CN107880454A - Undersea detection high-strength composite sheath and preparation method thereof - Google Patents
Undersea detection high-strength composite sheath and preparation method thereof Download PDFInfo
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- CN107880454A CN107880454A CN201710999145.0A CN201710999145A CN107880454A CN 107880454 A CN107880454 A CN 107880454A CN 201710999145 A CN201710999145 A CN 201710999145A CN 107880454 A CN107880454 A CN 107880454A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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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
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
- H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
Abstract
The invention discloses a kind of undersea detection high-strength composite sheath, it is made up of the processing step and raw material that control undersea detection high-strength composite sheath, the average grain diameter for selecting calcium carbonate is 600 2500 mesh, the average grain diameter of white carbon is 2,000 5000 mesh, a kind of composite jacket is prepared for using secondary banburying, once a mill, extrusion and the technique of microwave vulcanization, the material of the sheath has higher intensity and resistance to acids and bases, is highly suitable as the cable cover(ing) of undersea detection equipment.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 cover(ing), in particular it relates to undersea detection high-strength composite sheath and preparation method thereof.
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, and the strength demand that thus be accordingly used in undersea detection composite jacket is high
In the sealing sheath of general cable, it is desirable to composite jacket not only has higher intensity, also to have stronger acidproof alkali ability,
It is and 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.
The content of the invention
The invention aims to solve composite jacket low intensity existing for prior art, the technology such as acid and alkali-resistance is not asked
Topic, and a kind of high intensity provided and composite jacket of acid and alkali-resistance and preparation method thereof.
To achieve these goals, the preparation method the invention provides a kind of undersea detection with high-strength composite sheath,
Comprise the following steps：(1) by fluorubber, calcium carbonate, dibutyl phthalate, dimethicone, ceramic fibre and poly-vinegar acid
Vinyl acetate carries out a banburying, obtains a banburying thing；(2) by banburying thing and white carbon, molybdenum series catalyst, triethanolamine,
Secondary banburying is carried out after vulcanizing agent, vulcanization accelerator, zinc oxide mixing, obtains secondary banburying thing；(3) secondary banburying thing is ground
Page, cutting, are made film；(4) film extrusion is molded, sizing, traction, cutting, microwave vulcanization；Wherein, calcium carbonate is averaged
Particle diameter is 600-2500 mesh, and the average grain diameter of white carbon is 2000-5000 mesh.
The present invention also provides a kind of undersea detection high-strength composite sheath prepared according to previously described preparation method.
Pass through above-mentioned technical proposal, the processing step and original of the invention by controlling undersea detection high-strength composite sheath
Material composition, the average grain diameter for particularly selecting calcium carbonate is 600-2500 mesh, and the average grain diameter of white carbon is 2000-5000 mesh,
A kind of composite jacket, the material tool of sheath are prepared for using secondary banburying, once a mill, extrusion and the technique of microwave vulcanization
There are higher intensity and resistance to acids and bases, be highly suitable as the cable cover(ing) of undersea detection equipment.Moreover, the compound shield
The preparation method of set is simple, easy to spread, has 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.
To achieve these goals, the preparation method the invention provides a kind of undersea detection with high-strength composite sheath,
Comprise the following steps：(1) by fluorubber, calcium carbonate, dibutyl phthalate, dimethicone, ceramic fibre and poly-vinegar acid
Vinyl acetate carries out a banburying, obtains a banburying thing；(2) by banburying thing and white carbon, molybdenum series catalyst, triethanolamine,
Secondary banburying is carried out after vulcanizing agent, vulcanization accelerator, zinc oxide mixing, obtains secondary banburying thing；(3) secondary banburying thing is ground
Page, cutting, are made film；(4) film extrusion is molded, sizing, traction, cutting, microwave vulcanization；Wherein, calcium carbonate is averaged
Particle diameter is 600-2500 mesh, and the average grain diameter of white carbon is 2000-5000 mesh.
