CN107200968A - A kind of drainpipe and preparation method thereof - Google Patents
A kind of drainpipe and preparation method thereof Download PDFInfo
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- CN107200968A CN107200968A CN201710593354.5A CN201710593354A CN107200968A CN 107200968 A CN107200968 A CN 107200968A CN 201710593354 A CN201710593354 A CN 201710593354A CN 107200968 A CN107200968 A CN 107200968A
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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
- 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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- 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
- B29C2948/92704—Temperature
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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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of drainpipe and preparation method thereof, is related to plastic pipe technical field, drainpipe includes the raw material of following parts by weight：Compound stabilizer, ACR resins, stearic acid, PE waxes, titanium dioxide, PVC SG5 resins, nm-class active calcium carbonate, natural rubber, polyurethane rubber, ceramic fibre, antioxidant, compatilizer, plasticizer and curing agent；Preparation method comprises the following steps：(1) raw material is weighed；(2) mix；(3) plasticizing granulation；(4) tube billet is squeezed；(5) tubing vacuum cooled is molded；(6) draw.The present invention solves existing drainpipe and there is the problem of low intensity, poor toughness and inoxidizability are poor.
Description
Technical field
The invention belongs to plastic pipe technical field, and in particular to a kind of drainpipe and preparation method thereof.
Background technology
Current drainpipe uses PVC, and PVC is produced at present, and the production method nineties is continued to use mostly, used
The material of manufacture plastic tube is divided into two kinds, and one kind is made up with PVC plus ordinary calcium carbonate of primary raw material, the pipe manufactured
Material cost is high, and other performance is as the physical and chemical performances such as intensity, toughness, inoxidizability；It is another to utilize recovery
PVC is made up plus calcium carbonate of primary raw material, although the tubing cost manufactured is relatively low, but the PVC produced is strong
It is poor on the physical and chemical performances such as degree, toughness, inoxidizability.
The content of the invention
The problem of low intensity, poor toughness and inoxidizability are poor, mesh of the invention are there is in order to solve existing drainpipe
Be to provide a kind of drainpipe and preparation method thereof, obtained drainpipe has the excellent of high intensity, good toughness and good in oxidation resistance
Point.
The invention provides following technical scheme：
A kind of drainpipe, includes the raw material of following parts by weight：2-4 parts of compound stabilizer, 1.5-2.1 parts of ACR resins, tristearin
Sour 0.4-0.6 parts, 1.2-1.6 parts of PE waxes, 1-3 parts of titanium dioxide, 45-55 parts of PVC-SG5 resins, nm-class active calcium carbonate 60-70
It is part, 30-40 parts of natural rubber, 20-40 parts of polyurethane rubber, 2-5 parts of ceramic fibre, 0.2-0.6 parts of antioxidant, compatible
0.3-0.7 parts of 0.4-0.8 parts of agent, 0.1-0.7 parts of plasticizer and curing agent.
With the addition of natural rubber in raw material, natural rubber have high mechanical strength, it is resistance to circumnutate with it is vibration isolation good the characteristics of, can
To improve the intensity and toughness of the drainpipe prepared.
Polyurethane rubber is with the addition of in raw material, polyurethane rubber has tensile strength high, elastic good, anti-
High, the wear-resisting and heat-resisting advantage of tearing strength, is favorably improved the intensity and toughness of the drainpipe of preparation.
It with the addition of ceramic fibre in raw material, ceramic fibre has that light weight, high temperature resistant, heat endurance be good, fire resistance is good and strong
The characteristics of spending high, is favorably improved the intensity of the drainpipe of preparation.
Preferably, the raw material of following parts by weight is included：3 parts of compound stabilizer, 1.8 parts of ACR resins, 0.5 part of stearic acid, PE
1.4 parts of wax, 2 parts of titanium dioxide, 50 parts of PVC-SG5 resins, 65 parts of nm-class active calcium carbonate, 35 parts of natural rubber, polyurethane
0.5 part of 30 parts of ester rubber, 3.5 parts of ceramic fibre, 0.4 part of antioxidant, 0.6 part of compatilizer, 0.4 part of plasticizer and curing agent.
