CN103066141A - Modified polypropylene resin composition and solar energy rear panel made of the same - Google Patents
Modified polypropylene resin composition and solar energy rear panel made of the same Download PDFInfo
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Abstract
The invention discloses a solar energy rear panel and a preparation method of the solar energy rear panel. The solar energy rear panel comprises an inner surface layer, a core layer and an outer surface layer from inside to outside. By a mass rate, the inner surface layer is 10%-20%, the core layer is 20%-40%, and the outer surface layer is 40%-60%. The inner surface layer and the outer surface layer are made of polyamide resin, fillings and additive, and the core layer is made of the modified polypropylene resin composition. The modified polypropylene resin composition comprises the following components: 100 parts of polypropylene resin, 5-50 parts of graft polyethylene, 0-2.5 parts of additive and 0-100 parts of fillings. Meanwhile, the invention discloses the novel modified polypropylene resin composition used for the solar energy rear panel. Due to the novel modified polypropylene resin composition, a final product obtained has good low temperature resistance and impact resistance, meanwhile anti-aging performance and especially has performance of humidity resistance and resistance to aging. The solar energy rear panel prepared by the novel modified polypropylene resin composition is better than other rear panels in terms of water absorption, water vapor permeability, and interlaminar peeling and has excellent electrical insulating property. A shrinking rate, hot air aging and insulation property required by the solar energy rear panel are met, and the novel modified polypropylene resin composition can be used for solar energy battery components manufacturing .
Description
Technical field
The present invention relates to a kind of solar module polymer backboard, be specifically related to a kind of modified polypropylene resin solar energy backboard and preparation method thereof, belong to solar module manufacturing technology field.
Background technology
Solar energy is the abundantest regenerative resource of resource, has unique advantage and huge development and use potentiality, and solar power generation is that solar energy utilizes new technology in the approach.Solar photovoltaic system is comprised of solar battery group, controller for solar, storage battery etc., solar module is the core in the solar power system, wherein the solar energy backboard is the structural encapsulating material of solar module, for having played very large effect the useful life that prolongs solar cell, be the indispensable part of solar module, the material of preparation backboard should have reliable insulating properties, water preventing ability, mechanical performance, resistance to UV aging and wet and heat ageing resistant performance.
The main backboard that uses is multi-layer compound structure both at home and abroad at present, all be as base material film take polyester film (BOPET), being laminated with fluorine material forms such as manufacturings such as pvf film (PVF), PVDF membrane (PVDF) or coating fluorocarbon resins (FEVE), price is more expensive, complex manufacturing, electrical insulating property, cementability are poor, easily embrittlement.From the material of backboard, existing backboard generally all is as base material take polyester film (BOPET), and there is the researcher that polyester film is improved, Japanese Patent Laid-Open 2007-007885 communique, Japanese Patent Laid-Open 2006-306910 communique has proposed to use and has contained 2, the polyester film of 6-naphthalene dicarboxylic acids is as the technical scheme of solar energy back veneer material, the layered polyester film of Titanium Dioxide Rutile Top grade particle that discloses a kind of novel interpolation among the Chinese invention patent application CN102365172A, but the cohesive force of itself and adjacent EVA glued membrane can't guarantee, and because material structure feature, mylar is difficult to overcome the water absorption rate height, the defective of wet and heat ageing resistant poor performance (embrittlement) is difficult to reach the performance requirement of solar energy backboard.
Acrylic resin has high strength, high-fire resistance, higher resistance to wear, good electrical insulating property, stress cracking resistance and low creep properties, low moisture-vapor transmission and excellent dielectric property, and owing to do not have polar functional group in the molecular chain-end of propylene, therefore water absorption rate is extremely low, can satisfy the ageing-resistant performance requirement of solar module, and be expected to become important back veneer material.But its cold resistance is poor, and is fragile under low temperature disconnected, directly as the material of solar energy backboard base material, then can't satisfy its low-temperature impact resistance.
Therefore, develop the resin combination of a kind of low water absorption, low brittle temperature and high-insulativity, and prepare wet and heat ageing resistant, cementability and the mechanical performance with excellence by it, it is necessary to be applicable to industrialized solar energy backboard.
Summary of the invention
The purpose of this invention is to provide a kind of solar energy backboard and preparation method thereof, described backboard has wet and heat ageing resistant, cementability and the mechanical insulated performance of peel strength between high level, excellence, is suitable for the application of solar module.
