CN109021319A - Moisture resistant cable sheath and preparation method thereof - Google Patents
Moisture resistant cable sheath and preparation method thereof Download PDFInfo
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- CN109021319A CN109021319A CN201810707946.XA CN201810707946A CN109021319A CN 109021319 A CN109021319 A CN 109021319A CN 201810707946 A CN201810707946 A CN 201810707946A CN 109021319 A CN109021319 A CN 109021319A
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- cable sheath
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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
- C08L7/00—Compositions of natural rubber
-
- 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
- C08K2003/2231—Oxides; Hydroxides of metals of tin
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of moisture resistant cable sheath and preparation method thereof, which includes: that molecular sieve, graphene, porous-starch and water 1) are carried out ultrasonic vibration, is then dried so that mixture is made；2) mixture, Nano zinc dioxide impact-resistant, nano-stannic oxide are impregnated, is then filtered so that moisture-proof additive is made；3) natural rubber, polyvinyl chloride, dioctyl terephthalate, hydroxymethyl starch, bentonite, nano-titanium dioxide, silicone oil, sulphur and moisture-proof additive are kneaded, formed so that moisture resistant cable sheath is made.The cable cover(ing) has excellent humidity resistance, while the preparation method has the advantages that process is simple and raw material is easy to get.
Description
Technical field
The present invention relates to cables, and in particular, to a kind of moisture resistant cable sheath and preparation method thereof.
Background technique
Cable is mainly made of following four part.Conducting wire center: it is made of high electrical conductivity materials (copper or aluminium).According to laying
Requirement of the use condition to cable softness, the every line heart may be twisted by solid conductor or multiple conducting wires；Sheath: it uses
The insulating materials for making cable should have high insulation resistance, high breakdown field strength, low dielectric loss and low dielectric
Constant.Sealing sheath: protect protection insulated wire heart from the damage of machinery, moisture, moisture, chemical substance, light etc..For moisture-sensitive
Insulation generally uses lead or aluminium extrusion sealing sheath；Protect coating: to protect sealing sheath from mechanical damage.
Although existing sheath can satisfy existing demand, but existing sheath tend to occur in a humid environment it is mould
Bacterium phenomenon, and then threat is brought for the service life of cable.
Summary of the invention
The object of the present invention is to provide a kind of moisture resistant cable sheath and preparation method thereof, which prevents with excellent
Damp performance, while the preparation method has the advantages that process is simple and raw material is easy to get.
To achieve the goals above, the present invention provides a kind of preparation methods of moisture resistant cable sheath, comprising:
1) molecular sieve, graphene, porous-starch and water are subjected to ultrasonic vibration, then dried so that mixture is made；
2) mixture, Nano zinc dioxide impact-resistant, nano-stannic oxide are impregnated, is then filtered so that moisture-proof addition is made
Agent；
3) by natural rubber, polyvinyl chloride, dioctyl terephthalate, hydroxymethyl starch, bentonite, nanometer titanium dioxide
Titanium, silicone oil, sulphur and moisture-proof additive are kneaded, form so that moisture resistant cable sheath is made.
The present invention provides a kind of moisture resistant cable sheath, which is prepared by above-mentioned preparation method
?.
In the above-mentioned technical solutions, graphene is embedded in molecular sieve by the present invention by ultrasonic vibration first, while more
Hole starch is coated in the surface of graphene, then by way of immersion by Nano zinc dioxide impact-resistant, nano-stannic oxide into
It is placed between porous-starch and molecular sieve；Under conditions of cold, the equal energy of Nano zinc dioxide impact-resistant, nano-stannic oxide, graphene
Enough effects for effectively playing moisture-proof, antibiotic so that cable cover(ing) have the effect of it is moisture-proof.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of preparation methods of moisture resistant cable sheath, comprising:
1) molecular sieve, graphene, porous-starch and water are subjected to ultrasonic vibration, then dried so that mixture is made；
2) mixture, Nano zinc dioxide impact-resistant, nano-stannic oxide are impregnated, is then filtered so that moisture-proof addition is made
Agent；
3) by natural rubber, polyvinyl chloride, dioctyl terephthalate, hydroxymethyl starch, bentonite, nanometer titanium dioxide
Titanium, silicone oil, sulphur and moisture-proof additive are kneaded, form so that moisture resistant cable sheath is made.
