CN104694041B - A kind of preparation method of wall gum - Google Patents
A kind of preparation method of wall gum Download PDFInfo
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- CN104694041B CN104694041B CN201510083179.6A CN201510083179A CN104694041B CN 104694041 B CN104694041 B CN 104694041B CN 201510083179 A CN201510083179 A CN 201510083179A CN 104694041 B CN104694041 B CN 104694041B
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Abstract
The present invention relates to a kind of preparation method of wall gum,It is included on printing ply of paper and coats ink-absorbed coated layer and the coating acrylate pressure-sensitive adhesive layer on release layer,After drying,By the compound prepared wall gum of dry-lamination process,The acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used is wall acrylate pressure-sensitive adhesive,Mainly by soft monomer,Hard monomer and function monomer copolymerization are formed,Described function monomer at least contains the acrylic acid of pyridine 2,The acrylic acid of pyridine 2 can be formed with the Fe elements in wall and is coordinated,Enhancing and the bonding force of wall,Therefore,The wall acrylate pressure-sensitive adhesive has bonding strength high,Absorption affinity is strong,Good weatherability,The advantages of peel strength is high high with elongation at break,It is that the wall gum that raw material are prepared can be very good to be applied to the bonding with wall with it.
Description
Technical field
The present invention relates to a kind of preparation method of gum, more particularly to a kind of preparation method of wall gum.
Background technology
Billboard has been dispersed throughout the various aspects of life as a kind of mass media mode.Wherein, billboard
Carrier --- gum, is also pressure-sensitive table printing material, is made by material of paper, plastic sheeting, glue and release liners
A kind of digital printing field advertisement consumptive material, its front can have glue, can be pasted onto exhibition with air brushing picture, the back side
On plate, wall, KT plates.
Crucial material is the selection of glue used in gum, i.e., using pressure sensitive adhesive wherein.Acrylate pressure sensitive
Adhesive is the major class in pressure sensitive adhesive, and its polymer has excellent weatherability, ultraviolet resistance, heat-resisting, water-fast, chemical resistance
Also excellent, transparent color and luster is good with fastness, thus is rapidly developed in recent years.
At present, state's inner wall adhesion strength of gum generally existing and wall base material loosely, holds caducous problem.This
The presence of class problem, very big inconvenience is brought to the application of wall gum, while also constraining the development of wall gum
With application, and the waste of material and unnecessary economic loss are easily caused in actual applications.Therefore, people are highly desirable
Obtain that a kind of adhesion strength is high, and weatherability and other function admirables wall gum.
Exactly regarding to the issue above, it is high to be obtained a kind of adhesion strength by the way of copolymerization, and good weatherability for the present invention
Wall gum.Raw material needed for the product is easy to get, and simple production process, low production cost, accessory substance is few, and efficiency high has
Beneficial to industrialized production.Meanwhile, the product can be widely applied to the fields such as construction material and interior decoration, therefore to the life of people
Active benefit and economic benefit can produce active influence.
The content of the invention
The purpose of the present invention is directed to the defect of prior art, there is provided a kind of preparation method of wall gum, is included in
Ink-absorbed coated layer is coated on printing ply of paper and acrylate pressure-sensitive adhesive layer is coated with release layer, it is after drying, compound by dry type
Process combining is obtained wall gum, and the acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used is wall acrylate
Pressure sensitive adhesive, is mainly formed by soft monomer, hard monomer and function monomer copolymerization, and described function monomer at least contains pyridine -2-
Acrylic acid, pyridine -2- acrylic acid can be formed with the Fe elements in wall and is coordinated, the bonding force of enhancing and wall, therefore, it is described
Wall acrylate pressure-sensitive adhesive has that bonding strength is high, absorption affinity strong, good weatherability, peel strength is high and elongation at break is high
The advantages of, it is that the wall gum that raw material are prepared can be very good to be applied to the bonding with wall with it.
A kind of preparation method of wall gum of the invention, is included on printing ply of paper and coats ink-absorbed coated layer and release
Acrylate pressure-sensitive adhesive layer is coated with layer, after drying, by the compound prepared wall gum of dry-lamination process, the propylene
Acrylate pressure-sensitive adhesive used by acid esters pressure-sensitive adhesive layer be wall acrylate pressure-sensitive adhesive, mainly by soft monomer, hard monomer and
Function monomer copolymerization is formed, and described function monomer at least contains pyridine -2- acrylic acid.
