CN107501780A - Communication pipe plastic tube and preparation method thereof - Google Patents
Communication pipe plastic tube and preparation method thereof Download PDFInfo
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- CN107501780A CN107501780A CN201710650014.1A CN201710650014A CN107501780A CN 107501780 A CN107501780 A CN 107501780A CN 201710650014 A CN201710650014 A CN 201710650014A CN 107501780 A CN107501780 A CN 107501780A
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/315—Compounds containing carbon-to-nitrogen triple bonds
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of communication pipe plastic tube and preparation method thereof, the communication pipe includes intermediate layer with plastic tube, the intermediate layer is Corvic foam layer, and the Corvic foam layer is prepared by the raw material of following weight parts：90 110 parts of Corvic, 10 20 parts of toluene di-isocyanate(TDI), 18 parts of azodiisobutyronitrile, 15 parts of titanium dioxide, 4 0.01 0.1 parts of ethyl resorcinols, 0.01 0.1 parts of antiseptic, 0.01 0.1 parts of heat stabilizer.A kind of communication pipe plastic tube of the present invention and preparation method thereof, mechanical property, anti-flammability and antibiotic property are good, while ageing-resistant, high temperature resistant, service life length.
Description
Technical field
The present invention relates to a kind of tubing, more particularly to a kind of communication pipe plastic tube and preparation method thereof.
Background technology
The development that communication construction is advanced by leaps and bounds in last decade, in today of information age, its development speed is also
It will improve, and significantly larger than other industry.Therefore, in the planning and construction of urban construction, must just reserve with it is pre-buried
The communications optical cable or the communication pipeline polyvinyl chloride tube pipe material of cable to be used in the future.In use, by required some be installed with optical cable or
The sub- pipe of plastics of cable is through in above-mentioned plastic tube.
Foam interlayer structure compound material is that one kind uses polymer matrix composites as covering, using foamed plastics conduct
The sandwich form of core.Due to excellent spies such as its intensity is high, in light weight, rigidity is big, corrosion-resistant, electric insulation, saturating microwaves
Property and be increasingly widely used, PVC foams, homogeneous due to stable performance, sound good mechanical properties, resistant to many
Chemicals attack, the high position of bearing requirements can be applied to, and it is moderate, therefore obtained extensively in various fields
Using.
It is corrosion-resistant the invention provides a kind of communication pipe plastic tube, it is ageing-resistant.
The content of the invention
It is to provide for one of above shortcomings, the technical problems to be solved by the invention in the prior art a kind of logical
Fuse tube road plastic tube.
The two of the technical problems to be solved by the invention are to provide a kind of preparation method of communication pipe plastic tube.
The present invention seeks to what is be achieved through the following technical solutions：
A kind of communication pipe plastic tube, including intermediate layer, the intermediate layer are Corvic foam layer.
The Corvic foam layer is prepared by the raw material of following weight parts：Corvic 90-
110 parts, toluene di-isocyanate(TDI) 10-20 parts, azodiisobutyronitrile 1-8 parts, titanium dioxide 1-5 parts, 4- ethyl resorcinols
0.01-0.1 parts, antiseptic 0.01-0.1 parts, heat stabilizer 0.01-0.1 parts.
Preferably, described antiseptic be Cocoamidopropyl betaine, 2- butyl-BIT,
One or more mixture in CMIT.
It is highly preferred that described antiseptic is by Cocoamidopropyl betaine, 2- butyl -1,2- benzisothiazoles -3-
Ketone, CMIT mix, the Cocoamidopropyl betaine, 2- butyl -1,2- benzos
Isothiazoline -3- ketone, the mass ratio of CMIT are (1-3)：(1-3)：(1-3).
Preferably, described heat stabilizer is one or more in 2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate mixes
Compound.
It is highly preferred that described heat stabilizer is mixed by 2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate, it is described
2 ethyl hexanoic acid zinc, zinc laurate, the mass ratio of zinc stearate are (1-3)：(1-3)：(1-3).
