CN104672692A - Polyethylene foamed master batch and preparation method thereof - Google Patents
Polyethylene foamed master batch and preparation method thereof Download PDFInfo
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- CN104672692A CN104672692A CN201310630167.1A CN201310630167A CN104672692A CN 104672692 A CN104672692 A CN 104672692A CN 201310630167 A CN201310630167 A CN 201310630167A CN 104672692 A CN104672692 A CN 104672692A
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- 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
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- 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
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
-
- 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
- C08K5/13—Phenols; Phenolates
-
- 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
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use 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; Derivatives of such polymers
- C08J2427/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
-
- 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
-
- 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
Abstract
The invention discloses a polyethylene foamed master batch. The polyethylene foamed master batch comprises the following components in parts by weight: 40-60 parts of polyvinyl chloride, 20-30% of a plasticizer, 15-25 parts of a filler, 2-5 parts of a stabilizer, 0.05-1 part of an antioxidant, 0.5-1.5 parts of a lubricant and 1-2 parts of a foaming agent. A preparation method for the polyethylene foamed master batch comprises the following steps: mixing and discharging the composition through a high-speed mixer; and extruding and pelletizing in a screw extruder to obtain the polyethylene foamed master batch. The polyethylene foamed master batch disclosed by the invention and a polyvinyl chloride cable are mixed in a ratio of (1-40) to (99-60) and then extruded to prepare a cable. The material usage amount can be effectively reduced and the production cost can be reduced.
Description
Technical field
The present invention relates to a kind of foaming concentrate and preparation method thereof, particularly relate to a kind of foam polyvinyl chloride masterbatch and preparation method thereof and application.
Technical background
Polyvinyl chloride (PVC) is one of five large general-purpose plastics, has stable physicochemical property, water insoluble, alcohol, gasoline etc.; There is certain resistance to chemical corrosion, can hydrochloric acid, less than 90% sulfuric acid, less than 20% caustic soda soln of resistance to any concentration under normal temperature; In addition, fire-retardant, physical strength and the good advantage of electrical insulating property is also possessed.At present, PVC has been widely used in the fields such as electric wire, wrapping material, articles for daily use.
Along with the development of modern science and technology, there is higher requirement to the diversified development of PVC material and over-all properties.Since PVC porous plastics comes out, because it not only has the advantage being much similar to natural timber, also have good flame resistance, the not easily moisture absorption, thermal conductivity is low, heat insulation performance good, opposing pest attacks ability is strong etc. a little, it has had stable market in the whole world.In prior art, the general method by physics or chemistry introduces a large amount of micro bubbles in polymer materials inside, material behavior can be significantly improved, or the brand-new characteristic that imparting original copolymer material does not have, this has become one of important directions of present polymer developing material application.Adopt physical blowing method, need special operated implement and utility appliance, technical difficulty is large, and increases cost; Chemical blowing process is adopted to carry out expanded plastic complete processing identical with general technology.
But for being applied to the polyvinyl-chloride foam material of different field, there is different requirements to the stuctures and properties of polyvinyl-chloride foam material.
Summary of the invention
The object of the invention is to for above-mentioned Problems existing, propose a kind of electric wire foam polyvinyl chloride masterbatch and preparation method thereof.
To achieve these goals and other objects, present invention employs following technical scheme:
The invention discloses a kind of foam polyvinyl chloride masterbatch, comprise the component of following weight part:
Preferably, PVC resin polymerization degree described above is 600-3000.
More preferably, the described polyvinyl resin polymerization degree is 800-1500.
Preferably, described softening agent be selected from dioctyl terephthalate (DOTP), dioctyl phthalate (DOP) (DOP), dibutyl phthalate (DBP) and Octyl adipate (DOA) one or more.
Preferably, described weighting agent is selected from one or more in Calcium carbonate weighting agent, potter's clay and polynite.
Preferably, described stablizer be selected from lead salts, organic tin, metal soap and calcium/zinc complex class one or more; Preferably, described stablizer is environment-friendly calcium/zinc stabilizer.
Preferably, described oxidation inhibitor be selected from Hinered phenols one or more; More preferably, described antioxidant is dihydroxyphenyl propane.
Preferably, described lubricant is selected from one or more in calcium stearate, stearic acid and polyethylene wax.
More preferably, described lubricant adopts the compound system of calcium stearate, stearic acid, polyethylene wax.
Preferably, described whipping agent is selected from one or more in Cellmic C 121 and Diisopropyl azodicarboxylate.
More preferably, described whipping agent is Cellmic C 121.
