CN109254370A - A kind of waterproof relief cable - Google Patents
A kind of waterproof relief cable Download PDFInfo
- Publication number
- CN109254370A CN109254370A CN201811443884.2A CN201811443884A CN109254370A CN 109254370 A CN109254370 A CN 109254370A CN 201811443884 A CN201811443884 A CN 201811443884A CN 109254370 A CN109254370 A CN 109254370A
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- parts
- acrylate
- band
- oversheath
- water
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Classifications
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- 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
- G02B6/443—Protective covering
-
- 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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a kind of waterproof relief cables, including tight tube fiber, nonmetallic reinforcement key, band, inner restrictive coating, braiding, oversheath, wherein, the setting of several tight tube fibers is on the inside of oversheath and glued with nonmetallic reinforcement key, and band, aramid fiber, inner restrictive coating, braiding are set gradually between tight tube fiber and oversheath；The band is made of material water-proof material, and the raw material of material water-proof material includes: 80-100 parts of sodium acrylate, 30-40 parts of hydroxy acrylate, 0.5-1 parts of initiator, 2-4 parts of crosslinking agent, 1-2 parts of glycerol dimethacrylate, 150-200 parts of hexamethylene, 100-120 parts of distilled water by weight.Sodium acrylate and hydroxy acrylate are carried out quick emulsion polymerization polymerization by the present invention, reduce the degree of cross linking of core material, improve the high-hydroscopicity of band, simultaneously using glycerol dimethacrylate as the second crosslinking agent, cross-linked phase is cross-linked to form to close shell structurre in core material periphery, improves compressive property after swelling.
Description
Technical field
The present invention relates to optical cable technology field more particularly to a kind of waterproof relief cables.
Background technique
Relief cable makes because light, convenient, quick advantage is frequently used in fire-fighting, speedily carries out rescue work, the urgent occasion such as the disaster relief
It is often also more base with environment, thus also higher, especially waterproofness is required to the various aspects of performance of optical cable, it is good anti-
Water, block-water performance just can guarantee fire-fighting, speedily carry out rescue work, guarantee the normal of communication during the disaster relief of natural calamity, and then improve the disaster relief
Efficiency.Existing waterproof relief cable improves optical cable waterproof performance, but optical cable demand ointment frequently with greasy for preventing water, water blocking yarn
Loading it is big, cause optical cable to influence cable machinery performance from great, and will lead to each element of optical cable friction is small, cause
Opposite sliding, is easy to that accident, and environment easy to pollute occurs；And water blocking yarn easily loses powder, and block-water performance have it is to be strengthened.
Summary of the invention
The invention proposes being modified to band material in relief cable, sodium acrylate and hydroxy acrylate are carried out
Quick emulsion polymerization polymerization, reduces the degree of cross linking of core material, improves the high-hydroscopicity of band, while using dimethacrylate
Glyceride is cross-linked to form cross-linked phase to close shell structurre as the second crosslinking agent, in core material periphery, improves resistance to compression after swelling
Performance.
A kind of waterproof relief cable proposed by the present invention, including tight tube fiber, nonmetallic reinforcement key, band, inner restrictive coating,
Braiding, oversheath, wherein several tight tube fibers are arranged on the inside of oversheath and, tight tube fiber glued with nonmetallic reinforcement key
Band, aramid fiber, inner restrictive coating, braiding are set gradually between oversheath；The band is made of material water-proof material, material water-proof material
Raw material includes: 80-100 parts of sodium acrylate, 30-40 parts of hydroxy acrylate, 0.5-1 parts of initiator, crosslinking agent 2-4 by weight
Part, 1-2 parts of glycerol dimethacrylate, 150-200 parts of hexamethylene, 100-120 parts of distilled water.
Preferably, hydroxy acrylate is hydroxy-ethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate, methyl
One or more mixtures of hydroxy-ethyl acrylate.
