CN113231282A - Method for reducing UV (ultraviolet) adhesive shrinkage and drying and curing device thereof - Google Patents
Method for reducing UV (ultraviolet) adhesive shrinkage and drying and curing device thereof Download PDFInfo
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- CN113231282A CN113231282A CN202011030771.7A CN202011030771A CN113231282A CN 113231282 A CN113231282 A CN 113231282A CN 202011030771 A CN202011030771 A CN 202011030771A CN 113231282 A CN113231282 A CN 113231282A
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- 238000001035 drying Methods 0.000 title claims abstract description 51
- 239000000853 adhesive Substances 0.000 title claims abstract description 40
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 230000001678 irradiating effect Effects 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000004132 cross linking Methods 0.000 claims abstract description 4
- 238000001723 curing Methods 0.000 claims description 61
- 238000010438 heat treatment Methods 0.000 claims description 31
- 238000007711 solidification Methods 0.000 claims description 25
- 230000008023 solidification Effects 0.000 claims description 25
- 239000002274 desiccant Substances 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 17
- 239000000178 monomer Substances 0.000 claims description 16
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003085 diluting agent Substances 0.000 claims description 5
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 3
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims description 3
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims description 3
- JTHZUSWLNCPZLX-UHFFFAOYSA-N 6-fluoro-3-methyl-2h-indazole Chemical compound FC1=CC=C2C(C)=NNC2=C1 JTHZUSWLNCPZLX-UHFFFAOYSA-N 0.000 claims description 2
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 claims description 2
- -1 TPGDA Chemical compound 0.000 claims description 2
- 238000003848 UV Light-Curing Methods 0.000 claims description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 claims description 2
- 239000004611 light stabiliser Substances 0.000 claims description 2
- ZDHCZVWCTKTBRY-UHFFFAOYSA-N omega-Hydroxydodecanoic acid Natural products OCCCCCCCCCCCC(O)=O ZDHCZVWCTKTBRY-UHFFFAOYSA-N 0.000 claims description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- 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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
Abstract
The invention provides a method for reducing UV (ultraviolet) glue shrinkage and a drying and curing device thereof, which are implemented according to the following steps in the UV glue curing process: irradiating the surface of the ultraviolet curing adhesive by using 5W weak ultraviolet light to enable the surface of the adhesive to be subjected to strain relaxation, and enabling the surface of the adhesive to generate a complete cross-linking structure and postponing a gel point of a reaction at the lower part of a coating; secondly, the ultraviolet curing glue is irradiated and cured by using 500W of strong ultraviolet light in the oven, and meanwhile, an exhaust device is arranged in the oven to ensure that the glue is uniformly heated. According to the invention, the ultraviolet curing adhesive is irradiated by using 5W of weak light and then by using 500W of strong light, so that the stress relaxation is relieved, the volume shrinkage is reduced and even controlled, and the adhesive force of the UV adhesive to the base material is increased.
Description
Technical Field
The invention relates to the field of ultraviolet light curing adhesive production, in particular to a method for reducing UV adhesive shrinkage and a drying and curing device.
Background
The UV adhesive is increasingly emphasized due to the advantages of high curing speed, no solvent, high production efficiency, energy conservation and the like, the UV adhesive is divided into free radicals and cationic types according to the curing mechanism, at present, more than 95 percent of the UV adhesive is acrylic acid free radicals, the polymerization time is short, but the volume shrinkage is serious, and the photopolymerization reaction is fast, so that the distance between molecules is changed from van der Waals force before the reaction into chemical covalent bond after the reaction, the distance between molecules is obviously reduced in a short time, the molecular chain cannot be stretched, the internal stress between molecules cannot be released, the volume shrinkage is caused, and the service performance of the material is influenced.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the invention provides a method for reducing volume shrinkage of UV (ultraviolet) glue, which is implemented in the UV glue curing process according to the following steps: irradiating the surface of the ultraviolet curing adhesive by using 5W weak ultraviolet light to enable the surface of the adhesive to be subjected to strain relaxation, and enabling the surface of the adhesive to generate a complete cross-linking structure and postponing a gel point of a reaction at the lower part of a coating; secondly, the ultraviolet curing glue is irradiated and cured by using 500W of strong ultraviolet light in the oven, and meanwhile, an exhaust device is arranged in the oven to ensure that the glue is uniformly heated.