A kind of preparation method of wall gum as described above, the preparation method of the wall acrylate pressure-sensitive adhesive
Specially；
In terms of parts by weight,
The soft monomer, is different pungent ethyl acrylate, butyl acrylate, acrylic acid-2-ethyl caproite, methacrylic acid
One kind or wherein several combinations in ester, lauryl methacrylate；
The hard monomer, is the one kind in acrylonitrile, acrylamide, styrene, methyl methacrylate, methyl acrylate
Or wherein several combination；
The function monomer, is pyridine -2- acrylic acid, or is acrylic acid, methacrylic acid, itaconic acid, acrylic acid hydroxyl
In ethyl ester, hydroxypropyl acrylate, hydroxyethyl methacrylate, hydroxy propyl methacrylate, GMA
One or more are acrylic acid with pyridine -2- to combine；The wherein described acrylic acid contents of pyridine -2- are at least function monomer
20wt%；Due in wall base material in addition to the elements such as C, H, O, the main also element such as Ca, Al, Fe, and pyridine -2- acrylic acid lists
Nitrogen in internal pyridine ring can be formed with the ferro element in wall base material and is coordinated, thus can be greatly improved pressure-sensitive
The adhesion strength of glue and wall.
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
Soft monomer, hard monomer and function monomer are dissolved in described ethyl acetate by above-mentioned raw materials formula, mixing is equal
It is even, then the 10~20% of mixture gross mass are added in reactor, and described initiator is added dropwise, it is heated to 70~85
DEG C start reaction, then remaining said mixture and initiator are added drop-wise in reactor, be added dropwise to complete in 1~4 hour；
Insulation 1~2 hour, is then cooled to room temperature, adds crosslinking agent stirring, then discharging, obtains described wall acrylate
Pressure sensitive adhesive.
A kind of preparation method of wall gum as described above, the number of described wall acrylate pressure-sensitive adhesive is divided equally
Son amount is 8000~300000.
A kind of preparation method of wall gum as described above, is additionally added in described wall acrylate pressure-sensitive adhesive
Parts by weight are 1~3 polymerizable wetting agent, described polymerizable wetting agent be the mono-quaternaries sun containing carbon-carbon double bond from
Sub- surfactant or the bis-quaternary ammonium salt cationic surfactant containing carbon-carbon double bond；The polymerizable wetting agent can reduce pressure
The electrostatic effect of quick glue so that pressure sensitive adhesive is after base material is coated on, it is easy to paste, it is more smooth to paste face, is difficult to adsorb dust,
And adhesive force is strong, this is that general acrylate pressure-sensitive adhesive hardly matches.
A kind of preparation method of wall gum as described above, described initiator is azodiisobutyronitrile or peroxidating
Benzoyl.
A kind of preparation method of wall gum as described above, described crosslinking agent is polyisocyanates, specially first
Phenylene diisocyanate, methyl diphenylene diisocyanate or hexamethylene diisocyanate.
A kind of preparation method of wall gum as described above, the coating and the dry technique are to be used with wall
After acrylate pressure-sensitive adhesive applies cloth base material, treatment is dried by casing drying road type drying heating device, drying road type is dried and set
Standby entrance is divided into 8 dry sections to outlet；The amount of the coating is 60~80g/m2；The drying process temperature range and wind
Amount scope control exists：30 DEG C -130 DEG C, air quantity 1m/s-30m/s.
A kind of preparation method of wall gum as described above, the thickness of described ink-absorbed coated layer is 20~100mm；Institute
The printing paper of the printing ply of paper stated is art paper, wood-free paper, synthetic paper or nonwoven synthetic paper.
Beneficial effect：
The present invention relates to a kind of preparation method of wall gum, be included in printing ply of paper on coat ink-absorbed coated layer and from
Acrylate pressure-sensitive adhesive layer is coated with type layer, after drying, by the compound prepared wall gum of dry-lamination process, described third
Olefin(e) acid ester pressure-sensitive layer acrylate pressure-sensitive adhesive used is wall acrylate pressure-sensitive adhesive, mainly by soft monomer, hard monomer
Formed with function monomer copolymerization, described function monomer at least contains pyridine -2- acrylic acid, and pyridine -2- acrylic acid can be with wall
Fe elements in body form the bonding force of coordination, enhancing and wall, therefore, the wall has bonding with acrylate pressure-sensitive adhesive
Intensity is high, absorption affinity is strong, good weatherability, peel strength high and the advantages of elongation at break high, is that raw material are prepared with it
Wall gum can be very good to be applied to the bonding with wall.
