CN107513241A - Undersea detection high-strength composite cable seal sheath and preparation method thereof - Google Patents
Undersea detection high-strength composite cable seal sheath and preparation method thereof Download PDFInfo
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- CN107513241A CN107513241A CN201710815849.8A CN201710815849A CN107513241A CN 107513241 A CN107513241 A CN 107513241A CN 201710815849 A CN201710815849 A CN 201710815849A CN 107513241 A CN107513241 A CN 107513241A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
- B29B7/286—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control measuring properties of the mixture, e.g. temperature, density
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- 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
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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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of undersea detection high-strength composite cable seal sheath, it is made up of the processing step and raw material that control undersea detection high-strength composite cable seal sheath, a kind of undersea detection high-strength composite cable seal sheath is prepared for using secondary banburying, once a mill, extrusion and the technique of microwave vulcanization.The composite cable sealing sheath dispensing of the present invention is through secondary banburying, once a mill, extrusion and microwave vulcanization, especially in the case of high 22 37 DEG C of the mixing temperature of secondary mixing temperature than one time, the cable seal sheath intensity and corrosion resistance of preparation, which have, to be obviously improved.Moreover, the preparation method of the cable seal sheath is simple, easy to spread, has higher application value.
Description
Technical field
The present invention relates to cable seal sheath, in particular it relates to undersea detection with high-strength composite cable seal sheath and
Its preparation method.
Background technology
At present, with the development of science and technology, either industry or the daily life of the mankind, towards electrified side
To development, then in industry and power domain, its status is also gradually increased cable.Cable have power cable, control cable,
Compensating cable, shielded cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resisting cable, cable for ship, aluminium
Alloy cable etc..Cable is typically by several or the cable of at least two similar ropes being twisted of several groups of every group of wires,
Mutually insulated between every group of wire, and be often twisted into around a center, whole outside is surrounded by the sealing sheath of high-insulation, uses
To connect circuit, electrical equipment etc..
With the variation of water quality in recent years, no matter underwater detection equipment cable or buried cable are by certain shadow
To ring, the harmful substance in water increases, the life-span for shortening cable largely, simultaneously because the polytropy of underwater environment,
Undersea detection may also carry the effect of trailing equipment with cable, thus be accordingly used in the strong of undersea detection composite cable sealing sheath
Degree demand is higher than the sealing sheath of general cable, it is desirable to which composite cable sealing sheath not only has higher intensity, also to have
Stronger corrosion resistance, and it is anti-aging.
Publication No. CN103849084B patent document disclose a kind of waterproof flame retardant restrictive coating for cable and its
Manufacturing process, waterproof flame retardant PVC cable material are made up of the component of following parts by weight：100 parts of polyvinyl chloride, trioctyl trimellitate (TOTM)
20-30 parts, phthalic acid isodecyl ester 15-25 parts, environmentally friendly calcium-zinc composite stabilizing agent 5-10 parts, compound rare-earth stabilizer 5-10
Part, antimony oxide 4-8 parts, lubricant 0.3-1 parts, antioxidant 0.1-0.5 parts, nano barium sulfate 3.5-7 parts, calcined kaolin
2.6-5.2 parts, nano silicon 3.5-7 parts, silane coupler 0.18-0.36 parts；The silane coupler is vinyl three
('beta '-methoxy ethyoxyl) silane, vinyltrimethoxy silane or γ-glycidyl ether oxygen propyl trimethoxy silicane, drop
The low water imbibition of the coat layer of power cable, product use under moist or water-immerged environment, and it is stable to further increase electric property, base
This does not produce change, improves the tight ness rating of product, excludes material micropore.It is mainly using selection hydrophobic material.It is pre- to pulvis de-
Surface coating processing is carried out after water, improves the hydrophobic performance of product, but due to using substantial amounts of dust diluent, the tension of material
Intensity is not high, also, material soaked in acid-base property water after performance cannot guarantee that.
The content of the invention
The invention aims to solve composite cable sealing sheath low intensity, not corrosion-resistant etc. existing for prior art
Technical problem, and a kind of high intensity provided and corrosion resistant composite cable sealing sheath and preparation method thereof.
