CN104788965A - High-tear-resistance and corrosion-resistance silicone rubber as well as preparation method and application thereof - Google Patents
High-tear-resistance and corrosion-resistance silicone rubber as well as preparation method and application thereof Download PDFInfo
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- CN104788965A CN104788965A CN201510156856.2A CN201510156856A CN104788965A CN 104788965 A CN104788965 A CN 104788965A CN 201510156856 A CN201510156856 A CN 201510156856A CN 104788965 A CN104788965 A CN 104788965A
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Abstract
The invention discloses high-tear-resistance and corrosion-resistance silicone rubber as well as a preparation method and an application thereof. According to the high-tear-resistance and corrosion-resistance silicone rubber, methyl vinyl crude rubber with the mole content of vinyl being 0.05%-1.0% is taken as main crude rubber, a small amount of methyl vinyl crude rubber with the mole content of vinyl being 1.0%-9.5% and a small amount of silicone oil are taken as auxiliary materials, fumed silica and an appropriate quantity of structuration control agents are added, meanwhile, a heat-resisting auxiliary, a fluorine-contained elastomer, a release agent and other functional auxiliaries are introduced, the materials are mixed, and the silicone rubber is prepared. The tear resistance of the high-tear-resistance and corrosion-resistance silicone rubber is remarkably improved, the high-tear-resistance and corrosion-resistance silicone rubber has both excellent heat resistance and acid resistance, is used on a laminating machine for photovoltaic solar cell assemblies and has a good application prospect, and the service life is remarkably prolonged.
Description
Technical field
The present invention relates to silicon rubber production field, be specifically related to anti-tear corrosion-resistant silicon rubber of a kind of height for solar energy layer press and preparation method thereof.
Background technology
In today that environment and resources problem is day by day serious, because sun power is as renewable energy source, have aboundresources, with low cost, to environment without advantages such as any pollutions, Solar use has become the theme of current energy development.Meanwhile, as the parts in solar photovoltaic generation system, this is developed by leaps and bounds in China solar cell for several years.When producing solar photovoltaic battery component, needing laminating machine under certain high temperature and vacuum tightness, adopting vinyl acetate (EVA) as cementing medium, binary battery and backboard are pressed into battery component.The silica-gel plate that laminating machine uses is key part, serves the effect of sealing lamination.Owing to releasing a large amount of sour gas when EVA heat melts bonding, need carry out vacuumizing and exitting during the work of laminating machine rubber plate, and sheet material needs repeatedly to carry out repeatedly harmomegathus and to circumnutate process, therefore there is very high requirement to the thermotolerance of rubber plate, the performance such as acid resistance and anti tear.
The rubber plate that current solar photovoltaic battery component laminator uses is generally silicon rubber or ethylene-propylene rubber(EPR), because general silicon rubber or ethylene-propylene rubber(EPR) are restricted in the performances such as thermotolerance, acid resistance and tear strength, work-ing life is lower, governs the development of solar photovoltaic industry.
Summary of the invention
The object of the invention is to solve the deficiency of heat-resisting, acidproof, the tear resistance aspect of current silicon rubber, provide a kind of tear strength significantly to increase, the anti-tear corrosion-resistant silicon rubber of height that heat-resisting and acid resistance all obviously strengthens.
Another object of the present invention is the preparation method providing above-mentioned silicon rubber.
A further object of the invention is the application providing 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, is made up of the following component according to mass fraction meter:
Vinyl molar content is the Methyl-ethylenvinyl gum 85 ~ 95 of 0.05 ~ 0.1%, vinyl molar content is the Methyl-ethylenvinyl gum 5 ~ 15 of 1 ~ 5%, vinyl molar content is the vinyl silicone oil 1 ~ 2 of 9.5%, thermal silica 30 ~ 50, hydroxy silicon oil 2 ~ 8, demolding aids 0.1 ~ 1, heat resistance accessory 1 ~ 10, fluoroelastomer 1 ~ 15; Wherein, described heat resistance accessory is made up of cerium oxide, titanium dioxide and Z 250, and cerium oxide accounts for 50 ~ 80wt%, and titanium dioxide and Z 250 account for 20 ~ 50wt%.
As a kind of preferred version, the BET specific surface area of described thermal silica is 300; The viscosity of described hydroxy silicon oil is 30 ~ 50mpa/s, and hydroxyl molar content is 5 ~ 10%; Described demolding aids is Zinic stearas; The molecular weight of described fluoroelastomer is 30 ~ 1,400,000.
