CN105111998A - Ultraviolet curing adhesive - Google Patents
Ultraviolet curing adhesive Download PDFInfo
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- CN105111998A CN105111998A CN201510599894.5A CN201510599894A CN105111998A CN 105111998 A CN105111998 A CN 105111998A CN 201510599894 A CN201510599894 A CN 201510599894A CN 105111998 A CN105111998 A CN 105111998A
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Abstract
The invention provides an ultraviolet curing adhesive. The ultraviolet curing adhesive comprises the following components in parts by weight: 5-20 parts of polyester acrylate oligomer, 15-35 parts of urethane acrylate, 5-20 parts of epoxy acrylate, 50-120 parts of an active diluent and 1-3 parts of a photoinitiator. The adhesive comprises three unsaturated oligomers, namely, polyester acrylate oligomer, urethane acrylate and epoxy acrylate at the same time, so that the bonding strength and weather resistance of the adhesive can be effectively improved, and the adhesive is enabled to have a better comprehensive property; the dosage of the components is limited within the range, so that the ultraviolet curing adhesive with high bonding strength, good weather resistance and a good coating processing property is obtained.
Description
Technical field
The present invention relates to Photocurable adhesive field, in particular to a kind of ultraviolet light curing adhesive.
Background technology
Ultraviolet light curing adhesive be a kind of have solidification rapidly, strong, the solidification of environmental protection, bonding force time without the tackiness agent of the feature such as heat effect and wide accommodation.Its principle utilizes light trigger under UV-irradiation, causes that unsaturated organic monomers carries out being polymerized, a class tackiness agent that grafting, the chemical reaction such as crosslinked reach rapid solidification.Owing to having the features such as set time is short, capacity usage ratio is high, solidification value is low, free from environmental pollution, so once there is the extensive concern receiving people in it.
Publication number is that the patent application of CN102898980 provides a kind of ultraviolet curing acrylic ester sizing agent, and it is obtained by methyl methacrylate, butyl acrylate, vinyl acetate and toluene etc.This sizing agent has that curing speed is fast, bonding strength is high and the advantage such as shock resistance is good, has been widely used in the bonding of the multiple materials such as metal, glass, crystal and stone material, has had good economic results in society.But this sizing agent also exists a lot of weak point, such as, be solvent with toluene, the problem such as it has that environmental pollution is high, shock resistance is poor and light, thermostability be lower.
Grant number is that the Chinese patent of CN102732183 provides a kind of Liquid optical clear adhesive for liquid crystal display touch screen, and it is obtained with oxidation inhibitor etc. by liquid synthetic rubber, terpine resin, latent curing agent, light trigger.This transparent adhesive tape has that light transmission is good, ductility is good and the advantage such as yellowing resistance is excellent.But the problem also existed inorganic ground bonding strength deficiencies such as multiple organic substrates and glass.
Grant number is that the Chinese patent of CN101701143 provides a kind of ultraviolet light curing adhesive, and it is obtained by polyester type and urethane diacrylate oligopolymer, isobornyl acrylate isoreactivity free radical monomer, 1-hydroxycyclohexyl phenylketone and silane coupling agent etc.This sizing agent is applicable to multiple organic substrates, glass and metal etc., can realize medium tenacity bonding.But and the weathering resistance of not mentioned material, be not suitable for outdoor application.
In a word, there is the defect that cohesive strength and weathering resistance cannot get both in existing ultraviolet light curing adhesive.Existence in view of the above problems, is necessary to prepare a kind of ultraviolet curing adhesive having high bond strength and good weatherability properties concurrently.
Summary of the invention
Main purpose of the present invention is to provide a kind of ultraviolet light curing adhesive, to solve the problem that prior art medium ultraviolet Photocurable adhesive high bond strength and good weatherability properties cannot get both.
