CN105001495A - Wear-resistant sheathing material for optical fiber and preparing method thereof - Google Patents

Wear-resistant sheathing material for optical fiber and preparing method thereof Download PDF

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Publication number
CN105001495A
CN105001495A CN201510474359.7A CN201510474359A CN105001495A CN 105001495 A CN105001495 A CN 105001495A CN 201510474359 A CN201510474359 A CN 201510474359A CN 105001495 A CN105001495 A CN 105001495A
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China
Prior art keywords
parts
wear
optical fiber
magnesium hydroxide
mixing
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Pending
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CN201510474359.7A
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Chinese (zh)
Inventor
陆军
孟亮
张坤
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Anhui Telecom Equipment Trading Industry Co Ltd
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Anhui Telecom Equipment Trading Industry Co Ltd
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Priority to CN201510474359.7A priority Critical patent/CN105001495A/en
Publication of CN105001495A publication Critical patent/CN105001495A/en
Pending legal-status Critical Current

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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
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
    • 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
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/18—Binary blends of expanding agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

Abstract

The invention discloses a wear-resistant sheathing material for optical fiber. The wear-resistant sheathing material is prepared by, by weight, 50-55 parts of low-density polyethylene, 13-15 parts of EVA resin, 9-12 parts of nylon 6, 14-16 parts of magnesium hydrate, 0.6-0.8 part of dispersing agent NNO, 1.3-2 parts of titanate coupling agents 102, 5-8 parts of organic silicon, 3-5 parts of organic montmorillonite, 2-4 parts of vinyl acetate, 3-4 parts of oxidized polyethlene wax, 3-4 parts of calcium acetylacetonate, 4-5 parts of coal ash, 4-5 parts of zinc hydroxystannate and a proper amount of deionized water. The preparing method of the wear-resistant sheathing material is simple, very good wear-resisting performance is achieved, the influences of the external environment are reduced, the service life is prolonged, and application prospects are wide.

