CN109593259A - The preparation method of fast ceramic cable material of polyolefin - Google Patents
The preparation method of fast ceramic cable material of polyolefin Download PDFInfo
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
-
- 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)
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
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Abstract
The invention discloses a kind of preparation methods of fast ceramic cable material of polyolefin, the following steps are included: S1. weighs modified kaolin, zinc borate, glass powder with low melting point, montmorillonite powder, nano-sized magnesium hydroxide, 2- (tertiary butyl dimethyl Si base) ethamine, 3- sulfydryl -1- propanesulfonate is added in high-speed mixer, mixes 15min at 65 DEG C；S2. by ethylene-vinyl acetate copolymer, ethylene-octene copolymer, low density polyethylene (LDPE), maleic anhydride grafted polyethylene, lubricant, antioxidant is added in the material being uniformly mixed in S1, mixed at high speed 3min；S3. the material being mixed to get in S2 is introduced into double screw extruder melting extrusion processing by taper feeding hopper, it is dry to get the fast ceramic Low-smoke flame retardant cable material then through single screw rod extruding pelletization；The fire-retardant quick, good mechanical properties of the CABLE MATERIALS shelling of this method preparation effectively completely cut off flame for can be realized fast ceramic when cable fire layer.
Description
Technical field
The present invention relates to CABLE MATERIALS field more particularly to a kind of preparation methods of fast ceramic cable material of polyolefin.
Background technique
In order to more reasonably utilize land resource, the infrastructure such as modern office building, residential building, hospital, hotel, market by
It walks to scale, high stratification development, also to the safety of electricity consumption, more stringent requirements are proposed for the highly dense of personnel.Cable at present
There is the available use of many refractory materials in industry, such as Ceramic silicon rubber material, ceramic polyolefine material, mica tape
Deng wherein ceramic polyolefine material is because its processing technology is simple, the factors such as at low cost are receive more and more attention.
However, presently, there are fillers and the bad influence shelling effect of resin dispersion and height for ceramic polyolefine material
The problems such as filling causes mechanical property to reduce, has seriously affected such material further applying in field of cables.Therefore, how
A kind of fire-retardant quick, good mechanical properties the ceramic cable material of polyolefin of shelling is developed, becomes those skilled in the art and exerts
The direction of power.
Summary of the invention
It is an object of the present invention to provide a kind of preparation method of fast ceramic cable material of polyolefin, what this method was prepared
The fire-retardant quick, good mechanical properties of CABLE MATERIALS shelling, for can effectively completely cut off flame when cable fire layer, to guarantee
Electrical equipment energy continuous service for a period of time, provides valuable time to personnel escape and fire-fighting and rescue when fire occurs.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of system of fast ceramic cable material of polyolefin
Preparation Method, comprising the following steps:
S1. 75 ~ 100 parts of modified kaolin are weighed, 30 ~ 40 parts of zinc borate, 10 ~ 15 parts of glass powder with low melting point, montmorillonite powder 10 ~
25 parts, 50 ~ 75 parts of nano-sized magnesium hydroxide, 3 ~ 8 parts of ethamine of 2- (tertiary butyl dimethyl Si base), 3- sulfydryl -1- propanesulfonate 0.5
In ~ 5 parts of addition high-speed mixers, 15min is mixed at 65 DEG C；
S2. by 40 ~ 55 parts of ethylene-vinyl acetate copolymer, 10 ~ 25 parts of ethylene-octene copolymer, low density polyethylene (LDPE) 15 ~
25 parts, 5 ~ 10 parts of maleic anhydride grafted polyethylene, 0.2 ~ 2 part of lubricant, 0.4 ~ 1.5 part of antioxidant be added S1 in be uniformly mixed
In material, mixed at high speed 3min；
S3. the material being mixed to get in S2 is introduced into double screw extruder melting extrusion processing by taper feeding hopper, then through list
Screw Extrusion is granulated, in 75 DEG C of dry 2h to get the fast ceramic Low-smoke flame retardant cable material；
The modified kaolin is prepared by following steps: by kaolin, acetamide, carboxymethyl cellulose by 1:3:4's
Weight ratio uniformly mixes, then temperature constant magnetic stirring 72h at 90 DEG C of reaction temperature filters sample, and products therefrom is dry
It is washed 3 times with dehydrated alcohol afterwards, 60 DEG C of freeze-day with constant temperature 12h are to get the modified kaolin.
Further improved technical solution is as follows in above-mentioned technical proposal:
1. in above scheme, the mass content of vinylacetate is 20 ~ 35% in the ethylene-vinyl acetate copolymer.
2. in above scheme, the mass ratio of octene is 30 ~ 45% in the ethylene-octene copolymer.
3. in above scheme, the maleic anhydride grafted polyethylene grafting rate is 0.5 ~ 1.5%.
4. in above scheme, the antioxidant is antioxidant 1010, antioxidant 300, irgasfos 168, antioxidant ST-252
At least one of.
