CN106633439A - Modified polypropylene cable protection pipe and forming process thereof - Google Patents
Modified polypropylene cable protection pipe and forming process thereof Download PDFInfo
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- CN106633439A CN106633439A CN201611128835.0A CN201611128835A CN106633439A CN 106633439 A CN106633439 A CN 106633439A CN 201611128835 A CN201611128835 A CN 201611128835A CN 106633439 A CN106633439 A CN 106633439A
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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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
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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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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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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- 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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
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- C08L2203/20—Applications use in electrical or conductive gadgets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract
The invention discloses a modified polypropylene cable protection pipe and a forming process thereof. The pipe is prepared from the following components in parts by weight: 100 parts of modified polypropylene, 1 to 5 parts of a tackifier, 0.5 to 5 parts of glass fiber, 1 to 5 parts of an anti-impact modifier, 1 to 5 parts of a nucleating agent, 0 to 10 parts of a filling matrix, 0.1 to 3 parts of an antioxidant, 0.1 to 3 parts of a light stabilizer and 2 to 8 parts of rubber. On the basis of modified polypropylene, the comprehensive performance of the modified polypropylene cable protection pipe can be improved by adding the components such as the tackifier, the glass fiber, the anti-impact modifier, the nucleating agent, the filling matrix, the antioxidant, the stabilizer, the rubber and the; particularly by the adding of the glass fiber, the performance such as the mechanical property and the corrosion resistance of the pipe are greatly improved.
Description
Technical field
The present invention relates to a kind of cable protection tubing, more particularly to a kind of modified polypropene cable protection tubing and its molding
Technique.
Background technology
Polypropylene (PP) as a kind of thermoplastic resin of excellent combination property, with abundant raw material source, mechanical property
Good, density is little, good chemical stability, using quite varied in plastics and fiber industry, but due to PP strands it is soft
Property it is big, melt extrusion elasticity is big, and polypropylene haves the shortcomings that impact strength, and especially low temperature impact strength is low, and is generally difficult to
Accomplish that mobility is taken into account with mechanical property, this limits to a certain extent the application of PP.In order to improve polyacrylic performance, expand
Big its range of application, has done both at home and abroad many researchs to MODIFIED PP.
Electric power cable protection tubing is the critical elements in power domain, electric power cable protection prepared by modified polypropylene
Tubing goes back Shortcomings at aspects such as impact resistance, anti-flammability, electrical insulating property, antiacid caustic corrosion, sliding, heat stability, because
This improves the combination property that polypropylene electric power cable protects tubing by filling-modified or blending and modifying, obtains impact resistance
By force, electric insulating quality is good, high mechanical strength, little, fire-retardant coefficient of friction, suppression cigarette, heat-resisting, cold-resistant, long service life, construction party
Just, the superior electric power cable protection tubing of the ratio of performance to price is the hot issue of current research.
In addition, except enhancing modified polypropylene cable protects the comprehensive physical performance of tubing, in order to increase its service life,
Its Corrosion Protection is also required to further raising.
The content of the invention
It is an object of the invention to provide a kind of modified polypropene cable protection tubing and its moulding process, improve cable guarantor
Pillar material impact resistance it is strong, electric insulating quality is good, high mechanical strength, coefficient of friction are little, fire-retardant, suppression cigarette, heat-resisting, cold-resistant, resistance to
The performance of the aspects such as corrosion.
The technical scheme is that：A kind of modified polypropene cable protection tubing, tubing by 100 parts of modified polypropenes,
1-5 part viscosifier, 0.5-5 part glass fibre, 1-5 part anti-impact modifiers, 1-5 part nucleators, 0-10 part filling master batch, 0.1-
3 parts of antioxidant, 0.1-3 part light stabilizers, 2-8 part rubber are constituted by weight, based on modified polypropene, by thickening
The addition of the compositions such as agent, glass fibre, impact modifier, nucleator, filling master batch, antioxidant, stabilizer, rubber, changes
It is kind to improve the combination property that polypropylene cable protects tubing, the especially addition of glass fibre, to tubing machinery strength, resistance to
Performance improvement in terms of corrosion is larger.
