CN111876093A - Packaging adhesive tape for acrylic resin lenses and preparation method thereof - Google Patents
Packaging adhesive tape for acrylic resin lenses and preparation method thereof Download PDFInfo
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- CN111876093A CN111876093A CN202010806949.6A CN202010806949A CN111876093A CN 111876093 A CN111876093 A CN 111876093A CN 202010806949 A CN202010806949 A CN 202010806949A CN 111876093 A CN111876093 A CN 111876093A
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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
- 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
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- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1802—C2-(meth)acrylate, e.g. ethyl (meth)acrylate
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- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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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
- C09J133/18—Homopolymers or copolymers of nitriles
- C09J133/20—Homopolymers or copolymers of acrylonitrile
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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
- C09J133/24—Homopolymers or copolymers of amides or imides
- C09J133/26—Homopolymers or copolymers of acrylamide or methacrylamide
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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
- C09J143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Adhesives based on derivatives of such polymers
- C09J143/04—Homopolymers or copolymers of monomers containing silicon
-
- 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
- C09J2433/00—Presence of (meth)acrylic polymer
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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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Abstract
The invention discloses an acrylic resin lens packaging adhesive tape and a preparation method thereof. The packaging adhesive tape for the acrylic resin lenses and the preparation method thereof solve the problems that the existing material for preparing the lens packaging adhesive tape is poor in high-temperature retention, sealing water permeability, lens resin liquid matching and the like, cannot be thinned, is high in cost, is easy to deform and damage under certain conditions, is easy to cause resin lenses to be unqualified, is not beneficial to preparing the lens packaging adhesive tape with good quality stability and high cost performance, is low in efficiency generally adopted in the current lens packaging adhesive, is prepared by using unstable oily pressure-sensitive adhesive in batches, and is difficult to meet the technical requirements of lens production, such as easy die sinking, no whitening, no adhesive residue, no notch, no deformation and the like.
Description
Technical Field
The invention relates to the technical field of adhesive tapes, in particular to an adhesive tape for packaging an acrylic resin lens and a preparation method thereof.
Background
When the quality of the adhesive tape is poor, the mould is easy to generate the conditions of fogging, adhesive residue, self-release and the like after being baked at high temperature, so that defective spectacle lenses are produced, and therefore a suitable adhesive tape product is provided for customers, and the quality of the finished spectacle lenses of the customers is ensured;
the technical scheme described in (chinese patent CN 207581722U danyang, viny optics limited company 2018.07.06) is a method for preparing an acrylic resin lens adhesive tape with a multilayer composite structure, and because the multilayer composite structure is designed to be too complex, the coating implementation difficulty is high, and the cost is high, the adhesive tape for upper and lower molds of an eyeglass lens is manufactured in a sealing manner under certain conditions, the coating process cannot be controlled well, the thickness of an adhesive layer is not uniform, the lamination is not firm, and when the acrylic resin lens is polymerized, the actual sealing effect cannot be achieved, and the quality of a finished eyeglass lens of a customer cannot be guaranteed; the specific thickness of the adhesive tape for sealing and manufacturing the upper and lower molds of the glasses lens is not mentioned, and the lens resin in the too thick mold is cured and heated poorly, which may cause the edge white edge of the lens; no mention is made of the specific additives and crosslinking agents of the adhesive layer, and whether the additives and crosslinking agents are effective or not cannot be judged.
