CN104497929B - A kind of special binding resin of aluminium-plastic panel and preparation method thereof - Google Patents
A kind of special binding resin of aluminium-plastic panel and preparation method thereof Download PDFInfo
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- CN104497929B CN104497929B CN201410697073.0A CN201410697073A CN104497929B CN 104497929 B CN104497929 B CN 104497929B CN 201410697073 A CN201410697073 A CN 201410697073A CN 104497929 B CN104497929 B CN 104497929B
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Abstract
The invention discloses a kind of special binding resin of aluminium-plastic panel, described binding resin includes following raw material components and weight portion: polycthylene grafted thing 20 ~ 30 parts, tackifying resin 25 ~ 35 parts, viscosity-controlling agent 20 ~ 40 parts, ethylene vinyl acetate 10 ~ 30 parts, 0.1 ~ 0.5 part of antioxidant, UV absorbent 0.3 ~ 0.5 part, hydrolysis agent 0.1 ~ 0.5 part.The special binding resin of aluminium-plastic panel in the present invention has high bond strength to metal and PE material, and can also persistently use under adverse circumstances factor；And its blowfilm shaping technique is easily controllable, it is possible to meet the use demand on aluminium-plastic panel.
Description
Technical field
The present invention relates to a kind of binding resin, be specifically related to a kind of special binding resin of aluminium-plastic panel.
Background technology
The Germany that composited aluminum and plastic decking (hereinafter referred to as " aluminium-plastic panel ") is born in the sixties in last century, is developed by Alusingen company
Develop.Aluminium-plastic panel is widely used in external wall, is characterized in light weight, and intensity is high, weather-proof, corrosion-resistant, the most combustion-supporting etc..
It is made to be increasingly becoming the main force of building curtain wall decoration.Aluminium-plastic panel is composited by multilayer material from structure.From top to bottom
It is followed successively by, surface protection film, coating, aluminium sheet, adhesive film, polyethylene board, adhesive film, aluminium sheet.
Adhesive film is the material producing viscosity after a kind of being heated, and its effect is aluminium sheet and polyvinyl plastic core laminate to be fitted, and this is inevitable
Requiring that this adhesive film possesses two kinds of preferable compatibilitys: on the one hand having has firm bonding to show with aluminium, another side also will be with
PE has good bond effect.At present, on market, normally used method of modifying is with the polar substances with unsaturated group such as
The modified general-purpose plastics polyolefin such as maleic anhydride so that on the one hand polyolefin keeps original and high polymer excellent compatibility, another
Aspect, acid, the modification of Zhi Deng functional group can be greatly improved the polarity of polyolefine material, thus cause material after modification can
Good adhesive effect is produced with metal.
Being similar to aluminium-plastic panel application, patent of invention 200810184819.2 discloses a kind of plastic-aluminum steady state tube transparent hot melt
Preparation method.After a certain amount of polypropylene, initiator, unsaturated grafted monomers, electronq donor are fully blended, reacted
Type double-screw extruding pelletizing, obtains the transparent hot melt that peel strength is 180～190N/25mm.Emerging in large numbers of similar research work,
It is greatly facilitated the Recent Progresses In The Development of APL aluminum plastic laminate resin.But, owing to polyolefin resin divides after unsaturated monomer modified
Son amount is greatly reduced, and its intensity unavoidably declines, during actual use, ultraviolet, mycete, steam etc. various because of
The effect of element makes the life-span degradation of binding resin.And at the aspect of aluminium-plastic panel PUR, the most still rarely have research report.
Summary of the invention
It is an object of the invention to provide a kind of binding resin, be used for overcoming binding resin in prior art on the one hand can not take into account right
The shortcoming that on the other hand high bond strength of metal and PE material persistently can not use under adverse circumstances factor.
A further object of the present invention is to provide the preparation method of a kind of binding resin as described above.
For achieving the above object, the present invention is to take following concrete technical scheme to realize:
A kind of special binding resin of aluminium-plastic panel, described binding resin includes following raw material components and weight portion:
Preferably, described polycthylene grafted thing one or two in maleic anhydride grafted polyethylene and acrylic acid-grafted polyethylene
Kind.