Preferably, a kind of modified polypropene cable protection tubing, tubing by 100 parts of modified polypropenes, 1-5 part viscosifier,
0.5-5 part glass fibre, 1-5 part anti-impact modifiers, 1-5 part nucleators, 0-10 part filling master batch, 1-4 part color masterbatches, 0.1-
3 parts of antioxidant, 0.1-3 part light stabilizers, 2-8 part rubber are constituted by weight ratio, based on modified polypropene, by increasing
The addition of the compositions such as stick, glass fibre, impact modifier, nucleator, filling master batch, antioxidant, stabilizer, rubber,
Improve improve polypropylene cable protect tubing combination property, the especially addition of glass fibre, to tubing machinery strength,
The performance improvement of corrosion-resistant aspect is larger, and Masterbatch is also added in addition, realizes the production of different colours tubing.
Preferably, pipe outer surface is coated with anti-corrosion layer, and the anti-corrosion layer is PTFE, and thickness is 0.01mm-1mm,
Further improve the decay resistance of cable protection tubing in the case of special operation condition.
Tube forming technique comprises the following steps：
Batch mixing, modified polypropene, nucleator, glass fibre are mixed by weight ratio, heated and stirred 30-40 minute,
Speed is 10-30 rev/min during stirring, when temperature reaches 75-85 DEG C, adds anti-impact modifier, filling master batch, antioxygen
Agent, light stabilizer stop stirring when continuing to be stirred to 120-150 DEG C, and speed is 60-80 rev/min during stirring, is cooled to 25-45
DEG C, just batch mixing is formed, the step process ensure that the basic property of cable protection tubing, especially mechanical strength and decay resistance
Lifting；
Plasticizing, bulking agent, viscosifier, color masterbatch, rubber are mixed by weight ratio, and heated and stirred 25 minutes works as temperature
Degree adds the first batch mixing of compounding process when reaching 80-100 DEG C, when continuing to be stirred to 120-150 DEG C stirring is stopped, and is cooled to 25-
45 DEG C use for next procedure；
Pelletize, by the batch mixing after plasticizing through single screw rod or double screw extruder extruding pelletization, extruder barrel temperature
One area is 160-190 DEG C, and two area's temperature are 170-210 DEG C, and three area's temperature are 180-225 DEG C, and four area's temperature are 185-235 DEG C,
Mold temperature is 200-260 DEG C, and extruder screw rotating speed is 1-30 rev/min；
Extruding pipe material, by above-mentioned granulation material through twin screw or single screw extrusion machine and mould extrusion molding, extruder
The area's temperature of machine barrel one is 160-190 DEG C, and two area's temperature are 170-210 DEG C, and three area's temperature are 180-225 DEG C, and four area's temperature are
185-235℃；The area's temperature of mould one is 180-225 DEG C, and two area's temperature are 185-230 DEG C, and three area's temperature are 190-240 DEG C, mouth
Mould temperature is 190-260 DEG C；Extruder screw rotating speed is 5-30 rev/min, and hauling speed is 0.5-10 m/min, and water tank is true
Reciprocal of duty cycle is 0.02-0.06MPa.
Preferably, described nucleator is sodium benzoate, p-phenolsulfonic acid's sodium, p-phenolsulfonic acid's calcium, sodium phenate, stearic acid
Calcium, two pairs of tert-butyl benzene sodium phosphates, alkyl Pyrusussuriensiss sugar ester, sodium carbonate, Pulvis Talci, titanium dioxide, carbonic acid boron, potassium carbonate, dioxies
Change cerium mischmetal, cerium hydroxide rare earth, lanthanum concentrate rare earth chloride, kieselguhr, aerosol, 0-chloro-benzoic acid sodium, m-chlorobenzoic acid sodium, right
A kind of in chlorobenzoic acid sodium or more than two kinds of mixing, improve the mechanical strength of tubing；
Preferably, described anti-impact modifier is ethylene propylene diene rubber, butadiene-styrene rubber, neoprene, natural rubber, fourth
Nitrile rubber, styrene-butadiene-styrene, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene (ABS) are common
A kind of in polymers, chlorinated polyethylene or more than two kinds of mixing, improve the shock resistance of tubing.