It can be seen that the materials used for preparing the lens packaging adhesive tape at present have poor high-temperature retention, sealing water permeability, lens resin liquid matching and the like, cannot be thinned, and have high cost, so that the lens packaging adhesive tape is easy to deform and damage under certain conditions, and the resin lenses are easy to disqualification, which is not beneficial to preparing the lens packaging adhesive tape with good quality stability and high cost performance.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an acrylic resin lens packaging adhesive tape and a preparation method thereof, which solve the problems that the existing material for preparing the lens packaging adhesive tape has poor high-temperature retention, poor sealing water permeability, poor lens resin liquid matching property and the like, cannot reduce the thickness and has high cost, so that the lens packaging adhesive tape is easy to deform and damage under certain conditions, is easy to disqualify resin lenses and is not beneficial to preparing the lens packaging adhesive tape with stable and good quality and high cost performance, and the existing lens packaging adhesive is generally prepared by using oily pressure-sensitive adhesive which has low efficiency and unstable batch, and is difficult to meet the technical requirements of easy die sinking, no whitening, no adhesive residue, no notch, no deformation and the like in lens production.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a packaging adhesive tape of inferior gram force resin lens, includes gluing agent layer and PET membrane material layer, gluing agent layer adopts waterborne acrylic acid glue, waterborne acrylic acid glue is made by following part by weight raw materials: 100 parts of soft monomer, 10-28 parts of hard monomer, 5-17 parts of functional group monomer, 100 parts of deionized water, 260 parts of initiator, 0.2-0.75 part of emulsifier, 0.4-1.5 parts of surfactant, 0-0.5 part of chain transfer agent, 0.1-0.5 part of buffering agent, a proper amount of neutralizer, 0-5 parts of cross-linking agent and 0-10 parts of modifying substance.
Preferably, the thickness of the adhesive layer is 30-40 μm.
Preferably, the thickness of the PET film material layer is 25-36 μm.
Preferably, the soft monomer comprises one or more of ethyl acrylate, n-butyl acrylate, isobutyl acrylate, isooctyl acrylate and dodecyl methacrylate.
Preferably, the hard monomer comprises one or more of methyl acrylate, methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, vinyl acetate, styrene and acrylonitrile.
Preferably, the functional group monomer comprises one or more of acrylamide, itaconic acid, acrylic acid, beta-hydroxyethyl acrylate, beta-hydroxyethyl methacrylate, beta-hydroxypropyl acrylate, beta-hydroxypropyl methacrylate, polyethylene glycol dimethacrylate and N-hydroxymethyl acrylamide.
Preferably, the crosslinking agent is one or more of aziridine, amino resin and diisocyanate.
Preferably, the initiator adopts ammonium persulfate.
Preferably, the modifying substance comprises one or more of acrylamide, octamethylcyclotetrasiloxane and gamma-methacryloxypropyltrimethoxysilane.
A preparation method of an adhesive tape for packaging an acrylic resin lens comprises the following specific operation steps:
1) preparing glue: the method comprises the following steps of putting a stirrer, a reflux condenser and a constant-pressure dropping funnel on a 1000mL four-neck flask, opening a water bath kettle, heating to 76-78 ℃, mixing various monomers, an initiator, an additive and deionized water according to a designed formula in a certain ratio, adding the uniformly mixed solution into the constant-pressure dropping funnel, adding 1/3 serving as a monomer pre-emulsified solution into the constant-pressure dropping funnel when the temperature reaches a set temperature, stirring at the speed of 200r/min, starting to dropwise add the rest mixed solution when a reflux phenomenon occurs in the four-neck flask, completing dropwise adding within 3.0-4.5 h, carrying out a heat preservation reaction at 82-84 ℃ after completing dropwise adding, about 3h, cooling with cold water, and filtering with 120 meshes when the temperature is reduced to below 40 ℃, and discharging;
2) preparing an adhesive tape: and (3) coating the prepared water-based acrylic glue on a PET film, drying at the temperature of 120-145 ℃, at the machine speed of 25m/min, finally directly coating and rolling, and curing at the temperature of 60 ℃ for 20 hours to obtain the acrylic resin lens adhesive tape.
(III) advantageous effects
The invention provides an acrylic resin lens packaging adhesive tape and a preparation method thereof. Has the following beneficial effects:
the packaging adhesive tape for the acrylic resin lens and the preparation method thereof can prepare the acrylic adhesive tape which has wide temperature application range (-30-150 ℃), excellent high and low temperature resistance, high humidity resistance, good flexibility and mechanical property and can be thinly coated, and the acrylic adhesive tape is light and thin enough and has no loss of performance; the adhesive can be well attached to a PET film, the problems of adhesive residue and sealing of a lens packaging adhesive tape are solved, the transparency, adhesive residue rate and waterproof and moistureproof performance of the periphery of the acrylic resin lens are improved, and the acrylic resin lens can be normally polymerized and cured in a high-temperature and humid environment; the phenomena of adhesive residue adhesion, bubbles and the like caused by the change of temperature and humidity during the curing of the acrylic resin lens can be well improved, and the stability of the polymerization process of the acrylic resin lens is enhanced; the quality of the finished spectacle lens of the customer is ensured.
