CN105835495A - Phase-change energy-storage flexible lightweight composite heat shroud and manufacturing method thereof - Google Patents
Phase-change energy-storage flexible lightweight composite heat shroud and manufacturing method thereof Download PDFInfo
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- CN105835495A CN105835495A CN201610198587.0A CN201610198587A CN105835495A CN 105835495 A CN105835495 A CN 105835495A CN 201610198587 A CN201610198587 A CN 201610198587A CN 105835495 A CN105835495 A CN 105835495A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0038—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving application of liquid to the layers prior to lamination, e.g. wet laminating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/52—Protection, safety or emergency devices; Survival aids
- B64G1/58—Thermal protection, e.g. heat shields
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
- B32B2255/102—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer synthetic resin or rubber layer being a foamed layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/28—Multiple coating on one surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/18—Aircraft
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Critical Care (AREA)
- Emergency Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a phase-change energy-storage flexible lightweight composite heat shroud. A base layer of the heat shroud is prepared from high-strength high-temperature adiabatic cloth which is provided with overlapping edges at the corners of an instrument; the outer surface of the high-strength high-temperature adiabatic cloth which is bonded with aramid cloth; the outer surface of the aramid cloth is brushed with continuous heat-insulation coating layers; a varnish layer is sprayed on the outer surface of the heat-insulation coating layers and on the end surfaces of the heat shroud; the outer surface of the varnish layer is bonded with aluminum foil composite heat-proof cloth; and the heat-insulation coating layers are composed of three layers, i.e., an insulating coating layer, a heat accumulation coating layer and a heat-proof coating layer from interior to exterior. A manufacturing method for the heat shroud comprises the following steps: preparation of the base layer of the heat shroud from the high-strength high-temperature adiabatic cloth; bonding of the aramid cloth; brushing of heat-insulation coatings and baking for curing; spraying of varnish on the outer surface of the heat-insulation coating layers and on the end surfaces of the heat shroud and baking for curing; and bonding of the aluminum foil composite heat-proof cloth with the varnish layer. The heat shroud provided by the invention is convenient to install, good in molding cooperation and stable in protection effect.
Description
Technical field
The present invention relates to one when aerospace craft is in long under height radiant heat flux technical conditions, heat shroud that instrument, instrumentation maintain in uniform temperature in ensureing aircraft and preparation method thereof.
Background technology
Novel power system and the critical material that the thermally protective materials used by thermal protection system reentering the aircraft such as formula aircraft, near space vehicle, space probe vehicle is development and design.Thermally protective materials is even more important for the telemetry control system of aircraft, and its protection effect is directly connected to the flight precision of aircraft, flight attitude etc..
Along with development and the development of high thrust carrier rocket, the research that deepens continuously of supersonic vehicle, requirements at the higher level are proposed the heat insulation material needed for telemetry control system.
Aircraft is in flight course, instrument in aircraft nacelle, the thermally protective materials of instrumentation are in a kind of contradiction state: ambient temperature to be protected is to instrument, the heat transfer of instrumentation, ensure that the heat that instrument, instrumentation produce because of self work is able to Quick diffusing simultaneously again, prevent heat from assembling and cause thermally protective materials to lose efficacy.Furthermore, in nacelle, space is the narrowest and small, and built-in instrument, instrumentation are different, to thermally protective materials require flexible light weight, without fifth wheel, be easily installed.
Summary of the invention
The technical problem to be solved in the present invention is to provide and a kind of solar heat protection the phase-change accumulation energy flexible light weight of heat accumulation can be combined heat shroud and preparation method thereof again.
For solving above-mentioned technical problem, the technical scheme that the present invention is combined heat shroud about phase-change accumulation energy flexible light weight is: it is made the bottom of heat shroud by high-strength high-temperature adiabatic cloth, described high-strength high-temperature adiabatic cloth has overlap edge in the corner of instrument and meter, outer surface at high-strength high-temperature adiabatic cloth is pasted with aramid fabric, the outer surface of described aramid fabric is painted with continuous print adiabatic coating layer, outer at this adiabatic coating layer and heat shroud end face is coated with layer of varnish, has aluminium foil to be combined solar heat protection cloth at this layer of varnish external pasting；Described adiabatic coating layer by up of three layers, the most respectively insulating moulding coating layer, accumulation of heat dope layer, heat-resistant paint layer.
Preferably, described high-strength high-temperature adiabatic cloth thickness is 0.1-0.2mm, and the thickness of described insulating moulding coating layer is 0.4-0.6mm, and the thickness of described accumulation of heat dope layer and heat-resistant paint layer is 0.5-0.7mm.