The invention also discloses the preparation method of foam polyvinyl chloride masterbatch described above, comprise the following steps:
1) each component of foaming concentrate is put into high-speed mixer uniform discharge according to proportioning
2) each component mixed is put into screw extrusion press extruding pelletization, the rotating speed of screw extrusion press is 20-80 rev/min, and temperature is 120-150 DEG C.
Preferably, above-mentioned steps 2) in each district temperature of screw extrusion press be: machine barrel one district 120-130 DEG C, machine barrel two district 130-140 DEG C, machine barrel three district 140-150 DEG C, machine barrel four district 140-150 DEG C, machine barrel five district 140-150 DEG C, head and mould 140-150 DEG C.
The invention also discloses the purposes of foam polyvinyl chloride master batch processing electric wire foamable composite described above, in described electric wire foamable composite, in the total mass of described electric wire foamable composite, described foam polyvinyl chloride masterbatch accounts for 1-40wt%, and surplus is polyvinyl chloride cable material.
Particularly, described foam polyvinyl chloride masterbatch is that described foam polyvinyl chloride masterbatch is mixed obtained described electric wire foamable composite with electric wire pvc material preparing the method in electric wire foamable composite.
Preferably, in the total mass of described electric wire foamable composite, the mass percentage of described foam polyvinyl chloride masterbatch is 5-10%.
The present invention is base-material with polyvinyl chloride, adds the auxiliary agents such as softening agent, weighting agent, stablizer, oxidation inhibitor, lubricant, whipping agent, produces multi-purpose foam polyvinyl chloride masterbatch by screw extrusion press; Foam polyvinyl chloride masterbatch excellent performance, can be applicable to prepare low density polyvinyl-chloride wire cable insulating material, sheath material or other expanded plastics.
Compared with the existing technology, the present invention has following outstanding advantage:
1. the PVC foam masterbatch outward appearance of the present invention's production is fine and close, smooth finish is good, can directly apply to the preparation of PVC foam plastics, and the condition of complete processing is simple, stable.
2. in the formulating of recipe of PVC foam masterbatch, preferred environment-friendly calcium/zinc composite stabilizer, lubricant adopts calcium stearate, stearic acid, polyethylene wax, the stability of masterbatch can be strengthened, the fluidity of molten of effective raising masterbatch in the course of processing, thus guarantee the dispersion of masterbatch in base-material and compatible, reach better foaming effect.
3. adopt foaming concentrate to prepare PVC foam plastics, effectively can avoid directly adding whipping agent in polymeric matrix, disperse uneven problem, the uniform foam cell of foamable polymer is fine and close, avoids abscess collapse phenomenon.
4. the density adding the PVC foam CABLE MATERIALS of PVC foam master batch processing can reach 1.250g/cm
3below, far below common PVC CABLE MATERIALS 1.350-1.450g/cm
3density range, can effectively save social resources, reduce cost.Meanwhile, the properties such as PVC foam CABLE MATERIALS physics, machinery, chemical stability are excellent, reach domestic and international product standard, meet market demands.
Embodiment
Below by way of specific specific examples, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification sheets also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
Embodiment 1:
The preparation method of foam polyvinyl chloride masterbatch in the present embodiment, comprises the following steps:
(1) get the raw materials ready according to component listed by embodiment in table 11 and content;
(2) above-mentioned raw materials is put into high-speed mixer, high speed 2000rpm mixing about 8 minutes;
(3) low speed 500rpm discharging;
(4) raw material mixed is put into screw machine extruding pelletization, the rotating speed of forcing machine is 80 revs/min, and temperature is 120-150 DEG C, obtained foam polyvinyl chloride masterbatch.
The foam polyvinyl chloride masterbatch obtained to embodiment 1 carries out performance test, and its result is as shown in table 2.
The formula table of table 1. embodiment 1 (unit: kilogram)
| Project | Embodiment 1 |
| Polyvinyl chloride | 100 |
| Plasticizer DOTP | 55 |
| Weighting agent calcium carbonate | 40 |
| Stablizer CZ200 | 4 |
| Oxidation inhibitor dihydroxyphenyl propane | 0.1 |
| Lubricant stearic acid calcium | 0.5 |
| Lubricant stearic acid | 0.1 |
| Whipping agent Cellmic C 121 | 5 |
| Add up to | 204.7 |
In table 1: the polymerization degree of polyvinyl chloride is 1000;
The performance of foam polyvinyl chloride masterbatch prepared by table 2. embodiment 1
| Project | Embodiment 1 |
| Tensile strength (MPa) | 15.0 |
| Elongation at break (%) | 200 |
| Volume specific resistance (Ω m) when 20 DEG C | 5.4×10 11 |
| Density (g/cm 3） | 1.386 |
| Heat-stable time (min) when 200 DEG C | 250 |
In table 2, projects used test batten compressing tablet 150 DEG C time obtains, and other test detail is as follows:
The mensuration of tensile strength is carried out according to the regulation of GB/T1040.3-2006, and draw speed is 250mm/min.
