Photovoltaic module seal gum and preparation method thereof
Technical field
The invention belongs to seal gum technical field, especially relate to photovoltaic module seal gum and preparation method thereof, sealing glue is mainly used in the sealing of solar module.
Background technology
Along with improving constantly of environmental protection solar photoelectric transformation efficiency, the demand of market to solar photovoltaic assembly is increasing, assembling between solar photovoltaic assembly is integrated just seems of crucial importance, common double component condensed type seal gum of the prior art, in can not being applicable to have the assembling of the solar photovoltaic assembly of special strict demand integrated to bonding, ageing-resistant etc.The existing pair of component condensation seal gum larger defect of existence in ageing-resistant, UV resistant, bonding and flame retardant properties, is not suitable for photovoltaic component seal gum field and requires higher field to bonding.
Use common single-component organic silicon photovoltaic seal gum in the market; The main drawback of this glue is that solidification needs certain hour to reach about 24 hours, and sealing property is not perfect, has certain corrosive nature to metal.
Summary of the invention
In order to solve the problem, an object of the present invention discloses a kind of novel photovoltaic module seal gum, and then the present invention also will disclose the preparation method of sealing glue; They realize by the following technical solutions.
Photovoltaic module seal gum, is characterized in that by weight, and it is made by following starting material: E-51 epoxy resin: 100 parts, 201 thiorubber: 15 ~ 25 parts, mphenylenediamine: 10 ~ 15 parts,
dibutyl phthalate: 10 ~ 20 parts, diethylenetriamine: 1 ~ 3 part, talcum powder: 30 ~ 50 parts, MALEIC ANHYDRIDE: 10 ~ 15 parts, 651 Versamids: 15 ~ 20 parts, stannous octoate: 4 ~ 6 parts, propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether: 20 ~ 30 parts.
Most preferred embodiment of the present invention is: photovoltaic module seal gum, it is characterized in that by weight, and it is made by following starting material: E-51 epoxy resin: 100 parts, 201 thiorubber: 20 parts, mphenylenediamine: 13 parts,
dibutyl phthalate: 15 parts, diethylenetriamine: 2 parts, talcum powder: 40 parts, MALEIC ANHYDRIDE: 13 parts, 651 Versamids: 18 parts, stannous octoate: 5 parts, propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether: 25 parts.
Second preferred implementation of the present invention is: photovoltaic module seal gum, it is characterized in that by weight, and it is made by following starting material: E-51 epoxy resin: 100 parts, 201 thiorubber: 15 parts, mphenylenediamine: 10 parts,
dibutyl phthalate: 10 parts, diethylenetriamine: 1 part, talcum powder: 30 parts, MALEIC ANHYDRIDE: 10 parts, 651 Versamids: 15 parts, stannous octoate: 4 parts, propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether: 20 parts.
3rd preferred implementation of the present invention is: photovoltaic module seal gum, is characterized in that by weight, and it is made by following starting material: E-51 epoxy resin: 100 parts, 201 thiorubber: 25 parts, mphenylenediamine: 15 parts,
dibutyl phthalate: 20 parts, diethylenetriamine: 3 parts, talcum powder: 50 parts, MALEIC ANHYDRIDE: 15 parts, 651 Versamids: 20 parts, stannous octoate: 6 parts, propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether: 30 parts.
The preparation method of photovoltaic module seal gum, is characterized in that it comprises following steps:
The first step: weigh each starting material by weight, and deposit separately, based on the weight of E-51 epoxy resin, other raw material takes after converting;
Second step: by the mphenylenediamine fusing obtained in the first step, adds E-51 epoxy resin and constantly stirring makes it fuse into one, and forms melt;
3rd step: by weigh in the first step obtain 201 thiorubber,
dibutyl phthalate, diethylenetriamine, talcum powder, MALEIC ANHYDRIDE, 651 Versamids, stannous octoate add in the melt in second step successively, continuous stirring makes it mix, insulated and stirred 2 ~ 4 hours after being warming up to 115 ~ 125 DEG C, then add propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether to carry out diluting and stirring, then be evacuated to-0.03 ~-0.07Mpa, after passing into nitrogen to normal pressure after cooling, namely quantitative package obtains photovoltaic module seal gum finished product.
The present invention has the beneficial effects such as making method equipment that is simple, that need is cheap, Production Time is short, current consumption is low.
Photovoltaic module seal gum of the present invention, in use, when the thickness of coating is 6mm, solidifying maximum duration at 80 DEG C is 3.5 hours, and solidifying maximum duration at 130 DEG C is 2 hours; Seal gum use temperature use range-70 ~+80 DEG C of the present invention; It has stable chemical property, water-fast, seawater and oil, and colloid does not corrode aluminum, is especially applicable in the solar components plate of aluminium alloy type.
Seal gum of the present invention has following main beneficial effect: easy to operate, set time is short, has good adhesivity to aluminium, glass, terminal box plastics; There is vibrationproof and fixing effect, the damage of panel and assembly in transportation can be avoided; Extremely low steam and gas-permeable, good seal performance; Weather resistance is good; There is higher ultraviolet resistance, and can use in very wide temperature range; Be suitable for the sealing ply of various thickness; Be not subject to the impact of frame and plate thickness; Non-conductive and permission directly contacts with conductor, keeps long-term behaviour.
