CN104829968A - Communication cable protecting tube and preparation method thereof - Google Patents
Communication cable protecting tube and preparation method thereof Download PDFInfo
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- CN104829968A CN104829968A CN201510235427.4A CN201510235427A CN104829968A CN 104829968 A CN104829968 A CN 104829968A CN 201510235427 A CN201510235427 A CN 201510235427A CN 104829968 A CN104829968 A CN 104829968A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
- 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
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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
- 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
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Abstract
The invention relates to a communication cable protecting tube and a preparation method thereof, belonging to the technical field of compound proportioning and preparation methods thereof. The communication cable protecting tube is prepared from the following components in parts by weight: 85-90 parts of UPVC (unplasticized polyvinyl chlorde), 10-15 parts of CPVC (chlorinated polyvinyl chloride), 45-55 parts of filler, 3-3.5 parts of stabilizer, 1.2-1.8 parts of lubricant, 6-10 parts of impact modifier and 0.025-0.035 part of toner. The lubricant is composed of paraffin and stearic acid in a weight ratio of 5:3. The preparation method comprises the following steps: 1. proportionally mixing the UPVC, CPVC and stabilizer, and stirring at low speed to 60 DEG C; 2. adding the stearic acid and impact modifier, and stirring at high speed to 80 DEG C; 3. adding the filler, paraffin and toner, and stirring at high speed to 100-110 DEG C; adding kaolin and polytetrafluoroethylene, and stirring uniformly; and 4. cooling by stirring at low speed to 35-40 DEG C, and discharging. The communication cable protecting tube has the advantages of low flammability, high thermal shrinkage, no cracking at high temperature, high corrosion resistance, high strength, low friction coefficient of the inner wall, favorable electric insulation, light weight and the like, and is convenient for construction.
Description
Technical field
The invention belongs to compound doses and preparation method thereof technical field, be particularly related to communication cable protection pipe and preparation method thereof.
Background technology
Along with the high speed development of our telecommunications; the demand of communication conduit is increasing; communication conduit is mainly used in that wearing of optical fiber is led, isolation and protection; and telecom communication, cable TV signal, metropolitan area netting twine and power department cable, light laying etc.; its specification of quality is very high; requirement has high corrosion resistance, high strength, inwall coefficient of friction is little, electrical insulating property is excellent, lightweight, the advantage such as convenient of constructing, and existing communication conduit quality is not fully up to expectations.
UPVC is also known as hard PVC, and it is that the amorphous thermoplastic resin that vinyl chloride monomer is made through polyreaction adds certain additive (as stablizer, lubricant, weighting agent etc.) composition.In fact UPVC pipe is exactly a kind of plastics tubing, has light, non-conductive, can not burn, and advantage that is simple and easy, that reduce costs is installed in transport.But due to the molecular structure feature of rigid polyvinyl chloride itself, its second-order transition temperature is 87 DEG C, show as fragility at normal temperatures large, lower temperature resistance is poor, and weathering resistance is poor, easy to crack.Therefore, people, by polyvinylchloride resin and various toughner blending and modifying, make its erosion-resisting characteristics be improved, but corresponding rigidity declines, and tensile strength reduces, and over-all properties does not also significantly change.
So be necessary to provide a kind of communication cable protection pipe, technical ability ensures rigidity and tensile strength, has again good low temperature impact performance and weathering resistance.
Summary of the invention
The object of the invention is to overcome the above-mentioned defect mentioned and deficiency, and communication cable protection pipe is provided.
Another object of the present invention is for providing the preparation method of above-mentioned communication cable protection pipe.
The technical scheme that the present invention realizes the employing of its object is as follows.
Communication cable protection pipe, by weight, it comprises: the UPVC of 85 ~ 90 parts, the CPVC of 10 ~ 15 parts, the filler of 45 ~ 55 parts, the stablizer of 3 ~ 3.5 parts, the lubricant of 1.2 ~ 1.8 parts, the impact modifier of 6 ~ 10 parts, the toner of 0.025 ~ 0.035 part; Described lubricant is made up of paraffin and stearic acid, by weight, and paraffin: stearic acid=5:3.
Further, communication cable protection pipe, by weight, it also comprises: the kaolin of 0.2 ~ 0.8 part, the tetrafluoroethylene of 7 ~ 10 parts; Described kaolinic granularity is 1.0u.
Further, communication cable protection pipe, described filler selects coarse whiting and fine particle calcium carbonate, by weight, coarse whiting: fine particle calcium carbonate=1:1.