The preparation method of the anti-tear corrosion-resistant silicon rubber of height of the present invention comprises the steps: the Methyl-ethylenvinyl gum of different contents of ethylene, vinyl silicone oil, thermal silica, hydroxy silicon oil to be put into together with demolding aids the mixing of Banbury mixer low temperature, vacuumize and be warming up to 170 DEG C of process 3h, after cooling down, add heat resistance accessory and fluoroelastomer again in Banbury mixer, through low temperature mixing, obtain high anti-tear corrosion-resistant silicon rubber.
The 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 following beneficial effect:
(1) the present invention is by using the Methyl-ethylenvinyl gum of different contents of ethylene, can form Concentrative crosslinking structure, significantly improve the tearing toughness of silicon rubber in sulfidation;
(2) the present invention is by adding the compound heat-resistant agent that main component is cerium oxide, and can improve the resistance toheat of silicon rubber, use temperature can reach 280 DEG C;
(3) the present invention is by adding fluoroelastomer, significantly can promote the erosion resistance of silicon rubber.
Embodiment
Explain the present invention further below in conjunction with specific embodiment, but embodiment does not limit in any form to the present invention.
Embodiment 1
The Methyl-ethylenvinyl gum of vinyl molar content 0.05% 85 parts, the Methyl-ethylenvinyl gum of vinyl molar content 0.20% 9 parts, the Methyl-ethylenvinyl gum of vinyl molar content 5.0% 6 parts, the vinyl silicone oil of vinyl molar content 9.5% 1 part, the thermal silica of BET specific surface area 300 36 parts, the hydroxy silicon oil of hydroxy radical content 9.0% 4.5 parts, Zinic stearas 0.15 part, heat resistance accessory 5 parts, fluoroelastomer 8 parts.The cerium oxide that consists of of heat resistance accessory accounts for 80wt%, and titanium dioxide accounts for 15wt%, and Z 250 accounts for 5wt%.Fluoroelastomer molecular weight is 800,000.
First by the Methyl-ethylenvinyl gum of above-mentioned different contents of ethylene and silicone oil, thermal silica, hydroxy silicon oil, demolding aids, puts into the first low-temperature mixed of Banbury mixer even, then vacuumizes to be warming up to 170 degree and to process 3 hours, and cooling down obtains base-material.Then heat resistance accessory, fluoroelastomer put into Banbury mixer and base-material continue the even 60min of low-temperature mixed product.
Be added into two two or five vulcanizing agents that 1.0% content is 45%, sulfuration 10 minutes at 170 DEG C, testing product salient features is as follows:
Embodiment 2
The Methyl-ethylenvinyl gum of vinyl molar content 0.09% 94 parts, the Methyl-ethylenvinyl gum of vinyl molar content 1.0% 4 parts, the Methyl-ethylenvinyl gum of vinyl molar content 5.0% 2 parts, the vinyl silicone oil of vinyl molar content 9.5% 2 parts, the thermal silica of BET specific surface area 300 48 parts, the hydroxy silicon oil of hydroxy radical content 9.0% 6.8 parts, Zinic stearas 0.9 part, heat resistance accessory 8 parts, fluoroelastomer 14 parts.The cerium oxide that consists of of heat resistance accessory accounts for 50wt%, and titanium dioxide accounts for 35wt%, and Z 250 accounts for 15wt%.Fluoroelastomer molecular weight is 1,200,000.
First by the Methyl-ethylenvinyl gum of above-mentioned different contents of ethylene and silicone oil, thermal silica, hydroxy silicon oil, demolding aids, puts into the first low-temperature mixed of Banbury mixer even, then vacuumizes to be warming up to 170 degree and to process 3 hours, and cooling down obtains base-material.Then heat resistance accessory, fluoroelastomer put into Banbury mixer and base-material continue low-temperature mixed 60min product.
