CN105131438A - High-thermal-insulation ablation-resistant sizing material - Google Patents
High-thermal-insulation ablation-resistant sizing material Download PDFInfo
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- CN105131438A CN105131438A CN201510551122.4A CN201510551122A CN105131438A CN 105131438 A CN105131438 A CN 105131438A CN 201510551122 A CN201510551122 A CN 201510551122A CN 105131438 A CN105131438 A CN 105131438A
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- ablation
- sizing material
- resistance
- heat insulation
- flame retardant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a high-thermal-insulation ablation-resistant sizing material. Ethylene propylene terpolymer serves as the main material, flame retardant, synergistic effect flame retardant, reinforcing agents and active agents are matched to serve as auxiliary materials, the main material and the auxiliary materials are mixed according to a certain weight ratio, mixing is conducted through an internal mixer, a rubber compound is prepared out, and the rubber compound is prepared into semi-finished glue in an extruding mode through an extruder. Compared with the prior art, the high-thermal-insulation ablation-resistant sizing material has the advantages of being high in tensile strength, low in density, small in thermal conductivity, high in shearing strength with an enhancement layer material, high in adhesive strength with the enhancement layer material and the like and can be applied to the field of solid rocket engine internal insulation layer materials.
Description
Technical field
The present invention relates to a kind of heat insulation sizing material, particularly relate to a kind of high heat insulation sizing material of resistance to ablation.
Background technology
Interior thermal insulation material is the requisite important component part of solid propellant rocket, and it is that one deck between motor body and solid propellant is heat insulation, ablation resistant material.Its vital role is the integrity of protective housing structure in engine ignition working process, and protection motor body does not lose and burns by force, not in the environment of high temperature, high-pressure gas, thus ensures the normal work of engine; But it is again a part for engine passiveness quality.Current lagging material in density, tensile yield and ablation resistance all not ideal enough.
Terpolymer EP rubber not only has excellent heat-resisting, oxytolerant, resistance to ozone, weather-proof and ageing-resistant performance compared with other polydienes, and there is good chemicals-resistant, electrical insulating property, low-temperature performance, terpolymer EP rubber also has low density, high fillibility and hot water resistance and water-fast vapor permeability etc., also has good consistency with multiple superpolymer.In addition, also because it has, heat decomposition temperature is high, thermolysis heat absorption is large, heatproof air aging performance is good, fill factor is large, all have the advantages such as good consistency with multiple propelling agent and housing for terpolymer EP rubber.Very necessary with thermal insulation material in the motor body of high heat insulation, the resistance to ablation of terpolymer EP rubber development.
Summary of the invention
The object of the invention is to disclose a kind of high heat insulation sizing material of resistance to ablation, this sizing material has that tensile strength is high, density is low, thermal conductivity is little, with the shearing resistance of enhancement layer storeroom high and with the bond strength advantages of higher of enhancement layer storeroom, can be applicable to solid propellant rocket internal insulation Material Field.
For solving the technical problem of above-mentioned existence, the present invention adopts following scheme:
A kind of high heat insulation sizing material of resistance to ablation, be made up through mixer mixing of the following raw material by proportion by weight:
Rubber 100
Fire retardant 5 ~ 20
Synergistic flame retardant 5 ~ 20
Strengthening agent 10 ~ 40
Promoting agent 5 ~ 15
Softening agent 2 ~ 10
Vulcanizing agent 0.5 ~ 5
Promotor 0.5 ~ 5.