Preferably, the number-average molecular weight of described polycthylene grafted thing is 1000～5000.
Preferably, in described maleic anhydride grafted polyethylene, the percent grafting of maleic anhydride is 0.5～1%.
Preferably, in described acrylic acid-grafted polyethylene, acrylic acid percent grafting is 0.5～1%.
Preferably, the number-average molecular weight of described tackifying resin is 650～2600, and relative density is 0.95～1.0g/cm3, softening point is
80～140 DEG C, vitrification point is 73～94 DEG C.
It is highly preferred that described tackifying resin is rosin glyceride.
It is highly preferred that described viscosity-controlling agent is Tissuemat E.
Preferably, in described ethylene-vinyl acetate, in vinyl acetate, VA content is 20～30%, and fusing point is 60～65 DEG C,
190 DEG C, the melt index under 2.16Kg is 10～20g/10min.
Heretofore described antioxidant, ultraviolet absorber and hydrolysis agent are typical additives in prior art.Specific as follows:
Preferably, described antioxidant one or several in antioxidant 1076, antioxidant 1010, irgasfos 168 and DLTP
Kind.
Preferably, described ultraviolet absorber is benzotriazole ultraviolet absorbent.
Preferably, described hydrolysis agent is polycarbodiimide class hydrolysis-resisting agent.
It is highly preferred that the marque of described UV absorbent is UV-P, the marque of described hydrolysis agent is R-7000.
The invention also discloses the preparation method of a kind of special binding resin of aluminium-plastic panel as described above, comprise the following steps:
1) according to raw material components weight portion, by polycthylene grafted thing, tackifying resin, viscosity-controlling agent, ethylene-vinyl acetate,
Antioxidant, UV absorbent and hydrolysis agent mixing；
2) extrusion, extrusion temperature 160～190 DEG C, engine speed 400～420rpm, feeding rotating speed in double screw extruder is added
20～27rpm, vacuum≤0.04kPa.
The invention also discloses the application on aluminium-plastic panel of the aluminium-plastic panel as described above special binding resin.
Binding resin in the present invention is prepared as thin film through film-blowing process commonly used in the prior art.The thickness of described thin film is
0.01～0.05mm.Preferably, described film thickness is 0.02～0.04mm.In the present invention, binding resin is prone to blowfilm shaping, becomes
Film is easy and film thickness uniform, and less occur rupturing flaw situation.
Described thin film is compounded in aluminium-plastic panel through hot composition process commonly used in the prior art again, is used for bond aluminium sheet and poly-second
Alkene plate.Specifically use hot pressing combination process commonly used in the prior art such as hot composition process, temperature is 180～200 DEG C, and pressure is
2MPa.But it is not limited to use in the present invention or this method disclosed in the embodiment of the present invention.
The preparation technology of the special binding resin of aluminium-plastic panel in the present invention is easily controlled, and raw material and equipment are all easier to obtain, it is easy to
Large-scale industrial production.
Using aluminium-plastic panel prepared by the special binding resin of aluminium-plastic panel in the present invention after tested, its peel strength reaches 190～200
N/25mm, adhesion is high and lasting；It is 115～129 DEG C that ring and ball method records softening point, and decomposition temperature is 550～600 DEG C, possesses
Well high temperature stability performance；It is 39mW/cm in ultra-vioket radiation intensity2, temperature 65 DEG C, process under the conditions of air humidity 56%
360h, its peel strength conservation rate ＞ 95%.
To sum up, the special binding resin of aluminium-plastic panel in the present invention has high bond strength to metal and PE material, and at severe ring
Can also persistently use under the factor of border；And its blowfilm shaping technique is easily controllable, it is possible to meet the use demand on aluminium-plastic panel.
Modified master in the present invention overcomes many disadvantages of the prior art and creative.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be taken off by this specification
The content of dew understands other advantages and effect of the present invention easily.
