CN109651729A - A kind of low-smoke low-halogen polyvinyl chloride insulation material and preparation method thereof - Google Patents
A kind of low-smoke low-halogen polyvinyl chloride insulation material and preparation method thereof Download PDFInfo
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- CN109651729A CN109651729A CN201811468236.2A CN201811468236A CN109651729A CN 109651729 A CN109651729 A CN 109651729A CN 201811468236 A CN201811468236 A CN 201811468236A CN 109651729 A CN109651729 A CN 109651729A
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
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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
- C08K3/2279—Oxides; Hydroxides of metals of antimony
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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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
- C08K3/38—Boron-containing compounds
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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- 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
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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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
Abstract
The present invention relates to a kind of wire and cable manufacturing fields, specifically a kind of low-smoke low-halogen polyvinyl chloride insulation material, Insulation Material is made of polyvinyl chloride resin, auxiliary agent, plasticizer and additive, wherein auxiliary agent includes calcinated argil, stabilizer, magnesium hydroxide, zinc borate, lubricant, antimony oxide and antioxidant, additive includes nanometer calcium and coarse whiting, and each ingredient is formed according to following parts by weight: polyvinyl chloride resin: 42-52 parts；Auxiliary agent: 2.5-6 parts of calcinated argil, 2-5 parts of stabilizer, 3-6 parts of magnesium hydroxide, 1.5-3.5 parts of zinc borate, 0.1-0.3 parts of lubricant, 0.7-1.1 parts of antimony oxide, 0.05-0.22 parts of antioxidant；Plasticizer: 21-28.5 parts；Additive: 8.5-12 parts of nanometer calcium, 0.5-1.3 parts of coarse whiting, material reaches the balance of mechanical performance, electrical property, flame retardant property, smoke amount by the hybrid process of each component, improve the indices of the material, penetrating odor is few when burning, smoke amount is small, the electrical property and mechanical performance of product are more than requirements of the national standard, and the present invention is manufactured simple, practical, easy to use and promoted.
Description
Technical field
The present invention relates to a kind of wire and cable manufacturing field, specifically a kind of low-smoke low-halogen polyvinyl chloride insulation material and its system
Preparation Method.
Background technique
Polyvinyl chloride is one of five big general-purpose plastics, is widely used in building, automobile, rail traffic, cable, daily necessities
Etc., and domestic 90% or more wire and cable at present is using pvc material, but the material has corrosivity, stimulation
Property smell simultaneously environmental-protecting performance it is poor.
For wire and cable insulation and sheath material in must be added to a large amount of plasticizer, cause burning when smoke amount
Greatly, corrosion resistance does not reach requirement.
Although and low smoke, zero halogen polyolefine material Halogen performance is good, smoke amount is low, there is also material is more crisp, while adding
Speed is slow during work, and discharge unstable, the characteristic of poor mobile performance.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of low-smoke low-halogen polyvinyl chloride insulation material and preparation method thereof
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of low-smoke low-halogen polyvinyl chloride insulation material, Insulation Material are made of polyvinyl chloride resin, auxiliary agent, plasticizer and additive,
Middle auxiliary agent includes calcinated argil, stabilizer, magnesium hydroxide, zinc borate, lubricant, antimony oxide and antioxidant, additive packet
Nanometer calcium and coarse whiting are included, each ingredient is formed according to following parts by weight: polyvinyl chloride resin: 42-52 parts；Auxiliary agent: 2.5-6 parts of calcinated argil,
2-5 parts of stabilizer, 3-6 parts of magnesium hydroxide, 1.5-3.5 parts of zinc borate, 0.1-0.3 parts of lubricant, antimony oxide 0.7-1.1
Part, 0.05-0.22 parts of antioxidant；Plasticizer: 21-28.5 parts；Additive: 8.5-12 parts of nanometer calcium, 0.5-1.3 parts of coarse whiting.
As a further solution of the present invention: the parts by weight of each ingredient of Insulation Material are as follows: 46-50 parts of polyvinyl chloride resin, calcining pottery
4-5 parts native, 3-4 parts of stabilizer, 4-5 parts of magnesium hydroxide, 2-2.8 parts of zinc borate, 0.18-0.26 parts of lubricant, antimony oxide
0.8-1 parts, 0.08-0.18 parts of antioxidant, 23-26 parts of plasticizer, 9-10.5 parts of nanometer calcium, 0.6-0.85 parts of coarse whiting.