For achieving the above object, the technical solution used in the present invention is: a kind of solar energy backboard, comprise from inside to outside endosexine, sandwich layer and extexine, and the mass ratio of described endosexine, sandwich layer and extexine is 10～20: 20～40: 40～60;
Wherein, described endosexine is made by polyamide, filler and additive; Described additive is selected from one or more in antioxidant, ultraviolet absorber and the light stabilizer;
Described extexine is made by polyamide, filler and additive; Described additive is selected from one or more in antioxidant, ultraviolet absorber and the light stabilizer;
Described sandwich layer is made by the modified polypropylene resin composition;
Described modified polypropylene resin composition in mass parts, comprises following component:
100 parts of acrylic resins
5～50 parts of grafted polyethylenes
0～100 part of filler
0～2.5 part of additive
Described acrylic resin is HOPP resin, COPP resin or both mixtures, and the DSC fusing point of acrylic resin is 160 ~ 168 ℃, and melt flow rate (MFR) is 1 ~ 2 g/10min;
Described grafted polyethylene is prepared by graft reaction by following component:
100 parts of polyvinyl resins
0.5～2.0 part of grafting agent
0.03～0.2 part of initator
Described polyvinyl resin is homopolymerisation polyethylene resin, polyethylene copolymer resin or both mixtures, and the DSC fusing point of polyvinyl resin is 120 ~ 135 ℃, and melt flow rate (MFR) is 1 ~ 2 g/10min.
In the technique scheme, described grafting agent is acrylic acid, acrylate, maleic acid, maleic anhydride or methine succinic acid.
In the technique scheme, described initator is di-tert-butyl peroxide (DTBP) or cumyl peroxide (DCP).
In the technique scheme, described filler is glass fibre, carbon fiber, talcum powder, mica, wollastonite or titanium dioxide.
The preparation of above-mentioned solar energy backboard comprises the steps:
(1) by described proportioning polyvinyl resin, grafting agent and initator are mixed, melt extrude processing through screw rod, prepare grafted polyethylene;
(2) join acrylic resin, filler and additive in the above-mentioned grafted polyethylene by proportioning and mix, through the screw rod melt-processed, can obtain described modified polypropylene resin composition;
The material that (3) will prepare endosexine, sandwich layer and extexine by proportioning joins respectively in three-layer co-extruded A screw rod, B screw rod and the C screw rod that goes out the sheet material unit, melt extrude at screw extruder simultaneously, through curtain coating, cooling, draw, batch and namely obtain described solar energy backboard.
Among the above-mentioned preparation method, the reaction extrusion temperature that the screw rod in the described step (3) melt extrudes processing is 180 ~ 240 ℃, and screw speed is controlled to be 95 ~ 105 rev/mins, and the time of staying of material in screw rod is 2-4 minute.
The present invention asks for protection a kind of modified polypropylene resin composition and method of making the same simultaneously.
The technical scheme that adopts is that a kind of modified polypropylene resin composition in mass parts, comprises following component:
100 parts of acrylic resins
5～50 parts of grafted polyethylenes
0～100 part of filler
0～2.5 part of additive
Described acrylic resin is HOPP resin, COPP resin or both mixtures, and the DSC fusing point of acrylic resin is 160 ~ 168 ℃, and melt flow rate (MFR) is 1 ~ 2 g/10min;
Described grafted polyethylene is prepared by graft reaction by following component:
100 parts of polyvinyl resins
0.5～2.0 part of grafting agent
0.03～0.2 part of initator
Described polyvinyl resin is homopolymerisation polyethylene resin, polyethylene copolymer resin or both mixtures, and the DSC fusing point of polyvinyl resin is 120 ~ 135 ℃, and melt flow rate (MFR) is 1 ~ 2 g/10min.
In the technique scheme, described grafting agent is acrylic acid, acrylate, maleic acid, maleic anhydride or methine succinic acid.
In the technique scheme, described initator is di-tert-butyl peroxide (DTBP) or cumyl peroxide (DCP).
In the technique scheme, described filler is glass fibre, carbon fiber, talcum powder, mica, wollastonite or titanium dioxide.
The preparation method of above-mentioned modified polypropylene resin composition comprises the steps:
(1) by proportioning polyvinyl resin, grafting agent and initator are mixed, melt extrude processing through screw rod, prepare grafted polyethylene;
(2) join remaining component in the above-mentioned grafted polyethylene by proportioning and mix, through the screw rod melt-processed, can obtain described resin combination.
Among the above-mentioned preparation method, the reaction extrusion temperature that the screw rod in the described step (1) melt extrudes processing is 160 ~ 220 ℃; Screw speed is controlled to be 95 ~ 105 rev/mins; The reaction extrusion temperature that screw rod in the described step (2) melt extrudes processing is 180 ~ 240 ℃; Screw speed is controlled to be 95 ~ 105 rev/mins.