Preferably, the antioxidant is p-phenylenediamine, and p-phenylenediamine can delay or suppress the oxidation course of drainpipe,
Improve the life-span of drainpipe.
Preferably, the compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible
Two kinds of polymer is combined together, and then reaches the purpose of stabilized blends.
Preferably, the plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of drainpipe, also makes its soft
Toughness strengthens, and is more prone to processing, while less expensive.
Preferably, the curing agent be MDA, the drainpipe after MDA solidifies, its
Toughness is strengthened.
Preferably, it is 15-23 part of polysulfone resin that the drainpipe, which also includes parts by weight, polysulfone resin have rigidity good with
The advantage of good toughness.
Preferably, it is 13-21 parts of makrolon that the drainpipe, which also includes parts by weight, and makrolon has impact resistance
Good, mechanical strength properties are good, good and good in oxidation resistance the advantage of processability.
A kind of preparation method of drainpipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of drainpipe raw material；
(2) whole raw materials are inserted in the material cylinder of high/low temperature mixer, high temperature mixing is first carried out, when compound is in hot cylinder
Temperature reach 110 DEG C -130 DEG C when spending, high temperature compound is taken out and is put into cooling cylinder, when compound is in cold cylinder temperature
When dropping to 40 DEG C -50 DEG C, mixed material is discharged, compound is made stand-by；
(3) compound by discharge in step (2) is inserted in comminutor, and the engine speed of comminutor is 29r/min, granulation
The temperature in the area of machine barrel one is 170 DEG C -180 DEG C, and the temperature in the area of barrel two is 180 DEG C -190 DEG C, and the temperature in the area of barrel three is 185
DEG C -195 DEG C, the temperature in the area of barrel four is 175 DEG C -185 DEG C, and the temperature of granulation die is 190 DEG C -200 DEG C, and particle diameter, which is made, is
1.5mm particulate material；
(4) particulate material for taking step (3) to prepare, sends into double screw extruder when pellet temperature drops to 40 DEG C -50 DEG C,
Extrusion screw rod rotating speed 26r/min, feed-screw rotating speed is 55r/min, and one area's temperature of extrusion is 185 DEG C, extrudes two area's temperature 175
DEG C, 165 DEG C of three area's temperature is extruded, the torque of screw rod is 45kgm, be 23MPa, material temperature in the material pressure rotated in blanking tube of screw rod
For 165 DEG C -175 DEG C, the temperature of screw rod and grinding tool join is 155 DEG C -165 DEG C, and the temperature in the area of mould one is 175 DEG C -185
DEG C, the temperature in the area of mould two is 170 DEG C -180 DEG C, and the temperature in the area of mould three is 190 DEG C -200 DEG C, extruding pipe material blank；
(5) sizing and cooling immediately when tube billet is extruded mould, inserts Vacuum shaping cold by the tube billet of extrusion
But in case, using the method for sizing outside internal pressure, compressed air is led in pipe, and uses vacuum method sizing, its vacuum is
0.055-0.070MPa, the sizing pressure of compressed air is 0.02-0.05MPa, blank is shaped, the drainpipe of shaping is made
Material；
(6) drainage pipe of shaping is put in traction crawler belt when drawing, but crawler belt does not clamp tubing, adjusts pulling speed
Should 1%-10% faster than extruded velocity, the drainage pipe of shaping is cut after traction, qualified storage is examined.
The beneficial effects of the invention are as follows：
1st, the present invention solves existing drainpipe and there is the problem of low intensity, poor toughness and inoxidizability are poor.
2nd, with the addition of natural rubber in raw material of the invention, natural rubber have high mechanical strength, it is resistance to circumnutate with it is vibration isolation
Good the characteristics of, the intensity and toughness of the drainpipe of preparation can be improved.
