CN103992536A - Preparation method for hydrogenated nitrile-butadiene rubber material of rubber clamps - Google Patents
Preparation method for hydrogenated nitrile-butadiene rubber material of rubber clamps Download PDFInfo
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- CN103992536A CN103992536A CN201410179433.8A CN201410179433A CN103992536A CN 103992536 A CN103992536 A CN 103992536A CN 201410179433 A CN201410179433 A CN 201410179433A CN 103992536 A CN103992536 A CN 103992536A
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Abstract
The invention discloses a preparation method for a hydrogenated nitrile-butadiene rubber material of rubber clamps. For preparing the hydrogenated nitrile-butadiene rubber material of rubber clamps, raw materials comprise, in parts by weight, 100 parts of hydrogenated nitrile-butadiene rubber, 20-35 parts of gas-phase white carbon black, 35-55 parts of a flame retardant, 3-6.5 parts of an anti-aging agent, 4-7 parts of a vulcanizer, 1-3 parts of a coloring agent and 4-25 parts of a plasticizer. The raw materials are subjected to modification processing through plasticating and mixing, so that the hydrogenated nitrile-butadiene rubber material is obtained. The material is wide in temperature applicable scope and strong in environment adaptability. The material is applicable to produce rubber clamps with various structures in various types, additionally, the material is applicable to produce sealing parts, damping buffer parts, sleeve gaskets, diaphragms and other products, and is widely applicable to various fields such as aviation and spaceflight, nuclear industry, electrocommunication, chemical engineering, medical science, ships and the like.
Description
Technical field
the preparation method who the present invention relates to a kind of rubber clip hydrogenated nitrile-butadiene rubber 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, 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 of rubber clip hydrogenated nitrile-butadiene rubber 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 hydrogenated nitrile-butadiene rubber material, when preparing rubber clip hydrogenated nitrile-butadiene rubber material, getting by weight 4～25 parts, 100 parts of hydrogenated nitrile-butadiene rubbers, 20～35 parts of gas-phase silicas, 35～55 parts of fire retardants, 3～6.5 parts, anti-aging agent, 4～7 parts of vulcanizer agent, 1～3 part of tinting material and softening agent is raw material, each raw material is mixed and after the calendering process modification of plasticating, can make rubber clip hydrogenated nitrile-butadiene rubber material.
in aforementioned preparation method, described in the calendering process modification of plasticating comprise following operation: each raw material is mixed by weight ratio → by mixed raw material mode rubber mixing machine carry out mechanical process plasticate → raw material after plasticating 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.
in aforementioned preparation method, described fire retardant is antimonous oxide, aluminium hydroxide or decabromodiphynly oxide.
in aforementioned preparation method, tinting material is titanium dioxide or permanent violet R.
in aforementioned preparation method, anti-aging agent is anti-aging agent RD or antioxidant MB.
in aforementioned preparation method, vulcanizer agent is Diamines vulcanizing agent or dihydroxy compound vulcanizing agent.
in aforementioned preparation method, softening agent is paraffinic base rubber or naphthenic rubber.
compared with prior art, the present invention be take hydrogenated nitrile-butadiene rubber as material of main part and is furnished with to mix and adds strengthening agent (gas-phase silica), fire retardant (antimonous oxide, aluminium hydroxide or decabromodiphynly oxide), anti-aging agent (anti-aging agent RD or antioxidant MB), vulcanizer agent (Diamines vulcanizing agent or dihydroxy compound vulcanizing agent), tinting material (titanium dioxide or permanent violet R) and softening agent (paraffinic base rubber or naphthenic rubber) etc. form through the calendering process modification of plasticating, 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 hydrogenated nitrile-butadiene rubber material of the present invention has following performance index:
(1) conventional physical and mechanical properties
a) hardness, Shao Shi A type, 65～75 degree; B) tensile strength at yield, minimum 13.8 Mpa; C) tensile yield, minimum 500%; D) tear strength (cutting port depth 0.5mm, crescent test specimen), minimum 52 KN/m.
