CN109291475A - A kind of preparation method of solar components insulation strip - Google Patents
A kind of preparation method of solar components insulation strip Download PDFInfo
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- CN109291475A CN109291475A CN201811438326.7A CN201811438326A CN109291475A CN 109291475 A CN109291475 A CN 109291475A CN 201811438326 A CN201811438326 A CN 201811438326A CN 109291475 A CN109291475 A CN 109291475A
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- eva
- corona treatment
- corona
- casting films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
Abstract
The invention belongs to field of packaging material, disclose a kind of preparation method of solar energy insulation strip.It specifically includes: to milky PET mylar film thin-film unreeling, to sided corona treatment, EVA casting films combined processing, sided corona treatment on the inside of milky PET mylar film film, being wound after static elimination and first obtain compound B；Then it unreels again and obtains compound C, then sided corona treatment through sided corona treatment, EVA casting films combined processing on the outside of compound B, winding obtains solar components insulation strip after static elimination.The present invention can make substrate surface form polar carbonyl progress sided corona treatment on the inside of substrate, and EVA casting films also will form polar group under the strong oxidizing property of ozone；In the case where without AC agent, it is also ensured that binding force between the two；And there is good insulation performance, it can effectively completely cut off multilayer circuit.
Description
Technical field
The invention belongs to field of packaging material, especially a kind of preparation method of solar components insulation strip.
Background technique
In solar cell module, completely cuts off the positive and negative anodes of busbar usually using backboard insulation strip, but using
Insulation strip isolation is that the air side of backboard insulation strip can not generate good bond effect, such component regional area meeting with EVA
There are the risks that glass falls off, and more seriously, influence whether the stability of component.It is held in addition, insulation strip also suffers from sunlight
Continuous ultraviolet light irradiation, in prolonged actual use, as the duration of vapor slowly penetrates, primary coat in process
The residual of agent, insulation strip can occur slowly to fail and change under the action of ultraviolet light irradiation and vapor, therefore insulation strip
Resistance to ultraviolet, water-resistant capacity is also particularly important.
Summary of the invention
In response to the deficiencies in the existing technology, the present invention provides a kind of preparation method of solar components insulation strip,
Insulation strip structure obtained is simple, functional.
The present invention achieves the above technical objects by the following technical means.
A kind of preparation method of solar components insulation strip, includes the following steps:
First procedure:
(1) substrate unreels: milky PET mylar film film is decontroled by unwinding equipment；
(2) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(3) the corona spark in the milky PET mylar film film step 2 decontroled in step 1 carries out its inside
Sided corona treatment makes the corona value of processed surface reach 52 dynes；
(4) ethylene copolymer EVA resin particle is cast out by extruder melting and forms transparence casting films；
(5) the milky PET mylar film film crossed in step 3 through sided corona treatment is led to jointly with EVA casting films in step 4
Equipment complex is crossed, EVA casting films combine on one side with what milky PET mylar film film was corona treated at this time, EVA curtain coating
Film is surveyed inside, and milky PET mylar film film on the outside, obtains compound A.Combined processing concrete mode: first by EVA resin
Particle is placed in extruder, heated extruder and the revolving speed, extrusion output and air gap height for adjusting extruder, and EVA resin particle is melted
The die lip for melting, being forced through extruder forms eva film shape and is cast out, forms EVA casting films；Then pass through with step (3)
The milky PET mylar film film of sided corona treatment commonly through equipment complex by pressure roller and chill roll, in recombination process,
It is passed through ozone between EVA casting films and milky PET mylar film film, the direction that ozone is passed through and EVA casting films are in certain angle
Degree；Then cooling treatment is carried out through chill roll, finally by stripper roll；It wherein, is a by the pressing point of pressure roller and chill roll, it is cold
But the pressing point of roller and stripper roll is b, reaches and presses through pressing point a after EVA casting films and milky PET mylar film Film laminated
Point b；
The VA content of the EVA resin is between 15-20%, and MI is between 7-8g/10min；
The EVA resin temperature control is at 210-220 DEG C；
The screw speed of the extruder is 460~470 turns/min；Extrusion output is 280~300kg/h；
" air gap height " the i.e. die lip of extruder is 10cm-15cm to the vertical range of recombination site；By pressure roller and cold
But on the basis of the tangent position of roller, the die lip of extruder, which is open, deviates 5-10 degree to by pressure roller side.
