Hot visbreaking glue of a kind of UV solidification and its preparation method and applicationTechnical field
The invention belongs to glass to sweep side technical field, and in particular to a kind of UV solidifies hot visbreaking glue and preparation method thereof and answersWith.
Background technique
Traditional glass sweeps side technique: the viscous silicone protective film fitting glass edging of height, dyestripping need manual removal, and efficiencyLowly；And solvent-based thermal visbreaking adhesive tape, the temperature of visbreaking are excessively high (generally 80-100 DEG C), have certain wind to the operation at sceneDangerous hidden danger is unfavorable for operating；Simultaneously hot visbreaking adhesive tape in the prior art in stripping process there is also certain residue glue phenomenon,It is unfavorable for the progress of subsequent machining technology.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, the new UV solidification heat of one kind is provided and is subtractedThe advantages that viscose glue, hot visbreaking temperature is low (hot initial temperature is down to 70 DEG C), and it is fast to have both visbreaking speed, and initial bonding force is strong.
Invention also provides a kind of preparation methods of above-mentioned hot visbreaking glue.
It is good, high with initial viscosity invention also provides hot visbreaking adhesive tape made of a kind of above-mentioned hot visbreaking glueAfter warm visbreaking visbreaking excellent effect and when tearing off adhesive tape there is no break flour, without residue glue phenomenon the advantages that.
Invention also provides a kind of above-mentioned hot visbreaking adhesive tapes to sweep the application in the processing procedure of side in 2.5D, 3D glass.
In order to solve the above-mentioned technical problem, present invention employs a kind of following technical solutions:
The hot visbreaking glue of a kind of UV solidification, it is characterised in that: the raw material that the UV solidifies hot visbreaking glue includes pre-polymerization resin, gathersUrethane acrylate, reactive diluent, photoinitiator and microspheres；Wherein, in terms of mass percentage, the pre-polymerization treeThe raw material of rouge includes the formula (I) of the Isooctyl acrylate monomer of 60-94.5%, (methyl) acrylate of 5-39.5% and 0.01-1%Compound represented, the pre-polymerization resin is by the Isooctyl acrylate monomer, (methyl) acrylate and formula (I) compound representedIt reacts and is made；
Wherein, the structural formula of formula (I) compound represented is as follows:
Some preferred aspects according to the present invention, it is 1800- that the pre-polymerization resin measures viscosity at a temperature of 10-30 DEG C2200cps。
Some preferred aspects according to the present invention control the reaction and carry out at normal temperature, in the presence of protective gas.RootAccording to some specific aspects of the invention, the protective gas includes but is not limited to nitrogen, argon gas etc..
Some preferred aspects according to the present invention, the reactive diluent are selected from 1,6- hexylene glycol double methacrylate(HDDA), one of two contracting propylene glycol double methacrylates (DPGDA) or tripropylene glycol double methacrylate (TPGDA) or a variety ofCombination.
Some preferred aspects according to the present invention, the photoinitiator be selected from 2,2- dimethoxy -2- phenyl acetophenone,One of 4- dimethylamino-benzoic acid ethyl ester or 4- dimethylamino-benzoic acid ethyl ester or a variety of combinations.
Some preferred aspects according to the present invention, in terms of mass percentage, the UV solidifies in the raw material of hot visbreaking glue,The pre-polymerization resin accounts for 65%-85%, the urethane acrylate accounts for 10%-30%, and the reactive diluent accounts for 0.01%-0.2%, the photoinitiator accounts for 0.01-1%, the microspheres account for 3%-12%.
Some preferred aspects according to the present invention, the urethane acrylate are the polyurethane containing 1-3 degree of functionalityAcrylate, the urethane acrylate containing 1-3 degree of functionality include the three wooden chemical industry 6501,6205,6202, SartomerCN704, CN8004, CN9002, CN966J75NS, at least one of Changxing 641,6113,615-100.
Some preferred aspects according to the present invention, the microspheres are the core-shell structure with kernel and shell, instituteThe material for stating shell is thermoplastic acrylic resin quasi polymer, and the kernel is the microsphere particle of alkanes gas composition.RootAccording to some specific aspects of the invention, the blowing temperature of the microspheres is at 70-120 DEG C.
