CN103980715A - Method for preparing rubber clamp fluorosilicone rubber material - Google Patents
Method for preparing rubber clamp fluorosilicone rubber material Download PDFInfo
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- CN103980715A CN103980715A CN201410179498.2A CN201410179498A CN103980715A CN 103980715 A CN103980715 A CN 103980715A CN 201410179498 A CN201410179498 A CN 201410179498A CN 103980715 A CN103980715 A CN 103980715A
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Abstract
The invention discloses a method for preparing a rubber clamp fluorosilicone rubber material. In preparation of the rubber clamp fluorosilicone rubber material, 100 parts by weight of fluorosilicone rubber, 5 parts by weight of methyl vinyl silicone rubber, 38-65 parts by weight of fumed silica, 0.2-2.8 parts by weight of a coloring agent, 2-8 parts by weight of vinyl fluorosilicone oil, 3-16 parts by weight of hydroxy fluorosilicone oil, 0.5-1.5 parts by weight of an organic peroxide, and 2-4 parts by weight of diphenyl silanediol are taken as raw materials, and the rubber clamp fluorosilicone rubber material can be obtained through modified treatment of the raw materials by a mixing process. The material is wide in temperature applicable range and strong in environmental adaptability, can produce various structural types of rubber clamps, in addition, also can produce and manufacture seal parts, shock absorption buffering parts, spacer sleeves, membrane sheets and other types of products, and is widely used in aeronautics and astronautics, nuclear industries, electronic communication, chemical industries, medical science, shipping and other fields.
Description
Technical field
the preparation method who the present invention relates to a kind of rubber clip trifluoropropyl siloxane sizing material, belongs to elastomeric material technical field.
Background technology
along with the fast development of China's aerospace field in recent years, the demand of various high-performance aerospace equipment is increasing, and its performance requriements is also more and more higher, to meet the particular requirement of varying environment.With regard to rubber clip product, in HB and other standard, limited for making the optional elastomeric material description and quantity of rubber clip, optional elastomeric material environmental compatibility is poor.Cannot meet the requirement of aerospace field particular surroundings to elastomeric material.
Summary of the invention
the object of the invention is to, a kind of preparation method that rubber clip trifluoropropyl siloxane sizing material is provided, to meet the requirement of aerospace field particular surroundings to elastomeric material.
technical scheme of the present invention:
a kind of preparation method of rubber clip trifluoropropyl siloxane sizing material, when preparing rubber clip trifluoropropyl siloxane sizing material, getting by weight ratio 2～4 parts of 100 parts of trifluoropropyl siloxane, 5 parts of methyl vinyl silicone rubbers, 38～65 parts of gas-phase silicas, 0.2～2.8 part of tinting material, 2～8 parts of vinyl fluoride silicone oil, 3～16 parts of hydroxy terminated fluorosilicone oils, 0.5～1.5 part of organo-peroxide, Diphenylsilanediol is raw material, each raw material is mixed and after calendering process modification, can make rubber clip trifluoropropyl siloxane sizing material.
in aforementioned preparation method, described calendering process modification comprises following operation: each raw material is mixed by weight ratio → raw material mixing is placed on opening rubber mixing machine and mixes after rolling evenly to obtain sizing material → mixing is rolled to uniform sizing material be placed in baking oven and the condition of 180 ℃ * 2 hours and heat-treat → sizing material after thermal treatment is cut into the shaping blank of predetermined weight and size → shaping blank is got product after traditional sulfuration process is processed.
tinting material described in aforementioned preparation method can be titanium dioxide or permanent violet R.
organo-peroxide described in aforementioned preparation method is dicumyl peroxide.