Further, the UV curing adhesive is prepared according to the following method: firstly, preparing acrylic resin: putting 60-75 parts of soft monomer, 10-20 parts of hard monomer, 5-8 parts of functional monomer and a proper amount of initiator into a reaction kettle for stirring, continuously adding the initiator by using a burette in the stirring process, and illuminating by using an LED to 8000-10000cps for discharging; secondly, adding the reactive diluent, the initiator, the ultraviolet absorber and the light stabilizer into the acrylic resin and uniformly stirring.
Further, the soft monomer includes at least one of: isooctyl acrylate, butyl acrylate, lauryl acrylate, stearyl acrylate; the hard monomer includes at least one of: methyl acrylate, methyl methacrylate, isobornyl acrylate, styrene; the functional monomer comprises at least one of the following: hydroxyethyl acrylate, hydroxypropyl acrylate, acrylic acid; the reactive diluent comprises at least one of: TMPTMA, TPGDA, HDDA.
The invention also provides a UV adhesive drying and curing device, which comprises: first stoving solidification passageway, second stoving solidification passageway, first stoving passageway with second stoving solidification passageway intercommunication, first stoving solidification passageway includes: the drying and curing device comprises a first heating device, a first ultraviolet irradiation device, a first centrifugal fan and a first communication elbow, wherein the first heating device is installed at the lower side in a first drying and curing channel, the first ultraviolet irradiation device is installed at the upper side in the first drying and curing channel, the first centrifugal fan is installed above the first drying and curing channel, the first centrifugal fan penetrates through the top of the first drying and curing channel, the first end of the first communication elbow is connected with the top outlet of the first centrifugal fan, and the second end of the first communication elbow is communicated with the bottom of the first drying and curing channel; the second drying and curing channel comprises: second heating device, second ultraviolet irradiation device, second centrifugal fan, second intercommunication return bend, second heating device installs downside in the second stoving solidification passageway, second ultraviolet irradiation device installs upside in the second stoving solidification passageway, second centrifugal fan runs through the top of second stoving solidification passageway, the first end of second intercommunication return bend with the top export of second centrifugal fan links to each other, the second end of second intercommunication return bend with the bottom intercommunication of second stoving solidification passageway.
Furthermore, the inner surfaces of the first drying and curing channel and the second drying and curing channel are coated with reflective coatings, a double-sided reflector is arranged between the first drying and curing channel and the second drying and curing channel for the release film to pass through, and a channel for the release film to pass through is reserved on the double-sided reflector.
Further, the power of the first ultraviolet irradiation device is 5W, and the power of the second ultraviolet irradiation device is 500W.
Further, the first heating device and the second heating device are specifically heating screens heated by electric heating wires, the second end of the first communicating bent pipe is located below the first heating device, and the second end of the second communicating bent pipe is located below the second heating device.
Furthermore, a detachable first desiccant placing pipe is installed in the middle of the first communication elbow pipe, and a detachable second desiccant placing pipe is installed in the middle of the second communication elbow pipe.
Furthermore, threads are arranged at the front end and the rear end of the first desiccant placing pipe, the desiccant placing pipe is connected to the middle of the first connecting bent pipe in a rotating mode through the threads, and asbestos meshes are arranged in the first connecting bent pipes on the two sides of the first desiccant placing pipe; both ends are provided with the screw thread around the pipe is placed to the second drier, the pipe is placed to the drier through the screw thread switching in the middle part of second connection return bend, the second drier is placed and is provided with the asbestos gauge in the second intercommunication return bend of pipe both sides.
Compared with the prior art, the invention provides a method for reducing volume shrinkage of UV (ultraviolet) colloid, which has the following beneficial effects:
the ultraviolet curing process of the UV adhesive comprises two steps of curing, namely, irradiating the UV adhesive by using 5W of weak light, and then irradiating by using 500W of strong light, so that stress relaxation is relieved, volume shrinkage is reduced or even controlled, and the adhesive force of the UV adhesive to a base material is increased.