To achieve these goals, one aspect of the invention provides a kind of ultraviolet light curing adhesive, with parts by weight, this tackiness agent comprises the light trigger of the polyester acrylate oligomers of 5 ~ 20 parts, the urethane acrylate of 15 ~ 35 parts, the epoxy acrylate of 5 ~ 20 parts, the reactive thinner of 50 ~ 120 parts and 1 ~ 3 part.
Further, with parts by weight, tackiness agent comprises the light trigger of the polyester acrylate oligomers of 8 ~ 12 parts, the urethane acrylate of 20 ~ 30 parts, the epoxy acrylate of 8 ~ 15 parts, the reactive thinner of 50 ~ 70 parts and 1.5 ~ 3 parts.
Further, the weight of reactive thinner and the ratio of polyester acrylate oligomers, urethane acrylate and epoxy acrylate three kinds of acrylate gross weights are 4:6 ~ 6:4.
Further, reactive thinner is monofunctional compound; Polyester acrylate oligomers comprises 1 ~ 2 functional group; Urethane acrylate comprises 1 ~ 3 functional group; And epoxy acrylate comprises 1 ~ 3 functional group.
Further, reactive thinner comprises isobornyl acrylate, ethoxyethoxyethyl acrylate, tetrahydrofuran (THF) acrylate and 4-hy-droxybutyl.
Further, with parts by weight, reactive thinner comprises the 4-hy-droxybutyl of the isobornyl acrylate of 5 ~ 20 parts, the ethoxyethoxyethyl acrylate of 5 ~ 25 parts, the tetrahydrofuran (THF) acrylate of 20 ~ 40 parts and 20 ~ 30 parts.
Further, urethane acrylate is aliphatic urethane acrylate, is preferably single functionality aliphatic urethane acrylate and/or difunctionality aliphatic urethane acrylate.
Further, with parts by weight, tackiness agent also comprises the antioxidant of the ultraviolet absorbers of 0.1 ~ 5 part, the photostabilizer of 0.1 ~ 5 part and 0.2 ~ 1 part.
Further, with parts by weight, tackiness agent also comprises the antioxidant of the ultraviolet absorbers of 0.2 ~ 1 part, the photostabilizer of 0.5 ~ 2 part and 0.5 ~ 1 part.
Further, light trigger is selected from 1-hydroxycyclohexyl phenyl ketone, 2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-1-acetone and 1, one or more in the group that 1-(methylene radical-two-4,1-phenylene) two [2-hydroxy-2-methyl-1-propane ketone] forms;
Ultraviolet absorbers is selected from hydroxyl phenol and triazine, 2-(2H-benzotriazole-2-base)-4,6-bis-tert-amyl phenol and 6-methylheptyl 2-{4-[4,6-bis-(4-xenyl)-1,3,5-triazine-2-base]-3-hydroxyphenoxy propionic ester composition group in one or more;
Photostabilizer is selected from sebacic acid methyl isophthalic acid, and 2,2,6,6-pentamethyl--4-piperidine ester, two [2,2,6,6-tetramethyl--1-(octyl group oxygen base)-4-piperidyl] sebate and poly-{ [6-[(1,1,3,3-tetramethyl butyl) amino]]-1,3,5-triazine-2,4-[(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1,6-oneself two support [(2,2,6,6-tetramethyl--4-piperidyl) imino-] one or more in the group that forms;
Antioxidant is selected from hydroquinone dibenzyl ether, β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol fat and four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester composition group in one or more.
