CN104788965B - A kind of high anti-tear corrosion-resistant silicon rubber and its preparation method and application - Google Patents
A kind of high anti-tear corrosion-resistant silicon rubber and its preparation method and application Download PDFInfo
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- CN104788965B CN104788965B CN201510156856.2A CN201510156856A CN104788965B CN 104788965 B CN104788965 B CN 104788965B CN 201510156856 A CN201510156856 A CN 201510156856A CN 104788965 B CN104788965 B CN 104788965B
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Abstract
The invention discloses a kind of high anti-tear corrosion-resistant silicon rubber and its preparation method and application.The anti-tear corrosion-resistant silicon rubber of height of the present invention is with Methyl-ethylenvinyl gum（Vinyl molar content 0.05% 1.0%）For main body rubber, and it be to aid in introduce a small amount of (vinyl molar content for 1.0% 9.5%) Methyl-ethylenvinyl gum and silicone oil, it is packed into fume colloidal silica and appropriate antistructurizing agent, is formed while introducing the mixing of other functional aids such as heat resistance accessory, fluoroelastomer and releasing agent.The tear resistance of the anti-tear corrosion-resistant silicon rubber of height of the present invention is significantly improved, and has excellent heat resistance and acid resistance concurrently, for solar photovoltaic battery component laminator, service life is dramatically increased, and is had a good application prospect.
Description
Technical field
The present invention relates to silicon rubber production field, and in particular to a kind of high anti-tear corrosion-resistant silicon for solar energy layer press
Rubber and preparation method thereof.
Background technology
In environment and resource problem increasingly serious today, because solar energy is as regenerative resource, have resource rich
Richness, with low cost, the advantages of to environment without any pollution, Solar use turns into the theme of current energy development.It is same with this
When, as the part in solar photovoltaic generation system, this is developed by leaps and bounds solar cell for several years in China.In production
, it is necessary to which laminating machine is under certain high temperature and vacuum, using vinyl acetate during solar photovoltaic battery component（EVA）As
Cementing medium, battery component is pressed into by binary battery and backboard.The silica gel plate that laminating machine is used is critical component, serves sealing
The effect of lamination.Due to releasing substantial amounts of sour gas when EVA heats, which are melted, to be bonded, laminating machine rubber slab need to be taken out when working
Vacuum and deflation, and sheet material needs to be repeated a number of times harmomegathus and circumnutate process, thus the heat resistance to rubber slab, acid resistance and
The performances such as tear-proof have very high requirement.
The rubber slab used on current solar photovoltaic battery component laminator is usually silicon rubber or EP rubbers, due to
General silicon rubber or EP rubbers is restricted in the performances such as heat resistance, acid resistance and tear resistance, and service life is relatively low,
Govern the development of solar photovoltaic industry.
The content of the invention
There is provided one for deficiency in terms of it is an object of the invention to solve the heat-resisting, acidproof of current silicon rubber, tear resistance
Plant the high anti-tear corrosion-resistant silicon rubber that tear resistance significantly increases, heat-resisting and acid resistance is all remarkably reinforced.
Another object of the present invention is the preparation method for providing above-mentioned silicon rubber.
It is also an object of the present invention to provide the application of above-mentioned silicon rubber.
Above-mentioned purpose of the present invention is achieved by the following technical programs：
A kind of high anti-tear corrosion-resistant silicon rubber, by being constituted as follows according to the component of mass fraction meter：
Vinyl molar content is 0.05 ~ 0.1% Methyl-ethylenvinyl gum 85 ~ 95, and vinyl molar content is 1 ~ 5%
Methyl-ethylenvinyl gum 5 ~ 15, vinyl molar content is 9.5% vinyl silicone oil 1 ~ 2, fume colloidal silica 30 ~ 50, hydroxyl
Silicone oil 2 ~ 8, demolding aids 0.1 ~ 1, heat resistance accessory 1 ~ 10, fluoroelastomer 1 ~ 15；Wherein, the heat resistance accessory by cerium oxide,
Titanium dioxide and ferroso-ferric oxide composition, cerium oxide account for 50 ~ 80wt%, and titanium dioxide and ferroso-ferric oxide account for 20 ~ 50wt%.
As a kind of preferred scheme, the BET specific surface area of the fume colloidal silica is 300；The hydroxy silicon oil it is viscous
Spend for 30 ~ 50mpa/s, hydroxyl molar content is 5 ~ 10%；The demolding aids are zinc stearate；Point of the fluoroelastomer
Son amount is 30 ~ 1,400,000.
The preparation method of the anti-tear corrosion-resistant silicon rubber of height of the present invention comprises the following steps：By different contents of ethylene
Methyl-ethylenvinyl gum, vinyl silicone oil, fume colloidal silica, hydroxy silicon oil and demolding aids are put into low temperature in banbury together
Mix, vacuumize and be warming up to after 170 DEG C of processing 3h, cooling down, add heat resistance accessory and fluoroelastomer into banbury,
Mixed through low temperature, obtain high anti-tear corrosion-resistant silicon rubber.
