CN107619568A - A kind of high anti-aging pad pasting and preparation method thereof thoroughly - Google Patents
A kind of high anti-aging pad pasting and preparation method thereof thoroughly Download PDFInfo
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Abstract
The present invention relates to Filming Technology field, discloses a kind of high anti-aging pad pasting and preparation method thereof thoroughly.The pad pasting raw material includes following parts by weight of component：64 ~ 78 parts of polyacrylic resin, β (4 hydroxyls 3,5 di-tert-butyl-phenyls) 2 ~ 5 parts of the positive octadecanol ester of propionic acid, decanedioic acid double 2,2 ~ 6 parts of 2,6,61 ~ 3 part of tetramethyl piperidine alcohol esters, 4 ~ 8 parts of tribenzylidene sorbitol, 2 ~ 6 parts of octadecanoid acid and ultra-violet absorber；Pretreatment is carried out to ultra-violet absorber surface increases its dispersiveness in component, is added after then said components are well mixed in extruder and carries out slab, stretching film forming is carried out using stretching-machine.Pad pasting transparency of the present invention is high, and ageing resistace is good.
Description
Technical field
The present invention relates to Filming Technology field, more particularly, to a kind of high anti-aging pad pasting and preparation method thereof thoroughly.
Background technology
The pad pasting species sold currently on the market is a lot, such as advertisement pad pasting, screen sticking film, adhering film to glass etc., these patches
The effect of film is to protect advertisement, screen, glass and other items not to be scratched；Pad pasting is such as adhering film to glass, wide when being applied to outdoor
Pad pasting etc. is accused, in order to prevent the aging of pad pasting, it is necessary to carry out aging modification to pad pasting.
Publication No. CN105111483A application for a patent for invention discloses a kind of sun-proof thermal insulating automobile pad pasting and its preparation
Method, automobile adhesive film include base layer；Thermal insulation layer, the inner surface of base layer is coated on, wherein, thermal insulation layer is mainly by modified six titaniums
Sour potassium whisker, aqueous epoxy resins and acrylic resin composition；Uvioresistant layer, it is coated on thermal insulation layer surface；Sunscreen layer, apply
The outer surface of base layer is distributed in, wherein, sunscreen layer is mainly by nano ceric oxide, ultraviolet absorber and acrylic resin group
Into；Wearing layer, it is coated on sun-proof layer surface；Protection film layer and installation glue-line, protection film layer is by installing glue-line separably
It is adhered to antiultraviolet layer surface.There is complex process in this anti-aging pad pasting, antiageing effect is bad.
The content of the invention
A kind of the problem of present invention is to overcome prior art pad pasting antiageing effect bad, there is provided ageing-resistant patch
Film.
Present invention also offers a kind of preparation method of ageing-resistant pad pasting.
To achieve these goals, the present invention uses following technical scheme：A kind of high anti-aging pad pasting thoroughly, pad pasting raw material bag
Include following parts by weight of component：64~78 parts of polyacrylic resin, β-positive 18 carbon of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid
2~5 parts of alcohol ester, decanedioic acid double 1~3 part of -2,2,6,6- tetramethyl piperidines alcohol ester, 4~8 parts of tribenzylidene sorbitol and octadecanes
Sour 2~6 parts, 2~6 parts of ultra-violet absorber；Wherein ultra-violet absorber is nano zine oxide and nano aluminium oxide mixed powder,
The ultra-violet absorber comprises the following steps by pretreatment, preprocess method：
1) it is that 1~2g nano zine oxides and 2~3g nano aluminium oxide mixed powders are added to 180~220mL deionizations by quality
In water, 4~8h of magnetic agitation, 0.1~0.15g carboxylic acid sodiums are then added, 1~2h of emulsification is carried out, obtains suspension；
2) suspension is heated to 75~80 DEG C, 0.24~0.45mol sodium silicate aqueous solution is added dropwise, then it is added dropwise 0.15~
0.23mol dust technologies, stirring reaction, then stand 4~8h；
3) after reacting liquid filtering, it is washed with deionized, is then placed in vacuum drying chamber, is done under conditions of 70~80 DEG C
It is dry, obtain pre-processing ultra-violet absorber.