The invention provides a kind of ultraviolet light curing adhesive.Apply technical scheme of the present invention, in above-mentioned tackiness agent provided by the invention, include polyester acrylate oligomers, urethane acrylate and epoxy acrylate three kinds of unsaturated oligomer simultaneously.The viscosity of polyester acrylate oligomers is low, and better with the consistency of other components, makes tackiness agent have lower viscosity.Epocryl hydroxyl, ether, ester group isopolarity group, this constructional feature makes epoxy resin can produce powerful interaction force with adherend, and it has higher photocuring activity, this is conducive to the bond strength and the polymerization that improve ultraviolet light curing adhesive; Urethane acrylate has good snappiness, especially low-temperature flexibility, and himself also has good wear resistance, resistance to deterioration and high-tear strength, being thus added with to be beneficial to and improving the over-all properties such as toughness, wear resistance, resistance to deterioration of ultraviolet curing adhesive of urethane acrylate.Above-mentioned three kinds of unsaturated oligomer use simultaneously, effectively can improve cohesive strength and the weathering resistance of tackiness agent, make tackiness agent have preferably over-all properties.In addition, the consumption of each component is limited in above-mentioned scope, is conducive to the ultraviolet light curing adhesive obtaining having high bond strength, good weatherability properties and good coating waste water performance concurrently.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.The present invention is described in detail below in conjunction with embodiment.
As described by background technology, existing there is binding agent cohesive strength and the weathering resistance problem that cannot get both.In order to address this problem, the invention provides a kind of ultraviolet light curing adhesive, with parts by weight, this tackiness agent comprises the light trigger of the polyester acrylate oligomers of 5 ~ 20 parts, the urethane acrylate of 15 ~ 35 parts, the epoxy acrylate of 5 ~ 20 parts, the reactive thinner of 50 ~ 120 parts and 1 ~ 3 part.
Include polyester acrylate oligomers, urethane acrylate and epoxy acrylate three kinds of unsaturated oligomer in above-mentioned tackiness agent provided by the invention simultaneously.The viscosity of polyester acrylate oligomers is low, and better with the consistency of other components, makes tackiness agent have lower viscosity.Epocryl hydroxyl, ether, ester group isopolarity group, this constructional feature makes epoxy resin can produce powerful interaction force with adherend, and it has higher photocuring activity, this is conducive to the bond strength and the polymerization that improve ultraviolet light curing adhesive; Urethane acrylate has good snappiness, especially low-temperature flexibility, and himself also has good wear resistance, resistance to deterioration and high-tear strength, being thus added with to be beneficial to and improving the over-all properties such as toughness, wear resistance, resistance to deterioration of ultraviolet curing adhesive of urethane acrylate.Above-mentioned three kinds of unsaturated oligomer use simultaneously, effectively can improve cohesive strength and the weathering resistance of tackiness agent, make tackiness agent have preferably over-all properties.In addition, the consumption of each component is limited in above-mentioned scope, is conducive to the ultraviolet light curing adhesive obtaining having high bond strength, good weatherability properties and good coating waste water performance concurrently.
As long as ultraviolet light curing adhesive has said components, higher bond strength and good weathering resistance can be had concurrently.In a preferred embodiment, with parts by weight, this tackiness agent comprises the light trigger of the polyester acrylate oligomers of 8 ~ 12 parts, the urethane acrylate of 20 ~ 30 parts, the epoxy acrylate of 8 ~ 15 parts, the reactive thinner of 50 ~ 70 parts and 1.5 ~ 3 parts.By the ratio control of said components in above-mentioned scope, be conducive to the performance balancing each side such as bond strength, weathering resistance, wear resistance further, to obtain the more excellent ultraviolet light curing adhesive of performance.
In a preferred embodiment, this tackiness agent comprises polyester acrylate oligomers, urethane acrylate, epoxy acrylate, reactive thinner and light trigger; Wherein the weight of reactive thinner and the ratio of polyester acrylate oligomers, urethane acrylate and epoxy acrylate three kinds of acrylate gross weights are 4:6 ~ 6:4.The weight ratio of three kinds of acrylate sums of reactive thinner and polyester acrylate oligomers, urethane acrylate and epoxy acrylate is limited in above-mentioned scope bond strength, good weatherability properties and the good coating waste water performance being conducive to improving further ultraviolet light curing adhesive etc. over-all properties.
