CN101494093A - Communication cable plugging compound - Google Patents
Communication cable plugging compound Download PDFInfo
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- CN101494093A CN101494093A CNA2008100102508A CN200810010250A CN101494093A CN 101494093 A CN101494093 A CN 101494093A CN A2008100102508 A CNA2008100102508 A CN A2008100102508A CN 200810010250 A CN200810010250 A CN 200810010250A CN 101494093 A CN101494093 A CN 101494093A
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- dropping point
- wax
- microwax
- ldpe
- filler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The invention relates to a communication cable filler which comprises petroleum wax, polyolefin, paste-shape hydrocarbon and a viscosity increaser which are matched and have suitable performance; and the filler has the advantages of good electrical property, moisture resistance, liquidity, heating resistance, cold resistance, suitable physical and chemical performance and technical performance, no toxin, no corrosion, no impurity and the like. The communication cable filler is suitable for being filled in various cables, in particular to telephone cables.
Description
Technical field
The present invention relates to a kind of communication cable plugging compound, be specially adapted to the inserts of telephone cable.
Background technology
In the communication cable manufacture process, all spaces normally adopt a kind of material to fill in heart yearn and the cable, to play insulation, sealed damp-proof effect, make heart yearn energy permanently effective land and underwater environment work in harshness, prolong its useful life, can guarantee the stability and the reliability of cable transmission.Simple commodity in use paraffin or microwax, easily embrittlement and bigger contraction is arranged makes the water resistance variation, the requirement of incompatibility factory at low temperatures.Prior art such as US4426230, EP0198588, CN01142557.1 etc. introduce the cable filling respectively and use material with vaseline foundation stone ointment, and liquid polybutene and microwax composition, styrene and butadiene polymer are the main component filled cable.But owing to contain low minute seed oil of significant proportion in the vaseline matrix, the migration swelling and the plasticising Insulation Material of oil in the use produce additonal pressure, cause early stage Cracking Failure, influence the cable serviceability.With liquid polybutene and microwax composition, styrene and butadiene polymer is the cable filler of main component, and this class packing material cost is higher, costs an arm and a leg, and is mainly used in optical cable at present.
Summary of the invention
The invention provides good, the lower-cost inserts composition that is applicable to communication cable of a kind of serviceability.
Communication cable plugging compound of the present invention mainly comprises following component by weight:
A) 1%～10% pertroleum wax, pertroleum wax are that dropping point is about 75 ℃～80 ℃ microwax;
B) 1%～10% polyolefin, polyolefin is selected from low density polyethylene (LDPE);
C) 5%～20% tackifier, tackifier are selected from butene polymers;
D) 60%～90% paste hydrocarbon, the paste hydrocarbon is selected from soft mlcrocrystalline wax.
Inserts component of the present invention has following characteristics:
A) select pertroleum wax for use, have the physicochemical property of good electric property to guarantee inserts;
B) select low density polyethylene (LDPE) for use, to improve the resistance to elevated temperatures of inserts;
C) select tackifier for use, have good adhesive force and cold resistance to guarantee inserts;
D) select the paste hydrocarbon for use, have suitable hardness and good liquid fluidity to guarantee inserts;
The present invention is directed to the instructions for use of communication cable plugging compound, selected said components and content,, can improve the comprehensive serviceability of communication cable by organic cooperation of above-mentioned each component function.
Inserts composition of the present invention can also add other modified component as required, as macromolecule wax and antioxidant etc. one or more.
The pertroleum wax dropping point that is used for the present invention is about 75 ℃～80 ℃, and alternative pertroleum wax comprises: 80
#Microwax (as deriving from Nanchong oil plant, Jingmen oil plant), 75
#Microwax (as deriving from the Nanchong oil plant), and the mixture of above-mentioned two kinds of pertroleum waxes.The scope of application of these pertroleum waxes in inserts of the present invention preferably is about 3%～7%.
The low density polyethylene (LDPE) that is used for the present invention, melt index are 1.7g/10min～2.3g/10min (GB3682) (can derive from Beijing Yanshan Petrochemical Company).The used scope of application of low density polyethylene (LDPE) in inserts of the present invention preferably is about 3%～7% (weight).