Embodiment 1
Wherein, polycthylene grafted thing is maleic anhydride grafted polyethylene, and molecular weight is 5000, and percent grafting is 0.5%；Tackifying resin
For rosin glyceride；Viscosity-controlling agent is Tissuemat E；
In described ethylene-vinyl acetate, in vinyl acetate, VA content is 20～30%, and fusing point is 60～65 DEG C, at 190 DEG C, and 2.16Kg
Under melt flow rate (MFR) be 12g/10min；Described oxidant is antioxidant 1010, and the marque of described UV absorbent is
UV-P, the marque of described hydrolysis agent is R-7000.
Above-mentioned substance first passes through after high mixer is uniformly dispersed, and double-screw extruding pelletizing obtains the special binding resin of aluminium-plastic panel.
Wherein extrusion temperature 190 DEG C in double screw extruder, engine speed 415rpm, feeding rotating speed 22rpm, vacuum≤0.04kPa.
Binding resin in the present invention is prepared as thin film through film-blowing process commonly used in the prior art.The thickness of described thin film is
0.01～0.05mm.Preferably, described film thickness is 0.02～0.04mm.Film-blowing process in the present embodiment uses single screw rod to squeeze
Going out machine, temperature is 150～160 DEG C, and binding resin film forming thickness is 0.02mm.In the present embodiment, binding resin is prone to blowfilm shaping,
Film forming is easy and film thickness uniform, and less occur rupturing flaw situation.
Described thin film is compounded in aluminium-plastic panel through hot composition process commonly used in the prior art again, is used for bond aluminium sheet and poly-second
Alkene plate.Hot composition process specifically uses hot pressing combination process commonly used in the prior art, and temperature is 180～200 DEG C, and pressure is 2MPa.
Specifically, the temperature in hot pressing combination process is 180 DEG C.
Aluminium sheet in aluminium-plastic panel special binding resin bonding composited aluminum and plastic decking prepared by employing the present embodiment and polyethylene board, reference
It is 190N/25mm that the method for testing of GB/T 2790-1995 records peel strength, ring and ball softening point 115 DEG C, decomposition temperature
550 DEG C, be 39mW/cm in ultra-vioket radiation intensity2, temperature 65 DEG C, process 360h under the conditions of air humidity 56%, it peels off strong
Degree conservation rate is 95.1%.
Embodiment 2
Wherein, polycthylene grafted thing is acrylic acid-grafted polyethylene, and molecular weight is 5000, and percent grafting is 1%；Tackifying resin is pine
Fragrant glyceride；Viscosity-controlling agent is Tissuemat E；
In described ethylene-vinyl acetate, in vinyl acetate, VA content is 20～30%, and fusing point is 60～65 DEG C, at 190 DEG C, and 2.16Kg
Under melt flow rate (MFR) be 10～20g/10min；Described oxidant is irgasfos 168, the marque of described UV absorbent
For UV-P, the marque of described hydrolysis agent is R-7000.
Above-mentioned substance first passes through after high mixer is uniformly dispersed, and double-screw extruding pelletizing obtains the special binding resin of aluminium-plastic panel.
Wherein extrusion temperature 170 DEG C in double screw extruder, engine speed 415rpm, feeding rotating speed 26rpm, vacuum
≤0.04kPa。
Binding resin in the present invention is prepared as thin film through film-blowing process commonly used in the prior art.The thickness of described thin film is
0.01～0.05mm.Preferably, described film thickness is 0.02～0.04mm.Film-blowing process in the present embodiment uses single screw rod to squeeze
Going out machine, temperature is 150～160 DEG C, and binding resin film forming thickness is 0.02mm.In the present embodiment, binding resin is prone to blowfilm shaping,
Film forming is easy and film thickness uniform, and less occur rupturing flaw situation.
Described thin film is compounded in aluminium-plastic panel through hot composition process commonly used in the prior art again, is used for bond aluminium sheet and poly-second
Alkene plate.Hot composition process specifically uses hot pressing combination process commonly used in the prior art, and temperature is 180～200 DEG C, and pressure is 2MPa.
Specifically, the temperature in hot pressing combination process is 190 DEG C.