Preferably, initiator is potassium peroxydisulfate and/or sodium peroxydisulfate.
Preferably, crosslinking agent is diacrylate propylene glycol ester, ethylene glycol dimethacrylate, dimethacrylate the third two
One kind of alcohol ester, N- hydroxymethyl acrylate.
Preferably, the preparation method of material water-proof material include the following steps: by sodium acrylate, hydroxy acrylate, initiator,
Crosslinking agent, distilled water are uniformly mixing to obtain mixed liquor, and nitrogen is passed through into hexamethylene, and mixed liquor is added, is warming up to 100-120
DEG C, 10-20min is reacted, is cooled to 70-80 DEG C, dimethyl allene acid glycerol is added, the reaction was continued, and 1-2h obtains material water-proof material.
Preferably, in the preparation process of material water-proof material, 100-120 DEG C is warming up in 5min.
Preferably, the nonmetallic reinforcement key is made of fibre reinforced plastics or aramid fiber.
Preferably, the internal layer sheath and oversheath are made of low-smoke non-halogen flame-retardant polyethylene.
The present invention is modified band material in relief cable, improves the waterproof performance that blocks water of band, wherein block water
Material is obtained by sodium acrylate and two class monomer polymerization of hydroxy acrylate, and sodium acrylate has good hydrophily, water imbibition
Can be good, hydroxy acrylate has good reactivity, with acrylic acid quickly there is acquisition to have open structure at high temperature
Copolymer, improve the water absorbing properties of material.Since sodium acrylate and hydroxy acrylate are in the work of bifunctional crosslinking agent
There is very high reactivity with lower, reaction speed is difficult to control in aqueous systems, further, the present invention is poly- using lotion
It closes, had not only guaranteed that monomer fast reaction obtained low cross-linking structure and guarantees water absorbing properties, but also can effectively control reaction speed and improve instead
Product yield.Led to have by lotion and obtained loose core material, in order to guarantee band entirety mechanical property and water absorption and swelling after it is anti-
Performance is pressed, cross-linked phase is further cross-linked to form in core material periphery as the second crosslinking agent using glycerol dimethacrylate
To close shell structurre, thus the structure of outer tight interior pine not only guarantees the surrounding moisture that can effectively absorb water when optical cable meets water
Enter cable core to avoid moisture penetration, while surface layer tight structure improves band swelling resistance, is able to maintain very after water suction
Good mechanical property is realized to optical cable more preferably protecting effect.
Detailed description of the invention
Fig. 1 is waterproof relief cable structural schematic diagram proposed by the present invention.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of waterproof relief cable, including tight tube fiber, nonmetallic reinforcement key, band, inner restrictive coating, braiding, oversheath,
Wherein, the setting of several tight tube fibers is on the inside of oversheath and glued with nonmetallic reinforcement key, between tight tube fiber and oversheath
Set gradually band, aramid fiber, inner restrictive coating, braiding；
The nonmetallic reinforcement key is made of fibre reinforced plastics；
The internal layer sheath and oversheath are made of low-smoke non-halogen flame-retardant polyethylene；
The band is made of material water-proof material, and the raw material of material water-proof material includes: 80 parts of sodium acrylate, acrylic acid by weight
30 parts of hydroxyl ethyl ester, 0.5 part of potassium peroxydisulfate, 4 parts of diacrylate propylene glycol ester, 1 part of glycerol dimethacrylate, hexamethylene 200
Part, 100 parts of distilled water；
The preparation method of material water-proof material include the following steps: by sodium acrylate, hydroxy acrylate, initiator, crosslinking agent,
Distilled water is uniformly mixing to obtain mixed liquor, and nitrogen is passed through into hexamethylene, and mixed liquor is added, and 100 DEG C is warming up in 5min, reaction
10min is cooled to 70 DEG C, dimethyl allene acid glycerol is added, the reaction was continued, and 2h obtains material water-proof material.
