CN106398845A - Super absorbent expansion water blocking paste and preparation method thereof - Google Patents

Super absorbent expansion water blocking paste and preparation method thereof Download PDF

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Publication number
CN106398845A
CN106398845A CN201610698372.5A CN201610698372A CN106398845A CN 106398845 A CN106398845 A CN 106398845A CN 201610698372 A CN201610698372 A CN 201610698372A CN 106398845 A CN106398845 A CN 106398845A
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Prior art keywords
optical cable
water blocking
super absorbent
hour
paste
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CN201610698372.5A
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Chinese (zh)
Inventor
张群敏
许华平
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Wuxi Feitian Grease Co Ltd
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Wuxi Feitian Grease Co Ltd
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Priority to CN201610698372.5A priority Critical patent/CN106398845A/en
Publication of CN106398845A publication Critical patent/CN106398845A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/06—Mixtures of thickeners and additives
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/003—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to super absorbent expansion water blocking paste and a preparation method thereof. The super absorbent expansion water blocking paste mainly comprises base oil, an oil separation inhibitor, an anti-oxidant, a thickening agent, a dispersant, a polymer water absorption expansion agent and an antifungal agent. The invention also provides a preparation method of the super absorbent expansion water blocking paste. The super absorbent expansion water blocking paste solves the problem that the existing traditional ointment (with density of 0.9g/ml) used in an aerial optical cable has large density so that the optical cable has large weight and is not easily constructed. The super absorbent expansion water blocking paste reduces an ointment filling amount so that a cost is reduced. The super absorbent expansion water blocking paste prevents water seepage of the optical cable under pressure and stress in any environment and under any climate conditions, provides good pressure resistance, water blocking, moisture prevention and buffering effects for the optical cable and improves optical cable product quality.