Application of the anti-tear corrosion-resistant silicon rubber of height of the present invention in solar energy layer press.
Compared with prior art, the present invention has the advantages that：
（1）By the present invention in that with the Methyl-ethylenvinyl gum of different contents of ethylene, collection can be formed in sulfidation
Middle cross-linked structure, significantly improves the tearing toughness of silicon rubber；
（2）The present invention can improve the heat-resisting of silicon rubber by adding the compound heat-resistant agent that main component is cerium oxide
Performance, temperature in use is up to 280 DEG C；
（3）The present invention can be obviously improved the corrosion resistance of silicon rubber by adding fluoroelastomer.
Embodiment
The present invention is explained further below in conjunction with specific embodiment, but embodiment does not do any type of to the present invention
Limit.
Embodiment 1
85 parts of the Methyl-ethylenvinyl gum of vinyl molar content 0.05%, the ethylene methacrylic of vinyl molar content 0.20%
9 parts of base rubber, 6 parts of the Methyl-ethylenvinyl gum of vinyl molar content 5.0%, the vinyl silicon of vinyl molar content 9.5%
1 part of oil, 36 parts of the fume colloidal silica of BET specific surface area 300,4.5 parts of the hydroxy silicon oil of hydroxy radical content 9.0%, zinc stearate
0.15 part, 5 parts of heat resistance accessory, 8 parts of fluoroelastomer.The composition of heat resistance accessory is that cerium oxide accounts for 80wt%, and titanium dioxide is accounted for
15wt%, ferroso-ferric oxide accounts for 5wt%.Fluoroelastomer molecular weight is 800,000.
First by the Methyl-ethylenvinyl gum and silicone oil of above-mentioned different contents of ethylene, fume colloidal silica, hydroxy silicon oil,
Demolding aids, it is uniform to be put into banbury first low-temperature mixed, then vacuumizes and is warming up to 170 degree and handles 3 hours, cooling down is obtained
Base-material.Then heat resistance accessory, fluoroelastomer is put into banbury continues the uniform 60min of low-temperature mixed with base-material must produce
Product.
It is 45% double two or five vulcanizing agents to be added into 1.0% content, vulcanizes 10 minutes at 170 DEG C, detects the main property of product
Can be as follows：
Embodiment 2
94 parts of the Methyl-ethylenvinyl gum of vinyl molar content 0.09%, the ethylene methacrylic of vinyl molar content 1.0%
4 parts of base rubber, 2 parts of the Methyl-ethylenvinyl gum of vinyl molar content 5.0%, the vinyl silicon of vinyl molar content 9.5%
2 parts of oil, 48 parts of the fume colloidal silica of BET specific surface area 300,6.8 parts of the hydroxy silicon oil of hydroxy radical content 9.0%, zinc stearate
0.9 part, 8 parts of heat resistance accessory, 14 parts of fluoroelastomer.The composition of heat resistance accessory is that cerium oxide accounts for 50wt%, and titanium dioxide is accounted for
35wt%, ferroso-ferric oxide accounts for 15wt%.Fluoroelastomer molecular weight is 1,200,000.
First by the Methyl-ethylenvinyl gum and silicone oil of above-mentioned different contents of ethylene, fume colloidal silica, hydroxy silicon oil,
Demolding aids, it is uniform to be put into banbury first low-temperature mixed, then vacuumizes and is warming up to 170 degree and handles 3 hours, cooling down is obtained
Base-material.Then heat resistance accessory, fluoroelastomer is put into banbury continues low-temperature mixed 60min with base-material can obtain product.
It is 45% double two or five vulcanizing agents to be added into 1.0% content, vulcanizes 10 minutes at 170 DEG C, detects the main property of product
Can be as follows：
Embodiment 3
90 parts of the Methyl-ethylenvinyl gum of vinyl molar content 0.09%, the ethylene methacrylic of vinyl molar content 1.0%
6 parts of base rubber, 4 parts of the Methyl-ethylenvinyl gum of vinyl molar content 5.0%, the vinyl silicon of vinyl molar content 9.5%
1.5 parts of oil, 40 parts of the fume colloidal silica of BET specific surface area 300,5.2 parts of the hydroxy silicon oil of hydroxy radical content 9.0%, zinc stearate
0.6 part, 4 parts of heat resistance accessory, 9 parts of fluoroelastomer.The composition of heat resistance accessory is that cerium oxide accounts for 60wt%, and titanium dioxide is accounted for
25wt%, ferroso-ferric oxide accounts for 15wt%.Fluoroelastomer molecular weight is 400,000.