Aluminium sheet in aluminium-plastic panel special binding resin bonding composited aluminum and plastic decking prepared by employing the present embodiment and polyethylene board, reference
It is 195N/25mm that the method for testing of GB/T 2790-1995 records its peel strength, ring and ball softening point 129 DEG C, decomposition temperature
580 DEG C, be 39mW/cm in ultra-vioket radiation intensity2, temperature 65 DEG C, process 360h under the conditions of air humidity 56%, it peels off strong
Degree conservation rate is 96%.
Embodiment 3
Wherein, polycthylene grafted thing is maleic anhydride grafted polyethylene, and molecular weight is 3000, and percent grafting is 0.8%；Tackifying resin
For rosin glyceride；Viscosity-controlling agent is Tissuemat E；
In described ethylene-vinyl acetate, in vinyl acetate, VA content is 20～30%, and fusing point is 60～65 DEG C, at 190 DEG C, and 2.16Kg
Under melt flow rate (MFR) be 10～20g/10min；Described oxidant is irgasfos 168, the marque of described UV absorbent
For UV-P, the marque of described hydrolysis agent is R-7000.
Above-mentioned substance first passes through after high mixer is uniformly dispersed, and double-screw extruding pelletizing obtains the special binding resin of aluminium-plastic panel.
Wherein extrusion temperature 180 DEG C in double screw extruder, engine speed 410rpm, feeding rotating speed 25rpm, vacuum
≤0.04kPa。
Binding resin in the present invention is prepared as thin film through film-blowing process commonly used in the prior art.The thickness of described thin film is
0.01～0.05mm.Preferably, described film thickness is 0.02～0.04mm.Film-blowing process in the present embodiment uses single screw rod to squeeze
Going out machine, temperature is 150～160 DEG C, and binding resin film forming thickness is 0.02mm.In the present embodiment, binding resin is prone to blowfilm shaping,
Film forming is easy and film thickness uniform, and less occur rupturing flaw situation.
Described thin film is compounded in aluminium-plastic panel through hot composition process commonly used in the prior art again, is used for bond aluminium sheet and poly-second
Alkene plate.Hot composition process specifically uses hot pressing combination process commonly used in the prior art, and temperature is 189 DEG C, and pressure is 2MPa.
Aluminium sheet in aluminium-plastic panel special binding resin bonding composited aluminum and plastic decking prepared by employing the present embodiment and polyethylene board, reference
It is 200N/25mm that the method for testing of GB/T 2790-1995 records its peel strength, ring and ball softening point 119 DEG C, decomposition temperature
600 DEG C, be 39mW/cm in ultra-vioket radiation intensity2, temperature 65 DEG C, process 360h under the conditions of air humidity 56%, it peels off strong
Degree conservation rate is 98%.
Embodiment 4
Wherein, polycthylene grafted thing is acrylic acid-grafted polyethylene, and molecular weight is 3000, and percent grafting is 0.7%；Tackifying resin is
Rosin glyceride；Viscosity-controlling agent is Tissuemat E；
In described ethylene-vinyl acetate, in vinyl acetate, VA content is 20～30%, and fusing point is 60～65 DEG C, at 190 DEG C, and 2.16Kg
Under melt flow rate (MFR) be 10～20g/10min；Described oxidant is antioxidant 1010, the commodity-type of described UV absorbent
Number being UV-P, the marque of described hydrolysis agent is R-7000.
Above-mentioned substance first passes through after high mixer is uniformly dispersed, and double-screw extruding pelletizing obtains the special binding resin of aluminium-plastic panel.
Wherein extrusion temperature 189～190 DEG C in double screw extruder, engine speed 420rpm, feeding rotating speed 27rpm, vacuum
≤0.04kPa。
Binding resin in the present invention is prepared as thin film through film-blowing process commonly used in the prior art.The thickness of described thin film is
0.01～0.05mm.Preferably, described film thickness is 0.02～0.04mm.Film-blowing process in the present embodiment uses single screw rod to squeeze
Going out machine, temperature is 150～160 DEG C, and binding resin film forming thickness is 0.02mm.In the present embodiment, binding resin is prone to blowfilm shaping,
Film forming is easy and film thickness uniform, and less occur rupturing flaw situation.
