CN105585848A - Silicon rubber gas bag material for moulding liner of solid rocket engine and preparation method of same - Google Patents
Silicon rubber gas bag material for moulding liner of solid rocket engine and preparation method of same Download PDFInfo
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- CN105585848A CN105585848A CN201410659395.6A CN201410659395A CN105585848A CN 105585848 A CN105585848 A CN 105585848A CN 201410659395 A CN201410659395 A CN 201410659395A CN 105585848 A CN105585848 A CN 105585848A
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Abstract
The invention relates to a long-life high-temperature-vulcanized silicon rubber material which is high-temperature-resistant and anti-degradation under a complex work status environment of moulding an ethylene propylene diene monomer heat insulating material and is specially used for preparing a liner moulding auxiliary gas bag of a space solid rocket engine. The material includes, by weight, 100 parts of a silicon rubber compound, 30-50 parts of fumed silica, 5-10 parts of an anti-aging additive A, 1-3 parts of an anti-aging additive B, 5-10 parts of an anti-aging additive C, 5-10 parts of silazane and 1-3 parts of a vulcanizing agent. A process of preparing a gas bag mould with the silicon rubber includes the steps of mixing, remilling, moulding, first-stage vulcanization, adhesion and second-stage vulcanization. The silicon rubber is not failure after 200 h in a sealed status, at 150 DEG C, under 0.5 MPa and in the presence of an ethylene propylene diene monomer heat insulating composite material. The silicon rubber can be used as the liner moulding auxiliary gas bag of the space solid rocket engine and the like various pressure containers.
Description
Technical field
The invention belongs to solid space rocket engine technical field, particularly the moulding of a kind of solid propellant rocket liner is as silicon rubber composite material and preparation method thereof for the moulding of solid propellant rocket internal insulation.
Background technology
The moulding of Solid Rocket Motors For Aerospace liner generally adopts a kind of silicone rubber air sacs assistant formation technique, and its cardinal principle is the core during using air bag as composite material forming, by the regulation and control of interior pressure, composite body is exerted pressure, and makes it curing molding. Silicon rubber inflatable bag core has flexibility, compares with compression molding, and the global formation, dress, the demoulding that are easy to realize complex structural member are simple and efficient, can save a large amount of man-hours, simplify moulding technological process, conventional metals and other polymer cores, have obvious cost advantage relatively.
Require to have higher heat endurance and comprehensive ageing-resistant performance for the silicon special elastomeric material of air bag assistant formation technique, resistance to rotten or resistance to softening under heat and pressure, reuse rear dimensionally stable, high stretch modulus, high-tear strength, high elongation at tear etc. For example, be applied to the Silicon rubber inflatable bag of solid propellant rocket liner moulding, due in the enclosed environment in 150 DEG C of temperature, interior pressure 0.1 ~ 0.7MPa for a long time, tolerate the effect of physics and chemistry repeatedly of the complicated inner lining material (comprising rubber, all kinds of inorganic filler, bulking agent, auxiliary agent, fire retardant, catalyst, crosslinking agent etc.) of composition,, chemically-resistant effect heat-resisting to material, resistance to peroxide, the comprehensive ageing-resistant performance such as withstand voltage have proposed very high requirement. Current business-like Related product, adopts the material that 110-2 glue is matrix to make, and adds filler and the additives such as white carbon, three oxygen two iron, and aging through 6 hours under this environment finds that silicon rubber is seriously clamminess after separating wound, and degradation reaction has occurred.
In addition, in the prior art, high temperature resistant, not aging, the sulphurated siliastic of not degrading is a lot. Such as at Chinese patent " anti-degraded room temperature vulcanized silicone rubber ", Granted publication number discloses under a kind of sealing state through 24 hours 150 DEG C of high temperature for CN1410487A, not aging, not degrade casting glue, but not yet find the technology that meets this class solid propellant rocket liner moulding work condition environment (sealing state, 150 DEG C of temperature, pressure 0.1 ~ 0.7MPa, EPDM heat insulation layer material and catabolite thereof) of similar solid propellant rocket and can use the long-life sulphurated siliastic material of 200 hours. In addition, by collaborative to polytetrafluoroethylene (PTFE), modified carbon nano-tube, shitosan and the transition metal oxide ageing-resistant additive as silastic material also so far there are no report.