The ozone flow control is in 60L/h；
The direction and eva film that ozone is passed through are in 40~50 degree of angles；
It is passed through the mode of ozone are as follows: row's circular hole is uniformly provided on the snorkel of stainless steel, ventilation pipe diameter is
1.5cm, Circularhole diameter 1mm, circular hole spacing are 3-5mm.The tube wall of snorkel hangs down apart from milky PET mylar film film surface
Directly distance 6-9mm；
When reaching pressing point b through pressing point a after the EVA casting films and milky PET mylar film Film laminated, point is pressed
The distance controlling of a and pressing point b are in 1500~1600mm.Chill-roll temperature is controlled in 18-20 degree, to be controlled cooling time
0.5 second to 0.8 second；
(6) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(7) by the inside of the compound A arrived in step 5, i.e. corona spark in this side step 6 of EVA casting films
Sided corona treatment is carried out, the corona value of processed surface is made to reach 36 dynes；
(8) it after static elimination, is wound to obtain compound B with winding device；
Second operation work:
(9) the compound B in step 8 is decontroled with unwinding equipment,
(10) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(11) the corona spark in the outside step 10 of the compound B decontroled in step 9 is subjected to sided corona treatment, make by
The corona value of process face reaches 52 dynes；
(12) ethylene copolymer pellets are cast out by extruder melting and form transparence film；
(13) the compound B by sided corona treatment in step 11 is led to jointly with the ethylene copolymer films in step 12
Equipment complex is crossed, at this time outside, that is, milky PET mylar film film phase of the ethylene copolymer films in step 12 and compound B
In conjunction with obtaining compound C；The same step of combined processing mode (5)；
(14) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(15) by the inside of compound C, i.e. ethylene copolymer films in step 12 use the corona spark in step 14
Sided corona treatment is carried out, the surface corona value of processed surface is made to reach 36 dynes；
(16) it after static elimination, is wound to obtain solar components insulation strip with winding device.
A kind of solar components insulation strip prepared by the present invention successively includes EVA casting films, milky PET mylar film
Film and EVA casting films have good insulation performance, can effectively completely cut off multilayer circuit.
The invention has the benefit that
(1) present invention can make substrate surface form polar carbonyl, EVA casting films progress sided corona treatment on the inside of substrate
It also will form polar group under the strong oxidizing property of ozone；In the case where without AC agent, it is also ensured that binding force between the two；
(2) high-grade sided corona treatment is used to milky PET mylar film film, guarantees EVA and milky PET mylar film
Bonding force between film；The sided corona treatment of inferior grade is used to EVA curtain coating film surface, and adhesion can be prevented；
(3) milky PET mylar film film has dimensionally stable, straight and excellent anti-tear tensile strength, heat-resisting cold-resistant, resistance to
Tide is water-fast, resistant to chemical etching, and insulation performance with super strength, excellent electrical, mechanics, heat-resisting, chemical-resistance；
(4) milky PET mylar film film itself has insulation performance, and the present invention is in its surface coating EVA casting films etc.
The vapor in air and air can further be completely cut off；Route can be fixed simultaneously, prevents route from loosening；
(5) the VA content control of EVA resin can be effectively reduced high-crystallinity, improve flexibility, anti-impact 15~20%
Hitting property, filler intermiscibility and heat sealing performance.
Detailed description of the invention
Fig. 1 is flow chart of the invention, and a is first of process flow chart, and b is second operation work flow chart.
The specific schematic diagram of Fig. 2 combined processing.
Fig. 3 is the partial enlarged view in Fig. 2 at A.
Fig. 4 is the partial enlarged view in Fig. 2 at B.
The structural schematic diagram of solar components insulation strip Fig. 5 of the invention.