As further scheme of the invention: the parts by weight of each ingredient of Insulation Material are as follows: 48.75 parts of polyvinyl chloride resin, calcining
4.78 parts of clay, 3.83 parts of stabilizer, 4.78 parts of magnesium hydroxide, 2.39 parts of zinc borate, 0.24 part of lubricant, antimony oxide
0.96 part, 0.14 part of antioxidant, 24.88 parts of plasticizer, 9.57 parts of nanometer calcium, 0.72 part of coarse whiting.
As further scheme of the invention: the plasticizer is trioctyl trimellitate (TOTM).
It is another object of the present invention to, propose a kind of preparation method of low-smoke low-halogen polyvinyl chloride insulation material, including
Following steps:
1, by auxiliary agent: calcinated argil, stabilizer, magnesium hydroxide, zinc borate, lubricant, antimony oxide, antioxidant are by matching
Fang Zufen carries out weighing preparation；
2, preheating mixing tank carries out mechanical mixture to polyvinyl chloride resin and plasticizer is sequentially added after 50 DEG C；
3, auxiliary agent is added in mixing tank, is added additive after mixing again, stopping when heating is mixed to 100-110 DEG C；
4, the powder mixed is transported to dual-screw pelletizer feed bin and is cooled to 50 DEG C for use by opening mixing tank hatch door；
5, by mix and be cooled to 50 degrees Celsius powder investment pelletizer in, be preheated to temperature stablize after, successively open
Cyclone ducts, vibrating screen, pelleter, subsidiary engine, host, feeder；
6, it after the jelly of machine falls into subsidiary engine on pelletizer, squeezes out strip and is cut into cylindrical shape, complete to be granulated.
Compared with prior art, the beneficial effects of the present invention are: material reaches mechanicalness by the hybrid process of each component
Energy, electrical property, flame retardant property, the balance of smoke amount, improve the indices of the material, and when processing is high-efficient, using biography
Equipment of uniting production is stablized, and penetrating odor is few when burning, and smoke amount is small, and the electrical property and mechanical performance of product are wanted more than national standard
It asks, the present invention is manufactured simple, practical, easy to use and promoted.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1:
Auxiliary agent is first pressed into 2.5 parts of calcinated argil, 2 parts of stabilizer, 3 parts of magnesium hydroxide, 1.5 parts of zinc borate, lubricant 0.1
Part, 0.7 part of antimony oxide, 0.05 part of antioxidant carry out weighing preparation；Mixing tank is preheated to 10.5 parts of PVC trees of addition after 50 DEG C
Rouge adds 10.5 parts of plasticizer, adds 31.5 parts of polyvinyl chloride resins and 10.5 parts of plasticizer are mixed, 500 revs/min into
Row mixing 5 minutes or so, is added auxiliary agent, remixes and 8.5 parts and 0.5 part of coarse whiting of nanometer calcium are added after five minutes, mix to 100-
Stop at 110 DEG C, the powder mixed is transported to dual-screw pelletizer feed bin and is cooled to 50 DEG C for use by opening hatch door, and 96 types are made
Temperature is arranged in each area of grain machine host are as follows: 135 DEG C, 140 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 160 DEG C, 155 DEG C, subsidiary engine
Be arranged temperature are as follows: 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C, preheat 2 hours, until temperature stablize after, successively open cyclone ducts,
Feeding electric current is added to 20A, host electric current 230A by vibrating screen, pelleter, subsidiary engine, host, feeder, and 200 turns of revolution, band is main
Stablize the parameters such as revolution electric current after the bright and clean exquisiteness of the jelly that machine discharge port comes out, after the jelly of upper machine falls into subsidiary engine, squeezes out
Strip is simultaneously cut into cylindrical shape, carries out refining glue 15 minutes with the machine of beginning to pratise, 200mm*200mm*1mm and 200mm*200mm* is made
The sample of 3m is spare.