Preferably, described filling master batch is Calcium Carbonate, silicon dioxide, titanium dioxide, Pulvis Talci, Muscovitum, quartz sand, thin,tough silk
A kind of in Muscovitum, potter's clay, silicate, limestone or more than two kinds of mixing, improve the mechanical strength of tubing.
Preferably, described antioxidant is in phosphorous acid antioxidant, thioesters antioxidant, phenolic antioxidant or two kind
Mixing above, improves the antioxygenic property of tubing.
Preferably, described light stabilizer is benzophenone, benzoate, benzotriazole, salicylate, dithiocarbamates
One kind or two in formic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, white carbon black, titanium dioxide, Zinc Oxide, ferrum oxide
The mixing of the above is planted, heat-resisting, the cold tolerance of tubing is lifted.
Preferably, described viscosifier are polyisobutene co-polymer, rosin resin, rosin triglyceride, hydroabietic acid
Fragrant Doutrate, two terpene polymers, alkyl phenolic resin, dammar, Lac, polystyrene resins, rosin modified phenolic
A kind of in resin or more than two kinds of mixing.
By above technical scheme, impact resistance is strong, electric insulating quality is good, mechanical strength to have cable protection tubing
High, coefficient of friction is little, fire-retardant, suppression cigarette, heat-resisting, cold-resistant, corrosion resistance the features such as.
Specific embodiment
Below in conjunction with specific embodiment, technical scheme is elaborated, it should be understood that these embodiments are only
For illustrating the present invention rather than limiting the scope of the present invention, after the present invention has been read, those skilled in the art are to this
The modification of the various equivalent form of values of invention is each fallen within the application claims limited range.
Embodiment 1
The technical scheme is that：A kind of modified polypropene cable protection tubing, tubing by 100 parts of modified polypropenes, 1
Part viscosifier, 0.5 part of glass fibre, 1 part of anti-impact modifier, 1 portion of nucleator, 0.1 part of antioxidant, 0.1 part of light stabilizer, 2
Part rubber is constituted by weight, based on modified polypropene, by viscosifier, glass fibre, impact modifier, nucleation
The addition of the compositions such as agent, filling master batch, antioxidant, stabilizer, rubber, improves and improves the synthesis that polypropylene cable protects tubing
The addition of performance, especially glass fibre, it is larger to the performance improvement of tubing machinery strength, corrosion-resistant aspect.
Preferably, pipe outer surface is coated with anti-corrosion layer, and the anti-corrosion layer is PTFE, and thickness is 0.01mm, enters one
Step improves the decay resistance of cable protection tubing in the case of special operation condition.
Tube forming technique comprises the following steps：
Batch mixing, modified polypropene, nucleator, glass fibre are mixed by weight ratio, heated and stirred 30 minutes, stirring
Shi Sudu is 10 revs/min, when temperature reaches 75 DEG C, adds anti-impact modifier, filling master batch, antioxidant, light stabilizer
Stop stirring when continuing to be stirred to 120 DEG C, speed is 60 revs/min during stirring, be cooled to 25 DEG C, form just batch mixing, the step work
Skill ensure that the basic property of cable protection tubing, especially the lifting of mechanical strength and decay resistance；
Plasticizing, bulking agent, viscosifier, color masterbatch, rubber are mixed by weight ratio, and heated and stirred 25 minutes works as temperature
Degree adds the first batch mixing of compounding process when reaching 80-100 DEG C, stop stirring when continuing to be stirred to 120 DEG C, under being cooled to 25 DEG C of confessions
Procedure is used；
Pelletize, by the batch mixing after plasticizing through single screw rod or double screw extruder extruding pelletization, extruder barrel temperature
One area is 160 DEG C, and two area's temperature are 170 DEG C, and three area's temperature are 180 DEG C, and four area's temperature are 185 DEG C, and mold temperature is 200 DEG C,
Extruder screw rotating speed is 1 rev/min；
Extruding pipe material, by above-mentioned granulation material through twin screw or single screw extrusion machine and mould extrusion molding, extruder
The area's temperature of machine barrel one is 160 DEG C, and two area's temperature are 170 DEG C, and three area's temperature are 180 DEG C, and four area's temperature are 185 DEG C；The area of mould one
Temperature is 180 DEG C, and two area's temperature are 185 DEG C, and three area's temperature are 190 DEG C, and die temperature is 190 DEG C；Extruder screw rotating speed is 5
Rev/min, hauling speed is 0.5 m/min, and water tank vacuum is 0.02MPa.
