CN107141528A - Rocket engine PAA/ asbestos composite cable sealing sheaths and preparation method thereof - Google Patents
Rocket engine PAA/ asbestos composite cable sealing sheaths and preparation method thereof Download PDFInfo
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- CN107141528A CN107141528A CN201710430915.XA CN201710430915A CN107141528A CN 107141528 A CN107141528 A CN 107141528A CN 201710430915 A CN201710430915 A CN 201710430915A CN 107141528 A CN107141528 A CN 107141528A
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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
- C08L7/00—Compositions of natural rubber
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of rocket engine PAA/ asbestos composite cable sealing sheaths and preparation method thereof, the preparation method includes:1) methacrylonitrile, VTES, ABVN and silica carry out haptoreaction scion grafting silica is made;2) natural rubber, sulphur, PAA, vaseline, rare earth oxide, nano-ceramic particle, isopropanol, triethanolamine and scion grafting silica are kneaded that mixture is made;3) mixture is filled between multilayer asbestos layer, is then cooled and shaped that rocket engine PAA/ asbestos composite cable sealing sheaths are made.The rocket engine has excellent ageing resistace with PAA/ asbestos composite cable sealing sheaths, while the preparation method process is simple and raw material is easy to get.
Description
Technical field
The present invention relates to cable fitting, in particular it relates to rocket engine with PAA/ asbestos composite cable sealing sheaths and
Its preparation method.
Background technology
Cable is mainly made up of following four part.Conductor wire core:It is made of high conductivity material (copper or aluminium).According to laying
Requirement of the use condition to cable softness, every core may be formed by solid conductor or multiple conducting wires are stranded;Insulating barrier:
Insulating materials as cable should have high insulaion resistance, high breakdown field strength, low dielectric loss and low Jie
Electric constant.Sealing sheath:Insulated wire cores are protected from the damage of machinery, moisture, moisture, chemical substance, light etc..For moisture-sensitive
Insulation, it is general to use lead or aluminium extrusion sealing sheath;Protect coating:To protect sealing sheath from mechanical damage.
Although existing sealing sheath disclosure satisfy that the requirement of existing cable for aviation, but during aviation, it is past
It is past to occur because the radiation of ultraviolet causes its aging, and then influence the protecting effect of sealing sheath.
The content of the invention
It is an object of the invention to provide a kind of rocket engine PAA/ asbestos composite cable sealing sheaths and its preparation side
Method, the rocket engine has excellent ageing resistace with PAA/ asbestos composite cable sealing sheaths, while the preparation method
Process is simple and raw material is easy to get.
To achieve these goals, the invention provides a kind of rocket engine PAA/ asbestos composite cable sealing sheaths
Preparation method, including:
1) methacrylonitrile, VTES, ABVN and silica carry out haptoreaction with
Scion grafting silica is made;
2) by natural rubber, sulphur, PAA, vaseline, rare earth oxide, nano-ceramic particle, isopropanol, triethanolamine
Kneaded that mixture is made with scion grafting silica;
3) mixture is filled between multilayer asbestos layer, is then cooled and shaped that rocket engine PAA/ asbestos are made
Composite cable sealing sheath.
Present invention also offers a kind of rocket engine PAA/ asbestos composite cable sealing sheaths, the rocket engine is used
PAA/ asbestos composite cable sealing sheaths are prepared by above-mentioned preparation method.
In the above-mentioned technical solutions, the present invention passes through each raw material and each step synergy and then so that obtained fire
Arrow engine has excellent ageing resistace with PAA/ asbestos composite cable sealing sheaths, while the preparation method process is simple
And raw material is easy to get.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points and any value of disclosed scope are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
The invention provides a kind of preparation method of rocket engine with PAA/ asbestos composite cable sealing sheaths, including:
1) methacrylonitrile, VTES, ABVN and silica carry out haptoreaction with
Scion grafting silica is made;
2) by natural rubber, sulphur, PAA (polyacrylic acid), vaseline, rare earth oxide, nano-ceramic particle, isopropyl
Alcohol, triethanolamine and scion grafting silica are kneaded that mixture is made;
3) mixture is filled between multilayer asbestos layer, is then cooled and shaped that rocket engine PAA/ asbestos are made
Composite cable sealing sheath.