Be added into two two or five vulcanizing agents that 1.0% content is 45%, sulfuration 10 minutes at 170 DEG C, testing product salient features is as follows:
Embodiment 3
The Methyl-ethylenvinyl gum of vinyl molar content 0.09% 90 parts, the Methyl-ethylenvinyl gum of vinyl molar content 1.0% 6 parts, the Methyl-ethylenvinyl gum of vinyl molar content 5.0% 4 parts, the vinyl silicone oil of vinyl molar content 9.5% 1.5 parts, the thermal silica of BET specific surface area 300 40 parts, the hydroxy silicon oil of hydroxy radical content 9.0% 5.2 parts, Zinic stearas 0.6 part, heat resistance accessory 4 parts, fluoroelastomer 9 parts.The cerium oxide that consists of of heat resistance accessory accounts for 60wt%, and titanium dioxide accounts for 25wt%, and Z 250 accounts for 15wt%.Fluoroelastomer molecular weight is 400,000.
First by the Methyl-ethylenvinyl gum of above-mentioned different contents of ethylene and silicone oil, thermal silica, hydroxy silicon oil, demolding aids, puts into the first low-temperature mixed of Banbury mixer even, then vacuumizes to be warming up to 170 degree and to process 3 hours, and cooling down obtains base-material.Then heat resistance accessory, fluoroelastomer put into Banbury mixer and base-material continue low-temperature mixed 60min product.
Be added into two two or five vulcanizing agents that 1.0% content is 45%, sulfuration 10 minutes at 170 DEG C, testing product salient features is as follows.
Claims (7)
1. a high anti-tear corrosion-resistant silicon rubber, is characterized in that being made up of the following component according to mass fraction meter:
Vinyl molar content is the Methyl-ethylenvinyl gum 85 ~ 95 of 0.05 ~ 0.1%, vinyl molar content is the Methyl-ethylenvinyl gum 5 ~ 15 of 1 ~ 5%, vinyl molar content is the vinyl silicone oil 1 ~ 2 of 9.5%, thermal silica 30 ~ 50, hydroxy silicon oil 2 ~ 8, demolding aids 0.1 ~ 1, heat resistance accessory 1 ~ 10, fluoroelastomer 1 ~ 15; Wherein, described heat resistance accessory is made up of cerium oxide, titanium dioxide and Z 250, and cerium oxide accounts for 50 ~ 80wt%, and titanium dioxide and Z 250 account for 20 ~ 50wt%.
2. high anti-tear corrosion-resistant silicon rubber according to claim 1, is characterized in that the BET specific surface area of described thermal silica is 300.
3. high anti-tear corrosion-resistant silicon rubber according to claim 1, it is characterized in that the viscosity of described hydroxy silicon oil is 30 ~ 50mpa/s, hydroxyl molar content is 5 ~ 10%.
4. high anti-tear corrosion-resistant silicon rubber according to claim 1, is characterized in that described demolding aids is Zinic stearas.
5. high anti-tear corrosion-resistant silicon rubber according to claim 1, is characterized in that the molecular weight of described fluoroelastomer is 30 ~ 1,400,000.
6. the preparation method of high anti-tear corrosion-resistant silicon rubber described in any claim in claim 1 ~ 5, it is characterized in that comprising the steps: the Methyl-ethylenvinyl gum of different contents of ethylene, vinyl silicone oil, thermal silica, hydroxy silicon oil to be put into together with demolding aids the mixing of Banbury mixer low temperature, vacuumize and be warming up to 170 DEG C of process 3h, after cooling down, add heat resistance accessory and fluoroelastomer again in Banbury mixer, through low temperature mixing, obtain high anti-tear corrosion-resistant silicon rubber.
7. the application of high anti-tear corrosion-resistant silicon rubber in solar photovoltaic battery component laminator described in any claim in claim 1 ~ 5.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105255198A (en) * | 2015-11-05 | 2016-01-20 | 浙江新安化工集团股份有限公司 | High-strength addition-type mould 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 |
| CN109701087A (en) * | 2018-12-20 | 2019-05-03 | 新安天玉有机硅有限公司 | A kind of silicon rubber rubber master batch, silicon rubber and preparation method thereof |
| CN112480683A (en) * | 2020-11-17 | 2021-03-12 | 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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| 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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| 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 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255198A (en) * | 2015-11-05 | 2016-01-20 | 浙江新安化工集团股份有限公司 | High-strength addition-type mould rubber composition and preparation method thereof |
| 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 |
| CN109701087A (en) * | 2018-12-20 | 2019-05-03 | 新安天玉有机硅有限公司 | A kind of silicon rubber rubber master batch, silicon rubber and preparation method thereof |
| 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 |
| CN112480683A (en) * | 2020-11-17 | 2021-03-12 | 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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