Principle of the present invention: the present invention is the polypropylene, polyethylene alloy that macromolecule is made from the solubilising Theoretical Design according to the high polymer alloy latest theories, owing to introduced the crosslinked element of macromolecule thereby goods when obtaining good low-temperature impact resistance, also obtain ageing-resistant, the performance of especially high temperature resistant hydrothermal aging.It is its processing request that can satisfy solar panel greater than 150 ℃ polypropylene or polypropylene copolymer or its blend as one of reason of main material of the present invention that the present invention adopts fusing point (DSC).Because the introduction of grafting agent makes part polyethylene crosslinked, form the crosslinked network structure that is similar to rubber-like, with tenacity-increased profax, make it obtain performance and the high temperature resistant hydrothermal aging performance of excellent low-temperature impact resistance.By test (testing standard ASTM D6110), its simply supported beam notch shock (20 ℃) can reach 15 KJ/m
2, be higher than 2.55 KJ/m of plain polypropylene material far away
2, thereby can be used as solar energy backboard base material.In addition, the brittle temperature of resin combination of the present invention is all less than-40 ℃, brittle temperature without the block copolymerization polypropylene of toughening modifying only has-30 ℃, and its brittle temperature of resin combination that LLDPE is added the block copolymerization polypropylene blending and modifying can only reach-20 ℃.
The additive that the present invention adopts mainly comprises antioxidant, ultraviolet absorber and light stabilizer.
Antioxidant can suppress the thermo-oxidative ageing of polymer effectively.The present invention is not particularly limited for the kind of antioxidant.The antioxidant such as hindered phenol type, phosphite type and thioesters type can be as antioxidant of the present invention, preferred antioxidant is four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
The present invention is not particularly limited for the kind of UV absorbers and light stabilizer.Preferred ultra-violet absorber is UV-531, and preferred light stabilizer is two (2,2,6,6-tetramethyl-4-piperidyl) sebacates.Preferably, light stabilizer cooperates UV absorbers to use together, can play the single use UV absorbers optimum efficiency that is beyond one's reach, and effectively prevents xanthochromia and the rational loss of energy of blocker of material, suppress or weaken photodegradation, improve light aging resisting property.
Among the present invention, the endosexine contacts with EVA glued membrane in the solar module, and extexine is positioned at the outside of solar module.The polyamide of endosexine and extexine material selection is that the amide structure unit of repetition is (RCONH-) as the condensation polymer of main polymer chain, have higher hot strength, impact strength, excellent wear-resisting, self-lubricating property, and with EVA(ethylene-vinyl acetate copolymer as encapsulating material) glued membrane and good cementability is arranged as the silica gel of filling sealing usefulness.
In addition, the present invention adopts polar monomer, as grafting agent under the effect of initator with polyethylene generation graft reaction.Grafted polyethylene both had good compatibility with acrylic resin, can have with adjacent polyamide good cementability again, kept good splitting power between trilaminate material.
Because the employing of technique scheme, compared with prior art, the present invention has following advantage:
1. the present invention has developed a kind of new resin combination that is used for the solar energy backboard, take acrylic resin as main body, carry out toughness reinforcing with grafting agent grafted polyethylene flexibilizer, the final products that obtain are when having good low-temperature impact resistance, also have ageing-resistant, especially the performance of wet and heat ageing resistant has low saturated water absorption, low moisture-vapor transmission and excellent electrical insulating property simultaneously, can be used for making the solar energy backboard.
2. the solar energy backboard by modified polypropylene resin composition disclosed by the invention preparation is when having good splitting power, the performance that also has high temperature resistant hydrothermal aging, simultaneously have good cementability with EVA layer and silica gel, can be used for making solar module.
3. preparation method of the present invention is simple, and cost is lower, is suitable for applying.
Embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment one:
A kind of modified polypropylene resin composition, its preparation method is as follows:
(1) preparation of grafted polyethylene PE-MA
With 100 parts of (mass parts) LLDPE7042(Beijing Yanshan Petrochemical Companies), 1 part of maleic anhydride (chemical reagent, analyze pure), 0.05 part of DCP initator (Aksu, Tianjin company) adds in the blender after measuring respectively and mixes homogenizing, homogenizing drops in the double screw extruder after two hours and melt extrudes granulation; Cooling and dicing obtains graininess grafted polyethylene PE-MA, and its 190 ℃/2.16 kilograms melt flow rate (MFR) is 0.5g/10min.Wherein screw diameter is 75 millimeters, draw ratio 33, and extruder temperature is controlled at 160-220 ℃, and screw speed is controlled to be 100 rev/mins, and the time of staying of material in screw rod is 2-4 minute.