In the step 1 of above-mentioned preparation method) in, the consumption of each material can be selected in wide scope, but in order that
Obtained rocket engine has more excellent ageing resistace with PAA/ asbestos composite cables sealing sheath, it is preferable that in step
It is rapid 1) in, relative to the silica of 100 parts by weight, the consumption of methacrylonitrile is 25-30 parts by weight, vinyl triethoxyl
The consumption of silane is 2-5 parts by weight, and the consumption of ABVN is 0.8-2 parts by weight.
In the step 1 of above-mentioned preparation method) in, catalytic condition can be selected in wide scope, but in order to
Make obtained rocket engine PAA/ asbestos composite cables sealing sheath that there is more excellent ageing resistace, it is preferable that
Step 1) in, haptoreaction at least meets following condition:Reaction temperature is 75-90 DEG C, and the reaction time is 10-14h.
In the step 2 of above-mentioned preparation method) in, the consumption of each material can be selected in wide scope, but in order that
Obtained rocket engine has more excellent ageing resistace with PAA/ asbestos composite cables sealing sheath, it is preferable that in step
It is rapid 2) in, relative to the natural rubber of 100 parts by weight, the consumption of sulphur is 1-3 parts by weight, and PAA consumption is 40-45 weight
Part, the consumption of vaseline is 15-40 parts by weight, and the consumption of rare earth oxide is 3-6 parts by weight, and the consumption of nano-ceramic particle is
0.5-2 parts by weight, the consumption of isopropanol is 40-55 parts by weight, and the consumption of triethanolamine is 20-28 parts by weight, scion grafting titanium dioxide
The consumption of silicon is 12-16 parts by weight.
In the step 2 of above-mentioned preparation method) in, the condition of mixing can be selected in wide scope, but in order that system
The rocket engine obtained has more excellent ageing resistace with PAA/ asbestos composite cables sealing sheath, it is preferable that in step
2) in, mixing at least meets following condition:Melting temperature is 220-230 DEG C, and mixing time is 3-6h.
In the step 2 of above-mentioned preparation method) in, the species of rare earth oxide can be selected in wide scope, but be
Make obtained rocket engine PAA/ asbestos composite cables sealing sheath that there is more excellent ageing resistace, it is preferable that
In step 2) in, rare earth oxide is selected from least one of cerium oxide, praseodymium oxide, gadolinium oxide, dysprosia and erbium oxide.
In the step 3 of above-mentioned preparation method) in, the consumption of raw material can be selected in wide scope, but in order that system
The rocket engine obtained has more excellent ageing resistace with PAA/ asbestos composite cables sealing sheath, it is preferable that in step
3) in, relative to the mixture of 100 parts by weight, the consumption of asbestos layer is 2-3 parts by weight.
In the step 3 of above-mentioned preparation method) in, the distance between two layers adjacent of asbestos layer can be selected in wide scope
Select, but in order that obtained rocket engine has more excellent ageing resistance with PAA/ asbestos composite cables sealing sheath
Can, it is preferable that in step 3) in, the distance between two layers adjacent of asbestos layer is 3-5mm.
Present invention also offers a kind of rocket engine PAA/ asbestos composite cable sealing sheaths, the rocket engine is used
PAA/ asbestos composite cable sealing sheaths are prepared by above-mentioned preparation method.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) silica, methacrylonitrile, VTES and ABVN are according to 100:28:4:
1.5 weight ratio is in progress haptoreaction 12h at 80 DEG C with obtained scion grafting silica;
2) by natural rubber, sulphur, PAA, vaseline, rare earth oxide (cerium oxide), nano-ceramic particle, isopropanol,
Triethanolamine and scion grafting silica are according to 100:2:42:30:4:1.5:48:24:14 weight ratio is 4h in mixing at 225 DEG C
So that mixture is made;
3) mixture is filled between multilayer asbestos layer to (weight between mixture, multilayer asbestos layer compares 100:2.5,
The distance between two layers adjacent of asbestos layer is 4mm), then natural cooling shaping is multiple with PAA/ asbestos so that rocket engine is made
Close cable seal sheath A1.