Preferably, described nucleator is sodium benzoate, p-phenolsulfonic acid's sodium, p-phenolsulfonic acid's calcium, sodium phenate, stearic acid
Calcium, two pairs of tert-butyl benzene sodium phosphates, alkyl Pyrusussuriensiss sugar ester, sodium carbonate, Pulvis Talci, titanium dioxide, carbonic acid boron, potassium carbonate, dioxies
Change cerium mischmetal, cerium hydroxide rare earth, lanthanum concentrate rare earth chloride, kieselguhr, aerosol, 0-chloro-benzoic acid sodium, m-chlorobenzoic acid sodium, right
A kind of in chlorobenzoic acid sodium or more than two kinds of mixing, improve the mechanical strength of tubing；
Preferably, described anti-impact modifier is ethylene propylene diene rubber, butadiene-styrene rubber, neoprene, natural rubber, fourth
Nitrile rubber, styrene-butadiene-styrene, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene (ABS) are common
A kind of in polymers, chlorinated polyethylene or more than two kinds of mixing, improve the shock resistance of tubing.
Preferably, described filling master batch is Calcium Carbonate, silicon dioxide, titanium dioxide, Pulvis Talci, Muscovitum, quartz sand, thin,tough silk
A kind of in Muscovitum, potter's clay, silicate, limestone or more than two kinds of mixing, improve the mechanical strength of tubing.
Preferably, described antioxidant is in phosphorous acid antioxidant, thioesters antioxidant, phenolic antioxidant or two kind
Mixing above, improves the antioxygenic property of tubing.
Preferably, described light stabilizer is benzophenone, benzoate, benzotriazole, salicylate, dithiocarbamates
One kind or two in formic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, white carbon black, titanium dioxide, Zinc Oxide, ferrum oxide
The mixing of the above is planted, heat-resisting, the cold tolerance of tubing is lifted.
Preferably, described viscosifier are polyisobutene co-polymer, rosin resin, rosin triglyceride, hydroabietic acid
Fragrant Doutrate, two terpene polymers, alkyl phenolic resin, dammar, Lac, polystyrene resins, rosin modified phenolic
A kind of in resin or more than two kinds of mixing.
By above technical scheme, impact resistance is strong, electric insulating quality is good, mechanical strength to have cable protection tubing
High, coefficient of friction is little, fire-retardant, suppression cigarette, heat-resisting, cold-resistant, corrosion resistance the features such as.
Embodiment 2
The technical scheme is that：A kind of modified polypropene cable protection tubing, tubing by 100 parts of modified polypropenes, 5
Part viscosifier, 5 parts of glass fibre, 5 parts of anti-impact modifiers, 5 parts of nucleators, 10 parts of filling master batch, 4 parts of color masterbatches, 3 parts of antioxygens
Agent, 3 parts of light stabilizers, 8 parts of rubber are constituted by weight ratio, based on modified polypropene, by viscosifier, glass fibers
The addition of the compositions such as dimension, impact modifier, nucleator, filling master batch, antioxidant, stabilizer, rubber, improves and improves poly- third
The combination property of alkene cable protection tubing, the especially addition of glass fibre, to tubing machinery strength, corrosion-resistant aspect
Performance improvement is larger, and Masterbatch is also added in addition, realizes the production of different colours tubing.