compared with prior art, the present invention be take trifluoropropyl siloxane and is carried out special compounding (trifluoropropyl siloxane and methyl vinyl silicone rubber and two kinds of constitution controllers with) as material of main part, add strengthening agent (gas-phase silica), constitution controller (hydroxy terminated fluorosilicone oil and Diphenylsilanediol), organo-peroxide (dicumyl peroxide), tinting material (titanium dioxide or permanent violet R), through calendering process, modification forms vinyl fluoride silicone oil, material temperature subject range of the present invention is wide, environmental compatibility is strong, can produce various structure type rubber clips, also can manufacture obturator in addition, damping, buffering part, spacer, the multiclass products such as diaphragm, be widely used in aerospace, nuclear industry, telecommunications, chemical industry, medical science, in the multiple fields such as boats and ships.
rubber clip trifluoropropyl siloxane sizing material of the present invention has following performance index:
(1) conventional physical and mechanical properties is as follows:
a) hardness, Shao Shi A type, 55～65 degree;
b) tensile strength at yield, is not less than 6.2 Mpa;
c) tensile yield, is not less than 175%;
d) tear strength (cutting port depth 0.5mm, crescent test specimen), is not less than 11 KN/m.
(2) heat-resisting air aging
after 200 ℃ * 70h hot air aging, performance is as follows:
a) changes in hardness, Shao Shi A type ,-5～+ 10 degree;
b) tensile strength at yield velocity of variation, minimum-25%;
c) tensile yield velocity of variation, minimum-25%;
d) weight loss, maximum 5%.
(3) compression set
a) through the compression set of 175 ℃ * 70h warm air (A type sample, rate of compression 20%), be not more than 40%;
b) through the compression set of 200 ℃ * 70h warm air (Type B sample, rate of compression 25%), be not more than 50%.
c) through the compression set of 23.9 ℃ * 24h warm air (A type sample, rate of compression 20%), be not more than 15%.
(4) oil resistance
performance variation after 150 ℃ * 70h soaks AMS3021 oil
a) changes in hardness, Shao Shi A type ,-15～0 degree;
b) tensile strength at yield velocity of variation, minimum-45%;
c) tensile yield velocity of variation, minimum-30%;
d) volume change, 0～15%;
e) compression set (A type sample, rate of compression 20%), reading of standard is not more than the cooling rear reading of 45%, 18h and is not more than 55%.
through 23.9 ℃ * 24h, soak TT-S-735 III type oil or octane-iso: performance variation after toluene=70:30 volume ratio or AMS 2629 I types
a) changes in hardness, Shao Shi A type ,-20～0 degree;
b) tensile strength at yield velocity of variation, minimum-50%;
c) tensile yield velocity of variation, minimum-40%;
d) volume change, 0～25%;
(5) temperature limit of brittleness ,-56.7 ℃ are passed through.
clip trifluoropropyl siloxane material application characteristic
(1) Applicable temperature scope-56.7 ℃～225 ℃;
(2) the product structure form of design is applicable to customer need or meets national standard, international standard, company standard;
(3) the hygienic safety sexual satisfaction national sector standard requirement of elastomeric material.
Embodiment
below in conjunction with embodiment, the present invention is described in further detail, but not as any limitation of the invention.
a kind of preparation method of rubber clip trifluoropropyl siloxane sizing material, when preparing rubber clip trifluoropropyl siloxane sizing material, get by weight 100 parts of trifluoropropyl siloxane, 5 parts of methyl vinyl silicone rubbers, 38～65 parts of gas-phase silicas, 0.2～2.8 part of tinting material, 2～8 parts of vinyl fluoride silicone oil, 3～16 parts of hydroxy terminated fluorosilicone oils, 0.5～1.5 part of organo-peroxide, 2～4 parts of Diphenylsilanediols are raw material, by each raw material after calendering process modification, can obtain rubber clip trifluoropropyl siloxane sizing material, wherein toner can be selected titanium dioxide or permanent violet R, organo-peroxide is dicumyl peroxide.
above-mentioned calendering process modification comprises following operation: each raw material is mixed by weight ratio → raw material mixing is placed on opening rubber mixing machine and mixes after rolling evenly to obtain sizing material → mixing is rolled to uniform sizing material be placed in baking oven and the condition of 180 ℃ * 2 hours and heat-treat → sizing material after thermal treatment is cut into the shaping blank of predetermined weight and size → shaping blank is got product after traditional sulfuration process is processed.
wherein trifluoropropyl siloxane and methyl vinyl silicone rubber is preferably preferred by requirements such as the molecular weight distribution of prior art and viscosity, and mixes with other reagent (comprise and add strengthening agent, constitution controller, organo-peroxide, tinting material, vinyl fluoride silicone oil) according to the weight part proportioning of above-mentioned customization.
traditional sulfuration process described here refers to shaping blank is placed in rubber mold, and compression molding in temperature, pressure and the time range of existing sulfuration process regulation.