Described:
Rubber is terpolymer EP rubber;
Halogenated flame retardant is decabromodiphynly oxide, clorafin, TDE, hexabromocyclododecane and octabromodiphenyl ether;
Metal hydroxide combustion inhibitor comprises magnesium hydroxide, aluminium hydroxide and magnesium aluminum-hydrotalcite;
Phosphorus flame retardant comprises red phosphorus, ammonium polyphosphate, ammonium phosphate salt and melamine cyanurate;
Silicon-series five-retardant comprises polynite, talcum powder, silica gel, silicon-dioxide and polysiloxane;
Synergistic flame retardant is antimonous oxide, hypo-aluminum orthophosphate, diethyl hypo-aluminum orthophosphate, nano silicon;
Strengthening agent is precipitated silica;
Promoting agent is zinc oxide, stearic acid;
Softening agent is SA dioctyl ester, dioctyl phthalate (DOP) and paraffin oil;
Vulcanizing agent is common sulphur or insoluble sulfur;
Promotor is promotor ZDC, altax or Vulcanization accelerator TMTD.
The invention has the advantages that: sizing material has that tensile strength is high, density is low, thermal conductivity is little, with the shearing resistance of enhancement layer storeroom high and with the bond strength advantages of higher of enhancement layer storeroom, can be applicable to solid propellant rocket internal insulation Material Field, have great effect to the national economic development of China and national defence development.
embodiment:
3 embodiments of the present invention are described below, content of the present invention is further elaborated, but content of the present invention are not limited to this completely.
Embodiment 1:
A kind of high heat insulation sizing material of resistance to ablation, divides two sections by the raw material of following weight parts proportioning and carries out mixing forming in Banbury mixer:
The mass fraction of each component is: 100 parts of terpolymer EP rubbers, 10 parts of decabromodiphynly oxides, 10 parts of antimonous oxides, 30 parts of white carbon blacks, 5 parts of zinc oxide, 1 part of stearic acid, 0.32 part of surface treatment agent si69, paraffin oil 5 parts, 2 parts, common sulphur, 2 parts of promotor ZDC, 0.5 part of altax and 1.2 parts of Vulcanization accelerator TMTDs, even by mixer mixing.
The heat insulation sizing material of resistance to ablation of the height prepared, its mechanical property is in table 1.
Embodiment 2:
A kind of high heat insulation sizing material of resistance to ablation, divides two sections by the raw material of following weight parts proportioning and carries out mixing forming in Banbury mixer:
The mass fraction of each component is: 100 parts of terpolymer EP rubbers, 15 parts of decabromodiphynly oxides, 15 parts of antimonous oxides, 30 parts of white carbon blacks, 5 parts of zinc oxide, 1 part of stearic acid, 0.32 part of surface treatment agent si69, paraffin oil 6 parts, 2 parts, common sulphur, 2 parts of promotor ZDC, 0.5 part of altax and 1.2 parts of Vulcanization accelerator TMTDs, even by mixer mixing.
The heat insulation sizing material of resistance to ablation of the height prepared, its mechanical property is in table 1.
Embodiment 3:
A kind of high heat insulation sizing material of resistance to ablation, divides two sections by the raw material of following weight parts proportioning and carries out mixing forming in Banbury mixer:
The mass fraction of each component is: 100 parts of terpolymer EP rubbers, 20 parts of decabromodiphynly oxides, 20 parts of antimonous oxides, 35 parts of white carbon blacks, 5 parts of zinc oxide, 1 part of stearic acid, 0.5 part of surface treatment agent si69, paraffin oil 5 parts, 2 parts, common sulphur, 2 parts of promotor ZDC, 0.5 part of altax and 1.2 parts of Vulcanization accelerator TMTDs, even by mixer mixing.
The heat insulation sizing material of resistance to ablation of the height prepared, its mechanical property is in table 1.
Table 1: mechanical properties of rubber compound
Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
Cure conditions | 160 oC×50′ | 160 oC×50′ | 160 oC×50′ |
Tensile strength, MPa | 10.5 | 10.9 | 11.2 |
Tensile yield, % | 452 | 460 | 469 |
Density, Mg/m 3 | 0.93 | 0.96 | 1.02 |
Thermal conductivity, W/km | 0.12 | 0.10 | 0.097 |
Oxyacetylene ablation rate, mm/s | 0.096 | 0.094 | 0.091 |
With enhancement layer storeroom shearing resistance, MPa | 4.62 | 4.83 | 5.21 |
With enhancement layer material adhesion intensity, N/cm | 395 | 402 | 411 |
As can be seen from Table 1, along with the increase of amount of flame-retardant agent, density becomes large, and thermal conductivity and oxy-acetylene linear ablative rate all diminish, and meanwhile, shearing resistance, bond strength also all improve.Tensile strength becomes large with the increase of white carbon black consumption, maximumly can reach 11.2MPa.The heat insulation sizing material of resistance to ablation of height of the present invention's development has high tensile, low density, low heat conductivity, low oxy-acetylene linear ablative rate, shearing resistance and bond strength advantages of higher, can well be applied in ablation resistant material.