Preferably, pipe outer surface is coated with anti-corrosion layer, and the anti-corrosion layer is PTFE, and thickness is 1mm, is further carried
The decay resistance of cable protection tubing in the case of high special operation condition.
Tube forming technique comprises the following steps：
Batch mixing, modified polypropene, nucleator, glass fibre are mixed by weight ratio, heated and stirred 40 minutes, stirring
Shi Sudu is 30 revs/min, when temperature reaches 85 DEG C, adds anti-impact modifier, filling master batch, antioxidant, light stabilizer
Stop stirring when continuing to be stirred to 150 DEG C, speed is 80 revs/min during stirring, be cooled to 45 DEG C, form just batch mixing, the step work
Skill ensure that the basic property of cable protection tubing, especially the lifting of mechanical strength and decay resistance；
Plasticizing, bulking agent, viscosifier, color masterbatch, rubber are mixed by weight ratio, and heated and stirred 25 minutes works as temperature
Degree adds the first batch mixing of compounding process when reaching 80-100 DEG C, stop stirring when continuing to be stirred to 150 DEG C, under being cooled to 45 DEG C of confessions
Procedure is used；
Pelletize, by the batch mixing after plasticizing through single screw rod or double screw extruder extruding pelletization, extruder barrel temperature
One area is 190 DEG C, and two area's temperature are 210 DEG C, and three area's temperature are 225 DEG C, and four area's temperature are 235 DEG C, and mold temperature is 260 DEG C,
Extruder screw rotating speed is 30 revs/min；
Extruding pipe material, by above-mentioned granulation material through twin screw or single screw extrusion machine and mould extrusion molding, extruder
The area's temperature of machine barrel one is 190 DEG C, and two area's temperature are 210 DEG C, and three area's temperature are 225 DEG C, and four area's temperature are 235 DEG C；The area of mould one
Temperature is 225 DEG C, and two area's temperature are 230 DEG C, and three area's temperature are 240 DEG C, and die temperature is 260 DEG C；Extruder screw rotating speed is
30 revs/min, hauling speed is 10 ms/min, and water tank vacuum is 0.06MPa.
Preferably, described nucleator is sodium benzoate, p-phenolsulfonic acid's sodium, p-phenolsulfonic acid's calcium, sodium phenate, stearic acid
Calcium, two pairs of tert-butyl benzene sodium phosphates, alkyl Pyrusussuriensiss sugar ester, sodium carbonate, Pulvis Talci, titanium dioxide, carbonic acid boron, potassium carbonate, dioxies
Change cerium mischmetal, cerium hydroxide rare earth, lanthanum concentrate rare earth chloride, kieselguhr, aerosol, 0-chloro-benzoic acid sodium, m-chlorobenzoic acid sodium, right
A kind of in chlorobenzoic acid sodium or more than two kinds of mixing, improve the mechanical strength of tubing；
Preferably, described anti-impact modifier is ethylene propylene diene rubber, butadiene-styrene rubber, neoprene, natural rubber, fourth
Nitrile rubber, styrene-butadiene-styrene, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene (ABS) are common
A kind of in polymers, chlorinated polyethylene or more than two kinds of mixing, improve the shock resistance of tubing.
Preferably, described filling master batch is Calcium Carbonate, silicon dioxide, titanium dioxide, Pulvis Talci, Muscovitum, quartz sand, thin,tough silk
A kind of in Muscovitum, potter's clay, silicate, limestone or more than two kinds of mixing, improve the mechanical strength of tubing.
Preferably, described antioxidant is in phosphorous acid antioxidant, thioesters antioxidant, phenolic antioxidant or two kind
Mixing above, improves the antioxygenic property of tubing.
Preferably, described light stabilizer is benzophenone, benzoate, benzotriazole, salicylate, dithiocarbamates
One kind or two in formic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, white carbon black, titanium dioxide, Zinc Oxide, ferrum oxide
The mixing of the above is planted, heat-resisting, the cold tolerance of tubing is lifted.