Embodiment 2:
First by auxiliary agent by 6 parts of calcinated argil, 5 parts of stabilizer, 6 parts of magnesium hydroxide, 3.5 parts of zinc borate, 0.3 part of lubricant,
1.1 parts of antimony oxide, 0.22 part of antioxidant carry out weighing preparation；Mixing tank is preheated to 13 parts of PVC resins are added after 50 DEG C,
14.25 parts of plasticizer are added, 39 parts of polyvinyl chloride resins is added and 14.25 parts of plasticizer is mixed, 500 revs/min of progress
Auxiliary agent is added in mixing 5 minutes or so, remixes and 12 parts and 1.3 parts of coarse whiting of nanometer calcium are added after five minutes, mix to 100-110 DEG C
When stop, opening hatch door the powder mixed be transported to dual-screw pelletizer feed bin and be cooled to 50 DEG C of stand-by, 96 type pelletizers
Temperature is arranged in each area of host are as follows: 135 DEG C, 140 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 160 DEG C, 155 DEG C, subsidiary engine setting
Temperature are as follows: 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C preheat 2 hours, until successively opening cyclone ducts, vibration after temperature is stablized
Feeding electric current is added to 20A, host electric current 230A by sieve, pelleter, subsidiary engine, host, feeder, and 200 turns of revolution, band host goes out
Stablize the parameters such as revolution electric current after the bright and clean exquisiteness of the jelly that material mouth comes out, after the jelly of upper machine falls into subsidiary engine, squeezes out strip
And it is cut into cylindrical shape, refining glue is carried out 15 minutes with the machine of beginning to pratise, and is made 200mm*200mm*1mm's and 200mm*200mm*3m
Sample is spare.
Embodiment 3:
Auxiliary agent is first pressed into 4 parts of calcinated argil, 3 parts of stabilizer, 4 parts of magnesium hydroxide, 2 parts of zinc borate, 0.18 part of lubricant, three
Aoxidize 0.8 part of two antimony, 0.08 part of antioxidant carry out weighing preparation；Mixing tank is preheated to 11.5 parts of PVC resins are added after 50 DEG C,
11.5 parts of plasticizer are added, 34.5 parts of polyvinyl chloride resins is added and 11.5 parts of plasticizer is mixed, 500 revs/min of progress
Auxiliary agent is added in mixing 5 minutes or so, remixes and 9 parts and 0.6 part of coarse whiting of nanometer calcium are added after five minutes, mix to 100-110 DEG C
When stop, opening hatch door the powder mixed be transported to dual-screw pelletizer feed bin and be cooled to 50 DEG C of stand-by, 96 type pelletizers
Temperature is arranged in each area of host are as follows: 135 DEG C, 140 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 160 DEG C, 155 DEG C, subsidiary engine setting
Temperature are as follows: 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C preheat 2 hours, until successively opening cyclone ducts, vibration after temperature is stablized
Feeding electric current is added to 20A, host electric current 230A by sieve, pelleter, subsidiary engine, host, feeder, and 200 turns of revolution, band host goes out
Stablize the parameters such as revolution electric current after the bright and clean exquisiteness of the jelly that material mouth comes out, after the jelly of upper machine falls into subsidiary engine, squeezes out strip
And it is cut into cylindrical shape, refining glue is carried out 15 minutes with the machine of beginning to pratise, and is made 200mm*200mm*1mm's and 200mm*200mm*3m
Sample is spare.
Embodiment 4:
Auxiliary agent is first pressed into 5 parts of calcinated argil, 4 parts of stabilizer, 5 parts of magnesium hydroxide, 2.8 parts of zinc borate, lubricant 0.26
Part, 0.8 part of antimony oxide, 0.18 part of antioxidant carry out weighing preparation；Mixing tank is preheated to 12.5 parts of PVC of addition after 50 DEG C
Resin adds 13 parts of plasticizer, adds 37.5 parts of polyvinyl chloride resins and 13 parts of plasticizer are mixed, 500 revs/min of progress
Auxiliary agent is added in mixing 5 minutes or so, remixes and 10.5 parts and 0.85 part of coarse whiting of nanometer calcium are added after five minutes, mix to 100-
Stop at 110 DEG C, the powder mixed is transported to dual-screw pelletizer feed bin and is cooled to 50 DEG C of stand-by, 96 types by opening hatch door
It is granulated each area of machine host and temperature is set are as follows: 135 DEG C, 140 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 160 DEG C, 155 DEG C, it is auxiliary
Temperature is arranged in machine are as follows: 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C preheat 2 hours, until successively opening tornadotron after temperature is stablized
Feeding electric current is added to 20A, host electric current 230A by road, vibrating screen, pelleter, subsidiary engine, host, feeder, and 200 turns of revolution, band
Stablize the parameters such as revolution electric current after the bright and clean exquisiteness of the jelly that host discharge port comes out, after the jelly of upper machine falls into subsidiary engine, squeezes
Strip and it is cut into cylindrical shape out, carries out refining glue 15 minutes with the machine of beginning to pratise, 200mm*200mm*1mm and 200mm* is made
The sample of 200mm*3m is spare.