Specific embodiment
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
Bright rather than limitation the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, art technology
Personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Fixed scope.
Embodiment 1
A kind of preparation method of wall gum, be included in coating thickness on art paper for the ink-absorbed coated layer of 20mm and from
Acrylate pressure-sensitive adhesive layer is coated with type layer, after drying, by the compound prepared wall gum of dry-lamination process, coating and
Dry technique is after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be done by casing drying road type drying heating device
Dry treatment, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of coating is 60g/m2；Drying process temperature
Scope and air quantity scope control exist：30 DEG C DEG C, air quantity 1m/s；Acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used is wall
With acrylate pressure-sensitive adhesive, mainly formed by soft monomer, hard monomer and function monomer copolymerization, function monomer at least contains pyrrole
Pyridine -2- acrylic acid, the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer ethyl acrylate, hard monomer acrylonitrile and function monomer pyridine -2- acrylic acid
It is dissolved in ethyl acetate, is well mixed, is then added to the 10% of mixture gross mass in reactor, and initiator is added dropwise
Azodiisobutyronitrile, is heated to 70 DEG C and starts reaction, and then remaining said mixture and initiator are added drop-wise in reactor,
It was added dropwise to complete in 1 hour；Insulation 1 hour, is then cooled to room temperature, adds the stirring of crosslinking agent toluene di-isocyanate(TDI), then
Discharging, obtains the wall acrylate pressure-sensitive adhesive that number-average molecular weight is 8000.
Embodiment 2
A kind of preparation method of wall gum, be included in coating thickness on wood-free paper for the ink-absorbed coated layer of 100mm and
Acrylate pressure-sensitive adhesive layer is coated with release layer, after drying, by the compound prepared wall gum of dry-lamination process, coating
It is after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be carried out by casing drying road type drying heating device with dry technique
Dried process, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of coating is 80g/m2；Drying process temperature
Degree scope and air quantity scope control exist：130 DEG C, air quantity 30m/s；Acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used is wall
Body acrylate pressure-sensitive adhesive, is mainly formed by soft monomer, hard monomer and function monomer copolymerization, and function monomer at least contains pyrrole
Pyridine -2- acrylic acid, the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Wherein the acrylic acid contents of pyridine -2- are the 20wt% of acrylic acid and the acrylic acid compositions of pyridine -2-；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer butyl acrylate, hard monomer acrylamide and function monomer acrylic acid and pyrrole
The acrylic acid compositions of pyridine -2- are dissolved in ethyl acetate, are well mixed, and are then added to the 20% of mixture gross mass anti-
In answering kettle, and initiator benzoyl peroxide is added dropwise, is heated to 85 DEG C and starts reaction, then by remaining said mixture and draw
Hair agent benzoyl peroxide is added drop-wise in reactor, is added dropwise to complete in 4 hours；Insulation 2 hours, is then cooled to room temperature, plus
Enter the stirring of crosslinking agent methyl diphenylene diisocyanate, then discharging, obtains the wall propylene that number-average molecular weight is 300000
Acid esters pressure sensitive adhesive.
Embodiment 3
A kind of preparation method of wall gum, be included in coating thickness on synthetic paper for the ink-absorbed coated layer of 30mm and from
Acrylate pressure-sensitive adhesive layer is coated with type layer, after drying, by the compound prepared wall gum of dry-lamination process, coating and
Dry technique is after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be done by casing drying road type drying heating device
Dry treatment, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of the coating is 70g/m2；Drying process
Temperature range and air quantity scope control exist：50 DEG C, air quantity 5m/s；Acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used is wall
Body acrylate pressure-sensitive adhesive, is mainly formed by soft monomer, hard monomer and function monomer copolymerization, and function monomer at least contains pyrrole
Pyridine -2- acrylic acid, the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Wherein the acrylic acid contents of pyridine -2- are the 25wt% of methacrylic acid and the acrylic acid compositions of pyridine -2-；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer acrylic acid-2-ethyl caproite, hard monomer styrene and function monomer methyl-prop
Olefin(e) acid is dissolved in ethyl acetate with the acrylic acid compositions of pyridine -2-, is well mixed, then by the 15% of mixture gross mass
It is added in reactor, and initiator azodiisobutyronitrile is added dropwise, is heated to 75 DEG C and starts reaction, then will be remaining above-mentioned mixed
Compound and initiator are added drop-wise in reactor, are added dropwise to complete in 2 hours；Insulation 1.5 hours, is then cooled to room temperature, adds
Crosslinking agent 1, hexamethylene-diisocyanate stirring, then discharging, obtains the wall acrylate pressure that number-average molecular weight is 100000
Quick glue.