In a preferred embodiment, reactive thinner is monofunctional compound; Polyester acrylate oligomers comprises 1 ~ 2 functional group; Urethane acrylate comprises 1 ~ 3 functional group; And epoxy acrylate comprises 1 ~ 3 functional group.The functional group contained of above-mentioned each component is controlled respectively in above-mentioned scope, is conducive to the polymerization velocity preparing ultraviolet curing adhesive to control in more suitably scope.Carry out adjustment by the reticulated structure of suitable functional group's proportioning to the final cure polymer of ultraviolet light curing adhesive to select simultaneously, make it have the over-all propertieies such as better bond strength, toughness, weathering resistance.
The epoxy acrylate of single functionality comprise the 620-100 of Changxing company, 6209 of Changxing company and RAHN company 4188; The epoxy acrylate of difunctionality comprises the MIRAMER230 of the 6210G of Changxing company, CN104NS and the MIWON company of Sartomer; The epoxy acrylate of three-functionality-degree comprises the GU1700P of the MIRAMERERP400 of MIWON company, 6261 of Changxing company and Guo Jing chemical company.
Single functionality polyester acrylate oligomers comprises the D100 of the CN3108NS model of Sartomer, the 6314C-55 model of Changxing company and ALLEX company; The polyester acrylate oligomers of difunctionality comprises the PS420 of GU8703D, MIWON company and the CN704 of Sartomer of Guo Jing chemical company.
In above-mentioned ultraviolet light curing adhesive, the reactive thinner that reactive thinner can select this area conventional, as long as it can regulate the viscosity of tackiness agent.In a preferred embodiment, above-mentioned reactive thinner includes but not limited to one or more in the group that isobornyl acrylate, ethoxyethoxyethyl acrylate, tetrahydrofuran (THF) acrylate and 4-hy-droxybutyl form.Above-mentioned several reactive thinner, except reducing except the viscosity of ultraviolet light curing adhesive, also and between other several unsaturated oligomer has good consistency, can improve the over-all properties of tackiness agent further.Meanwhile, itself is as photo-curing monomer, and also have good photocuring active, cured product also has preferably toughness, can improve the toughness of tackiness agent further.
The instruction above-mentioned according to the present invention, those skilled in the art can select the proportionlity between its different activities thinner of concrete reactive thinner.In a preferred embodiment, with parts by weight, reactive thinner comprises the 4-hy-droxybutyl of the isobornyl acrylate of 5 ~ 20 parts, the ethoxyethoxyethyl acrylate of 5 ~ 25 parts, the tetrahydrofuran (THF) acrylate of 20 ~ 40 parts and 20 ~ 30 parts.The proportionlity of component each in above-mentioned reactive thinner is controlled in above-mentioned scope, is conducive to improving further reactive thinner and is regulating the over-all properties in the viscosity of tackiness agent, seepage force and toughness etc.
In above-mentioned ultraviolet light curing adhesive, those skilled in the art can select the type of urethane acrylate.In a preferred embodiment, urethane acrylate includes but not limited to aliphatic urethane acrylate.Aliphatic urethane acrylate has good anti-yellowing property, adds the anti-yellowing property that this component is conducive to improving ultraviolet light curing adhesive.Preferably, be single functionality aliphatic urethane acrylate and/or difunctionality aliphatic urethane acrylate.Select the aliphatic urethane acrylate of above-mentioned functionality, be conducive to the anti-yellowing property improving ultraviolet light curing adhesive, ensure that it has good reactive behavior simultaneously.Particularly, single functionality aliphatic urethane acrylate includes but not limited to double bond chemical industry 5404 and/or RAHN4188, and difunctionality aliphatic urethane acrylate includes but not limited to that state refines and learns GU3030Z and/or ALLEXEB8413.During practical application, two or more use in above-mentioned aliphatic urethane acrylate can be selected.
In above-mentioned ultraviolet light curing adhesive, those skilled in the art can select the type of adding auxiliary agent.In a preferred embodiment, with parts by weight, tackiness agent also comprises the antioxidant of the ultraviolet absorbers of 0.1 ~ 5 part, the photostabilizer of 0.1 ~ 5 part and 0.2 ~ 1 part.Add the ultraviolet absorbers of aforementioned proportion, photostabilizer and antioxidant to be conducive to improving the uv-resistance of ultraviolet light curing adhesive, heat-resisting xanthochromia and fast light xanthochromia.