To achieve these goals, the present invention provides a kind of preparation of undersea detection high-strength composite cable seal sheath
Method, comprise the following steps：(1) by fluorubber, carbon black, dibutyl phthalate, dimethicone, ceramic fibre and poly-vinegar
Vinyl acetate carries out a banburying, obtains a banburying thing；(2) by a banburying thing and white carbon, molybdenum series catalyst, three ethanol
Secondary banburying is carried out after amine, vulcanizing agent, vulcanization accelerator, zinc oxide mixing, obtains secondary banburying thing；(3) secondary banburying thing is entered
Row grinds page, cutting, and film is made；(4) film extrusion is molded, sizing, traction, cutting, microwave vulcanization；Wherein, secondary banburying
Temperature it is higher than the temperature of a banburying 22-37 DEG C.
The present invention also provides a kind of undersea detection high-strength composite cable prepared according to previously described preparation method
Sealing sheath.
Pass through above-mentioned technical proposal, the technique of the invention by controlling undersea detection high-strength composite cable seal sheath
Step and raw material composition, a kind of underwater spy is prepared for using secondary banburying, once a mill, extrusion and the technique of microwave vulcanization
High-strength composite cable seal sheath is used in survey.Routinely among understanding, multiple banburying, mill and extrusion, it is being likely to result in rubber
Etc. the molecular chain rupture of macromolecular raw material, cause the intensity of finished product to decline, at the same time, multiple banburying and extrusion, may lead
The cracking of material is caused, generates small-molecule substance, the intensity and corrosion resistance for making material reduce.And in the present invention, it was discovered that this hair
Bright composite cable sealing sheath dispensing is through secondary banburying, once a mill, extrusion and microwave vulcanization, especially secondary close
In the case of refining than one time high 22-37 DEG C of mixing temperature of temperature, the composite cable sealing sheath intensity and corrosion resistance of preparation are non-
But do not reduce, have be obviously improved on the contrary.Moreover, the preparation method of the composite cable sealing sheath is simple, is easy to push away
Extensively, there is higher application value.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is 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 of disclosed scope and any value 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 present invention provides a kind of preparation method of undersea detection high-strength composite cable seal sheath, including following step
Suddenly：(1) fluorubber, carbon black, dibutyl phthalate, dimethicone, ceramic fibre and polyvinyl acetate are carried out one
Secondary banburying, obtain a banburying thing；(2) a banburying thing and white carbon, molybdenum series catalyst, triethanolamine, vulcanizing agent, vulcanization are promoted
Secondary banburying is carried out after entering agent, zinc oxide mixing, obtains secondary banburying thing；(3) secondary banburying thing is subjected to stone roller page, cutting, be made
Film；(4) film extrusion is molded, sizing, traction, cutting, microwave vulcanization；Wherein, than one time banburying of the temperature of secondary banburying
Temperature it is high 22-37 DEG C.
Pass through above-mentioned technical proposal, the technique of the invention by controlling undersea detection high-strength composite cable seal sheath
Step and raw material composition, a kind of underwater spy is prepared for using secondary banburying, once a mill, extrusion and the technique of microwave vulcanization
High-strength composite cable seal sheath is used in survey.Routinely among understanding, multiple banburying, mill and extrusion, it is being likely to result in rubber
Etc. the molecular chain rupture of macromolecular raw material, cause the intensity of finished product to decline, at the same time, multiple banburying and extrusion, may lead
The cracking of material is caused, generates small-molecule substance, the intensity and corrosion resistance for making material reduce.And in the present invention, it was discovered that this hair
Bright composite cable sealing sheath dispensing is through secondary banburying, a mill is once extruded and microwave vulcanization, especially secondary close
In the case of refining than one time high 22-37 DEG C of mixing temperature of temperature, the composite cable sealing sheath intensity and corrosion resistance of preparation are non-
But do not reduce, have be obviously improved on the contrary.Moreover, the preparation method of the composite cable sealing sheath is simple, is easy to push away
Extensively, there is higher application value.
In the above-mentioned technical solutions, the plurality of specifications of polyvinyl acetate, such as number-average molecular weight are 55000-420000
The present invention can be realized, in specific embodiment later, selects the number of Jiangsu silver dollar gum base materials Co., Ltd production equal
Molecular weight is 80000-110000, and grade is that PVAC3 polyvinyl acetate illustrates.
In the above-mentioned technical solutions, conventional ceramic fiber, temperature of such as classifying are the 1050-1400 DEG C of achievable present invention,
It may be selected from classifying temperature as the one or more in 1050 DEG C, 1400 DEG C and 1260 DEG C.In embodiment later, selection sort
Temperature is 1050 DEG C of ceramic fibre, and its fibre diameter is 2-4 μm, model SYGX-121 ceramic fibre.