Pass through above-mentioned technical proposal, the processing step and original of the invention by controlling undersea detection high-strength composite sheath
Material composition, the average grain diameter for particularly selecting calcium carbonate is 600-2500 mesh, and the average grain diameter of white carbon is 2000-5000 mesh,
A kind of composite jacket, the material of the sheath are prepared for using secondary banburying, once a mill, extrusion and the technique of microwave vulcanization
With higher intensity and resistance to acids and bases, the cable cover(ing) of undersea detection equipment is highly suitable as.Moreover, this is compound
The preparation method of sheath is simple, easy to spread, has higher application value.
White carbon is the general name of white powder X-ray amorphous silicic acid and silicate product, is primarily referred to as precipitating dioxy
SiClx, aerosil and superfine silicon dioxide gel.In the present invention, traditional rubber additive, as long as the hard charcoal of selection
It is black to realize the present invention within the above-mentioned technical conditions of the present invention, and the concrete composition of white carbon, manufacturer are not wanted
Ask.
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 the water of high intensity and acid and alkali-resistance is made
High-strength composite sheath is used in lower detection, it is preferable that the molybdenum series catalyst is molybdenum tetrachloride, molybdenum pentachloride and dibromo molybdenum dioxide
In one or more.
In the above-mentioned technical solutions, vulcanizing agent can have multiple choices, in order to which the underwater spy of high intensity and acid and alkali-resistance is made
High-strength composite sheath is used in survey, it is preferable that one kind in sulphur, benzoyl peroxide and urethanes of vulcanizing agent or
It is a variety of.
In the above-mentioned technical solutions, vulcanization accelerator can have multiple choices, in order to which the water of high intensity and acid and alkali-resistance is made
High-strength composite sheath is used in lower detection, it is preferable that vulcanization accelerator is selected from ethylene thiourea and/or dimethyl dithiocarbamic acid
Zinc.
In the above-mentioned technical solutions, the average grain diameter of the calcium carbonate of selection is 600-2500 mesh, the average grain diameter of white carbon
For 2000-5000 mesh, you can obtain purpose composite jacket.In order that obtained composite jacket has preferable intensity and acid and alkali-resistance
Performance, it is preferable that the average grain diameter of calcium carbonate is 800-2000 mesh, and the average grain diameter of white carbon is 3000-4000 mesh.
In the above-mentioned technical solutions, the mass ratio of calcium carbonate and white carbon can be adjusted in relative broad range, in order to
Make obtained composite jacket that there is preferable intensity and acid-proof alkaline, it is preferable that the mass ratio of calcium carbonate and white carbon is
1:0.8-1.5.It is highly preferred that the mass ratio of calcium carbonate and white carbon is 1:1.1-1.4.
In the above-mentioned technical solutions, the temperature of a banburying can select in relative broad range, in order that obtained compound shield
Set has preferable intensity and acid-proof alkaline, it is preferable that the temperature of a banburying is 115-125 DEG C.
In the above-mentioned technical solutions, the temperature of secondary banburying can select in relative broad range, in order that obtained compound shield
Set has preferable intensity and acid-proof alkaline, it is preferable that the temperature of secondary banburying is 130-148 DEG C.
Wherein, the time of banburying can adjust in relative broad range, in order that obtained composite jacket has preferable intensity
And acid-proof alkaline, while in order to improve operating efficiency, it is preferable that the time of a banburying is 15-26min.
Moreover, the time of secondary banburying can adjust in relative broad range, in order that obtained composite jacket have compared with
Good intensity and acid-proof alkaline, while in order to improve operating efficiency, it is highly preferred that the time of secondary banburying is 10-14min.
In the above-mentioned technical solutions, roll spacing when grinding page can adjust in relative broad range, in order that the obtained underwater spy
High-strength composite sheath high intensity and acid and alkali-resistance are used in survey, 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 sheath high intensity and acid and alkali-resistance, 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 sheath high intensity and acid and alkali-resistance, it is preferable that microwave vulcanization includes successively：One section of microwave vulcanization, two sections of hot-airs
Vulcanization.