Preferably, described communication pipe is followed successively by fiber winding internal layer with plastic tube from inside to outside, intermediate layer, fiber twine
Around outer layer.
Present invention also offers the preparation method of above-mentioned communication pipe plastic tube, comprise the following steps：
(1) Corvic foam layer is prepared；
(2) fiber winding internal layer is that common process is used on fiber winding machine by carbon fiber, epoxy resin and quartz sand
Coiling obtains, and at 80-85 °, thickness 2-4mm, fiber winds internal layer carbon fiber weight/mass percentage composition for fiber wind angle control
In 50-60%, the control of epoxy resin weight/mass percentage composition in 25-30%, surplus is quartz sand for control.Fiber winds outer layer
Aramid fiber and epoxy resin coiling are obtained using common process on fiber winding machine, fiber wind angle is controlled in 5-
10 °, thickness 3-5mm, fiber winding outer layer aramid fiber weight/mass percentage composition control is in 80-85%, epoxy resin quality hundred
Divide content control in 15-20%.Intermediate layer is Corvic foam layer, thickness 8-12mm.
A kind of communication pipe plastic tube of the present invention and preparation method thereof, mechanical property, anti-flammability and antibiotic property are good,
Ageing-resistant, high temperature resistant simultaneously, service life length.
Embodiment
With reference to embodiment, the present invention is described further, as described below, is only the preferable implementation to the present invention
Example, is not limited the present invention, any person skilled in the art is possibly also with the disclosure above
Technology contents be changed to the equivalent embodiment changed on an equal basis.It is every of the invention without departing from the present invention program content, foundation
Technical spirit any simple modification that following examples are made or equivalent variations, all fall within protection scope of the present invention.
Each raw material introduction in embodiment：
Corvic, the model SG5 provided using Guangxi Zhe Chuan Chemical Co., Ltd.s Corvic.
Toluene di-isocyanate(TDI), No. CAS：584-84-9.
Azodiisobutyronitrile, No. CAS：78-67-1.
Titanium dioxide, No. CAS：1317-80-2, using E.I.Du Pont Company model r902/r902+ rutile-type titanium dioxide
Titanium.
4- ethyl resorcinols, No. CAS：2896-60-8.
Cocoamidopropyl betaine, No. CAS：86438-79-1.
2- butyl-BIT, No. CAS：4299-07-4.
CMIT, No. CAS：26172-55-4.
2 ethyl hexanoic acid zinc, No. CAS：136-53-8.
Zinc laurate, No. CAS：2452-01-9.
Zinc stearate, No. CAS：557-05-1.
Carbon fiber, carbon fiber of the trade mark that Shanghai Li Shuo composites Science and Technology Ltd. provides for LS-CF6-S is used,
Length is 6mm, a diameter of 6-7 μm.
Epoxy resin, the trade mark provided using asset management Co., Ltd Ba Ling petrochemical industry branch company of SINOPEC
For EP E-44 epoxy resin.
Quartz sand, use quartz sand of the granularity that Donghai County Ox Mountain town Hong Tai quartz wares factory provides for 0.1-0.2mm.
Aramid fiber, the chopped aramid fiber provided using Yancheng City Ai Liwei fibres Co., Ltd, filament number
For 1.5D, chopped length 6mm.
Embodiment 1
Corvic foam layer raw material (parts by weight)：100 parts of Corvic, toluene di-isocyanate(TDI) 12
Part, 4 parts of azodiisobutyronitrile, 3 parts of titanium dioxide, 0.02 part of 4- ethyl resorcinols, 0.03 part of antiseptic, heat stabilizer 0.03
Part.
Described antiseptic is by Cocoamidopropyl betaine, 2- butyl -1,2- benzisothiazole-3-ketones, the chloro- 2- of 5-
Methyl -4- isothiazoline -3- ketone is 1 in mass ratio：1：1 is uniformly mixed to obtain.
Described heat stabilizer is 1 in mass ratio by 2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate：1：1 is stirred
Uniformly obtain.
