CN108587039A - A kind of corrosion resistant submarine optical fiber cable sheath material and preparation method thereof - Google Patents
A kind of corrosion resistant submarine optical fiber cable sheath material and preparation method thereof Download PDFInfo
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- 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
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- H01B3/307—Other macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
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- C08L2203/00—Applications
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- C—CHEMISTRY; METALLURGY
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Abstract
The invention discloses a kind of corrosion resistant submarine optical fiber cable sheath materials and preparation method thereof, which includes the raw material of following parts by weight：40 60 parts of styrene butadiene block copolymer, 10 20 parts of high molecular weight dimethyl silicone polymer, 6 15 parts of nano-calcium carbonate powder, 5 10 parts of expanded perlite, 6 12 parts of brucite fiber, 4 10 parts of Abietyl modified maleic acid resin, 0.6 3.5 parts of sorbitan fatty acid ester, 0.5 2 parts of epoxy tetrahydrophthalic acid two (2 ethyl hexyl) ester, 25 parts of white carbon, 0.3 0.6 parts of magnesium stearate, 0.05 0.2 parts of antioxidant, 2.2 2.8 parts of ultra-violet absorber；Preparation method includes mixing and mixing.The sheath material of the present invention has excellent corrosion resistance, tensile strength, flexural strength, improves the corrosion resistance, stability and service life of submarine optical fiber cable.
Description
Technical field
The present invention relates to Cable jacket materials technical fields, and in particular to a kind of corrosion resistant submarine optical fiber cable sheath material and
Preparation method.
Background technology
Submarine optical fiber cable, also known as submarine communications cable are laid on seabed and are used for establishing the telecommunication transmission between country.Submarine Optical
The basic structure of cable is：Polyethylene layer, polyester resin or bitumen layer, steel strand wires layer, aluminum waterproof layer, Polycarbonate Layer, copper pipe
Or aluminum pipe, fiber optic bundle etc..Polyethylene layer needs excellent waterproof, high pressure resistant, corrosion resistant as the outermost protective layer of submarine optical fiber cable
The performances such as erosion.But the corrosion resistance of the sheath of current polyethylene layer is poor, impregnates be easy to happen corruption in the seawater for a long time
Erosion is damaged, needs to inspect periodically maintenances, is required it is difficult to meet 25 years service life, there is an urgent need for the sheath material to submarine optical fiber cable into
The further research of row.
The patent of invention of application number 201310638167.6 discloses a kind of corrosion-resistant super flexible cable sheath material of oil resistant,
Including styrene-ethylene-butylene-styrene block copolymer, propylene-ethylene-octene copolymer, super high molecular weight poly dimethyl
Siloxanes, hycar, cumyl peroxide, low molecular weight polyethylene graft, phosphor nitrogen combustion inhibitor, resistance
Synergist, antismoke agent, antioxidant, lubricant, ultraviolet-resistance masterbatch are fired, squeezing out the sheath material that processing obtains has well
Resistance to greasy dirt, resistance to mud, corrosion-resistant, flame retardant property, material softness, bending amplitude is big.But as the sheath material of submarine optical fiber cable
Material, soft quality are easily bent deformation under the high-pressure situations of seabed, and fire retardation does not play excessive work in seabed yet
With being required further improvement on corrosion resistance, to improve the service life of submarine optical fiber cable.
Invention content
In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of corrosion resistant submarine optical fiber cable sheath materials
Material and preparation method thereof, with styrene-butadiene block copolymer (SBS) with the inert high-molecular-weight poly of good chemical two
It after methylsiloxane mixing, then with a variety of filler materials, auxiliary agent processes to obtain, obtained sheath material has excellent corrosion-resistant
Property, tensile strength, flexural strength, improve the corrosion resistance, stability and service life of submarine optical fiber cable.