In a preferred embodiment, with parts by weight, described tackiness agent also comprises the ultraviolet absorbers of 0.2 ~ 1 part, the antioxidant of the photostabilizer of 0.5 ~ 2 part and 0.5 ~ 1 part.Add the ultraviolet absorbers of aforementioned proportion, photostabilizer and antioxidant to be conducive to improving the uv-resistance of ultraviolet light curing adhesive, heat-resisting xanthochromia and fast light xanthochromia further.
In above-mentioned ultraviolet light curing adhesive, those skilled in the art can the type of selective light initiator, ultraviolet absorbers, photostabilizer and antioxidant.In a preferred embodiment, light trigger includes but not limited to 1-hydroxycyclohexyl phenyl ketone, 2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-1-acetone and 1, one or more in the group that 1-(methylene radical-two-4,1-phenylene) two [2-hydroxy-2-methyl-1-propane ketone] forms; Ultraviolet absorbers includes but not limited to hydroxyl phenol and triazine, 2-(2H-benzotriazole-2-base)-4,6-bis-tert-amyl phenol and 6-methylheptyl 2-{4-[4,6-bis-(4-xenyl)-1,3,5-triazine-2-base]-3-hydroxyphenoxy propionic ester composition group in one or more; Photostabilizer includes but not limited to sebacic acid methyl isophthalic acid, 2,2,6,6-pentamethyl--4-piperidine ester, two [2,2,6,6-tetramethyl--1-(octyl group oxygen base)-4-piperidyl] sebate and poly-{ [6-[(1,1,3,3-tetramethyl butyl) amino]]-1,3,5-triazine-2,4-[(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1,6-oneself two support [(2,2,6,6-tetramethyl--4-piperidyl) imino-] one or more in the group that forms; Antioxidant includes but not limited to hydroquinone dibenzyl ether, β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol fat and four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester composition group in one or more.Select above-mentioned substance as light trigger, be conducive to the speed of reaction of curing reaction to control in suitable scope; Select above-mentioned substance as ultraviolet absorbers, photostabilizer and antioxidant, be conducive to further improving the over-all propertieies such as the uv-resistance energy of ultraviolet light curing adhesive, heat-resisting xanthochromia and fast light xanthochromia, thus improve its weathering resistance.
The present invention is further illustrated below in conjunction with embodiment.
The raw material used in embodiment 1 to 14 and comparative example 1 and manufacturer are in table 1.
Table 1
The preparation technology of the embodiment of the present invention 1 to 14 and comparative example 1 medium ultraviolet cure adhesive is as follows:
At normal temperatures and pressures, reactive thinner, polyester acrylate oligomers, urethane acrylate, epoxy acrylate are mixed to get the first question response thing; Question response thing and light trigger are mixed to get the second question response thing, the second question response thing are heated to 50 DEG C, stir simultaneously, be dissolved into transparent liquid completely to light trigger; To add optional ultraviolet absorbers, optional photostabilizer, optional antioxidant in second question response thing, stir 0.5h, static 2h, sampling Detection is qualified, filters and namely makes required ultraviolet light curing adhesive.In making processes, should be noted moistureproof lucifuge.
The component of ultraviolet light curing adhesive obtained in embodiment 1 to 14 and comparative example 1 is respectively in table 2 and table 3.
Table 2
Table 3
The character of ultraviolet light curing adhesive obtained in embodiment 1 to 14 and comparative example 1 is respectively in table 4 and table 5.
Viscosity: by BROOKFIELDDV2T type viscometer, at 25 DEG C, tests the viscosity of above-mentioned ultra-violet curing agent.
