CN105646998A - Ultraviolet resistant, rat-and-ant-resistant, low-temperature-resistant and environment-friendly polyolefin material and preparation method - Google Patents
Ultraviolet resistant, rat-and-ant-resistant, low-temperature-resistant and environment-friendly polyolefin material and preparation method Download PDFInfo
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- CN105646998A CN105646998A CN201610213801.5A CN201610213801A CN105646998A CN 105646998 A CN105646998 A CN 105646998A CN 201610213801 A CN201610213801 A CN 201610213801A CN 105646998 A CN105646998 A CN 105646998A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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
- H01B3/441—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 alkenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
The invention relates to an ultraviolet-resistant, rat-and-ant-resistant, low-temperature-resistant and environment-friendly polyolefin material and a preparation method. The purpose is that the provided material has the advantages of good flame resistance and the like, so as to meet the requirement of the production of special wires and cables. The preparation method and technology of the material are simple, and the material cost is low. The technical scheme is that the material comprises the following raw materials: an anti-rat and ant agent and ethylene-vinyl acetate copolymer. The preparation method of the material comprises the following steps: firstly, preparing flame retardant masterbatch; secondly, mixing the ethylene-vinyl acetate copolymer, low density polyethylene, maleic anhydride grafted polyethylene and an antioxidant according to a ratio; thirdly, feeding materials obtained in the steps (1) and (2), an anti-ultraviolet complexing agent and the anti-rat and ant agent into an internal mixer cavity, so as to be subjected to internal mixing; fourthly, conveying formula material blocks subjected to internal mixing to a screw extruder, finally cutting the formula material blocks into granular formula material blocks, and performing bagging after air cooling.
Description
Technical field
The present invention relates to macromolecular compound field, specifically uvioresistant termite-resistant rodent-resistant low-temperature-resistant environment-friendly polyolefine material and preparation method.
Background technology
Current optical cable, power cables, coaxial cable construction, frequently with exposed directly putting, make somebody a mere figurehead, buried, the several ways such as lay, its sheath material is generally adopted common PE material. But common PE protective cover material uvioresistant is termite-proof, mouse, the biological function nibbled such as Sciurus vulgaris or hare are not strong; After the cable sheath material encroached on is snapped food destruction, it may appear that " duck eye " causes cable to make moist or soak, thus causing the accidents such as telecommunication interruption, leak electricity short-circuit. The method that construction party generally adopts plastic tube or steel (aluminum) protection of pipe at Exterior cable; Cables manufacturing business then adopts the thin steel (aluminum) metal sheath layer with composition inside cable, and Ye You manufacturer adopts and cable core adds the multiple physical protection countermeasures such as armouring, but it is little all to produce effects.
Summary of the invention
It is an object of the invention to overcome the deficiency of above-mentioned background technology, the environment-friendly type polyolefine material of a kind of uvioresistant rat-and-ant proof is provided, this material should have good flame resistance, smokelessly nontoxic, rat-and-ant proof, uvioresistant, the advantage such as ageing-resistant, to meet the demand that Special Wires and Cables produces; The preparation method of this material, technique are simple, and material cost is relatively low.
Present invention provide the technical scheme that uvioresistant termite-resistant rodent-resistant low-temperature-resistant environment-friendly polyolefine material, including raw material and weight portion be:
With rat-and-ant proof agent 15-20, ethylene-vinyl acetate copolymer 25-30, Low Density Polyethylene 6-10, maleic anhydride grafted polyethylene 9-12, anti-ultraviolet uv-resistant complexing agent 10-18, aluminium hydroxide 20-25, polysiloxanes 6-10, antioxidant 4-10.
Described rat-and-ant proof agent is n-Vanillyl pelargonic amide.
Described anti-ultraviolet uv-resistant complexing agent is: the multiple mixture of a kind of or arbitrary proportion in nanometer uv-resistant barrier, anti-ultraviolet additive, ultraviolet (UV) resistant agent, light stabilizer.