Further, communication cable protection pipe, described stablizer selects three salt, disalt, mercaptans type and lead stearate; By weight, three salt: disalt: mercaptans type: lead stearate==1:1:1:1.
Further, communication cable protection pipe, described impact modifier is CPE.
Further, described toner selects red toner and yellow toner; By weight, red toner: yellow toner=1:1.
The preparation method of communication cable protection pipe, comprises the following steps:
1. UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2. add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3. add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C;
4. stirring at low speed, is cooled to 35 ~ 40 DEG C, discharging.
Further, the preparation method of communication cable protection pipe, comprises the following steps:
1. UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2. add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3. add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C; And then add kaolin and tetrafluoroethylene, stir;
4. stirring at low speed is cooled to 35 ~ 40 DEG C, discharging.
UPVC, rigid polyvinyl chloride is the amorphous thermoplastic resin that vinyl chloride monomer is made through polyreaction.The melt viscosity of UPVC is high, poor fluidity, even if improve injection pressure and melt temperature, the change of mobility is also little.In addition, the mold temperature of resin and heat decomposition temperature are very close, and it is very narrow to carry out shaping temperature range, are a kind ofly to be difficult to shaping material.
CPVC, chlorinated polyvinyl chloride, be the chlorination modified further product of polyvinyl chloride (PVC), its cl content is generally 65% ~ 72% (volume fraction).CPVC is except a lot of premium propertiess having PVC concurrently, its erosion resistance had, thermotolerance, solubility, flame retardant resistance, physical strength etc. are all greatly improved than PVC, thus CPVC is the type material of excellent property, is widely used in the fields such as building, chemical industry, metallurgy, shipbuilding, electrical equipment, weaving.
Coarse whiting and fine particle calcium carbonate, as filler, can improve vicat softening temperature and the thermostability of tubing on the one hand, reduces thermal contraction and the production cost of tubing, reduces tensile strength and the hammer falling impact strength of tubing on the other hand.
Stablizer, because resin easily decomposes in the process of processing, so need to add thermo-stabilizer in order to reach thermostable effect.In the present invention, have employed three salt (lead sulfate tribasic), disalt (dibasic lead stearate), mercaptans type and lead stearate.Mercaptans type and lead stearate have significant synergistic effect, and can significantly improve the long-term thermal stability of tubing, colour-change is little, and when tube extrusion, mercaptans type coordinates stearic acid and paraffin, can obtain best processing characteristics.
Paraffin and stearic acid, as lubricant, be used for reducing melt viscosity and the metal-stripping improving melt, thus extend stability and the forming process time of tubing.Paraffin and stearicly to add, can reduce the viscosity of resin, improve molten metal separability, reduce and extrude load and reduce Intermolecular Forces, but, on the other hand, also can reduce the thermotolerance of resin, the consumption adding lubricant must be controlled.
CPE, as impact modifier, in order to improve the low temperature brittleness of resin, gives the toughness that it is higher.
Toner, according to the requirement of GB2479-2005 standard to color, adopts commercially available red toner and yellow toner.
Kaolin, is commonly called as white clay, and its structure is Al
2o
3(SiO
2)
2h
2o, by force, good insulating, refractoriness is high for plasticity-and associativity.Its granular size, all has a significant impact its plasticity-, mud viscosity, ion exchange capacity, processability, drying property.Other ion of Al and Si ion pair that kaolin decomposes produces has polarized action, and make these ions be unbalanced distortion, the carrying out of accelerated reaction, increases shrinking percentage.Add to founding property of the application the kaolin of 1.0u granularity when high temperature cooling, in order to change material cooling performance.
Tetrafluoroethylene, in order to improve the thermal contraction performance of tubing.During thermal contraction performance difference, tubing easily breaks.
This communication cable protection pipe, difficult combustion is soft, percent thermal shrinkage is high, at high temperature can not break.This communication cable protection pipe have corrosion-resistant, intensity is high, inwall coefficient of friction is little, electrical insulating property is excellent, lightweight, the advantage such as convenient of constructing; be mainly used in wearing of optical fiber to lead, isolate and protect, and lay for telecom communication, cable TV signal, metropolitan area netting twine and power department cable, light.
Embodiment
Embodiment one.
Communication cable protection pipe, its component is: UPVC is 85kg, CPVC is 15, and filler is 50kg, and stablizer is 3.2kg, and lubricant is 1.8kg, and impact modifier is 8kg, and toner is 0.03kg.