(2) heat-resisting air aging
performance after 135 ℃ * 70h hot air aging
a) changes in hardness, Shao Shi A type, maximum+10 degree; B) tensile strength at yield velocity of variation, maximum+40%; C) tensile yield velocity of variation, maximum+75%; D) tear strength velocity of variation, maximum+40%; E) volume change, maximum+10%.
(3) compression set
through 100 ℃ * 70h warm air; Compression set (A type sample, rate of compression 20%), maximum 55%.
(4) fuel performance of resistance to RP-3
performance variation after 38 ℃ * 168h soaks RP-3 fuel oil
a) changes in hardness, Shao Shi A type, minimum-20 degree; B) tensile strength at yield velocity of variation, maximum+30%; C) tensile yield velocity of variation, maximum+10%; D) tear strength (cutting port depth 0.5mm, crescent test specimen) velocity of variation, maximum+35%; E) volume change, maximum+15%; F) air drying 24h volume change, maximum+10%.
(5) resistance to No. 15 aeronautic hydraulic oil performances
performance variation after 70 ℃ * 70h soaks No. 15 aeronautic hydraulic oils
a) changes in hardness, Shao Shi A type, minimum-15 degree; B) tensile strength at yield velocity of variation, maximum+10%; C) tensile yield velocity of variation, maximum+10%; D) tear strength (cutting port depth 0.5mm, crescent test specimen) velocity of variation, maximum+10%; E) volume change, maximum+10%; F) air drying 24h volume change, maximum+10%.
(6) ozone resistance
through 52 ℃ * 6h, 600pphm ozone concn, tensile deformation 20%, sample flawless.
(7) temperature limit of brittleness ,-55 ℃ are passed through.
clip hydrogenated nitrile-butadiene rubber material application characteristic
(1) Applicable temperature scope-55 ℃～135 ℃; (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 hydrogenated nitrile-butadiene rubber material, when preparing rubber clip hydrogenated nitrile-butadiene rubber material, get by weight 100 parts of hydrogenated nitrile-butadiene rubbers, 20～35 parts of gas-phase silicas, 35～55 parts of fire retardants, 3～6.5 parts, anti-aging agent, 4～7 parts of vulcanizer agent, 4～25 parts of formation raw materials of 1～3 part of tinting material and softening agent, by each raw material after the calendering process modification of plasticating, can obtain rubber clip hydrogenated nitrile-butadiene rubber material, wherein said fire retardant can be antimonous oxide, aluminium hydroxide or decabromodiphynly oxide, tinting material can be titanium dioxide or permanent violet R, anti-aging agent can be anti-aging agent RD or antioxidant MB, vulcanizer agent can be Diamines vulcanizing agent or dihydroxy compound vulcanizing agent, softening agent can be paraffinic base rubber or naphthenic rubber.
the aforementioned calendering process modification of plasticating comprises following operation: each raw material is mixed by weight ratio → by mixed raw material mode rubber mixing machine carry out mechanical process plasticate → raw material after plasticating 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 rubber clip hydrogenated nitrile-butadiene rubber material 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, fire retardant, anti-aging agent, vulcanizer agent, tinting material and softening agent) according to the weight part proportioning of above-mentioned customization.
plasticating technology is plasticated for mixed raw material mode rubber mixing machine is carried out to mechanical process, and raw material is placed in two roller gaps that rotate in opposite directions of mill, is repeatedly subject to the stressed explanation of mechanical force, finally reaches and meets chaotic plasticity number.
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 (7)
1. the preparation method of a rubber clip hydrogenated nitrile-butadiene rubber material, it is characterized in that: when preparing rubber clip hydrogenated nitrile-butadiene rubber material, getting by weight ratio 4～25 parts, 100 parts of hydrogenated nitrile-butadiene rubbers, 20～35 parts of gas-phase silicas, 35～55 parts of fire retardants, 3～6.5 parts, anti-aging agent, 4～7 parts of vulcanizer agent, 1～3 part of tinting material and softening agent is raw material, each raw material is mixed and after the calendering process modification of plasticating, can make rubber clip hydrogenated nitrile-butadiene rubber material.