Preferably, described aramid fabric is 1414 aramid fabric, and described layer of varnish is chlorosulfonated polyethylene varnish.
Further, described heat shroud is provided with stop hole and lacing hole, and running through in described lacing hole has rustless steel glass cord.
The present invention comprises the following steps that about the manufacture method of heat shroud: 1. make mould；2. make the bottom of heat shroud of high-strength high-temperature adiabatic cloth according to mould；3. the outer surface at high-strength high-temperature adiabatic cloth glues note aramid fabric；4. brushing insulating moulding coating, accumulation of heat coating, heat-resistant paint baking-curing successively in the outside of aramid fabric；5. rush stop hole and lacing hole according to drawing in heat shroud predetermined portion, crack；6. outer at adiabatic coating layer and the end face lacquer varnish of heat shroud baking-curing；7. on layer of varnish, paste aluminium foil be combined solar heat protection cloth；8. lacing hole is run through with rustless steel glass cord.
4. described step is to brush swabbing at the outer surface palm fiber of aramid fabric, brushing paint about thickens 0.03-0.06mm every time, after brushing, product is placed in temperature and is 20-30 DEG C, relative humidity dries naturally less than in the room of 65%, time is 10-15 minute, the product naturally dried is placed in 120 DEG C of electrical heating casees baking 40-60 minute again, coating is made to be fully cured, then brushing next time and solidification are carried out, so the thickness of insulating moulding coating layer is repeatedly made to reach 0.5mm, the thickness of accumulation of heat dope layer reaches 0.5mm, the thickness of heat-resistant paint coating reaches 0.6mm.
The varnish that 6. described step is sprayed is chlorosulfonated polyethylene varnish, the protective jacket having sprayed varnish is placed under 100-120 DEG C of temperature environment baking 30-40 minute, it is ensured that chlorosulfonated polyethylene is varnish curing.
Use that manufacture method of the present invention produces long time heatproof Low emissivity heat shroud, easy for installation, molding conformability is good, protection effect is stable, can keep 800s under anti-heat request is 20-40KW/m2 heat-flux conditions, in heat shroud, instrument, instrument surface temperature are less than 70 DEG C.
Accompanying drawing explanation
Fig. 1 is the structural representation that phase-change accumulation energy flexible light weight of the present invention is combined heat shroud.
Detailed description of the invention
As shown in Figure 1, the preferred embodiment that the present invention is combined heat shroud about phase-change accumulation energy flexible light weight is: the bottom being made up heat shroud of the high-strength high-temperature adiabatic cloth 1 that 0.15mm is thick is wrapped on mould 8, described high-strength high-temperature adiabatic cloth 1 has overlap edge in the corner of instrument and meter, outer surface at high-strength high-temperature adiabatic cloth 1 is pasted with 1414 aramid fabric 2, the outer surface of described 1414 aramid fabric 2 is painted with continuous print adiabatic coating layer, described adiabatic coating layer is by up of three layers, from inside to outside it is respectively the thick insulating moulding coating layer 3 of 0.5mm, the accumulation of heat dope layer 4 that 0.6mm is thick, the heat-resistant paint layer 5 that 0.6mm is thick, outer at heat-resistant paint layer and heat shroud end face is coated with chlorosulfonated polyethylene layer of varnish 6, aluminium foil is had to be combined solar heat protection cloth 7 at this layer of varnish external pasting；Described heat shroud is provided with stop hole and lacing hole, and running through in described lacing hole has rustless steel glass cord.