In the above-mentioned technical solutions, the condition of microwave vulcanization can adjust in relative broad range, in order that this is obtained underwater
High-strength composite sheath high intensity and acid and alkali-resistance are used in detection, it is preferable that one section of microwave vulcanization section temperature is 215-222 DEG C, two sections
One section of temperature of hot-air cure is 182-184 DEG C, and two sections of temperature of two sections of hot-air cures are 183-186 DEG C.Higher than above-mentioned
Temperature, product will occur over cure phenomenon, surface wrinkling, rough, while phenomena such as bubbling, pit occur；Less than above-mentioned temperature
Degree 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 sheath high intensity and acid and alkali-resistance, it is preferable that in parts by weight, in parts by weight, fluorubber 100-110 parts,
Calcium carbonate 15-20 parts, dibutyl phthalate 3-5 parts, dimethicone 1-3 parts, ceramic fibre 5-7 parts, polyvinyl acetate
Ester 12-18 parts, white carbon 18-20 parts, molybdenum series catalyst 2-4 parts, triethanolamine 0.5-0.8 parts, vulcanizing agent 2-4 parts, vulcanization promote
Enter agent 0.5-0.8 parts, zinc oxide 3-5 parts.
The present invention also provides a kind of undersea detection high-strength composite sheath, is prepared into according to previously described preparation method
Arrive.
Pass through above-mentioned technical proposal, the processing step and original of the invention by controlling undersea detection high-strength composite sheath
Material composition, the average grain diameter for particularly selecting calcium carbonate is 600-2500 mesh, and the average grain diameter of white carbon is 2000-5000 mesh,
A kind of composite jacket, the material of the sheath are prepared for using secondary banburying, once a mill, extrusion and the technique of microwave vulcanization
With higher intensity and resistance to acids and bases, the cable cover(ing) of undersea detection equipment is highly suitable as.Moreover, this is compound
The preparation method of sheath is simple, easy to spread, has higher application value.
The present invention will be described in detail by way of examples below.
In following examples, banbury is the convertible banbury of strength, is in universe Machinery Co., Ltd. purchased from Shanghai；Extruder
For 90 type Rubber Extruders, purchased from the big source rubber and plastic equipment Co., Ltd in Hebei；Microwave vulcanization equipment is the gold promise of KINGNO Zhoushan
Model 6-8.9m microwave vulcanization casees；Polyvinyl acetate is the number-average molecular weight of Jiangsu silver dollar gum base materials Co., Ltd production
For 80000-110000, grade is PVAC 3 polyvinyl acetate；Ceramic fibre, classification temperature are 1050, its fibre diameter
For 2-4 μm, model SYGX-121, adiabator Co., Ltd of Yanggao County is contained purchased from Jinan；Fluorubber is 26 type fluorubber；Molybdenum system is urged
Agent is molybdenum pentachloride；Vulcanizing agent is urethanes；Vulcanization accelerator is PZ；White carbon
Purchased from Zhengzhou West Germany profit chemical industry；Calcium carbonate is Xuanzhou District Li Qiao towns Hua Cheng micro mists factory purchased from Xuancheng；Other are conventional commercial products.
Embodiment 1
The undersea detection preparation method of high-strength composite sheath, comprises the following steps：
(1) in parts by weight, by 100 parts of fluorubber, 15 parts of calcium carbonate (average grain diameter is 600 mesh), 3 parts of phthalic acids
Dibutyl ester, 1 part of dimethicone, 5 parts of ceramic fibres and 12 parts of polyvinyl acetate in 115 DEG C carry out a banburying, and (time is
15min), a banburying thing is obtained；
(2) by a banburying thing and 18 parts of white carbons (average grain diameter is 2000 mesh), 2 parts of molybdenum series catalysts, 0.5 part of three second
Hydramine, 2 parts of vulcanizing agents, 0.5 part of vulcanization accelerator, the mixing of 3 parts of zinc oxide carry out secondary banburyings after 130 DEG C, and (time is
10min), secondary banburying thing is obtained；
(3) secondary banburying thing is subjected to stone roller page, the roll spacing for grinding page is 0.5mm, cutting, and film is made；
(4) by film in 190 DEG C, rotating speed is 20r/min extrusion moldings, sizing, traction, cutting, then carries out one successively
Section microwave vulcanization section (temperature is 215 DEG C), two sections of hot-air cures (one section of temperature is 182 DEG C), two sections of (two sections of hot-air cures
Temperature is 183 DEG C).