Described LLDPE7042(Beijing Yanshan Petrochemical Company) be LLDPE, its DSC fusing point is 125 ℃, melt flow rate (MFR) 2g/10min(190 ℃, 2.16 kilogram), number-average molecular weight 17000, weight average molecular weight 100000, hot strength 12MPa, elongation at break 500%;
(2) preparation of modified polypropylene resin composition: with 67 parts of polypropylene K8303(Beijing Yanshan Petrochemical Companies), 33 parts of grafted polyethylene PE-MA, 20 parts of rutile type titanium white R960(du pont companies), 0.2 part antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester (Beijing addition auxiliary agent research institute, KY1010), 0.2 part UV absorbers UV-531 (Beijing addition auxiliary agent research institute, GW531), 0.1 part light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) (Beijing addition auxiliary agent research institute GW480) mixes after the metering respectively sebacate; Melt extrude in the input double screw extruder (twin-screw adopts vented screw, and screw diameter is 75 millimeters, draw ratio 33, and extruder temperature is controlled at 180-240 ℃, and screw speed is controlled to be 100 rev/mins, the time of staying of material in screw rod is 2-4 minute); Material is finished product S1 after the cooling and dicing drying.
Described polypropylene K8303 is the block copolymerization polypropylene product that Beijing Yanshan Petrochemical Company produces, 163 ℃ of its DSC melt temperatures, melt flow rate (MFR) 2g/10min(230 ℃, 2.16 kilograms), number-average molecular weight 29000, weight average molecular weight 38000, tensile yield strength 22MPa, elongation at break 22%, Rockwell hardness 75R, being 480J/M during 23 ℃ of cantilever beam impact strengths, is 40J/M in the time of-20 ℃.
Embodiment two:
A kind of modified polypropylene resin composition, its preparation method is as follows:
(1) preparation of grafted polyethylene PE-MA: referring to embodiment one
(2) preparation of modified polypropylene resin composition: with 75 parts of block copolymerization polypropylene K8303,25 parts of grafted polyethylene PE-MA, 50 parts of rutile type titanium white R960,0.25 part antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part UV absorbers UV-531,0.1 part light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate melt extrudes (twin-screw employing vented screw by metering than mixing in the rear input double screw extruder, screw diameter is 75 millimeters, draw ratio 33, extruder temperature is controlled at 180-240 ℃, screw speed is controlled to be 100 rev/mins, and the time of staying of material in screw rod is 2-4 minute); Material is finished product S2 after the cooling and dicing drying.
Embodiment three:
A kind of modified polypropylene resin composition, its preparation method is as follows:
(1) preparation of grafted polyethylene PE-MA: referring to embodiment one
(2) preparation of modified polypropylene resin composition: with 96 parts of polypropylene 1300 and 4 parts of grafted polyethylene PE-MA, 40 parts of rutile type titanium white R960,0.2 part antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.25 part UV absorbers UV-531,0.15 part light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate mixes in the rear input double screw extruder and melt extrudes (twin-screw employing vented screw, screw diameter is 75 millimeters, draw ratio 33, extruder temperature is controlled at 180-240 ℃, screw speed is controlled to be 100 rev/mins, and the time of staying of material in screw rod is 2-4 minute); Material is finished product S3 after the cooling and dicing drying.
Embodiment four:
A kind of modified polyamide resin composition, its preparation method is as follows:
(1) preparation of grafted polyethylene PE-MA: referring to embodiment one
(2) preparation of modified polypropylene resin composition: with 50 parts of block copolymerization polypropylene K8303,50 parts of grafted polyethylene PE-MA, 60 parts of rutile type titanium white R960,0.3 part antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.25 part UV absorbers UV-531,0.15 part light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) will drop in the double screw extruder after sebacate mixes and melt extrude (twin-screw employing vented screw, screw diameter is 75 millimeters, draw ratio 33, extruder temperature is controlled at 180-240 ℃, screw speed is controlled to be 100 rev/mins, and the time of staying of material in screw rod is 2-4 minute); Material is finished product S4 after the cooling and dicing drying.
Embodiment five:
A kind of polypropylene solar energy backboard of coextrusion, its preparation method is as follows:
(1) 100 parts of poly-12 carbon, two acyl hexamethylene diamines (PA612) is added in the drier, 80 ℃ of dryings drop into height and stir in the machine after 4 hours, add 20 parts of rutile type titanium white R960,0.2 part of antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part of UV absorbers UV-531,0.1 part of light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, stirred 30 minutes, 600 rev/mins of rotating speeds, mixing of materials is even; Then above-mentioned material is dropped into the three-layer co-extruded A screw rod that goes out the sheet material unit, screw diameter is 60 millimeters, draw ratio 33.
(2) the finished product S1 of embodiment one preparation is dropped into the three-layer co-extruded B screw rod that goes out the sheet material unit, screw diameter is 90 millimeters, draw ratio 33.
(3) 100 parts of poly-12 carbon, two acyl hexamethylene diamines (PA612) are added in the drier, 80 ℃ of dryings drop into height and stir in the machine after 4 hours, add 20 parts of rutile type titanium white R960,0.2 part of antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part of UV absorbers UV-531,0.1 part of light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, stirred 30 minutes, 600 rev/mins of rotating speeds, mixing of materials is even; Then above-mentioned material is dropped into the three-layer co-extruded C screw rod that goes out the sheet material unit, screw diameter is 60 millimeters, draw ratio 33.
