CN106009675A - High-insulating-property silicon core tube - Google Patents

High-insulating-property silicon core tube Download PDF

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Publication number
CN106009675A
CN106009675A CN201610491028.9A CN201610491028A CN106009675A CN 106009675 A CN106009675 A CN 106009675A CN 201610491028 A CN201610491028 A CN 201610491028A CN 106009675 A CN106009675 A CN 106009675A
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China
Prior art keywords
parts
temperature
hydrocarbon
property
insulating
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CN201610491028.9A
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Chinese (zh)
Inventor
周波
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ANHUI HUIYI COMMUNICATION SCIENCE Co Ltd
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ANHUI HUIYI COMMUNICATION SCIENCE Co Ltd
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Priority to CN201610491028.9A priority Critical patent/CN106009675A/en
Publication of CN106009675A publication Critical patent/CN106009675A/en
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    • 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
    • B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
    • B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/38—Polysiloxanes modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • C08L2207/062—HDPE
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2310/00—Masterbatches

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a high-insulating-property silicon core tube which is prepared from the following raw materials in parts by weight: 190-200 parts of n-decyl hydrocarbon, 65-75 parts of straight-chain undecene, 190-200 parts of hydrogen-containing silicon oil, 15-20 parts of hydroxystearic acid, 4-6 parts of lithium hydroxide, 45-55 parts of PE (polyethylene) carrier resin, 5-7 parts of color master batch, 60-70 parts of high-density polyethylene, 0.6-1 part of perfluoropolyether, 2.3-3 parts of titanium dioxide, 2.8-3.5 parts of polytetrafluoroethylene micropowder, 0.4-0.5 part of sodium tripolyphosphate, 2.4-3 parts of plant starch, 1-1.4 parts of palm wax and a right amount of deionized water. The high-insulating-property silicon core tube has the advantages of wide application range, excellent dielectric property, excellent insulativity, excellent heat stability, excellent shock resistance and excellent lubricating property, can protect the communication optical cables and cable facilities more comprehensively, and thus, is worthy of popularization.