3rd, polyurethane rubber is with the addition of in raw material of the invention, polyurethane rubber has tensile strength
High, the wear-resisting and heat-resisting advantage of high, elastic good, tearing toughness, is favorably improved the intensity and toughness of the drainpipe of preparation.
4th, ceramic fibre is with the addition of in raw material of the invention, ceramic fibre has light weight, high temperature resistant, heat endurance good, resistance to
Fire is good and the characteristics of high intensity, is favorably improved the intensity of the drainpipe of preparation.
5th, heretofore described antioxidant is p-phenylenediamine, and the oxidation that p-phenylenediamine can delay or suppress drainpipe is entered
Journey, improves the life-span of drainpipe.
6th, heretofore described compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes not phase
The two kinds of polymer of appearance is combined together, and then reaches the purpose of stabilized blends.
7th, heretofore described plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of drainpipe, is also made
Its pliability strengthens, and is more prone to processing, while less expensive.
8th, heretofore described curing agent is MDA, the draining after MDA solidifies
Pipe, its toughness is strengthened.
9th, it is 15-23 parts of polysulfone resin that heretofore described drainpipe, which also includes parts by weight, and polysulfone resin has rigidity
The advantage of good and good toughness.
10th, it is 13-21 parts of makrolon that heretofore described drainpipe, which also includes parts by weight, and makrolon has resistance to punching
Hitting property is good, mechanical strength properties are good, processability is good and good in oxidation resistance advantage.
Embodiment
Embodiment 1
A kind of drainpipe, includes the raw material of following parts by weight：3 parts of compound stabilizer, 1.8 parts of ACR resins, stearic acid 0.5
Part, 1.4 parts of PE waxes, 2 parts of titanium dioxide, 50 parts of PVC-SG5 resins, 65 parts of nm-class active calcium carbonate, 35 parts of natural rubber, poly- amino
30 parts of formic acid esters rubber, 3.5 parts of ceramic fibre, 0.4 part of antioxidant, 0.6 part of compatilizer, 0.4 part of plasticizer and curing agent 0.5
Part.
With the addition of natural rubber in raw material, natural rubber have high mechanical strength, it is resistance to circumnutate with it is vibration isolation good the characteristics of, can
To improve the intensity and toughness of the drainpipe prepared.
Polyurethane rubber is with the addition of in raw material, polyurethane rubber has tensile strength high, elastic good, anti-
High, the wear-resisting and heat-resisting advantage of tearing strength, is favorably improved the intensity and toughness of the drainpipe of preparation.
It with the addition of ceramic fibre in raw material, ceramic fibre has that light weight, high temperature resistant, heat endurance be good, fire resistance is good and strong
The characteristics of spending high, is favorably improved the intensity of the drainpipe of preparation.
Antioxidant is p-phenylenediamine, and p-phenylenediamine can delay or suppress the oxidation course of drainpipe, improve draining
The life-span of pipe.
Compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible two kinds of polymer
It is combined together, and then reaches the purpose of stabilized blends.
Plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of drainpipe, also strengthens its pliability, more
Plus be easily worked, while less expensive.
Curing agent is MDA, and the drainpipe after MDA solidifies, its toughness is increased
By force.
It is 19 parts of polysulfone resin that drainpipe, which also includes parts by weight, and polysulfone resin has the advantages that rigid good and good toughness.
It is 17 parts of makrolon that drainpipe, which also includes parts by weight, and makrolon has that impact resistance is good, mechanical strength
Can good and good in oxidation resistance the advantage of good, processability.