(4) three kinds of materials are melt extruded at screw extruder simultaneously, extruder temperature is controlled at 180-240 ℃, and screw speed is controlled to be 100 rev/mins, and the time of staying of material in screw rod is 2-4 minute.Endosexine, sandwich layer and three kinds of materials of extexine distribute in distributor, part by weight is 10/40/50, then enter T-pattern head (die width 1200mm), obtain finished product S5 through operations such as cooling off, draw, batch, 60-70 ℃ of three roller cooling water temperature, hauling speed 3-4 m/min, product thickness 0.33mm, width 1000mm, testing result sees Table 1.
Embodiment six:
A kind of polypropylene solar energy backboard of coextrusion, its preparation method is as follows:
(1) 100 parts of nylon 1010s (PA1010) is added in the drier, 80 ℃ of dryings drop into height and stir in the machine after 4 hours, add 20 parts of rutile type titanium white R960,0.2 part of antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part of UV absorbers UV-531,0.1 part of light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, stirred 30 minutes, 600 rev/mins of rotating speeds, mixing of materials is even; Then above-mentioned material is dropped into the three-layer co-extruded A screw rod that goes out the sheet material unit, screw diameter is 60 millimeters, draw ratio 33.
(2) the finished product S2 of embodiment two preparation is dropped into the three-layer co-extruded B screw rod that goes out the sheet material unit, screw diameter is 90 millimeters, draw ratio 33.
(3) 100 parts of nylon 1010s (PA1010) are added in the drier, 80 ℃ of dryings drop into height with material after 4 hours and stir in the machine, add 20 parts of rutile type titanium white R960,0.2 part of antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part of UV absorbers UV-531,0.1 part of light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, stirred 30 minutes, 600 rev/mins of rotating speeds, mixing of materials is even; Then above-mentioned material is dropped into the three-layer co-extruded C screw rod that goes out the sheet material unit, screw diameter is 60 millimeters, draw ratio 33.
(4) three kinds of materials are melt extruded at screw extruder simultaneously, extruder temperature is controlled at 180-240 ℃, and screw speed is controlled to be 100 rev/mins, and the time of staying of material in screw rod is 2-4 minute.Endosexine, sandwich layer and three kinds of materials of extexine distribute in distributor, and ratio is 20/40/40, then enters T-pattern head, die width 1200mm, obtain finished product S6,60-70 ℃ of three roller cooling water temperature, hauling speed 3-4 m/min through operations such as cooling off, draw, batch.Product thickness 0.33mm, width 1000mm.Testing result sees Table 1.
Embodiment seven:
A kind of polypropylene solar energy backboard of coextrusion, its preparation method is as follows:
(1) 100 parts of nylon 1010s (PA1010) is added in the drier, 80 ℃ of dryings drop into height and stir in the machine after 4 hours, add 20 parts of rutile type titanium white R960,0.2 part of antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part of UV absorbers UV-531,0.1 part of light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, stirred 30 minutes, 600 rev/mins of rotating speeds, mixing of materials is even; Then above-mentioned material is dropped into the three-layer co-extruded A screw rod that goes out the sheet material unit, screw diameter is 60 millimeters, draw ratio 33.
(2) the finished product S3 of embodiment three preparation is dropped into the three-layer co-extruded B screw rod that goes out the sheet material unit, screw diameter is 90 millimeters, draw ratio 33.
(3) 100 parts of nylon 1010s (PA1010) are added in the drier, 80 ℃ of dryings drop into height and stir in the machine after 4 hours, add 20 parts of rutile type titanium white R960,0.2 part of antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part of UV absorbers UV-531,0.1 part of light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, stirred 30 minutes, 600 rev/mins of rotating speeds, mixing of materials is even; Then above-mentioned material is dropped into the three-layer co-extruded C screw rod that goes out the sheet material unit, screw diameter is 60 millimeters, draw ratio 33.
(4) three kinds of materials are melt extruded at screw extruder simultaneously, extruder temperature is controlled at 180-240 ℃, and screw speed is controlled to be 100 rev/mins, and the time of staying of material in screw rod is 2-4 minute.Endosexine, sandwich layer and three kinds of materials of extexine distribute in distributor, and ratio is 20/30/50, then enters T-pattern head, die width 1200mm, obtain finished product S7,60-70 ℃ of three roller cooling water temperature, hauling speed 3-4 m/min through operations such as cooling off, draw, batch.Product thickness 0.33mm, width 1000mm.Testing result sees Table 1.
Embodiment eight:
A kind of polypropylene solar energy backboard of coextrusion, its preparation method is as follows:
(1) 100 parts of nylon 1010s (PA1010) is added in the drier, 80 ℃ of dryings drop into height and stir in the machine after 4 hours, add 20 parts of rutile type titanium white R960,0.2 part of antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part of UV absorbers UV-531,0.1 part of light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, stirred 30 minutes, 600 rev/mins of rotating speeds, mixing of materials is even; Then above-mentioned material is dropped into the three-layer co-extruded A screw rod that goes out the sheet material unit, screw diameter is 60 millimeters, draw ratio 33.