Embodiment 2
The undersea detection preparation method of high-strength composite sheath, comprises the following steps：
(1) in parts by weight, by 105 parts of fluorubber, 18 parts of calcium carbonate (average grain diameter is 1500 mesh), 4 parts of O-phthalics
Dibutyl phthalate, 2 parts of dimethicones, 6 parts of ceramic fibres and 15 parts of polyvinyl acetate carry out a banburying (time in 120 DEG C
For 20min), obtain a banburying thing；
(2) by a banburying thing and 19 parts of white carbons (average grain diameter is 3500 mesh), 3 parts of molybdenum series catalysts, 0.6 part of three second
Hydramine, 3 parts of vulcanizing agents, 0.7 part of vulcanization accelerator, the mixing of 4 parts of zinc oxide carry out secondary banburyings after 139 DEG C, and (time is
12min), secondary banburying thing is obtained；
(3) secondary banburying thing is subjected to stone roller page, the roll spacing for grinding page is 1mm, cutting, and film is made；
(4) by film in 210 DEG C, rotating speed is 25r/min extrusion moldings, sizing, traction, cutting, then carries out one successively
Section microwave vulcanization section (temperature is 218 DEG C), two sections of hot-air cures (one section of temperature is 183 DEG C), two sections of (two sections of hot-air cures
Temperature is 185 DEG C).
Embodiment 3
The undersea detection preparation method of high-strength composite sheath, comprises the following steps：
(1) in parts by weight, by 110 parts of fluorubber, 20 parts of calcium carbonate (average grain diameter is 2500 mesh), 5 parts of O-phthalics
Dibutyl phthalate, 3 parts of dimethicones, 7 parts of ceramic fibres and 18 parts of polyvinyl acetate carry out a banburying (time in 125 DEG C
For 26min), obtain a banburying thing；
(2) by a banburying thing and 20 parts of white carbons (average grain diameter is 5000 mesh), 4 parts of molybdenum series catalysts, 0.8 part of three second
Hydramine, 4 parts of vulcanizing agents, 0.8 part of vulcanization accelerator, the mixing of 5 parts of zinc oxide carry out secondary banburyings after 148 DEG C, and (time is
14min), secondary banburying thing is obtained；
(3) secondary banburying thing is subjected to stone roller page, the roll spacing for grinding page is 1.5mm, cutting, and film is made；
(4) by film in 240 DEG C, rotating speed is 30r/min extrusion moldings, sizing, traction, cutting, then carries out one successively
Section microwave vulcanization section (temperature is 222 DEG C), two sections of hot-air cures (one section of temperature is 184 DEG C), two sections of (two sections of hot-air cures
Temperature is 186 DEG C).
Embodiment 4
Method according to embodiment 2 prepares undersea detection high-strength composite sheath, unlike, the average grain of calcium carbonate
Footpath is 1000 mesh, and the average grain diameter of white carbon is 2200 mesh.
Embodiment 5
Method according to embodiment 2 prepares undersea detection high-strength composite sheath, unlike, the average grain of calcium carbonate
Footpath is 2000 mesh, and the average grain diameter of white carbon is 4000 mesh.
Comparative example 1
Method according to embodiment 2 prepares undersea detection high-strength composite sheath, unlike, the average grain of calcium carbonate
Footpath is 500 mesh, and the average grain diameter of white carbon is 5500 mesh.
Comparative example 2
Method according to embodiment 2 prepares undersea detection high-strength composite sheath, unlike, the average grain of calcium carbonate
Footpath is 3000 mesh, and the average grain diameter of white carbon is 1500 mesh.