Description

A kind of optical cable high water adsorption swelling waterproof cream and preparation method thereof
Technical field
The present invention relates to a kind of cable material, more particularly, to a kind of optical cable high water adsorption swelling waterproof cream and its system Preparation Method.
Background technology
With developing rapidly of optic communication cause, the demand of optical cable grows with each passing day；The more and more prosperous of optic communication cause is given Daily life brings great convenience, and daily life (mobile phone, computer, TV, network etc.) is not from Open the light communication.
It is known that the change of surrounding can produce air pressure between making inside and outside plastic protecting casing in optical cable industry Difference.This would generally cause dampness internally non-directional diffusion outside optical cable, finally can lead to produce inside optical cable and pay no attention to The high humility thought, especially under the conditions of unique barrier that plastic sheath invades as dampness is this, situation is more serious.Photoelectricity The internal high humility of cable sheath has very big damage effect to the transmission performance of optical cable；Further, because optical cable damages, water can Optical cable can be entered.
Accordingly, it would be desirable to be used optical cable filling paste as material water-proof material in optical cable, optical cable filling paste rises in optical cable Sealing, waterproof, damp proof insulation and buffering protective action, application with optical cable and development kind are constantly increasing, performance also Arrive and improve and perfect.
Carried out many research both at home and abroad, proposed and applied multiple waterproof methods, from first generation maintenance by gas pressuriztion to The hot factice for filling of the second filial generation and the cold factice for filling of the third generation, finally develop into the use of water uptake expansion material, and at present, filling paste is still It is the method for moistureproof and waterproof commonly used in the world.The common problem that the high water adsorption swelling waterproof cream now using occurs is that master is former The ratio of material oil is excessive (ratio of oil is all more than 80%), leads to waterproof paste density big, defect not easy to clean during joint.
Content of the invention
The purpose of the present invention it is simply that being directed to the problems referred to above and providing a kind of optical cable high water adsorption swelling waterproof cream, this resistance Water cream has the advantages that lightweight, the easy idea filled and easy to clean, meet the few oiling of safety and environmental protection, solves in prior art The defect existing.
Further object is that providing a kind of preparation method for optical cable high water adsorption swelling waterproof cream.
The present invention solves the above problems and be employed technical scheme comprise that：A kind of optical cable high water adsorption swelling waterproof cream, institute State waterproof paste and include following raw material components and its weight percent content：
Base oil 50～70%；
Oil dividing inhibitor 5～10%；
Antioxidant 0.5～0.8%；
Thickening agent 3～8%；
Dispersant 0.5～2%；
Polymer water uptake expansion agent 5～15%；
Antifungal 0.01～0.5%；
Described base oil is poly alpha olefin or hydrogenation white oil, and described oil dividing inhibitor is high molecular polymer synthetic rubber, described Antioxidant is 2,6- secondary butyl -4- methylphenol and the mixture of double Lauryl Alcohol ester, and described dispersant is fatty acid polyglycol second At least one in diol ester, triethyl group hexyl phosphoric acid and polyacrylamide, described thickening agent is gas-phase silica or organic bentonite Profit soil, described polymer water uptake expansion agent is polyacrylate, described antifungal be 2- oxo -2- (2- phenyl -5,6, 7,8- tetrahydrochysenes-indolizine -3- base)-acetamide derivative.
Polymer water uptake expansion agent has the advantages that expansion multiplying power height, even particle size distribution, solvent resistance are good, expander There is the restoration of height it is adaptable to wider temperature range for mechanical stress.It is applied in product not only to cut bottom solution The certainly pressurized infiltration phenomenon of stress under the conditions of any natural environment and climate for the optical cable, can also be greatly reduced unit volume simultaneously and produce The weight of product, reduces product cost.
Some report results corroding cable with regard to antibacterial are had to show, if sheath material damaged (usually by insecticide) Antibacterial and funguses can breed in cable and spread, thus affecting the service life of cable, for preventing this situation from occurring, Wo Men Antifungal is added in the present invention.
Above-mentioned raw materials are commercially available prod.
Present invention also offers a kind of preparation method for optical cable high water adsorption swelling waterproof cream, walk including following Suddenly：First oil dividing inhibitor is added in base oil, heated and stirred 1～2 hour, when temperature rises to 200 DEG C, add antioxygen Agent, is sufficiently stirred for 1～1.5 hour, and then cooling down, to 50 DEG C～60 DEG C, adds thickening agent and antifungal, fully Feed back stir 1～1.5 hour after, add dispersant, through 1～1.5 hour, rotating speed be 1000～2800 turns/min High speed dispersion after, obtain semifluid shape complex, after grinding homogenizing, add polymer water uptake expansion agent, be sufficiently stirred for 0.5～ After 1 hour, vacuum outgass, obtain final products.
Preferably, described final products are milky paste complex.
Beneficial effects of the present invention are as follows：
1st, solve that traditional ointment (density is 0.9g/ml) at present often occurs in aerial optical cable application due to density relatively Cause greatly optical cable from great, be difficult the problems such as construct, ointment loading can be saved, thus reduces cost.