The reference numerals are as follows:
1- extruder, 2- chill roll, 3- is by pressure roller, 4- stripper roll, 5- snorkel.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
Embodiment 1
First procedure:
(1) substrate unreels: milky PET mylar film film is decontroled by unwinding equipment；
(2) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(3) the corona spark in the milky PET mylar film film step 2 decontroled in step 1 carries out its inside
Sided corona treatment makes the corona value of processed surface reach 52 dynes；
(4) ethylene copolymer EVA resin particle is cast out by extruder melting and forms transparence casting films；
(5) the milky PET mylar film film crossed in step 3 through sided corona treatment is led to jointly with EVA casting films in step 4
Equipment complex is crossed, EVA casting films combine on one side with what milky PET mylar film film was corona treated at this time, EVA curtain coating
Film is surveyed inside, and milky PET mylar film film on the outside, obtains compound A.Combined processing concrete mode: first by EVA resin
Particle is placed in extruder, heated extruder and the revolving speed, extrusion output and air gap height for adjusting extruder, and EVA resin particle is melted
The die lip for melting, being forced through extruder forms eva film shape and is cast out, forms EVA casting films；Then pass through with step (3)
The milky PET mylar film film of sided corona treatment commonly through equipment complex by pressure roller and chill roll, in recombination process,
It is passed through ozone between EVA casting films and milky PET mylar film film, the direction that ozone is passed through and EVA casting films are in certain angle
Degree；Then cooling treatment is carried out through chill roll, finally by stripper roll；It wherein, is a by the pressing point of pressure roller and chill roll, it is cold
But the pressing point of roller and stripper roll is b, reaches and presses through pressing point a after EVA casting films and milky PET mylar film Film laminated
Point b；
The VA content of the EVA resin is between 15%, and MI is between 7g/10min；
The EVA resin temperature control is at 210 DEG C；
The screw speed of the extruder is 460 turns/min；Extrusion output is 280kg/h；
" air gap height " the i.e. die lip of extruder is 10cmcm to the vertical range of recombination site；By pressure roller and cooling
On the basis of the tangent position of roller, the die lip of extruder, which is open, deviates 5 degree to by pressure roller side.
The ozone flow control is in 60L/h；
The direction and eva film that ozone is passed through are in 40 degree of angles；
It is passed through the mode of ozone are as follows: row's circular hole is uniformly provided on the snorkel of stainless steel, ventilation pipe diameter is
1.5cm, Circularhole diameter 1mm, circular hole spacing are 3mm.The tube wall of snorkel is vertical apart from milky PET mylar film film surface
Distance 6mm；
When reaching pressing point b through pressing point a after the EVA casting films and milky PET mylar film Film laminated, point is pressed
The distance controlling of a and pressing point b are in 1500mm.Chill-roll temperature is controlled at 18 degree, and cooling time will control at 0.5 second；
(6) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(7) by the inside of the compound A arrived in step 5, i.e. corona spark in this side step 6 of EVA casting films
Sided corona treatment is carried out, the corona value of processed surface is made to reach 36 dynes；
(8) it after static elimination, is wound to obtain compound B with winding device；
Second operation work:
(9) the compound B in step 8 is decontroled with unwinding equipment,
(10) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(11) the corona spark in the outside step 10 of the compound B decontroled in step 9 is subjected to sided corona treatment, make by
The corona value of process face reaches 52 dynes；
(12) ethylene copolymer pellets are cast out by extruder melting and form transparence film；
(13) the compound B by sided corona treatment in step 11 is led to jointly with the ethylene copolymer films in step 12
Equipment complex is crossed, at this time outside, that is, milky PET mylar film film phase of the ethylene copolymer films in step 12 and compound B
In conjunction with obtaining compound C；The same step of combined processing mode (5)；
(14) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(15) by the inside of compound C, i.e. ethylene copolymer films in step 12 use the corona spark in step 14
Sided corona treatment is carried out, the surface corona value of processed surface is made to reach 36 dynes；
(16) it after static elimination, is wound to obtain solar components insulation strip with winding device.
A kind of solar components insulation strip prepared by the present invention successively includes EVA casting films, milky PET mylar film
Film and EVA casting films.Good insulation performance, effectively isolation multilayer circuit.
Embodiment 2
First procedure:
(1) substrate unreels: milky PET mylar film film is decontroled by unwinding equipment；
(2) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(3) the corona spark in the milky PET mylar film film step 2 decontroled in step 1 carries out its inside
Sided corona treatment makes the corona value of processed surface reach 52 dynes；
(4) ethylene copolymer EVA resin particle is cast out by extruder melting and forms transparence casting films；
(5) the milky PET mylar film film crossed in step 3 through sided corona treatment is led to jointly with EVA casting films in step 4
Equipment complex is crossed, EVA casting films combine on one side with what milky PET mylar film film was corona treated at this time, EVA curtain coating
Film is surveyed inside, and milky PET mylar film film on the outside, obtains compound A.Combined processing concrete mode: first by EVA resin
Particle is placed in extruder, heated extruder and the revolving speed, extrusion output and air gap height for adjusting extruder, and EVA resin particle is melted
The die lip for melting, being forced through extruder forms eva film shape and is cast out, forms EVA casting films；Then pass through with step (3)
The milky PET mylar film film of sided corona treatment commonly through equipment complex by pressure roller and chill roll, in recombination process,
It is passed through ozone between EVA casting films and milky PET mylar film film, the direction that ozone is passed through and EVA casting films are in certain angle
Degree；Then cooling treatment is carried out through chill roll, finally by stripper roll；It wherein, is a by the pressing point of pressure roller and chill roll, it is cold
But the pressing point of roller and stripper roll is b, reaches and presses through pressing point a after EVA casting films and milky PET mylar film Film laminated
Point b；
The VA content of the EVA resin is between 18%, and MI is between 7.5g/10min；
The EVA resin temperature control is at 215 DEG C；
The screw speed of the extruder is 465 turns/min；Extrusion output is 290kg/h；
" air gap height " the i.e. die lip of extruder is 12.5cm to the vertical range of recombination site；By pressure roller and cooling
On the basis of the tangent position of roller, the die lip of extruder, which is open, deviates 8 degree to by pressure roller side.