The use of polyacrylic resin is membrane material, β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid is
The antioxidant composition of pad pasting, double -2,2,6, the 6- tetramethyl piperidine alcohol ester light stabilizers of decanedioic acid are coordinated to alleviate pad pasting well
Premature oxidation, there is preferable anti-aging effect, extend the service life of pad pasting；Tribenzylidene sorbitol clarifier can improve
The transparency and definition of pad pasting；Octadecanoid acid is the lubricant of pad pasting, improves the mobility of melt, reduces interface adhesiveness
Can, it is easy to process.
Nano zine oxide and nano oxidized aluminium mixture have preferable preventing ultraviolet effect, but dispersiveness is poor；Silicon
Sour sodium can be generated as precipitation of silica under conditions of acidifying, be deposited on nano zine oxide and nano aluminium oxide outer surface,
Its outer surface covers layer of silicon dioxide, and silica has preferable dispersive property, improves nano zine oxide and nano oxygen
Change dispersion effect of the aluminium in component, substantially increase the ultraviolet resistance of pad pasting；In addition, light stabilizer, antioxidant and pre-
The ultra-violet absorber of processing be combined with each other, and has preferable anti-aging effect.
Preferably, 2~3h of stirring reaction in the step 2).
Preferably, 5~9h is dried in the step 3)
A kind of preparation method of high anti-aging pad pasting comprises the following steps：
A) by polyacrylic resin, the β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,2,
6,6- tetramethyl piperidines alcohol ester, tribenzylidene sorbitol and octadecanoid acid, ultra-violet absorber are added in batch mixer and are well mixed
Obtain batch mixing, then batch mixing added melting is heated in extruder, after melt extrusion at die head slab；
B) slab is put into vertical machine drawing, opens vertical machine drawing and complete longitudinal stretching, then put it into transverse stretching machine and carry out horizontal drawing
Stretch.
Preferably, longitudinal stretching technological parameter is arranged in the step a)：Preheating section temperature is 195~225 DEG C, is drawn
Width section temperature is 235~245 DEG C, and cooling section temperature is 70~80 DEG C, and draw ratio is 2.4~3.2 times.
Preferably, the temperature that draws high of cross directional stretch technique is in the step b)：Preheating section temperature is 185~200 DEG C,
Tentering section temperature is 245~260 DEG C, and sizing section temperature is 80~90 DEG C, and draw ratio is 4.4~5 times.
Therefore, the present invention has the advantages that：(1) nano zine oxide and nano alumina surface are located in advance excessively
The dispersiveness of reason, treated nano zine oxide and nano aluminium oxide greatly improves, and improves ultra-violet absorber in pad pasting
The scattered uniformity, enhance anti-aging effect；(2) tribenzylidene sorbitol clarifier substantially increases the transparency of pad pasting；
(3) light stabilizer, antioxidant and the ultra-violet absorber of pretreatment be combined with each other, and have preferable anti-aging effect.
Embodiment
Below by specific embodiment, technical scheme is described further.
In the present invention, if not refering in particular to, used raw material and equipment etc. are commercially available or commonly used in the art,
Method in embodiment, it is the conventional method of this area unless otherwise instructed.
Embodiment 1
A kind of high anti-aging pad pasting, the pad pasting raw material thoroughly include following parts by weight of component：64 parts of polyacrylic resin, β-(4-
Hydroxyl -3,5 di-tert-butyl-phenyl) 2 parts of the positive octadecanol ester of propionic acid, double -2,2,6,6- 1 part of the tetramethyl piperidine alcohol esters of decanedioic acid,
2 parts of 4 parts of tribenzylidene sorbitol, 2 parts of octadecanoid acid and ultra-violet absorber.
Ultra-violet absorber is nano zine oxide and nano aluminium oxide mixed powder, and ultra-violet absorber is by pre- place
Reason, preprocess method comprise the following steps：
1) it is that 1g nano zine oxides and 2g nano aluminium oxide mixed powders are added in 180mL deionized waters by quality, magnetic force stirs
4h is mixed, 0.1g carboxylic acid sodiums is then added, carries out emulsification 1h, obtain suspension；
2) suspension is heated to 75 DEG C, 0.24mol sodium silicate aqueous solution is added dropwise, then 0.15mol dust technologies are added dropwise, stirring is anti-
2h is answered, then stands 4h；
3) after reacting liquid filtering, it is washed with deionized, is then placed in vacuum drying chamber, 5h is dried under conditions of 70 DEG C,
Obtain pre-processing ultra-violet absorber.
