CN101824220A - Self-moistening type organic silicon rubber material and preparation method thereof - Google Patents
Self-moistening type organic silicon rubber material and preparation method thereof Download PDFInfo
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- CN101824220A CN101824220A CN 201010153204 CN201010153204A CN101824220A CN 101824220 A CN101824220 A CN 101824220A CN 201010153204 CN201010153204 CN 201010153204 CN 201010153204 A CN201010153204 A CN 201010153204A CN 101824220 A CN101824220 A CN 101824220A
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Abstract
The invention provides a self-moistening type organic silicon rubber material and a preparation method thereof. The self-moistening organic silicone rubber material contains organic silicone rubber, self-moistening type additives, fillers, a curing agent, and optional release agent and pigment. The self-moistening organic silicon rubber material can be used for a variety of glass cleaning appliances, especially for automotive windshield wipers.
Description
Technical field
The present invention relates to a kind of organic silicon rubber material, particularly contain organic silicon rubber material of self-moistening type solid additive and preparation method thereof, belong to chemical technology field.
Background is held up art
Rain brush on the windshield can clean windshield glass, improves the driving sight line under the weather such as rain, snow.Traditional rain brush is made with the natural rubber material, and is poor because of the weathering resistance of natural rubber material, is easy to wear out, thereby causes rain brush just can't dial except that rainwater after using the short period well and clean windshield glass, and also can beat and produce noise.
In order to address the above problem, people once did a lot of the trial.For example, coat various coatings to improve the surface in contact of rubber and glass at rubber surface, thereby enhancing cleaning effect. people also attempt using silicon rubber to replace traditional rubber, because silicon rubber itself has good weathering resistance, can prevent to wear out, but produce very big friction between silicon rubber and the glass, cause the difficulty of using.
Once had paper to introduce a kind of silicon rubber Wiper blade, it is base with silicon rubber, adds fluorochemicals and small glass sphere, to improve the excessive shortcoming of frictional force between silicon rubber and the glass.But the affiliation that adds of glass sphere causes mixing difficulty, and how to combine between glass sphere and the silicon rubber also be one of problem.In addition, whether can be cracked after glass sphere adds and whether can cause the rain brush safety problem all still to be tested.
In addition, through retrieval, we have found that also a Japanese Patent once disclosed a kind of anti-attrition rain brush, and used material comprises methyl vinyl silicone polymer, filler and wear reducing additive such as tetrafluoroethylene etc.Can reduce friction though add a certain amount of tetrafluoroethylene, the plasticity that can make material simultaneously strengthens and causes extruding with the difficulty of molding even can't extrude and molding.
Summary of the invention
For solving an above-mentioned difficult problem, the invention provides a kind of self-moistening type organic silicon rubber material.
The technical scheme that the present invention takes is: a kind of self-moistening type organic silicon rubber material, comprise organo-silicone rubber, self-moistening type additive, filler and vulcanizing agent, and randomly releasing agent and pigment.
Technique scheme also comprises a kind of method for preparing self-moistening type organic silicon rubber material, this method comprises the following steps: organo-silicone rubber, self-moistening type additive and filler are mixed, and adds vulcanizing agent, randomly releasing agent and pigment randomly then in the mixture of gained.
In the technique scheme, described organo-silicone rubber is not particularly limited, and generally comprises dimethylsiloxane polymer, methyl vinyl silicone polymer, vinyl toluene radical siloxane polymkeric substance, methyl trifluoro propyl siloxane polymer etc.These organo-silicone rubbers can use separately, perhaps use with two or more form of mixtures.Preferred end group is methyl, vinyl or its bonded organo-silicone rubber.The content of described organo-silicone rubber in self-moistening type organic silicon rubber material of the present invention can be 10-70%, and preferred 30-60% is to moisten the gross weight of organic silicon rubber material certainly.
In the technique scheme, thereby described self-moistening type additive is to give organo-silicone rubber self-lubricity energy to reduce the friction between silicon rubber and the glass and/or make organo-silicone rubber and glass contact can not produce those additives of beating with the sound when sliding.Be applicable to that self-moistening type additive of the present invention can be selected from graphite, fluorochemicals, boron nitride, dimethyl silicone oil, Methyl Hydrogen Polysiloxane Fluid, ethyl silicon oil, vinyl silicone oil, stearate and composition thereof.Preferred fluorinated graphite, Teflon powder, the nitrogenous silicone oil of methyl, vinyl silicone oil, Zinic stearas, barium stearate and composition thereof.The self-moistening type content of additive is not particularly limited, if can give the required self-lubricity of material can, usually, the self-moistening type content of additive by weight can be for moistening the 2-50% of organic silicon rubber material gross weight certainly, preferred 3-40%.
