CN109096953A - A kind of submarine cable blocks water sealant and its manufacturing method - Google Patents
A kind of submarine cable blocks water sealant and its manufacturing method Download PDFInfo
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- CN109096953A CN109096953A CN201810677796.2A CN201810677796A CN109096953A CN 109096953 A CN109096953 A CN 109096953A CN 201810677796 A CN201810677796 A CN 201810677796A CN 109096953 A CN109096953 A CN 109096953A
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- Prior art keywords
- sealant
- blocks water
- submarine cable
- kneader
- cable
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000000565 sealant Substances 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 9
- 150000001336 alkenes Chemical class 0.000 claims abstract description 9
- 229920001400 block copolymer Polymers 0.000 claims abstract description 9
- 239000003063 flame retardant Substances 0.000 claims abstract description 9
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 7
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 7
- 239000004615 ingredient Substances 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 10
- 238000004132 cross linking Methods 0.000 claims description 8
- 238000004073 vulcanization Methods 0.000 claims description 8
- -1 pentaerythritol ester Chemical class 0.000 claims description 7
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 229920006334 epoxy coating Polymers 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 235000019260 propionic acid Nutrition 0.000 claims description 3
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical group C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 230000003026 anti-oxygenic effect Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 22
- 239000013307 optical fiber Substances 0.000 description 20
- 230000003287 optical effect Effects 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 8
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009477 glass transition Effects 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
It blocks water sealant and its manufacturing method the present invention relates to a kind of submarine cable.Purpose is to provide a kind of submarine cable and blocks water sealant and its manufacturing method, and the submarine cable sealant that blocks water should have excellent adhesive property, excellent leakproofness and antioxygenic property, good high and low temperature resistance, weatherability and ageing resistance；Manufacturing method should simple process, cost is relatively low.Technical solution is: a kind of submarine cable blocks water sealant, including following ingredient and corresponding parts by weight: 10-20 parts of brombutyl；3-8 parts of curing resin；15-25 parts of olefin block copolymers (OBC)；50-70 parts of polyisobutene；1-5 parts of fire retardant；1-3 parts of antioxidant.
Description
Technical field
It blocks water sealant and its manufacturing method the present invention relates to a kind of submarine cable.
Background technique
Submarine cable divides submarine communication cable and sea electric power cable.Submarine communication cable is mainly used for communication traffic, takes
With valuableness, but privacy degrees are high.Sea electric power cable is mainly used for underwater transmission high-power power, the work with underground power cable
With equivalent, the mode difference of the occasion only applied and laying.Since submarine cable engineering is known as complexity by countries in the world
Difficult heavy construction is investigated from environment detection, marine physics, and design, manufacture and the installation of cable, all using complicated skill
Art, thus the manufacturing firm of submarine cable is few in number in the world, mainly Norway, Denmark, Japan, Canada, American and Britain,
Method, Yi Deng state, these countries also provide laying technology in addition to manufacture.
The core of submarine communication cable is the thin high-purity optical fiber such as hair, is reflected by internally reflective to guide light along optical fiber
Advance in path.Submarine communication cable will be able to bear the immense pressure at underwater 8 kilometers, be equivalent to and an elephant is placed on people's
The weight that thumb is born.In the production of submarine communication cable, optical fiber can be embedded in the chemical combination of polymer sealant first
In object, protection cable will not damage with contact with sea water.Then optical cable is fitted into steel pipe, prevents water
Pressure is destroyed.Next it is wrapped among the high steel wire of integral strength, then packs into copper pipe, finally put on polyethylene
The protective layer of material.Close to sanidal seashore, it is bigger that the laying of submarine communication cable generallys use lightweight cable collocation strength
Steel wire, and cover bituminous coating to prevent seawater corrosion.Submarine communication cable is mainly used for long range communication network, and remote
Between island, the more important occasion such as military installations over strait.
The transmission capacity of optical fiber is big, the distance between relay station, the communication suitable for seabed long range.For submarine communication
The optical fiber of optical cable has higher requirement than optical fiber used in the optical cable of land: it is required that low-loss, high intensity, factory length are long.Optical cable
Repeater span it is long, generally all at 50 kilometers or more, require to will not change within 25 years in terms of the transmission performance of optical fiber.?
