CN106633489A - Rat-proof and termite-resistant cable material and preparation method thereof - Google Patents
Rat-proof and termite-resistant cable material and preparation method thereof Download PDFInfo
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- CN106633489A CN106633489A CN201610970656.5A CN201610970656A CN106633489A CN 106633489 A CN106633489 A CN 106633489A CN 201610970656 A CN201610970656 A CN 201610970656A CN 106633489 A CN106633489 A CN 106633489A
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
-
- 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
- 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
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a rat-proof and termite-resistant cable material and a preparation method thereof. The cable material is prepared from the following raw materials in parts by weight: 60 to 80 parts of polyvinyl chloride resin, 20 to 25 parts of polyethylene resin, 15 to 20 parts of polypropylene resin, 25 to 30 parts of plasticizer, 3 to 4 parts of modified kaolin, 3 to 4 parts of modified diatomite, 2 to 3 parts of calcium-zinc compound stabilizer, 1 to 2 parts of antioxidant, 0.3 to 0.5 part of vulcanization accelerator, 0.2 to 0.3 part of lubricant, and 3 to 4 parts of synthetic capsaicine. According to the rat-proof and termite-resistant cable material and the preparation method thereof, by adding the synthetic capsaicine, the cable material has strong biting taste and strong irritation, and is non-toxic, harmless and pollution-free to the environment; and moreover, the preparation method is simple, the source of materials is rich, the performance is excellent, the service life is long, the cost is relatively low, and the application prospect in the wires and cables industry is wide.
Description
Technical field
The invention belongs to technical field of cable, and in particular to a kind of cable material with termite-resistant rodent-resistant and its preparation
Method.
Background technology
Communication, electric power are the emphasis of nation-building, and the development in whichever place, communication, power construction are always leading, institute
To communicate, electric utility have developed rapidly.Communication, the development of electric utility, wherein cable material are exactly on one side.General cable
All it is generally by several or the cable of at least two stranded similar ropes of several groups of per group of wires, between every group of wire mutually
Insulation, and be often twisted into around a center, whole outside is surrounded by the coating of high-insulation.Cable is divided into electric power electricity by performance
Cable, control cable, compensating cable, shielded cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resisting cable,
Cable for ship, mine cable, aluminium alloy cable, photovoltaic cable etc., they are all by sub-thread or stranded conductor and insulating barrier group
Into for connecting circuit, electrical equipment etc..And with its various performance requirement more and more higher to cable of use demand, but one
A little specific fields of employment, cable installation environment is more complicated, due to the restriction of construction space so that cable needs constantly bending
Internally, this allows for cable and needs to have certain pliability in itself, and sometimes in water, cable must have long period of soaking
Excellent block-water performance, while in some dark moist spaces, often have Mus worm to occur, and mouse enjoys a lot to gnaw
Sting, and Coptotermes formosanus Shtrari. moth loses cable, this cable for allowing for being bitten or being eaten into erosion breaks down, and causes cable failure to affect to make
With.
The content of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, there is provided a kind of cable with termite-resistant rodent-resistant
Material and preparation method thereof.
To solve above-mentioned technical problem, the technical solution used in the present invention is:A kind of cable material with termite-resistant rodent-resistant,
It is made up of the raw material of following parts by weight:
60~80 parts of Corvic, 20~25 parts of polyvinyl resin, 15~20 parts of acrylic resin, plasticizer 25~30
Part, 3~4 parts of modified kaolin, 3~4 parts of modification infusorial earth, 2~3 parts of calcium zinc compound stabilizers, 1~2 part of antioxidant, sulfuration promote
Enter 0.3~0.5 part of agent, 0.2~0.3 part of lubricant, 3~4 parts of synthetic capsaicin.
Further, the Corvic is the Corvic of high polymerization degree, and the polyvinyl resin is height
Density Polyethylene Resin;The acrylic resin is high density poly propylene resin.
Further, the plasticizer is any one in dibutyl phthalate and dioctyl adipate.
Further, the calcium zinc compound stabilizers are calcium stearate, castor oil acid calcium, zinc stearate and zinc ricinate
Compare 1 with weight:0.5:1:The mixture of 1 composition.
Further, the antioxidant is 2.4 di-tert-butyl-phenyls-tris phosphite, dilauryl thiodipropionate, sulfur
For any one in dipropionic acid distearyl alcohol ester.