Embodiment 2
A kind of waterproof relief cable, including tight tube fiber, nonmetallic reinforcement key, band, inner restrictive coating, braiding, oversheath,
Wherein, the setting of several tight tube fibers is on the inside of oversheath and glued with nonmetallic reinforcement key, between tight tube fiber and oversheath
Set gradually band, aramid fiber, inner restrictive coating, braiding；
The nonmetallic reinforcement key is made of aramid fiber；
The internal layer sheath and oversheath are made of low-smoke non-halogen flame-retardant polyethylene；
The band is made of material water-proof material, and the raw material of material water-proof material includes: 100 parts of sodium acrylate, propylene by weight
40 parts of sour hydroxypropyl acrylate, 1 part of sodium peroxydisulfate, 2 parts of ethylene glycol dimethacrylate, 2 parts of glycerol dimethacrylate, hexamethylene
150 parts, 120 parts of distilled water；
The preparation method of material water-proof material include the following steps: by sodium acrylate, hydroxy acrylate, initiator, crosslinking agent,
Distilled water is uniformly mixing to obtain mixed liquor, and nitrogen is passed through into hexamethylene, and mixed liquor is added, and 100 DEG C is warming up in 5min, reaction
20min is cooled to 70 DEG C, dimethyl allene acid glycerol is added, the reaction was continued, and 2h obtains material water-proof material.
Embodiment 3
A kind of waterproof relief cable, including tight tube fiber, nonmetallic reinforcement key, band, inner restrictive coating, braiding, oversheath,
Wherein, the setting of several tight tube fibers is on the inside of oversheath and glued with nonmetallic reinforcement key, between tight tube fiber and oversheath
Set gradually band, aramid fiber, inner restrictive coating, braiding；
The nonmetallic reinforcement key is made of aramid fiber；
The internal layer sheath and oversheath are made of low-smoke non-halogen flame-retardant polyethylene；
The band is made of material water-proof material, and the raw material of material water-proof material includes: 90 parts of sodium acrylate, methyl-prop by weight
35 parts of olefin(e) acid hydroxyl ethyl ester, 0.7 part of potassium peroxydisulfate, 3 parts of dimethyl allene acid propylene glycol ester, 1.5 parts of glycerol dimethacrylate,
180 parts of hexamethylene, 110 parts of distilled water；
The preparation method of material water-proof material include the following steps: by sodium acrylate, hydroxy acrylate, initiator, crosslinking agent,
Distilled water is uniformly mixing to obtain mixed liquor, and nitrogen is passed through into hexamethylene, and mixed liquor is added, and 110 DEG C is warming up in 5min, reaction
15min is cooled to 75 DEG C, dimethyl allene acid glycerol is added, the reaction was continued, and 1.5h obtains material water-proof material.
Embodiment 4
A kind of waterproof relief cable, including tight tube fiber, nonmetallic reinforcement key, band, inner restrictive coating, braiding, oversheath,
Wherein, the setting of several tight tube fibers is on the inside of oversheath and glued with nonmetallic reinforcement key, between tight tube fiber and oversheath
Set gradually band, aramid fiber, inner restrictive coating, braiding；
The nonmetallic reinforcement key is made of aramid fiber；
The internal layer sheath and oversheath are made of low-smoke non-halogen flame-retardant polyethylene；
The band is made of material water-proof material, and the raw material of material water-proof material includes: 95 parts of sodium acrylate, methyl-prop by weight
20 parts of olefin(e) acid hydroxyl ethyl ester, 15 parts of hydroxyethyl methacrylate, 0.8 part of potassium peroxydisulfate, 3.5 parts of N- hydroxymethyl acrylate, diformazan
1.5 parts of base glycerol acrylate, 180 parts of hexamethylene, 110 parts of distilled water；
The preparation method of material water-proof material include the following steps: by sodium acrylate, hydroxy acrylate, initiator, crosslinking agent,
Distilled water is uniformly mixing to obtain mixed liquor, and nitrogen is passed through into hexamethylene, and mixed liquor is added, and 110 DEG C is warming up in 5min, reaction
15min is cooled to 75 DEG C, dimethyl allene acid glycerol is added, the reaction was continued, and 1.5h obtains material water-proof material.