2nd, thermal expansion water-blocking filling paste of the present invention is to reach 100% to fill up optical cable internal voids by volumetric expansion , this blocking water is realized by water repellent form, rather than is expanded by water suction volume and to realize blocking water, thus it The pressurized infiltration phenomenon of stress under the conditions of any natural environment and climate for the optical cable can thoroughly be solved, make optical cable have good resisting Press, block water, the effect such as moistureproof, buffering, thus improving the quality of optical cable product.
3rd, the present invention keeps soft at low temperature, can be at room temperature using pad device direct high-speed filling photocell.With When, can require soft durometer is adjusted accordingly to meet technological requirement according to the different of fill conditions.
4th, there is good anti-microbial property, it is to avoid antibacterial and funguses can breed in cable and spread, thus extending electricity The service life of cable.
Specific embodiment
With reference to specific embodiment, the invention will be further described：
Embodiment 1
First 8.0g high molecular polymer synthetic rubber is added to the poly alpha olefin of 70g, heated and stirred 1～2 hour, treat When temperature rises to 200 DEG C, add the mixture of 0.72g 2,6- secondary butyl -4- methylphenol and double Lauryl Alcohol esters, fully Stirring 1～1.5 hour, then cooling down is to 50 DEG C～60 DEG C, add 7.5g gas-phase silica and 0.28g 2- oxo- 2- (2- phenyl -5,6,7,8- tetrahydrochysenes-indolizine -3- base)-acetamide derivative, after abundant feed back stirs 1～1.5 hour, Add 1.0g fatty acid polyethylene glycol ester, through 1～1.5 hour, rotating speed be 1000～2800 turns/min high speed divide After dissipating, obtain semifluid shape complex, add 12.5g polyacrylate after grinding homogenizing, be sufficiently stirred for 0.5～1 hour Afterwards, vacuum outgass, finally give milky paste complex.
Above-mentioned raw materials are commercially available prod.
This final products：Outward appearance is milky homogeneous paste, density（20 DEG C, g/cm3）0.63 ± 0.02, cone penetration （25 DEG C, 0.01mm, 401）、（- 40 DEG C, 0.01mm, 100）, 200 DEG C of dropping point ＞, oxidation induction period (190 DEG C) >= 60min, liberation of hydrogen value (80 DEG C, 24h) 0.005 μ l/g, 200 DEG C of flash-point ＞, acid number 0.23 mgKOH/g, condensate oil (80 DEG C, 24h) 0%, water content≤0.01%, evaporation capacity (80 DEG C, 24h)≤0.1%, expansion temperature initial temperature 130-140 DEG C, expansion multiplying power is big In 50%, the compatibility (80 DEG C, 672h) is not ftractureed, corrosivity (80 DEG C, 336h) corrosion-free point.
Embodiment 2
First 7.5g high molecular polymer synthetic rubber is added to the hydrogenation white oil of 72g, heated and stirred 1～2 hour, treat temperature When degree rises to 200 DEG C, add 0.66g 2, the mixture of 6- secondary butyl -4- methylphenol and double Lauryl Alcohol ester, fully stir Mix 1～1.5 hour, then cooling down, to 50 DEG C～60 DEG C, adds 7.5g organobentonite and 0.34g 2- oxo -2- (2- phenyl -5,6,7,8- tetrahydrochysenes-indolizine -3- base)-acetamide derivative, after abundant feed back stirs 1～1.5 hour, plus Enter 1.5g triethyl group hexyl phosphoric acid, after the high speed dispersion for 1000～2800 turns/min of 1～1.5 hour, rotating speed, Obtain semifluid shape complex, after grinding homogenizing, add 10.5g polyacrylate, after being sufficiently stirred for 0.5～1 hour, very Empty degassing, finally gives milky paste complex.
Above-mentioned raw materials are commercially available prod.
This final products：Outward appearance is milky homogeneous paste, density（20 DEG C, g/cm3）0.65 ± 0.02, cone penetration （25 DEG C, 0.01mm, 397）、（- 40 DEG C, 0.01mm, 102）, 200 DEG C of dropping point ＞, oxidation induction period (190 DEG C) >= 60min, liberation of hydrogen value (80 DEG C, 24h) 0.005 μ l/g, 200 DEG C of flash-point ＞, acid number 0.20 mgKOH/g, condensate oil (80 DEG C, 24h) 0%, water content≤0.01%, evaporation capacity (80 DEG C, 24h)≤0.1%, expansion temperature initial temperature 130-140 DEG C, expansion multiplying power is big In 50%, the compatibility (80 DEG C, 672h) is not ftractureed, corrosivity (80 DEG C, 336h) corrosion-free point.
Embodiment 3
First 7.7g high molecular polymer synthetic rubber is added to the poly alpha olefin of 71g, heated and stirred 1～2 hour, treat When temperature rises to 200 DEG C, add the mixture of 0.68g 2,6- secondary butyl -4- methylphenol and double Lauryl Alcohol esters, fully Stirring 1～1.5 hour, then cooling down is to 50 DEG C～60 DEG C, add 7.1g gas-phase silica and 0.26g 2- oxo- 2- (2- phenyl -5,6,7,8- tetrahydrochysenes-indolizine -3- base)-acetamide derivative, after abundant feed back stirs 1～1.5 hour, Add 1.26g polyacrylamide, after the high speed dispersion for 1000～2800 turns/min of 1～1.5 hour, rotating speed, Obtain semifluid shape complex, after grinding homogenizing, add 12.0g polyacrylate, after being sufficiently stirred for 0.5～1 hour, very Empty degassing, finally gives milky paste complex.
Above-mentioned raw materials are commercially available prod.
This final products：Outward appearance is milky homogeneous paste, density（20 DEG C, g/cm3）0.62 ± 0.02, cone penetration （25 DEG C, 0.01mm, 404）、（- 40 DEG C, 0.01mm, 101）, 200 DEG C of dropping point ＞, oxidation induction period (190 DEG C) >= 60min, liberation of hydrogen value (80 DEG C, 24h) 0.005 μ l/g, 200 DEG C of flash-point ＞, acid number 0.21 mgKOH/g, condensate oil (80 DEG C, 24h) 0%, water content≤0.01%, evaporation capacity (80 DEG C, 24h)≤0.1%, expansion temperature initial temperature 130-140 DEG C, expansion multiplying power is big In 50%, the compatibility (80 DEG C, 672h) is not ftractureed, corrosivity (80 DEG C, 336h) corrosion-free point.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to aforementioned reality Apply example the present invention has been described in detail, for a person skilled in the art, it still can be to aforementioned each enforcement Technical scheme described in example is modified, or carries out equivalent to wherein some technical characteristics.All essences in the present invention Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.