A kind of preparation method of high anti-aging pad pasting comprises the following steps：
A) by polyacrylic resin, the β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,2,
6,6- tetramethyl piperidines alcohol ester, tribenzylidene sorbitol, octadecanoid acid and ultra-violet absorber are added in batch mixer and are well mixed
Obtain batch mixing, then batch mixing added melting is heated in extruder, after melt extrusion at die head slab；
B) slab is put into vertical machine drawing, opens vertical machine drawing and complete longitudinal stretching, then put it into transverse stretching machine and carry out horizontal drawing
Stretch；Longitudinal stretching technological parameter is arranged to：Preheating section temperature is 195 DEG C, and tentering section temperature is 235 DEG C, and cooling section temperature is 70
DEG C, draw ratio is 2.4 times；The temperature that draws high of cross directional stretch technique is：Preheating section temperature is 185 DEG C, and tentering section temperature is 245
DEG C, sizing section temperature is 80 DEG C, and draw ratio is 4.4 times.
Embodiment 2
A kind of high anti-aging pad pasting, the pad pasting raw material thoroughly include following parts by weight of component：67 parts of polyacrylic resin, β-(4-
Hydroxyl -3,5 di-tert-butyl-phenyl) 3 parts of the positive octadecanol ester of propionic acid, double -2,2,6,6- 1 part of the tetramethyl piperidine alcohol esters of decanedioic acid,
5 parts of tribenzylidene sorbitol and 3 parts of octadecanoid acid, 3 parts of ultra-violet absorber.
Ultra-violet absorber is nano zine oxide and nano aluminium oxide mixed powder, and ultra-violet absorber is by pre- place
Reason, preprocess method comprise the following steps：
1) it is that 1.3g nano zine oxides and 2.2g nano aluminium oxide mixed powders are added in 190mL deionized waters by quality, magnetic
Power stirs 5h, then adds 0.12g carboxylic acid sodiums, carries out emulsification 1.2h, obtain suspension；
2) suspension is heated to 76 DEG C, 0.3mol sodium silicate aqueous solution is added dropwise, then 0.18mol dust technologies are added dropwise, stirring is anti-
2.2h is answered, then stands 5h；
3) after reacting liquid filtering, it is washed with deionized, is then placed in vacuum drying chamber, 6h is dried under conditions of 73 DEG C,
Obtain pre-processing ultra-violet absorber.
A kind of preparation method of high anti-aging pad pasting comprises the following steps：
A) by polyacrylic resin, the β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,2,
6,6- tetramethyl piperidines alcohol ester, tribenzylidene sorbitol, octadecanoid acid and ultra-violet absorber are added in batch mixer and are well mixed
Obtain batch mixing, then batch mixing added melting is heated in extruder, after melt extrusion at die head slab；
B) slab is put into vertical machine drawing, opens vertical machine drawing and complete longitudinal stretching, then put it into transverse stretching machine and carry out horizontal drawing
Stretch；Longitudinal stretching technological parameter is arranged to：Preheating section temperature is 200 DEG C, and tentering section temperature is 238 DEG C, and cooling section temperature is 73
DEG C, draw ratio is 2.6 times；The temperature that draws high of cross directional stretch technique is：Preheating section temperature is 190 DEG C, and tentering section temperature is 250
DEG C, sizing section temperature is 83 DEG C, and draw ratio is 4.5 times.
Embodiment 3
A kind of high anti-aging pad pasting, the pad pasting raw material thoroughly include following parts by weight of component：70 parts of polyacrylic resin, β-(4-
Hydroxyl -3,5 di-tert-butyl-phenyl) 3.5 parts of the positive octadecanol ester of propionic acid, double -2,2,6, the 6- tetramethyl piperidine alcohol esters 2 of decanedioic acid
Part, 6 parts of tribenzylidene sorbitol, 4 parts of octadecanoid acid and 4 parts of ultra-violet absorber.
Ultra-violet absorber is nano zine oxide and nano aluminium oxide mixed powder, and ultra-violet absorber is by pre- place
Reason, preprocess method comprise the following steps：
1) it is that 1.5g nano zine oxides and 2.5g nano aluminium oxide mixed powders are added in 200mL deionized waters by quality, magnetic
Power stirs 6h, then adds 0.13g carboxylic acid sodiums, carries out emulsification 1.5h, obtain suspension；
2) suspension is heated to 77 DEG C, 0.35mol sodium silicate aqueous solution is added dropwise, then 0.2mol dust technologies are added dropwise, stirring is anti-
2.6h is answered, then stands 6h；
3) after reacting liquid filtering, it is washed with deionized, is then placed in vacuum drying chamber, 7h is dried under conditions of 75 DEG C,
Obtain pre-processing ultra-violet absorber.
A kind of preparation method of high anti-aging pad pasting comprises the following steps：
A) by polyacrylic resin, the β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,2,
6,6- tetramethyl piperidines alcohol ester, tribenzylidene sorbitol, octadecanoid acid and ultra-violet absorber are added in batch mixer and are well mixed
Obtain batch mixing, then batch mixing added melting is heated in extruder, after melt extrusion at die head slab；
B) slab is put into vertical machine drawing, opens vertical machine drawing and complete longitudinal stretching, then put it into transverse stretching machine and carry out horizontal drawing
Stretch；Longitudinal stretching technological parameter is arranged to：Preheating section temperature is 210 DEG C, and tentering section temperature is 240 DEG C, and cooling section temperature is 75
DEG C, draw ratio is 2.8 times；The temperature that draws high of cross directional stretch technique is：Preheating section temperature is 192 DEG C, and tentering section temperature is 252
DEG C, sizing section temperature is 84 DEG C, and draw ratio is 4.6 times.
Embodiment 4
A kind of high anti-aging pad pasting, the pad pasting raw material thoroughly include following parts by weight of component：75 parts of polyacrylic resin, β-(4-
Hydroxyl -3,5 di-tert-butyl-phenyl) 4 parts of the positive octadecanol ester of propionic acid, double -2,2,6,6- 3 parts of the tetramethyl piperidine alcohol esters of decanedioic acid,
5 parts of 7 parts of tribenzylidene sorbitol, 5 parts of octadecanoid acid and ultra-violet absorber.
Ultra-violet absorber is nano zine oxide and nano aluminium oxide mixed powder, and ultra-violet absorber is by pre- place
Reason, preprocess method comprise the following steps：
1) it is that 1.8g nano zine oxides and 2.8g nano aluminium oxide mixed powders are added in 210mL deionized waters by quality, magnetic
Power stirs 7h, then adds 0.14g carboxylic acid sodiums, carries out emulsification 1.8h, obtain suspension；
2) suspension is heated to 78 DEG C, 0.4mol sodium silicate aqueous solution is added dropwise, then 0.22mol dust technologies are added dropwise, stirring is anti-
2.8h is answered, then stands 7h；
3) after reacting liquid filtering, it is washed with deionized, is then placed in vacuum drying chamber, 8h is dried under conditions of 77 DEG C,
Obtain pre-processing ultra-violet absorber.
A kind of preparation method of high anti-aging pad pasting comprises the following steps：
A) by polyacrylic resin, the β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,2,
6,6- tetramethyl piperidines alcohol ester, tribenzylidene sorbitol, octadecanoid acid and ultra-violet absorber are added in batch mixer and are well mixed
Obtain batch mixing, then batch mixing added melting is heated in extruder, after melt extrusion at die head slab；
B) slab is put into vertical machine drawing, opens vertical machine drawing and complete longitudinal stretching, then put it into transverse stretching machine and carry out horizontal drawing
Stretch；Longitudinal stretching technological parameter is arranged to：Preheating section temperature is 220 DEG C, and tentering section temperature is 242 DEG C, and cooling section temperature is 78
DEG C, draw ratio is 3 times；The temperature that draws high of cross directional stretch technique is：Preheating section temperature is 195 DEG C, and tentering section temperature is 255
DEG C, sizing section temperature is 86 DEG C, and draw ratio is 4.8 times.
Embodiment 5
A kind of high anti-aging pad pasting, the pad pasting raw material thoroughly include following parts by weight of component：78 parts of polyacrylic resin, β-(4-
Hydroxyl -3,5 di-tert-butyl-phenyl) 5 parts of the positive octadecanol ester of propionic acid, double -2,2,6,6- 3 parts of the tetramethyl piperidine alcohol esters of decanedioic acid,
6 parts of 8 parts of tribenzylidene sorbitol, 6 parts of octadecanoid acid and ultra-violet absorber.