A kind of preparation method of drainpipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of drainpipe raw material；
(2) whole raw materials are inserted in the material cylinder of high/low temperature mixer, high temperature mixing is first carried out, when compound is in hot cylinder
Temperature reach 110 DEG C -130 DEG C when spending, high temperature compound is taken out and is put into cooling cylinder, when compound is in cold cylinder temperature
When dropping to 40 DEG C -50 DEG C, mixed material is discharged, compound is made stand-by；
(3) compound by discharge in step (2) is inserted in comminutor, and the engine speed of comminutor is 29r/min, granulation
The temperature in the area of machine barrel one is 170 DEG C -180 DEG C, and the temperature in the area of barrel two is 180 DEG C -190 DEG C, and the temperature in the area of barrel three is 185
DEG C -195 DEG C, the temperature in the area of barrel four is 175 DEG C -185 DEG C, and the temperature of granulation die is 190 DEG C -200 DEG C, and particle diameter, which is made, is
1.5mm particulate material；
(4) particulate material for taking step (3) to prepare, sends into double screw extruder when pellet temperature drops to 40 DEG C -50 DEG C,
Extrusion screw rod rotating speed 26r/min, feed-screw rotating speed is 55r/min, and one area's temperature of extrusion is 185 DEG C, extrudes two area's temperature 175
DEG C, 165 DEG C of three area's temperature is extruded, the torque of screw rod is 45kgm, be 23MPa, material temperature in the material pressure rotated in blanking tube of screw rod
For 165 DEG C -175 DEG C, the temperature of screw rod and grinding tool join is 155 DEG C -165 DEG C, and the temperature in the area of mould one is 175 DEG C -185
DEG C, the temperature in the area of mould two is 170 DEG C -180 DEG C, and the temperature in the area of mould three is 190 DEG C -200 DEG C, extruding pipe material blank；
(5) sizing and cooling immediately when tube billet is extruded mould, inserts Vacuum shaping cold by the tube billet of extrusion
But in case, using the method for sizing outside internal pressure, compressed air is led in pipe, and uses vacuum method sizing, its vacuum is
0.055-0.070MPa, the sizing pressure of compressed air is 0.02-0.05MPa, blank is shaped, the drainpipe of shaping is made
Material；
(6) drainage pipe of shaping is put in traction crawler belt when drawing, but crawler belt does not clamp tubing, adjusts pulling speed
Should 1%-10% faster than extruded velocity, the drainage pipe of shaping is cut after traction, qualified storage is examined.
Embodiment 2
A kind of drainpipe, includes the raw material of following parts by weight：2 parts of compound stabilizer, 1.5 parts of ACR resins, stearic acid 0.4
Part, 1.2 parts of PE waxes, 1 part of titanium dioxide, 45 parts of PVC-SG5 resins, 60 parts of nm-class active calcium carbonate, 30 parts of natural rubber, poly- amino
0.3 part of 20 parts of formic acid esters rubber, 2 parts of ceramic fibre, 0.2 part of antioxidant, 0.4 part of compatilizer, 0.1 part of plasticizer and curing agent.
With the addition of natural rubber in raw material, natural rubber have high mechanical strength, it is resistance to circumnutate with it is vibration isolation good the characteristics of, can
To improve the intensity and toughness of the drainpipe prepared.
Polyurethane rubber is with the addition of in raw material, polyurethane rubber has tensile strength high, elastic good, anti-
High, the wear-resisting and heat-resisting advantage of tearing strength, is favorably improved the intensity and toughness of the drainpipe of preparation.
It with the addition of ceramic fibre in raw material, ceramic fibre has that light weight, high temperature resistant, heat endurance be good, fire resistance is good and strong
The characteristics of spending high, is favorably improved the intensity of the drainpipe of preparation.
Antioxidant is p-phenylenediamine, and p-phenylenediamine can delay or suppress the oxidation course of drainpipe, improve draining
The life-span of pipe.
Compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible two kinds of polymer
It is combined together, and then reaches the purpose of stabilized blends.
Plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of drainpipe, also strengthens its pliability, more
Plus be easily worked, while less expensive.
Curing agent is MDA, and the drainpipe after MDA solidifies, its toughness is increased
By force.
It is 15 parts of polysulfone resin that drainpipe, which also includes parts by weight, and polysulfone resin has the advantages that rigid good and good toughness.
It is 13 parts of makrolon that drainpipe, which also includes parts by weight, and makrolon has that impact resistance is good, mechanical strength
Can good and good in oxidation resistance the advantage of good, processability.