2, the ultraviolet curing device is arranged in the drying device, so that the working efficiency of the device is improved, and the space is saved.
3, the drying device is internally provided with the centrifugal fan, the connecting bent pipe and the drying agent placing pipe, so that internal circulating air flow is formed in the drying device, the colloid is uniformly heated and dried in the drying device, and meanwhile, the heat loss and the energy consumption are reduced.
Drawings
Fig. 1 is a schematic structural diagram of a UV adhesive drying and curing device.
Wherein: 1-a first drying and curing channel; 2-a second drying and curing channel; 3-a first heating device; 4-a first ultraviolet irradiation device; 5-centrifugal fan; 6-a first connecting elbow; 7-a first desiccant placement tube; 8-a second heating device; 9-a second ultraviolet irradiation device; 10-a second centrifugal fan; 11-a second connecting elbow; 12-a second desiccant placement tube; 13-double-sided reflecting plate.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments accompanied with figures are described in detail below, and it is apparent that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
The present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The invention provides a method for reducing UV colloidal volume shrinkage, which comprises the following steps of using 60-75 parts of soft monomer such as isooctyl acrylate, 10-20 parts of hard monomer such as one or two of methyl acrylate, methyl methacrylate, isobornyl acrylate, styrene and the like; and 5-8 parts of functional monomer, such as one or two of hydroxyethyl acrylate, hydroxypropyl acrylate, acrylic acid, methacrylic acid and the like, and the functional monomer is compounded by benzophenone and 1-hydroxycyclohexyl phenyl ketone to obtain a mixture of 2: 3, irradiating to 8000-10000cps by using an LED of 500w/cm2, adding a TMPTMA, isobornyl acrylate and other reactive diluents to adjust the performance and viscosity to obtain the UV adhesive in the later stage, and performing the following steps in the UV adhesive curing process: irradiating the surface of the ultraviolet curing adhesive by using 5W weak ultraviolet light to enable the surface of the adhesive to be subjected to strain relaxation, and enabling the surface of the adhesive to generate a complete cross-linking structure and postponing a gel point of a reaction at the lower part of a coating; secondly, the ultraviolet curing glue is irradiated and cured by using 500W of strong ultraviolet light in the oven, and meanwhile, an exhaust device is arranged in the oven to ensure that the glue is uniformly heated.
As shown in the figure, the invention also provides a UV glue drying and curing device, which comprises: first stoving solidification passageway 1, second stoving solidification passageway 2, first stoving passageway 1 with second stoving solidification passageway 2 intercommunication, first stoving solidification passageway 1 includes: the drying and curing device comprises a first heating device 3, a first ultraviolet irradiation device 4, a first centrifugal fan 5 and a first communication elbow 6, wherein the first heating device 3 is installed at the lower side in a first drying and curing channel 1, the first ultraviolet irradiation device 4 is installed at the upper side in the first drying and curing channel 1, the first centrifugal fan 5 is installed above the first drying and curing channel 1, the first centrifugal fan 5 penetrates through the top of the first drying and curing channel 1, the first end of the first communication elbow 6 is connected with the top outlet of the first centrifugal fan 5, and the second end of the first communication elbow 6 is communicated with the bottom of the first drying and curing channel 1; the second drying and curing channel 2 comprises: second heating device 8, second ultraviolet irradiation device 9, second centrifugal fan 10, second intercommunication return bend 11, second heating device 8 is installed downside in the second stoving solidification passageway 2, second ultraviolet curing device 9 is installed upside in the second stoving solidification passageway 2, second centrifugal fan 10 runs through the top of second stoving solidification passageway 2, the first end of second intercommunication return bend 11 with the top export of second centrifugal fan 10 links to each other, the second end of second intercommunication return bend 11 with the bottom intercommunication of second stoving solidification passageway 2.