The manufacture method that the present invention is combined heat shroud about phase-change accumulation energy flexible light weight comprises the following steps that:
(1) mould is made
By Customer design department provide need to protect instrument, instrument, the size drawing of equipment, according to drawing processing mold；
(2) high intensity high-strength high-temperature adiabatic cloth presses mould expanded view cutting
By mould expanded view cutting high intensity high-strength high-temperature adiabatic cloth, choose the best alternatives, control the generation of fifth wheel；
(3) lap-joint's brushing bonded adhesives
504 seccotines being pressed A:B=2:1 mix homogeneously, brushes lap-joint at high intensity high-strength high-temperature adiabatic cloth after keeping 10-15 minute in 25 DEG C of temperature environments, lap-joint is away from back gauge 15mm；
(4) Overmolded on mould
High intensity high-strength high-temperature adiabatic cloth is coated with on mould, forms the bottom of heat shroud, fix with transparent adhesive tape and drawing pin；
(5) 1414 aramid fabric press mould expanded view cutting
By mould expanded view cutting 1414 aramid fabric, choose the best alternatives, control the generation of fifth wheel；
(6) lap-joint's brushing bonded adhesives
504 seccotines being pressed A:B=2:1 mix homogeneously, brushes lap-joint at high intensity high-strength high-temperature adiabatic cloth after keeping 10-15 minute in 25 DEG C of temperature environments, lap-joint is away from back gauge 15mm；
(7) the viscous note of cladding
It is posted on viscous for 1414 aramid fabric claddings on the high intensity high-strength high-temperature adiabatic cloth of molding；
(8) brushing insulating moulding coating
With palm fiber brush brushing insulating moulding coating on 1414 aramid fabric, it is ensured that without current mark, each brushing paint about thickens 0.03-0.06mm；
(9) dry
After brushing, product is placed in temperature be 20-30 DEG C, relative humidity naturally dry less than in the room of 65%, the time is 15 minutes；
(10) baking-curing
Naturally the product dried is placed in 120 DEG C of electrical heating casees baking 40-60 minute, makes product be fully cured, it is to avoid because the time limit produces tacky phenomenon；Step (8)-(10) repeatedly, make the gross thickness of insulating moulding coating layer reach 0.5mm；
(11) repair, clean
Surfaces externally and internally is carried out surface process, rejects fifth wheel；
(12) brushing accumulation of heat coating
With palm fiber brush brushing accumulation of heat coating on the insulating moulding coating layer of solidification, it is ensured that without current mark, each brushing paint about thickens 0.03-0.06mm；
(13) dry
After brushing, product is placed in temperature be 20-30 DEG C, relative humidity naturally dry less than in the room of 65%, the time is 15 minutes；
(14) baking-curing
Naturally the product dried is placed in 120 DEG C of electrical heating casees baking 40-60 minute, makes product be fully cured, it is to avoid because the time limit produces tacky phenomenon；Step (12)-(14) repeatedly, make the gross thickness of insulating moulding coating layer reach 0.6mm；
(15) repair, clean
Surfaces externally and internally is carried out surface process, rejects fifth wheel；
(16) heat-resistant paint is brushed
With palm fiber brush brushing heat-resistant paint on the accumulation of heat dope layer of solidification, it is ensured that without current mark, each brushing paint about thickens 0.03-0.06mm；
(17) dry
After brushing, product is placed in temperature be 20-30 DEG C, relative humidity naturally dry less than in the room of 65%, the time is 15 minutes；
(18) baking-curing
Naturally the product dried is placed in 120 DEG C of electrical heating casees baking 40-60 minute, makes product be fully cured, it is to avoid because the time limit produces tacky phenomenon；Step (12)-(14) repeatedly, make the gross thickness of insulating moulding coating layer reach 0.6mm；
(19) repair, clean
Surfaces externally and internally is carried out surface process, rejects fifth wheel；
(20) according to drawing requirement setting-out, it is cut to given size, rushes stop hole and lacing hole according to drawing in predetermined portion, crack；
(21) spraying chlorosulfonated polyethylene varnish；(22) at a temperature of 100-120 DEG C, toast 30-40 minute, it is ensured that chlorosulfonated polyethylene is varnish curing；
(23) aluminium foil is combined solar heat protection cloth to cut out by the heat shroud of molding, sticks on product；
(24) by drawing, identify at predetermined portion alkyd resin coating lettering；
(25) running through lacing hole with rustless steel glass cord by drawing, long position binding is agglomerating, unties during installation.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can realize with alternate manner, and on the premise of conceiving without departing from the technical program, any obvious replacement is all within protection scope of the present invention.
In order to allow those of ordinary skill in the art understand the present invention improvements relative to prior art more easily, some accompanying drawings of the present invention and description have been simplified, and for the sake of clarity, present specification is omitted some other elements, and those of ordinary skill in the art it is to be appreciated that these elements omitted also may make up present disclosure.
Claims (8)
1. a phase-change accumulation energy flexible light weight is combined heat shroud, it is made the bottom of heat shroud by high-strength high-temperature adiabatic cloth (1), described high-strength high-temperature adiabatic cloth (1) has overlap edge in the corner of instrument and meter, it is characterized in that: the outer surface at high-strength high-temperature adiabatic cloth (1) is pasted with aramid fabric (2), the outer surface of described aramid fabric (2) is painted with continuous print adiabatic coating layer, outer at this adiabatic coating layer and heat shroud end face is coated with layer of varnish (6), has aluminium foil to be combined solar heat protection cloth (7) at this layer of varnish (6) external pasting；Described adiabatic coating layer by up of three layers, the most respectively insulating moulding coating layer (3), accumulation of heat dope layer (4), heat-resistant paint layer (5).