Described filler selects coarse whiting and fine particle calcium carbonate, wherein, by weight, and coarse whiting: fine particle calcium carbonate=1:1.
Described stablizer selects three salt, disalt, mercaptans type and lead stearate, wherein, by weight, and three salt: disalt: mercaptans type: lead stearate==1:1:1:1.
Described lubricant selects paraffin and stearic acid, wherein, by weight, and paraffin: stearic acid=5:3.
Described impact modifier selects CPE.
Described toner selects red toner and yellow toner, wherein, by weight, and red toner: yellow toner=1:1.
The preparation method of communication cable protection pipe is as follows:
1. UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2. add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3. add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C;
4. stirring at low speed, is cooled to 35 ~ 40 DEG C, discharging.
During high-speed stirring, material by solid, single-phase, not homogeneous state heterogeneous, homogeneous state, partial gel state transform, along with the rising of temperature, resin particle and other components constantly interpenetrate, and resin particle surfaces absorbs other components gradually.
During stirring at low speed, obtain desirable mixture with minimum cooling time, improve effect, decrease cost.
Embodiment two.
Communication cable protection pipe, its component is: UPVC is 85kg, CPVC is 15, and filler is 50kg, and stablizer is 3.2kg, and lubricant is 1.8kg, and impact modifier is 8kg, and toner is 0.03kg, and kaolin is 0.8kg, and tetrafluoroethylene is 9kg.
Described filler selects coarse whiting and fine particle calcium carbonate, wherein, by weight, and coarse whiting: fine particle calcium carbonate=1:1.
Described stablizer selects three salt, disalt, mercaptans type and lead stearate, wherein, by weight, and three salt: disalt: mercaptans type: lead stearate==1:1:1:1.
Described lubricant selects paraffin and stearic acid, wherein, by weight, and paraffin: stearic acid=5:3.
Described impact modifier selects CPE.
Described toner selects red toner and yellow toner, wherein, by weight, and red toner: yellow toner=1:1.
Described kaolinic granularity is 1.0u.
The preparation method of communication cable protection pipe is as follows:
1. UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2. add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3. add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C; And then add kaolin and tetrafluoroethylene, stir;
4. stirring at low speed is cooled to 35 ~ 40 DEG C, discharging.
In the present embodiment, add kaolin when high temperature cooling, under the prerequisite of over-all properties maintaining product, have the effect stoping resin particle to be grown up.Kaolin is attached to resin particle surfaces, be easy to particle fineness when stablizing shaping, thus reduce the anisotropy of product, and reduce the otherness of product performance between each batch, meanwhile, it also avoid the material caused because extruding a large amount of heat of friction of generation and decompose, avoided plasticizing, be conducive to the plasticizing quality improving resin, shorten discharging time.Tetrafluoroethylene coordinates kaolin, while maintenance product thermostability, adds the shrinking percentage after tube forming, reduces the fragility of tubing.
Embodiment three.
Communication cable protection pipe, its component is: UPVC is 87.5kg, CPVC is 12.5, and filler is 45kg, and stablizer is 3kg, and lubricant is 1.5kg, and impact modifier is 10kg, and toner is 0.025kg.
Described filler selects coarse whiting and fine particle calcium carbonate, wherein, by weight, and coarse whiting: fine particle calcium carbonate=1:1.
Described stablizer selects three salt, disalt, mercaptans type and lead stearate, wherein, by weight, and three salt: disalt: mercaptans type: lead stearate==1:1:1:1.
Described lubricant selects paraffin and stearic acid, wherein, by weight, and paraffin: stearic acid=5:3.
Described impact modifier selects CPE.
Described toner selects red toner and yellow toner, wherein, by weight, and red toner: yellow toner=1:1.
The preparation method of communication cable protection pipe is as follows:
1. UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2. add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3. add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C;
4. stirring at low speed is cooled to 35 ~ 40 DEG C, discharging.
Embodiment four.
Communication cable protection pipe, its component is: UPVC is 87.5kg, CPVC is 12.5, and filler is 45kg, and stablizer is 3kg, and lubricant is 1.5kg, and impact modifier is 10kg, and toner is 0.025kg, and kaolin is 0.2kg, and tetrafluoroethylene is 10kg.
Described filler selects coarse whiting and fine particle calcium carbonate, wherein, by weight, and coarse whiting: fine particle calcium carbonate=1:1.
Described stablizer selects three salt, disalt, mercaptans type and lead stearate, wherein, by weight, and three salt: disalt: mercaptans type: lead stearate==1:1:1:1.