Preferably, described viscosifier are polyisobutene co-polymer, rosin resin, rosin triglyceride, hydroabietic acid
Fragrant Doutrate, two terpene polymers, alkyl phenolic resin, dammar, Lac, polystyrene resins, rosin modified phenolic
A kind of in resin or more than two kinds of mixing.
By above technical scheme, impact resistance is strong, electric insulating quality is good, mechanical strength to have cable protection tubing
High, coefficient of friction is little, fire-retardant, suppression cigarette, heat-resisting, cold-resistant, corrosion resistance the features such as.
Claims (10)
1. a kind of modified polypropene cable protection tubing, it is characterised in that：Tubing is viscosified by 100 parts of modified polypropenes, 1-5 parts
Agent, 0.5-5 part glass fibre, 1-5 part anti-impact modifiers, 1-5 part nucleators, 0-10 part filling master batch, 0.1-3 part antioxygens
Agent, 0.1-3 part light stabilizers, 2-8 part rubber are constituted by weight.
2. a kind of modified polypropene cable protection tubing as claimed in claim 1, it is characterised in that：Tubing is modified by 100 parts
Polypropylene, 1-5 part viscosifier, 0.5-5 part glass fibre, 1-5 part anti-impact modifiers, 1-5 part nucleators, the filling of 0-10 parts are female
Material, 1-4 part color masterbatches, 0.1-3 part antioxidant, 0.1-3 part light stabilizers, 2-8 part rubber are constituted by weight ratio.
3. a kind of modified polypropene cable protection tubing as claimed in claim 1 or 2, it is characterised in that：Pipe outer surface is applied
Anti-corrosion layer is covered with, the anti-corrosion layer is PTFE, and thickness is 0.01mm-1mm.
4. a kind of modified polypropene cable protection tubing moulding process as described in claim 1-3 is arbitrary, it is characterised in that：Pipe
Material moulding process comprises the following steps：
Batch mixing, modified polypropene, nucleator, glass fibre are mixed by weight ratio, heated and stirred 30-40 minute, stirring
Shi Sudu is 10-30 rev/min, when temperature reaches 75-85 DEG C, adds anti-impact modifier, filling master batch, antioxidant, light
Stabilizer stops stirring when continuing to be stirred to 120-150 DEG C, and speed is 60-80 rev/min during stirring, is cooled to 25-45 DEG C, shape
Into first batch mixing；
Plasticizing, bulking agent, viscosifier, color masterbatch, rubber is mixed by weight ratio, heated and stirred 25 minutes, when temperature reaches
To the first batch mixing that compounding process is added when 80-100 DEG C, when continuing to be stirred to 120-150 DEG C stirring is stopped, being cooled to 25-45 DEG C
Use for next procedure；
Pelletize, by the batch mixing after plasticizing through single screw rod or double screw extruder extruding pelletization, the area of extruder barrel temperature one
For 160-190 DEG C, two area's temperature are 170-210 DEG C, and three area's temperature are 180-225 DEG C, and four area's temperature are 185-235 DEG C, mould
Temperature is 200-260 DEG C, and extruder screw rotating speed is 1-30 rev/min；
Extruding pipe material, by above-mentioned granulation material through twin screw or single screw extrusion machine and mould extrusion molding, extruder barrel
One area's temperature is 160-190 DEG C, and two area's temperature are 170-210 DEG C, and three area's temperature are 180-225 DEG C, and four area's temperature are 185-235
℃；The area's temperature of mould one is 180-225 DEG C, and two area's temperature are 185-230 DEG C, and three area's temperature are 190-240 DEG C, and die temperature is
190-260℃；Extruder screw rotating speed is 5-30 rev/min, and hauling speed is 0.5-10 m/min, and water tank vacuum is
0.02-0.06MPa。
5. a kind of modified polypropene cable protection tubing moulding process as claimed in claim 4, it is characterised in that：It is described into
Core agent be sodium benzoate, p-phenolsulfonic acid's sodium, p-phenolsulfonic acid's calcium, sodium phenate, calcium stearate, the two pairs of tert-butyl benzene sodium phosphates,
Alkyl Pyrusussuriensiss sugar ester, sodium carbonate, Pulvis Talci, titanium dioxide, carbonic acid boron, potassium carbonate, ceria rare earth, cerium hydroxide rare earth,
One kind in lanthanum concentrate rare earth chloride, kieselguhr, aerosol, 0-chloro-benzoic acid sodium, m-chlorobenzoic acid sodium, Sodium P-Chlorobenzoate or
More than two kinds of mixing.