Reference examples 1
A kind of waterproof relief cable, including tight tube fiber, nonmetallic reinforcement key, band, inner restrictive coating, braiding, oversheath,
Wherein, the setting of several tight tube fibers is on the inside of oversheath and glued with nonmetallic reinforcement key, between tight tube fiber and oversheath
Set gradually band, aramid fiber, inner restrictive coating, braiding；
The nonmetallic reinforcement key is made of aramid fiber；
The internal layer sheath and oversheath are made of low-smoke non-halogen flame-retardant polyethylene；
The band is made of material water-proof material, and the raw material of material water-proof material includes: 95 parts of sodium acrylate, methyl-prop by weight
20 parts of olefin(e) acid hydroxyl ethyl ester, 15 parts of hydroxyethyl methacrylate, 0.8 part of potassium peroxydisulfate, 3.5 parts of N- hydroxymethyl acrylate, diformazan
1.5 parts of base glycerol acrylate, 180 parts of hexamethylene, 110 parts of distilled water；
The preparation method of material water-proof material include the following steps: by sodium acrylate, hydroxy acrylate, initiator, crosslinking agent,
Distilled water is uniformly mixing to obtain mixed liquor, and nitrogen is passed through into hexamethylene, and mixed liquor is added, and is warming up to 70 DEG C, reacts 1h, cooling
To 60 DEG C, dimethyl allene acid glycerol is added, the reaction was continued, and 1.5h obtains material water-proof material.
Reference examples 2
A kind of waterproof relief cable, including tight tube fiber, nonmetallic reinforcement key, band, inner restrictive coating, braiding, oversheath,
Wherein, the setting of several tight tube fibers is on the inside of oversheath and glued with nonmetallic reinforcement key, between tight tube fiber and oversheath
Set gradually band, aramid fiber, inner restrictive coating, braiding；
The nonmetallic reinforcement key is made of aramid fiber；
The internal layer sheath and oversheath are made of low-smoke non-halogen flame-retardant polyethylene；
The band is made of material water-proof material, and the raw material of material water-proof material includes: 95 parts of sodium acrylate, methyl-prop by weight
20 parts of olefin(e) acid hydroxyl ethyl ester, 15 parts of hydroxyethyl methacrylate, 0.8 part of potassium peroxydisulfate, 3.5 parts of N- hydroxymethyl acrylate, hexamethylene
180 parts of alkane, 110 parts of distilled water；
The preparation method of material water-proof material include the following steps: by sodium acrylate, hydroxy acrylate, initiator, crosslinking agent,
Distilled water is uniformly mixing to obtain mixed liquor, and nitrogen is passed through into hexamethylene, and mixed liquor is added, and 110 DEG C is warming up in 5min, reaction
30min obtains material water-proof material.