Drawings
FIG. 1 is a schematic view of the structure of the adhesive tape of the present invention;
FIG. 2 is an enlarged view of the structure A of the present invention;
FIG. 3 is a table of parameters for the tape packaging process of the present invention;
FIG. 4 is a table of experimental data for a real-time example of the present invention.
In the figure: 1 adhesive layer and 2PET film material layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a packaging adhesive tape of inferior gram force resin lens, includes gluing agent layer 1 and PET membrane material layer 2, gluing agent layer 1 adopts waterborne acrylic acid glue, and waterborne acrylic acid glue is made by following part by weight raw materials: 100 parts of soft monomer, 10-28 parts of hard monomer, 5-17 parts of functional group monomer, 100 parts of deionized water, 260 parts of initiator, 0.2-0.75 part of emulsifier, 0-4 parts of surfactant, 0-0.5 part of chain transfer agent, 0.1-0.5 part of buffering agent, a proper amount of neutralizer, 0-5 parts of cross-linking agent and 0-10 parts of modified substance.
The thickness of the adhesive layer 1 is 30-40 mu m, the thickness of the PET film material layer 2 is 25-36 mu m, excellent sealing temperature resistance and bonding performance can be still kept under the condition of thin coating of 25 mu m, and excellent cohesive strength performance can be also kept under the condition of thick coating of 40 mu m.
The soft monomer comprises one or more of ethyl acrylate, n-butyl acrylate, isobutyl acrylate, isooctyl acrylate and dodecyl methacrylate.
The hard monomer comprises one or more of methyl acrylate, methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, vinyl acetate, styrene and acrylonitrile.
The functional group monomer comprises one or more of acrylamide, itaconic acid, acrylic acid, beta-hydroxyethyl acrylate, beta-hydroxyethyl methacrylate, beta-hydroxypropyl acrylate, beta-hydroxypropyl methacrylate, polyethylene glycol dimethacrylate and N-hydroxymethyl acrylamide.
The cross-linking agent is one or more of aziridine, amino resin and diisocyanate.
Ammonium persulfate is adopted as the initiator.
The modifying substance comprises one or more of acrylamide, octamethylcyclotetrasiloxane and gamma-methacryloxypropyltrimethoxysilane, so that the high-temperature resistance of the adhesive is improved, and the sealing property and the bonding property of the adhesive are further improved.
A preparation method of an adhesive tape for packaging an acrylic resin lens comprises the following specific operation steps:
1) preparing glue: the method comprises the following steps of putting a stirrer, a reflux condenser and a constant-pressure dropping funnel on a 1000mL four-neck flask, opening a water bath kettle, heating to 76-78 ℃, mixing various monomers, an initiator, an additive and deionized water according to a designed formula in a certain ratio, adding the uniformly mixed solution into the constant-pressure dropping funnel, adding 1/3 serving as a monomer pre-emulsified solution into the constant-pressure dropping funnel when the temperature reaches a set temperature, stirring at the speed of 200r/min, starting to dropwise add the rest mixed solution when a reflux phenomenon occurs in the four-neck flask, completing dropwise adding within 3.0-4.5 h, carrying out a heat preservation reaction at 82-84 ℃ after completing dropwise adding, about 3h, cooling with cold water, and filtering with 120 meshes when the temperature is reduced to below 40 ℃, and discharging;
2) preparing an adhesive tape: and (3) coating the prepared water-based acrylic glue on a PET film, drying at the temperature of 120-145 ℃, at the machine speed of 25m/min, finally directly coating and rolling, and curing at the temperature of 60 ℃ for 20 hours to obtain the acrylic resin lens adhesive tape.