The purpose of the present invention can be achieved through the following technical solutions：
The present invention provides a kind of corrosion resistant submarine optical fiber cable sheath materials, include the raw material of following parts by weight：Styrene-
It is 40-60 parts of butadiene block copolymer, 10-20 parts of high molecular weight dimethyl silicone polymer, 6-15 parts of nano-calcium carbonate powder, swollen
Swollen perlite 5-10 parts, 6-12 parts of brucite fiber, maleic acid resin 4-10 parts Abietyl modified, sorbitan fatty acid ester
0.6-3.5 parts, 0.5-2 parts of epoxy tetrahydrophthalic acid two (2- ethyl hexyls) ester, 2-5 parts of white carbon, magnesium stearate 0.3-0.6
Part, 0.05-0.2 parts of antioxidant, 2.2-2.8 parts of ultra-violet absorber；
The Butadiene/Styrene ratio of the styrene-butadiene block copolymer is 70/30, and melt flow rate (MFR) is
17g/10min, elongation at break 750%；The molecular weight of the high molecular weight dimethyl silicone polymer is more than 1,000,000；It is described
The softening point of Abietyl modified maleic acid resin is 125-135 DEG C, acid value≤35mg/KOH.
As a further solution of the present invention, the sheath material includes the raw material of following parts by weight：Styrene-butadiene
48 parts of block copolymer, 16 parts of high molecular weight dimethyl silicone polymer, 12 parts of nano-calcium carbonate powder, 8 parts of expanded perlite, water
9 parts of magnesite fiber, 6 parts of Abietyl modified maleic acid resin, 2.6 parts of sorbitan fatty acid ester, epoxy tetrahydrophthalic acid
Two 0.8 part of (2- ethyl hexyls) esters, 3 parts of white carbon, 0.5 part of magnesium stearate, 0.08 part of antioxidant, 2.6 parts of ultra-violet absorber.
As a further solution of the present invention, the hydroxyl value of the sorbitan fatty acid ester is 240-270mgKOH/g,
Saponification number is 150-160mgKOH/g, and fusing point is 52-54 DEG C.
As a further solution of the present invention, the antioxidant is (2,4- di-tert-butyl-phenyl) tris phosphite, institute
It is 2,4 dihydroxyl benzophenone to state ultra-violet absorber.
The present invention also provides the preparation methods of above-mentioned corrosion resistant submarine optical fiber cable sheath material, include the following steps：
1) styrene-butadiene block copolymer, high molecular weight dimethyl silicone polymer are weighed according to parts by weight, be added close
In mill, after 128 DEG C keep the temperature mixing 5min, coolant liquid spraying cooling obtains mixture A to room temperature in 45s；
2) nano-calcium carbonate powder, expanded perlite, white carbon, brucite fiber, Abietyl modified is added into mixture A
Maleic acid resin, antioxidant, ultra-violet absorber are warming up to 125 DEG C, after being kneaded 3min, add sorbitan fatty
Acid esters, epoxy tetrahydrophthalic acid two (2- ethyl hexyls) ester, magnesium stearate are cooled to 115 DEG C of mixing 3min, obtain mixture
B；
3) mixture B is passed through extruding pelletization in double screw extruder while hot, obtains the submarine optical fiber cable sheath material.
As a further solution of the present invention, the machine barrel of the double screw extruder is divided into five areas, one area's temperature of machine barrel
It it is 120-125 DEG C, two area's temperature of machine barrel is 130-135 DEG C, and three area's temperature of machine barrel is 145-150 DEG C, and four area's temperature of machine barrel is
160-165 DEG C, five area's temperature of machine barrel is 170-180 DEG C, head pressure 5MPa.
Beneficial effects of the present invention：
1, corrosion-resistant submarine optical fiber cable sheath material of the invention, with styrene-butadiene block copolymer (SBS) with have
Base-material is obtained after the inert high molecular weight dimethyl silicone polymer mixing of good chemical, it is precious using nano-calcium carbonate powder, expansion
Zhu Yan, brucite fiber are as the base-material enhancing of lightweight, supporting material, using the Abietyl modified maleic acid tree of environment-friendlyplasticizer plasticizer
Fat, epoxy tetrahydrophthalic acid two (2- ethyl hexyls) ester, magnesium stearate, using sorbitan fatty acid ester as emulsification
Agent, above-mentioned a variety of auxiliary agent fillers and base-material complex compounding, obtained sheath material have excellent corrosion resistance, stretch by force
Degree, flexural strength, improve the corrosion resistance, stability and service life of submarine optical fiber cable.