Material water-proof material obtained by embodiment 1-3 and reference examples 1-2 is carried out water absorbing properties to test, test result is as follows table
It is shown:
It can be seen that the present invention from above-mentioned property data to be modified band material in relief cable, improve band
Block water waterproof performance, wherein material water-proof material is obtained by sodium acrylate and two class monomer polymerization of hydroxy acrylate, sodium acrylate tool
There is good hydrophily, water absorbing properties are good, and hydroxy acrylate has good reactivity, quick with acrylic acid at high temperature
With the copolymer with open structure is obtained, the water absorbing properties of material are improved.Due to sodium acrylate and hydroxy acrylate
There is very high reactivity under the action of bifunctional crosslinking agent, reaction speed is difficult to control in aqueous systems, further
Ground, the present invention use emulsion polymerization, have not only guaranteed that monomer fast reaction obtained low cross-linking structure and guarantees water absorbing properties, but also can be effective
It controls reaction speed and improves reaction yield.It has led to have by lotion and has obtained loose core material, in order to guarantee the mechanics of band entirety
Compressive property after performance and water absorption and swelling, further using glycerol dimethacrylate as the second crosslinking agent, in core material
Periphery is cross-linked to form cross-linked phase to close shell structurre, and thus the structure of outer tight interior pine not only guarantees energy when optical cable meets water
Enough effectively water suction surrounding moisture enters cable core to avoid moisture penetration, while surface layer tight structure improves band anti-swelling
Can, it is able to maintain good mechanical property after water suction, realizes to optical cable more preferably protecting effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of waterproof relief cable, which is characterized in that including tight tube fiber, nonmetallic reinforcement key, band, inner restrictive coating, volume
Knit, oversheath, wherein several tight tube fibers are arranged on the inside of oversheath and glued with nonmetallic reinforcement key, tight tube fiber and
Band, aramid fiber, inner restrictive coating, braiding are set gradually between oversheath；The band is made of material water-proof material, the original of material water-proof material
Material includes: 80-100 parts of sodium acrylate, 30-40 parts of hydroxy acrylate, 0.5-1 parts of initiator, crosslinking agent 2-4 by weight
Part, 1-2 parts of glycerol dimethacrylate, 150-200 parts of hexamethylene, 100-120 parts of distilled water.
2. waterproof relief cable according to claim 1, which is characterized in that hydroxy acrylate be hydroxy-ethyl acrylate,
One or more mixtures of hydroxypropyl acrylate, hydroxyethyl methacrylate, hydroxyethyl methacrylate.
3. waterproof relief cable according to claim 1 or 2, which is characterized in that initiator is potassium peroxydisulfate and/or over cure
Sour sodium.
4. waterproof relief cable according to claim 1-3, which is characterized in that crosslinking agent is diacrylate the third two
Alcohol ester, ethylene glycol dimethacrylate, one kind of dimethyl allene acid propylene glycol ester, N- hydroxymethyl acrylate.
5. waterproof relief cable according to claim 1-4, which is characterized in that the preparation method packet of material water-proof material
It includes following steps: sodium acrylate, hydroxy acrylate, initiator, crosslinking agent, distilled water is uniformly mixing to obtain mixed liquor, to
It is passed through nitrogen in hexamethylene, mixed liquor is added, is warming up to 100-120 DEG C, reacts 10-20min, is cooled to 70-80 DEG C, is added two
Metering system acid glycerol, the reaction was continued, and 1-2h obtains material water-proof material.
6. waterproof relief cable according to claim 1-5, which is characterized in that the preparation process of material water-proof material
In, 100-120 DEG C is warming up in 5min.
7. waterproof relief cable according to claim 1-6, which is characterized in that the nonmetallic reinforcement key is by fibre
Dimension reinforced plastics or aramid fiber are made.