The preparation method of uvioresistant termite-resistant rodent-resistant low-temperature-resistant environment-friendly polyolefine material is:
(1) by aluminium hydroxide and polysiloxanes according to proportioning mixing granulation, obtain with aluminium hydroxide be main flame retardant, polysiloxanes be the fire-retardant master granule of collaborative secondary fire retardant;
(2) ethylene-vinyl acetate copolymer, Low Density Polyethylene, maleic anhydride grafted polyethylene, antioxidant are mixed according to proportioning;
(3) material obtained in step (1), (2) and anti-ultraviolet uv-resistant complexing agent, rat-and-ant proof agent all join in banbury cavity, with the temperature banburying 15��25 minutes of 150��200 DEG C, formulation material is made to melt, bonding in bulk;
(4) formulation material block good for banburying is delivered to screw extruder, after the high temperature plasticizing of 180-250 DEG C is mixing, plastifies extrusion then through the high temperature of 180-250 DEG C, finally cut into graininess, air-cooled rear pack.
The invention has the beneficial effects as follows:
The product provided has good flame resistance, good stability, smokelessly nontoxic, rat-and-ant proof, the advantage such as ageing-resistant, and the electric wire and cable jacket for making has the function of anti-ultraviolet, rat-and-ant proof. The preparation method provided is simple, and production cost is relatively low.
Detailed description of the invention
Technical solution of the present invention is by with aluminium hydroxide for main flame retardant, polysiloxanes is collaborative secondary fire retardant, add and determine that the proportioning (including rat-and-ant proof agent, anti-ultraviolet uv-resistant complexing agent) of CABLE MATERIALS raw and auxiliary material prepares by test of many times, maleic anhydride grafted polyethylene is interfacial compatibilizer, the de-glutinous effect of strengthening interface flexible layer, aluminium hydroxide can be effectively ensured dispersed in matrix resin, thus solving the problem owing to filling the CABLE MATERIALS mechanical properties decrease that aluminium hydroxide causes in a large number, improve the combination property of CABLE MATERIALS. Compared to existing composite flame-retardant agent, the material component proportioning of the present invention can obtain high performance fireproofing cable material without halide, wherein, oxygen index (OI) >=36% of CABLE MATERIALS, hot strength >=14Mpa, elongation at break >=320%, fire resistance is UL, VW-1 (fireproofing cable material without halide of existing employing composite flame-retardant agent or be only capable of realizing high oxygen index (OI) or being only capable of realizing high tensile or being only capable of realizing elongation at break or being only capable of realizing the fire resistance of VW-1, it does not have can simultaneously realize above-mentioned high performance CABLE MATERIALS). After affiliated rat-and-ant proof agent, anti-ultraviolet uv-resistant complexing agent, also there is rat-and-ant proof to bite and anti-ultraviolet uv-resistant function. Antioxidant can be selected for the kinds such as antioxidant 1010, antioxidant 1076, antioxidant 768.
The method preparing above-mentioned CABLE MATERIALS includes dispensing, batch mixing, internally mix, extrude, the step such as cut, specific as follows:
(1) by aluminium hydroxide and polysiloxanes according to proportioning mixing granulation, with aluminium hydroxide be main flame retardant, polysiloxanes prepare high concentration of fire retardant master batch for collaborative secondary fire retardant;
(2) ethylene-vinyl acetate copolymer, Low Density Polyethylene, maleic anhydride grafted polyethylene, antioxidant, rat-and-ant proof agent and anti-ultraviolet uv-resistant complexing agent are mixed according to proportioning, with maleic anhydride grafted polyethylene for interfacial compatibilizer;
(3) fire-retardant master granule and the dispensing mixed all are joined in banbury cavity, with the temperature of 150��200 DEG C, banburying 15��25 minutes, make formulation material melt, bond in bulk;
(4) by formulation material block good for banburying, automatic transport adds to the charging aperture of double screw extruder, after the high temperature plasticizing of 7��9 sections, 180-250 DEG C of double screw extruder is mixing;Flow into the charging aperture of single screw extrusion machine again, through the high temperature plasticizing extrusion of 6��8 sections 180-250 DEG C of single screw extrusion machine, finally cut into graininess, packed by after air cooling.
