CN1127921A - High water resistant cold filling composite for electric cable and optical cable - Google Patents
High water resistant cold filling composite for electric cable and optical cable Download PDFInfo
- Publication number
- CN1127921A CN1127921A CN95111225.2A CN95111225A CN1127921A CN 1127921 A CN1127921 A CN 1127921A CN 95111225 A CN95111225 A CN 95111225A CN 1127921 A CN1127921 A CN 1127921A
- Authority
- CN
- China
- Prior art keywords
- cable
- cold filling
- filling composite
- water
- high water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44382—Means specially adapted for strengthening or protecting the cables the means comprising hydrogen absorbing materials
Abstract
The water-resistant cold filling composite for cable or optical fibre cable contains ultrastrength water-absorption resin serving the secondary water-resistant function, and features better water-proof performance for the cable which is not filled fully. Its advantages are moderate viscosity, better rheopexy and low temp properties, good compatibility with cable and improved hydrogen adsorption and flame-retarding nature.
Description
The present invention relates to the manufacturing field of extraordinary filler in cable and optical cable manufacturing, the especially cable.
During communication cable, optical cable are made, adopt factice for filling to carry out filling in the cable usually,, prolong its useful life with moistureproof and waterproof.Using this class ointment in the past generally is that heat is filled, and serviceability temperature is generally 70～120 ℃, after the filling cooling, because factice for filling is met cold contraction, easily produces the space, so that can not reach the effect that blocks water fully; And when heat was filled, higher temperature easily made material degraded, the low-molecular material in the material move in cable, the optical cable plastics, causes plastics to ftracture in early days, has shortened useful life.Chinese patent CN1045803A has reported the inserts that a kind of normal temperature uses, but this class ointment still can not the complete filling cable in whole spaces, under certain pressure, moisture content still can slowly penetrate in cable, the optical cable, causes damage.The cable filler of prior art also exists the another one problem, promptly along with the degradation with aging of material, can discharge the hydrogen that influences the Optical Fiber Transmission performance.
In view of the above shortcoming of prior art, the objective of the invention is, design the cold factice for filling of a kind of high water resistant type, it can be filled in the cable comparatively fullly, and make this ointment have the function of water-swellable, when moisture content infiltrated, ointment expanded automatically, and the slight void of not filling with fully will fill the time blocks, and reaches more good block-water performance and better hydrogen absorption characteristic and performance of technical process.
The objective of the invention is to realize by following means.
The super-strong moisture absorbing resin that in the cable of forming by thixotropy ointment and property-modifying additive, optical cable cold filling composite, adds 1～10 (percentage by weight), for improving the performance of optical fiber inserts, in filled composite, added some and had the material of inhaling the hydrogen effect.
After in compound, having added super-strong moisture absorbing resin, when the moisture content of trace infiltrates, absorbent material in the cold filling composite absorbs moisture content at once, general absorption speed was less than 6 minutes, swelling effect expands the absorbent material volume rapidly and makes the slight void that causes moisture content to infiltrate be filled blocking, like this, the absorbent material that adds resembles stifled " dam blocks water ", play the safety effect of " secondary blocks water ", than common cable, the optical cable ointment has more effective, Bao Xian resistance effect more, common ointment all is difficult to for 1 meter high water column infiltration test can be by 3 meters high water column infiltration test by, compound of the present invention.The hydrogen of emitting when the adding of hydrogen-absorbing material makes material fall energy is absorbed, and has guaranteed the transmission performance of optical fiber.
The primary raw material of compound of the present invention is a base oil, can be served as by paraffin oil, polyether oil, alkane oil, alkene oil, polyester oil, silicone oil.Its kinematic viscosity 6～16cst (100 ℃); Solidifying point is at-20～60 ℃, flash-point＞160 ℃.Can use separately, also can mix use, consumption is 40～45.
The thickener that the present invention uses is in order to prevent drip, to make product have better thixotropic property that thickener can serve as consumption 6～12 by aryl urea, polytetrafluoroethylene, alkyl benzene formamide, silica, soap base compound etc.
Suction hydrogen of the present invention agent generally by modification boil hundred or other inorganic oxide serve as, consumption is 0.2～5.For improving the fire resistance of filled composite, in compound, can add fire retardant, as Mg (OH)
2, Al (OH)
3, material such as phosphate one or more share consumption 1～25.
Embodiment 1:
Alkene oil 70, silica 10, water-absorbing resin 10, SBS
6, inhale hydrogen agent 0.2, antioxidant 0.3, silicon defoaming agent 0.05, low molecular polyethylene 3.
Embodiment 2:
Alkane oil 70, soap base thickening agent 19, polyisobutene 10, antioxidant (1010) 0.5, silicon defoaming agent 0.05, fire retardant 15, suction hydrogen agent 5.The low polyethylene 3 that divided.
More than the mixture of two examples 70～130 ℃ (fully mixings), its performance is listed in the table below.
| Project | Unit | Embodiment 1 | Embodiment 2 | Method of testing |
| Cone penetration (25 ℃) | ????1/10m | ????340 | ?????320 | ?GB269 |
| Molten dropping point | ????℃ | ????＞180 | ???＞180 | ?GB4929 |
| Open flash point | ????℃ | ?????＞210 | ???＞160 | ?GB267 |
| Oil separates (80 ℃ of 24b) | ????％ | ?????2.5 | ????2 | ?SY2729 |
| Hydrogen output (100 ℃ of 24h) | ????ue/g | ??????0 | ????0 | Gas-chromatography |
| Absorb water stabilization time | ????min | ???????3 | ????2.5 | 10g ointment 10g water |
| Oxygen uptake induction period | 199 ℃ of plumbous cups | ???????25 | ?????12 | ?DSC |
The modest viscosity of this compound, seal adhesion is strong, the thixotropic property excellence, 80 ℃ of drips not, low-temperature pliability is good, and resistance to oxidation is decomposed, and hydrogen release is high-volume low, with cable, the optical cable compatibility is good, dielectric property are excellent.