Description

A kind of silicone pipes of good insulation preformance
Technical field
The present invention relates to silicone pipes technical field, particularly relate to the silicone pipes of a kind of good insulation preformance.
Background technology
21 century is the epoch of information, and with fastest developing speed is information industry, and in the transmission of information, optical cable is most important logical Road, because only that optical cable can transmit substantial amounts of information with the fastest speed, also will not be disturbed, will not give away secrets, and China is the most several Year telecommunication cause develop the stages of historical development having had passed over from cable communication to optical cable rapidly, from civilian to military, from Phone all enters optical-fibre communications epoch, the biggest development having promoted plastic optical fiber cable jacket ducts to multimedia.Light Cable is typically buried in underground, for being effectively protected optical cable, generally adds a protection sleeve pipe outside optical cable, in cable run process In, the tubing used at first is steel pipe, pipe of cement, pvc pipe and double-wall corrugated pipe, and the problem using middle maximum is how to solve to wear The lubrication problem of inner-walls of duct in cable, typically uses the way of coating lubricant by aforementioned tubes, i.e. before wearing cable first when constructing The lubricant of liquid is coated in pipe material inner wall, but due to the effect of gravity, makes lubricant can not be uniformly distributed in pipe material inner wall, And the cable being also dried by leading portion when wearing cable takes away, therefore no matter select drawing method when wearing cable or blow afloat method, lubrication Problem all directly affects length and the speed wearing cable, uses these methods all to considerably increase the artificial and increase of resource expense. Silicone pipes friction factor is less, and pipe joint is few, quick construction, be not required to outer increasing protection of pipe, greatly reduces construction costs, due to Inwall silicon core layer is permanent solid lubrication oxidant layer, and frictional behaviour keeps constant, and cable can extract in pipe repeatedly, will not shell Falling, depart from, ageing-resistant service life was up to more than 50 years, so silicon core cable tube is widely used in a variety of applications.
Studying more person in silicone oil grease is methyl-silicone oil grease, due to the thickening poor-performing of dimethicone, The compatibility with organic material is the poorest, so, there is the problems such as greasy property is not good enough in methyl-silicone oil grease, limits its application Scope." alkyl modified silicon oil preparation of greases and performance study " Wen Zhongzhu state builds employing containing hydrogen silicone oil and linear alpha olefin Carry out hydrosilylation, prepare alkyl modified silicon oil, then itself and 12 hydroxy stearic acids are carried out saponification, prepare alkyl Modified silicon oil grease, result shows that, under close viscosity, the film strength of alkyl modified silicon oil is bigger than methyl-silicone oil, lubrication Property more preferable, the refractive index ratio methyl-silicone oil of alkyl modified silicon oil is high, closer to Dormant oils, fat and Organic substance, compatible with them Property more preferable, the transparency is higher, but sintering load is close with methyl-silicone oil, not raising, and weatherability, oxidative resistance and resistance to The characteristics such as solvent are general, reduce use field, in order to enable silicone oil grease well to be utilized in silicone pipes, this It is expanded modification by invention on its basis, makes the silicone pipes of preparation disclosure satisfy that the nowadays optical fiber requirement to silicone pipes, actively Accomplish to reduce cost, economize on resources and protect environment.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that the silicone pipes of a kind of good insulation preformance.
The present invention is achieved by the following technical solutions:
The silicone pipes of a kind of good insulation preformance, is made up of the raw material of following weight portion: just hydrocarbon 190-200 in the last of the ten Heavenly stems, straight chain 11 Carbon olefin 65-75, containing hydrogen silicone oil 190-200, hydroxy stearic acid 15-20, Lithium hydrate 4-6, PE vector resin 45-55, color masterbatch Grain 5-7, high density polyethylene (HDPE) 60-70, PFPE 0.6-1, titanium dioxide 2.3-3, ptfe micropowder 2.8-3.5, three Polyphosphate sodium 0.4-0.5, plant amylum 2.4-3, palm wax 1-1.4, deionized water are appropriate.
The silicone pipes of described a kind of good insulation preformance, is made up of following concrete steps:
(1) hydrocarbon in positive last of the ten Heavenly stems and straight chain endecatylene hydrocarbon are uniformly mixed, rise high-temperature to 120 DEG C, react 3-4h, the most slowly Adding containing hydrogen silicone oil and appropriate chloroplatinic acid, continuation liter high-temperature is to 130-140 DEG C, and stirring reaction 6-8h, reaction removes after terminating Remove low-boiling-point substance, obtain olefin-modified silicone oil standby；
(2) plant amylum is added in deionized water and pull an oar, add titanium dioxide after even slurry to be formed and palm wax is ultrasonic Processing 20-40min, supersonic frequency is 40kHz, and temperature is 50-60 DEG C, adds PFPE and tripolyphosphate after ultrasonic end Sodium, grinds after stirring 40-50min postlyophilization is ground into powder standby；