5. in above scheme, the lubricant is polyethylene wax, paraffinic mineral oil, dimethyl silicone polymer, zinc stearate
At least one of.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
1. the preparation method of fast ceramic cable material of polyolefin of the present invention is basic resin with polyolefin, using modified kaolinite
75 ~ 100 parts of soil, 30 ~ 40 parts of zinc borate, 10 ~ 15 parts of glass powder with low melting point, 50 ~ 75 parts of the nano-sized magnesium hydroxide fire retardants formed
System, low in cost, processing technology is simple, and fire is met when for cable fire layer material can quickly form fine and close hard protection
Shell plays the role of fire resisting suppression cigarette, and then extends the circuit protection time, when providing valuable to personnel escape and fire-fighting and rescue
Between；In addition, kaolin used in formula after acetamide and Modified by Carboxymethyl Cellulose, is effectively improved since filler adds
The problem of material mechanical performance caused by amount is big reduces.
2. the preparation method of fast ceramic cable material of polyolefin of the present invention, 2- (tert-butyl is first used in preparation process
Dimethylsilyl bis) 0.5 ~ 5 part of 3 ~ 8 parts of ethamine and 3- sulfydryl -1- propanesulfonate and filler component be pre-mixed at 65 DEG C
15min improves the interfacial property between organic phase and inorganic filler, makes the compatibility and dispersion of polyolefin resin and inorganic filler
Property it is more preferable, and then the mechanical property of ceramic polyolefin fire resisting layer material obtained is further improved, so that the material is used for
It can not only play the role of refractory heat-insulating when cable fire layer, moreover it is possible to play tension jointly with oversheath and drag effect, protection is internal
Cable core do not influenced by external forces, guarantee the stability and safety of cable.
Specific embodiment
The present invention will be further described below with reference to examples:
A kind of embodiment 1 ~ 4: preparation method of fast ceramic cable material of polyolefin, comprising the following steps:
S1. 75 ~ 100 parts of modified kaolin are weighed, 30 ~ 40 parts of zinc borate, 10 ~ 15 parts of glass powder with low melting point, montmorillonite powder 10 ~
25 parts, 50 ~ 75 parts of nano-sized magnesium hydroxide, 3 ~ 8 parts of ethamine of 2- (tertiary butyl dimethyl Si base), 3- sulfydryl -1- propanesulfonate 0.5
In ~ 5 parts of addition high-speed mixers, 15min is mixed at 65 DEG C；
S2. by 40 ~ 55 parts of ethylene-vinyl acetate copolymer, 10 ~ 25 parts of ethylene-octene copolymer, low density polyethylene (LDPE) 15 ~
25 parts, 5 ~ 10 parts of maleic anhydride grafted polyethylene, 0.2 ~ 2 part of lubricant, 0.4 ~ 1.5 part of antioxidant be added S1 in be uniformly mixed
In material, mixed at high speed 3min；
S3. the material being mixed to get in S2 is introduced into double screw extruder melting extrusion processing by taper feeding hopper, then through list
Screw Extrusion is granulated, in 75 DEG C of dry 2h to get the fast ceramic Low-smoke flame retardant cable material；
The specific parts by weight of each component are as shown in the table in each embodiment:
Table 1
The modified kaolin is prepared by following steps: by kaolin, acetamide, carboxymethyl cellulose by 1:3:4's
Weight ratio uniformly mixes, then temperature constant magnetic stirring 72h at 90 DEG C of reaction temperature filters sample, and products therefrom is dry
It is washed 3 times with dehydrated alcohol afterwards, 60 DEG C of freeze-day with constant temperature 12h are to get the modified kaolin.
The antioxidant of embodiment 1 is antioxidant 1010；The antioxidant of embodiment 2 is antioxidant 300；The antioxygen of embodiment 3
Agent is irgasfos 168；The antioxidant of embodiment 4 is antioxidant ST-252.
The lubricant of embodiment 1 is polyethylene wax；The lubricant of embodiment 2 is paraffinic mineral oil；The lubricant of embodiment 3
For dimethyl silicone polymer；The lubricant of embodiment 4 is zinc stearate.
Comparative example 1: a kind of cable material of polyolefin is made of following parts by weight of component:
45 parts of ethylene-vinyl acetate copolymer,
15 parts of ethylene-octene copolymer,
15 parts of low density polyethylene (LDPE),
8 parts of maleic anhydride grafted polyethylene,
85 parts of modified kaolin,
40 parts of zinc borate,
15 parts of glass powder with low melting point,
15 parts of montmorillonite powder,
50 parts of nano-sized magnesium hydroxide,
1.2 parts of lubricant,
1 part of antioxidant；
The modified kaolin is prepared by following steps: by kaolin, acetamide, carboxymethyl cellulose by 1:3:4's
Weight ratio uniformly mixes, then temperature constant magnetic stirring 72h at 90 DEG C of reaction temperature filters sample, and products therefrom is dry
It is washed 3 times with dehydrated alcohol afterwards, 60 DEG C of freeze-day with constant temperature 12h are to get the modified kaolin.
Preparation method is conventional method.