Described lubricant selects paraffin and stearic acid, wherein, by weight, and paraffin: stearic acid=5:3.
Described impact modifier selects CPE.
Described toner selects red toner and yellow toner, wherein, by weight, and red toner: yellow toner=1:1.
Described kaolinic granularity is 1.0u.
The preparation method of communication cable protection pipe is as follows:
1. UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2. add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3. add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C; And then add kaolin and tetrafluoroethylene, stir;
4. stirring at low speed is cooled to 35 ~ 40 DEG C, discharging.
Embodiment five.
Communication cable protection pipe, its component is: UPVC is 90kg, CPVC is 10, and filler is 55kg, and stablizer is 3.5kg, and lubricant is 1.2kg, and impact modifier is 6kg, and toner is 0.035kg.
Described filler selects coarse whiting and fine particle calcium carbonate, wherein, by weight, and coarse whiting: fine particle calcium carbonate=1:1.
Described stablizer selects three salt, disalt, mercaptans type and lead stearate, wherein, by weight, and three salt: disalt: mercaptans type: lead stearate==1:1:1:1.
Described lubricant selects paraffin and stearic acid, wherein, by weight, and paraffin: stearic acid=5:3.
Described impact modifier selects CPE.
Described toner selects red toner and yellow toner, wherein, by weight, and red toner: yellow toner=1:1.
The preparation method of communication cable protection pipe is as follows:
1. UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2. add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3. add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C, stir;
4. stirring at low speed is cooled to 35 ~ 40 DEG C, discharging.
Embodiment six.
Communication cable protection pipe, its component is: UPVC is 90kg, CPVC is 10, and filler is 55kg, and stablizer is 3.5kg, and lubricant is 1.2kg, and impact modifier is 6kg, and toner is 0.035kg, and kaolin is 0.2kg, and tetrafluoroethylene is 10kg.
Described filler selects coarse whiting and fine particle calcium carbonate, wherein, by weight, and coarse whiting: fine particle calcium carbonate=1:1.
Described stablizer selects three salt, disalt, mercaptans type and lead stearate, wherein, by weight, and three salt: disalt: mercaptans type: lead stearate==1:1:1:1.
Described lubricant selects paraffin and stearic acid, wherein, by weight, and paraffin: stearic acid=5:3.
Described impact modifier selects CPE.
Described toner selects red toner and yellow toner, wherein, by weight, and red toner: yellow toner=1:1.
Described kaolinic granularity is 1.0u.
The preparation method of communication cable protection pipe is as follows:
1. UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2. add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3. add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C; And then add kaolin and tetrafluoroethylene, stir;
4. stirring at low speed is cooled to 35 ~ 40 DEG C, discharging.
Vicat temperature is the index weighing material thermal resistance.The maximum operating temperature of common UPVC is about 45 DEG C, and CPVC maximum operating temperature is about 95 DEG C.UPVC resin and CPVC resin are carried out converting joining in the ratio of these embodiments, the PVC plastics of the various vicat softening temperatures of vicat softening temperature between 110 ~ 93 DEG C of scopes can be designed.
For this tubing, 80 DEG C of ring stiffness >=8KPa.In flattening experiment, when to be loaded on sample vertical direction deflection be 30% of former internal diameter, there is not crack or break in sample.Drop impact (4.00Kg, 1200mm), there is not crack or breaks in sample.Vicat softening temperature >=93 DEG C.
The present invention is illustrated according to embodiment, and under the prerequisite not departing from present principles, this device can also make some distortion and improvement.It should be pointed out that and all drop on the technical scheme that all employings are equal to replacement or the mode such as equivalent transformation and obtain in protection scope of the present invention.
Claims (8)
1. communication cable protection pipe, is characterized in that, by weight, it comprises: the UPVC of 85 ~ 90 parts, the CPVC of 10 ~ 15 parts, the filler of 45 ~ 55 parts, the stablizer of 3 ~ 3.5 parts, the lubricant of 1.2 ~ 1.8 parts, the impact modifier of 6 ~ 10 parts, the toner of 0.025 ~ 0.035 part; Described lubricant is made up of paraffin and stearic acid, by weight, and paraffin: stearic acid=5:3.
2. communication cable protection pipe as claimed in claim 1, it is characterized in that, by weight, it also comprises: the kaolin of 0.2 ~ 0.8 part, the tetrafluoroethylene of 7 ~ 10 parts; Described kaolinic granularity is 1.0u.