(2) the finished product S4 of embodiment four preparation is dropped into the three-layer co-extruded B screw rod that goes out the sheet material unit, screw diameter is 90 millimeters, draw ratio 33.
(3) 100 parts of nylon 1010s (PA1010) are added in the drier, 80 ℃ of dryings 4 hours, testing moisture content (90 ℃, 3 hours) is less than 0.1%.Then material being dropped into height stirs in the machine, add 20 parts of rutile type titanium white R960,0.2 part of antioxidant four [(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part of UV absorbers UV-531,0.1 part of light stabilizer two (2,2,6,6-tetramethyl-4-piperidyl) sebacate stirred 30 minutes, 600 rev/mins of rotating speeds, mixing of materials is even.Then above-mentioned material is dropped into the three-layer co-extruded C screw rod that goes out the sheet material unit, screw diameter is 60 millimeters, draw ratio 33.
(4) three kinds of materials are melt extruded at screw extruder simultaneously, extruder temperature is controlled at 180-240 ℃, and screw speed is controlled to be 100 rev/mins, and the time of staying of material in screw rod is 2-4 minute.Endosexine, sandwich layer and three kinds of materials of extexine distribute in distributor, and ratio is 20/40/40, then enters T-pattern head, die width 1200mm, obtain finished product S8,60-70 ℃ of three roller cooling water temperature, hauling speed 3-4 m/min through operations such as cooling off, draw, batch.Product thickness 0.33mm, width 1000mm.Testing result sees Table 1.
Comparative Examples one:
Be TPT type backboard (Kunshan platform rainbow company) that product structure is PVF/PET/PVF, thickness 0.33mm is designated as B1, and testing result sees Table 1.
Comparative Examples two:
Be TPE type backboard (Japanese Japan aluminium company) that product structure is PVDF/PET/PE, thickness 0.33mm is designated as B2, and testing result sees Table 1.
Comparative Examples three:
Be FEVE type backboard (coming company in the Suzhou) that product structure is FEVE/PET/FEVE, thickness 0.30mm is designated as B3, and testing result sees Table 1.
The sign of table 1 embodiment and Comparative Examples dorsulum
From the results shown in Table 1, three-layer co-extruded sunny energy backboard of the present invention not only have shrinkage, hot air aging, the insulation property that satisfy the requirement of solar energy backboard, also have the water absorption rate, moisture-vapor transmission, splitting and the wet and heat ageing resistant performance that are better than other backboards, can be for the preparation of solar module.
Characterizing method in the various embodiments described above and the Comparative Examples adopts following standard:
The standard method of test of melt flow rate (MFR) ASTM D1238 thermoplastics melt flow rate (MFR);
The standard test method of hot strength ASTM D638 plastic tensile performance;
The standard test method of elongation at break ASTM D638 plastic tensile performance;
Bending strength ASTM D790 does not strengthen testing with the reinforced plastics bending property;
Simply supported beam notch impact strength ASTM D6110 plastics notched specimen impulse withstand test method;
The method of testing of the impact resistance of cantilever beam notch impact strength ASTM D256 plastics and electrical insulating material;
The shrinkage GB/T 13541 electric plastic film test methods of using
Saturated water absorption GB/T 1034 plastic ink absorption test methods
The mensuration of moisture-vapor transmission GB/T 21529 plastic films and thin slice moisture-vapor transmission
Thermo-oxidative ageing GB/T7141 plastic hot aging testing method
Hydrothermal aging GB/T 2423.40 electric and electronic product environmental test second portions: test method test Cx: the unsaturation high steam is constant damp and hot
Specific insulation GB/T 1410 solid insulating material specific insulations and surface resistivity test method.
Claims (10)
1. a solar energy backboard comprises endosexine, sandwich layer and extexine from inside to outside, it is characterized in that, the mass ratio of described endosexine, sandwich layer and extexine is 10～20: 20～40: 40～60;
Wherein, described endosexine is made by polyamide, filler and additive; Described additive is selected from one or more in antioxidant, ultraviolet absorber and the light stabilizer;
Described extexine is made by polyamide, filler and additive; Described additive is selected from one or more in antioxidant, ultraviolet absorber and the light stabilizer;
Described sandwich layer is made by the modified polypropylene resin composition;
Described modified polypropylene resin composition in mass parts, comprises following component:
100 parts of acrylic resins
5～50 parts of grafted polyethylenes
0～100 part of filler
0～2.5 part of additive
Described additive is selected from one or more in antioxidant, ultraviolet absorber and the light stabilizer;
Described acrylic resin is HOPP resin, COPP resin or both mixtures, and the DSC fusing point of acrylic resin is 160 ~ 168 ℃, and melt flow rate (MFR) is 1 ~ 2 g/10min;
Described grafted polyethylene is prepared by graft reaction by following component:
100 parts of polyvinyl resins
0.5～2.0 part of grafting agent
0.03～0.2 part of initator
Described polyvinyl resin is homopolymerisation polyethylene resin, polyethylene copolymer resin or both mixtures, and the DSC fusing point of polyvinyl resin is 120～135 ℃, and melt flow rate (MFR) is 1～2 g/10min.