Claims (9)
1. the one kind high heat insulation sizing material of resistance to ablation, is characterized in that: be made up through mixer mixing of the following raw material by proportion by weight:
Rubber 100
Fire retardant 5 ~ 20
Synergistic flame retardant 5 ~ 20
Strengthening agent 10 ~ 40
Promoting agent 5 ~ 15
Softening agent 2 ~ 10
Vulcanizing agent 0.5 ~ 5
Promotor 0.5 ~ 5.
2. the heat insulation sizing material of resistance to ablation of height according to claim 1, is characterized in that: described rubber is terpolymer EP rubber.
3. the heat insulation sizing material of resistance to ablation of height according to claim 1, is characterized in that: described fire retardant is halogenated flame retardant, metal hydroxide combustion inhibitor, phosphorus flame retardant and silicon-series five-retardant.
4. the heat insulation sizing material of resistance to ablation of height according to claim 3, is characterized in that: described halogenated flame retardant comprises decabromodiphynly oxide, clorafin, TDE, hexabromocyclododecane and octabromodiphenyl ether;
Described metal hydroxide combustion inhibitor comprises magnesium hydroxide, aluminium hydroxide and magnesium aluminum-hydrotalcite;
Described phosphorus flame retardant comprises red phosphorus, ammonium polyphosphate, ammonium phosphate salt and melamine cyanurate;
Described silicon-series five-retardant comprises polynite, talcum powder, silica gel, silicon-dioxide and polysiloxane.
5. the heat insulation sizing material of resistance to ablation of height according to claim 1, is characterized in that: described synergistic flame retardant is antimonous oxide, hypo-aluminum orthophosphate, diethyl hypo-aluminum orthophosphate, nano silicon.
6. the heat insulation sizing material of resistance to ablation of height according to claim 1, is characterized in that: described strengthening agent is precipitated silica.
7. the heat insulation sizing material of resistance to ablation of height according to claim 1, is characterized in that: described promoting agent is zinc oxide, stearic acid.
8. the heat insulation sizing material of resistance to ablation of height according to claim 1, is characterized in that: described softening agent is SA dioctyl ester, dioctyl phthalate (DOP) and paraffin oil.
9. the heat insulation sizing material of resistance to ablation of height according to claim 1, is characterized in that: described vulcanizing agent is common sulphur or insoluble sulfur; Promotor is promotor ZDC, altax or Vulcanization accelerator TMTD.