Embodiment 2
1) silica, methacrylonitrile, VTES and ABVN are according to 100:25:2:
0.8 weight ratio is in progress haptoreaction 10h at 75 DEG C with obtained scion grafting silica;
2) by natural rubber, sulphur, PAA, vaseline, rare earth oxide (gadolinium oxide), nano-ceramic particle, isopropanol,
Triethanolamine and scion grafting silica are according to 100:1:40:15:3:0.5:40:20:12 weight ratio is 3h in mixing at 220 DEG C
So that mixture is made;
3) mixture is filled between multilayer asbestos layer to (weight between mixture, multilayer asbestos layer compares 100:2, phase
The distance between two layers adjacent of asbestos layer is 3mm), then natural cooling shaping is compound with PAA/ asbestos so that rocket engine is made
Cable seal sheath A2.
Embodiment 3
1) silica, methacrylonitrile, VTES and ABVN are according to 100:30:5:2
Weight ratio at 90 DEG C carry out haptoreaction 14h be made scion grafting silica;
2) by natural rubber, sulphur, PAA, vaseline, rare earth oxide (erbium oxide), nano-ceramic particle, isopropanol,
Triethanolamine and scion grafting silica are according to 100:3:45:40:6:2:55:28:16 weight ratio at 230 DEG C mixing for 6h with
Mixture is made;
3) mixture is filled between multilayer asbestos layer to (weight between mixture, multilayer asbestos layer compares 100:3, phase
The distance between two layers adjacent of asbestos layer is 5mm), then natural cooling shaping is compound with PAA/ asbestos so that rocket engine is made
Cable seal sheath A3.
Comparative example 1
Method according to embodiment 1 carries out that cable seal sheath B1 is made, unlike, step 1) in titanium dioxide is not used
Silicon.
Comparative example 2
Method according to embodiment 1 carries out that cable seal sheath B2 is made, unlike, step 1) in methyl-prop is not used
Alkene nitrile.
Comparative example 3
Method according to embodiment 1 carries out that cable seal sheath B3 is made, unlike, step 1) in vinyl is not used
Triethoxysilane.
Comparative example 4
Method according to embodiment 1 carries out that cable seal sheath B4 is made, unlike, step 1) in titanium dioxide is not used
Silicon, VTES.
Comparative example 5
Method according to embodiment 1 carries out that cable seal sheath B5 is made, unlike, step 1) in titanium dioxide is not used
Silicon, methacrylonitrile.
Detect example 1
The tensile strength 1 (MPa) of above-mentioned cable seal sheath is detected, above-mentioned cable seal sheath is then placed in 500w's
Irradiated 30 days under uviol lamp, then detect its tensile strength 2 (MPa), concrete outcome is shown in Table 1.
Table 1
Tensile strength 1 (MPa) | Tensile strength 2 (MPa) | |
A1 | 62 | 58 |
A2 | 60 | 57 |
A3 | 61 | 58 |
B1 | 42 | 32 |
B2 | 40 | 33 |
B3 | 46 | 34 |
B4 | 23 | 10 |
B5 | 25 | 12 |
By above-described embodiment, comparative example and detection example, the cable seal sheath that the present invention is provided has excellent
Mechanical property and ageing resistace.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (9)
1. a kind of rocket engine preparation method of PAA/ asbestos composite cable sealing sheaths, it is characterised in that including:
1) methacrylonitrile, VTES, ABVN and silica carry out haptoreaction to be made
Scion grafting silica;
2) by natural rubber, sulphur, PAA, vaseline, rare earth oxide, nano-ceramic particle, isopropanol, triethanolamine and institute
Scion grafting silica is stated to be kneaded that mixture is made;
3) mixture is filled between multilayer asbestos layer, is then cooled and shaped that the rocket engine PAA/ is made
Asbestos composite cable sealing sheath.