6. a kind of modified polypropene cable protection tubing moulding process as claimed in claim 4, it is characterised in that：Described is anti-
Impact modifying agent is ethylene propylene diene rubber, butadiene-styrene rubber, neoprene, natural rubber, nitrile rubber, styrene-butadiene-benzene
One kind in ethylene copolymer, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer, chlorinated polyethylene
Or more than two kinds of mixing.
7. a kind of modified polypropene cable protection tubing moulding process as claimed in claim 4, it is characterised in that：Described fills out
Masterbatch is filled for Calcium Carbonate, silicon dioxide, titanium dioxide, Pulvis Talci, Muscovitum, quartz sand, sericite, potter's clay, silicate, limestone
In a kind of or more than two kinds of mixing.
8. a kind of modified polypropene cable protection tubing moulding process as claimed in claim 4, it is characterised in that：Described is anti-
Oxygen agent is one or two or more mixing in phosphorous acid antioxidant, thioesters antioxidant, phenolic antioxidant.
9. a kind of modified polypropene cable protection tubing moulding process as claimed in claim 4, it is characterised in that：Described light
Stabilizer is benzophenone, benzoate, benzotriazole, salicylate, aminodithioformic acid nickel salt, thiobisphenol, phosphoric acid
A kind of in monoesters nickel, hindered amine, white carbon black, titanium dioxide, Zinc Oxide, ferrum oxide or more than two kinds of mixing.
10. a kind of modified polypropene cable protection tubing moulding process as claimed in claim 4, it is characterised in that：Described
Viscosifier are polyisobutene co-polymer, rosin resin, rosin triglyceride, hydroabietic acid perfume Doutrate, the polymerization of two terpenes
One kind in thing, alkyl phenolic resin, dammar, Lac, polystyrene resins, rosin modified phenolic resin or two kinds with
On mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611128835.0A CN106633439A (en) | 2016-12-09 | 2016-12-09 | Modified polypropylene cable protection pipe and forming process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611128835.0A CN106633439A (en) | 2016-12-09 | 2016-12-09 | Modified polypropylene cable protection pipe and forming process thereof |
Publications (1)
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| CN106633439A true CN106633439A (en) | 2017-05-10 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611128835.0A Withdrawn CN106633439A (en) | 2016-12-09 | 2016-12-09 | Modified polypropylene cable protection pipe and forming process thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107936367A (en) * | 2017-11-14 | 2018-04-20 | 舒城恒通通讯器材有限责任公司 | Plum tube tubular object extruding material and its preparation process are used in one kind communication |
| CN108929489A (en) * | 2018-08-31 | 2018-12-04 | 芜湖盈奇塑业有限公司 | A kind of ageing resistance polypropylene water horse enclosing and preparation method thereof |
| CN109228995A (en) * | 2018-10-19 | 2019-01-18 | 扬中市华龙橡塑电器有限公司 | A kind of EVA just cleans anti-corrosion foot pad |
| CN110172209A (en) * | 2019-04-17 | 2019-08-27 | 深圳市深捷通管业发展有限公司 | A kind of high fire-retardant MPP bellows of heat dissipation corrosion resistant type and preparation method thereof |
| CN110437523A (en) * | 2019-08-13 | 2019-11-12 | 江苏汉光实业股份有限公司 | Polyethylene low temperature impact tube material |