In the technique scheme, the known filler that can improve the organo-silicone rubber mechanical property all is applicable to the present invention, preferred synthetic fine silica powder, natural quartz powder, diatomite, kaolin etc.The content of filler by weight can be for moistening the 20-70% of organic silicon rubber material gross weight, preferred 30-60% certainly.
In the technique scheme, known vulcanizing agent all can be used for the present invention, comprises various organo-peroxides, preferred benzoyl peroxide.Usually, need to add the vulcanizing agent that accounts for self-moistening type organic silicon rubber material gross weight 1-2% by weight.
In the technique scheme, known releasing agent all can be used for the present invention, and its consumption can be determined according to the general knowledge of oneself by those of ordinary skills.
In the technique scheme, according to can add the demand of color can buy on the various markets, be suitable for adding the pigment in the organo-silicone rubber, its consumption can be determined according to the general knowledge of oneself and to the requirement of color by those of ordinary skills.
Self-moistening type organic silicon rubber of the present invention can prepare with the following method:
(1) will mix in organo-silicone rubber, self-moistening type additive and the filler adding Banbury mixer;
(2) in the mixture of step (1) gained, add vulcanizing agent, randomly releasing agent and pigment randomly;
(3) mixture that step (2) is obtained leaves standstill;
(4) product of step (3) gained is made required goods.
Specifically, organo-silicone rubber, self-moistening type additive and filler are added in the Banbury mixer, they are mixed, and leave standstill the self-moistening type additive is well dispersed in the filler, the mixture that will so obtain then adds in the mill, add again vulcanizing agent, randomly releasing agent and randomly pigment their are mixed.The mixture that obtains like this left standstill again 12-16 hour or more than, vulcanizing agent is uniformly dispersed.
The self-moistening type organic silicon rubber material of the present invention often scale method moulding or extrude is made required product, of the present invention moistening organic silicon rubber material can be used for the various places that need the self-moistening type material certainly, as various cleaning glass apparatus, the pipe that needs self-moistening type such as peristaltic pump tube or the like.
Self-moistening type organic silicon rubber material of the present invention is specially adapted to windshield wiper, the windshield wiper made from self-moistening type organic silicon rubber of the present invention has excellent self-lubricity and water-repellancy, the cleaning glass surface can not produce washmarking well, and prevent that rain brush from producing and beat and send the sound. in addition, the rain brush that so makes has very good temperature tolerance, Hangzhoupro ultraviolet, ozone resistants etc., thereby have ideal stability, weathering resistance and ageing resistance, it is good when moistening clean-up performance certainly that rain brush is had, and no longer becomes a kind of running stores of short-term.
Embodiment
General preparation process: a certain amount of organo-silicone rubber, self-moistening type additive and filler are added in the Banbury mixer, they are mixed, left standstill 24 hours, the self-moistening type additive is well dispersed in the filler. then, this mixture is added in the mill, add an amount of vulcanizing agent, releasing agent and pigment again, thorough mixing, and the mixture that obtains left standstill 24 hours.The listed embodiment of following table is according to above-mentioned general preparation process operation, and raw material ratio is as described in showing.All raw material all can obtain in the mode of business procurement.
From the profit measure of merit: the self-moistening type organic silicon rubber material that makes in the foregoing description makes finished product through mold pressing. and finished product is left standstill and tan by the sun 1-2 in the sun after week, finished surface still has drying and grease is little shows, and lubricated sense is arranged.
Claims (6)
1. self-moistening type organic silicon rubber material, it is characterized in that: this material comprises organo-silicone rubber, self-moistening type additive, filler and vulcanizing agent, and randomly releasing agent and pigment.
2. material according to claim 1 is characterized in that: described organo-silicone rubber accounts for the 10-70% of described self-moistening type organic silicon rubber material gross weight by weight.
3. material according to claim 1 is characterized in that: described self-moistening type additive accounts for the 2-50% of described self-moistening type organic silicon rubber material gross weight by weight.
4. material according to claim 1 is characterized in that: described filler accounts for described from moistening the 20-70% of organic silicon rubber material gross weight by weight.
5. the preparation method of a self-moistening type organic silicon rubber material comprises the following steps: organo-silicone rubber, self-moistening type additive and filler are mixed, and adds vulcanizing agent, randomly releasing agent and pigment randomly then in the mixture of gained.