Embodiment 4
A kind of preparation method of wall gum, be included in coating thickness on nonwoven synthetic paper for the ink-absorbed coated layer of 50mm and
Acrylate pressure-sensitive adhesive layer is coated with release layer, after drying, by the compound prepared wall gum of dry-lamination process, is applied
Cloth and dry technique are after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be entered by casing drying road type drying heating device
Row dried process, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of coating is 70g/m2；Drying process
Temperature range and air quantity scope control exist：100 DEG C, air quantity 15m/s；Acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used be
Wall acrylate pressure-sensitive adhesive, is mainly formed by soft monomer, hard monomer and function monomer copolymerization, and function monomer at least contains
Pyridine -2- acrylic acid, the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Wherein the acrylic acid contents of pyridine -2- are the 30wt% of itaconic acid and the acrylic acid compositions of pyridine -2-；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer EHMA, hard monomer methyl methacrylate and function monomer
Combine acrylic acid with pyridine -2- of itaconic acid is dissolved in ethyl acetate, is well mixed, then by the 15% of mixture gross mass
It is added in reactor, and initiator benzoyl peroxide is added dropwise, is heated to 75 DEG C and starts reaction, then will be remaining above-mentioned mixed
Compound and initiator benzoyl peroxide are added drop-wise in reactor, are added dropwise to complete in 2 hours；Insulation 1.5 hours, then lowers the temperature
To room temperature, the stirring of crosslinking agent toluene di-isocyanate(TDI) is added, then discharging, obtains the wall propylene that number-average molecular weight is 9000
Acid esters pressure sensitive adhesive.
Embodiment 5
A kind of preparation method of wall gum, be included in coating thickness on art paper for the ink-absorbed coated layer of 60mm and from
Acrylate pressure-sensitive adhesive layer is coated with type layer, after drying, by the compound prepared wall gum of dry-lamination process, coating and
Dry technique is after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be done by casing drying road type drying heating device
Dry treatment, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of the coating is 65g/m2；Drying process
Temperature range and air quantity scope control exist：50 DEG C, air quantity 2m/s；Acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used is wall
Body acrylate pressure-sensitive adhesive, is mainly formed by soft monomer, hard monomer and function monomer copolymerization, and function monomer at least contains pyrrole
Pyridine -2- acrylic acid, the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Wherein the acrylic acid contents of pyridine -2- are the 35wt% of hydroxy-ethyl acrylate and the acrylic acid compositions of pyridine -2-；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer lauryl methacrylate, hard monomer methyl acrylate and function monomer
Hydroxy-ethyl acrylate is dissolved in ethyl acetate with the acrylic acid compositions of pyridine -2-, is well mixed, then by the total matter of mixture
The 20% of amount is added in reactor, and initiator benzoyl peroxide is added dropwise, and is heated to 80 DEG C and is started reaction, then by residue
Said mixture and initiator benzoyl peroxide be added drop-wise in reactor, be added dropwise to complete in 2 hours；Insulation 1 hour, so
After be cooled to room temperature, add the stirring of crosslinking agent methyl diphenylene diisocyanate, then discharging, obtaining number-average molecular weight is
15000 wall acrylate pressure-sensitive adhesive.