A kind of preparation method of drainpipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of drainpipe raw material；
(2) whole raw materials are inserted in the material cylinder of high/low temperature mixer, high temperature mixing is first carried out, when compound is in hot cylinder
Temperature reach 110 DEG C -130 DEG C when spending, high temperature compound is taken out and is put into cooling cylinder, when compound is in cold cylinder temperature
When dropping to 40 DEG C -50 DEG C, mixed material is discharged, compound is made stand-by；
(3) compound by discharge in step (2) is inserted in comminutor, and the engine speed of comminutor is 29r/min, granulation
The temperature in the area of machine barrel one is 170 DEG C -180 DEG C, and the temperature in the area of barrel two is 180 DEG C -190 DEG C, and the temperature in the area of barrel three is 185
DEG C -195 DEG C, the temperature in the area of barrel four is 175 DEG C -185 DEG C, and the temperature of granulation die is 190 DEG C -200 DEG C, and particle diameter, which is made, is
1.5mm particulate material；
(4) particulate material for taking step (3) to prepare, sends into double screw extruder when pellet temperature drops to 40 DEG C -50 DEG C,
Extrusion screw rod rotating speed 26r/min, feed-screw rotating speed is 55r/min, and one area's temperature of extrusion is 185 DEG C, extrudes two area's temperature 175
DEG C, 165 DEG C of three area's temperature is extruded, the torque of screw rod is 45kgm, be 23MPa, material temperature in the material pressure rotated in blanking tube of screw rod
For 165 DEG C -175 DEG C, the temperature of screw rod and grinding tool join is 155 DEG C -165 DEG C, and the temperature in the area of mould one is 175 DEG C -185
DEG C, the temperature in the area of mould two is 170 DEG C -180 DEG C, and the temperature in the area of mould three is 190 DEG C -200 DEG C, extruding pipe material blank；
(5) sizing and cooling immediately when tube billet is extruded mould, inserts Vacuum shaping cold by the tube billet of extrusion
But in case, using the method for sizing outside internal pressure, compressed air is led in pipe, and uses vacuum method sizing, its vacuum is
0.055-0.070MPa, the sizing pressure of compressed air is 0.02-0.05MPa, blank is shaped, the drainpipe of shaping is made
Material；
(6) drainage pipe of shaping is put in traction crawler belt when drawing, but crawler belt does not clamp tubing, adjusts pulling speed
Should 1%-10% faster than extruded velocity, the drainage pipe of shaping is cut after traction, qualified storage is examined.
Embodiment 3
A kind of drainpipe, includes the raw material of following parts by weight：4 parts of compound stabilizer, 2.1 parts of ACR resins, stearic acid 0.6
Part, 1.6 parts of PE waxes, 3 parts of titanium dioxide, 55 parts of PVC-SG5 resins, 70 parts of nm-class active calcium carbonate, 40 parts of natural rubber, poly- amino
0.7 part of 40 parts of formic acid esters rubber, 5 parts of ceramic fibre, 0.6 part of antioxidant, 0.8 part of compatilizer, 0.7 part of plasticizer and curing agent.
With the addition of natural rubber in raw material, natural rubber have high mechanical strength, it is resistance to circumnutate with it is vibration isolation good the characteristics of, can
To improve the intensity and toughness of the drainpipe prepared.
Polyurethane rubber is with the addition of in raw material, polyurethane rubber has tensile strength high, elastic good, anti-
High, the wear-resisting and heat-resisting advantage of tearing strength, is favorably improved the intensity and toughness of the drainpipe of preparation.
It with the addition of ceramic fibre in raw material, ceramic fibre has that light weight, high temperature resistant, heat endurance be good, fire resistance is good and strong
The characteristics of spending high, is favorably improved the intensity of the drainpipe of preparation.
Antioxidant is p-phenylenediamine, and p-phenylenediamine can delay or suppress the oxidation course of drainpipe, improve draining
The life-span of pipe.
Compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible two kinds of polymer
It is combined together, and then reaches the purpose of stabilized blends.
Plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of drainpipe, also strengthens its pliability, more
Plus be easily worked, while less expensive.
Curing agent is MDA, and the drainpipe after MDA solidifies, its toughness is increased
By force.
It is 23 parts of polysulfone resin that drainpipe, which also includes parts by weight, and polysulfone resin has the advantages that rigid good and good toughness.
It is 21 parts of makrolon that drainpipe, which also includes parts by weight, and makrolon has that impact resistance is good, mechanical strength
Can good and good in oxidation resistance the advantage of good, processability.
A kind of preparation method of drainpipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of drainpipe raw material；
(2) whole raw materials are inserted in the material cylinder of high/low temperature mixer, high temperature mixing is first carried out, when compound is in hot cylinder
Temperature reach 110 DEG C -130 DEG C when spending, high temperature compound is taken out and is put into cooling cylinder, when compound is in cold cylinder temperature
When dropping to 40 DEG C -50 DEG C, mixed material is discharged, compound is made stand-by；
(3) compound by discharge in step (2) is inserted in comminutor, and the engine speed of comminutor is 29r/min, granulation
The temperature in the area of machine barrel one is 170 DEG C -180 DEG C, and the temperature in the area of barrel two is 180 DEG C -190 DEG C, and the temperature in the area of barrel three is 185
DEG C -195 DEG C, the temperature in the area of barrel four is 175 DEG C -185 DEG C, and the temperature of granulation die is 190 DEG C -200 DEG C, and particle diameter, which is made, is
1.5mm particulate material；
(4) particulate material for taking step (3) to prepare, sends into double screw extruder when pellet temperature drops to 40 DEG C -50 DEG C,
Extrusion screw rod rotating speed 26r/min, feed-screw rotating speed is 55r/min, and one area's temperature of extrusion is 185 DEG C, extrudes two area's temperature 175
DEG C, 165 DEG C of three area's temperature is extruded, the torque of screw rod is 45kgm, be 23MPa, material temperature in the material pressure rotated in blanking tube of screw rod
For 165 DEG C -175 DEG C, the temperature of screw rod and grinding tool join is 155 DEG C -165 DEG C, and the temperature in the area of mould one is 175 DEG C -185
DEG C, the temperature in the area of mould two is 170 DEG C -180 DEG C, and the temperature in the area of mould three is 190 DEG C -200 DEG C, extruding pipe material blank；
(5) sizing and cooling immediately when tube billet is extruded mould, inserts Vacuum shaping cold by the tube billet of extrusion
But in case, using the method for sizing outside internal pressure, compressed air is led in pipe, and uses vacuum method sizing, its vacuum is
0.055-0.070MPa, the sizing pressure of compressed air is 0.02-0.05MPa, blank is shaped, the drainpipe of shaping is made
Material；
(6) drainage pipe of shaping is put in traction crawler belt when drawing, but crawler belt does not clamp tubing, adjusts pulling speed
Should 1%-10% faster than extruded velocity, the drainage pipe of shaping is cut after traction, qualified storage is examined.
Comparative example 1
A kind of drainpipe, includes the raw material of following parts by weight：2 parts of compound stabilizer, 1.5 parts of ACR resins, stearic acid 0.4
Part, 1.2 parts of PE waxes, 1 part of titanium dioxide, 45 parts of PVC-SG5 resins and 70 parts of precipitated calcium carbonate.