(3) modified silicon oil prepared by the step (1) of hydroxy stearic acid, formula ratio 1/3 is added in reactor, rises high-temperature extremely 80-90 DEG C, stirring makes hydroxy stearic acid all dissolve, then rises high-temperature to 90-110 DEG C, adds Lithium hydrate, saponification 1- 2h, reacts complete, liter high-temperature to 120-140 DEG C of dehydration, and is constantly rising the alkyl modified silicon oil that warming middle-JIAO adds 1/3 successively, When temperature is increased to 200-220 DEG C, stops heating, add remaining alkyl modified silicon oil, make temperature in the kettle drop to rapidly 120-140 DEG C, adding step (2) product prepared, stirring reaction naturally cools to discharging during ＜ 100 DEG C, grinds, deaerates, standby With；
(4) product and ptfe micropowder PE vector resin, step (3) prepared together is added to mixed milling type parallel double-screw Carrying out pelletize in extruder, temperature is 195-205 DEG C, makes silicone pipes master batch, then with Masterbatch, high density polyethylene (HDPE) and Remaining surplus materials synchronizes extrusion claddings by three extruders, by Vacuum refrigerator and soak cooling water tank to extrusion cladding After tubing carry out cooling and shaping, metering prints, and draws and crimp the most available.
The invention have the advantage that the present invention uses alhpa olefin and containing hydrogen silicone oil hydrosilylation to prepare copoly type alkyl Modified silicon oil, and oil based on it, carry out saponification with hydroxy stearic acid, and it is glossy that addition lithium soap is made for modified silicon Consistent lubricant, utilizes the characteristics such as the good lubricity of PFPE, wear-resisting and chemical stability to modifications such as titanium dioxide so that it is as Grease strengthens phase time and has the good compatibility, improves heat-resisting, weather-proof, lubrication and the performance such as high-temperature stable of grease, Expanding range of application, recycling grease and PE vector resin etc. make master batch, and lubricity is good, thermostability is high, antifriction effect Height, not sticking, and it is easy to storage, to save space, then combine extrusioning shaping with high density polyethylene (HDPE), the silicone pipes of preparation becomes Type is effective, and yield rate is high, good stability, and the present invention not only range is extensively sent out, and has excellent dielectricity, insulation Property, heat stability, shock resistance and lubricity, it is possible to more comprehensively protect communications optical cable, cable machinery, be worthy to be popularized.
Detailed description of the invention
The silicone pipes of a kind of good insulation preformance, is made up of the raw material of following weight portion (kilogram): positive last of the ten Heavenly stems hydrocarbon 190, straight Chain endecatylene hydrocarbon 65, containing hydrogen silicone oil 190, hydroxy stearic acid 15, Lithium hydrate 4, PE vector resin 45, Masterbatch 5, high density Polyethylene 60, PFPE 0.6, titanium dioxide 2.3, ptfe micropowder 2.8, sodium tripolyphosphate 0.4, plant amylum 2.4, Palm wax 1, deionized water are appropriate.
The silicone pipes of described a kind of good insulation preformance, is made up of following concrete steps:
(1) hydrocarbon in positive last of the ten Heavenly stems and straight chain endecatylene hydrocarbon are uniformly mixed, rise high-temperature to 120 DEG C, react 3h, the most slowly add Entering containing hydrogen silicone oil and appropriate chloroplatinic acid, continuation liter high-temperature is to 130 DEG C, and 6h is reacted in stirring, reacts removing low-boiling-point substance after terminating, Obtain olefin-modified silicone oil standby；
(2) plant amylum is added in deionized water and pull an oar, add titanium dioxide after even slurry to be formed and palm wax is ultrasonic Processing 20min, supersonic frequency is 40kHz, and temperature is 50 DEG C, adds PFPE and sodium tripolyphosphate, grind after ultrasonic end Stirring 40min postlyophilization is standby after being ground into powder；
(3) modified silicon oil prepared by the step (1) of hydroxy stearic acid, formula ratio 1/3 is added in reactor, rises high-temperature to 80 DEG C, stirring makes hydroxy stearic acid all dissolve, then rises high-temperature to 90 DEG C, adds Lithium hydrate, saponification 1h, has reacted Finish, liter high-temperature to 120 DEG C of dehydrations, and constantly rising the alkyl modified silicon oil that warming middle-JIAO adds 1/3 successively, when temperature is increased to When 200 DEG C, stop heating, add remaining alkyl modified silicon oil, make temperature in the kettle drop to rapidly 120 DEG C, add step (2) The product of preparation, stirring reaction naturally cools to discharging during ＜ 100 DEG C, grinds, deaerates, standby；
(4) product and ptfe micropowder PE vector resin, step (3) prepared together is added to mixed milling type parallel double-screw Carrying out pelletize in extruder, temperature is 195 DEG C, makes silicone pipes master batch, then with Masterbatch, high density polyethylene (HDPE) and remaining Surplus materials synchronizes extrusion claddings by three extruders, by Vacuum refrigerator and soak cooling water tank to extrusion cladding after Tubing carries out cooling and shaping, and metering prints, and draws and crimp the most available.
The silicone pipes preparing embodiment carries out performance measurement, and result is as follows:
Friction factor: 0.12；Hot strength (MPa): 35；Elongation at break (%): 408；Breaking resistance (MPa): 4；Acid corrosion-resistant Property (40% concentrated sulphuric acid, 24h): without obvious corrosion phenomenon；Alkali corrosion resistance (40% sodium hydroxide, 24h): surface is existing without substantially corrosion As.