In the above-mentioned technical solutions, fluorubber can have multiple choices, such as select model fluororubber 23, fluororubber 26,
Fluororubber 246, fluorubber TP etc., it is achievable of the invention, in embodiment later, select fluororubber 26 to illustrate.
In the above-mentioned technical solutions, molybdenum series catalyst can have multiple choices, in order to which high intensity and corrosion resistant water is made
High-strength composite cable seal sheath is used in lower detection, it is preferable that the molybdenum series catalyst is molybdenum tetrachloride, molybdenum pentachloride and dibromo
One or more in molybdenum dioxide.
In the above-mentioned technical solutions, vulcanizing agent can have multiple choices, in order to which high intensity and corrosion resistant underwater spy is made
High-strength composite cable seal sheath is used in survey, it is preferable that vulcanizing agent is in sulphur, benzoyl peroxide and urethanes
One or more.
In the above-mentioned technical solutions, vulcanization accelerator can have multiple choices, in order to which high intensity and corrosion resistant water is made
High-strength composite cable seal sheath is used in lower detection, it is preferable that vulcanization accelerator is selected from ethylene thiourea and/or DMDS generation
Carbaminate.
In the above-mentioned technical solutions, the temperature of a banburying can select in relative broad range, in order that obtained compound electric
Cable sealing sheath has preferable intensity and decay resistance, it is preferable that the temperature of a banburying is 110-120 DEG C.
In the above-mentioned technical solutions, the temperature of secondary banburying can select in relative broad range, in order that obtained compound electric
Cable sealing sheath has preferable intensity and decay resistance, it is preferable that the temperature of secondary banburying is 132-152 DEG C.
Wherein, the time of banburying can adjust in relative broad range, in order that obtained composite cable sealing sheath have compared with
Good intensity and decay resistance, while in order to improve operating efficiency, it is preferable that the time of a banburying is 16-28min.
Moreover, the time of secondary banburying can adjust in relative broad range, in order that obtained composite cable sealing shield
Set has preferable intensity and decay resistance, while in order to improve operating efficiency, it is highly preferred that the time of secondary banburying is 8-
12min。
In the above-mentioned technical solutions, the order of addition of material can select in relative broad range, in order that this is obtained underwater
Detection high-strength composite cable seal sheath high intensity and corrosion-resistant, it is preferable that in step (1), successively by fluorubber, charcoal
Black, dibutyl phthalate, dimethicone, ceramic fibre, polyvinyl acetate carry out banburying after adding.
Further, in order that the obtained undersea detection high-strength composite cable seal sheath high intensity and corrosion resistant
Erosion a, it is highly preferred that banburying in step (1) includes：By fluorubber, carbon black, dibutyl phthalate, dimethicone
Sequentially add and carry out banburying 8-10min；Then ceramic fibre banburying 3-4min is added；Polyvinyl acetate progress is added afterwards
Banburying.
In the above-mentioned technical solutions, roll spacing when grinding page can adjust in relative broad range, in order that the obtained underwater spy
Survey with high-strength composite cable seal sheath high intensity and corrosion-resistant, it is preferable that the roll spacing for grinding page is 1mm ± 0.5mm.
In the above-mentioned technical solutions, extrusion condition can select in relative broad range, in order that the obtained undersea detection is used
High-strength composite cable seal sheath high intensity and corrosion-resistant, it is preferable that extrusion temperature is 190~240 DEG C, rotating speed 20-
30r/min。
In the above-mentioned technical solutions, microwave vulcanization can adjust in relative broad range, in order that the obtained undersea detection is used
High-strength composite cable seal sheath high intensity and corrosion-resistant, it is preferable that microwave vulcanization includes successively：One section of microwave vulcanization, two
Section hot-air cure.
In the above-mentioned technical solutions, the condition of microwave vulcanization can adjust in relative broad range, in order that this is obtained underwater
Detection high-strength composite cable seal sheath high intensity and corrosion-resistant, it is preferable that one section of microwave vulcanization section temperature is 215-222
DEG C, one section of temperature of two sections of hot-air cures is 182-184 DEG C, and two sections of temperature of two sections of hot-air cures are 183-186 DEG C.It is high
In said temperature, product will occur over cure phenomenon, surface wrinkling, rough, while phenomena such as bubbling, pit occur；It is less than
Said temperature will appear from owing sulphur phenomenon, and phenomena such as depression, viscous hand occurs in surface.