In step 1) of the invention, the dosage of each material can select in a wide range, but in order to further mention
The humidity resistance of high cable cover(ing), it is preferable that in step 1), molecular sieve, graphene, porous-starch and water weight ratio be
50:10-15:18-22:150-250.
In step 1) of the invention, the condition of ultrasonic vibration can select in a wide range, but in order to further
Improve the humidity resistance of cable cover(ing), it is preferable that in step 1), ultrasonic vibration meets the following conditions: supersonic frequency 25-
30KHz, concussion time are 40-60min.
In step 1) of the invention, dry condition can select in a wide range, but in order to further increase
The humidity resistance of cable cover(ing), it is preferable that in step 1), drying meets the following conditions: drying temperature is 100-120 DEG C, is done
The dry time is 2-4h.
In step 2) of the invention, the dosage of each material can select in a wide range, but in order to further mention
The humidity resistance of high cable cover(ing), it is preferable that in step 2), mixture, Nano zinc dioxide impact-resistant, the weight of nano-stannic oxide
Than for 100:3-6:1.5-4.
In step 2) of the invention, the condition of immersion can select in a wide range, but in order to further increase
The humidity resistance of cable cover(ing), it is preferable that in step 2), immersion meets the following conditions: soaking temperature is 35-45 DEG C, is impregnated
Time is 10-16h.
In step 3) of the invention, the dosage of each material can select in a wide range, but in order to further mention
The humidity resistance of high cable cover(ing), in step 3), the natural rubber, polyvinyl chloride, dioctyl terephthalate, methylol
Starch, bentonite, nano-titanium dioxide, silicone oil, sulphur and moisture-proof additive weight ratio be 60:30-40:17-22:8-12:
11-15:1-1.5:20-28:5-9:3-6.
In step 3) of the invention, the condition of mixing can select in a wide range, but in order to further increase
The humidity resistance of cable cover(ing), in step 3), the mixing meets the following conditions: melting temperature is 130-150 DEG C DEG C, is kneaded
Time is 40-60min.
The present invention provides a kind of moisture resistant cable sheath, which is prepared by above-mentioned preparation method
?.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) molecular sieve, graphene, porous-starch and water ultrasonic vibration is carried out according to the weight ratio of 50:13:20:200 (to surpass
Acoustic frequency is 28KHz, and the concussion time is 50min), then dry (drying temperature is 110 DEG C, drying time 3h) is to be made mixed
Close object；
2) mixture, Nano zinc dioxide impact-resistant, nano-stannic oxide are impregnated into (leaching according to the weight ratio of 100:4:2.5
Steeping temperature is 40 DEG C, soaking time 13h), it then filters so that moisture-proof additive A 1 is made.
Embodiment 2
1) molecular sieve, graphene, porous-starch and water ultrasonic vibration is carried out according to the weight ratio of 50:10:18:150 (to surpass
Acoustic frequency is 25KHz, and the concussion time is 60min), then dry (drying temperature is 100 DEG C, drying time 4h) is to be made mixed
Close object；
2) mixture, Nano zinc dioxide impact-resistant, nano-stannic oxide are impregnated into (leaching according to the weight ratio of 100:3:1.5
Steeping temperature is 35 DEG C, soaking time 16h), it then filters so that moisture-proof additive A 2 is made.
Embodiment 3
1) molecular sieve, graphene, porous-starch and water ultrasonic vibration is carried out according to the weight ratio of 50:15:22:250 (to surpass
Acoustic frequency is 30KHz, and the concussion time is 40min), then dry (drying temperature is 120 DEG C, drying time 2h) is to be made mixed
Close object；
2) mixture, Nano zinc dioxide impact-resistant, nano-stannic oxide are impregnated according to the weight ratio of 100:6:4 and (is impregnated
Temperature is 45 DEG C, soaking time 10h), it then filters so that moisture-proof additive A 3 is made.