Description

A kind of optical fiber wear-resistance protective sleeve material and preparation method thereof
Technical field
The present invention relates to optical fiber jacket material technical field, particularly relate to a kind of optical fiber wear-resistance protective sleeve material and preparation method thereof.
Background technology
Along with the develop rapidly of data communication industry, optical fiber is just widely adopted as the carrier of data transmission.The laying form of optical fiber is buried and built on stilts, and along with the transformation of city netting twine, major part goes underground.In order to prevent the optical fiber of underground, optical fiber suffers insect bite or corrosion, and the sheath material of optical fiber and optical fiber arises at the historic moment.Current optical fiber, optical fiber jacket material mainly use polyolefine, have light weight, flexural strength is large, frictional coefficient is little, good seal performance, the feature such as corrosion-resistant, but this tubing also exists extremely incendive shortcoming.Initial in order to improve the flame retardant properties of sheath protecting materials; general interpolation contains the fire retardant of halogen; these type of fiber optic cables can release a large amount of smog and hydrogen halide in combustion; people is made to be choked to death in fire; simultaneously comparatively large to plant and instrument corrodibility, therefore the development and application of low cigarette, low halogen and bittern-free flame-proof material has been one of developing direction of domestic and international fiber optic cables and other field.
Inorganic no-halogen fire retardant has stronger polarity and wetting ability, and polyolefine is non-polar material, poor compatibility between the two, interface is difficult to form good combination and bonding, particularly magnesium hydroxide magnesium hydroxide has excellent fire-retardant, press down cigarette, resistance is dripped, antiacid several functions such as grade, be widely used, but magnesium hydroxide polarity is strong, different from resin thermal expansivity, expand with heat and contract with cold during machine-shaping and cause two-phase interface to form microcrack, this will cause the mechanical property of material, water resistance, the decline of insulating property, so surface modification must be carried out to magnesium hydroxide, make magnesium hydroxide in polyolefine, have good over-all properties, have at processing temperatures in good mobility and use temperature and have high intensity and toughness concurrently, and do not change the shock resistance of polyolefine section bar.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of optical fiber wear-resistance protective sleeve material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of optical fiber wear-resistance protective sleeve material, is made up of the raw material of following weight part: Low Density Polyethylene 50-55, EVA resin 13-15, nylon 69-12, magnesium hydroxide 14-16, sodium methylene bis-naphthalene sulfonate 0.6-0.8, titanate coupling agent 1021.3-2, organosilicon 5-8, organo montmorillonite 3-5, vinyl acetate 2-4, oxidized polyethlene wax 3-4, calcium acetylacetonate 3-4, flyash 4-5, zinc hydroxyl stannate 4-5, deionized water are appropriate;
Described a kind of optical fiber wear-resistance protective sleeve material, be made up of following concrete steps:
(1) 10-15min is processed after magnesium hydroxide drying with sodium methylene bis-naphthalene sulfonate colloid mixture mill, again by titanate coupling agent 102 with after appropriate alcohol dilution, on spray magnesium hydroxide powder after treatment, at room temperature stir 20-30min in low speed kneader, mix rear raised temperature to 70-90 ° of C, organosilicon and organo montmorillonite is slowly added under 800-1000 rev/min of rotating speed, for subsequent use after naturally cooling after stirring 40-60min;
(2) first Low Density Polyethylene, EVA resin and nylon 6 is added in mixing roll, mixing 6-12min at 100-120 ° of C temperature, then add Cellmic C 121 and urea mixing and stirring is for subsequent use;
(3) vinyl acetate is added the deionized water dilution of 2-3 times amount, then add flyash and calcium acetylacetonate, supersound process 6-10min under 90W, filter post-drying and add the mixing of all the other remaining components again, stir in low-speed mixer;
(4) the above-mentioned raw material obtained in steps is thrown in twin screw extruder carry out extruding pelletization, the temperature of twin screw extruder is set as a district 145-165 ° C, two district 150-170 ° C, three district 140-160 ° C, head 155-165 ° C, machine mould 170-190 ° of C, after pellet drying, screening, packaging.
Advantage of the present invention is: the present invention adopts titanate coupling agent process magnesium hydroxide to form titanic acid ester unimolecular film on its surface, magnesium hydroxide is made to obtain good dispersiveness, wetting angle and coupling effect, reduce surface energy, increase consistency, the organosilicon added and organo montmorillonite have the effect of cooperative flame retardant, decrease the loading level of magnesium hydroxide, the mechanical property of material is improved while ensureing oxygen index, and add its consistency in polyolefine, the process of filling surface vinyl acetate strengthens consistency in polyolefine and easily disperse, its shock proof performance can not be changed, polyethylene by with EVA resin, nylon 6 compound is mixing and add the hardness that whipping agent fretting map greatly improves polyolefin jacket material, intensity and wear resisting property, the flyash added and calcium acetylacetonate act synergistically mutually, improve the corrosion-resistant of sheath material, wear-resisting, the effect of the aspect such as ageing-resistant, preparation method of the present invention is simple, there is good wear resisting property, decrease the impact of external environment, extend work-ing life, application prospect is extensive.
Embodiment
A kind of optical fiber wear-resistance protective sleeve material, is made up of the raw material of following weight part (kilogram): Low Density Polyethylene 50, EVA resin 13, nylon 69, magnesium hydroxide 14, sodium methylene bis-naphthalene sulfonate 0.6, titanate coupling agent 1021.3, organosilicon 5, organo montmorillonite 3, vinyl acetate 2, oxidized polyethlene wax 3, calcium acetylacetonate 3, flyash 4, zinc hydroxyl stannate 4, deionized water are appropriate;
Described a kind of optical fiber wear-resistance protective sleeve material, be made up of following concrete steps:
(1) 10min is processed after magnesium hydroxide drying with sodium methylene bis-naphthalene sulfonate colloid mixture mill, again by titanate coupling agent 102 with after appropriate alcohol dilution, on spray magnesium hydroxide powder after treatment, at room temperature stir 20min in low speed kneader, mix rear raised temperature to 70 ° C, organosilicon and organo montmorillonite is slowly added under 800 revs/min of rotating speeds, for subsequent use after naturally cooling after stirring 40min;
(2) first Low Density Polyethylene, EVA resin and nylon 6 is added in mixing roll, mixing 6min at 100 ° of C temperature, then add Cellmic C 121 and urea mixing and stirring is for subsequent use;
(3) vinyl acetate is added the deionized water dilution of 2 times amount, then add flyash and calcium acetylacetonate, supersound process 6min under 90W, filter post-drying and add the mixing of all the other remaining components again, stir in low-speed mixer;
(4) thrown in twin screw extruder by the above-mentioned raw material obtained in steps and carry out extruding pelletization, the temperature of twin screw extruder is set as 145 °, district C, two 150 °, district C, three 140 °, district C, head 155 ° of C, machine mould 170 ° of C, after pellet drying, screening, packaging.
Carry out performance test to optical fiber jacket prepared by embodiment, test result is as follows: breaking tenacity is 12.3Mpa, and elongation at break is 172%, and limiting oxygen index(LOI) is 36%, and volume specific resistance is 1.3 × 10 14Ω. m, tensile strength retention rate (158 ° of C, 168h) is 76%, and reserved elongation at break (158 ° of C, 168h) is 81%.