2. solar energy backboard according to claim 1, it is characterized in that: described grafting agent is acrylic acid, acrylate, maleic acid, maleic anhydride or methine succinic acid.
3. solar energy backboard according to claim 1, it is characterized in that: described initator is di-tert-butyl peroxide or cumyl peroxide.
4. solar energy backboard according to claim 1, it is characterized in that: described filler is glass fibre, carbon fiber, talcum powder, mica, wollastonite or titanium dioxide.
5. the preparation method of a solar energy backboard as claimed in claim 1 is characterized in that, comprises the steps:
(1) by proportioning claimed in claim 1 polyvinyl resin, grafting agent and initator are mixed, melt extrude processing through screw rod, prepare grafted polyethylene;
(2) join acrylic resin, filler and additive in the above-mentioned grafted polyethylene by proportioning and mix, through the screw rod melt-processed, can obtain described modified polypropylene resin composition;
The material that (3) will prepare endosexine, sandwich layer and extexine by proportioning joins respectively in three-layer co-extruded A screw rod, B screw rod and the C screw rod that goes out the sheet material unit, melt extrude at screw extruder simultaneously, through curtain coating, cooling, draw, batch and namely obtain described solar energy backboard.
6. a modified polypropylene resin composition is characterized in that, in mass parts, comprises following component:
100 parts of acrylic resins
5～50 parts of grafted polyethylenes
0～100 part of filler
0～2.5 part of additive
Described acrylic resin is HOPP resin, COPP resin or both mixtures, and the DSC fusing point of acrylic resin is 160～168 ℃, and melt flow rate (MFR) is 1～2 g/10min;
Described grafted polyethylene is prepared by graft reaction by following component:
100 parts of polyvinyl resins
0.5～2.0 part of grafting agent
0.03～0.2 part of initator
Described polyvinyl resin is homopolymerisation polyethylene resin, polyethylene copolymer resin or both mixtures, and the DSC fusing point of polyvinyl resin is 120～135 ℃, and melt flow rate (MFR) is 1～2 g/10min.
7. resin combination according to claim 6, it is characterized in that: described grafting agent is acrylic acid, acrylate, maleic acid, maleic anhydride or methine succinic acid.
8. resin combination according to claim 6, it is characterized in that: described initator is di-tert-butyl peroxide or cumyl peroxide.
9. resin combination according to claim 6, it is characterized in that: described filler is glass fibre, carbon fiber, talcum powder, mica, wollastonite or titanium dioxide.
10. the preparation method of a resin combination as claimed in claim 6 is characterized in that, comprises the steps:
(1) by proportioning claimed in claim 6 polyvinyl resin, grafting agent and initator are mixed, melt extrude processing through screw rod, prepare grafted polyethylene;
(2) join remaining component in the above-mentioned grafted polyethylene by proportioning and mix, through the screw rod melt-processed, can obtain described modified polypropylene resin composition.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453306A (en) * | 2003-05-13 | 2003-11-05 | 北京度辰新材料股份有限公司 | High-intercluding transparent polypropylene resin composition, sheet made of the composition and its making process |
| CN1580165A (en) * | 2003-07-30 | 2005-02-16 | 北京度辰新材料股份有限公司 | High temperature resistance anticorrosive polyolefin composition and its use |
| CN101486817A (en) * | 2009-02-20 | 2009-07-22 | 华南理工大学 | High melt strength polypropylene material and preparation |
| CN101669214A (en) * | 2007-05-10 | 2010-03-10 | 依索沃尔塔股份公司 | Use of a polymer composite for the production of photovoltaic modules |
| CN102343699A (en) * | 2010-07-30 | 2012-02-08 | 埃姆斯·帕特恩特股份有限公司 | Multilayer backsheet for photovoltaic modules, and its production and use in the production of photovoltaic modules |
| CN102382595A (en) * | 2010-08-31 | 2012-03-21 | 杜邦公司 | Modified montmorillonite and binder composite containing modified montmorillonite |