The ozone flow control is in 60L/h；
The direction and eva film that ozone is passed through are in 45 degree of angles；
It is passed through the mode of ozone are as follows: row's circular hole is uniformly provided on the snorkel of stainless steel, ventilation pipe diameter is
1.5cm, Circularhole diameter 1mm, circular hole spacing are 4mm.The tube wall of snorkel is vertical apart from milky PET mylar film film surface
Distance 7.5mm；
When reaching pressing point b through pressing point a after the EVA casting films and milky PET mylar film Film laminated, point is pressed
The distance controlling of a and pressing point b are in 1550mm.Chill-roll temperature is controlled at 19 degree, and cooling time will control at 0.6 second；
(6) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(7) by the inside of the compound A arrived in step 5, i.e. corona spark in this side step 6 of EVA casting films
Sided corona treatment is carried out, the corona value of processed surface is made to reach 36 dynes；
(8) it after static elimination, is wound to obtain compound B with winding device；
Second operation work:
(9) the compound B in step 8 is decontroled with unwinding equipment,
(10) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(11) the corona spark in the outside step 10 of the compound B decontroled in step 9 is subjected to sided corona treatment, make by
The corona value of process face reaches 52 dynes；
(12) ethylene copolymer pellets are cast out by extruder melting and form transparence film；
(13) the compound B by sided corona treatment in step 11 is led to jointly with the ethylene copolymer films in step 12
Equipment complex is crossed, at this time outside, that is, milky PET mylar film film phase of the ethylene copolymer films in step 12 and compound B
In conjunction with obtaining compound C；The same step of combined processing mode (5)；
(14) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(15) by the inside of compound C, i.e. ethylene copolymer films in step 12 use the corona spark in step 14
Sided corona treatment is carried out, the surface corona value of processed surface is made to reach 36 dynes；
(16) it after static elimination, is wound to obtain solar components insulation strip with winding device.
A kind of solar components insulation strip prepared by the present invention successively includes EVA casting films, milky PET mylar film
Film and EVA casting films.Good insulation performance, effectively isolation multilayer circuit.
Embodiment 3
First procedure:
(1) substrate unreels: milky PET mylar film film is decontroled by unwinding equipment；
(2) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(3) the corona spark in the milky PET mylar film film step 2 decontroled in step 1 carries out its inside
Sided corona treatment makes the corona value of processed surface reach 52 dynes；
(4) ethylene copolymer EVA resin particle is cast out by extruder melting and forms transparence casting films；
(5) the milky PET mylar film film crossed in step 3 through sided corona treatment is led to jointly with EVA casting films in step 4
Equipment complex is crossed, EVA casting films combine on one side with what milky PET mylar film film was corona treated at this time, EVA curtain coating
Film is surveyed inside, and milky PET mylar film film on the outside, obtains compound A.Combined processing concrete mode: first by EVA resin
Particle is placed in extruder, heated extruder and the revolving speed, extrusion output and air gap height for adjusting extruder, and EVA resin particle is melted
The die lip for melting, being forced through extruder forms eva film shape and is cast out, forms EVA casting films；Then pass through with step (3)
The milky PET mylar film film of sided corona treatment commonly through equipment complex by pressure roller and chill roll, in recombination process,
It is passed through ozone between EVA casting films and milky PET mylar film film, the direction that ozone is passed through and EVA casting films are in certain angle
Degree；Then cooling treatment is carried out through chill roll, finally by stripper roll；It wherein, is a by the pressing point of pressure roller and chill roll, it is cold
But the pressing point of roller and stripper roll is b, reaches and presses through pressing point a after EVA casting films and milky PET mylar film Film laminated
Point b；
The VA content of the EVA resin is between 20%, and MI is between 8g/10min；
The EVA resin temperature control is at 220 DEG C；
The screw speed of the extruder is 470 turns/min；Extrusion output is 300kg/h；
" air gap height " the i.e. die lip of extruder is 15cm to the vertical range of recombination site；By pressure roller and chill roll
Tangent position on the basis of, the die lip of extruder be open to by pressure roller side deviate 10 degree.