Further, the vulcanization accelerator is that vulcanizer PDM and ethylene thiourea compare 1 with weight:The mixing of 1 composition
Thing.
Further, the lubricant is Tissuemat E or the one kind in hard paraffin.
Further, the synthetic capsaicin is to compare 1 with weight for n- Vanillyl pelargonic amide, capsaicin and cypermethrin:
1:The mixture of 1 composition.
The invention also discloses a kind of preparation method of cable material with termite-resistant rodent-resistant, the preparation method bag
Include following step:
(1)Weigh raw material for standby:Above-mentioned raw materials are weighed according to weight proportion;
(2)Prepare material A:By Corvic, polyvinyl resin, acrylic resin, plasticizer mix homogeneously, banburying is added
Machine, 10~15min of mixing stirring, obtains material A under 120~130 DEG C of temperature conditionss;
(3)Prepare material B:By modified kaolin, modification infusorial earth, calcium zinc compound stabilizers, antioxidant, vulcanization accelerator, profit
Lubrication prescription and synthetic capsaicin are sequentially added in reactor, and the temperature control of reactor is between 90~100 DEG C, and side addition is former
The stirring of material side, after stirring, stands 3~5min, obtains material B;
(4)Melting injection mo(u)lding:Material A and material B prepared by gained is put in centrifuge, and centrifugal rotational speed is controlled 450
~500 turns/min, 4~6min is stirred, after mix homogeneously, in double screw extruder in 140~170 DEG C of processing temperature bar
Extrusion melting, injection granulating and forming are obtained final product under part.
Using a kind of cable material with termite-resistant rodent-resistant of the present invention and preparation method thereof, with prior art phase
Than its beneficial effect is:Due to being added with synthetic capsaicin, zest with strong acid and strongly, and nothing
Poison is harmless, does not pollute the environment, and preparation method is simple, and material source enriches, excellent performance, long service life, cost compared with
It is low, have broad application prospects in wires and cables industry.
Specific embodiment
In order to more fully explain the enforcement of the present invention, below in conjunction with specific embodiment the present invention is further illustrated.Institute
Give an actual example and be served only for explaining the present invention, rather than limit the scope of the present invention.
Embodiment 1:
A kind of cable material with termite-resistant rodent-resistant, is made up of the raw material of following parts by weight:
60 parts of Corvic, 25 parts of polyvinyl resin, 20 parts of acrylic resin, 30 parts of plasticizer, 3 parts of modified kaolin,
3 parts of modification infusorial earth, 2 parts of calcium zinc compound stabilizers, 1 part of antioxidant, 0.3 part of vulcanization accelerator, 0.2 part of lubricant, synthesis are peppery
3 parts of green pepper element.
Further, the Corvic is the Corvic of high polymerization degree, and the polyvinyl resin is height
Density Polyethylene Resin, the acrylic resin is high density poly propylene resin.
Further, the plasticizer is dibutyl phthalate.
Further, the calcium zinc compound stabilizers are calcium stearate, castor oil acid calcium, zinc stearate and zinc ricinate
Compare 1 with weight:0.5:1:The mixture of 1 composition.
Further, the antioxidant is 2.4 di-tert-butyl-phenyls-tris phosphite.
Further, the vulcanization accelerator is that vulcanizer PDM and ethylene thiourea compare 1 with weight:The mixing of 1 composition
Thing.
Further, the lubricant is Tissuemat E.
Further, the synthetic capsaicin is to compare 1 with weight for n- Vanillyl pelargonic amide, capsaicin and cypermethrin:
1:The mixture of 1 composition.
A kind of preparation method of cable material with termite-resistant rodent-resistant, the preparation method comprises the steps:
(1)Weigh raw material for standby:Above-mentioned raw materials are weighed according to weight proportion;
(2)Prepare material A:By Corvic, polyvinyl resin, acrylic resin, plasticizer mix homogeneously, banburying is added
Machine, 10~12min of mixing stirring, obtains material A under 120~125 DEG C of temperature conditionss;
(3)Prepare material B:By modified kaolin, modification infusorial earth, calcium zinc compound stabilizers, antioxidant, vulcanization accelerator, profit
Lubrication prescription and synthetic capsaicin are sequentially added in reactor, and the temperature control of reactor is between 90~95 DEG C, and side addition is former
The stirring of material side, after stirring, stands 3min, obtains material B;
(4)Melting injection mo(u)lding:Material A and material B prepared by gained is put in centrifuge, and centrifugal rotational speed is controlled 450
Turn/min, stir 6min, after mix homogeneously, extrude under the conditions of 140~170 DEG C of processing temperature in double screw extruder
Melting, injection granulating and forming are obtained final product.