Some preferred aspects according to the present invention, the partial size of the microspheres are 10-60 μm.It is highly preferred that describedThe partial size of microspheres is 10-40 μm.
Another technical solution provided by the invention: a kind of UV described above solidifies the preparation method of hot visbreaking glue, describedPreparation method includes the following steps:
(1) preparation of pre-polymerization resin: weighing raw material according to formula, by weighed Isooctyl acrylate monomer, (methyl) acrylic acidRouge and formula (I) compound represented mix under the protection of nitrogen occurs polymerization reaction, that is, the pre-polymerization resin is made；
(2) UV solidifies the preparation of hot visbreaking glue: weigh raw material by formula, successively add step (1) preparation pre-polymerization resin,Urethane acrylate, 1,6- hexanediyl ester, 2,2 dimethoxy, 2 phenyl acetophenone and microspheres, are stirredDispersion is mixed, the UV is made and solidifies hot visbreaking glue.
Another technical solution provided by the invention: a kind of hot visbreaking adhesive tape of UV solidification, the UV solidify hot visbreaking adhesive tape packetThe substrate layer being cascading, the hot visbreaking glue-line of UV solidification and release film are included, the UV solidifies hot visbreaking glue-line by above-mentioned instituteThe UV stated solidifies hot visbreaking glue and is made.
More according to the present invention specific and preferred aspect, the UV solidify 30-100 μm of thickness of hot visbreaking glue-line.
More according to the present invention specific and preferred aspect, the material of the substrate layer are selected from poly terephthalic acid secondOne of diester, polyethylene naphthalate, polyimides, thermoplastic polyurethane elastomer and polycarbonate are a variety ofCombination.
Some specific aspects according to the present invention, the release film can have for UV cured silicone release film, solvent typeOne of machine silicon release film, fluorine element release film.
It is prepared via a method which and obtains it is further preferred that the UV solidifies hot visbreaking adhesive tape: on the substrate layerIt covers the UV and solidifies hot visbreaking glue, then fit with release film, form the substrate layer stacked gradually, UV solidifies hot visbreaking glue-lineAnd release film, then use 80-500mJ/cm2Energy carry out UV irradiation, that is, the UV is made and solidifies hot visbreaking adhesive tape.
Another technical solution provided by the invention: one kind UV described above solidifies hot visbreaking adhesive tape in 2.5D, 3D glassSweep the application in the processing procedure of side.
Due to the implementation of above-mentioned technical proposal, the invention has the following advantages over the prior art:
The present invention uses Isooctyl acrylate monomer, (methyl) acrylate and formula (I) compound represented system of certain contentAt pre-polymerization resin, then with urethane acrylate, reactive diluent, photoinitiator and microspheres mixture hot visbreaking is madeGlue not only may be implemented UV solidification (ultraviolet light solidification), but also impart the excellent initial bonding force of hot visbreaking glue, Er QiereVisbreaking initial temperature is low, and visbreaking speed is fast；Simultaneously the hot visbreaking adhesive tape that is made from it be not in use break flour andWithout residue glue phenomenon, while it being also equipped with the advantages that low VOC, speed of production is fast for coating, the thick adjustable section of glue is big, and then be particularly suitable forThe application in the processing procedure of side is swept in 2.5D, 3D glass.
Specific embodiment
The present invention will be further described in detail combined with specific embodiments below, but the present invention is not limited to following implementationsExample.Implementation condition used in the examples can do further adjustment according to specifically used different requirements, the implementation being not specifiedCondition is the normal condition in the industry.It is obtained by those of ordinary skill in the art without making creative effortsAll other embodiment, shall fall within the protection scope of the present invention.
In following, unless otherwise specified, all raw materials are both from conventional method system commercially available or by this fieldIt is standby and obtain.In following, formula (I) compound represented is to make or be purchased from BASF BASF by oneself.