This preparation method has the advantages that
1) adopt multistep mixed granulation process, the compatibility of fire retardant and matrix material can be improved.
2) fire retardant is implemented Surface coating and process and add high molecular weight compatibilizer, increase the interaction of inorganic material and matrix material, it is ensured that material has enough hot strengths, is effectively improved the elongation at break of material.
3) add a small amount of surfactant in the material, increase the mobility of compound system, improve the surface quality after CABLE MATERIALS extrusion.
In sum, low-smoke halogen-free flame retardant material disclosed by the invention and preparation method thereof, adopt formula design and the preparation technology thereof of novelty, the efficient fireproofing cable material without halide of excellent properties can be obtained, there is the features such as novel formula, technique effect is excellent, CABLE MATERIALS performance boost is notable.
Further illustrate below in conjunction with specific embodiment.
Embodiment 1
Extract the raw material of following weight portion:
N-Vanillyl pelargonic amide class/C17H27NO3) 18, ethylene-vinyl acetate copolymer 28, Low Density Polyethylene 8, maleic anhydride grafted polyethylene 10, nanometer uv-resistant barrier 15, aluminium hydroxide 24, polysiloxanes 8, antioxidant 1010 4.
Preparation method is as follows:
(1) by aluminium hydroxide and polysiloxanes according to proportioning mixing granulation;
(2) all the other materials are mixed according to proportioning;
(3) above-mentioned material material is all joined in banbury cavity, with the temperature of 180 DEG C, banburying 20 minutes, make formulation material melt, bond in bulk;
(4) formulation material block good for banburying is delivered to double screw extruder, after the high temperature plasticizings of 7��9 sections 220 DEG C of double screw extruder are mixing; Then through the high temperature plasticizing extrusion of 6��8 sections 220 DEG C of single screw extrusion machine, finally cut into graininess, air-cooled rear pack.
Embodiment 2
Extract the raw material of following weight portion:
N-Vanillyl pelargonic amide class/C17H27NO3) 15, ethylene-vinyl acetate copolymer 30, Low Density Polyethylene 6, maleic anhydride grafted polyethylene 12, ultraviolet (UV) resistant agent 10, aluminium hydroxide 28, polysiloxanes 6, antioxidant 1076 4.
Preparation method is as follows:
(1) by aluminium hydroxide and polysiloxanes according to proportioning mixing granulation;
(2) all the other materials are mixed according to proportioning;
(3) above-mentioned material material is all joined in banbury cavity, with the temperature banburying 25 minutes of 200 DEG C, make formulation material melt, bonding in bulk;
(4) formulation material block good for banburying is delivered to double screw extruder, after the high temperature plasticizings of 7��9 sections 180 DEG C of double screw extruder are mixing; Then through the high temperature plasticizing extrusion of 6��8 sections 180 DEG C of single screw extrusion machine, finally cut into graininess, air-cooled rear pack.
Embodiment 3
Extract the raw material of following weight portion:
N-Vanillyl pelargonic amide class/C17H27NO3) 20, ethylene-vinyl acetate copolymer 25, Low Density Polyethylene 10, maleic anhydride grafted polyethylene 8, light stabilizer Tinuvin77016, aluminium hydroxide 20, polysiloxanes 10, antioxidant 7685.
Preparation method is as follows:
(1) by aluminium hydroxide and polysiloxanes according to proportioning mixing granulation;
(2) all the other materials are mixed according to proportioning;
(3) above-mentioned material material is all joined in banbury cavity, with the temperature of 150 DEG C, banburying 25 minutes, make formulation material melt, bond in bulk;
(4) formulation material block good for banburying is delivered to double screw extruder, after the high temperature plasticizings of 7��9 sections 250 DEG C of double screw extruder are mixing;Then through the high temperature plasticizing extrusion of 6��8 sections 250 DEG C of single screw extrusion machine, finally cut into graininess, air-cooled rear pack.