The ozone flow control is in 60L/h；
The direction and eva film that ozone is passed through are in 50 degree of angles；
It is passed through the mode of ozone are as follows: row's circular hole is uniformly provided on the snorkel of stainless steel, ventilation pipe diameter is
1.5cm, Circularhole diameter 1mm, circular hole spacing are 5mm.The tube wall of snorkel is vertical apart from milky PET mylar film film surface
Distance 9mm；
When reaching pressing point b through pressing point a after the EVA casting films and milky PET mylar film Film laminated, point is pressed
The distance controlling of a and pressing point b are in 1600mm.Chill-roll temperature is controlled at 20 degree, and cooling time will control at 0.8 second；
(6) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(7) by the inside of the compound A arrived in step 5, i.e. corona spark in this side step 6 of EVA casting films
Sided corona treatment is carried out, the corona value of processed surface is made to reach 36 dynes；
(8) it after static elimination, is wound to obtain compound B with winding device；
Second operation work:
(9) the compound B in step 8 is decontroled with unwinding equipment,
(10) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(11) the corona spark in the outside step 10 of the compound B decontroled in step 9 is subjected to sided corona treatment, make by
The corona value of process face reaches 52 dynes；
(12) ethylene copolymer pellets are cast out by extruder melting and form transparence film；
(13) the compound B by sided corona treatment in step 11 is led to jointly with the ethylene copolymer films in step 12
Equipment complex is crossed, at this time outside, that is, milky PET mylar film film phase of the ethylene copolymer films in step 12 and compound B
In conjunction with obtaining compound C；The same step of combined processing mode (5)；
(14) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(15) by the inside of compound C, i.e. ethylene copolymer films in step 12 use the corona spark in step 14
Sided corona treatment is carried out, the surface corona value of processed surface is made to reach 36 dynes；
(16) it after static elimination, is wound to obtain solar components insulation strip with winding device.
A kind of solar components insulation strip prepared by the present invention successively includes EVA casting films, milky PET mylar film
Film and EVA casting films.Good insulation performance, effectively isolation multilayer circuit.
Performance data
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (8)
1. a kind of preparation method of solar components insulation strip, which comprises the steps of:
First procedure:
(1) substrate unreels: milky PET mylar film film is decontroled by unwinding equipment；
(2) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(3) the corona spark in the milky PET mylar film film step 2 decontroled in step 1 is subjected to corona to its inside
Processing；
(4) ethylene copolymer EVA resin particle is cast out by extruder melting and forms transparence casting films；
(5) by EVA casting films in the milky PET mylar film film crossed in step 3 through sided corona treatment and step 4 commonly through multiple
Equipment is closed, EVA casting films combine on one side with what milky PET mylar film film was corona treated at this time, and EVA casting films exist
Interior survey, milky PET mylar film film on the outside, obtain compound A；
(6) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(7) by the inside of the compound A arrived in step 5, i.e. corona spark in this side step 6 of EVA casting films carries out
Sided corona treatment；
(8) it after static elimination, is wound to obtain compound B with winding device；
Second operation work:
(9) the compound B in step 8 is decontroled with unwinding equipment,
(10) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(11) the corona spark in the outside step 10 of the compound B decontroled in step 9 is subjected to sided corona treatment；
(12) ethylene copolymer pellets are cast out by extruder melting and form transparence film；
(13) by the compound B by sided corona treatment in step 11 and the ethylene copolymer films in step 12 commonly through multiple
Equipment is closed, the ethylene copolymer films in step 12 and outside, that is, milky PET mylar film film of compound B are mutually tied at this time
It closes, obtains compound C；The same step of combined processing mode (5)；
(14) its electric discharge is made to generate corona spark corona treatment equipment pressure high-frequency high-voltage；
(15) by the inside of compound C, i.e. ethylene copolymer films in step 12 are carried out using the corona spark in step 14
Sided corona treatment；
(16) it after static elimination, is wound to obtain solar components insulation strip with winding device.