Example 1
The glue preparation step comprises: a stirrer, a reflux condenser and a constant pressure dropping funnel are arranged on a 1000mL four-neck flask, a water bath kettle is opened, and the temperature is raised to 76-78 ℃. According to a designed formula, various monomers, an initiator, an additive and deionized water in a certain ratio are mixed, the uniformly mixed solution is added into a constant-pressure dropping funnel, 1/3 of the mixed solution is added into the constant-pressure dropping funnel as a monomer pre-emulsified solution after the temperature reaches a set temperature, stirring is carried out at the speed of 200r/min, when a backflow phenomenon occurs in a four-neck flask, the residual mixed solution is dropwise added, the dropwise addition is completed within 3.0h-4.5h, a heat preservation reaction at 82 ℃ -84 ℃ is carried out after the dropwise addition is completed, about 3h is needed, then cooling is carried out by cold water, when the temperature is reduced to below 40 ℃, then 120-mesh filtering is carried out, and discharging is carried out.
A preparation process of an acrylic resin lens adhesive tape comprises the following steps: and (3) coating the prepared water-based acrylic glue on a PET film, wherein the glue thickness is 30 micrometers, the drying temperature is 120-145 ℃, the machine speed is 25m/min, and finally, directly coating and rolling are carried out, and the acrylic resin lens adhesive tape is obtained after curing is carried out for 20 hours at the temperature of 60 ℃.
Example 2
The glue preparation step comprises: a stirrer, a reflux condenser and a constant pressure dropping funnel are arranged on a 1000mL four-neck flask, a water bath kettle is opened, and the temperature is raised to 76-78 ℃. According to a designed formula, various monomers, an initiator, an additive and deionized water in a certain ratio are mixed, the uniformly mixed solution is added into a constant-pressure dropping funnel, 1/3 of the mixed solution is added into the constant-pressure dropping funnel as a monomer pre-emulsified solution after the temperature reaches a set temperature, stirring is carried out at the speed of 200r/min, when a backflow phenomenon occurs in a four-neck flask, the residual mixed solution is dropwise added, the dropwise addition is completed within 3.0h-4.5h, a heat preservation reaction at 82 ℃ -84 ℃ is carried out after the dropwise addition is completed, about 3h is needed, then cooling is carried out by cold water, when the temperature is reduced to below 40 ℃, then 120-mesh filtering is carried out, and discharging is carried out.
A preparation process of an acrylic resin lens adhesive tape comprises the following steps: and (3) coating the prepared water-based acrylic glue on a PET film, wherein the glue thickness is 33 microns, the drying temperature is 120-145 ℃, the machine speed is 25m/min, and finally, directly coating and rolling are carried out, and the acrylic resin lens adhesive tape is obtained after curing is carried out for 20 hours at the temperature of 60 ℃.
Example 3
The glue preparation step comprises: a stirrer, a reflux condenser and a constant pressure dropping funnel were placed in a 1000mL four-necked flask, and a water bath was opened to raise the temperature to 80 ℃. According to a designed formula, various monomers, an initiator, an additive and a solvent in a certain ratio are mixed, the uniformly mixed solution is added into a constant-pressure dropping funnel, 1/3 of the mixed solution is added into the constant-pressure dropping funnel as a prepolymer after the temperature reaches a set temperature, stirring is carried out at the speed of 200r/min, when a backflow phenomenon occurs in a four-neck flask, the residual mixed solution is started to be dripped, the dripping is completed within 2h-3h, a heat preservation reaction is carried out after the dripping is completed, about 3h-4h is needed, then cooling is carried out by cold water, and the mixed solution is discharged when the temperature is reduced to room temperature.
A preparation process of a loudspeaker diaphragm adhesive tape comprises the following steps: coating the prepared acrylic acid glue on a single-silicon heavy release material, wherein the glue thickness is 35 mu m, the drying temperature is 80-120 ℃, the machine speed is 15m/min, then transferring an acrylic acid pressure-sensitive adhesive layer on the release material onto a light release material through a laminating roller, finally rolling, and curing at 45 ℃ for 2 days to obtain the loudspeaker diaphragm adhesive tape.