2. preparation method according to claim 1, wherein, in step 1) in, relative to the titanium dioxide of 100 parts by weight
Silicon, the consumption of the methacrylonitrile is 25-30 parts by weight, and the consumption of the VTES is 2-5 parts by weight,
The consumption of the ABVN is 0.8-2 parts by weight.
3. preparation method according to claim 1, wherein, in step 1) in, the haptoreaction at least meets following bar
Part:Reaction temperature is 75-90 DEG C, and the reaction time is 10-14h.
4. the preparation method according to any one in claim 1-3, wherein, in step 2) in, relative to 100 parts by weight
The natural rubber, the consumption of the sulphur is 1-3 parts by weight, and the consumption of the PAA is 40-45 parts by weight, all scholars
The consumption of woods is 15-40 parts by weight, and the consumption of the rare earth oxide is 3-6 parts by weight, the consumption of the nano-ceramic particle
For 0.5-2 parts by weight, the consumption of the isopropanol is 40-55 parts by weight, and the consumption of the triethanolamine is 20-28 parts by weight,
The consumption of the scion grafting silica is 12-16 parts by weight.
5. preparation method according to claim 4, wherein, in step 2) in, the mixing at least meets following condition:It is mixed
It is 220-230 DEG C to refine temperature, and mixing time is 3-6h.
6. preparation method according to claim 4, wherein, in step 2) in, the rare earth oxide is selected from cerium oxide, oxygen
Change at least one of praseodymium, gadolinium oxide, dysprosia and erbium oxide.
7. the preparation method according to claim 5 or 6, wherein, in step 3) in, it is described mixed relative to 100 parts by weight
Thing is refined, the consumption of the asbestos layer is 2-3 parts by weight.
8. preparation method according to claim 7, wherein, in step 3) in, the distance between two layers adjacent of asbestos layer
For 3-5mm.
9. a kind of rocket engine PAA/ asbestos composite cable sealing sheaths, it is characterised in that the rocket engine is used
PAA/ asbestos composite cable sealing sheaths are prepared by the preparation method described in any one in claim 1-8.
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CN201710430915.XA CN107141528A (en) | 2017-06-09 | 2017-06-09 | Rocket engine PAA/ asbestos composite cable sealing sheaths and preparation method thereof |
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CN201710430915.XA CN107141528A (en) | 2017-06-09 | 2017-06-09 | Rocket engine PAA/ asbestos composite cable sealing sheaths and preparation method thereof |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1511162A (en) * | 2001-04-10 | 2004-07-07 | ���ǻ�ѧ��˾ | Polysulphide organosilioxanes which can be used as coupling agents, elastomer compositions containing same and elastomer articles prepared from said compositions |
CN104479225A (en) * | 2014-12-23 | 2015-04-01 | 安庆市悦发管业有限公司 | Modified PP (polypropylene) pipe with excellent impact resistance |
CN104744881A (en) * | 2015-03-13 | 2015-07-01 | 芜湖航天特种电缆厂 | Warping tape surface adhesion material and preparation method thereof as well as warping tape and preparation method thereof |
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2017
- 2017-06-09 CN CN201710430915.XA patent/CN107141528A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1511162A (en) * | 2001-04-10 | 2004-07-07 | ���ǻ�ѧ��˾ | Polysulphide organosilioxanes which can be used as coupling agents, elastomer compositions containing same and elastomer articles prepared from said compositions |
CN104479225A (en) * | 2014-12-23 | 2015-04-01 | 安庆市悦发管业有限公司 | Modified PP (polypropylene) pipe with excellent impact resistance |
CN104744881A (en) * | 2015-03-13 | 2015-07-01 | 芜湖航天特种电缆厂 | Warping tape surface adhesion material and preparation method thereof as well as warping tape and preparation method thereof |
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