| CN102569452A (en) * | 2010-10-20 | 2012-07-11 | 苏州尚善新材料科技有限公司 | Polymer back panel of solar battery assembly and manufacture method of polymer back panel |
-
2012
- 2012-12-28 CN CN201210582655.5A patent/CN103066141B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453306A (en) * | 2003-05-13 | 2003-11-05 | 北京度辰新材料股份有限公司 | High-intercluding transparent polypropylene resin composition, sheet made of the composition and its making process |
| CN1580165A (en) * | 2003-07-30 | 2005-02-16 | 北京度辰新材料股份有限公司 | High temperature resistance anticorrosive polyolefin composition and its use |
| CN101669214A (en) * | 2007-05-10 | 2010-03-10 | 依索沃尔塔股份公司 | Use of a polymer composite for the production of photovoltaic modules |
| CN101486817A (en) * | 2009-02-20 | 2009-07-22 | 华南理工大学 | High melt strength polypropylene material and preparation |
| CN102343699A (en) * | 2010-07-30 | 2012-02-08 | 埃姆斯·帕特恩特股份有限公司 | Multilayer backsheet for photovoltaic modules, and its production and use in the production of photovoltaic modules |
| CN102382595A (en) * | 2010-08-31 | 2012-03-21 | 杜邦公司 | Modified montmorillonite and binder composite containing modified montmorillonite |
| CN102569452A (en) * | 2010-10-20 | 2012-07-11 | 苏州尚善新材料科技有限公司 | Polymer back panel of solar battery assembly and manufacture method of polymer back panel |
Cited By (22)
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|---|---|---|---|---|
| CN105934831B (en) * | 2014-01-08 | 2018-02-06 | 帝斯曼尚善太阳能科技（苏州）有限公司 | The solar cell backboard and its manufacture method of wet-heat resisting |
| CN103715288A (en) * | 2014-01-08 | 2014-04-09 | 苏州尚善新材料科技有限公司 | Humidity-resistant and heat-resistant solar cell panel and manufacturing method thereof |
| CN103715287A (en) * | 2014-01-08 | 2014-04-09 | 苏州尚善新材料科技有限公司 | Humidity-resistant and heat-resistant solar cell panel and manufacturing method thereof |
| CN105934831A (en) * | 2014-01-08 | 2016-09-07 | 苏州尚善新材料科技有限公司 | Humidity-resistant and heat-resistant solar cell backsheet and manufacturing method therefor |
| CN108198884A (en) * | 2014-01-08 | 2018-06-22 | 帝斯曼尚善太阳能科技（苏州）有限公司 | The solar cell backboard and its manufacturing method of wet-heat resisting |
| CN103770420A (en) * | 2014-01-10 | 2014-05-07 | 海南赛诺实业有限公司 | Frozen packaging film and manufacturing method thereof |
| CN103770420B (en) * | 2014-01-10 | 2016-03-16 | 海南聚能创新服务有限公司 | A kind of frozen-pack film and manufacture method thereof |
| CN105017652A (en) * | 2015-08-14 | 2015-11-04 | 明冠新材料股份有限公司 | Polyolefin alloy material and photovoltaic backboard and photovoltaic module with same |
| CN105489686A (en) * | 2015-12-02 | 2016-04-13 | 中天光伏材料有限公司 | Photovoltaic back plate with low water-vapor transmittance rate and compound technology |
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| US10622501B2 (en) * | 2016-04-18 | 2020-04-14 | Cybrid Technologies Inc. | Co-extruded one-time-formed solar cell module backboard in three-layer structure |
| WO2017181655A1 (en) * | 2016-04-18 | 2017-10-26 | 苏州赛伍应用技术有限公司 | Co-extruded one-time formed backplate having three-layer structure for solar cell module |
| JP2018518035A (en) * | 2016-04-18 | 2018-07-05 | 蘇州賽伍応用技術有限公司Ｃｙｂｒｉｄ ｔｅｃｈｎｏｌｏｇｉｅｓ ｉｎｃ． | Solar cell module backsheet formed once by coextrusion having a three-layer structure |
| EP3252832A4 (en) * | 2016-04-18 | 2018-08-29 | Cybrid Technologies Inc. | Co-extruded one-time formed backplate having three-layer structure for solar cell module |
| US20190181284A1 (en) * | 2016-04-18 | 2019-06-13 | Cybrid Technologies Inc. | Co-extruded one-time-formed solar cell module backboard in three-layer structure |
| CN106750773A (en) * | 2016-12-06 | 2017-05-31 | 宁波芸生纺织品科技有限公司 | A kind of biological packing material and preparation method thereof |
| CN108276665A (en) * | 2018-01-09 | 2018-07-13 | 浙江中聚材料有限公司 | A kind of coextrusion type solar energy backboard and preparation method thereof |
| CN109206748A (en) * | 2018-08-29 | 2019-01-15 | 天津大学 | Polypropylene-base composite insulating material and preparation method |
| CN109206748B (en) * | 2018-08-29 | 2021-06-08 | 天津大学 | Polypropylene-based composite insulating material and preparation method thereof |
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