The inner surfaces of the first drying and curing channel 1 and the second drying and curing channel 2 are coated with reflective coatings, a double-sided reflecting plate 13 is arranged between the first drying and curing channel 1 and the second drying and curing channel 2 for separation, and a channel for a release film to pass through is reserved on the double-sided reflecting plate 13.
The power of the first ultraviolet irradiation device is 5W, and the power of the second ultraviolet irradiation device is 500W.
The first heating device 3 and the second heating device 8 are specifically heating wire heating screen plates, the second end of the first communicating bent pipe 6 is located below the first heating device 3, and the second end of the second communicating bent pipe 11 is located below the second heating device 8.
The middle part of the first communication elbow 6 is provided with a detachable first desiccant placing pipe 7, and the middle part of the second communication elbow 11 is provided with a detachable second desiccant placing pipe 12.
Threads are arranged at the front end and the rear end of the first desiccant placing pipe 7, the desiccant placing pipe 7 is connected to the middle of the first connecting bent pipe 6 in a rotating mode through the threads, and asbestos meshes are arranged in the first connecting bent pipe 6 on the two sides of the first desiccant placing pipe; both ends are provided with the screw thread around second drier places pipe 12, the drier is placed the pipe and is in through 12 screw thread switching the middle part of second connection return bend 11, be provided with the asbestos gauge in the second intercommunication return bend 11 of pipe 12 both sides is placed to the second drier.
Claims (9)
1. The method for reducing the shrinkage of the UV adhesive is characterized by being implemented in the UV adhesive curing process according to the following steps: irradiating the surface of the ultraviolet curing adhesive by using 5W weak ultraviolet light to enable the surface of the adhesive to be subjected to strain relaxation, and enabling the surface of the adhesive to generate a complete cross-linking structure and postponing a gel point of a reaction at the lower part of a coating; secondly, the ultraviolet curing glue is irradiated and cured by using 500W of strong ultraviolet light in the oven, and meanwhile, an exhaust device is arranged in the oven to ensure that the glue is uniformly heated.
2. The method for reducing the shrinkage of the UV adhesive according to claim 1, wherein the UV curing adhesive is prepared according to the following method: firstly, preparing acrylic resin: putting 60-75 parts of soft monomer, 10-20 parts of hard monomer, 5-8 parts of functional monomer and a proper amount of initiator into a reaction kettle for stirring, continuously adding the initiator by using a burette in the stirring process, and illuminating by using an LED to 8000-10000cps for discharging; secondly, adding the reactive diluent, the initiator, the ultraviolet absorber and the light stabilizer into the acrylic resin and uniformly stirring.
3. The method of claim 2, wherein the soft monomer comprises at least one of: isooctyl acrylate, butyl acrylate, lauryl acrylate, stearyl acrylate; the hard monomer includes at least one of: methyl acrylate, methyl methacrylate, isobornyl acrylate, styrene; the functional monomer comprises at least one of the following: hydroxyethyl acrylate, hydroxypropyl acrylate, acrylic acid; the reactive diluent comprises at least one of: TMPTMA, TPGDA, HDDA.
4. The utility model provides a stoving solidification equipment of UV glue which characterized in that includes: first stoving solidification passageway, second stoving solidification passageway, first stoving passageway with second stoving solidification passageway intercommunication, first stoving solidification passageway includes: the drying and curing device comprises a first heating device, a first ultraviolet irradiation device, a first centrifugal fan and a first communication elbow, wherein the first heating device is installed at the lower side in a first drying and curing channel, the first ultraviolet irradiation device is installed at the upper side in the first drying and curing channel, the first centrifugal fan is installed above the first drying and curing channel, the first centrifugal fan penetrates through the top of the first drying and curing channel, the first end of the first communication elbow is connected with the top outlet of the first centrifugal fan, and the second end of the first communication elbow is communicated with the bottom of the first drying and curing channel; the second drying and curing channel comprises: second heating device, second ultraviolet irradiation device, second centrifugal fan, second intercommunication return bend, second heating device installs downside in the second stoving solidification passageway, second ultraviolet irradiation device installs upside in the second stoving solidification passageway, second centrifugal fan runs through the top of second stoving solidification passageway, the first end of second intercommunication return bend with the top export of second centrifugal fan links to each other, the second end of second intercommunication return bend with the bottom intercommunication of second stoving solidification passageway.