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106751005A (en) * | 2016-01-21 | 2017-05-31 | 湖北航天化学技术研究所 | A kind of anti high overload ablation ethylene-propylene-diene monomer glue elasticity heat-insulating material |
CN106916562A (en) * | 2017-04-19 | 2017-07-04 | 林辉 | A kind of mould proof sealing neutral silicone resin and preparation method thereof |
CN107189234A (en) * | 2017-06-27 | 2017-09-22 | 苏州菱慧电子科技有限公司 | A kind of use in construction of door and window EPDM sizing materials |
CN107828096A (en) * | 2017-11-16 | 2018-03-23 | 西安长峰机电研究所 | A kind of high-elongation butyronitrile of resistance to ablation thermal insulation layer material and its manufacture method |
CN108250591A (en) * | 2018-01-25 | 2018-07-06 | 东莞市杜特橡胶制品有限公司 | A kind of high life EPDM pumps valve body material |
CN108264691A (en) * | 2018-01-18 | 2018-07-10 | 沈阳新飞宇橡胶制品有限公司 | A kind of low-temperature type halogen-free fireproof rubber and preparation method thereof |
CN108978341A (en) * | 2018-07-18 | 2018-12-11 | 内江师范学院 | A kind of good paper fire retardant of filming performance and preparation method thereof |
CN109651717A (en) * | 2018-12-24 | 2019-04-19 | 江阴海达橡塑股份有限公司 | A kind of method for repairing and mending of ethylene propylene diene rubber outer hood defect |
CN111739682A (en) * | 2020-07-31 | 2020-10-02 | 安徽华电线缆股份有限公司 | High-frequency high-anti-interference communication cable based on 5G base station and production method |
CN113004620A (en) * | 2021-04-08 | 2021-06-22 | 陕西科隆新材料科技股份有限公司 | Low-density ablation-resistant composite material and preparation method thereof |
CN114644796A (en) * | 2022-05-06 | 2022-06-21 | 中国化工集团曙光橡胶工业研究设计院有限公司 | Ablation-resistant rubber for aviation and preparation method and application thereof |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106751005B (en) * | 2016-01-21 | 2020-05-05 | 湖北航天化学技术研究所 | Ethylene propylene diene monomer elastic heat-insulating material capable of resisting high overload ablation |
CN106751005A (en) * | 2016-01-21 | 2017-05-31 | 湖北航天化学技术研究所 | A kind of anti high overload ablation ethylene-propylene-diene monomer glue elasticity heat-insulating material |
CN106916562A (en) * | 2017-04-19 | 2017-07-04 | 林辉 | A kind of mould proof sealing neutral silicone resin and preparation method thereof |
CN107189234A (en) * | 2017-06-27 | 2017-09-22 | 苏州菱慧电子科技有限公司 | A kind of use in construction of door and window EPDM sizing materials |
CN107828096A (en) * | 2017-11-16 | 2018-03-23 | 西安长峰机电研究所 | A kind of high-elongation butyronitrile of resistance to ablation thermal insulation layer material and its manufacture method |
CN108264691A (en) * | 2018-01-18 | 2018-07-10 | 沈阳新飞宇橡胶制品有限公司 | A kind of low-temperature type halogen-free fireproof rubber and preparation method thereof |
CN108250591A (en) * | 2018-01-25 | 2018-07-06 | 东莞市杜特橡胶制品有限公司 | A kind of high life EPDM pumps valve body material |
CN108978341A (en) * | 2018-07-18 | 2018-12-11 | 内江师范学院 | A kind of good paper fire retardant of filming performance and preparation method thereof |
CN108978341B (en) * | 2018-07-18 | 2020-12-01 | 内江师范学院 | Paper flame retardant with good film forming performance and preparation method thereof |
CN109651717A (en) * | 2018-12-24 | 2019-04-19 | 江阴海达橡塑股份有限公司 | A kind of method for repairing and mending of ethylene propylene diene rubber outer hood defect |
CN111739682A (en) * | 2020-07-31 | 2020-10-02 | 安徽华电线缆股份有限公司 | High-frequency high-anti-interference communication cable based on 5G base station and production method |
CN113004620A (en) * | 2021-04-08 | 2021-06-22 | 陕西科隆新材料科技股份有限公司 | Low-density ablation-resistant composite material and preparation method thereof |
CN113004620B (en) * | 2021-04-08 | 2023-08-15 | 陕西科隆新材料科技股份有限公司 | Low-density ablation-resistant composite material and preparation method thereof |
CN114644796A (en) * | 2022-05-06 | 2022-06-21 | 中国化工集团曙光橡胶工业研究设计院有限公司 | Ablation-resistant rubber for aviation and preparation method and application thereof |
CN114644796B (en) * | 2022-05-06 | 2023-10-20 | 中国化工集团曙光橡胶工业研究设计院有限公司 | Ablation-resistant rubber for aviation and preparation method and application thereof |
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