The mensuration of elongation at break is carried out according to the regulation of GB/T1040.3-2006, and draw speed is 250mm/min.
When 20 DEG C, the mensuration of volume specific resistance is carried out according to the regulation of GB/T1410-2006, and trial voltage is 1000V.
The mensuration of density is carried out according to the regulation of A method-pickling process in GB/T1033-1986.
When 200 DEG C, the mensuration of heat-stable time is carried out according to the regulation of GB/T8815-2008.
Embodiment 2
The preparation method of foam polyvinyl chloride masterbatch in the present embodiment, comprises the following steps:
(1) get the raw materials ready according to component listed by embodiment in table 32 and content;
(2) above-mentioned raw materials is put into high-speed mixer, high speed 3000rpm mixing about 6 minutes;
(3) low speed 800rpm discharging;
(4) raw material mixed is put into screw machine extruding pelletization, the rotating speed of forcing machine is 60 revs/min, and temperature is 120-150 DEG C, obtained foam polyvinyl chloride masterbatch.
Embodiment 3
The preparation method of foam polyvinyl chloride masterbatch in the present embodiment, comprises the following steps:
(1) get the raw materials ready according to component listed by embodiment in table 33 and content;
(2) above-mentioned raw materials is put into high-speed mixer, high speed 3000rpm mixing about 6 minutes;
(3) low speed 800rpm discharging;
(4) raw material mixed is put into screw machine extruding pelletization, the rotating speed of forcing machine is 60 revs/min, and temperature is 130 DEG C, obtained foam polyvinyl chloride masterbatch.
The formula table of table 3. embodiment 2-5 (unit: kilogram)
| Project | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Polyvinyl chloride | 40 | 45 | 55 | 60 |
| Plasticizer DOTP | 20 | 23 | 25 | 30 |
| Weighting agent calcium carbonate | 20 | 15 | 25 | 20 |
| Stablizer CZ200 | 4 | 5 | 2 | 3 |
| Oxidation inhibitor dihydroxyphenyl propane | 0.1 | 0.05 | 1 | 1 |
| Lubricant stearic acid calcium | 0.5 | 0.5 | 1 | 0.05 |
| Lubricant stearic acid | / | 0.1 | / | 0.05 |
| Lubricant PE wax | / | 0.1 | / | 0.05 |
| Blowing agent AC | 10 | 10 | 0.2 | 5 |
Embodiment 4
The preparation method of foam polyvinyl chloride masterbatch in the present embodiment, comprises the following steps:
(1) get the raw materials ready according to component listed by embodiment in table 34 and content;
(2) above-mentioned raw materials is put into high-speed mixer, high speed 1200rpm mixing about 5 minutes;
(3) low speed 500rpm discharging;
(4) raw material mixed is put into screw machine extruding pelletization, the rotating speed of forcing machine is 20 revs/min, and temperature is 120-150 DEG C, obtained foam polyvinyl chloride masterbatch.
Embodiment 5
The preparation method of foam polyvinyl chloride masterbatch in the present embodiment, comprises the following steps:
(1) get the raw materials ready according to component listed by embodiment in table 35 and content;
(2) above-mentioned raw materials is put into high-speed mixer, high speed 1200rpm mixing about 5 minutes;
(3) low speed 500rpm discharging;
(4) raw material mixed is put into screw machine extruding pelletization, the rotating speed of forcing machine is 20 revs/min, and temperature is 120-150 DEG C, obtained foam polyvinyl chloride masterbatch.
Embodiment 6
70 DEG C of PVC sheath material that the trade mark using the foam polyvinyl chloride masterbatch in the present invention obtained by embodiment 1 and Shanghai Kaibo Special Cable Material Factory Co., Ltd. to produce is CVC-7002P mix, blending ratio is 5:95, make foamable composite, in single screw extrusion machine, make real core conductor in GB/T5023.4-2008 " voltage rating 450 ∕ 750V and following polyvinyl chloride insulated cable the 4th part: permanent wiring jacketed cable " standard as sheath is 2 × 1.5mm
2the cable of specification, its performance index are as shown in table 4:
Table 4
As shown in Table 4, the standard-required of cable is all met with the property indices that 70 DEG C of PVC sheath material that the trade mark that the foaming concentrate in the above embodiment of the present invention and Shanghai Kaibo Special Cable Material Factory Co., Ltd. produce is CVC-7002P make the electric wire and cable jacket that foamable composite is made.But compare with CVC-7002P, lower after the density foaming of cable sheath, material more than 10% can be saved.