Embodiment 6
A kind of preparation method of wall gum, be included in coating thickness on wood-free paper for the ink-absorbed coated layer of 55mm and from
Acrylate pressure-sensitive adhesive layer is coated with type layer, after drying, by the compound prepared wall gum of dry-lamination process, coating and
Dry technique is after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be done by casing drying road type drying heating device
Dry treatment, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of coating is 65g/m2；Drying process temperature
Scope and air quantity scope control exist：40 DEG C, air quantity 25m/s；Acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used is wall
With acrylate pressure-sensitive adhesive, mainly formed by soft monomer, hard monomer and function monomer copolymerization, function monomer at least contains pyrrole
Pyridine -2- acrylic acid, the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Wherein the mass ratio of ethyl acrylate and butyl acrylate is 1:The acrylic acid content of 1, pyridine -2- is acrylic acid hydroxyl
The 40wt% of propyl ester and pyridine -2- acrylic acid compositions；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer ethyl acrylate and butyl acrylate, hard monomer acrylonitrile and function monomer third
Olefin(e) acid hydroxypropyl acrylate is dissolved in described ethyl acetate with the acrylic acid compositions of pyridine -2-, is well mixed, then by mixture
The 18% of gross mass is added in reactor, and initiator benzoyl peroxide is added dropwise, and is heated to 80 DEG C and is started reaction, then will
Remaining said mixture and initiator benzoyl peroxide are added drop-wise in reactor, are added dropwise to complete in 3 hours；Insulation 1.5
Hour, room temperature is then cooled to, the stirring of crosslinking agent toluene di-isocyanate(TDI) is added, then discharging, obtaining number-average molecular weight is
25000 wall acrylate pressure-sensitive adhesive.
Embodiment 7
A kind of preparation method of wall gum, be included in coating thickness on synthetic paper for the ink-absorbed coated layer of 80mm and from
Acrylate pressure-sensitive adhesive layer is coated with type layer, after drying, by the compound prepared wall gum of dry-lamination process, coating and
Dry technique is after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be done by casing drying road type drying heating device
Dry treatment, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of coating is 65g/m2；Drying process temperature
Scope and air quantity scope control exist：60 DEG C, air quantity 10m/s；Acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used is wall
With acrylate pressure-sensitive adhesive, mainly formed by soft monomer, hard monomer and function monomer copolymerization, described function monomer at least contains
There is pyridine -2- acrylic acid, the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Wherein the mass ratio of acrylonitrile and acrylamide is 2:The acrylic acid content of 1, pyridine -2- is hydroxyethyl methacrylate second
The 20wt% of ester and the acrylic acid compositions of pyridine -2-；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer acrylic acid-2-ethyl caproite, hard monomer acrylonitrile and acrylamide and function
Monomers hydroxy ethyl ester is dissolved in ethyl acetate with the acrylic acid compositions of pyridine -2-, is well mixed, then will be mixed
The 12% of compound gross mass is added in reactor, and initiator azodiisobutyronitrile is added dropwise, and is heated to 85 DEG C and is started reaction, so
Remaining said mixture and initiator azodiisobutyronitrile are added drop-wise in reactor afterwards, were added dropwise to complete in 1 hour；Insulation
1 hour, room temperature is then cooled to, adds the stirring of crosslinking agent methyl diphenylene diisocyanate, then discharging, obtains counting equal molecule
Measure the wall acrylate pressure-sensitive adhesive for 22000.
Embodiment 8
A kind of preparation method of wall gum, be included in coating thickness on nonwoven synthetic paper for the ink-absorbed coated layer of 70mm and
Acrylate pressure-sensitive adhesive layer is coated with release layer, after drying, by the compound prepared wall gum of dry-lamination process, is applied
Cloth and dry technique are after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be entered by casing drying road type drying heating device
Row dried process, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of the coating is 65g/m2；Dry
Process temperature ranges and air quantity scope control exist：80 DEG C, air quantity 15m/s；Acrylate pressure-sensitive adhesive layer Acrylate pressure sensitive used
Glue is wall acrylate pressure-sensitive adhesive, is mainly formed by soft monomer, hard monomer and function monomer copolymerization, described function list
Body at least contains pyridine -2- acrylic acid, and the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Wherein the mass ratio of ethyl acrylate, butyl acrylate and acrylic acid-2-ethyl caproite is 1:1:2, metering system
The mass ratio of sour methyl esters and methyl acrylate is 1:The acrylic acid content of 2, pyridine -2- be hydroxy propyl methacrylate and pyridine -
The 28wt% of the acrylic acid compositions of 2-；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer ethyl acrylate, butyl acrylate and acrylic acid-2-ethyl caproite, hard monomer
Methyl methacrylate and methyl acrylate and function monomer hydroxy propyl methacrylate are molten with the acrylic acid compositions of pyridine -2-
Solution is well mixed in ethyl acetate, is then added to the 12% of mixture gross mass in reactor, and initiator mistake is added dropwise
BP, is heated to 76 DEG C and starts reaction, and then remaining said mixture and initiator are added drop-wise in reactor,
It is added dropwise to complete in 3 hours；Insulation 1.5 hours, is then cooled to room temperature, adds crosslinking agent 1, hexamethylene-diisocyanate to stir, with
After discharge, obtain the wall acrylate pressure-sensitive adhesive that number-average molecular weight is 120000.