| CN111363253A (en) * | 2020-04-24 | 2020-07-03 | 界首市宏利塑料有限公司 | Corrosion-resistant plastic rope |
| CN113527829A (en) * | 2021-04-26 | 2021-10-22 | 苏州超锐得机械科技有限公司 | Plastic composition for air conditioner shell and preparation method thereof |
| CN113527744A (en) * | 2021-07-29 | 2021-10-22 | 安徽杰蓝特新材料有限公司 | Cable pipe outer-layer protective sleeve with good heat-resisting insulating property and processing method thereof |
| CN114656733A (en) * | 2022-04-27 | 2022-06-24 | 广东联塑科技实业有限公司 | Modified polyvinyl chloride, polyvinyl chloride noise reduction composite pipe and preparation method thereof |
| CN114672100A (en) * | 2022-05-06 | 2022-06-28 | 六安新兴塑管有限公司 | MPP pipe extrusion molding process |
| CN115651318A (en) * | 2022-10-24 | 2023-01-31 | 北方中意新材料（桐庐）有限公司 | Super-tough anti-seismic MPP (modified polypropylene) power tube and preparation method thereof |
| CN116444894A (en) * | 2023-04-07 | 2023-07-18 | 安徽东至广信农化有限公司 | Aging-resistant pipeline material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107936367A (en) * | 2017-11-14 | 2018-04-20 | 舒城恒通通讯器材有限责任公司 | Plum tube tubular object extruding material and its preparation process are used in one kind communication |
| CN108929489A (en) * | 2018-08-31 | 2018-12-04 | 芜湖盈奇塑业有限公司 | A kind of ageing resistance polypropylene water horse enclosing and preparation method thereof |
| CN109228995A (en) * | 2018-10-19 | 2019-01-18 | 扬中市华龙橡塑电器有限公司 | A kind of EVA just cleans anti-corrosion foot pad |
| CN110172209A (en) * | 2019-04-17 | 2019-08-27 | 深圳市深捷通管业发展有限公司 | A kind of high fire-retardant MPP bellows of heat dissipation corrosion resistant type and preparation method thereof |
| CN110437523A (en) * | 2019-08-13 | 2019-11-12 | 江苏汉光实业股份有限公司 | Polyethylene low temperature impact tube material |
| CN111363253A (en) * | 2020-04-24 | 2020-07-03 | 界首市宏利塑料有限公司 | Corrosion-resistant plastic rope |
| CN113527829A (en) * | 2021-04-26 | 2021-10-22 | 苏州超锐得机械科技有限公司 | Plastic composition for air conditioner shell and preparation method thereof |
| CN113527829B (en) * | 2021-04-26 | 2024-02-13 | 中山市联美模塑科技有限公司 | Plastic composition for air conditioner shell and preparation method thereof |
| CN113527744A (en) * | 2021-07-29 | 2021-10-22 | 安徽杰蓝特新材料有限公司 | Cable pipe outer-layer protective sleeve with good heat-resisting insulating property and processing method thereof |
| CN114656733A (en) * | 2022-04-27 | 2022-06-24 | 广东联塑科技实业有限公司 | Modified polyvinyl chloride, polyvinyl chloride noise reduction composite pipe and preparation method thereof |
| CN114656733B (en) * | 2022-04-27 | 2023-05-09 | 广东联塑科技实业有限公司 | Modified polyvinyl chloride, polyvinyl chloride silencing composite pipe and preparation method thereof |
| CN114672100A (en) * | 2022-05-06 | 2022-06-28 | 六安新兴塑管有限公司 | MPP pipe extrusion molding process |
| CN115651318A (en) * | 2022-10-24 | 2023-01-31 | 北方中意新材料（桐庐）有限公司 | Super-tough anti-seismic MPP (modified polypropylene) power tube and preparation method thereof |
| CN115651318B (en) * | 2022-10-24 | 2024-07-19 | 北方中意新材料（桐庐）有限公司 | Super-tough anti-seismic MPP power tube and preparation method thereof |
| CN116444894A (en) * | 2023-04-07 | 2023-07-18 | 安徽东至广信农化有限公司 | Aging-resistant pipeline material and preparation method thereof |
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Application publication date: 20170510 |