Embodiment 1
Solidify hot visbreaking glue the present embodiment provides a kind of UV and solidifies hot visbreaking adhesive tape, preparation method tool with the UV of its preparationBody includes the following steps:
S1: the preparation of prepolymer resin:
Sequentially add the Isooctyl acrylate monomer of 90g, the methacrylate of 10g, the formula of 0.05g (I) compound representedIt is placed in in glue bucket, polymerize while stirring under the protection of nitrogen, be made, the viscosity of prepolymer is about 1950cps ± 50cps；
S2:UV solidifies the preparation of hot visbreaking glue:
Sequentially add the pre-polymerization resin of 80g of step (S1) preparation, the three wooden chemical industry 6501 of 15g, 1, the 6- of 0.1g oneself twoThe 2 of alcohol diacrylate, 0.05g, 2 dimethoxy, 2 phenyl acetophenone, 3g microspheres be placed in in glue bucket, stirredIt mixes dispersion and obtains the hot visbreaking glue of UV solidification.
S3:UV solidifies the preparation of hot visbreaking adhesive tape:
UV is solidified into hot visbreaking glue and carries out deaeration processing, hot 40 μm of visbreaking glue of the coating UV solidification in 100 μm of PET base materials,It forms UV and solidifies hot visbreaking glue-line, then glue-line and the silicon layer of 50 μm of release films is made to fit, then carry out UV light irradiation (100MJ/cm2), it obtains UV and solidifies hot visbreaking adhesive tape.
Embodiment 2
Solidify hot visbreaking glue the present embodiment provides a kind of UV and solidifies hot visbreaking adhesive tape, preparation method tool with the UV of its preparationBody includes the following steps:
S1: the preparation of prepolymer resin:
Sequentially add the Isooctyl acrylate monomer of 90g, the methacrylate of 10g, the formula of 0.05g (I) compound representedIt is placed in in glue bucket, polymerize while stirring under the protection of nitrogen, be made, the viscosity of prepolymer is about 2000cps ± 50cps；
S2:UV solidifies the preparation of hot visbreaking glue:
Sequentially add the pre-polymerization resin of 80g of step (S1) preparation, the three wooden chemical industry 6501 of 15g, 1, the 6- of 0.1g oneself twoThe 2 of alcohol diacrylate, 0.05g, 2 dimethoxy, 2 phenyl acetophenone, 8g microspheres be placed in in glue bucket, stirredIt mixes dispersion and obtains the hot visbreaking glue of UV solidification.
S3:UV solidifies the preparation of hot visbreaking adhesive tape:
UV is solidified into hot visbreaking glue and carries out deaeration processing, hot 40 μm of visbreaking glue of the coating UV solidification in 100 μm of PET base materials,It forms UV and solidifies hot visbreaking glue-line, then glue-line and the silicon layer of 50 μm of release films is made to fit, then carry out UV light irradiation (100MJ/cm2), it obtains UV and solidifies hot visbreaking adhesive tape.
Embodiment 3
Solidify hot visbreaking glue the present embodiment provides a kind of UV and solidifies hot visbreaking adhesive tape, preparation method tool with the UV of its preparationBody includes the following steps:
S1: the preparation of prepolymer resin:
Sequentially add the Isooctyl acrylate monomer of 90g, the methacrylate of 10g, the formula of 0.05g (I) compound representedIt is placed in in glue bucket, polymerize while stirring under the protection of nitrogen, be made, the viscosity of prepolymer is about 2100cps ± 30cps；
S2:UV solidifies the preparation of hot visbreaking glue:
Sequentially add 1, the 6- hexylene glycol of the pre-polymerization resin of the 80g of step (S1) preparation, the Sartomer CN704,0.1g of 15gThe 2 of diacrylate, 0.05g, 2 dimethoxy, 2 phenyl acetophenone, 12g microspheres be placed in in glue bucket, be stirredDispersion obtains UV and solidifies hot visbreaking glue.