Embodiment 9
A kind of preparation method of wall gum, be included in coating thickness on art paper for the ink-absorbed coated layer of 25mm and from
Acrylate pressure-sensitive adhesive layer is coated with type layer, after drying, by the compound prepared wall gum of dry-lamination process, coating and
Dry technique is after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be done by casing drying road type drying heating device
Dry treatment, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of coating is 65g/m2；Drying process temperature
Scope and air quantity scope control exist：100 DEG C, air quantity 25m/s；Acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used is wall
With acrylate pressure-sensitive adhesive, mainly formed by soft monomer, hard monomer and function monomer copolymerization, described function monomer at least contains
There is pyridine -2- acrylic acid, the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Wherein the mass ratio of ethyl acrylate, butyl acrylate and acrylic acid-2-ethyl caproite is 1:2:2, pyridine -2- third
The content of olefin(e) acid is the 25wt% of GMA and the acrylic acid compositions of pyridine -2-；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer ethyl acrylate, butyl acrylate and acrylic acid-2-ethyl caproite, hard monomer
Methyl acrylate and function monomer GMA are dissolved in ethyl acetate with the acrylic acid compositions of pyridine -2-
In, it is well mixed, then the 16% of mixture gross mass is added in reactor, and initiator azodiisobutyronitrile is added dropwise,
It is heated to 85 DEG C and starts reaction, then remaining said mixture and initiator azodiisobutyronitrile is added drop-wise in reactor,
It was added dropwise to complete in 1 hour；Insulation 1 hour, is then cooled to room temperature, adds crosslinking agent stirring, then discharging, obtains number and divides equally
Son amount is 180000 wall acrylate pressure-sensitive adhesive.
Embodiment 10
A kind of preparation method of wall gum, be included in coating thickness on nonwoven synthetic paper for the ink-absorbed coated layer of 95mm and
Acrylate pressure-sensitive adhesive layer is coated with release layer, after drying, by the compound prepared wall gum of dry-lamination process, is applied
Cloth and dry technique are after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be entered by casing drying road type drying heating device
Row dried process, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of coating is 65g/m2；Drying process
Temperature range and air quantity scope control exist：85 DEG C, air quantity 25m/s；Acrylate pressure-sensitive adhesive layer acrylate pressure-sensitive adhesive used be
Wall acrylate pressure-sensitive adhesive, is mainly formed by soft monomer, hard monomer and function monomer copolymerization, and function monomer at least contains
Pyridine -2- acrylic acid, the preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
Wherein the mass ratio of EHMA and lauryl methacrylate is 2:1, methyl methacrylate
The mass ratio 1 of ester and methyl acrylate:The acrylic acid content of 1, pyridine -2- is hydroxy propyl methacrylate, methacrylic acid contracting
The 28wt% of water glyceride and the acrylic acid compositions of pyridine -2-, hydroxy propyl methacrylate and methyl propenoic acid glycidyl
The mass ratio of ester is 1:1；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
By above-mentioned raw materials formula by soft monomer EHMA and lauryl methacrylate, hard monomer first
Base methyl acrylate and methyl acrylate and function monomer hydroxy propyl methacrylate, GMA and pyrrole
In the ethyl acetate that the acrylic acid compositions of pyridine -2- are dissolved in, it is well mixed, is then added to the 10% of mixture gross mass
In reactor, and initiator benzoyl peroxide is added dropwise, is heated to 70 DEG C and starts reaction, then by remaining said mixture and
Initiator benzoyl peroxide is added drop-wise in reactor, is added dropwise to complete in 2.5 hours；Insulation 2 hours, is then cooled to room
Temperature, adds the stirring of crosslinking agent toluene di-isocyanate(TDI), and then discharging, obtains the wall acrylate that number-average molecular weight is 9000
Pressure sensitive adhesive.