2. preparation method according to claim 1, is characterized in that: described in the calendering process modification of plasticating comprise following operation: first each raw material is mixed by weight ratio → by mixed raw material adopt rubber mixing machine carry out mechanical process plasticate → raw material after plasticating 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 rubber vulcanization process is processed.
3. preparation method according to claim 1, is characterized in that: described fire retardant is antimonous oxide, aluminium hydroxide or decabromodiphynly oxide.
4. preparation method according to claim 1, is characterized in that: tinting material is titanium dioxide or permanent violet R.
5. preparation method according to claim 1, is characterized in that: anti-aging agent is anti-aging agent RD or antioxidant MB.
6. preparation method according to claim 1, is characterized in that: vulcanizer agent is Diamines vulcanizing agent or dihydroxy compound vulcanizing agent.
7. preparation method according to claim 1, is characterized in that: softening agent can be cerul rubber or naphthenic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179433.8A CN103992536A (en) | 2014-04-30 | 2014-04-30 | Preparation method for hydrogenated nitrile-butadiene rubber material of rubber clamps |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410179433.8A CN103992536A (en) | 2014-04-30 | 2014-04-30 | Preparation method for hydrogenated nitrile-butadiene rubber material of rubber clamps |
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| CN103992536A true CN103992536A (en) | 2014-08-20 |
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| CN201410179433.8A Pending CN103992536A (en) | 2014-04-30 | 2014-04-30 | Preparation method for hydrogenated nitrile-butadiene rubber material of rubber clamps |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106279857A (en) * | 2016-08-25 | 2017-01-04 | 无锡市美峰橡胶制品制造有限公司 | A kind of flame retardant type rubber compounding |
| CN110684255A (en) * | 2019-10-12 | 2020-01-14 | 贵州航天精工制造有限公司 | High-pressure-resistant self-lubricating sealing material suitable for marine environment and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384660A (en) * | 2006-02-17 | 2009-03-11 | Nok株式会社 | Hydrogenated nbr composition |
| CN102040756A (en) * | 2009-10-21 | 2011-05-04 | 中国石油化工股份有限公司 | Rubber seal membrane for petrochemical gas storage holder and preparation method thereof |
| CN103396591A (en) * | 2013-06-14 | 2013-11-20 | 中国船舶重工集团公司第七二五研究所 | Oilfield ultrahigh-pressure acid-resistant rubber seal material and preparation method thereof |
| CN103407010A (en) * | 2013-08-12 | 2013-11-27 | 广州机械科学研究院有限公司 | Large-scale hydrogenated nitrile butadiene skeleton oil seal, and preparation method and application thereof |
-
2014
- 2014-04-30 CN CN201410179433.8A patent/CN103992536A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384660A (en) * | 2006-02-17 | 2009-03-11 | Nok株式会社 | Hydrogenated nbr composition |
| CN102040756A (en) * | 2009-10-21 | 2011-05-04 | 中国石油化工股份有限公司 | Rubber seal membrane for petrochemical gas storage holder and preparation method thereof |
| CN103396591A (en) * | 2013-06-14 | 2013-11-20 | 中国船舶重工集团公司第七二五研究所 | Oilfield ultrahigh-pressure acid-resistant rubber seal material and preparation method thereof |
| CN103407010A (en) * | 2013-08-12 | 2013-11-27 | 广州机械科学研究院有限公司 | Large-scale hydrogenated nitrile butadiene skeleton oil seal, and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106279857A (en) * | 2016-08-25 | 2017-01-04 | 无锡市美峰橡胶制品制造有限公司 | A kind of flame retardant type rubber compounding |
| CN110684255A (en) * | 2019-10-12 | 2020-01-14 | 贵州航天精工制造有限公司 | High-pressure-resistant self-lubricating sealing material suitable for marine environment and preparation method thereof |
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Application publication date: 20140820 |
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