Claims (6)
1, a kind of high water resistant type cable, optical cable cold filling composite are fine into by thixotropy ointment and property-modifying additive, it is characterized in that, contain the super-strong moisture absorbing resin of 1～10 (percentage by weight) in this compound.
2, according to the described cold filling composite of claim 1, it is characterized in that, contain in this compound and inhale the hydrogen agent.
3, the cold filling composite according to claim 1 is characterized in that described superabsorbent resin is polyacrylate or polyacrylic acid amide derivative.
4, the cold filling composite according to claim 2 is characterized in that the agent of described suction hydrogen is modified zeolite or other inorganic oxide, and consumption is 0.2～5.
5, the cold filling composite according to claim 5 is characterized in that, contains fire retardant in this compound.
6, the cold filling composite according to claim 5 is characterized in that one or more in the following material of described fire retardant: Mg (OH)
2, Al (OH)
3, phosphate; Consumption 1～2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111225.2A CN1127921A (en) | 1995-01-24 | 1995-01-24 | High water resistant cold filling composite for electric cable and optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111225.2A CN1127921A (en) | 1995-01-24 | 1995-01-24 | High water resistant cold filling composite for electric cable and optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1127921A true CN1127921A (en) | 1996-07-31 |
Family
ID=5078535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95111225.2A Pending CN1127921A (en) | 1995-01-24 | 1995-01-24 | High water resistant cold filling composite for electric cable and optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1127921A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392769C (en) * | 2005-01-26 | 2008-06-04 | 上海电缆研究所 | Longitudinal watertightness cable/wire |
| CN101354929B (en) * | 2008-07-15 | 2011-10-12 | 俞飞 | Water-resistance flame-resistance belt for cable and optical cable as well as manufacturing method thereof |
| CN102005263B (en) * | 2009-08-31 | 2012-04-04 | 上海鸿辉光通材料有限公司 | Flame-retardant fiber filling gel for optical cable and preparation method thereof |
| CN101447251B (en) * | 2007-11-26 | 2012-11-07 | 日立电线株式会社 | Insulated wire |
| CN105280285A (en) * | 2014-06-25 | 2016-01-27 | 上海鸿辉光通科技股份有限公司 | Water-blocking filling paste for undersea optical cable and preparation method thereof |
| CN105723470A (en) * | 2013-10-23 | 2016-06-29 | 普睿司曼股份公司 | Energy cable having a crosslinked electrically insulating layer, and method for extracting crosslinking by-products therefrom |
| CN105845226A (en) * | 2016-04-05 | 2016-08-10 | 江苏亨通高压电缆有限公司 | Efficient waterproof submarine cable |
| US10361010B2 (en) | 2015-04-22 | 2019-07-23 | Prysmian S.P.A. | Energy cable having a crosslinked electrically insulating system, and method for extracting crosslinking by-products therefrom |
-
1995
- 1995-01-24 CN CN95111225.2A patent/CN1127921A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392769C (en) * | 2005-01-26 | 2008-06-04 | 上海电缆研究所 | Longitudinal watertightness cable/wire |
| CN101447251B (en) * | 2007-11-26 | 2012-11-07 | 日立电线株式会社 | Insulated wire |
| CN101354929B (en) * | 2008-07-15 | 2011-10-12 | 俞飞 | Water-resistance flame-resistance belt for cable and optical cable as well as manufacturing method thereof |
| CN102005263B (en) * | 2009-08-31 | 2012-04-04 | 上海鸿辉光通材料有限公司 | Flame-retardant fiber filling gel for optical cable and preparation method thereof |
| CN105723470A (en) * | 2013-10-23 | 2016-06-29 | 普睿司曼股份公司 | Energy cable having a crosslinked electrically insulating layer, and method for extracting crosslinking by-products therefrom |
| CN105723470B (en) * | 2013-10-23 | 2018-07-17 | 普睿司曼股份公司 | Energy cable with crosslinked electric insulation layer, and the therefrom method of extraction cross-linking by-products |
| US10325694B2 (en) | 2013-10-23 | 2019-06-18 | Prysmian S.P.A | Energy cable having a crosslinked electrically insulating layer, and method for extracting crosslinking by-products therefrom |
| CN105280285A (en) * | 2014-06-25 | 2016-01-27 | 上海鸿辉光通科技股份有限公司 | Water-blocking filling paste for undersea optical cable and preparation method thereof |
| US10361010B2 (en) | 2015-04-22 | 2019-07-23 | Prysmian S.P.A. | Energy cable having a crosslinked electrically insulating system, and method for extracting crosslinking by-products therefrom |
| CN105845226A (en) * | 2016-04-05 | 2016-08-10 | 江苏亨通高压电缆有限公司 | Efficient waterproof submarine cable |
| CN105845226B (en) * | 2016-04-05 | 2019-04-26 | 江苏亨通高压海缆有限公司 | Waterproof submarine cable |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |