109852262A (en) | 2019-06-07 |
Family
ID=66888893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711244422.3A Pending CN109852262A (en) | 2017-11-30 | 2017-11-30 | A kind of preparation method of pressure-sensitive adhesive coated sheet material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109852262A (en) |
-
2017
- 2017-11-30 CN CN201711244422.3A patent/CN109852262A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190607 |
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| WD01 | Invention patent application deemed withdrawn after publication |