8. waterproof relief cable according to claim 1-7, which is characterized in that the internal layer sheath and oversheath
It is made of low-smoke non-halogen flame-retardant polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443884.2A CN109254370B (en) | 2018-11-29 | 2018-11-29 | Waterproof emergency optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443884.2A CN109254370B (en) | 2018-11-29 | 2018-11-29 | Waterproof emergency optical cable |
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| CN109254370A true CN109254370A (en) | 2019-01-22 |
| CN109254370B CN109254370B (en) | 2020-10-02 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1347926A (en) * | 2000-10-12 | 2002-05-08 | 罗姆和哈斯公司 | Forming method of polymer hydro-dispersing liquid |
| CN1354216A (en) * | 2001-11-26 | 2002-06-19 | 湖北省化学研究所 | Water-proofing powder with high water absorption for optical cable and electric cable and its preparation method |
| CN2684215Y (en) * | 2004-04-05 | 2005-03-09 | 江苏亨通光电股份有限公司 | Novel outdoor optical cable |
| US20050159319A1 (en) * | 2004-01-16 | 2005-07-21 | Eoff Larry S. | Methods of using sealants in multilateral junctions |
| CN101981070A (en) * | 2008-03-28 | 2011-02-23 | 大金工业株式会社 | Fluorine-containing polymer and water- and oil-repellent agent |
| US20150152228A1 (en) * | 2010-10-06 | 2015-06-04 | Novartis Ag | Polymerizable chain-extended polysiloxanes with pendant hydrophilic groups |
| CN107099120A (en) * | 2017-05-03 | 2017-08-29 | 苏州轩朗塑料制品有限公司 | A kind of preparation method and applications of light flame-retardant construction material |
| CN107163301A (en) * | 2017-06-19 | 2017-09-15 | 南京华信藤仓光通信有限公司 | A kind of high hydroscopic resin and its preparation method and application |
| CN207397740U (en) * | 2017-10-20 | 2018-05-22 | 长飞光纤光缆(上海)有限公司 | A kind of layer-twisted type microbeam pipe photoelectric mixed cable |
| CN207571350U (en) * | 2017-11-28 | 2018-07-03 | 长飞光纤光缆股份有限公司 | A kind of layer-stranding cable with excellent bending performance |
| CN108873213A (en) * | 2018-08-31 | 2018-11-23 | 铜陵市铜都特种线缆有限公司 | A kind of nonmetallic relief cable |
-
2018
- 2018-11-29 CN CN201811443884.2A patent/CN109254370B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1347926A (en) * | 2000-10-12 | 2002-05-08 | 罗姆和哈斯公司 | Forming method of polymer hydro-dispersing liquid |
| CN1354216A (en) * | 2001-11-26 | 2002-06-19 | 湖北省化学研究所 | Water-proofing powder with high water absorption for optical cable and electric cable and its preparation method |
| US20050159319A1 (en) * | 2004-01-16 | 2005-07-21 | Eoff Larry S. | Methods of using sealants in multilateral junctions |
| CN2684215Y (en) * | 2004-04-05 | 2005-03-09 | 江苏亨通光电股份有限公司 | Novel outdoor optical cable |
| CN101981070A (en) * | 2008-03-28 | 2011-02-23 | 大金工业株式会社 | Fluorine-containing polymer and water- and oil-repellent agent |
| US20150152228A1 (en) * | 2010-10-06 | 2015-06-04 | Novartis Ag | Polymerizable chain-extended polysiloxanes with pendant hydrophilic groups |
| CN107099120A (en) * | 2017-05-03 | 2017-08-29 | 苏州轩朗塑料制品有限公司 | A kind of preparation method and applications of light flame-retardant construction material |
| CN107163301A (en) * | 2017-06-19 | 2017-09-15 | 南京华信藤仓光通信有限公司 | A kind of high hydroscopic resin and its preparation method and application |
| CN207397740U (en) * | 2017-10-20 | 2018-05-22 | 长飞光纤光缆(上海)有限公司 | A kind of layer-twisted type microbeam pipe photoelectric mixed cable |
| CN207571350U (en) * | 2017-11-28 | 2018-07-03 | 长飞光纤光缆股份有限公司 | A kind of layer-stranding cable with excellent bending performance |
| CN108873213A (en) * | 2018-08-31 | 2018-11-23 | 铜陵市铜都特种线缆有限公司 | A kind of nonmetallic relief cable |
Non-Patent Citations (2)
| Title |
|---|
| A.J.F. CARVALHO: "Size exclusion chromatography characterization of thermoplastic starch composites 1. Influence of plasticizer and fibre content", 《POLYMER DEGRADATION AND STABILITY》 * |
| 李国玉等: "酯类交联剂交联丙烯酸钠吸水树脂的紫外引发制备与性能", 《功能高分子学报》 * |
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