Embodiment 5:
First by auxiliary agent by 4.78 parts of calcinated argil, 3.83 parts of stabilizer, 4.78 parts of magnesium hydroxide, 2.39 parts of zinc borate, profit
0.24 part of lubrication prescription, 0.96 part of antimony oxide, 0.14 part of antioxidant carry out weighing preparation；Preheating mixing tank is to being added after 50 DEG C
12.19 parts of polyvinyl chloride resins add 12.44 parts of plasticizer, add 36.56 parts of polyvinyl chloride resins and 12.44 parts of plasticizer are mixed
It closes, 500 revs/min carry out mixing 5 minutes or so, and auxiliary agent is added, and remix and 9.57 parts of nanometer calcium and coarse whiting are added after five minutes
0.72 part, stopping when mixing to 100-110 DEG C, opening hatch door, that the powder mixed is transported to dual-screw pelletizer feed bin is cooling
Stand-by to 50 DEG C, 96 types are granulated each area of machine host and temperature are arranged are as follows: 135 DEG C, 140 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C,
Temperature is arranged in 160 DEG C, 155 DEG C, subsidiary engine are as follows: and 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C preheat 2 hours, until after temperature is stablized,
Cyclone ducts, vibrating screen, pelleter, subsidiary engine, host, feeder are successively opened, feeding electric current is added to 20A, host electric current
230A, 200 turns of revolution, the jelly come out with host discharge port it is bright and clean it is fine and smooth after stablize the parameters such as revolution electric current, the glue of upper machine
After shape object falls into subsidiary engine, squeezes out strip and be cut into cylindrical shape, carry out refining glue 15 minutes with the machine of beginning to pratise, 200mm*200mm* is made
The sample of 1mm and 200mm*200mm*3m is spare.
Comparative example 1:
Auxiliary agent is first pressed into 4.78 parts of calcinated argil, 3.83 parts of stabilizer, 2.39 parts of zinc borate, 0.24 part of lubricant, three oxygen
Change 0.96 part of two antimony, 0.14 part of antioxidant carry out weighing preparation；Mixing tank is preheated to 12.19 parts of polyvinyl chloride resins are added after 50 DEG C, then
12.44 parts of plasticizer are added, adds 36.56 parts of polyvinyl chloride resins and 12.44 parts of plasticizer is mixed, 500 revs/min of progress
Auxiliary agent is added in mixing 5 minutes or so, remixes and 9.57 parts and 0.72 part of coarse whiting of nanometer calcium are added after five minutes, mix to 100-
Stop at 110 DEG C, the powder mixed is transported to dual-screw pelletizer feed bin and is cooled to 50 DEG C of stand-by, 96 types by opening hatch door
It is granulated each area of machine host and temperature is set are as follows: 135 DEG C, 140 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 160 DEG C, 155 DEG C, it is auxiliary
Temperature is arranged in machine are as follows: 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C preheat 2 hours, until successively opening tornadotron after temperature is stablized
Feeding electric current is added to 20A, host electric current 230A by road, vibrating screen, pelleter, subsidiary engine, host, feeder, and 200 turns of revolution, band
Stablize the parameters such as revolution electric current after the bright and clean exquisiteness of the jelly that host discharge port comes out, after the jelly of upper machine falls into subsidiary engine, squeezes
Strip and it is cut into cylindrical shape out, carries out refining glue 15 minutes with the machine of beginning to pratise, 200mm*200mm*1mm and 200mm* is made
The sample of 200mm*3m is spare.