In the above-mentioned technical solutions, the amount of each component can select in relative broad range, in order that the obtained undersea detection
With high-strength composite cable seal sheath high intensity and corrosion-resistant, it is preferable that in parts by weight, fluorubber 100-110 parts, carbon black
6-10 parts, dibutyl phthalate 3-5 parts, dimethicone 1-3 parts, ceramic fibre 5-7 parts, polyvinyl acetate 12-18
Part, white carbon 5-8 parts, molybdenum series catalyst 2-4 parts, triethanolamine 0.5-0.8 parts, vulcanizing agent 2-4 parts, vulcanization accelerator 0.5-
0.8 part, zinc oxide 3-5 parts.
The present invention also provides a kind of undersea detection high-strength composite cable seal sheath, according to previously described preparation side
Method is prepared.
Pass through above-mentioned technical proposal, the technique of the invention by controlling undersea detection high-strength composite cable seal sheath
Step and raw material composition, a kind of undersea detection is prepared for high-strength using secondary banburying, a mill and the technique once extruded
Spend composite cable sealing sheath.Routinely among understanding, multiple banburying, mill and extrusion, it is being likely to result in the macromoleculars such as rubber
The molecular chain rupture of raw material, cause the intensity of finished product to decline, at the same time, multiple banburying and extrusion, may result in material
Cracking, small-molecule substance is generated, the intensity and corrosion resistance for making material reduce.And in the present invention, it was discovered that the present invention's is compound
Cable seal sheath dispensing is through secondary banburying, a mill and once extrudes, especially in than the one time banburying of secondary mixing temperature
In the case of high 22-37 DEG C of temperature, not only the composite cable sealing sheath intensity and corrosion resistance of preparation do not reduce, and have on the contrary
It is obviously improved.Moreover, the preparation method of the composite cable sealing sheath is simple, easy to spread, has higher application
Value.The tensile strength for the undersea detection high-strength composite cable seal sheath being prepared by the preparation technology can reach
More than 21MPa, weight loss in acid rate and caustic dip weight-loss ratio are higher than the tensile strength of traditional rubber below 3%, acid and alkali-resistance effect
It is good, it is suitable as the cable outer sheath material of underwater detection equipment.
The present invention will be described in detail by way of examples below.In following examples, banbury is convertible for strength
Banbury, it is in universe Machinery Co., Ltd. purchased from Shanghai；Extruder is 90 type Rubber Extruders, is had purchased from the big source rubber and plastic equipment in Hebei
Limit company；Microwave vulcanization equipment is the model 6-8.9m microwave vulcanization casees of KINGNO Zhoushan gold promise；Polyvinyl acetate is river
The molecular weight of Su Yinyang gum base materials Co., Ltd production is 80000-110000, and grade is PVAC 3 polyvinyl acetate；
Ceramic fibre, classification temperature are 1050 DEG C, and its fibre diameter is 2-4 μm, model SYGX-121, purchased from Jinan Sheng Yanggaowen materials
Expect Co., Ltd；Fluorubber is 26 type fluorubber；Molybdenum series catalyst is molybdenum pentachloride；Vulcanizing agent is urethanes；Vulcanization
Accelerator is PZ；Other are conventional commercial products.
Embodiment 1
The undersea detection preparation method of high-strength composite cable seal sheath, comprises the following steps：
(1) by 100 parts of fluorubber, 6 parts of carbon blacks, 3 parts of dibutyl phthalates, 1 part of dimethicone sequentially add into
Row banburying 8min；Then 5 parts of ceramic fibre banburying 3min are added；12 parts of polyvinyl acetate banburying 3min are added afterwards；It is close
It is 110 DEG C to refine temperature, obtains a banburying thing；
(2) by a banburying thing and 5 parts of white carbons, 2 parts of molybdenum series catalysts, 0.5 part of triethanolamine, 2 parts of vulcanizing agents, 0.5
Part vulcanization accelerator, 3 parts of zinc oxide mixing carry out secondary banburyings after 132 DEG C, banburying 8min, obtain secondary banburying thing；
(3) secondary banburying thing is subjected to stone roller page, roll spacing 0.5mm, cutting, film is made；
(4) by film in 190 DEG C, rotating speed is 20r/min extrusion moldings, then carries out sizing, traction, cutting, then successively
By one section of microwave vulcanization and two sections of hot-air cures, wherein, one section of microwave vulcanization section temperature is 215 DEG C, two sections of hot-air sulphur
The one section of temperature changed is 182 DEG C, and two sections of temperature of two sections of hot-air cures are 183 DEG C.