Summary of the invention
For the deficiencies in the prior art, the present invention deals with problems and is to provide a kind of solid propellant rocket liner moulding formula of silicone rubber air capsule material and preparation method thereof, significantly to extend the service life of silicone rubber air capsule material under airtight complex working condition environment, improve the reliability of solid propellant rocket liner moulding. Silicon rubber inflatable bag mold materials provided by the present invention is applicable to the liner moulding of solid propellant rocket.
Silicone rubber air capsule material of the present invention can be fixed on solid propellant rocket inner lining surface by certain air pressure, plays the effect of supporting liner moulding, to ensure the integrality of liner and the reliability of work. This solid propellant rocket liner moulding silicone rubber air capsule material, comprises following component according to weight proportion:
(1) silicone rubber compounds 100-120 part;
(2) ageing-resistant additive A 5-10 part;
(3) 1 ~ 3 part of ageing-resistant additive B;
(4) 5 ~ 10 parts of ageing-resistant addition of C;
(5) reinforced filling 30-50 part;
(6) vulcanizing agent 0.5-3 part;
(7) 5 ~ 12 parts of antistructurizing agents;
(8) 1 ~ 5 part of coupling agent.
(9) 5 ~ 10 parts of process auxiliaries.
Further, described silicone rubber compounds is one or both in methyl vinyl silicone rubber, phenyl siloxane rubber.
Further, described ageing-resistant additive A is the single or composite oxides of manganese, iron, cerium.
Another object of the present invention is to provide a kind of preparation method of above-mentioned silicone rubber air capsule material, uses the technical process of silicone rubber air capsule material to be:
First, at ambient temperature, by weight ratio matrix resin, reinforced filling, resistance to Peroxide Additives being put into successively to mill, to carry out room temperature mixing.
After broken glue, roll spacing is adjusted to 2mm; After bag roller, slowly add silane coupler, constitution controller; After mixing, add vulcanizing agent, mix latter lower.
Then, by screw extruder and press, sizing material is pressed into certain thickness blob of viscose according to model demand, by blob of viscose slice (thickness 2mm) on two roller machine;
Finally require to make mould according to container model, above-mentioned silicon rubber raw cook is wrapped on mould, air bag size conforms drawing requirement by operations such as shaping, calendering overlap edges, then under normal pressure, carry out one step cure, heat transfer medium is hot-air, 160 ~ 170 DEG C of curing temperatures, cure time 30min; Check the air-tightness of air bag, the qualified post vulcanization that carries out.
The present invention has following beneficial effect:
(1) silicone rubber air capsule material of the present invention replaces existing product, make the air bag life to 200 hour of solid propellant rocket liner moulding, the air bag cost of molding process by every 100 times 100,000 yuan be reduced to below 10,000 5 thousand yuan, and this vulcanized rubber is easy to use, be easy to keep, raw material are easily obtained.
(2) use this silicone rubber air capsule material, can place high-temperature silicon disulfide rubber high temperature degradation reaction occurs under sealing state, solved hidden danger of quality, prevent product rejection, improved to a great extent reliability and the life-span of product.
Detailed description of the invention
Below in conjunction with embodiment, technical scheme of the present invention is further described.
Solid propellant rocket liner of the present invention moulding silicone rubber air capsule material, comprises following component according to weight proportion:
(1) silicone rubber compounds 100-120 part;
(2) ageing-resistant additive A 5-10 part;
(3) 1 ~ 3 part of ageing-resistant additive B;
(4) 5 ~ 10 parts of ageing-resistant addition of C;
(5) reinforced filling 30-50 part;
(6) vulcanizing agent 0.5-3 part;
(7) 5 ~ 12 parts of antistructurizing agents;
(8) 1 ~ 5 part of coupling agent.