Embodiment 2:
A kind of cable material with termite-resistant rodent-resistant, is made up of the raw material of following parts by weight:
70 parts of Corvic, 23 parts of polyvinyl resin, 18 parts of acrylic resin, 28 parts of plasticizer, 4 parts of modified kaolin,
4 parts of modification infusorial earth, 2 parts of calcium zinc compound stabilizers, 1 part of antioxidant, 0.4 part of vulcanization accelerator, 0.3 part of lubricant, synthesis are peppery
3 parts of green pepper element.
Further, the Corvic is the Corvic of high polymerization degree, and the polyvinyl resin is height
Density Polyethylene Resin;The acrylic resin is high density poly propylene resin.
Further, the plasticizer is dioctyl adipate.
Further, the calcium zinc compound stabilizers are calcium stearate, castor oil acid calcium, zinc stearate and zinc ricinate
Compare 1 with weight:0.5:1:The mixture of 1 composition.
Further, the antioxidant is dilauryl thiodipropionate.
Further, the vulcanization accelerator is that vulcanizer PDM and ethylene thiourea compare 1 with weight:The mixing of 1 composition
Thing.
Further, the lubricant is Tissuemat E.
Further, the synthetic capsaicin is to compare 1 with weight for n- Vanillyl pelargonic amide, capsaicin and cypermethrin:
1:The mixture of 1 composition.
A kind of preparation method of cable material with termite-resistant rodent-resistant, the preparation method comprises the steps:
(1)Weigh raw material for standby:Above-mentioned raw materials are weighed according to weight proportion;
(2)Prepare material A:By Corvic, polyvinyl resin, acrylic resin, plasticizer mix homogeneously, banburying is added
Machine, 12~15min of mixing stirring, obtains material A under 125~130 DEG C of temperature conditionss;
(3)Prepare material B:By modified kaolin, modification infusorial earth, calcium zinc compound stabilizers, antioxidant, vulcanization accelerator, profit
Lubrication prescription and synthetic capsaicin are sequentially added in reactor, and the temperature control of reactor is between 95~100 DEG C, and side addition is former
The stirring of material side, after stirring, stands 4min, obtains material B;
(4)Melting injection mo(u)lding:Material A and material B prepared by gained is put in centrifuge, and centrifugal rotational speed is controlled 480
Turn/min, stir 5min, after mix homogeneously, extrude under the conditions of 140~170 DEG C of processing temperature in double screw extruder
Melting, injection granulating and forming are obtained final product.
Embodiment 3:
A kind of cable material with termite-resistant rodent-resistant, is made up of the raw material of following parts by weight:
80 parts of Corvic, 20 parts of polyvinyl resin, 15 parts of acrylic resin, 25 parts of plasticizer, 4 parts of modified kaolin,
4 parts of modification infusorial earth, 3 parts of calcium zinc compound stabilizers, 2 parts of antioxidant, 0.5 part of vulcanization accelerator, 0.3 part of lubricant, synthesis are peppery
4 parts of green pepper element.
Further, the Corvic is the Corvic of high polymerization degree, and the polyvinyl resin is height
Density Polyethylene Resin;The acrylic resin is high density poly propylene resin.
Further, the plasticizer is dibutyl phthalate.
Further, the calcium zinc compound stabilizers are calcium stearate, castor oil acid calcium, zinc stearate and zinc ricinate
Compare 1 with weight:0.5:1:The mixture of 1 composition.
Further, the antioxidant is any one in thio-2 acid 2 stearyl ester.
Further, the vulcanization accelerator is that vulcanizer PDM and ethylene thiourea compare 1 with weight:The mixing of 1 composition
Thing.
Further, the lubricant is Tissuemat E or the one kind in hard paraffin.