Comparative example 2:
Auxiliary agent is first pressed into 4.78 parts of calcinated argil, 3.83 parts of stabilizer, 4.78 parts of magnesium hydroxide, 0.24 part of lubricant, three
Aoxidize 0.96 part of two antimony, 0.14 part of antioxidant carry out weighing preparation；Mixing tank is preheated to 12.19 parts of PVC trees of addition after 50 DEG C
Rouge adds 12.44 parts of plasticizer, adds 36.56 parts of polyvinyl chloride resins and 12.44 parts of plasticizer are mixed, and 500 revs/min
Clock carries out mixing 5 minutes or so, and auxiliary agent is added, and remixes and 9.57 parts and 0.72 part of coarse whiting of nanometer calcium are added after five minutes, mixing
Stop when to 100-110 DEG C, open hatch door by the powder mixed be transported to dual-screw pelletizer feed bin be cooled to 50 DEG C to
Be granulated each area of machine host with, 96 types and temperature be set are as follows: 135 DEG C, 140 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 160 DEG C,
155 DEG C, temperature is arranged in subsidiary engine are as follows: 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C preheat 2 hours, until successively opening after temperature is stablized
Cyclone ducts, vibrating screen, pelleter, subsidiary engine, host, feeder are opened, feeding electric current is added to 20A, host electric current 230A, revolution
200 turns, the jelly come out with host discharge port it is bright and clean it is fine and smooth after stablize parameters, the jellies of upper machine such as revolution electric current and fall into auxiliary
After machine, squeeze out strip simultaneously be cut into cylindrical shape, carries out refining glue 15 minutes with the machine of beginning to pratise, be made 200mm*200mm*1mm with
The sample of 200mm*200mm*3m is spare.
Comparative example 3:
First by auxiliary agent by 4.78 parts of calcinated argil, 3.83 parts of stabilizer, 0.24 part of lubricant, 0.96 part of antimony oxide,
0.14 part of antioxidant carries out weighing preparation；Mixing tank is preheated to 12.19 parts of polyvinyl chloride resins of addition after 50 DEG C, adds 12.44 parts
Plasticizer, adds 36.56 parts of polyvinyl chloride resins and 12.44 parts of plasticizer are mixed, and 500 revs/min carry out 5 minutes left sides of mixing
Auxiliary agent is added in the right side, remixes and 9.57 parts of nanometer calcium and 0.72 part of coarse whiting are added after five minutes, stopping when mixing to 100-110 DEG C,
The powder mixed is transported to dual-screw pelletizer feed bin and is cooled to 50 DEG C of stand-by, 96 types granulation each areas of machine host by opening hatch door
Temperature is set are as follows: temperature is arranged in 135 DEG C, 140 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 160 DEG C, 155 DEG C, subsidiary engine are as follows: 125
DEG C, 130 DEG C, 135 DEG C, 140 DEG C, preheat 2 hours, until temperature stablize after, successively open cyclone ducts, vibrating screen, pelleter,
Feeding electric current is added to 20A, host electric current 230A, 200 turns of revolution, come out with host discharge port by subsidiary engine, host, feeder
Stablize the parameters such as revolution electric current after the bright and clean exquisiteness of jelly, after the jelly of upper machine falls into subsidiary engine, squeezes out strip and be simultaneously cut into cylinder
Body shape carries out refining glue 15 minutes with the machine of beginning to pratise, and the sample that 200mm*200mm*1mm and 200mm*200mm*3m is made is spare.
Each embodiment and comparative example sample being prepared carries out measuring mechanical property, combustion testing and volume resistance respectively
Test, specific detection structure are shown in Tables 1 and 2:
1 embodiment test performance table of table
2 comparative example test performance table of table
The hair of magnesium hydroxide and zinc borate when inhibiting material in burning can be significantly obtained from embodiment and comparative example
Smoke and enhancing flame retardant property have remarkable effect, and can achieve the balance of mechanical performance, electrical property, flame retardant property, smoke amount,
Improve the indices of the material, when processing, is high-efficient, is produced and is stablized using traditional equipment, and speed reaches 200 meters/min,
Penetrating odor is few when burning, and smoke amount is small, and is no longer a large amount of black smoke, based on white cigarette, the electrical property and machinery of product
Performance is more than requirements of the national standard.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of low-smoke low-halogen polyvinyl chloride insulation material, which is characterized in that Insulation Material is by polyvinyl chloride resin, auxiliary agent, plasticizer and addition
Agent is constituted, and wherein auxiliary agent includes calcinated argil, stabilizer, magnesium hydroxide, zinc borate, lubricant, antimony oxide and antioxidant,
Additive includes nanometer calcium and coarse whiting, and each ingredient is formed according to following parts by weight:
Polyvinyl chloride resin: 42-52 parts；
Auxiliary agent: 2.5-6 parts of calcinated argil, 2-5 parts of stabilizer, 3-6 parts of magnesium hydroxide, 1.5-3.5 parts of zinc borate, lubricant 0.1-
0.3 part, 0.7-1.1 parts of antimony oxide, 0.05-0.22 parts of antioxidant；
Plasticizer: 21-28.5 parts；
Additive: 8.5-12 parts of nanometer calcium, 0.5-1.3 parts of coarse whiting.