Be used for tackifier of the present invention and be selected from butene polymers, its mean molecule quantity is about 800～2000.Used tackifier are preferably polyisobutene (as deriving from Jinzhou smart connection lube oil additive Co., Ltd, additive factory of Lanzhou oil-refining chemical company) among the present invention.The used scope of application of tackifier in inserts of the present invention preferably is about 8%～15% (weight).
The paste hydrocarbon that is used for the present invention is a soft mlcrocrystalline wax, and its dropping point is about 60 ℃～70 ℃, cone penetration (25 ℃) and is about 701/10mm～1301/10mm (as deriving from Hebei blue refining flying apsaras petrochemical industry Co., Ltd, Nanyang oil plant).The used scope of application of paste hydrocarbon in inserts of the present invention preferably is about 70%～85% (weight).
Inserts of the present invention is under about 180 ℃～240 ℃ temperature, adds various raw materials and mixed melting and becomes uniform liquid, moulding after filtering.
The performance index of inserts of the present invention are: dropping point is about 85 ℃～95 ℃, and the needle penetration under 25 ℃ is about 1001/10mm～1401/10mm, and the kinematic viscosity under 100 ℃ is about 150mm
2/ s～250mm
2/ s, relative dielectric constant is not less than 2.5, and specific insulation is not less than 1 * 10
12Ω m, dielectric loss tg δ＜9 * 10
-3
It is good that inserts of the present invention has electrical property, and moisture resistance, flowability, thermal endurance and cold resistance are good, and nontoxic, no burn into free from admixture has good serviceability.Following advantage is arranged specifically:
A) have good insulating properties and moisture resistance, guaranteed the stable of cable electrical property;
B) have higher dropping point, the high-temperature behavior excellence is not trickled under working temperature;
C) have good plasticity and flexibility, cold tolerance excellence, not embrittlement under lower temperature;
D) no burn into free from admixture can not produce harmful effect to communication cable;
E) each component raw material is easy to get, and cost is lower;
F) nontoxic, can not cause damage to the healthy of Manufacturing Worker.
Embodiment
Below by specific embodiment, to inserts of the present invention and preparation method thereof, be described in further detail, but specific embodiment does not use as limitative examples.
Embodiment: (following all expressions by weight percentage)
Test method
Following test method is the method for used in an embodiment general test cable filler.
Dropping point SH/T0115
Needle penetration GB/T 4985
Kinematic viscosity GB/T265
Dielectric constant GB/T 5654
Specific insulation GB/T 5654
Dielectric loss GB/T 5654
The preparation of the inserts of the embodiment 1,2,3,4,5,6,7,8 among the present invention is under about 180 ℃～240 ℃ temperature, adds various raw materials and mixed melting and becomes uniform liquid, after filtering cooling forming.
Embodiment 1
80
#Microwax, 81.6 ℃ of (Jingmen oil plants) 4% of dropping point
Low density polyethylene (LDPE), melt index 2.0g/10nim (Beijing Yanshan Petrochemical Company) 5.4%
Polyisobutene, molecular weight 1233 (Jinzhou lube oil additive Co., Ltd) 9%
Soft mlcrocrystalline wax, 65.5 ℃ of (Hebei blue refining flying apsaras petrochemical industry Co., Ltds) 81.6% of dropping point
Embodiment 2
75
#Microwax, 76.4 ℃ of (Nanchong oil plants) 6% of dropping point
Low density polyethylene (LDPE), melt index 2.0g/10nim (Beijing Yanshan Petrochemical Company) 6%
Polyisobutene, molecular weight 1233 (Jinzhou lube oil additive Co., Ltd) 8%
Soft mlcrocrystalline wax, 65.5 ℃ of (Hebei blue refining flying apsaras petrochemical industry Co., Ltds) 80% of dropping point
Embodiment 3
80
#Microwax, 82.4 ℃ of (Nanchong oil plants) 4% of dropping point
Low density polyethylene (LDPE), melt index 2.0g/10nim (Beijing Yanshan Petrochemical Company) 5.6%
Polyisobutene, molecular weight 1233 (Jinzhou lube oil additive Co., Ltd) 8%