2. a kind of preparation method of solar components insulation strip as described in claim 1, which is characterized in that
Sided corona treatment in step (3) makes the surface corona value of processed surface reach 52 dynes；
Sided corona treatment in step (7) makes the surface corona value of processed surface reach 36 dynes；
Sided corona treatment in step (11) makes the surface corona value of processed surface reach 52 dynes；
Sided corona treatment in step (15) makes the surface corona value of processed surface reach 36 dynes.
3. a kind of preparation method of solar components insulation strip as described in claim 1, which is characterized in that in step (5),
Combined processing concrete mode: being placed in extruder for EVA resin particle first, and heated extruder simultaneously adjusts the revolving speed of extruder, squeezes
Output and air gap height, by EVA resin particle fusion, be forced through extruder die lip formed eva film shape be cast out, shape
At EVA casting films；Then the milky PET mylar film film with step (3) Jing Guo sided corona treatment is commonly through equipment complex
By pressure roller and chill roll, in recombination process, ozone is passed through between EVA casting films and milky PET mylar film film, ozone is logical
The direction entered and EVA casting films are at an angle；Then cooling treatment is carried out through chill roll, finally by stripper roll；Wherein, quilt
The pressing point of pressure roller and chill roll is a, and the pressing point of chill roll and stripper roll is b, EVA casting films and milky PET mylar film
Pressing point b is reached through pressing point a after Film laminated.
4. a kind of preparation method of solar components insulation strip as claimed in claim 3, which is characterized in that the EVA tree
The VA content of rouge is between 15-20%, and MI is between 7-8g/10min；The EVA resin temperature control is at 210-220 DEG C.
5. a kind of preparation method of solar components insulation strip as claimed in claim 3, which is characterized in that the extruder
Screw speed be 460~470 turns/min；Extrusion output is 280~300kg/h.
6. a kind of preparation method of solar components insulation strip as claimed in claim 3, which is characterized in that " air gap height "
I.e. the die lip of extruder is 10cm-15cm to the vertical range of recombination site；Using by the tangent position of pressure roller and chill roll as base
Standard, the die lip of extruder, which is open, deviates 5-10 degree to by pressure roller side.
7. a kind of preparation method of solar components insulation strip as claimed in claim 3, which is characterized in that the flow of ozone
Amount control is in 60L/h；The direction and eva film that ozone is passed through are in 40~50 degree of angles；
It is passed through the mode of ozone are as follows: row's circular hole is uniformly provided on the snorkel of stainless steel, ventilation pipe diameter is 1.5cm, circle
Bore dia is 1mm, and circular hole spacing is 3-5mm；The tube wall of snorkel is apart from milky PET mylar film film surface vertical range 6-
9mm。
8. a kind of preparation method of solar components insulation strip as claimed in claim 3, which is characterized in that the EVA stream
Prolong when reaching pressing point b through pressing point a after film and milky PET mylar film Film laminated, the distance of pressing point a and pressing point b
Control is in 1500~1600mm；Chill-roll temperature is controlled in 18-20 degree, to be controlled at 0.5 second to 0.8 second cooling time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438326.7A CN109291475B (en) | 2018-11-28 | 2018-11-28 | Preparation method of insulating strip for solar module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438326.7A CN109291475B (en) | 2018-11-28 | 2018-11-28 | Preparation method of insulating strip for solar module |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248745A (en) * | 2011-05-31 | 2011-11-23 | 王一南 | Card protection film manufacturing process |
| CN103013363A (en) * | 2012-12-26 | 2013-04-03 | 南京红宝丽新材料有限公司 | Packaging adhesive film of solar component and preparation method thereof |
| CN107599457A (en) * | 2017-10-26 | 2018-01-19 | 扬州市众和同盛包装材料有限公司 | A kind of processing method of impression bar strength primer piece |
| CN207199634U (en) * | 2017-06-12 | 2018-04-06 | 扬州市众和同盛包装材料有限公司 | Solar cell module |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248745A (en) * | 2011-05-31 | 2011-11-23 | 王一南 | Card protection film manufacturing process |
| CN103013363A (en) * | 2012-12-26 | 2013-04-03 | 南京红宝丽新材料有限公司 | Packaging adhesive film of solar component and preparation method thereof |
| CN207199634U (en) * | 2017-06-12 | 2018-04-06 | 扬州市众和同盛包装材料有限公司 | Solar cell module |
| CN107599457A (en) * | 2017-10-26 | 2018-01-19 | 扬州市众和同盛包装材料有限公司 | A kind of processing method of impression bar strength primer piece |
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