(9) 5 ~ 10 parts of process auxiliaries.
Further, described silicone rubber compounds is one or both in methyl vinyl silicone rubber, phenyl siloxane rubber (comprising basic, normal, high three kinds), is the matrix sizing material of Silicon rubber inflatable bag mold materials. Adopt the silicon rubber of unique construction can increase the steric hindrance of rubber main chain, stop the degraded of silicon rubber backbone rearrangement, thereby increase substantially the heat resistance of silicon rubber composite material.
Preferably, described ageing-resistant additive A is transition metal mixed oxide. This compounds can, by stoping the chain growth of free radical, reduce the attack of active oxygen to silicon rubber side group, thereby it is aging obviously to alleviate the thermal decomposition of silicon rubber. Them can be effectively given play to synergy ageing-resistant under complex working condition environment by preparing the compound of these several compounds. Its preparation technology is as follows: at ambient temperature, adopt sol-gal process to prepare two kinds or several composite oxides gels such as nickel, cobalt, copper, tin, manganese, iron, cerium, lanthanum, gel is placed in to 110 DEG C of oven dry to spend the night, 400 DEG C of pre-burning 1h, 800 DEG C of calcining 2h, after cooling, obtain combined oxidation matter sample, preserve at 0 ~ 30 DEG C of hermetically drying place.
Further, described ageing-resistant additive B is one or both in hydroxyl or amino modified multi-wall carbon nano-tube tube material or low molecular chitosan. Carbon nano-tube material is more difficult dispersion in silicon rubber, therefore needs first to adopt following pre-dispersed technique to process: CNT is joined in appropriate dimethylbenzene, and ultrasonic dispersion is about 1 hour. A small amount of many ethylene liquids silicon rubber is joined in xylene solution, fully after stirring and dissolving, stir ultrasonic while add the xylene solution of above-mentioned CNT in mode repeatedly on a small quantity, added the ultrasonic 30min of rear continuation. Then slough rapidly dimethylbenzene, good seal is for subsequent use. Low-molecular-weight shitosan, knowing the shitosan that is better than HMW aspect superoxide anion and hydroxyl radical free radical, can directly add or coordinate modified carbon nano-tube to work in coordination with in silicon rubber using.
Further, described ageing-resistant addition of C is one or both in ptfe emulsion or superfine powder of polytetrafluoroethylene. This class material has very high dispersiveness, can with the even blend of other materials. Resistance to strong acid, highly basic, strong oxidizer.
Further, described reinforced filling is the fillers such as gas-phase silica, high strength white carbon, acetylene carbon black, diatomite, imvite, and wherein the trade mark of white carbon comprises one or several in M5, Ts720, S-600, HB-612 or HB-620, Nano carbon white and lucky invincible silanization white carbon. White carbon is considered to raw-silastic continuously molecule and is more easily adsorbed on the Si0 of dispersion to the strengthening action of silicon rubber2Particle surface, makes interparticle distance from being less than particle not holding any government official post diameter, and the part chain link order of rubber molecule is arranged, thereby produces crystallization effect, has strengthened intermolecular attraction in adsorption layer; In addition, the Si-O key in rubber molecule or its terminal hydroxy group can with Si02The Si-OH base on surface forms physics or chemical bond, and the physical and mechanical property of vulcanizate is improved. The filler of variety classes, different-grain diameter is very large to the reinforcing effect difference of silicon rubber.
Further, described vulcanizing agent is benzoyl peroxide, cumyl peroxide, 2,4-dichlorobenzoperoxide (DCEP), t-butyl perbenzoate, peroxidating di tert butyl carbonate, 2,5-dimethyl-2, one or both in 5-two tert-butyl peroxy base-hexanes, can make the raw-silastic continuously of high viscid plasticity state change the elastic state silastic material of tridimensional network into.