Ultra-violet absorber is nano zine oxide and nano aluminium oxide mixed powder, and ultra-violet absorber is by pre- place
Reason, preprocess method comprise the following steps：
1) it is that 2g nano zine oxides and 3g nano aluminium oxide mixed powders are added in 220mL deionized waters by quality, magnetic force stirs
8h is mixed, 0.15g carboxylic acid sodiums is then added, carries out emulsification 2h, obtain suspension；
2) suspension is heated to 80 DEG C, 0.45mol sodium silicate aqueous solution is added dropwise, then 0.23mol dust technologies are added dropwise, stirring is anti-
3h is answered, then stands 8h；
3) after reacting liquid filtering, it is washed with deionized, is then placed in vacuum drying chamber, 9h is dried under conditions of 80 DEG C,
Obtain pre-processing ultra-violet absorber.
A kind of preparation method of high anti-aging pad pasting comprises the following steps：
A) by polyacrylic resin, the β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,2,
6,6- tetramethyl piperidines alcohol ester, tribenzylidene sorbitol, octadecanoid acid and ultra-violet absorber are added in batch mixer and are well mixed
Obtain batch mixing, then batch mixing added melting is heated in extruder, after melt extrusion at die head slab；
B) slab is put into vertical machine drawing, opens vertical machine drawing and complete longitudinal stretching, then put it into transverse stretching machine and carry out horizontal drawing
Stretch；Longitudinal stretching technological parameter is arranged to：Preheating section temperature is 225 DEG C, and tentering section temperature is 245 DEG C, and cooling section temperature is 80
DEG C, draw ratio is 3.2 times；The temperature that draws high of cross directional stretch technique is：Preheating section temperature is 200 DEG C, and tentering section temperature is 260
DEG C, sizing section temperature is 90 DEG C, and draw ratio is 5 times.
Comparative example 1
A kind of high anti-aging pad pasting, the pad pasting raw material thoroughly include following parts by weight of component：70 parts of polyacrylic resin, β-(4-
Hydroxyl -3,5 di-tert-butyl-phenyl) 3.5 parts of the positive octadecanol ester of propionic acid, double -2,2,6, the 6- tetramethyl piperidine alcohol esters 2 of decanedioic acid
Part, 6 parts of tribenzylidene sorbitol, 4 parts of octadecanoid acid and 4 parts of ultra-violet absorber.
Ultra-violet absorber is nano zine oxide and nano aluminium oxide mixed powder, and nano zine oxide and nano aluminium oxide
Mass ratio be 1:1.
A kind of preparation method of high anti-aging pad pasting comprises the following steps：
A) by polyacrylic resin, the β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,2,
6,6- tetramethyl piperidines alcohol ester, tribenzylidene sorbitol and octadecanoid acid, ultra-violet absorber are added in batch mixer and are well mixed
Obtain batch mixing, then batch mixing added melting is heated in extruder, after melt extrusion at die head slab；
B) slab is put into vertical machine drawing, opens vertical machine drawing and complete longitudinal stretching, then put it into transverse stretching machine and carry out horizontal drawing
Stretch；Longitudinal stretching technological parameter is arranged to：Preheating section temperature is 210 DEG C, and tentering section temperature is 240 DEG C, and cooling section temperature is 75
DEG C, draw ratio is 2.8 times；The temperature that draws high of cross directional stretch technique is：Preheating section temperature is 192 DEG C, and tentering section temperature is 252
DEG C, sizing section temperature is 84 DEG C, and draw ratio is 4.6 times.
Comparative example 2
70 parts of polyacrylic resin, β -3.5 parts of positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid
Double 2 parts of -2,2,6,6- tetramethyl piperidines alcohol esters, 6 parts of tribenzylidene sorbitol, 4 parts of octadecanoid acid.
A kind of preparation method of high anti-aging pad pasting comprises the following steps：
A) by polyacrylic resin, the β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,2,
6,6- tetramethyl piperidine alcohol esters, tribenzylidene sorbitol and octadecanoid acid, which add to be well mixed in batch mixer, obtains batch mixing, then
Batch mixing is added melting is heated in extruder, after melt extrusion at die head slab；
B) slab is put into vertical machine drawing, opens vertical machine drawing and complete longitudinal stretching, then put it into transverse stretching machine and carry out horizontal drawing
Stretch；Longitudinal stretching technological parameter is arranged to：Preheating section temperature is 210 DEG C, and tentering section temperature is 240 DEG C, and cooling section temperature is 75
DEG C, draw ratio is 2.8 times；The temperature that draws high of cross directional stretch technique is：Preheating section temperature is 192 DEG C, and tentering section temperature is 252
DEG C, sizing section temperature is 84 DEG C, and draw ratio is 4.6 times.