Detect example 1
The material of composite jacket is according to the method tested for tensile strength in national standard GB/T1040-2006, puller system model
The AG-20KNG of Shimadzu Corporation's production；Rate of extension is 500mm/min, and test temperature is 23 DEG C.
Detect example 2
The detection of soda acid weight-loss ratio will be soaked in 30% matter with reference to GB/T 1690-2010 under the material normal temperature of each composite jacket
Measure in the hydrochloric acid of fraction and the sodium hydroxide solution of 40% mass fraction each 10 days, calculate weight loss in acid rate and caustic dip is weightless
Rate, weight-loss ratio is smaller to show that acid-proof alkaline is stronger.
After testing, the tensile strength of the rubber of the composite jacket in embodiment 1-5 will be substantially better than the rubber in comparative example 1-2
Glue, wherein, the order of tensile strength from big to small is embodiment 2, embodiment 4, embodiment 5, embodiment 3, embodiment 1, contrast
Example 2, comparative example 1, wherein, the tensile strength in embodiment 2 is 23.9MPa, and the tensile strength in comparative example 1 is 21.2MPa, phase
For the tensile strength in comparative example 1.Tensile strength in embodiment 2 increases 12.7%.
The sour weight-loss ratio of the rubber of composite jacket in embodiment 1-5 will be significantly lower than the rubber in comparative example 1-2, wherein
The order of sour weight-loss ratio from low to high is：Embodiment 2, embodiment 5, embodiment 4, embodiment 1, embodiment 3, comparative example 1, contrast
Example 2, sour weight-loss ratio is 1.8% in embodiment 2, and sour weight-loss ratio is 2.8% in comparative example 2.Wherein, the change of each sample alkali weight-loss ratio
Change identical with the trend of sour weight-loss ratio.
It can be seen that have higher tension strong with high-strength composite sheath by undersea detection prepared by technical solution of the present invention
Degree and acid-proof alkaline.
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 sheath, it is characterised in that comprise the following steps：
(1) fluorubber, calcium carbonate, dibutyl phthalate, dimethicone, ceramic fibre and polyvinyl acetate are carried out
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 average grain diameter of calcium carbonate is 600-2500 mesh, and the average grain diameter of white carbon is 2000-5000 mesh.
2. preparation method according to claim 1, wherein, the average grain diameter of calcium carbonate is 800-2000 mesh, white carbon
Average grain diameter is 3000-4000 mesh.
3. preparation method according to claim 1 or 2, wherein, the mass ratio of calcium carbonate and white carbon is 1:0.8-
1.5, it is preferable that the mass ratio of calcium carbonate and white carbon is 1:1.1-1.4.
4. preparation method according to claim 1 or 2, wherein, the temperature of a banburying is 115-125 DEG C；And/or two
The temperature of secondary banburying is 130-148 DEG C.
5. preparation method according to claim 1 or 2, wherein, the time of a banburying is 15-26min；It is and/or secondary
The time of banburying is 10-14min.
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, calcium carbonate
15-20 parts, dibutyl phthalate 3-5 parts, dimethicone 1-3 parts, ceramic fibre 5-7 parts, polyvinyl acetate 12-18
Part, white carbon 18-20 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.
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.
A kind of 10. undersea detection high-strength composite sheath prepared according to any described preparation methods of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999145.0A CN107880454A (en) | 2017-10-24 | 2017-10-24 | Undersea detection high-strength composite sheath and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999145.0A CN107880454A (en) | 2017-10-24 | 2017-10-24 | Undersea detection high-strength composite sheath and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107880454A true CN107880454A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710999145.0A Withdrawn CN107880454A (en) | 2017-10-24 | 2017-10-24 | Undersea detection high-strength composite sheath and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107880454A (en) |
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2017
- 2017-10-24 CN CN201710999145.0A patent/CN107880454A/en not_active Withdrawn
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Application publication date: 20180406 |