Further, described antistructurizing agent is one or both in pregnancy basic ring three silazane, octamethylcyclotetrasilazane, diphenyl two silanols, hydroxy silicon oil, inorganic agent as reinforced filling surface texture uses, can effectively regulate the hydroxy radical content between filling surface, suppress Si-OH too high levels under high temperature and cause the degraded of silicon rubber thermal rearrangement.
Further, described coupling agent is epoxy coupling agents and acryloxy coupling agent, epoxy coupling agents and acryloxy coupling agent are one or both in large-42 silane couplers in south, A-151 silane coupler, γ-glycidol ether propyl trimethoxy silicane and γ-methacryloxypropyl trimethoxy silane, adopt epoxy, the bonding energy of acryloxy coupling agent to form stable chemical covalent bond, greatly improve bonding persistence and the stability between filler and matrix resin, thereby improve processing performance, improve ageing-resistant performance.
Solid propellant rocket liner of the present invention moulding also can comprise process auxiliaries, EPDM heat insulation layer material with silicone rubber air capsule material.
Process auxiliaries refers to one or several in stearic acid, zinc stearate, zinc oxide, di-n-octyl sebacate, dibutyl phthalate, triethyl citrate, chlorinated paraffin-42, tricresyl phosphate, tributyl 2-acetylcitrate, for improving the processing performance of elastomeric compound, prevent roll banding and occur cannot moulding phenomenon.
EPDM heat insulation layer material is to be matrix by ethylene propylene diene rubber, adding in proportion fire retardant, carbon fiber or aramid fiber, white carbon, curing agent and other auxiliary agent room temperatures are mixing and under normal pressure, vulcanize the class elastic composite obtaining, is one of current modal solid propellant rocket internal insulation material.
, under coupling agent, vulcanizing agent effect, there is open loop, hydrolysis, condensation, esterification in silicon rubber matrix.
Refer to 5 Silicon rubber inflatable bag material prescriptions of the present invention of enumerating in table 1.
Silicone rubber air capsule material and comparative example proportioning (unit: %) for the moulding of table 1 solid propellant rocket liner of the present invention
| Material name | Formula 1 | Formula 2 | Formula 3 | Formula 4 | Formula 5 | Comparative example |
| Phenyl siloxane rubber resin | 100 | 100 | 100 | 100 | 100 | 0 |
| Methyl vinyl silicone rubber | / | / | / | / | / | 100 |
| Hydrophobic silicic aerogels | 30 | 40 | 25 | 40 | 35 | / |
| Fume colloidal silica | 20 | 10 | 25 | / | 15 | 40 |
| Composite metal oxide | 10 | 5 | 8 | 6 | 3 | 10 |
| Amino modified CNT | 1 | / | 0.5 | / | 0.8 | / |
| Hydroxyl modification CNT | / | 1 | 0.5 | / | 1 | / |
| Low molecular chitosan | / | 1 | 1 | 2 | 1.5 | / |
| Ptfe emulsion | 5 | 5 | 8 | 10 | 4 | / |
| Di-n-octyl sebacate | / | / | 3 | / | 1.5 | 2.5 |
| Zinc oxide | / | 5 | / | 5 | / | / |
| Stearic acid | 5 | / | / | / | / | |
| Zinc stearate | / | / | / | / | 5 | 5 |
| Silane coupler | 2.5 | 2.5 | 3 | 5 | 5 | 2.5 |
| Silazane | 3 | 3 | 5 | 5 | 5 | 3 |
| Vulcanizing agent | 3 | 3 | 3 | 3 | 3 | 3 |
Embodiment 1
Under high-temperature sulfuration silicon rubber raw rubber room temperature, process at open type dual-roller cylinder rubber mixing machine. First 1 methyl phenyl silicone rubber resin rubber is added on roller by filling a prescription in table 1, machines after sizing material bag roller, progressively add filler (white carbon, resistance to Peroxide Additives, coupling agent etc.). After mixing sizing material thin-pass after evenly 8 ~ 10 times, sheet under clot, obtains elastomeric compound and deposits in drier for subsequent use. Elastomeric compound is placed after 24 hours and is carried out back mixing, on open type dual-roller cylinder rubber mixing machine, carries