The preparation method of above-mentioned communication pipe plastic tube, comprises the following steps：
(1) Corvic foam layer is prepared
(a) each raw material is placed in mixer, be well mixed within 18 minutes with 400 revs/min of stirrings, it is 38 to control mixing temperature
DEG C, obtain mixture；
(b) mould of good seal is fed the mixture into, is put into mould in 175 DEG C of platen-press after matched moulds, pressure
To cool down mould after being kept for 10 minutes under 5MPa, molded when mold temperature is 50 DEG C, obtain die briquetting；
(c) die briquetting for obtaining step (b) is positioned in 95 DEG C of vaporium and foamed, and foamed time 8 hours, obtains
To foam；
(d) foam that step (c) obtains is carried out to curing process in 60 DEG C of vaporium 10 days, obtains polyvinyl chloride tree
Fat foam layer；
(2) communication pipe is followed successively by fiber winding internal layer, intermediate layer and fiber winding outer layer with plastic tube from inside to outside, fine
Dimension winding internal layer is to be obtained carbon fiber, epoxy resin and quartz sand coiling using common process on fiber winding machine, fiber
At 82 °, thickness 3mm, fiber winds internal layer carbon fiber quality hundred for winding angle (fibre bundle and the angle in pipeline axle center) control
For the control of point content in the control of 55%, epoxy resin weight/mass percentage composition 27%, surplus is quartz sand.Fiber winds outer layer
Aramid fiber and epoxy resin coiling are obtained using common process on fiber winding machine, fiber wind angle is controlled at 6 °,
Thickness is 4mm, and fiber winding outer layer aramid fiber weight/mass percentage composition control controls in 82%, epoxy resin weight/mass percentage composition
18%.Intermediate layer is Corvic foam layer, thickness 10mm.Obtain the communication pipe plastics of embodiment 1
Pipe.
Embodiment 2
It is substantially the same manner as Example 1, differ only in：Described antiseptic by 2- butyl -1,2- benzisothiazoles -
3- ketone, CMIT are 1 in mass ratio：1 is uniformly mixed to obtain.Obtain the logical of embodiment 2
Fuse tube road plastic tube.
Embodiment 3
It is substantially the same manner as Example 1, differ only in：Described antiseptic is chloro- by Cocoamidopropyl betaine, 5-
MIT is 1 in mass ratio：1 is uniformly mixed to obtain.Obtain the communication pipe modeling of embodiment 3
Expects pipe.
Embodiment 4
It is substantially the same manner as Example 1, differ only in：Described antiseptic is by Cocoamidopropyl betaine, 2- fourths
Base -1,2- benzisothiazole-3-ketones are 1 in mass ratio：1 is uniformly mixed to obtain.The communication pipe for obtaining embodiment 4 is used
Plastic tube.
Embodiment 5
It is substantially the same manner as Example 1, differ only in：Described heat stabilizer presses matter by zinc laurate, zinc stearate
Amount is than being 1：1 is uniformly mixed to obtain.Obtain the communication pipe plastic tube of embodiment 5.
Embodiment 6
It is substantially the same manner as Example 1, differ only in：Described heat stabilizer is by 2 ethyl hexanoic acid zinc, zinc stearate
It is 1 in mass ratio：1 is uniformly mixed to obtain.Obtain the communication pipe plastic tube of embodiment 6.
Embodiment 7
It is substantially the same manner as Example 1, differ only in：Described heat stabilizer is by 2 ethyl hexanoic acid zinc, zinc laurate
It is 1 in mass ratio：1 is uniformly mixed to obtain.Obtain the communication pipe plastic tube of embodiment 7.