Soft mlcrocrystalline wax, 65.5 ℃ of (Hebei blue refining flying apsaras petrochemical industry Co., Ltds) 82.3% of dropping point
Antioxidant 2,6-BHT (Shenyang City's reagent two factories) 0.1%
Embodiment 4
80
#Microwax, 81.6 ℃ of (Jingmen oil plants) 5% of dropping point
Low density polyethylene (LDPE), melt index 2.0g/10nim (Beijing Yanshan Petrochemical Company) 5.2%
Macromolecule wax L-913, mean molecule quantity 2000 (second auxiliary factory, Beijing) 2%
Polyisobutene, molecular weight 1080 (additive factory of Lanzhou oil-refining chemical company) 10%
Soft mlcrocrystalline wax, 69.5 ℃ of (Nanyang oil plants) 77.8% of dropping point
Embodiment 5
80
#Microwax, 81.6 ℃ of (Jingmen oil plants) 2% of dropping point
75
#Microwax, 76.4 ℃ of (Nanchong oil plants) 3% of dropping point
Low density polyethylene (LDPE), melt index 2.0g/10nim (Beijing Yanshan Petrochemical Company) 4.8%
Polyisobutene, molecular weight 1080 (additive factory of Lanzhou oil-refining chemical company) 8%
Soft mlcrocrystalline wax, 69.5 ℃ of (Nanyang oil plants) 82.2% of dropping point
Embodiment 6
80
#Microwax, 82.4 ℃ of (Nanchong oil plants) 2% of dropping point
75
#Microwax, 76.4 ℃ of (Nanchong oil plants) 2% of dropping point
Low density polyethylene (LDPE), melt index 2.0g/10nim (Beijing Yanshan Petrochemical Company) 4.7%
Polyisobutene, molecular weight 1080 (additive factory of Lanzhou oil-refining chemical company) 12%
Soft mlcrocrystalline wax, 65.5 ℃ of (Hebei blue refining flying apsaras petrochemical industry Co., Ltds) 79.3% of dropping point
Embodiment 7
75
#Microwax, 76.4 ℃ of (Nanchong oil plants) 8% of dropping point
Low density polyethylene (LDPE), melt index 2.0g/10nim (Beijing Yanshan Petrochemical Company) 6.5%
Polyisobutene, molecular weight 1233 (Jinzhou lube oil additive Co., Ltd) 18%
Soft mlcrocrystalline wax, 69.5 ℃ of (Nanyang oil plants) 67.5% of dropping point
Embodiment 8
80
#Microwax, 82.4 ℃ of (Nanchong oil plants) 2% of dropping point
Low density polyethylene (LDPE), melt index 2g/10nim (Beijing Yanshan Petrochemical Company) 3.8%
Polyisobutene, molecular weight 1233 (Jinzhou lube oil additive Co., Ltd) 15%
Soft mlcrocrystalline wax, 65.5 ℃ of (Hebei blue refining flying apsaras petrochemical industry Co., Ltds) 79.2% of point
The result of the test of embodiment sees Table 1 and table 2.
Table 1 result of the test
Table 2 result of the test
From table 1 and table 2 as can be seen, the dropping point of the embodiment of the invention 1～8 illustrates that all greater than 85 ℃ inserts of the present invention has higher dropping point, and the high-temperature behavior excellence is not trickled under working temperature; The specific insulation of inserts embodiment 1～8 of the present invention all is not less than 1 * 10
14Ω m, dielectric loss all is not more than 9 * 10
-4, illustrate that inserts of the present invention has excellent electric performance, guaranteed the stable of communication cable electrical property; The needle penetration wider distribution of inserts embodiment 1～8 of the present invention illustrates that inserts of the present invention has good plasticity and flexibility, cold tolerance excellence, not embrittlement under lower temperature; Better meet the actual requirement of communication cable production technology.
Claims (10)
1, a kind of communication cable plugging compound mainly comprises following component by weight:
A) 1%～10% pertroleum wax, pertroleum wax is selected from microwax;
B) 1%～10% polyolefin, polyolefin is selected from low density polyethylene (LDPE);
C) 5%～20% tackifier, tackifier are selected from butene polymers;
D) 60%～90% paste hydrocarbon, the paste hydrocarbon is selected from soft mlcrocrystalline wax.
2, according to the described cable filler of claim 1, the dropping point that it is characterized in that described microwax is 75 ℃～80 ℃.
3,, it is characterized in that described microwax consumption is 3%～7% according to claim 1 or 2 described cable fillers.
4,, it is characterized in that described low density polyethylene (LDPE) melt index is 1.7g/10min～2.3g/10min according to the described cable filler of claim 1.