Claims (7)
1. a kind of preparation method of wall gum, is included on printing ply of paper and coats ink-absorbed coated layer and be coated with third on release layer
Olefin(e) acid ester pressure-sensitive layer, after drying, by the compound prepared wall gum of dry-lamination process, it is characterized in that：The propylene
Acrylate pressure-sensitive adhesive used by acid esters pressure-sensitive adhesive layer be wall acrylate pressure-sensitive adhesive, mainly by soft monomer, hard monomer and
Function monomer copolymerization is formed, and described function monomer at least contains pyridine -2- acrylic acid；
The preparation method of wall acrylate pressure-sensitive adhesive is specially；
In terms of parts by weight,
The soft monomer, is ethyl acrylate, butyl acrylate, acrylic acid-2-ethyl caproite, EHMA, first
One kind or wherein several combinations in base dodecylacrylate；
The hard monomer, be one kind in acrylonitrile, acrylamide, styrene, methyl methacrylate, methyl acrylate or its
In several combination；
The function monomer, is pyridine -2- acrylic acid, or for acrylic acid, methacrylic acid, itaconic acid, hydroxy-ethyl acrylate,
One kind in hydroxypropyl acrylate, hydroxyethyl methacrylate, hydroxy propyl methacrylate, GMA or
It is several acrylic acid with pyridine -2- to combine；The wherein described acrylic acid contents of pyridine -2- are at least function monomer
20wt%；
Preparing the process conditions of wall acrylate pressure-sensitive adhesive is：
Soft monomer, hard monomer and function monomer are dissolved in described ethyl acetate by above-mentioned raw materials formula, are well mixed, so
The 10~20% of mixture gross mass are added in reactor afterwards, and described initiator is added dropwise, be heated to 70~85 DEG C and open
Begin to react, then remaining said mixture and initiator are added drop-wise in reactor, be added dropwise to complete in 1~4 hour；Insulation
1~2 hour, room temperature is then cooled to, adds crosslinking agent stirring, then discharging, obtain described wall Acrylate pressure sensitive
Glue.
2. a kind of preparation method of wall gum according to claim 1, it is characterised in that described wall propylene
The number-average molecular weight of acid esters pressure sensitive adhesive is 8000~300000.
3. a kind of preparation method of wall gum according to claim 1, it is characterised in that described wall propylene
The polymerizable wetting agent that parts by weight are 1~3 is also added into acid esters pressure sensitive adhesive, described polymerizable wetting agent is to contain carbon carbon
The mono-quaternaries cationic surfactant or the bis-quaternary ammonium salt cationic surfactant containing carbon-carbon double bond of double bond.
4. the preparation method of a kind of wall gum according to claim 1, it is characterised in that described initiator is even
Nitrogen bis-isobutyronitrile or benzoyl peroxide.
5. the preparation method of a kind of wall gum according to claim 1, it is characterised in that described crosslinking agent is first
Phenylene diisocyanate, methyl diphenylene diisocyanate or hexamethylene diisocyanate.
6. a kind of preparation method of wall gum according to claim 1, it is characterised in that the coating and described dry
Dry technique is after applying cloth base material with wall acrylate pressure-sensitive adhesive, to be dried by casing drying road type drying heating device
Treatment, drying road type drying equipment entrance to outlet is divided into 8 dry sections；The amount of the coating is 60~80g/m2；It is described dry
Drying process temperature range and air quantity scope control exist：30 DEG C -130 DEG C, air quantity 1m/s-30m/s.
7. the preparation method of a kind of wall gum according to claim 1, it is characterised in that described ink-absorbed coated layer
Thickness is 20~100mm；The printing paper of described printing ply of paper is art paper, wood-free paper or synthetic paper.
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| CN107779144B (en) * | 2017-11-08 | 2019-05-24 | 南雄市远大(广州)胶粘制品有限公司 | The preparation process and its application of modified non-aqueous dispersion type polyacrylate pressure-sensitive |
| CN111187584A (en) * | 2019-07-04 | 2020-05-22 | 合肥乐凯科技产业有限公司 | Emulsion pressure-sensitive adhesive for polarizer protective film and polarizer protective film thereof |
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