Comparative example 2: a kind of cable material of polyolefin is made of following parts by weight of component:
55 parts of ethylene-vinyl acetate copolymer,
25 parts of ethylene-octene copolymer,
25 parts of low density polyethylene (LDPE),
9 parts of maleic anhydride grafted polyethylene,
90 parts of kaolin,
35 parts of zinc borate,
14 parts of glass powder with low melting point,
25 parts of montmorillonite powder,
70 parts of nano-sized magnesium hydroxide,
8 parts of ethamine of 2- (tertiary butyl dimethyl Si base),
4 parts of propanesulfonate of 3- sulfydryl -1-,
2 parts of lubricant,
1.5 parts of antioxidant；
Preparation method is conventional method.
Comparative example 3: a kind of cable material of polyolefin is made of following parts by weight of component:
40 parts of ethylene-vinyl acetate copolymer,
10 parts of ethylene-octene copolymer,
20 parts of low density polyethylene (LDPE),
6 parts of maleic anhydride grafted polyethylene,
80 parts of kaolin,
30 parts of zinc borate,
12 parts of glass powder with low melting point,
18 parts of montmorillonite powder,
50 parts of nano-sized magnesium hydroxide,
0.5 part of lubricant,
0.5 part of antioxidant；
Preparation method is conventional method.
The CABLE MATERIALS tabletting on 160 DEG C of vulcanizing press that will be prepared in each embodiment and comparative example, cold pressing, depanning,
The sample with a thickness of 2mm and test is made, performance detection data is as follows:
Table 3
As shown in Table 3, no matter shelling flame-retardant smoke inhibition effect or mechanical property are superior to the CABLE MATERIALS of preparation of the embodiment of the present invention
CABLE MATERIALS obtained in each comparative example, the CABLE MATERIALS are used to can be realized fast ceramic when cable fire layer, effectively isolation fire
Flame inhibits cable to discharge toxic smog, provides valuable time to personnel escape and fire-fighting and rescue.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of preparation method of fast ceramic cable material of polyolefin, it is characterised in that: the following steps are included:
S1. 75 ~ 100 parts of modified kaolin are weighed, 30 ~ 40 parts of zinc borate, 10 ~ 15 parts of glass powder with low melting point, montmorillonite powder 10 ~
25 parts, 50 ~ 75 parts of nano-sized magnesium hydroxide, 3 ~ 8 parts of ethamine of 2- (tertiary butyl dimethyl Si base), 3- sulfydryl -1- propanesulfonate 0.5
In ~ 5 parts of addition high-speed mixers, 15min is mixed at 65 DEG C；
S2. by 40 ~ 55 parts of ethylene-vinyl acetate copolymer, 10 ~ 25 parts of ethylene-octene copolymer, low density polyethylene (LDPE) 15 ~
25 parts, 5 ~ 10 parts of maleic anhydride grafted polyethylene, 0.2 ~ 2 part of lubricant, 0.4 ~ 1.5 part of antioxidant be added S1 in be uniformly mixed
In material, mixed at high speed 3min；
S3. the material being mixed to get in S2 is introduced into double screw extruder melting extrusion processing by taper feeding hopper, then through list
Screw Extrusion is granulated, in 75 DEG C of dry 2h to get the fast ceramic Low-smoke flame retardant cable material；
The modified kaolin is prepared by following steps: by kaolin, acetamide, carboxymethyl cellulose by 1:3:4's
Weight ratio uniformly mixes, then temperature constant magnetic stirring 72h at 90 DEG C of reaction temperature filters sample, and products therefrom is dry
It is washed 3 times with dehydrated alcohol afterwards, 60 DEG C of freeze-day with constant temperature 12h are to get the modified kaolin.
2. the preparation method of fast ceramic cable material of polyolefin according to claim 1, it is characterised in that: the second
The mass content of vinylacetate is 20 ~ 35% in alkene-vinyl acetate co-polymer.
3. the preparation method of fast ceramic cable material of polyolefin according to claim 1, it is characterised in that: the second
The mass ratio of octene is 30 ~ 45% in alkene-octene copolymer.
4. the preparation method of fast ceramic cable material of polyolefin according to claim 1, it is characterised in that: the Malaysia
Anhydride grafted lldpe grafting rate is 0.5 ~ 1.5%.
5. the preparation method of fast ceramic cable material of polyolefin according to claim 1, it is characterised in that: the antioxygen
Agent is at least one of antioxidant 1010, antioxidant 300, irgasfos 168, antioxidant ST-252.
6. the preparation method of fast ceramic cable material of polyolefin according to claim 1, it is characterised in that: the lubrication
Agent is at least one of polyethylene wax, paraffinic mineral oil, dimethyl silicone polymer, zinc stearate.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112300480A (en) * | 2020-11-17 | 2021-02-02 | 苏州亨利通信材料有限公司 | Ceramic polyolefin and preparation method thereof |
| CN116178978A (en) * | 2023-02-22 | 2023-05-30 | 上海华山家具有限公司 | Cabinet board and preparation process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300480A (en) * | 2020-11-17 | 2021-02-02 | 苏州亨利通信材料有限公司 | Ceramic polyolefin and preparation method thereof |
| CN116178978A (en) * | 2023-02-22 | 2023-05-30 | 上海华山家具有限公司 | Cabinet board and preparation process thereof |
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