Claims (3)

1. a kind of optical cable high water adsorption swelling waterproof cream it is characterised in that described waterproof paste include following raw material components and its Weight percent content：
Base oil 50～70%；
Oil dividing inhibitor 5～10%；
Antioxidant 0.5～0.8%；
Thickening agent 3～8%；
Dispersant 0.5～2%；
Polymer water uptake expansion agent 5～15%；
Antifungal 0.01～0.5%；
Described base oil is poly alpha olefin or hydrogenation white oil, and described oil dividing inhibitor is high molecular polymer synthetic rubber, described Antioxidant is 2,6- secondary butyl -4- methylphenol and the mixture of double Lauryl Alcohol ester, and described dispersant is fatty acid polyglycol second At least one in diol ester, triethyl group hexyl phosphoric acid and polyacrylamide, described thickening agent is selected from gas-phase silica or organic Bentonite, described polymer water uptake expansion agent is polyacrylate, described antifungal be 2- oxo -2- (2- phenyl -5, 6,7,8- tetrahydrochysenes-indolizine -3- base)-acetamide derivative.
2. a kind of preparation method of optical cable high water adsorption swelling waterproof cream according to claim 1 is it is characterised in that wrap Include following steps：First oil dividing inhibitor is added in base oil, heated and stirred 1～2 hour, when temperature rises to 200 DEG C, plus Enter antioxidant, be sufficiently stirred for 1～1.5 hour, then cooling down, to 50 DEG C～60 DEG C, adds thickening agent and antifungal Agent, after abundant feed back stirs 1～1.5 hour, adds dispersant, through 1～1.5 hour, rotating speed be 1000～2800 Turn/dispersion of the high speed of min after, obtain semifluid shape complex, add polymer water uptake expansion agent after grinding homogenizing, fully stir After mixing 0.5～1 hour, vacuum outgass, obtain final products.
3. according to claim 2 a kind of preparation method of thermal expansion water-blocking filling paste for optical cables it is characterised in that described Final products are milky paste complex.
CN201610698372.5A 2016-08-22 2016-08-22 Super absorbent expansion water blocking paste and preparation method thereof Pending CN106398845A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108048193A (en) * 2017-12-25 2018-05-18 新乡市恒星科技有限责任公司 A kind of novel optical fiber lubricating grease and preparation method thereof
CN109539041A (en) * 2018-12-12 2019-03-29 国网河南省电力公司漯河供电公司 A kind of cable tunnel temporary lighting device
CN113403126A (en) * 2021-06-08 2021-09-17 郑州市欧普士科技有限公司 Environment-friendly flame-retardant water-blocking paste for communication optical cable and preparation method thereof

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CN102053321A (en) * 2009-11-10 2011-05-11 上海鸿辉光通材料有限公司 Thermal expansion water-blocking filling paste for optical cables and preparation method thereof
CN101789283A (en) * 2010-03-26 2010-07-28 深圳尤尼吉尔通信有限公司 Environment-friendly semi-dry type high water adsorption swelling waterproof cream and preparation technology thereof
CN101935576A (en) * 2010-10-09 2011-01-05 辽宁奥克化学股份有限公司 Cutting fluid with anti-oxidation performance, preparation method and application thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108048193A (en) * 2017-12-25 2018-05-18 新乡市恒星科技有限责任公司 A kind of novel optical fiber lubricating grease and preparation method thereof
CN109539041A (en) * 2018-12-12 2019-03-29 国网河南省电力公司漯河供电公司 A kind of cable tunnel temporary lighting device
CN113403126A (en) * 2021-06-08 2021-09-17 郑州市欧普士科技有限公司 Environment-friendly flame-retardant water-blocking paste for communication optical cable and preparation method thereof

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