5. The UV adhesive drying and curing device according to claim 4, wherein the inner surfaces of the first drying and curing channel and the second drying and curing channel are coated with a reflective coating, a double-sided reflective plate is arranged between the first drying and curing channel and the second drying and curing channel, and a channel for a release film to pass through is reserved on the double-sided reflective plate.
6. The UV adhesive drying and curing device of claim 4, wherein the power of the first UV light irradiation device is 5W, and the power of the second UV light irradiation device is 500W.
7. The UV adhesive drying and curing device according to claim 4, wherein the first heating device and the second heating device are heating wire heating screens, the second end of the first communication elbow is located below the first heating device, and the second end of the second communication elbow is located below the second heating device.
8. The UV adhesive drying and curing device according to claim 4, wherein a first desiccant placing pipe is detachably installed at a middle portion of the first communication elbow, and a second desiccant placing pipe is detachably installed at a middle portion of the second communication elbow.
9. The drying and curing device for the UV adhesive according to claim 4, wherein threads are arranged at the front end and the rear end of the first desiccant placing pipe, the desiccant placing pipe is connected to the middle of the first connecting bent pipe in a rotating mode through the threads, and asbestos meshes are arranged in the first connecting bent pipe at two sides of the first desiccant placing pipe; both ends are provided with the screw thread around the pipe is placed to the second drier, the pipe is placed to the drier through the screw thread switching in the middle part of second connection return bend, the second drier is placed and is provided with the asbestos gauge in the second intercommunication return bend of pipe both sides.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020102436148 | 2020-03-31 | ||
| CN202010243614.8A CN111250370A (en) | 2020-03-31 | 2020-03-31 | Method for reducing UV (ultraviolet) adhesive shrinkage and drying and curing device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113231282A true CN113231282A (en) | 2021-08-10 |
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| CN202010243614.8A Withdrawn CN111250370A (en) | 2020-03-31 | 2020-03-31 | Method for reducing UV (ultraviolet) adhesive shrinkage and drying and curing device thereof |
| CN202011030771.7A Pending CN113231282A (en) | 2020-03-31 | 2020-09-27 | Method for reducing UV (ultraviolet) adhesive shrinkage and drying and curing device thereof |
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|---|---|---|---|---|
| CN112452682B (en) * | 2020-11-27 | 2023-04-07 | 无锡锐科光纤激光技术有限责任公司 | UV adhesive curing method and fast axis collimating lens fixing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786075A (en) * | 2010-01-14 | 2010-07-28 | 刘思健 | Low-temperature energy-saving solidifying method and device for photosensitive coating |
| CN104827817A (en) * | 2015-04-23 | 2015-08-12 | 上海友浦塑胶有限公司 | High transmitting optical 3D stereoscopic effect decorative film and preparation technology thereof |
| CN206981131U (en) * | 2017-07-26 | 2018-02-09 | 黄山万丽美油墨科技有限公司 | A kind of continuous solidification equipment of UV LED film coatings |
-
2020
- 2020-03-31 CN CN202010243614.8A patent/CN111250370A/en not_active Withdrawn
- 2020-09-27 CN CN202011030771.7A patent/CN113231282A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786075A (en) * | 2010-01-14 | 2010-07-28 | 刘思健 | Low-temperature energy-saving solidifying method and device for photosensitive coating |
| CN104827817A (en) * | 2015-04-23 | 2015-08-12 | 上海友浦塑胶有限公司 | High transmitting optical 3D stereoscopic effect decorative film and preparation technology thereof |
| CN206981131U (en) * | 2017-07-26 | 2018-02-09 | 黄山万丽美油墨科技有限公司 | A kind of continuous solidification equipment of UV LED film coatings |
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| CN111250370A (en) | 2020-06-09 |
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Application publication date: 20210810 |