6. preparation method according to claim 5 is characterized in that this method further comprises the following steps:
(1) will mix in organo-silicone rubber, self-moistening type additive and the filler adding Banbury mixer;
(2) in the mixture of step (1) gained, add vulcanizing agent, randomly releasing agent and pigment randomly;
(3) mixture that step (2) is obtained leaves standstill;
(4) product of step (3) gained is made required goods.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010153204 CN101824220A (en) | 2010-04-14 | 2010-04-14 | Self-moistening type organic silicon rubber material and preparation method thereof |
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| CN 201010153204 CN101824220A (en) | 2010-04-14 | 2010-04-14 | Self-moistening type organic silicon rubber material and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152553A (en) * | 2010-11-24 | 2011-08-17 | 吴江朗科化纤有限公司 | Method for processing silicon rubber composite material |
| CN102504548A (en) * | 2011-11-29 | 2012-06-20 | 桂林裕天新材料有限公司 | Rubber material for windscreen wipers, preparation method thereof and process for producing windscreen wiper from the rubber material |
| CN105482458A (en) * | 2016-01-05 | 2016-04-13 | 浙江源创电子科技有限公司 | Silicone rubber strip for windscreen wiper and preparation method thereof |
| CN105623270A (en) * | 2016-04-08 | 2016-06-01 | 北京凯瑞捷成新材料科技有限公司 | Rubber composition and lubricating wear-resistant silicone rubber windshield wiper prepared from rubber composition |
| CN105694463A (en) * | 2016-04-08 | 2016-06-22 | 北京凯瑞捷成新材料科技有限公司 | Rubber composition and self-lubricating rubber sealing strip prepared from same |
| CN105778509A (en) * | 2016-04-08 | 2016-07-20 | 北京凯瑞捷成新材料科技有限公司 | Environment-friendly rubber composition and self-lubricating rubber sealing element prepared from same |
| CN106280487A (en) * | 2016-08-24 | 2017-01-04 | 江苏天辰新材料股份有限公司 | A kind of mold glue fluid silicone rubber and preparation method thereof |
| CN107474543A (en) * | 2017-08-29 | 2017-12-15 | 美途汽配实业（厦门）有限公司 | A kind of silica gel plated film rain-strip adhesive-tape and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706888A (en) * | 2004-06-11 | 2005-12-14 | Sar控股国际有限公司 | Self-lubricant organosilicone rubber material and its prepn proess and use |
-
2010
- 2010-04-14 CN CN 201010153204 patent/CN101824220A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706888A (en) * | 2004-06-11 | 2005-12-14 | Sar控股国际有限公司 | Self-lubricant organosilicone rubber material and its prepn proess and use |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152553A (en) * | 2010-11-24 | 2011-08-17 | 吴江朗科化纤有限公司 | Method for processing silicon rubber composite material |
| CN102504548A (en) * | 2011-11-29 | 2012-06-20 | 桂林裕天新材料有限公司 | Rubber material for windscreen wipers, preparation method thereof and process for producing windscreen wiper from the rubber material |
| CN105482458A (en) * | 2016-01-05 | 2016-04-13 | 浙江源创电子科技有限公司 | Silicone rubber strip for windscreen wiper and preparation method thereof |
| WO2017118331A1 (en) * | 2016-01-05 | 2017-07-13 | 浙江源创电子科技有限公司 | Silicone strip for windscreen wiper and manufacturing method thereof |
| CN105623270A (en) * | 2016-04-08 | 2016-06-01 | 北京凯瑞捷成新材料科技有限公司 | Rubber composition and lubricating wear-resistant silicone rubber windshield wiper prepared from rubber composition |
| CN105694463A (en) * | 2016-04-08 | 2016-06-22 | 北京凯瑞捷成新材料科技有限公司 | Rubber composition and self-lubricating rubber sealing strip prepared from same |
| CN105778509A (en) * | 2016-04-08 | 2016-07-20 | 北京凯瑞捷成新材料科技有限公司 | Environment-friendly rubber composition and self-lubricating rubber sealing element prepared from same |
| CN105778509B (en) * | 2016-04-08 | 2017-04-12 | 北京凯瑞捷成新材料科技有限公司 | Environment-friendly rubber composition and self-lubricating rubber sealing element prepared from same |
| CN106280487A (en) * | 2016-08-24 | 2017-01-04 | 江苏天辰新材料股份有限公司 | A kind of mold glue fluid silicone rubber and preparation method thereof |
| CN107474543A (en) * | 2017-08-29 | 2017-12-15 | 美途汽配实业（厦门）有限公司 | A kind of silica gel plated film rain-strip adhesive-tape and preparation method thereof |
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Open date: 20100908 |