Claims (2)

1. the silicone pipes of a good insulation preformance, it is characterised in that be made up of the raw material of following weight portion: just hydrocarbon 190-in the last of the ten Heavenly stems 200, straight chain endecatylene hydrocarbon 65-75, containing hydrogen silicone oil 190-200, hydroxy stearic acid 15-20, Lithium hydrate 4-6, PE carrier tree Fat 45-55, Masterbatch 5-7, high density polyethylene (HDPE) 60-70, PFPE 0.6-1, titanium dioxide 2.3-3, politef are micro- Powder 2.8-3.5, sodium tripolyphosphate 0.4-0.5, plant amylum 2.4-3, palm wax 1-1.4, deionized water are appropriate.
The silicone pipes of a kind of good insulation preformance, it is characterised in that by following concrete steps preparation system Become:
(1) hydrocarbon in positive last of the ten Heavenly stems and straight chain endecatylene hydrocarbon are uniformly mixed, rise high-temperature to 120 DEG C, react 3-4h, the most slowly Adding containing hydrogen silicone oil and appropriate chloroplatinic acid, continuation liter high-temperature is to 130-140 DEG C, and stirring reaction 6-8h, reaction removes after terminating Remove low-boiling-point substance, obtain olefin-modified silicone oil standby；
(2) plant amylum is added in deionized water and pull an oar, add titanium dioxide after even slurry to be formed and palm wax is ultrasonic Processing 20-40min, supersonic frequency is 40kHz, and temperature is 50-60 DEG C, adds PFPE and tripolyphosphate after ultrasonic end Sodium, grinds after stirring 40-50min postlyophilization is ground into powder standby；
(3) modified silicon oil prepared by the step (1) of hydroxy stearic acid, formula ratio 1/3 is added in reactor, rises high-temperature extremely 80-90 DEG C, stirring makes hydroxy stearic acid all dissolve, then rises high-temperature to 90-110 DEG C, adds Lithium hydrate, saponification 1- 2h, reacts complete, liter high-temperature to 120-140 DEG C of dehydration, and is constantly rising the alkyl modified silicon oil that warming middle-JIAO adds 1/3 successively, When temperature is increased to 200-220 DEG C, stops heating, add remaining alkyl modified silicon oil, make temperature in the kettle drop to rapidly 120-140 DEG C, adding step (2) product prepared, stirring reaction naturally cools to discharging during ＜ 100 DEG C, grinds, deaerates, standby With；
(4) product and ptfe micropowder PE vector resin, step (3) prepared together is added to mixed milling type parallel double-screw Carrying out pelletize in extruder, temperature is 195-205 DEG C, makes silicone pipes master batch, then with Masterbatch, high density polyethylene (HDPE) and Remaining surplus materials synchronizes extrusion claddings by three extruders, by Vacuum refrigerator and soak cooling water tank to extrusion cladding After tubing carry out cooling and shaping, metering prints, and draws and crimp the most available.
CN201610491028.9A 2016-06-29 2016-06-29 High-insulating-property silicon core tube Pending CN106009675A (en)

Priority Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109687360A (en) * 2018-11-27 2019-04-26 广东中讯通讯设备实业有限公司 A kind of silicone pipes of good insulation preformance and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109687360A (en) * 2018-11-27 2019-04-26 广东中讯通讯设备实业有限公司 A kind of silicone pipes of good insulation preformance and preparation method thereof

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