out, and when sizing material limbers up, smooth surface is smooth, and thin-pass 5 ~ 10 times can blanking slice. Then silicon rubber gross rubber is wrapped to roller on open type dual-roller cylinder rubber mixing machine, add crosslinking agent, catalyst etc., 10 left and right of thin-pass, by blob of viscose slice (thickness 2mm) on two roller machine. Pressing force container model requires preparation to make the mould of capsule (head, afterbody, shell portion are separately made), then silicon rubber raw cook is wrapped on capsule die, by operations such as shaping, calendering overlap edges, capsule size is met the requirements, and at silicon rubber top covering cloth, fixing raw-silastic continuously capsule, under normal pressure, carry out one step cure, heat transfer medium is hot-air, and curing temperature is 160 ~ 170 DEG C, the about 30min of cure time. Finally the capsule of different piece is bonded together and is carried out post vulcanization (150 DEG C × 120min of condition) by adhesive.
By the air bag of making under the enclosed environment of 150 DEG C of temperature, interior pressure 0.1 ~ 0.7MPa, service condition based on material is carried out the artificial accelerated aging under molding simulation experimental condition in conjunction with standard GB/T/T7141-1992 simultaneously, process through test in 200 hours, air bag outward appearance is unchanged, and after dissecting, Mechanics Performance Testing is carried out in sampling. In simulation practical application, silicon rubber pressurized can obtain by the mode that adds frock, represents stressed size by the dependent variable of Control Assay. Spend and elongation rate of tensile failure changes-50% as rubber failure criteria using firmness change 15, result shows that case study on implementation 1 formula materials can meet the requirement of working 200 hours under 150 DEG C, the condition of interior pressure 0.1 ~ 0.7MPa completely.
Embodiment 2
2 prepare solid propellant rocket liner Silicon rubber inflatable bag 2 for assistant formation by filling a prescription in table 1, its preparation method is identical with embodiment 1. Gained bag material performance of the present invention is in the embodiment 2 of table 2.
Embodiment 3
3 prepare solid propellant rocket liner Silicon rubber inflatable bag 3 for assistant formation by filling a prescription in table 1, its preparation method is identical with embodiment 1. Gained bag material performance of the present invention is in the embodiment 3 of table 2.
Embodiment 4
4 prepare solid propellant rocket liner Silicon rubber inflatable bag 4 for assistant formation by filling a prescription in table 1, its preparation method is identical with embodiment 1. Gained bag material performance of the present invention is in the embodiment 4 of table 2.
Embodiment 5
5 prepare solid propellant rocket liner Silicon rubber inflatable bag 5 for assistant formation by filling a prescription in table 1, its preparation method is identical with embodiment 1. Gained bag material performance of the present invention is in the embodiment 5 of table 2.
Comparative example
Prepare silicone rubber air capsule material by the formula of comparative example in table 1, its preparation method is identical with embodiment 1, and the performance of gained bag material of the present invention is in the comparative example of table 2.
Mechanical property before and after table 2 Silicon rubber inflatable bag material aging of the present invention and with current material comparison.
* ageing time is 200 hours.
(according to requiring to cut into required form in GB/T528-1998 " mensuration of vulcanized rubber or thermoplastic elastomer tensile stress-strain performance ", GB/T529-1999 " mensuration of vulcanized rubber or thermoplastic elastomer tearing strength ", GB/T15254-94 " 180 ° of peel tests of vulcanized rubber and metal adhesive ".