In sum, the masterbatch of foam polyvinyl chloride disclosed in the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a foam polyvinyl chloride masterbatch, comprises the component of following weight part:
2. foam polyvinyl chloride masterbatch according to claim 1, is characterized in that, described PVC resin polymerization degree is 600-3000.
3. foam polyvinyl chloride masterbatch according to claim 1, is characterized in that, described softening agent be selected from dioctyl terephthalate, dioctyl phthalate (DOP), dibutyl phthalate, Octyl adipate one or more.
4. foam polyvinyl chloride masterbatch according to claim 1, is characterized in that, described weighting agent be selected from Calcium carbonate weighting agent, potter's clay, polynite one or more.
5. foam polyvinyl chloride masterbatch according to claim 1, is characterized in that, described stablizer be selected from lead salts, organic tin, metal soap and calcium/zinc complex class one or more.
6. foam polyvinyl chloride masterbatch according to claim 1, is characterized in that, described oxidation inhibitor be selected from phosphite and Hinered phenols one or more.
7. foam polyvinyl chloride masterbatch according to claim 1, is characterized in that, described lubricant be selected from calcium stearate, stearic acid and polyethylene wax one or more.
8. foam polyvinyl chloride masterbatch according to claim 1, is characterized in that, described whipping agent be selected from Cellmic C 121 and Diisopropyl azodicarboxylate one or more.
9. the preparation method of the foam polyvinyl chloride masterbatch as described in claim as arbitrary in claim 1-8, comprises the following steps:
1) each component of foaming concentrate is put into high-speed mixer uniform discharge according to proportioning
2) each component mixed is put into screw extrusion press extruding pelletization, the rotating speed of screw extrusion press is 20-80 rev/min, and temperature is 120-150 DEG C.
10. the purposes of foam polyvinyl chloride master batch processing electric wire foamable composite as described in claim as arbitrary in claim 1-8, in described electric wire foamable composite, in the total mass of described electric wire foamable composite, described foam polyvinyl chloride masterbatch accounts for 1-40wt%, and surplus is polyvinyl chloride cable material.
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| CN201310630167.1A CN104672692A (en) | 2013-11-29 | 2013-11-29 | Polyethylene foamed master batch and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310630167.1A CN104672692A (en) | 2013-11-29 | 2013-11-29 | Polyethylene foamed master batch and preparation method thereof |
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| CN104672692A true CN104672692A (en) | 2015-06-03 |
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| CN201310630167.1A Pending CN104672692A (en) | 2013-11-29 | 2013-11-29 | Polyethylene foamed master batch and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440361A (en) * | 2015-12-25 | 2016-03-30 | 赣州金信诺电缆技术有限公司 | Foamed sheath for foamed FEP (fluorinated ethylene propylene) cables and preparation method thereof |
| CN105778336A (en) * | 2016-03-23 | 2016-07-20 | 陈逸君 | PVC (polyvinyl chloride) foam parent material and method for preparing same |
| CN108623933A (en) * | 2017-03-21 | 2018-10-09 | 洛阳尖端技术研究院 | A kind of polyvinyl chloride foam and preparation method thereof |
| WO2020155768A1 (en) * | 2019-01-31 | 2020-08-06 | 浙江省三门县东海橡胶厂 | Cold-resistant pvc master batch |
-
2013
- 2013-11-29 CN CN201310630167.1A patent/CN104672692A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440361A (en) * | 2015-12-25 | 2016-03-30 | 赣州金信诺电缆技术有限公司 | Foamed sheath for foamed FEP (fluorinated ethylene propylene) cables and preparation method thereof |
| CN105778336A (en) * | 2016-03-23 | 2016-07-20 | 陈逸君 | PVC (polyvinyl chloride) foam parent material and method for preparing same |
| CN108623933A (en) * | 2017-03-21 | 2018-10-09 | 洛阳尖端技术研究院 | A kind of polyvinyl chloride foam and preparation method thereof |
| WO2020155768A1 (en) * | 2019-01-31 | 2020-08-06 | 浙江省三门县东海橡胶厂 | Cold-resistant pvc master batch |
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Application publication date: 20150603 |