3. communication cable protection pipe as claimed in claim 1, it is characterized in that, described filler selects coarse whiting and fine particle calcium carbonate, by weight, coarse whiting: fine particle calcium carbonate=1:1.
4. communication cable protection pipe as claimed in claim 1, it is characterized in that, described stablizer selects three salt, disalt, mercaptans type and lead stearate; By weight, three salt: disalt: mercaptans type: lead stearate==1:1:1:1.
5. communication cable protection pipe as claimed in claim 1, it is characterized in that, described impact modifier is CPE.
6. communication cable protection pipe as claimed in claim 1, it is characterized in that, described toner selects red toner and yellow toner; By weight, red toner: yellow toner=1:1.
7. a preparation method for communication cable protection pipe as claimed in claim 1, is characterized in that, comprises the following steps:
1). UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2). add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3). add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C;
4). stirring at low speed, is cooled to 35 ~ 40 DEG C, discharging.
8. a preparation method for communication cable protection pipe as claimed in claim 2, is characterized in that, comprises the following steps:
1). UPVC, CPVC, stablizer are proportionally mixed rear stirring at low speed to 60 DEG C;
2). add stearic acid and impact modifier and high-speed stirring to 80 DEG C;
3). add filler, paraffin and toner and high-speed stirring to 100 ~ 110 DEG C; And then add kaolin and tetrafluoroethylene, stir;
4). stirring at low speed is cooled to 35 ~ 40 DEG C, discharging.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510235427.4A CN104829968A (en) | 2015-05-11 | 2015-05-11 | Communication cable protecting tube and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510235427.4A CN104829968A (en) | 2015-05-11 | 2015-05-11 | Communication cable protecting tube and preparation method thereof |
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ID=53808187
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860356A (en) * | 2016-05-12 | 2016-08-17 | 杭州介通电缆保护管有限公司 | Octagonal cable protection pipe and preparation method thereof |
| CN106117879A (en) * | 2016-07-05 | 2016-11-16 | 太仓市林源电线电缆有限公司 | A kind of submarine cable waterproof insulation material |
| CN107090149A (en) * | 2017-06-28 | 2017-08-25 | 合肥市闵葵电力工程有限公司 | A kind of cable protection pipe of high intensity and preparation method thereof |
| CN107501955A (en) * | 2017-08-30 | 2017-12-22 | 上海贝思特管业有限公司 | A kind of preparation method of communication micro-pipe |
| CN107652499A (en) * | 2017-08-30 | 2018-02-02 | 上海贝思特管业有限公司 | A kind of PE communicates tube preparation method |
| CN108381799A (en) * | 2018-01-24 | 2018-08-10 | 佑利控股集团有限公司 | A kind of pressure resistant vessel chliorinated polyvinyl chloride mixed ingredients and preparation method |
| CN109370110A (en) * | 2018-10-25 | 2019-02-22 | 福建亚通新材料科技股份有限公司 | A kind of modified form underground pipe gallery power pipe |
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2015
- 2015-05-11 CN CN201510235427.4A patent/CN104829968A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860356A (en) * | 2016-05-12 | 2016-08-17 | 杭州介通电缆保护管有限公司 | Octagonal cable protection pipe and preparation method thereof |
| CN105860356B (en) * | 2016-05-12 | 2018-05-04 | 杭州介通电缆保护管有限公司 | Octagonal cable protection pipe and preparation method thereof |
| CN106117879A (en) * | 2016-07-05 | 2016-11-16 | 太仓市林源电线电缆有限公司 | A kind of submarine cable waterproof insulation material |
| CN107090149A (en) * | 2017-06-28 | 2017-08-25 | 合肥市闵葵电力工程有限公司 | A kind of cable protection pipe of high intensity and preparation method thereof |
| CN107501955A (en) * | 2017-08-30 | 2017-12-22 | 上海贝思特管业有限公司 | A kind of preparation method of communication micro-pipe |
| CN107652499A (en) * | 2017-08-30 | 2018-02-02 | 上海贝思特管业有限公司 | A kind of PE communicates tube preparation method |
| CN108381799A (en) * | 2018-01-24 | 2018-08-10 | 佑利控股集团有限公司 | A kind of pressure resistant vessel chliorinated polyvinyl chloride mixed ingredients and preparation method |
| CN109370110A (en) * | 2018-10-25 | 2019-02-22 | 福建亚通新材料科技股份有限公司 | A kind of modified form underground pipe gallery power pipe |
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