Claims (2)

1. an optical fiber wear-resistance protective sleeve material, it is characterized in that, be made up of the raw material of following weight part: Low Density Polyethylene 50-55, EVA resin 13-15, nylon 69-12, magnesium hydroxide 14-16, sodium methylene bis-naphthalene sulfonate 0.6-0.8, titanate coupling agent 1021.3-2, organosilicon 5-8, organo montmorillonite 3-5, vinyl acetate 2-4, oxidized polyethlene wax 3-4, calcium acetylacetonate 3-4, flyash 4-5, zinc hydroxyl stannate 4-5, deionized water are appropriate.
2. a kind of optical fiber wear-resistance protective sleeve material according to claim 1, is characterized in that, be made up of following concrete steps:
(1) 10-15min is processed after magnesium hydroxide drying with sodium methylene bis-naphthalene sulfonate colloid mixture mill, again by titanate coupling agent 102 with after appropriate alcohol dilution, on spray magnesium hydroxide powder after treatment, at room temperature stir 20-30min in low speed kneader, mix rear raised temperature to 70-90 ° of C, organosilicon and organo montmorillonite is slowly added under 800-1000 rev/min of rotating speed, for subsequent use after naturally cooling after stirring 40-60min;
(2) first Low Density Polyethylene, EVA resin and nylon 6 is added in mixing roll, mixing 6-12min at 100-120 ° of C temperature, then add Cellmic C 121 and urea mixing and stirring is for subsequent use;
(3) vinyl acetate is added the deionized water dilution of 2-3 times amount, then add flyash and calcium acetylacetonate, supersound process 6-10min under 90W, filter post-drying and add the mixing of all the other remaining components again, stir in low-speed mixer;
(4) the above-mentioned raw material obtained in steps is thrown in twin screw extruder carry out extruding pelletization, the temperature of twin screw extruder is set as a district 145-165 ° C, two district 150-170 ° C, three district 140-160 ° C, head 155-165 ° C, machine mould 170-190 ° of C, after pellet drying, screening, packaging.
CN201510474359.7A 2015-08-06 2015-08-06 Wear-resistant sheathing material for optical fiber and preparing method thereof Pending CN105001495A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110423392A (en) * 2019-07-25 2019-11-08 安徽电缆股份有限公司 A kind of processing technology of the harsh cable jacket material of three generations's nuclear power station

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101407612A (en) * 2008-11-11 2009-04-15 丹东德成化工有限公司 Soft thermoplastic sheath material for mobile electric power and control cable
CN102775666A (en) * 2012-07-05 2012-11-14 哈尔滨理工大学 Full-medium self-supporting electric power optical cable high-density polyethylene jacket material and production method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101407612A (en) * 2008-11-11 2009-04-15 丹东德成化工有限公司 Soft thermoplastic sheath material for mobile electric power and control cable
CN102775666A (en) * 2012-07-05 2012-11-14 哈尔滨理工大学 Full-medium self-supporting electric power optical cable high-density polyethylene jacket material and production method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110423392A (en) * 2019-07-25 2019-11-08 安徽电缆股份有限公司 A kind of processing technology of the harsh cable jacket material of three generations's nuclear power station

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Application publication date: 20151028