Embodiment 2
The undersea detection preparation method of high-strength composite cable seal sheath, comprises the following steps：
(1) by 105 parts of fluorubber, 8 parts of carbon blacks, 4 parts of dibutyl phthalates, 2 parts of dimethicones sequentially add into
Row banburying 9min；Then 5-7 part ceramic fibre banburyings 3.5min is added；15 parts of polyvinyl acetate banburyings are added afterwards
9min；Mixing temperature is 115 DEG C, obtains a banburying thing；
(2) by a banburying thing and 6.5 parts of white carbons, 3 parts of molybdenum series catalysts, 0.65 part of triethanolamine, 3 parts of vulcanizing agents,
0.65 part of vulcanization accelerator, 4 parts of zinc oxide mixing carry out secondary banburying after 142 DEG C, banburying 10min, obtain secondary banburying thing；
(3) secondary banburying thing is subjected to stone roller page, roll spacing 1mm, cutting, film is made；
(4) by film in 215 DEG C, rotating speed is 25r/min extrusion moldings, then carries out sizing, traction, cutting, then successively
By one section of microwave vulcanization and two sections of hot-air cures, wherein, one section of microwave vulcanization section temperature is 218.5 DEG C, two sections of hot-airs
One section of temperature of vulcanization is 183 DEG C, and two sections of temperature of two sections of hot-air cures are 184.5 DEG C.
Embodiment 3
The undersea detection preparation method of high-strength composite cable seal sheath, comprises the following steps：
(1) by 110 parts of fluorubber, 10 parts of carbon blacks, 5 parts of dibutyl phthalates, 3 parts of dimethicones sequentially add into
Row banburying 10min；Then 7 parts of ceramic fibre banburying 4min are added；12-18 part polyvinyl acetate banburyings are added afterwards
14min；Mixing temperature is 120 DEG C, obtains a banburying thing；
(2) by a banburying thing and 8 parts of white carbons, 4 parts of molybdenum series catalysts, 0.8 part of triethanolamine, 4 parts of vulcanizing agents, 0.8
Part vulcanization accelerator, 5 parts of zinc oxide mixing carry out secondary banburyings after 152 DEG C, banburying 12min, obtain secondary banburying thing；
(3) secondary banburying thing is subjected to stone roller page, roll spacing 1.5mm, cutting, film is made；
(4) by film in 240 DEG C, rotating speed is 30r/min extrusion moldings, then carries out sizing, traction, cutting, then successively
By one section of microwave vulcanization and two sections of hot-air cures, wherein, one section of microwave vulcanization section temperature is 222 DEG C, two sections of hot-air sulphur
The one section of temperature changed is 184 DEG C, and two sections of temperature of two sections of hot-air cures are 186 DEG C.
Comparative example 1
Method according to embodiment 2 prepares undersea detection high-strength composite cable seal sheath, unlike, step
(2) mixing temperature in is 135 DEG C.
Comparative example 2
Method according to embodiment 2 prepares undersea detection high-strength composite cable seal sheath, unlike, step
(2) mixing temperature in is 155 DEG C.
Comparative example 3
Method according to embodiment 2 prepares undersea detection high-strength composite cable seal sheath, unlike, do not add
Polyvinyl acetate, ceramic fibre and molybdenum pentachloride.
Detect example 1
Composite cable sealing sheath material is stretched according to the method tested for tensile strength in national standard GB/T1040-2006 and fracture
Long rate, the AG-20KNG of puller system model Shimadzu Corporation production；Rate of extension is 500mm/min, and test temperature is 23 DEG C.Inspection
Survey the results are shown in Table 1.
Detect example 2
The detection of soda acid weight-loss ratio will be soaked in reference to GB/T 1690-2010 under each composite cable sealing sheath material normal temperature
Each 10 days in the sodium hydroxide solution of the hydrochloric acid of 30% mass fraction and 40% mass fraction, weight loss in acid rate and caustic dip are calculated
Weight-loss ratio, weight-loss ratio is smaller to show that acid-proof alkaline is stronger.Testing result is shown in Table 1.