The configuration aspects of submarine communication cable: it is required that being amenable to powerful pressure and pulling force, especially (be laid in deep-sea communications optical cable water
The optical cable in 1000 meters deep or less seabed), in laying and maintenance activity other than the weight of optical cable itself, also to add plus wave
Dynamic stress on to optical cable, under so big loading condiction, the strain of optical cable will be limited within 0.7~0.8%；Seabed
The structural requirement of communications optical cable is firm, material is light, but cannot use light metal aluminium because aluminium and seawater electrochemistry can occur and answer and
Hydrogen is generated, hydrogen molecule can be diffused into the glass material of optical fiber, and the loss of optical fiber is made to become larger.Therefore submarine optical fiber cable should prevent
Inside generates hydrogen, while also to prevent hydrogen from penetrating into optical cable from outside.For this purpose, phase in the early 1990s, develops one kind
It applies carbon or applies the optical fiber of titanium layer, the infiltration of hydrogen can be prevented and prevent chemical attack.Fibre-optical splice also requires to be high-intensitive, it is desirable that
The surface for connecting the intensity and original optical fiber that keep original optical fiber is injury-free.
According to above-mentioned requirements and feature, the basic structure of submarine communication cable is will be after coating treatment once or twice
Optical fiber, spirally around central strength member (being made of steel wire).The knot of several typical deep-sea communications optical cables
Structure is: optical fiber is located in spiral U-lag plastic skeleton, and high-intensity sealing glue is filled up in slot or elastoplastic body forms fibre
Core；The steel wire of fiber core high intensity is wrapped, is all filled up with waterproof material having the gap during wrapped, then in steel
The wrapped one layer of copper strips of silk surrounding simultaneously welds whip stitch, and steel wire and copper pipe is made to form the association of a resistance to compression and tension, this copper pipe
Or transmission is far for the conductor of electric current.Also to add layer of polyethylene sheath again in the outside of steel wire and copper pipe.Multilayer tight in this way
Structure be intrusion in order to protect optical fiber, prevent from being broken and preventing seawater, and for being repaired laying and recycling
When can bear huge tension and pressure.
According to submarine communication cable particularity, having the gap will be filled up with waterproof material, while meet submarine communication electricity
Cable uses etc. for a long time in deep-sea to be required, manufacture link take into account it is convenient and reasonable, air-tightness, inoxidizability need it is especially good, therefore
A kind of submarine cable sealant is needed to fill in the cable.
Summary of the invention
It blocks water sealant and its manufacturing method technical problem to be solved by the invention is to provide a kind of submarine cable, the sea
The cable sealant that blocks water in bottom should have excellent adhesive property, excellent leakproofness and antioxygenic property, good resistance to height
Warm nature energy, weatherability and ageing resistance；Manufacturing method should simple process, cost is relatively low.
Present invention provide the technical scheme that
A kind of submarine cable blocks water sealant, including following ingredient and corresponding parts by weight:
A kind of submarine cable blocks water sealant, including following ingredient and corresponding parts by weight:
The curing resin is the thermal response octyl phenolic of methylol group content 8-11% (weight percent).
The olefin block copolymers are chain shuttle polymerization olefin block copolymers.
The viscosity average molecular weigh of the polyisobutene is Mv40000-55000.
The fire retardant is tetrabromobisphenol A.
The antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters.
The olefin block copolymers (OBC) are purchased from Dow company INFUSE9900.
The curing resin takes chemical company purchased from the U.S. ten；SP-145 octyl phenolic.
Submarine cable blocks water the manufacturing method of sealant, carries out in accordance with the following steps:
Step 1: kneader temperature is first heated up to 166 DEG C -170 DEG C, brombutyl is then added and carries out mixing,
Mixing time is about 35-45 minutes；
Vulcanization crosslinking is carried out step 2: curing resin is added in kneader, the time controlled at 40-50 minutes, it is desirable that pinches
Conjunction machine is hermetically sealed；
Step 3: kneader temperature is dropped to 120-125 DEG C, polyisobutene is added in kneader and carries out mixing and is stirred
It mixes, time 55-65 minute；
Step 4: fire retardant and antioxidant are added at 120-125 DEG C for the control of kneader temperature, stir and vacuumize, very
Reciprocal of duty cycle 0.05mPa~0.09mPa, be stirred under vacuum the time 60 divide after by kneader Screw Extrusion, discharging to band epoxy coating packet
Barrelling.
The submarine cable that the present invention obtains blocks water sealant product, can pass through conventional 55 gallons of heated platen hot melt adhesive machine
It is heated to 170 DEG C and is coated and filled construction；It will appear when 170 DEG C of hot melt submarine cables block water sealant coating and filling
Thermal response crosslinking phenomena makes the submarine cable sealant that blocks water form the sealing ring of a reticular structure in cable；Submarine cable
Manufacture it is wrapped during, with submarine cable block water sealant coated on optical fiber and gap in filling insulate closed, can prevent
Only the moisture in air corrodes, and alleviates the influence of the mechanical forces such as vibration, impact, the bending of outer bound pair optical fiber, can especially bear
Seabed immense pressure will not flatten, and remain a network rubber seal state.The submarine cable sealant that blocks water makes seabed
Cable can be in free low-stress state always in Loose tube, so that the microbending loss of optical fiber is reduced to the maximum extent,
Reduce corrosion of the optical fiber under the effect of stress, moisture and moisture.