Example 4
The glue preparation step comprises: a stirrer, a reflux condenser and a constant pressure dropping funnel are arranged on a 1000mL four-neck flask, a water bath kettle is opened, and the temperature is raised to 76-78 ℃. According to a designed formula, various monomers, an initiator, an additive and deionized water in a certain ratio are mixed, the uniformly mixed solution is added into a constant-pressure dropping funnel, 1/3 of the mixed solution is added into the constant-pressure dropping funnel as a monomer pre-emulsified solution after the temperature reaches a set temperature, stirring is carried out at the speed of 200r/min, when a backflow phenomenon occurs in a four-neck flask, the residual mixed solution is dropwise added, the dropwise addition is completed within 3.0h-4.5h, a heat preservation reaction at 82 ℃ -84 ℃ is carried out after the dropwise addition is completed, about 3h is needed, then cooling is carried out by cold water, when the temperature is reduced to below 40 ℃, then 120-mesh filtering is carried out, and discharging is carried out.
A preparation process of an acrylic resin lens adhesive tape comprises the following steps: and (3) coating the prepared water-based acrylic glue on a PET film, wherein the glue thickness is 40 micrometers, the drying temperature is 120-145 ℃, the machine speed is 25m/min, and finally, directly coating and rolling are carried out, and curing is carried out at 60 ℃ for 20 hours to obtain the acrylic resin lens adhesive tape.
The packaging adhesive tape of the acrylic resin lens provided by the invention can keep stable performance under the condition of (-30-150 ℃), can be peeled off at 150 ℃/6h when being hot, and has no adhesive residue; packaging the polymerized acrylic resin spectacle solution, and performing polymerization curing at the following eight polymerization curing temperature conditions (the first step is at 32-35 ℃/3 h; the second step is at 35-46 ℃/6 h; the third step is at 46-70 ℃/5 h; the fourth step is at 70-110 ℃/3 h; the fifth step is at 110 ℃/2 h; the sixth step is at 110-70 ℃/1.5 h; the seventh step is at 70 ℃/5 h; the eighth step is at 110 ℃/90min), so that the spectacle solution is free of self-separation, whitening, residual glue, gaps and bubbles, has excellent characteristics of no crosslinking polymerization reaction with acrylic lens resin, and has sealing property, high and low temperature resistance and high humidity resistance; the invention provides the packaging adhesive tape of the acrylic resin lens, the initial adhesion of a rolling ball is basically over a No. 10 ball, and the packaging adhesive tape has good flexibility; the packaging adhesive tape for the acrylic resin lens has the advantages that the tensile strength is more than 130N/25mm, the elongation force is about 150N/mm, and the packaging adhesive tape has excellent mechanical properties.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a packaging adhesive tape of inferior gram force resin lens, includes gluing agent layer (1) and PET membrane material layer (2), its characterized in that, gluing agent layer (1) adopts waterborne acrylic acid glue, waterborne acrylic acid glue is made by following part by weight raw materials: 100 parts of soft monomer, 10-28 parts of hard monomer, 5-17 parts of functional group monomer, 100 parts of deionized water, 260 parts of initiator, 0.2-0.75 part of emulsifier, 0.4-1.5 parts of surfactant, 0-0.5 part of chain transfer agent, 0.1-0.5 part of buffering agent, a proper amount of neutralizer, 0-5 parts of cross-linking agent and 0-10 parts of modifying substance.
2. The packaging tape for acrylic resin lenses according to claim 1, wherein: the thickness of the adhesive layer (1) is 30-40 mu m.
3. The packaging tape for acrylic resin lenses according to claim 1, wherein: the thickness of the PET film material layer (2) is 25-36 mu m.
4. The packaging tape for acrylic resin lenses according to claim 1, wherein: the soft monomer comprises one or more of ethyl acrylate, n-butyl acrylate, isobutyl acrylate, isooctyl acrylate and dodecyl methacrylate.