Application examples 1
By natural rubber, polyvinyl chloride, dioctyl terephthalate, hydroxymethyl starch, bentonite, nano-titanium dioxide,
Silicone oil, sulphur and above-mentioned moisture-proof additive are kneaded at 140 DEG C according to the weight ratio of 60:35:19:10:13:1.3:25:7:5
50min, obtained cable cover(ing) is formed.It places above-mentioned cable cover(ing) is lower in 40 DEG C, the environment of humidity 60% 15 days, then unites
Count the colony density (CFU/dm on the surface of cable cover(ing)2), concrete outcome is shown in Table 1.
Table 1
| Moisture-proof additive | A1 | A2 | A3 | Control group |
| Colony density (CFU/dm2) | 2 | 2 | 3 | 9 |
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (9)
1. a kind of preparation method of moisture resistant cable sheath characterized by comprising
1) molecular sieve, graphene, porous-starch and water are subjected to ultrasonic vibration, then dried so that mixture is made；
2) mixture, Nano zinc dioxide impact-resistant, nano-stannic oxide are impregnated, is then filtered so that moisture-proof addition is made
Agent；
3) by natural rubber, polyvinyl chloride, dioctyl terephthalate, hydroxymethyl starch, bentonite, nano-titanium dioxide, silicon
Oil, sulphur and moisture-proof additive are kneaded, form so that moisture resistant cable sheath is made.
2. preparation method according to claim 1, wherein in step 1), the molecular sieve, graphene, porous-starch
Weight ratio with water is 50:10-15:18-22:150-250.
3. preparation method according to claim 1, wherein in step 1), the ultrasonic vibration meets the following conditions: super
Acoustic frequency is 25-30KHz, and the concussion time is 40-60min.
4. preparation method according to claim 1, wherein in step 1), the drying meets the following conditions: dry temperature
Degree is 100-120 DEG C, drying time 2-4h.
5. preparation method according to claim 1, wherein in step 2), the mixture, is received Nano zinc dioxide impact-resistant
The weight ratio of rice stannic oxide is 100:3-6:1.5-4.
6. preparation method according to claim 1, wherein in step 2), the immersion meets the following conditions: impregnating temperature
Degree is 35-45 DEG C, soaking time 10-16h.
7. preparation method described in any one of -6 according to claim 1, wherein in step 3), the natural rubber gathers
Vinyl chloride, dioctyl terephthalate, hydroxymethyl starch, bentonite, nano-titanium dioxide, silicone oil, sulphur and moisture-proof additive
Weight ratio be 60:30-40:17-22:8-12:11-15:1-1.5:20-28:5-9:3-6.
8. preparation method described in any one of -6 according to claim 1, wherein in step 3), the mixing meet with
Lower condition: melting temperature is 130-150 DEG C DEG C, mixing time 40-60min.
9. a kind of moisture resistant cable sheath, which is characterized in that the moisture resistant cable sheath passes through any one of claim 1-8 institute
The preparation method stated is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707946.XA CN109021319A (en) | 2018-07-02 | 2018-07-02 | Moisture resistant cable sheath and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707946.XA CN109021319A (en) | 2018-07-02 | 2018-07-02 | Moisture resistant cable sheath and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109021319A true CN109021319A (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810707946.XA Pending CN109021319A (en) | 2018-07-02 | 2018-07-02 | Moisture resistant cable sheath and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908522A (en) * | 2021-01-18 | 2021-06-04 | 甘肃金强信邦电缆有限公司 | Preparation method of crosslinked polyolefin insulated cable |
-
2018
- 2018-07-02 CN CN201810707946.XA patent/CN109021319A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908522A (en) * | 2021-01-18 | 2021-06-04 | 甘肃金强信邦电缆有限公司 | Preparation method of crosslinked polyolefin insulated cable |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181218 |