2, the preparation method of corrosion-resistant submarine optical fiber cable sheath material of the invention, using the processing of mixing extrusion after first mixing
Method, stringent control time and temperature, when twin-screw extrusion, accurately control the temperature in five areas of machine barrel, obtained sheath material
Can be excellent, the problem of avoiding the unstable quality that traditional blending extrusion method is brought.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of corrosion resistant submarine optical fiber cable sheath material, includes the raw material of following parts by weight：Styrene-Butadiene block is total
48 parts of polymers, 16 parts of high molecular weight dimethyl silicone polymer, 12 parts of nano-calcium carbonate powder, 8 parts of expanded perlite, shepardite are fine
9 parts of dimension, 6 parts of Abietyl modified maleic acid resin, 2.6 parts of sorbitan fatty acid ester, (the 2- second of epoxy tetrahydrophthalic acid two
Base oneself) 0.8 part of ester, 3 parts of white carbon, 0.5 part of magnesium stearate, antioxidant (2,4- di-tert-butyl-phenyls) tris phosphite 0.08
Part, 2.6 parts of ultra-violet absorber 2,4 dihydroxyl benzophenone.Wherein, the butadiene of styrene-butadiene block copolymer/
Styrene percentage is 70/30, melt flow rate (MFR) 17g/10min, elongation at break 750%；High molecular weight poly dimethyl
The molecular weight of siloxanes is more than 1,000,000；The softening point of Abietyl modified maleic acid resin is 125-135 DEG C, acid value≤35mg/KOH；
The hydroxyl value of sorbitan fatty acid ester is 240-270mgKOH/g, saponification number 150-160mgKOH/g, fusing point 52-54
℃。
The preparation method of the corrosion resistant submarine optical fiber cable sheath material of the present embodiment, includes the following steps：
1) styrene-butadiene block copolymer, high molecular weight dimethyl silicone polymer are weighed according to parts by weight, be added close
In mill, after 128 DEG C keep the temperature mixing 5min, coolant liquid spraying cooling obtains mixture A to room temperature in 45s.
2) nano-calcium carbonate powder, expanded perlite, white carbon, brucite fiber, Abietyl modified is added into mixture A
Maleic acid resin, antioxidant, ultra-violet absorber are warming up to 125 DEG C, after being kneaded 3min, add sorbitan fatty
Acid esters, epoxy tetrahydrophthalic acid two (2- ethyl hexyls) ester, magnesium stearate are cooled to 115 DEG C of mixing 3min, obtain mixture
B。
3) mixture B is passed through extruding pelletization in double screw extruder while hot, obtains the submarine optical fiber cable sheath material.Wherein,
The machine barrel of double screw extruder is divided into five areas, and one area's temperature of machine barrel is 120-125 DEG C, and two area's temperature of machine barrel is 130-135 DEG C,
Three area's temperature of machine barrel is 145-150 DEG C, and four area's temperature of machine barrel is 160-165 DEG C, and five area's temperature of machine barrel is 170-180 DEG C, head
Pressure is 5MPa.
Embodiment 2
A kind of corrosion resistant submarine optical fiber cable sheath material, includes the raw material of following parts by weight：Styrene-Butadiene block is total
53 parts of polymers, 15 parts of high molecular weight dimethyl silicone polymer, 13 parts of nano-calcium carbonate powder, 6 parts of expanded perlite, shepardite are fine
8 parts of dimension, 6 parts of Abietyl modified maleic acid resin, 2.0 parts of sorbitan fatty acid ester, (the 2- second of epoxy tetrahydrophthalic acid two
Base oneself) 0.9 part of ester, 2 parts of white carbon, 0.3 part of magnesium stearate, antioxidant (2,4- di-tert-butyl-phenyls) tris phosphite 0.08
Part, 2.3 parts of ultra-violet absorber 2,4 dihydroxyl benzophenone.Wherein, the butadiene of styrene-butadiene block copolymer/
Styrene percentage is 70/30, melt flow rate (MFR) 17g/10min, elongation at break 750%；High molecular weight poly dimethyl
The molecular weight of siloxanes is more than 1,000,000；The softening point of Abietyl modified maleic acid resin is 125-135 DEG C, acid value≤35mg/KOH；
The hydroxyl value of sorbitan fatty acid ester is 240-270mgKOH/g, saponification number 150-160mgKOH/g, fusing point 52-54
℃。
The preparation method of the corrosion resistant submarine optical fiber cable sheath material of the present embodiment is same as Example 1.