Transmittance: by HUNTERLABCOLORQUESTXE type sub-ray spectrometer, adopts projective techniques, tests the transmittance of above-mentioned ultra-violet curing agent.
Specific refractory power: by ATAGONAR-1T type Abbe refractometer, tests the specific refractory power of above-mentioned ultra-violet curing agent.
Colourity APHA: by MNVISOCOLOR type visual colorimetric determination instrument, the colourity APHA of above-mentioned ultra-violet curing agent is tested.
Water content: by PRECISAXM60 type karl Fischer moisture meter, the water content of above-mentioned ultra-violet curing agent is tested.
Outward appearance: pass through visual inspection.
Table 4
Table 5
By the following method the adhesive property of ultraviolet light curing adhesive obtained in embodiment 1 to 14 and comparative example 1 is tested:
Tackiness agent obtained in embodiment 1 to 14 and comparative example 1 is fitted on plastic basis material, the tackiness agent of coating 24um thickness, is reciprocally attached to this test film as on the polyethylene terephthalate (PET) of clung body, polyvinyl chloride (PVC), polycarbonate (PC), polystyrene (PS), polymethylmethacrylate (PMMA), glass respectively using 2kg roller × 2 time.Be cut into 25mm wide, using the material of gained as test film, attach after 1 hour 23 DEG C, measure 180 degree of stripping strengths under the atmosphere of 50%RH.Test result is respectively in table 6 and table 7.
Table 6
Table 7
By the following method the weathering resistance of ultraviolet light curing adhesive obtained in embodiment 1 to 14 and comparative example 1 is tested:
The measuring method of initial yellowing degree (b*): adopt ColorQUESTXE type visible spectrometer, measure the initial yellowing degree (b*) of ultraviolet light curing adhesive according to JISK7105.
Fast light xanthochromia degree (b* (UV)) measuring method: by ultraviolet light curing adhesive in QUV tester after UV-irradiation 250h and 500h, utilize ColorQUESTXE type visible spectrometer, determine initial yellowing degree (b* (UV)) according to JISK7105.
Heat-resisting xanthochromia degree (b* (heat) measuring method: obtained ultraviolet light curing adhesive is placed 250 hours and 500 hours under 85 DEG C × 85%RH atmosphere, utilize ColorQUESTXE type visible spectrometer, determine initial yellowing degree (b* (heat) according to JISK7105.
Water boiling resistance measuring method: by obtained ultraviolet light curing adhesive boiling under boiling water (100 DEG C) condition, through different time test bounding force situation.
The testing method of bounding force as described above.Test result is in table 8 and table 9.
Table 8
Table 9
As can be seen from the above description, tackiness agent provided by the invention has good bond strength, also has good weather resisteant simultaneously.
Include polyester acrylate oligomers, urethane acrylate and epoxy acrylate three kinds of unsaturated oligomer in above-mentioned tackiness agent provided by the invention simultaneously.The viscosity of polyester acrylate oligomers is low, and better with the consistency of other components, makes tackiness agent have lower viscosity.Epocryl hydroxyl, ether, ester group isopolarity group, this constructional feature makes epoxy resin can produce powerful interaction force with adherend, and it has higher photocuring activity, this is conducive to the bond strength and the polymerization that improve ultraviolet light curing adhesive; Urethane acrylate has good snappiness, especially low-temperature flexibility, and himself also has good wear resistance, resistance to deterioration and high-tear strength, being thus added with to be beneficial to and improving the over-all properties such as toughness, wear resistance, resistance to deterioration of ultraviolet curing adhesive of urethane acrylate.Above-mentioned three kinds of unsaturated oligomer use simultaneously, effectively can improve cohesive strength and the weathering resistance of tackiness agent, make tackiness agent have preferably over-all properties.In addition, the consumption of each component is limited in above-mentioned scope, is conducive to the ultraviolet light curing adhesive obtaining having high bond strength, good weatherability properties and good coating waste water performance concurrently.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a ultraviolet light curing adhesive, it is characterized in that, with parts by weight, described tackiness agent comprises the light trigger of the polyester acrylate oligomers of 5 ~ 20 parts, the urethane acrylate of 15 ~ 35 parts, the epoxy acrylate of 5 ~ 20 parts, the reactive thinner of 50 ~ 120 parts and 1 ~ 3 part.