S3:UV solidifies the preparation of hot visbreaking adhesive tape:
UV is solidified into hot visbreaking glue and carries out deaeration processing, hot 40 μm of visbreaking glue of the coating UV solidification in 100 μm of PET base materials,It forms UV and solidifies hot visbreaking glue-line, then glue-line and the silicon layer of 50 μm of release films is made to fit, then carry out UV light irradiation (100MJ/cm2), it obtains UV and solidifies hot visbreaking adhesive tape.
Embodiment 4
Solidify hot visbreaking glue the present embodiment provides a kind of UV and solidifies hot visbreaking adhesive tape, preparation method tool with the UV of its preparationBody includes the following steps:
S1: the preparation of prepolymer resin:
Sequentially add the Isooctyl acrylate monomer of 80g, the methacrylate of 20g, the formula of 0.05g (I) compound representedIt is placed in in glue bucket, polymerize while stirring under the protection of nitrogen, be made, the viscosity of prepolymer is about 2000cps ± 30cps；
S2:UV solidifies the preparation of hot visbreaking glue:
Sequentially add the pre-polymerization resin of the 80g of step (S1) preparation, Changxing 641 of 15g, 1, the 6- hexylene glycol dipropyl of 0.1gThe 2 of olefin(e) acid ester, 0.05g, 2 dimethoxy, 2 phenyl acetophenone, 8g microspheres be placed in in glue bucket, be stirred dispersionIt obtains UV and solidifies hot visbreaking glue.
S3:UV solidifies the preparation of hot visbreaking adhesive tape:
UV is solidified into hot visbreaking glue and carries out deaeration processing, hot 40 μm of visbreaking glue of the coating UV solidification in 100 μm of PET base materials,It forms UV and solidifies hot visbreaking glue-line, then glue-line and the silicon layer of 50 μm of release films is made to fit, then carry out UV light irradiation (100MJ/cm2), it obtains UV and solidifies hot visbreaking adhesive tape.
Comparative example 1
Sequentially add the commercial solvents type acrylic resin A (solid content 30%) of 100g, the TDI type curing agent of 1g, 8gMicrospheres (110 DEG C of blowing temperature) and the organic solvent (toluene) of 57g be placed in in glue bucket, be stirred and disperseTo solvent-based thermal visbreaking glue.
40 μm of the hot visbreaking glue of coating solvent type in 100 μm of PET base materials, the silicon layer of glue-line and 50 μm of release films is affixedIt closes.Baking oven cures 45 DEG C of * 48h, obtains solvent-based thermal visbreaking adhesive tape.
Comparative example 2
Sequentially add the commercial solvents type acrylic resin B (solid content 40%) of 100g, the TDI type curing agent of 1g, 8gMicrospheres (110 DEG C of blowing temperature) and the organic solvent (toluene) of 61g be placed in in glue bucket, be stirred and disperseTo solvent-based thermal visbreaking glue.
40 μm of the hot visbreaking glue of coating solvent type in 100 μm of PET base materials, the silicon layer of glue-line and 50 μm of release films is affixedIt closes.Baking oven cures 45 DEG C of * 48h, obtains solvent-based thermal visbreaking adhesive tape.
Performance test
The comprehensive physical index of the adhesive tape of testing example 1-4, ratio power 1-2, test comparison data are as shown in the following table 1 and 2:
(glue thickness testing standard: GB/T 13541-92；Sticky testing standard: GB/T 2792-1998；Residue glue test: warpVisbreaking adhesive tape is torn after crossing high temperature, under dark room conditions, observes residue glue situation with 1500lmLED light source irradiation glass surface.ItsIn " △ " " △-zero " "○" respectively indicate the degree of residue glue, successively indicate it is slight it is dirty, relatively it is slight it is dirty, without residue glue)
Table 1
Table 2
In conjunction with the embodiments and from the point of view of ratio, subtract after solidifying the initial viscosity of hot visbreaking formula system adhesive tape, high temperature using UVViscous effect and residue glue stabilizing effect is superior to the hot visbreaking adhesive tape of traditional solvent-borne；Simultaneously using the process advan in productionImproved efficiency, energy consumption reduce, and adhesive tape processing temperature controllability range is bigger, and comprehensive benefit is obvious.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the artScholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present inventionEquivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.