5. The packaging tape for acrylic resin lenses according to claim 1, wherein: the hard monomer comprises one or more of methyl acrylate, methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, vinyl acetate, styrene and acrylonitrile.
6. The packaging tape for acrylic resin lenses according to claim 1, wherein: the functional group monomer comprises one or more of acrylamide, itaconic acid, acrylic acid, beta-hydroxyethyl acrylate, beta-hydroxyethyl methacrylate, beta-hydroxypropyl acrylate, beta-hydroxypropyl methacrylate, polyethylene glycol dimethacrylate and N-hydroxymethyl acrylamide.
7. The packaging tape for acrylic resin lenses according to claim 1, wherein: the cross-linking agent is one or more of aziridine, amino resin and diisocyanate.
8. The packaging tape for acrylic resin lenses according to claim 1, wherein: the initiator adopts ammonium persulfate.
9. The packaging tape for acrylic resin lenses according to claim 1, wherein: the modifying substance comprises one or more of acrylamide, octamethylcyclotetrasiloxane and gamma-methacryloxypropyltrimethoxysilane.
10. The method for preparing the packaging tape of the acrylic resin lens as claimed in claim 1, wherein the specific operation steps are as follows:
1) preparing glue: the method comprises the following steps of putting a stirrer, a reflux condenser and a constant-pressure dropping funnel on a 1000mL four-neck flask, opening a water bath kettle, heating to 76-78 ℃, mixing various monomers, an initiator, an additive and deionized water according to a designed formula in a certain ratio, adding the uniformly mixed solution into the constant-pressure dropping funnel, adding 1/3 serving as a monomer pre-emulsified solution into the constant-pressure dropping funnel when the temperature reaches a set temperature, stirring at the speed of 200r/min, starting to dropwise add the rest mixed solution when a reflux phenomenon occurs in the four-neck flask, completing dropwise adding within 3.0-4.5 h, carrying out a heat preservation reaction at 82-84 ℃ after completing dropwise adding, about 3h, cooling with cold water, and filtering with 120 meshes when the temperature is reduced to below 40 ℃, and discharging;
2) preparing an adhesive tape: and (3) coating the prepared water-based acrylic glue on a PET film, drying at the temperature of 120-145 ℃, at the machine speed of 25m/min, finally directly coating and rolling, and curing at the temperature of 60 ℃ for 20 hours to obtain the acrylic resin lens adhesive tape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010806949.6A CN111876093A (en) | 2020-08-12 | 2020-08-12 | Packaging adhesive tape for acrylic resin lenses and preparation method thereof |
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| CN202010806949.6A CN111876093A (en) | 2020-08-12 | 2020-08-12 | Packaging adhesive tape for acrylic resin lenses and preparation method thereof |
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| CN111876093A true CN111876093A (en) | 2020-11-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969110A (en) * | 2021-11-11 | 2022-01-25 | 美特科技(苏州)有限公司 | Elastomer adhesive, loudspeaker device adopting elastomer adhesive and preparation method of loudspeaker device |
| CN114958220A (en) * | 2021-02-24 | 2022-08-30 | 江苏伊诺尔新材料科技有限公司 | Packaging adhesive tape for resin lenses |
| CN115368851A (en) * | 2021-12-17 | 2022-11-22 | 湖州绿田新材料有限公司 | Acrylate adhesive and application thereof |
-
2020
- 2020-08-12 CN CN202010806949.6A patent/CN111876093A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114958220A (en) * | 2021-02-24 | 2022-08-30 | 江苏伊诺尔新材料科技有限公司 | Packaging adhesive tape for resin lenses |
| CN113969110A (en) * | 2021-11-11 | 2022-01-25 | 美特科技(苏州)有限公司 | Elastomer adhesive, loudspeaker device adopting elastomer adhesive and preparation method of loudspeaker device |
| CN115368851A (en) * | 2021-12-17 | 2022-11-22 | 湖州绿田新材料有限公司 | Acrylate adhesive and application thereof |
| CN115368851B (en) * | 2021-12-17 | 2024-03-22 | 湖州绿田新材料有限公司 | Acrylic adhesive and application thereof |
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Application publication date: 20201103 |