Table 1
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 (10)
1. a kind of undersea detection preparation method of high-strength composite cable seal sheath, it is characterised in that comprise the following steps：
(1) fluorubber, carbon black, dibutyl phthalate, dimethicone, ceramic fibre and polyvinyl acetate are carried out one
Secondary banburying, obtain a banburying thing；
(2) a banburying thing is mixed with white carbon, molybdenum series catalyst, triethanolamine, vulcanizing agent, vulcanization accelerator, zinc oxide
After carry out secondary banburying, obtain secondary banburying thing；
(3) secondary banburying thing is subjected to stone roller page, cutting, film is made；
(4) film extrusion is molded, sizing, traction, cutting, microwave vulcanization；
Wherein, the temperature of secondary banburying is higher than the temperature of a banburying 22-37 DEG C.
2. preparation method according to claim 1, wherein, the temperature of a banburying is 110-120 DEG C；It is and/or secondary close
The temperature of refining is 132-152 DEG C.
3. preparation method according to claim 1 or 2, wherein, the time of a banburying is 16-28min；It is and/or secondary
The time of banburying is 8-12min.
4. preparation method according to claim 1 or 2, wherein, in step (1), successively by fluorubber, carbon black, adjacent benzene two
Formic acid dibutyl ester, dimethicone, ceramic fibre, polyvinyl acetate carry out banburying after adding.
5. preparation method according to claim 1 or 2, wherein, a banburying in step (1) includes：
Fluorubber, carbon black, dibutyl phthalate, dimethicone are sequentially added and carry out banburying 8-10min；
Then ceramic fibre banburying 3-4min is added；
Polyvinyl acetate is added afterwards carries out banburying.
6. preparation method according to claim 1 or 2, wherein,
The roll spacing for grinding page is 1mm ± 0.5mm；And/or
Extrusion condition includes：Extrusion temperature is 190~240 DEG C, rotating speed 20-30r/min.
7. preparation method according to claim 1 or 2, wherein, microwave vulcanization includes successively：One section of microwave vulcanization, two sections
Hot-air cure；
Preferably, one section of microwave vulcanization section temperature is 215-222 DEG C, and one section of temperature of two sections of hot-air cures is 182-184 DEG C,
Two sections of temperature of two sections of hot-air cures are 183-186 DEG C.
8. preparation method according to claim 1 or 2, wherein, in parts by weight, fluorubber 100-110 parts, carbon black 6-10
Part, dibutyl phthalate 3-5 parts, dimethicone 1-3 parts, ceramic fibre 5-7 parts, polyvinyl acetate 12-18 parts, in vain
Carbon black 5-8 parts, molybdenum series catalyst 2-4 parts, triethanolamine 0.5-0.8 parts, vulcanizing agent 2-4 parts, vulcanization accelerator 0.5-0.8 parts,
Zinc oxide 3-5 parts.
9. the preparation method according to claim 1 or 8, wherein,
One or more of the vulcanizing agent in sulphur, benzoyl peroxide and urethanes；And/or
Vulcanization accelerator is selected from ethylene thiourea and/or PZ；And/or
One or more of the molybdenum series catalyst in molybdenum tetrachloride, molybdenum pentachloride and dibromo molybdenum dioxide.
10. a kind of undersea detection according to any described preparation method preparations of claim 1-9 is close with high-strength composite cable
Closure set.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192246A (en) * | 2018-01-15 | 2018-06-22 | 芜湖航天特种电缆厂股份有限公司 | Igniter motor compounded rubber and preparation method thereof |
| CN114231038A (en) * | 2021-12-23 | 2022-03-25 | 淄博长安电力工具有限公司 | Compound silicon rubber realgar bird-repelling section bar and preparation method thereof |
-
2017
- 2017-09-12 CN CN201710815849.8A patent/CN107513241A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192246A (en) * | 2018-01-15 | 2018-06-22 | 芜湖航天特种电缆厂股份有限公司 | Igniter motor compounded rubber and preparation method thereof |
| CN114231038A (en) * | 2021-12-23 | 2022-03-25 | 淄博长安电力工具有限公司 | Compound silicon rubber realgar bird-repelling section bar and preparation method thereof |
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Application publication date: 20171226 |