Phase-change accumulation energy flexible light weight the most according to claim 1 is combined heat shroud, it is characterized in that: described high-strength high-temperature adiabatic cloth (1) thickness is 0.1-0.2mm, the thickness of described insulating moulding coating layer (3) is 0.4-0.6mm, and the thickness of described accumulation of heat dope layer (4) and heat-resistant paint layer (5) is 0.5-0.7mm.
Phase-change accumulation energy flexible light weight the most according to claim 1 and 2 is combined heat shroud, it is characterised in that: described aramid fabric (2) is 1414 aramid fabric, and described layer of varnish (6) is chlorosulfonated polyethylene varnish.
Phase-change accumulation energy flexible light weight the most according to claim 1 and 2 is combined heat shroud, it is characterised in that: described heat shroud is provided with stop hole and lacing hole, and running through in described lacing hole has rustless steel glass cord.
Phase-change accumulation energy flexible light weight the most according to claim 3 is combined heat shroud, it is characterised in that: described heat shroud is provided with stop hole and lacing hole, and running through in described lacing hole has rustless steel glass cord.
6. a phase-change accumulation energy flexible light weight is combined the manufacture method of heat shroud, it is characterised in that comprise the following steps that:
1. mould is made；
2. make the bottom of heat shroud of high-strength high-temperature adiabatic cloth according to mould；
3. the outer surface at high-strength high-temperature adiabatic cloth glues note aramid fabric；
4. brushing insulating moulding coating, accumulation of heat coating, heat-resistant paint baking-curing successively in the outside of aramid fabric；
5. rush stop hole and lacing hole according to drawing in heat shroud predetermined portion, crack；
6. outer at adiabatic coating layer and the end face lacquer varnish of heat shroud baking-curing；
7. on layer of varnish, paste aluminium foil be combined solar heat protection cloth；
8. lacing hole is run through with rustless steel glass cord.
The manufacture method of heat shroud the most according to claim 6, it is characterized in that: 4. described step is to brush swabbing at the outer surface palm fiber of aramid fabric, brushing paint about thickens 0.03-0.06mm every time, after brushing, product is placed in temperature and is 20-30 DEG C, relative humidity dries naturally less than in the room of 65%, time is 10-15 minute, the product naturally dried is placed in 120 DEG C of electrical heating casees baking 40-60 minute again, coating is made to be fully cured, then brushing next time and solidification are carried out, so the thickness of insulating moulding coating layer is repeatedly made to reach 0.5mm, the thickness of accumulation of heat dope layer reaches 0.5mm, the thickness of heat-resistant paint coating reaches 0.6mm.
8. according to the manufacture method of the heat shroud described in claim 6 or 7, it is characterized in that: the varnish that 6. described step is sprayed is chlorosulfonated polyethylene varnish, the protective jacket having sprayed varnish is placed under 100-120 DEG C of temperature environment baking 30-40 minute, it is ensured that chlorosulfonated polyethylene is varnish curing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610198587.0A CN105835495A (en) | 2016-04-01 | 2016-04-01 | Phase-change energy-storage flexible lightweight composite heat shroud and manufacturing method thereof |
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| CN201610198587.0A CN105835495A (en) | 2016-04-01 | 2016-04-01 | Phase-change energy-storage flexible lightweight composite heat shroud and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357108A (en) * | 2018-12-14 | 2019-02-19 | 湖南星鑫航天新材料股份有限公司 | Compound heat shroud of a kind of flexibility special type and preparation method thereof |
| CN109397802A (en) * | 2018-12-14 | 2019-03-01 | 湖南星鑫航天新材料股份有限公司 | A kind of flexible compound solar heat protection casing and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357108A (en) * | 2018-12-14 | 2019-02-19 | 湖南星鑫航天新材料股份有限公司 | Compound heat shroud of a kind of flexibility special type and preparation method thereof |
| CN109397802A (en) * | 2018-12-14 | 2019-03-01 | 湖南星鑫航天新材料股份有限公司 | A kind of flexible compound solar heat protection casing and preparation method thereof |
| CN109397802B (en) * | 2018-12-14 | 2024-03-19 | 湖南星鑫航天新材料股份有限公司 | Flexible composite heat-proof sleeve and application thereof |
| CN109357108B (en) * | 2018-12-14 | 2024-04-02 | 湖南星鑫航天新材料股份有限公司 | Flexible special composite heat-proof sleeve and manufacturing method thereof |
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Application publication date: 20160810 |