The CABLE MATERIALS that above example is obtained carries out the data that detection obtains: oxygen index (OI) >=36%, hot strength >=14Mpa, elongation at break >=320%, fire resistance is UL, VW-1.
Claims (4)
1. uvioresistant termite-resistant rodent-resistant low-temperature-resistant environment-friendly polyolefine material, including raw material and weight portion be:
Rat-and-ant proof agent 15-20, ethylene-vinyl acetate copolymer 25-30, Low Density Polyethylene 6-10, maleic anhydride grafted polyethylene 9-12, anti-ultraviolet uv-resistant complexing agent 10-18, aluminium hydroxide 20-25, polysiloxanes 6-10, antioxidant 4-10.
2. uvioresistant termite-resistant rodent-resistant low-temperature-resistant environment-friendly polyolefine material according to claim 1, it is characterised in that described rat-and-ant proof agent is n-Vanillyl pelargonic amide.
3. uvioresistant termite-resistant rodent-resistant low-temperature-resistant environment-friendly polyolefine material according to claim 1 and 2, it is characterised in that described anti-ultraviolet uv-resistant complexing agent is: the multiple mixture of a kind of or arbitrary proportion in nanometer uv-resistant barrier, anti-ultraviolet additive, ultraviolet (UV) resistant agent, light stabilizer.
4. the preparation method of the uvioresistant termite-resistant rodent-resistant low-temperature-resistant environment-friendly polyolefine material described in claim 1 is:
(1) by aluminium hydroxide and polysiloxanes according to proportioning mixing granulation, obtain with aluminium hydroxide be main flame retardant, polysiloxanes be the fire-retardant master granule of collaborative secondary fire retardant;
(2) ethylene-vinyl acetate copolymer, Low Density Polyethylene, maleic anhydride grafted polyethylene, antioxidant are mixed according to proportioning;
(3) material obtained in step (1), (2) and anti-ultraviolet uv-resistant complexing agent, rat-and-ant proof agent all join in banbury cavity, with the temperature banburying 15��25 minutes of 150��200 DEG C, formulation material is made to melt, bonding in bulk;
(4) formulation material block good for banburying is delivered to screw extruder, after the high temperature plasticizing of 180-250 DEG C is mixing, plastifies extrusion then through the high temperature of 180-250 DEG C, finally cut into graininess, air-cooled rear pack.
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| CN201610213801.5A CN105646998A (en) | 2016-04-07 | 2016-04-07 | Ultraviolet resistant, rat-and-ant-resistant, low-temperature-resistant and environment-friendly polyolefin material and preparation method |
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Cited By (3)
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| CN106317580A (en) * | 2016-09-26 | 2017-01-11 | 高团结 | Preparation method of rat-proof and ant-proof halogen-free low-smoke flame-retardant polyolefine cable material |
| CN112280161A (en) * | 2020-10-16 | 2021-01-29 | 深圳市沃尔核材股份有限公司 | XLPO sheath material for charging cable and preparation and application thereof |
| CN112795120A (en) * | 2020-12-14 | 2021-05-14 | 中广核拓普（四川）新材料有限公司 | Modified polyethylene material, preparation method thereof, rat and ant prevention sheath and processing method thereof |
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| CN112280161A (en) * | 2020-10-16 | 2021-01-29 | 深圳市沃尔核材股份有限公司 | XLPO sheath material for charging cable and preparation and application thereof |
| CN112795120A (en) * | 2020-12-14 | 2021-05-14 | 中广核拓普（四川）新材料有限公司 | Modified polyethylene material, preparation method thereof, rat and ant prevention sheath and processing method thereof |
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Application publication date: 20160608 |