First by the Methyl-ethylenvinyl gum and silicone oil of above-mentioned different contents of ethylene, fume colloidal silica, hydroxy silicon oil,
Demolding aids, it is uniform to be put into banbury first low-temperature mixed, then vacuumizes and is warming up to 170 degree and handles 3 hours, cooling down is obtained
Base-material.Then heat resistance accessory, fluoroelastomer is put into banbury continues low-temperature mixed 60min with base-material can obtain product.
It is 45% double two or five vulcanizing agents to be added into 1.0% content, vulcanizes 10 minutes at 170 DEG C, detects the main property of product
Can be as follows.
Claims (3)
1. a kind of high anti-tear corrosion-resistant silicon rubber, it is characterised in that by being constituted as follows according to the component of mass fraction meter：
Vinyl molar content is 0.05 ~ 0.1% Methyl-ethylenvinyl gum 85 ~ 95, and vinyl molar content is 1 ~ 5% methyl
Vinyl rubber 5 ~ 15, vinyl molar content is 9.5% vinyl silicone oil 1 ~ 2, fume colloidal silica 30 ~ 50, hydroxy silicon oil
2 ~ 8, demolding aids 0.1 ~ 1, heat resistance accessory 1 ~ 10, fluoroelastomer 1 ~ 15；Wherein, the heat resistance accessory is by cerium oxide, dioxy
Change titanium and ferroso-ferric oxide composition, cerium oxide accounts for 50 ~ 80wt%, and titanium dioxide and ferroso-ferric oxide account for 20 ~ 50wt%；Wherein,
The BET specific surface area of the fume colloidal silica is 300；
The viscosity of the hydroxy silicon oil is 30 ~ 50mPa.s, and hydroxyl molar content is 5 ~ 10%；
The demolding aids are zinc stearate；
The molecular weight of the fluoroelastomer is 30 ~ 1,400,000.
2. the preparation method of high anti-tear corrosion-resistant silicon rubber described in claim 1, it is characterised in that comprise the following steps：By difference
Methyl-ethylenvinyl gum, vinyl silicone oil, fume colloidal silica, hydroxy silicon oil and the demolding aids of contents of ethylene are put into together
Low temperature is mixed in banbury, is vacuumized and is warming up to after 170 DEG C of processing 3h, cooling down, adds heat resistance accessory and fluorine-containing elasticity
Body is mixed into banbury through low temperature, obtains high anti-tear corrosion-resistant silicon rubber.
3. application of the high anti-tear corrosion-resistant silicon rubber in solar photovoltaic battery component laminator described in claim 1.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105255198B (en) * | 2015-11-05 | 2018-10-19 | 浙江新安化工集团股份有限公司 | High intensity Addition-type mold rubber composition and preparation method thereof |
| CN105348816A (en) * | 2015-12-15 | 2016-02-24 | 江苏天辰新材料股份有限公司 | High-strength and high-tear-resistance silicon rubber as well as preparation method and application method thereof |
| CN107760040A (en) * | 2017-11-27 | 2018-03-06 | 浙江新安化工集团股份有限公司 | A kind of silicon rubber and its preparation method and application |
| CN109701087B (en) * | 2018-12-20 | 2021-07-23 | 新安天玉有机硅有限公司 | Silicone rubber master batch, silicone rubber and preparation method thereof |
| CN112480683B (en) * | 2020-11-17 | 2022-08-05 | 常州市沃科科技有限公司 | Halogen-free flame-retardant heat-resistant silicone rubber composite material and preparation method thereof |
| CN114133742A (en) * | 2021-12-10 | 2022-03-04 | 合盛硅业股份有限公司 | Silicone rubber with high tear strength and preparation method thereof |
| CN115926227A (en) * | 2022-08-27 | 2023-04-07 | 南通顺驰橡胶制品有限公司 | Preparation process of tear-resistant rubber tire |
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| CN101157801A (en) * | 2007-09-19 | 2008-04-09 | 上海回天化工新材料有限公司 | Highly ripping-resistant high temperature sulfidation silicon rubber and method for making same |
| CN101654557A (en) * | 2008-09-19 | 2010-02-24 | 镇江东辰新材料有限公司 | Oil proof methylvinylsilicone rubber and method for preparing same |
| CN103436037A (en) * | 2013-09-17 | 2013-12-11 | 威海新元化工有限公司 | Preparation method of fluorosilicone rubber/silicon rubber blend rubber for automotive high-voltage ignition wire |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101157801A (en) * | 2007-09-19 | 2008-04-09 | 上海回天化工新材料有限公司 | Highly ripping-resistant high temperature sulfidation silicon rubber and method for making same |
| CN101654557A (en) * | 2008-09-19 | 2010-02-24 | 镇江东辰新材料有限公司 | Oil proof methylvinylsilicone rubber and method for preparing same |
| CN103436037A (en) * | 2013-09-17 | 2013-12-11 | 威海新元化工有限公司 | Preparation method of fluorosilicone rubber/silicon rubber blend rubber for automotive high-voltage ignition wire |
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