2. low-smoke low-halogen polyvinyl chloride insulation material according to claim 1, which is characterized in that the weight of each ingredient of Insulation Material
Measure part are as follows: 46-50 parts of polyvinyl chloride resin, 4-5 parts of calcinated argil, 3-4 parts of stabilizer, 4-5 parts of magnesium hydroxide, 2-2.8 parts of zinc borate,
0.18-0.26 parts of lubricant, 0.8-1 parts of antimony oxide, 0.08-0.18 parts of antioxidant, 23-26 parts of plasticizer, nanometer calcium 9-
10.5 parts, 0.6-0.85 parts of coarse whiting.
3. low-smoke low-halogen polyvinyl chloride insulation material according to claim 1, which is characterized in that the weight of each ingredient of Insulation Material
Measure part are as follows: 48.75 parts of polyvinyl chloride resin, 4.78 parts of calcinated argil, 3.83 parts of stabilizer, 4.78 parts of magnesium hydroxide, zinc borate 2.39
Part, 0.24 part of lubricant, 0.96 part of antimony oxide, 0.14 part of antioxidant, 24.88 parts of plasticizer, 9.57 parts of nanometer calcium, coarse whiting
0.72 part.
4. low-smoke low-halogen polyvinyl chloride insulation material according to claim 1, which is characterized in that the plasticizer is inclined benzene three
Sour three monooctyl esters.
5. a kind of preparation method of the low-smoke low-halogen polyvinyl chloride insulation material as described in claim 1-4 is any, which is characterized in that
The following steps are included:
(1) by auxiliary agent: calcinated argil, stabilizer, magnesium hydroxide, zinc borate, lubricant, antimony oxide, antioxidant are by formula
Component carries out weighing preparation；
(2) preheating mixing tank carries out mechanical mixture to polyvinyl chloride resin and plasticizer is sequentially added after 50 DEG C；
(3) auxiliary agent is added in mixing tank, is added additive after mixing again, stopping when heating is mixed to 100-110 DEG C；
(4) powder mixed is transported to dual-screw pelletizer feed bin and is cooled to 50 DEG C for use by opening mixing tank hatch door；
(5) by mix and be cooled to 50 degrees Celsius powder investment pelletizer in, be preheated to temperature stablize after, successively open whirlwind
Pipeline, vibrating screen, pelleter, subsidiary engine, host, feeder；
(6) it after the jelly of machine falls into subsidiary engine on pelletizer, squeezes out strip and is cut into cylindrical shape, complete to be granulated.
6. the preparation method of low-smoke low-halogen polyvinyl chloride insulation material according to claim 5, which is characterized in that the step
(2) 500 revs/min used, the mechanical mixture for continuing 5 minutes.
7. the preparation method of low-smoke low-halogen polyvinyl chloride insulation material according to claim 5, which is characterized in that the step
(5) the 96 type pelletizer of pelletizer model used.
8. the preparation method of low-smoke low-halogen polyvinyl chloride insulation material according to claim 7, which is characterized in that 96 type
It is granulated each area of machine host and temperature is set are as follows: 135 DEG C, 140 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 160 DEG C, 155 DEG C, subsidiary engine
Temperature is set are as follows: 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C.
9. the preparation method of low-smoke low-halogen polyvinyl chloride insulation material according to claim 5, which is characterized in that the step
(5) feeder operating current is 20A in, and granulation machine host electric current is 230A, and revolving speed is 200 revs/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110483920A (en) * | 2019-09-11 | 2019-11-22 | 江苏枫润线缆材料有限公司 | A kind of environment-friendly cable Insulation Material and preparation method thereof |
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| CN110483920A (en) * | 2019-09-11 | 2019-11-22 | 江苏枫润线缆材料有限公司 | A kind of environment-friendly cable Insulation Material and preparation method thereof |
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