Embodiment
embodiment 1
Photovoltaic module seal gum, is characterized in that by weight, and it is made by following starting material: E-51 epoxy resin: 100 parts, 201 thiorubber: 15 ~ 25 parts, mphenylenediamine: 10 ~ 15 parts,
dibutyl phthalate: 10 ~ 20 parts, diethylenetriamine: 1 ~ 3 part, talcum powder: 30 ~ 50 parts, MALEIC ANHYDRIDE: 10 ~ 15 parts, 651 Versamids: 15 ~ 20 parts, stannous octoate: 4 ~ 6 parts, propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether: 20 ~ 30 parts.
embodiment 2
Photovoltaic module seal gum, is characterized in that by weight, and it is made by following starting material: E-51 epoxy resin: 100 parts, 201 thiorubber: 20 parts, mphenylenediamine: 13 parts,
dibutyl phthalate: 15 parts, diethylenetriamine: 2 parts, talcum powder: 40 parts, MALEIC ANHYDRIDE: 13 parts, 651 Versamids: 18 parts, stannous octoate: 5 parts, propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether: 25 parts.
embodiment 3
Photovoltaic module seal gum, is characterized in that by weight, and it is made by following starting material: E-51 epoxy resin: 100 parts, 201 thiorubber: 15 parts, mphenylenediamine: 10 parts,
dibutyl phthalate: 10 parts, diethylenetriamine: 1 part, talcum powder: 30 parts, MALEIC ANHYDRIDE: 10 parts, 651 Versamids: 15 parts, stannous octoate: 4 parts, propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether: 20 parts.
embodiment 4
Photovoltaic module seal gum, is characterized in that by weight, and it is made by following starting material: E-51 epoxy resin: 100 parts, 201 thiorubber: 25 parts, mphenylenediamine: 15 parts,
dibutyl phthalate: 20 parts, diethylenetriamine: 3 parts, talcum powder: 50 parts, MALEIC ANHYDRIDE: 15 parts, 651 Versamids: 20 parts, stannous octoate: 6 parts, propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether: 30 parts.
Photovoltaic module seal gum described in above-mentioned arbitrary embodiment, is characterized in that its preparation method comprises following steps:
The first step: weigh each starting material by weight, and deposit separately, based on the weight of E-51 epoxy resin, other raw material takes after converting;
Second step: by the mphenylenediamine fusing obtained in the first step, adds E-51 epoxy resin and constantly stirring makes it fuse into one, and forms melt;
3rd step: by weigh in the first step obtain 201 thiorubber,
dibutyl phthalate, diethylenetriamine, talcum powder, MALEIC ANHYDRIDE, 651 Versamids, stannous octoate add in the melt in second step successively, continuous stirring makes it mix, insulated and stirred 2 ~ 4 hours after being warming up to 115 ~ 125 DEG C, then add propylene oxide phenyl ether or resorcinol diglycidyl ether or ethylene glycol diglycidylether to carry out diluting and stirring, then be evacuated to-0.03 ~-0.07Mpa, after passing into nitrogen to normal pressure after cooling, namely quantitative package obtains photovoltaic module seal gum finished product.
Various starting material used in the present invention are all commercially available prod, namely market can be purchased by name and arrive.
After testing, photovoltaic module seal gum in all embodiments of the present invention, tensile strength is >=12Mpa, with the bonding strength >=4.5Mpa of base material, the seasoning of 6mm thickness time≤6 hours, 80 DEG C time of drying≤3.5 hours, 130 DEG C time of drying≤2 hours, elongation at break >=350%, 120 DEG C, there is not xanthochromia and cracking in the test of 1600h air aging; 25 DEG C quality guaranteed period >=2 years; Test by GB/T7762-2003 ozone ageing test method, observe having no crackle with 5 times of magnifying glasses; The outdoor use 806 days in applicant location, 450 PV templates, have no crackle.
The present invention has the beneficial effects such as making method equipment that is simple, that need is cheap, Production Time is short, current consumption is low.
Seal gum of the present invention has following main beneficial effect: easy to operate, set time is short, has good adhesivity to aluminium, glass, terminal box plastics; There is vibrationproof and fixing effect, the damage of panel and assembly in transportation can be avoided; Extremely low steam and gas-permeable, good seal performance; Weather resistance is good; There is higher ultraviolet resistance, and can use in very wide temperature range; Be suitable for the sealing ply of various thickness; Be not subject to the impact of frame and plate thickness; Non-conductive and permission directly contacts with conductor, keeps long-term behaviour.
Therefore, seal gum of the present invention can significantly improve the yield rate of photovoltaic module, and is compatible with various Common Component material, as aluminium alloy, glass, glass, backboard and polycarbonate.
The photovoltaic module seal gum of invention, in use, when the thickness of coating is 6mm, solidifying maximum duration at 80 DEG C is 3.5 hours, and solidifying maximum duration at 130 DEG C is 2 hours; Seal gum use temperature use range-70 ~+80 DEG C of the present invention; It has stable chemical property, water-fast, seawater and oil, and colloid does not corrode aluminum, is especially applicable in the solar components plate of aluminium alloy type.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or the conversion of equivalent flow process, or be directly or indirectly used in other relevant technical fields, include in scope of patent protection of the present invention.