5,, it is characterized in that described low density polyethylene (LDPE) consumption is 3%～7% according to claim 1 or 4 described cable fillers.
6,, it is characterized in that described butene polymers mean molecule quantity is 800～2000 according to the described cable filler of claim 1.
7,, it is characterized in that described butene polymers consumption is 8%～15% according to claim 1 or 6 described cable fillers.
8, according to the described cable filler of claim 1, the dropping point that it is characterized in that described soft mlcrocrystalline wax is 60 ℃～70 ℃.
9, according to claim 1 or 8 s' cable filler, it is characterized in that described soft mlcrocrystalline wax consumption is 70%～85%.
10, according to the described cable filler of claim 1, it is characterized in that the performance index of inserts are: dropping point is 85 ℃～95 ℃, and the needle penetration under 25 ℃ is 1001/10mm～1401/10mm, and the kinematic viscosity under 100 ℃ is 150mm
2/ s～250mm
2/ s, relative dielectric constant is not less than 2.5, and specific insulation is not less than 1 * 10
12Ω m, dielectric loss tg δ＜9 * 10
-3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100102508A CN101494093B (en) | 2008-01-23 | 2008-01-23 | Communication cable plugging compound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100102508A CN101494093B (en) | 2008-01-23 | 2008-01-23 | Communication cable plugging compound |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101494093A true CN101494093A (en) | 2009-07-29 |
| CN101494093B CN101494093B (en) | 2011-04-06 |
Family
ID=40924632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100102508A Active CN101494093B (en) | 2008-01-23 | 2008-01-23 | Communication cable plugging compound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101494093B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800095A (en) * | 2010-04-07 | 2010-08-11 | 杭州恒润凡士林制造有限公司 | Filling jelly for communication cables and optical cables |
| CN101633824B (en) * | 2009-08-21 | 2011-06-15 | 烟台新牟电缆有限公司 | Adhesive for physical foaming of communication cable |
| CN102270528A (en) * | 2011-08-04 | 2011-12-07 | 山东昆嵛电缆有限公司 | Low-voltage cable filling method |
| CN102051053B (en) * | 2009-10-27 | 2012-08-29 | 中国石油化工股份有限公司 | Sealing and positioning wax for electronic tuner and preparation method thereof |
| CN102850631A (en) * | 2012-09-20 | 2013-01-02 | 江苏上上电缆集团有限公司 | Cable filling material with low thermal resistance and good tensile properties |
| CN109478446A (en) * | 2016-07-29 | 2019-03-15 | 陶氏环球技术有限责任公司 | Displacement composition comprising biology base fluid |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4551569A (en) * | 1977-10-21 | 1985-11-05 | Bicc Public Limited Company | Telecommunication cable filling composition |
| US5672640A (en) * | 1995-07-12 | 1997-09-30 | Caschem, Inc. | Polypropylene compatible grease compositions for optical fiber cable |
| ATE250273T1 (en) * | 2000-10-10 | 2003-10-15 | Dynasol Elastomeros Sa | COMPOSITION OF CABLE FILLING MATERIALS |
| CN1626630A (en) * | 2003-12-12 | 2005-06-15 | 修敏军 | Extender function for photoelectric cable in communication |
-
2008
- 2008-01-23 CN CN2008100102508A patent/CN101494093B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633824B (en) * | 2009-08-21 | 2011-06-15 | 烟台新牟电缆有限公司 | Adhesive for physical foaming of communication cable |
| CN102051053B (en) * | 2009-10-27 | 2012-08-29 | 中国石油化工股份有限公司 | Sealing and positioning wax for electronic tuner and preparation method thereof |
| CN101800095A (en) * | 2010-04-07 | 2010-08-11 | 杭州恒润凡士林制造有限公司 | Filling jelly for communication cables and optical cables |
| CN102270528A (en) * | 2011-08-04 | 2011-12-07 | 山东昆嵛电缆有限公司 | Low-voltage cable filling method |
| CN102850631A (en) * | 2012-09-20 | 2013-01-02 | 江苏上上电缆集团有限公司 | Cable filling material with low thermal resistance and good tensile properties |
| CN109478446A (en) * | 2016-07-29 | 2019-03-15 | 陶氏环球技术有限责任公司 | Displacement composition comprising biology base fluid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101494093B (en) | 2011-04-06 |
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