Embodiment 3
A kind of corrosion resistant submarine optical fiber cable sheath material, includes the raw material of following parts by weight：Styrene-Butadiene block is total
42 parts of polymers, 18 parts of high molecular weight dimethyl silicone polymer, 12 parts of nano-calcium carbonate powder, 8 parts of expanded perlite, shepardite are fine
10 parts of dimension, 9 parts of Abietyl modified maleic acid resin, 2.4 parts of sorbitan fatty acid ester, two (2- of epoxy tetrahydrophthalic acid
Ethyl hexyl) 1.4 parts of ester, 4 parts of white carbon, 0.5 part of magnesium stearate, antioxidant (2,4- di-tert-butyl-phenyls) tris phosphite
0.15 part, 2.2 parts of ultra-violet absorber 2,4 dihydroxyl benzophenone.Wherein, the fourth two of styrene-butadiene block copolymer
Alkene/styrene percentage is 70/30, melt flow rate (MFR) 17g/10min, elongation at break 750%；High-molecular-weight poly diformazan
The molecular weight of radical siloxane is more than 1,000,000；The softening point of Abietyl modified maleic acid resin is 125-135 DEG C, acid value≤35mg/
KOH；The hydroxyl value of sorbitan fatty acid ester is 240-270mgKOH/g, saponification number 150-160mgKOH/g, fusing point 52-
54℃。
The preparation method of the corrosion resistant submarine optical fiber cable sheath material of the present embodiment is same as Example 1.
Embodiment 4
A kind of corrosion resistant submarine optical fiber cable sheath material, includes the raw material of following parts by weight：Styrene-Butadiene block is total
60 parts of polymers, 20 parts of high molecular weight dimethyl silicone polymer, 10 parts of nano-calcium carbonate powder, 10 parts of expanded perlite, shepardite
11 parts of fiber, 8 parts of Abietyl modified maleic acid resin, 3.2 parts of sorbitan fatty acid ester, epoxy tetrahydrophthalic acid two
1.6 parts of (2- ethyl hexyls) ester, 5 parts of white carbon, 0.6 part of magnesium stearate, antioxidant (2,4- di-tert-butyl-phenyls) phosphorous acid three
0.17 part of ester, 2.6 parts of ultra-violet absorber 2,4 dihydroxyl benzophenone.Wherein, the fourth of styrene-butadiene block copolymer
Diene/styrene percentage is 70/30, melt flow rate (MFR) 17g/10min, elongation at break 750%；High-molecular-weight poly two
The molecular weight of methylsiloxane is more than 1,000,000；The softening point of Abietyl modified maleic acid resin is 125-135 DEG C, acid value≤35mg/
KOH；The hydroxyl value of sorbitan fatty acid ester is 240-270mgKOH/g, saponification number 150-160mgKOH/g, fusing point 52-
54℃。
The preparation method of the corrosion resistant submarine optical fiber cable sheath material of the present embodiment is same as Example 1.
Comparative example 1
With reference to the sheath material prepared in embodiment 1 in 201310638167.6 patent of application number.
Performance test
To the corrosion resistance, tensile strength, flexural strength of the embodiment 1-4 corrosion-resistant submarine optical fiber cable sheath materials prepared
It is tested, wherein corrosion resistance test is the deep sea water for taking 1L, is divided into acid proof test group and alkaline-resisting test group, alkaline-resisting
Test group is added sodium hydrate particle and the mass concentration of sodium hydroxide is made to reach 40%, and alkaline-resisting test group is added the concentrated sulfuric acid and makes
The volumetric concentration of sulfuric acid reaches 25%, and sheath material is impregnated wherein, and the number of days of apparent corrosion variation occurs for observation material.Specifically
As a result it see the table below：
As can be seen from the above table, the sheath material of the embodiment of the present invention is compared with comparative example, tensile strength and counter-bending strong
Degree is high, good to acid-alkali-corrosive-resisting, improves the corrosion resistance, stability and service life of submarine optical fiber cable, is suitble to promote the use of.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (6)
1. a kind of corrosion resistant submarine optical fiber cable sheath material, which is characterized in that include the raw material of following parts by weight：Styrene-fourth
40-60 parts of diene block copolymer, 10-20 parts of high molecular weight dimethyl silicone polymer, 6-15 parts of nano-calcium carbonate powder, expansion
5-10 parts of perlite, 6-12 parts of brucite fiber, maleic acid resin 4-10 parts Abietyl modified, sorbitan fatty acid ester 0.6-
3.5 parts, 0.5-2 parts of epoxy tetrahydrophthalic acid two (2- ethyl hexyls) ester, 2-5 parts of white carbon, 0.3-0.6 parts of magnesium stearate,
0.05-0.2 parts of antioxidant, 2.2-2.8 parts of ultra-violet absorber；
The Butadiene/Styrene ratio of the styrene-butadiene block copolymer is 70/30, melt flow rate (MFR) 17g/
10min, elongation at break 750%；The molecular weight of the high molecular weight dimethyl silicone polymer is more than 1,000,000；The rosin
The softening point of modified maleic resin is 125-135 DEG C, acid value≤35mg/KOH.
2. corrosion resistant submarine optical fiber cable sheath material according to claim 1, which is characterized in that the sheath material includes
The raw material of following parts by weight：48 parts of styrene-butadiene block copolymer, high molecular weight dimethyl silicone polymer 16 part, nanometer
12 parts of calcium carbonate powder, 8 parts of expanded perlite, 9 parts of brucite fiber, 6 parts of Abietyl modified maleic acid resin, Sorbitan alcohol ester
2.6 parts of fat acid esters, 3 parts of white carbon, 0.5 part of magnesium stearate, resists 0.8 part of epoxy tetrahydrophthalic acid two (2- ethyl hexyls) ester
0.08 part of oxidant, 2.6 parts of ultra-violet absorber.
3. corrosion resistant submarine optical fiber cable sheath material according to claim 1, which is characterized in that the Sorbitan alcohol ester
The hydroxyl value of fat acid esters is 240-270mgKOH/g, and saponification number 150-160mgKOH/g, fusing point is 52-54 DEG C.
4. corrosion resistant submarine optical fiber cable sheath material according to claim 1, which is characterized in that the antioxidant is
(2,4- di-tert-butyl-phenyl) tris phosphite, the ultra-violet absorber are 2,4-DihydroxyBenzophenone.
5. a kind of preparation method according to the corrosion resistant submarine optical fiber cable sheath material of claim 1-4 any one of them, special
Sign is, includes the following steps：
1) styrene-butadiene block copolymer, high molecular weight dimethyl silicone polymer are weighed according to parts by weight, mixer is added
In, after 128 DEG C keep the temperature mixing 5min, coolant liquid spraying cooling obtains mixture A to room temperature in 45s；
2) nano-calcium carbonate powder, expanded perlite, white carbon, brucite fiber, Abietyl modified Malaysia are added into mixture A
Acid resin, antioxidant, ultra-violet absorber, are warming up to 125 DEG C, after being kneaded 3min, add sorbitan fatty acid ester,
Epoxy tetrahydrophthalic acid two (2- ethyl hexyls) ester, magnesium stearate are cooled to 115 DEG C of mixing 3min, obtain mixture B；
3) mixture B is passed through extruding pelletization in double screw extruder while hot, obtains the submarine optical fiber cable sheath material.
6. the preparation method of corrosion resistant submarine optical fiber cable sheath material according to claim 5, which is characterized in that described double
The machine barrel of screw extruder is divided into five areas, and one area's temperature of machine barrel is 120-125 DEG C, and two area's temperature of machine barrel is 130-135 DEG C, machine
Three area's temperature of cylinder are 145-150 DEG C, and four area's temperature of machine barrel is 160-165 DEG C, and five area's temperature of machine barrel is 170-180 DEG C, head pressure
Power is 5MPa.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111647249A (en) * | 2020-06-18 | 2020-09-11 | 安徽高胜电讯材料有限公司 | Long-life corrosion-resistant modifier for optical cable sheath |
| CN113495334A (en) * | 2020-04-08 | 2021-10-12 | 苏州希倍优辊轮有限公司 | Optical cable protection device for underwater fixed observation equipment and use method thereof |
| CN113715188A (en) * | 2021-07-20 | 2021-11-30 | 扬州金森光电材料有限公司 | Preparation process and production device of material special for corrosion-resistant and compression-resistant loose tube for optical cable |
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| CN113495334A (en) * | 2020-04-08 | 2021-10-12 | 苏州希倍优辊轮有限公司 | Optical cable protection device for underwater fixed observation equipment and use method thereof |
| CN111647249A (en) * | 2020-06-18 | 2020-09-11 | 安徽高胜电讯材料有限公司 | Long-life corrosion-resistant modifier for optical cable sheath |
| CN113715188A (en) * | 2021-07-20 | 2021-11-30 | 扬州金森光电材料有限公司 | Preparation process and production device of material special for corrosion-resistant and compression-resistant loose tube for optical cable |
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