Test case 1
The traditional performance for the Corvic foam layer that embodiment 1-7 is prepared is tested.It is specific to survey
Test result is shown in Table 1：
Table 1：Corvic foam layer traditional performance test data table
| Sample | Tensile strength/MPa | Heat distortion temperature/DEG C |
| Method of testing | ASTM D638 | DIN53424 |
| Embodiment 1 | 3.13 | 128 |
| Embodiment 2 | 2.38 | 89 |
| Embodiment 3 | 2.15 | 92 |
| Embodiment 4 | 2.67 | 104 |
| Embodiment 5 | 2.51 | 96 |
| Embodiment 6 | 2.75 | 112 |
| Embodiment 7 | 2.36 | 103 |
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (Cocoamidopropyl betaine, 2- butyl -1,2- benzisothias
Oxazoline -3- ketone, CMIT compounding) traditional performance is substantially better than embodiment 2-4 (coconut oleoyl amines
In CAB, 2- butyl -1,2- benzisothiazole-3-ketones, CMIT it is any the two
Compounding)；Comparing embodiment 1 and embodiment 5-7, embodiment 1 (2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate compounding) are conventional
Performance is substantially better than embodiment 5-7 (the two any compounding in 2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate).
Test case 2
The heat endurance for the Corvic foam layer that embodiment 1-7 is prepared is tested, using difference
Thermal analysis system, using accelerated ageing of the Corvic foam layer sample in 210 DEG C of high-temperature oxygen, lured with oxidation
It is index to lead phase OTT (min).Specific test result is shown in Table 2.
Table 2：Environment-friendlyplastic plastic expects pipe heat stability testing tables of data
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (Cocoamidopropyl betaine, 2- butyl -1,2- benzisothias
Oxazoline -3- ketone, CMIT compounding) thermal stability is substantially better than embodiment 2-4 (cocounut oil acyls
Any two in amine CAB, 2- butyl -1,2- benzisothiazole-3-ketones, CMIT
Person compounds)；Comparing embodiment 1 and embodiment 5-7, embodiment 1 (2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate compounding) heat
Stability is substantially better than embodiment 5-7 (the two any compounding in 2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate).
Test case 3
The anti-microbial property for the Corvic foam layer that embodiment 1-7 is prepared is tested.
Antibacterial test standard：QB/T2591-2003 antibiotic plastic Anti-microbial Performance Tests methods and antibacterial effect.
Bacterium is used in detection：Escherichia coli ATCC8099；Staphylococcus aureus ATCC6538.
Specific test result is shown in Table 3.
Table 3：The anti-microbial property test table of Corvic foam layer
| Escherichia coli sterilizing rate, % | Golden yellow staphylococcus sterilizing rate % | |
| Embodiment 1 | 99.8 | 99.7 |
| Embodiment 2 | 92.4 | 91.6 |
| Embodiment 3 | 90.3 | 89.1 |
| Embodiment 4 | 91.5 | 90.8 |
| Embodiment 5 | 92.6 | 92.1 |
| Embodiment 6 | 93.5 | 92.9 |
| Embodiment 7 | 94.2 | 93.8 |
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (Cocoamidopropyl betaine, 2- butyl -1,2- benzisothias
Oxazoline -3- ketone, CMIT compounding) anti-microbial property is substantially better than embodiment 2-4 (coconut oleoyl amines
In CAB, 2- butyl -1,2- benzisothiazole-3-ketones, CMIT it is any the two
Compounding)；Comparing embodiment 1 and embodiment 5-7, embodiment 1 (2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate compounding) antibacterial
Performance is substantially better than embodiment 5-7 (the two any compounding in 2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate).
Claims (6)
1. a kind of communication pipe plastic tube, including intermediate layer, it is characterised in that the intermediate layer is Corvic foam
Plastic layer；
The Corvic foam layer is prepared by the raw material of following weight parts：Corvic 90-110
Part, toluene di-isocyanate(TDI) 10-20 parts, azodiisobutyronitrile 1-8 parts, titanium dioxide 1-5 parts, 4- ethyl resorcinols 0.01-
0.1 part, antiseptic 0.01-0.1 parts, heat stabilizer 0.01-0.1 parts.
2. communication pipe plastic tube as claimed in claim 1, it is characterised in that described antiseptic is cocamidopropyl propyl amide
It is one or more in glycine betaine, 2- butyl -1,2- benzisothiazole-3-ketones, CMIT
Mixture.