Further, the synthetic capsaicin is to compare 1 with weight for n- Vanillyl pelargonic amide, capsaicin and cypermethrin:
1:The mixture of 1 composition.
A kind of preparation method of cable material with termite-resistant rodent-resistant, the preparation method comprises the steps:
(1)Weigh raw material for standby:Above-mentioned raw materials are weighed according to weight proportion;
(2)Prepare material A:By Corvic, polyvinyl resin, acrylic resin, plasticizer mix homogeneously, banburying is added
Machine, 12~15min of mixing stirring, obtains material A under 125~128 DEG C of temperature conditionss;
(3)Prepare material B:By modified kaolin, modification infusorial earth, calcium zinc compound stabilizers, antioxidant, vulcanization accelerator, profit
Lubrication prescription and synthetic capsaicin are sequentially added in reactor, and the temperature control of reactor is between 95~98 DEG C, and side addition is former
The stirring of material side, after stirring, stands 5min, obtains material B;
(4)Melting injection mo(u)lding:Material A and material B prepared by gained is put in centrifuge, and centrifugal rotational speed is controlled 500
Turn/min, stir 4min, after mix homogeneously, extrude under the conditions of 140~170 DEG C of processing temperature in double screw extruder
Melting, injection granulating and forming are obtained final product.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (9)
1. a kind of cable material with termite-resistant rodent-resistant, it is characterised in that be made up of the raw material of following parts by weight:
60~80 parts of Corvic, 20~25 parts of polyvinyl resin, 15~20 parts of acrylic resin, plasticizer 25~30
Part, 3~4 parts of modified kaolin, 3~4 parts of modification infusorial earth, 2~3 parts of calcium zinc compound stabilizers, 1~2 part of antioxidant, sulfuration promote
Enter 0.3~0.5 part of agent, 0.2~0.3 part of lubricant, 3~4 parts of synthetic capsaicin.
2. the cable material with termite-resistant rodent-resistant according to claim 1, it is characterised in that:The Corvic is
The Corvic of high polymerization degree, the polyvinyl resin is high-density polyethylene resin;The acrylic resin is highly dense
Degree acrylic resin.
3. the cable material with termite-resistant rodent-resistant according to claim 1, it is characterised in that:The plasticizer is adjacent benzene two
Any one in formic acid dibutyl ester and dioctyl adipate.
4. the cable material with termite-resistant rodent-resistant according to claim 1, it is characterised in that:The calcium zinc compound stabilizers
Compare 1 with weight for calcium stearate, castor oil acid calcium, zinc stearate and zinc ricinate:0.5:1:The mixture of 1 composition.
5. the cable material with termite-resistant rodent-resistant according to claim 1, it is characterised in that:The antioxidant is 2.4 2
Any one in tert-butyl-phenyl-tris phosphite, dilauryl thiodipropionate, thio-2 acid 2 stearyl ester.
6. the cable material with termite-resistant rodent-resistant according to claim 1, it is characterised in that:The vulcanization accelerator is rubber
Glue vulcanizing agent PDM and ethylene thiourea compare 1 with weight:The mixture of 1 composition.
7. the cable material with termite-resistant rodent-resistant according to claim 1, it is characterised in that:The lubricant is polyethylene
One kind in wax or hard paraffin.
8. the cable material with termite-resistant rodent-resistant according to claim 1, it is characterised in that:The synthetic capsaicin be for
N- Vanillyl pelargonic amide, capsaicin and cypermethrin compare 1 with weight:1:The mixture of 1 composition.
9. the preparation method of a kind of cable material with termite-resistant rodent-resistant as any one of claim 1-8, its feature
It is that the preparation method comprises the steps:
(1)Weigh raw material for standby:Above-mentioned raw materials are weighed according to weight proportion;
(2)Prepare material A:By Corvic, polyvinyl resin, acrylic resin, plasticizer mix homogeneously, banburying is added
Machine, 10~15min of mixing stirring, obtains material A under 120~130 DEG C of temperature conditionss;
(3)Prepare material B:By modified kaolin, modification infusorial earth, calcium zinc compound stabilizers, antioxidant, vulcanization accelerator, profit
Lubrication prescription and synthetic capsaicin are sequentially added in reactor, and the temperature control of reactor is between 90~100 DEG C, and side addition is former
The stirring of material side, after stirring, stands 3~5min, obtains material B;
(4)Melting injection mo(u)lding:Material A and material B prepared by gained is put in centrifuge, and centrifugal rotational speed is controlled 450
~500 turns/min, 4~6min is stirred, after mix homogeneously, in double screw extruder in 140~170 DEG C of processing temperature bar
Extrusion melting, injection granulating and forming are obtained final product under part.