Claims (4)
1. the preparation method of a rubber clip trifluoropropyl siloxane sizing material, it is characterized in that: when preparing rubber clip trifluoropropyl siloxane sizing material, getting by weight ratio 2～4 parts of 100 parts of trifluoropropyl siloxane, 5 parts of methyl vinyl silicone rubbers, 38～65 parts of gas-phase silicas, 0.2～2.8 part of tinting material, 2～8 parts of vinyl fluoride silicone oil, 3～16 parts of hydroxy terminated fluorosilicone oils, 0.5～1.5 part of organo-peroxide, Diphenylsilanediol is raw material, each raw material is mixed and after calendering process modification, can make rubber clip trifluoropropyl siloxane sizing material.
2. preparation method according to claim 1, is characterized in that: described calendering process modification comprises following operation: each raw material is mixed by weight ratio → raw material mixing is placed on and on opening rubber mixing machine, mixes after rolling evenly to obtain sizing material → mixing is rolled to uniform sizing material be placed in baking oven and the condition of 180 ℃ * 2 hours and heat-treat → sizing material after thermal treatment is cut into the shaping blank of predetermined weight and size → shaping blank is got product after traditional sulfuration process is processed.
3. preparation method according to claim 1, is characterized in that: described tinting material is titanium dioxide or permanent violet R.
4. preparation method according to claim 1, is characterized in that: described organo-peroxide is dicumyl peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179498.2A CN103980715A (en) | 2014-04-30 | 2014-04-30 | Method for preparing rubber clamp fluorosilicone rubber material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179498.2A CN103980715A (en) | 2014-04-30 | 2014-04-30 | Method for preparing rubber clamp fluorosilicone rubber material |
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| CN103980715A true CN103980715A (en) | 2014-08-13 |
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| CN201410179498.2A Pending CN103980715A (en) | 2014-04-30 | 2014-04-30 | Method for preparing rubber clamp fluorosilicone rubber material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602260A (en) * | 2016-03-28 | 2016-05-25 | 东莞市亚马电子有限公司 | High-resilience silicone rubber sheet and manufacturing technique thereof |
| CN105754353A (en) * | 2016-03-28 | 2016-07-13 | 东莞市亚马电子有限公司 | High-thermal-conductivity silicone rubber and preparation process thereof |
| CN107053023A (en) * | 2017-04-27 | 2017-08-18 | 郑州磨料磨具磨削研究所有限公司 | A kind of gum cement and preparation method thereof, hard grinding wheel and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702098A (en) * | 2005-06-13 | 2005-11-30 | 上海三爱富新材料股份有限公司 | Fluorine-silicon compounded rubber stock and method for making same |
-
2014
- 2014-04-30 CN CN201410179498.2A patent/CN103980715A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702098A (en) * | 2005-06-13 | 2005-11-30 | 上海三爱富新材料股份有限公司 | Fluorine-silicon compounded rubber stock and method for making same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602260A (en) * | 2016-03-28 | 2016-05-25 | 东莞市亚马电子有限公司 | High-resilience silicone rubber sheet and manufacturing technique thereof |
| CN105754353A (en) * | 2016-03-28 | 2016-07-13 | 东莞市亚马电子有限公司 | High-thermal-conductivity silicone rubber and preparation process thereof |
| CN107053023A (en) * | 2017-04-27 | 2017-08-18 | 郑州磨料磨具磨削研究所有限公司 | A kind of gum cement and preparation method thereof, hard grinding wheel and preparation method thereof |
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Application publication date: 20140813 |