Described thin film is compounded in aluminium-plastic panel through hot composition process commonly used in the prior art again, is used for bond aluminium sheet and poly-second
Alkene plate.Hot composition process specifically uses hot pressing combination process commonly used in the prior art, and temperature is 185 DEG C, and pressure is 2MPa.
Aluminium sheet in aluminium-plastic panel special binding resin bonding composited aluminum and plastic decking prepared by employing the present embodiment and polyethylene board, reference
The method of testing of GB/T 2790-1995 records its peel strength for 196N/25mm, ring and ball softening point 124 DEG C, decomposition temperature
572 DEG C, be 39mW/cm in ultra-vioket radiation intensity2, temperature 65 DEG C, process 360h under the conditions of air humidity 56%, it peels off strong
Degree conservation rate is 97.2%.
Embodiment 5
Wherein, polycthylene grafted thing is acrylic acid-grafted polyethylene, and molecular weight is 3000, and percent grafting is 0.7%；Tackifying resin is
Rosin glyceride；Viscosity-controlling agent is Tissuemat E；
In described ethylene-vinyl acetate, in vinyl acetate, VA content is 20～30%, and fusing point is 60～65 DEG C, at 190 DEG C, and 2.16Kg
Under melt flow rate (MFR) be 10～20g/10min；Described oxidant is antioxidant 1010, the commodity-type of described UV absorbent
Number being UV-P, the marque of described hydrolysis agent is R-7000.
Above-mentioned substance first passes through after high mixer is uniformly dispersed, and double-screw extruding pelletizing obtains the special binding resin of aluminium-plastic panel.
Wherein extrusion temperature 180～185 DEG C in double screw extruder, engine speed 410rpm, feeding rotating speed 22rpm, vacuum
≤0.04kPa。
Binding resin in the present invention is prepared as thin film through film-blowing process commonly used in the prior art.The thickness of described thin film is
0.01～0.05mm.Preferably, described film thickness is 0.02～0.04mm.Film-blowing process in the present embodiment uses single screw rod to squeeze
Going out machine, temperature is 150～160 DEG C, and binding resin film forming thickness is 0.018mm.
In the present embodiment, binding resin is prone to blowfilm shaping, and film forming is easy and film thickness uniform, and less occur rupturing flaw situation.
Described thin film is compounded in aluminium-plastic panel through hot composition process commonly used in the prior art again, is used for bond aluminium sheet and poly-second
Alkene plate.Hot composition process specifically uses hot pressing combination process commonly used in the prior art, and temperature is 189 DEG C, and pressure is 2MPa.
Aluminium sheet in aluminium-plastic panel special binding resin bonding composited aluminum and plastic decking prepared by employing the present embodiment and polyethylene board, reference
The method of testing of GB/T 2790-1995 records its peel strength for 189N/25mm, ring and ball softening point 124 DEG C, decomposition temperature
570 DEG C, be 39mW/cm in ultra-vioket radiation intensity2, temperature 65 DEG C, process 360h under the conditions of air humidity 56%, it peels off strong
Degree conservation rate is 95.2%.
Embodiment 6
Wherein, polycthylene grafted thing is acrylic acid-grafted polyethylene, and molecular weight is 3000, and percent grafting is 0.7%；Tackifying resin is
Rosin glyceride；Viscosity-controlling agent is Tissuemat E；
In described ethylene-vinyl acetate, in vinyl acetate, VA content is 20～30%, and fusing point is 60～65 DEG C, at 190 DEG C, and 2.16Kg
Under melt flow rate (MFR) be 10～20g/10min；Described oxidant is antioxidant 1010, the commodity-type of described UV absorbent
Number being UV-P, the marque of described hydrolysis agent is R-7000.
Above-mentioned substance first passes through after high mixer is uniformly dispersed, and double-screw extruding pelletizing obtains the special binding resin of aluminium-plastic panel.
Wherein extrusion temperature 160～165 DEG C in double screw extruder, engine speed 410rpm, feeding rotating speed 25rpm, vacuum
≤0.04kPa。
Binding resin in the present invention is prepared as thin film through film-blowing process commonly used in the prior art.The thickness of described thin film is
0.01～0.05mm.Preferably, described film thickness is 0.02～0.04mm.Film-blowing process in the present embodiment uses single screw rod to squeeze
Going out machine, temperature is 150～160 DEG C, and binding resin film forming thickness is 0.030mm.In the present embodiment, binding resin is prone to blowfilm shaping,
Film forming is easy and film thickness uniform, and less occur rupturing flaw situation.