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CN201610970656.5A CN106633489A (en) | 2016-11-07 | 2016-11-07 | Rat-proof and termite-resistant cable material and preparation method thereof |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107474355A (en) * | 2017-08-04 | 2017-12-15 | 安徽远征电缆科技有限公司 | A kind of protection against rodents environmental cable for preventing white ant material and preparation method thereof |
CN107907951A (en) * | 2017-12-01 | 2018-04-13 | 钱理 | A kind of protection against rodents indoor optical-fibre jacket material and preparation method thereof |
CN107903476A (en) * | 2017-12-14 | 2018-04-13 | 全椒县三安塑业有限公司 | A kind of hard wearing high quality plastics |
CN109054205A (en) * | 2018-07-06 | 2018-12-21 | 山东泉兴银桥光电缆科技发展有限公司 | A kind of termite-resistant rodent-resistant power cable cover material and preparation method thereof |
CN109181052A (en) * | 2018-07-18 | 2019-01-11 | 山东华能线缆有限公司 | A kind of slow-release termite-resistant rodent-resistant cable jacket material |
CN109294119A (en) * | 2018-09-30 | 2019-02-01 | 康泰塑胶科技集团有限公司 | Anti- mouse and termite sting bad sheath tubing and preparation method thereof |
CN109456523A (en) * | 2018-09-30 | 2019-03-12 | 金发科技股份有限公司 | A kind of regeneration PE protective cover material and the preparation method and application thereof |
CN111154162A (en) * | 2019-12-05 | 2020-05-15 | 西安鼎蓝通信技术有限公司 | Cable insulation layer material and preparation method thereof |
CN112646251A (en) * | 2020-11-24 | 2021-04-13 | 杭州富通电线电缆有限公司 | Anti-termite and anti-mouse cable and preparation method thereof |
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Cited By (13)
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CN107474355A (en) * | 2017-08-04 | 2017-12-15 | 安徽远征电缆科技有限公司 | A kind of protection against rodents environmental cable for preventing white ant material and preparation method thereof |
CN107907951B (en) * | 2017-12-01 | 2019-11-15 | 国网湖北省电力有限公司荆门供电公司 | A kind of protection against rodents indoor optical-fibre jacket material and preparation method thereof |
CN107907951A (en) * | 2017-12-01 | 2018-04-13 | 钱理 | A kind of protection against rodents indoor optical-fibre jacket material and preparation method thereof |
CN107903476A (en) * | 2017-12-14 | 2018-04-13 | 全椒县三安塑业有限公司 | A kind of hard wearing high quality plastics |
CN109054205A (en) * | 2018-07-06 | 2018-12-21 | 山东泉兴银桥光电缆科技发展有限公司 | A kind of termite-resistant rodent-resistant power cable cover material and preparation method thereof |
CN109181052B (en) * | 2018-07-18 | 2021-03-23 | 山东华能线缆有限公司 | Slow-release type rat-proof and termite-proof cable sheath material |
CN109181052A (en) * | 2018-07-18 | 2019-01-11 | 山东华能线缆有限公司 | A kind of slow-release termite-resistant rodent-resistant cable jacket material |
CN109456523A (en) * | 2018-09-30 | 2019-03-12 | 金发科技股份有限公司 | A kind of regeneration PE protective cover material and the preparation method and application thereof |
CN109294119A (en) * | 2018-09-30 | 2019-02-01 | 康泰塑胶科技集团有限公司 | Anti- mouse and termite sting bad sheath tubing and preparation method thereof |
CN111154162A (en) * | 2019-12-05 | 2020-05-15 | 西安鼎蓝通信技术有限公司 | Cable insulation layer material and preparation method thereof |
WO2021134976A1 (en) * | 2019-12-31 | 2021-07-08 | 公牛集团股份有限公司 | Anti-biting agent, anti-biting material, anti-biting article and preparation method therefor |
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Application publication date: 20170510 |