Claims (10)
1. a solid propellant rocket liner moulding silicone rubber air capsule material, is characterized in that, described silicone rubber component comprises by weight and is:
Silicone rubber compounds, 100 parts;
Ageing-resistant additive A, 5-10 part;
Ageing-resistant additive B, 1 ~ 3 part;
Ageing-resistant addition of C, 5 ~ 10 parts
Reinforced filling, 30-50 part;
Vulcanizing agent, 0.5-3 part;
Antistructurizing agent, 5 ~ 12 parts;
Coupling agent, 1 ~ 5 part.
2. solid propellant rocket liner according to claim 1 moulding silicone rubber air capsule material, is characterized in that described silicone rubber compounds is one or both in methyl vinyl silicone rubber, phenyl siloxane rubber.
3. solid propellant rocket liner according to claim 1 moulding silicone rubber air capsule material, is characterized in that described ageing-resistant additive A is the single or composite oxides of manganese, iron, cerium.
4. solid propellant rocket liner according to claim 1 moulding silicone rubber air capsule material, is characterized in that described ageing-resistant additive B is wherein any or multiple of hydroxyl, amino or carboxy-modified carbon nano-tube material, low-molecular weight chitoglycan and derivative thereof.
5. solid propellant rocket liner according to claim 1 moulding silicone rubber air capsule material, is characterized in that described ageing-resistant addition of C is the single or mixture of ptfe emulsion, superfine powder of polytetrafluoroethylene.
6. solid propellant rocket liner according to claim 1 moulding silicone rubber air capsule material, is characterized in that described reinforced filling is the single or mixture of fume colloidal silica Ts720, M5, HB-612 or HB-620, lucky invincible silanization white carbon.
7. a method of preparing solid propellant rocket liner moulding claimed in claim 1 silicone rubber air capsule material, is characterized in that, comprises following processing step:
Under high-temperature sulfuration silicon rubber raw rubber room temperature, in the processing of open type dual-roller cylinder rubber mixing machine, first silicone rubber compounds is added on roller, machines after sizing material bag roller, progressively add reinforced filling, ageing-resistant additive, coupling agent; After mixing sizing material thin-pass after evenly 8 ~ 10 times, sheet under clot, obtains elastomeric compound and deposits in drier for subsequent use; Elastomeric compound is placed after 24 hours and is carried out back mixing, on open type dual-roller cylinder rubber mixing machine, carries out, and when sizing material limbers up, smooth surface is smooth, and thin-pass 5 ~ 10 times gets final product blanking slice;
Then silicon rubber gross rubber is wrapped to roller on open type dual-roller cylinder rubber mixing machine, add crosslinking agent, catalyst etc., 10 left and right of thin-pass, by blob of viscose slice on two roller machine; Pressing force container model requires to prepare capsule die, then silicon rubber raw cook is wrapped on capsule die, by shaping, calendering overlap edge operation, capsule size is met the requirements, and at silicon rubber top covering cloth, fixing raw-silastic continuously capsule, under normal pressure, carry out one step cure, heat transfer medium is hot-air, and curing temperature is 160 ~ 170 DEG C, the about 20min of cure time; Finally the capsule of different piece is bonded together and is carried out post vulcanization by adhesive.
8. a method of preparing solid propellant rocket liner moulding silicone rubber air capsule material as claimed in claim 7, is characterized in that, is 2mm by the thickness of blob of viscose slice on two roller machine.
9. a method of preparing solid propellant rocket liner moulding silicone rubber air capsule material as claimed in claim 7, is characterized in that, separately the making according to head, afterbody, shell portion of described capsule die.