Test：
The pad pasting of testing example 1~5 and comparative example 1 carries out the ageing properties test (ultra-violet absorber of embodiment 1~5 respectively
By processing, the ultra-violet absorber of comparative example 1 does not add ultra-violet absorber by processing, comparative example 2), test result
Data are as shown in the table：
As can be seen here, after being pre-processed to ultra-violet absorber, the pad pasting uvioresistant ability of preparation is strong, mass loss is few, energy
Significantly improve the ageing resistace of pad pasting.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member,
Without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (6)
1. a kind of high anti-aging pad pasting thoroughly, it is characterized in that, the pad pasting raw material includes following parts by weight of component：Polyacrylic resin
64 ~ 78 parts, β -2 ~ 5 parts of the positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,2,6,6- tetra-
2 ~ 6 parts of 1 ~ 3 part of methyl piperidine alcohol ester, 4 ~ 8 parts of tribenzylidene sorbitol, 2 ~ 6 parts of octadecanoid acid and ultra-violet absorber；It is wherein purple
Ultraviolet absorbers are nano zine oxide and nano aluminium oxide mixed powder, and the ultra-violet absorber is by pretreatment, pretreatment
Method comprises the following steps：
1）It is that 1 ~ 2g nano zine oxides and 2 ~ 3g nano aluminium oxide mixed powders are added to 180 ~ 220mL deionized waters by quality
In, 4 ~ 8h of magnetic agitation, 0.1 ~ 0.15g carboxylic acid sodiums are then added, 1 ~ 2h of emulsification is carried out, obtains suspension；
2）Suspension is heated to 75 ~ 80 DEG C, 0.24 ~ 0.45mol sodium silicate aqueous solution is added dropwise, then 0.15 ~ 0.23mol is added dropwise
Dust technology, stirring reaction, then stand 4 ~ 8h；
3）After reacting liquid filtering, it is washed with deionized, is then placed in vacuum drying chamber, is dried under conditions of 70 ~ 80 DEG C,
Obtain pre-processing ultra-violet absorber.
2. a kind of high anti-aging pad pasting thoroughly according to claim 1, it is characterized in that, the step 2）Middle stirring reaction 2 ~
3h。
3. a kind of high anti-aging pad pasting thoroughly according to claim 1, it is characterized in that, the step 3）Middle 5 ~ 9h of drying.
4. a kind of preparation method of the saturating anti-aging pad pasting of height as described in claim 1 ~ 3, it is characterized in that, comprise the following steps：
a）By polyacrylic resin, the β-positive octadecanol ester of (4- hydroxyls -3,5 di-tert-butyl-phenyl) propionic acid, decanedioic acid double -2,
2,6,6- tetramethyl piperidines alcohol ester, tribenzylidene sorbitol, octadecanoid acid and ultra-violet absorber are added in batch mixer and mixed
It is even to obtain batch mixing, then batch mixing is added melting is heated in extruder, after melt extrusion at die head slab；
b）Slab is put into vertical machine drawing, vertical machine drawing is opened and completes longitudinal stretching, then put it into transverse stretching machine and carry out horizontal drawing
Stretch.
5. a kind of preparation method of high anti-aging pad pasting according to claim 4, it is characterized in that, the step a）In indulge
It is arranged to drawing parameter：Preheating section temperature is 195 ~ 225 DEG C, and tentering section temperature is 235 ~ 245 DEG C, and cooling section temperature is
70 ~ 80 DEG C, draw ratio is 2.4 ~ 3.2 times.
6. a kind of preparation method of high anti-aging pad pasting according to claim 4, it is characterized in that, it is horizontal in the step b)
It is to the temperature that draws high of drawing process：Preheating section temperature is 185 ~ 200 DEG C, and tentering section temperature is 245 ~ 260 DEG C, section temperature of shaping
For 80 ~ 90 DEG C, draw ratio is 4.4 ~ 5 times.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101792566A (en) * | 2010-01-29 | 2010-08-04 | 晋江市夜视明反光材料有限公司 | Preparation method of oriented reflective membrane surface material |
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