The product that the present invention obtains, the technical indicator after examining are as follows:
The sealant the beneficial effects of the present invention are: submarine cable obtained blocks water has adhesives range is wide (can be with
To including that the multiple materials such as plastics, leather, fiber, rubber, metal, film, Silk shell fabric are bonded), adhesive property it is excellent,
Leakproofness and the good and easy to use feature of antioxygenic property, and there is high and low temperature resistance outstanding (to be suitable for -40
DEG C -100 DEG C), weatherability and ageing resistance；Its manufacturing approach craft is simple, and advantageously reducing product cost and promoting makes
With.
Specific embodiment
The present invention is with brombutyl, curing resin, chain shuttle polymerization olefin block copolymers (OBC), poly- isobutyl
Alkene, fire retardant and antioxidant four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (antioxidant 1010) are
Raw material, the manufactured semi-cure state after the mixing of mixing vulcanization crosslinking；Increase airtightness with middle-molecular-weihydroxyethyl polyisobutene, glue
Connecing property, trickling property, low temperature flexibility；The addition of chain shuttle polymerization olefin block copolymers (OBC) can be passed through in manufacturing process
Ratio blocks water sealant network structure to enhance submarine cable, and brominated butyl should not be too many as main substrate ratio, can be direct
It influences submarine cable and blocks water the sealant later period using fluency；Curing resin plays decisive role, to adding proportion and sulphur
Changing temperature must be strictly controlled, and curing resin is on the high side to be unfavorable for brominated butyl vulcanization crosslinking, and can burn brombutyl can not
Allow glue in semi-cure state；But curing resin ratio is small to a certain extent, then brominated butyl vulcanization crosslinking cannot achieve, and does not have
The effect of molecule cross-link；Therefore in 100 parts by weight, 10-20 parts of brombutyl, 3-8 parts of curing resin, olefin block copolymers
15-25 parts of object (OBC), 40-60 parts of polyisobutene, 1-3 parts of fire retardant, 0.3-0.5 parts of antioxidant 1010.
Submarine cable provided by the invention blocks water the manufacturing method of sealant, and kneader temperature is first heated up to by the first step
166 DEG C -170 DEG C, then addition brombutyl progress mixing, mixing time 35-45 minutes；Second step adds curing resin
Enter and carry out vulcanization crosslinking in kneader, the time controls 40-50 minutes, it is desirable that kneader is hermetically sealed (to use SP-145 octyl phenolic aldehyde tree
Rouge vulcanizes brombutyl, it is necessary to vulcanize 45 minutes at a temperature of 166-170 DEG C, vulcanizate is in semi-cure state)；Third step
Kneader temperature, which is dropped to 120-125 DEG C, to be mixed in polyisobutene addition kneader, time 55-65 minute；The
Fire retardant is added when four step kneader temperature control 120-125 DEG C and antioxidant is stirred and vacuumized, vacuum degree 0.05mPa~
0.09mPa is stirred under vacuum time 55-65 minutes, then passes through kneader Screw Extrusion, discharging to band epoxy coating pail pack.
Specific embodiment
Data are parts by weight in table.
The manufacturing method of above-mentioned 5 embodiments are as follows:
Kneader temperature is first heated up to 166 DEG C -170 DEG C by the first step, and brombutyl is then added and carries out mixing, close
Refining the time is about 40 minutes；Curing resin is added in kneader and carries out vulcanization crosslinking by second step, and the time controls 45 minutes, it is desirable that
Kneader is hermetically sealed (must to vulcanize 45 at a temperature of 166-170 DEG C with SP-145 octyl phenolic vulcanization brombutyl
Minute, vulcanizate is in semi-cure state)；Kneader temperature is dropped to 120-125 DEG C and kneader is added in polyisobutene by third step
In and be mixed, the time 60 minutes；Fire retardant and antioxygen are added at 120-125 DEG C for the control of 4th step kneader temperature
Agent is stirred and is vacuumized, vacuum degree 0.05mPa~0.09mPa, and the vacuum stirring time 60 divides, and is then squeezed by kneader screw rod
Out, discharging is to epoxy pail pack.
Detection data is as follows:
| Index name | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Density, g/cm3 | 0.95 | 0.95 | 0.95 | 0.93 | 0.92 |
| Softening point DEG C | 130 | 131 | 132 | 132 | 138 |
| 170 DEG C of cps of viscosity | 12000 | 18800 | 19700 | 25000 | 48300 |
| 100 DEG C of heat-resisting creep properties | It wriggles | It does not wriggle | It does not wriggle | It does not wriggle | It does not wriggle |
| - 40 DEG C of low temperature flexibility | Not embrittlement | Not embrittlement | Not embrittlement | Not embrittlement | Not embrittlement |
| Block water bar | 6 | 12 | 15 | 7 | 5 |
| Dielectric constant | 4.0 | 2.2 | 1.8 | 2.5 | 3.7 |
| Glass transition temperature Tg | -63 | -62 | -65 | -48 | -40 |
It is learnt by above-mentioned detection data table:
Embodiment 1: brominated butyl ratio is small, and curing resin ratio is small；Viscosity is small, and dielectric constant, which does not reach requirement to block water, to be reached
Less than requiring.
Embodiment 2: brominated butyl proportional amount increases, and curing resin ratio increases；Viscosity increases, dielectric constant meets skill
Art requirement.
Embodiment 3: brominated butyl proportional amount increases, curing resin constant rate；Viscosity increases, dielectric constant conforms to
It asks；Glass transition temperature reaches minimum and meets the requirements.
Embodiment 4: brominated butyl proportional amount, which increases content, to be continued to increase；Curing resin ratio increases；Viscosity exceeds skill
Art requirement, dielectric constant is not up to standard, and glass transition temperature is not up to standard.
Embodiment 5: brominated butyl proportional amount, which increases content, to be continued to increase；Curing resin ratio reduces；Viscosity is significantly
Increase cannot meet construction demand, softening point raising cannot meet the requirements, and dielectric constant is not up to standard, and glass transition temperature cannot
It meets the requirements.
Obvious: embodiment 2 to the obtained product of embodiment 3 has comparatively ideal effect.
It is blocked water sealant using the submarine cable that embodiment 2 obtains, the submarine communication cable finished product after being filled sealing；
Test result is as follows:
It is blocked water sealant using the submarine cable that embodiment 3 obtains, the submarine communication cable finished product after being filled sealing；
Test result is as follows:
The detection data of above-mentioned submarine communication cable shows that the submarine communication cable complies with the national standard requirements, and can bear
Seabed immense pressure is without being crushed.
Claims (8)
- The sealant 1. a kind of submarine cable blocks water, including following ingredient and corresponding parts by weight:
- The sealant 2. submarine cable according to claim 1 blocks water, it is characterised in that: the ingredient of the sealant and corresponding weight Measure part are as follows:
- The sealant 3. submarine cable according to claim 1 or 2 blocks water, it is characterised in that: the curing resin is hydroxyl first The thermal response octyl phenolic of base content 8-11%.
- The sealant 4. submarine cable according to claim 3 blocks water, it is characterised in that: the olefin block copolymers are Chain shuttle polymerization olefin block copolymers.
- The sealant 5. submarine cable according to claim 4 blocks water, it is characterised in that: the viscous of the polyisobutene is divided equally Son amount is Mv40000-55000.
- The sealant 6. submarine cable according to claim 5 blocks water, it is characterised in that: the fire retardant is tetrabromobisphenol A。
- The sealant 7. submarine cable according to claim 6 blocks water, it is characterised in that: the antioxidant be four [β-(3, 5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
- The manufacturing method of sealant 8. submarine cable described in claim 1 blocks water carries out as follows:Step 1: kneader temperature is first heated up to 166 DEG C -170 DEG C, brombutyl is then added and carries out mixing, mixing Time 35-45 minute；Vulcanization crosslinking is carried out step 2: curing resin is added in kneader, the time controls 40-50 minutes, it is desirable that kneader is complete Sealing；Step 3: kneader temperature is dropped to 120-125 DEG C, polyisobutene is added and is mixed, time 55-65 minute；Step 4: the control of kneader temperature at 120-125 DEG C, is added fire retardant and antioxidant is stirred and vacuumized, vacuum degree 0.05mPa~0.09mPa passes through kneader Screw Extrusion, discharging to band epoxy coating packet after 55-65 minutes stirring vacuum time Barrelling.
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| CN111269668A (en) * | 2020-03-27 | 2020-06-12 | 山东双圆密封科技有限公司 | Exposed flexible flashing sealing repairing adhesive tape and preparation method thereof |
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| CN109096953B (en) | 2020-12-04 |
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Denomination of invention: The invention relates to a water blocking sealant for submarine cable and a manufacturing method thereof Effective date of registration: 20220406 Granted publication date: 20201204 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: HANGZHOU HANGAO NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2022330000460 |
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Denomination of invention: A water blocking sealant for submarine cables and its manufacturing method Effective date of registration: 20230328 Granted publication date: 20201204 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: HANGZHOU HANGAO NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2023330000613 |
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