10. a method of preparing solid propellant rocket liner moulding silicone rubber air capsule material as claimed in claim 7, is characterized in that, the condition of described post vulcanization is at 150 DEG C, and the time of carrying out is 120min.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108329604A (en) * | 2018-01-29 | 2018-07-27 | 湖北华强科技有限责任公司 | A kind of liquid shell rubber pneumatic bag formula and preparation method thereof |
| CN111086128A (en) * | 2019-12-27 | 2020-05-01 | 湖北航聚科技有限公司 | Core mold for manufacturing solid rocket engine and forming method thereof |
| CN112318790A (en) * | 2020-09-09 | 2021-02-05 | 西安近代化学研究所 | Vulcanization molding process for high-viscosity silicon-based heat insulation layer |
| CN114933803A (en) * | 2021-09-03 | 2022-08-23 | 安徽立航复合材料科技有限公司 | High-hardness silicone rubber air bag for curing heat insulation layer of solid rocket engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1061390A (en) * | 1960-02-19 | 1967-03-08 | Nitrochemie Ges Mit Beschraenk | Improvements in or relating to propellants |
| CN1410487A (en) * | 2002-11-26 | 2003-04-16 | 中国航天科技集团公司第九研究院七七一研究所 | Anti degradation room temperature silicon sulfide rubber |
| CN101724272A (en) * | 2009-12-09 | 2010-06-09 | 中国西电电气股份有限公司 | Silicon rubber for large-scale injection moulding vulcanization and preparation method thereof |
| CN102876046A (en) * | 2012-07-31 | 2013-01-16 | 深圳市森日有机硅材料有限公司 | Liquid silicon rubber composition and preparation method thereof |
| CN103923467A (en) * | 2014-04-30 | 2014-07-16 | 贵州航天精工制造有限公司 | Preparation method of silicone rubber material for rubber hoops |
-
2014
- 2014-11-18 CN CN201410659395.6A patent/CN105585848B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1061390A (en) * | 1960-02-19 | 1967-03-08 | Nitrochemie Ges Mit Beschraenk | Improvements in or relating to propellants |
| CN1410487A (en) * | 2002-11-26 | 2003-04-16 | 中国航天科技集团公司第九研究院七七一研究所 | Anti degradation room temperature silicon sulfide rubber |
| CN101724272A (en) * | 2009-12-09 | 2010-06-09 | 中国西电电气股份有限公司 | Silicon rubber for large-scale injection moulding vulcanization and preparation method thereof |
| CN102876046A (en) * | 2012-07-31 | 2013-01-16 | 深圳市森日有机硅材料有限公司 | Liquid silicon rubber composition and preparation method thereof |
| CN103923467A (en) * | 2014-04-30 | 2014-07-16 | 贵州航天精工制造有限公司 | Preparation method of silicone rubber material for rubber hoops |
Non-Patent Citations (3)
| Title |
|---|
| EUNG SOO KIM，等: "Improvement of the Adhesion Properties of Silicone Rubber by the Incorporation of Silane-Modified Montmorillonite", 《JOURNAL OF APPLIED POLYMER SCIENCE》 * |
| 吕百龄，等: "《实用橡胶手册》", 30 April 2010, 化学工业出版社 * |
| 陆建军，等: "用于复合材料成型的硅橡胶气囊的使用寿命评估", 《宇航材料工艺》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108329604A (en) * | 2018-01-29 | 2018-07-27 | 湖北华强科技有限责任公司 | A kind of liquid shell rubber pneumatic bag formula and preparation method thereof |
| CN111086128A (en) * | 2019-12-27 | 2020-05-01 | 湖北航聚科技有限公司 | Core mold for manufacturing solid rocket engine and forming method thereof |
| CN112318790A (en) * | 2020-09-09 | 2021-02-05 | 西安近代化学研究所 | Vulcanization molding process for high-viscosity silicon-based heat insulation layer |
| CN114933803A (en) * | 2021-09-03 | 2022-08-23 | 安徽立航复合材料科技有限公司 | High-hardness silicone rubber air bag for curing heat insulation layer of solid rocket engine |
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| CN105585848B (en) | 2019-08-02 |
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