3. communication pipe plastic tube as claimed in claim 2, it is characterised in that described antiseptic is by cocamidopropyl propyl amide
Glycine betaine, 2- butyl-BIT, CMIT mix, described
Cocoamidopropyl betaine, 2- butyl -1,2- benzisothiazole-3-ketones, CMIT
Mass ratio is (1-3)：(1-3)：(1-3).
4. the communication pipe plastic tube as any one of claim 1-3, it is characterised in that described heat stabilizer is
One or more mixture in 2 ethyl hexanoic acid zinc, zinc laurate, zinc stearate.
5. communication pipe plastic tube as claimed in claim 4, it is characterised in that described heat stabilizer is by 2 ethyl hexanoic acid
Zinc, zinc laurate, zinc stearate mix, and the 2 ethyl hexanoic acid zinc, zinc laurate, the mass ratio of zinc stearate are (1-
3)：(1-3)：(1-3).
6. the preparation method of communication pipe plastic tube as any one of claim 1-5, it is characterised in that including following
Step：
(1) Corvic foam layer is prepared；
(2) fiber winding internal layer is that common process is used on fiber winding machine by carbon fiber, epoxy resin and quartz sand coiling
Obtain, at 80-85 °, thickness 2-4mm, fiber winding internal layer carbon fiber weight/mass percentage composition controls for fiber wind angle control
In 50-60%, the control of epoxy resin weight/mass percentage composition in 25-30%, surplus is quartz sand.Fiber winding outer layer is then in fibre
Aramid fiber and epoxy resin coiling are obtained using common process on dimension wrapping machine, fiber wind angle is controlled at 5-10 °, thick
Spend and controlled for 3-5mm, fiber winding outer layer aramid fiber weight/mass percentage composition in 80-85%, epoxy resin weight/mass percentage composition
Control is in 15-20%.Intermediate layer is Corvic foam layer, thickness 8-12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650014.1A CN107501780A (en) | 2017-08-02 | 2017-08-02 | Communication pipe plastic tube and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650014.1A CN107501780A (en) | 2017-08-02 | 2017-08-02 | Communication pipe plastic tube and preparation method thereof |
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| CN107501780A true CN107501780A (en) | 2017-12-22 |
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| CN201710650014.1A Withdrawn CN107501780A (en) | 2017-08-02 | 2017-08-02 | Communication pipe plastic tube and preparation method thereof |
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|---|---|---|---|---|
| CN103322337A (en) * | 2013-06-27 | 2013-09-25 | 无锡同心塑料制品有限公司 | Heat-insulating plastic pipe |
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| CN104262817A (en) * | 2014-08-29 | 2015-01-07 | 青岛承天伟业机械制造有限公司 | Low-temperature-resistant plastic hose |
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| CN106566119A (en) * | 2016-11-03 | 2017-04-19 | 苏州圣鑫莱新材料有限公司 | Nano PVC color masterbatch |
-
2017
- 2017-08-02 CN CN201710650014.1A patent/CN107501780A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031326A (en) * | 2013-03-07 | 2014-09-10 | 苑初明 | Modified hard crosslinked polyvinyl chloride flame-retardant foam and preparation method thereof |
| CN103322337A (en) * | 2013-06-27 | 2013-09-25 | 无锡同心塑料制品有限公司 | Heat-insulating plastic pipe |
| CN104194209A (en) * | 2014-07-31 | 2014-12-10 | 青岛吉顺隆商贸有限公司 | High-pressure PVC (polyvinyl chloride) hose |
| CN104262817A (en) * | 2014-08-29 | 2015-01-07 | 青岛承天伟业机械制造有限公司 | Low-temperature-resistant plastic hose |
| CN104497446A (en) * | 2014-12-19 | 2015-04-08 | 黄文鹏 | Polyvinyl chloride composite pipe and preparation method thereof |
| CN106566119A (en) * | 2016-11-03 | 2017-04-19 | 苏州圣鑫莱新材料有限公司 | Nano PVC color masterbatch |
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| Title |
|---|
| 冯亚青: "《助剂化学及工艺学》", 30 June 1997, 化学工业出版社 * |
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Application publication date: 20171222 |