2. tackiness agent according to claim 1, it is characterized in that, with parts by weight, described tackiness agent, comprises the described light trigger of the described polyester acrylate oligomers of 8 ~ 12 parts, the described urethane acrylate of 20 ~ 30 parts, the described epoxy acrylate of 8 ~ 15 parts, the described reactive thinner of 50 ~ 70 parts and 1.5 ~ 3 parts.
3. tackiness agent according to claim 2, is characterized in that, the weight of described reactive thinner is 4:6 ~ 6:4 with the ratio of described polyester acrylate oligomers, described urethane acrylate and described epoxy acrylate three kinds of acrylate gross weights.
4. tackiness agent according to claim 1, is characterized in that,
Described reactive thinner is monofunctional compound;
Described polyester acrylate oligomers comprises 1 ~ 2 functional group;
Described urethane acrylate comprises 1 ~ 3 functional group; And
Described epoxy acrylate comprises 1 ~ 3 functional group.
5. tackiness agent according to claim 1, is characterized in that, described reactive thinner comprises isobornyl acrylate, ethoxyethoxyethyl acrylate, tetrahydrofuran (THF) acrylate and 4-hy-droxybutyl.
6. tackiness agent according to claim 5, it is characterized in that, with parts by weight, described reactive thinner comprises the described 4-hy-droxybutyl of the described isobornyl acrylate of 5 ~ 20 parts, the described ethoxyethoxyethyl acrylate of 5 ~ 25 parts, the described tetrahydrofuran (THF) acrylate of 20 ~ 40 parts and 20 ~ 30 parts.
7. tackiness agent according to claim 1, is characterized in that, described urethane acrylate is aliphatic urethane acrylate, is preferably single functionality aliphatic urethane acrylate and/or difunctionality aliphatic urethane acrylate.
8. the tackiness agent according to any one of claim 2 to 6, is characterized in that, with parts by weight, described tackiness agent also comprises the antioxidant of the ultraviolet absorbers of 0.1 ~ 5 part, the photostabilizer of 0.1 ~ 5 part and 0.2 ~ 1 part.
9. according to Claim 8 described in tackiness agent, it is characterized in that, with parts by weight, described tackiness agent also comprises the described antioxidant of the described ultraviolet absorbers of 0.2 ~ 1 part, the described photostabilizer of 0.5 ~ 2 part and 0.5 ~ 1 part.
10. according to Claim 8 described in tackiness agent, it is characterized in that, described light trigger is selected from 1-hydroxycyclohexyl phenyl ketone, 2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-1-acetone and 1, one or more in the group that 1-(methylene radical-two-4,1-phenylene) two [2-hydroxy-2-methyl-1-propane ketone] forms;
Described ultraviolet absorbers is selected from hydroxyl phenol and triazine, 2-(2H-benzotriazole-2-base)-4,6-bis-tert-amyl phenol and 6-methylheptyl 2-{4-[4,6-bis-(4-xenyl)-1,3,5-triazine-2-base]-3-hydroxyphenoxy propionic ester composition group in one or more;
Described photostabilizer is selected from sebacic acid methyl isophthalic acid, and 2,2,6,6-pentamethyl--4-piperidine ester, two [2,2,6,6-tetramethyl--1-(octyl group oxygen base)-4-piperidyl] sebate and poly-{ [6-[(1,1,3,3-tetramethyl butyl) amino]]-1,3,5-triazine-2,4-[(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1,6-oneself two support [(2,2,6,6-tetramethyl--4-piperidyl) imino-] one or more in the group that forms;
Described antioxidant is selected from hydroquinone dibenzyl ether, β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol fat and four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester composition group in one or more.
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