Described thin film is compounded in aluminium-plastic panel through hot composition process commonly used in the prior art again, is used for bond aluminium sheet and poly-second
Alkene plate.Hot composition process specifically uses hot pressing combination process commonly used in the prior art, and temperature is 192 DEG C, and pressure is 2MPa.
Aluminium sheet in aluminium-plastic panel special binding resin bonding composited aluminum and plastic decking prepared by employing the present embodiment and polyethylene board, reference
The method of testing of GB/T 2790-1995 records its peel strength for 190N/25mm, ring and ball softening point 124 DEG C, decomposition temperature
571 DEG C, be 39mW/cm in ultra-vioket radiation intensity2, temperature 65 DEG C, process 360h under the conditions of air humidity 56%, it peels off strong
Degree conservation rate is 96.2%.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (5)
1. the special binding resin of aluminium-plastic panel, it is characterised in that the raw material components of described binding resin and weight
Consisting of of part:
Described polycthylene grafted thing one in maleic anhydride grafted polyethylene and acrylic acid-grafted polyethylene
Or two kinds；
The number-average molecular weight of described polycthylene grafted thing is 1000～5000；
In described maleic anhydride grafted polyethylene, the percent grafting of maleic anhydride is 0.5～1%；
In described acrylic acid-grafted polyethylene, acrylic acid percent grafting is 0.5～1%；Described ethylene-vinyl acetate
Middle vinyl acetate content is 20～30%, and the fusing point of described ethylene-vinyl acetate is 60～65 DEG C,
190 DEG C, the melt index under 2.16Kg is 10～20g/10min.
2. the special binding resin of aluminium-plastic panel as claimed in claim 1, it is characterised in that the number of described tackifying resin
Average molecular weight is 650～2600, and relative density is 0.95～1.0g/cm3, softening point is 80～140 DEG C, glass
Glass temperature is 73～94 DEG C.
3. the special binding resin of aluminium-plastic panel as claimed in claim 1, it is characterised in that described antioxidant is selected from anti-
One or more in oxygen agent 1076, antioxidant 1010, irgasfos 168 and DLTP.
4. a preparation method for the special binding resin of aluminium-plastic panel as described in any one of claims 1 to 3, including following
Step:
1) press raw material components weight portion, by polycthylene grafted thing, tackifying resin, viscosity-controlling agent, ethylene-
Vinylacetate, antioxidant, UV absorbent and hydrolysis agent mixing；
2) addition double screw extruder is extruded, extrusion temperature 160～190 DEG C, engine speed 400～420rpm,
Feeding rotating speed 20～27rpm, vacuum≤0.04kPa.
5. the special binding resin of aluminium-plastic panel as described in any one of claims 1 to 3 application on aluminium-plastic panel.
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| CN1401722A (en) * | 2002-08-29 | 2003-03-12 | 广州市鹿山化工材料有限公司 | Adhering resin for aluminium-plastic board |
| CN102161867A (en) * | 2010-12-29 | 2011-08-24 | 上海邦中高分子材料有限公司 | Bonding resin for aluminum and plastic composite plates and preparation method thereof |
| CN102181246A (en) * | 2011-03-15 | 2011-09-14 | 广东联塑科技实业有限公司 | Heat-resistant hot melt adhesive and preparation method and application thereof |
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| CN104497929A (en) | 2015-04-08 |
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Address after: Room 1201, Building 518, Shenzhuan Highway, Songjiang High-tech Park, Caohejing Development Zone, Songjiang District, Shanghai, 20112 Patentee after: Shanghai Bangzhong Polymer Materials Co., Ltd. Address before: Room 1201, Building 518, Shenzhuan Highway, Songjiang High-tech Park, Caohejing Development Zone, Songjiang District, Shanghai, 20112 Patentee before: Shanghai Banzan Macromolecule Material Co., Ltd. |
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