A kind of preparation method of drainpipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of drainpipe raw material；
(2) whole raw materials are inserted in the material cylinder of high/low temperature mixer, high temperature mixing is first carried out, when compound is in hot cylinder
Temperature reach 110 DEG C -130 DEG C when spending, high temperature compound is taken out and is put into cooling cylinder, when compound is in cold cylinder temperature
When dropping to 40 DEG C -50 DEG C, mixed material is discharged, compound is made stand-by；
(3) compound by discharge in step (2) is inserted in comminutor, and the engine speed of comminutor is 29r/min, granulation
The temperature in the area of machine barrel one is 170 DEG C -180 DEG C, and the temperature in the area of barrel two is 180 DEG C -190 DEG C, and the temperature in the area of barrel three is 185
DEG C -195 DEG C, the temperature in the area of barrel four is 175 DEG C -185 DEG C, and the temperature of granulation die is 190 DEG C -200 DEG C, and particle diameter, which is made, is
1.5mm particulate material；
(4) particulate material for taking step (3) to prepare, sends into double screw extruder when pellet temperature drops to 40 DEG C -50 DEG C,
Extrusion screw rod rotating speed 26r/min, feed-screw rotating speed is 55r/min, and one area's temperature of extrusion is 185 DEG C, extrudes two area's temperature 175
DEG C, 165 DEG C of three area's temperature is extruded, the torque of screw rod is 45kgm, be 23MPa, material temperature in the material pressure rotated in blanking tube of screw rod
For 165 DEG C -175 DEG C, the temperature of screw rod and grinding tool join is 155 DEG C -165 DEG C, and the temperature in the area of mould one is 175 DEG C -185
DEG C, the temperature in the area of mould two is 170 DEG C -180 DEG C, and the temperature in the area of mould three is 190 DEG C -200 DEG C, extruding pipe material blank；
(5) sizing and cooling immediately when tube billet is extruded mould, inserts Vacuum shaping cold by the tube billet of extrusion
But in case, using the method for sizing outside internal pressure, compressed air is led in pipe, and uses vacuum method sizing, its vacuum is
0.055-0.070MPa, the sizing pressure of compressed air is 0.02-0.05MPa, blank is shaped, the drainpipe of shaping is made
Material；
(6) drainage pipe of shaping is put in traction crawler belt when drawing, but crawler belt does not clamp tubing, adjusts pulling speed
Should 1%-10% faster than extruded velocity, the drainage pipe of shaping is cut after traction, qualified storage is examined.
Drainpipe made from drainpipe made from embodiment 1, embodiment 2 and embodiment 3 and comparative example 1 is subjected to performance survey
Examination, test result is as shown in table 1：
| Index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Tensile strength (MPa) | 78 | 73 | 69 | 50 |
| Compression strength (MPa) | 135 | 129 | 124 | 100 |
| Tensile strength (MPa) | 62 | 59 | 54 | 49 |
| Aging coefficient (70 DEG C, 144h) | 0.92 | 0.89 | 0.88 | 0.79 |
From the data of table 1 compare as can be seen that it is an advantage of the invention that：
1st, a kind of drainpipe and preparation method thereof, from the tensile strength measured as can be seen that embodiment 1-3 tensile strength
Comparative example 1 is above, illustrates that the tensile strength of drainpipe of the present invention is high.
2nd, a kind of drainpipe and preparation method thereof, from the compression strength measured as can be seen that embodiment 1-3 compression strength
Comparative example 1 is above, illustrates that the compression strength of drainpipe of the present invention is high.
3rd, a kind of drainpipe and preparation method thereof, from the tensile strength measured as can be seen that embodiment 1-3 tensile strength
Comparative example 1 is above, illustrates that the tensile strength of drainpipe of the present invention is high.
4th, a kind of drainpipe and preparation method thereof, from the aging coefficient measured as can be seen that embodiment 1-3 aging coefficient
Comparative example 1 is above, illustrates the good in oxidation resistance of drainpipe of the present invention.
5th, a kind of drainpipe and preparation method thereof, from the data of each index measured as can be seen that embodiment 1 is superior to
Embodiment 2, embodiment 3 and comparative example 1, illustrate the composition of raw materials of drainpipe of the present invention and the reasonability of preparation method.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or equivalent substitution, all essences in the present invention are carried out to which part technical characteristic
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of drainpipe, it is characterised in that include the raw material of following parts by weight：2-4 parts of compound stabilizer, ACR resins 1.5-
2.1 parts, 0.4-0.6 parts of stearic acid, 1.2-1.6 parts of PE waxes, 1-3 parts of titanium dioxide, 45-55 parts of PVC-SG5 resins, nano active carbon
Sour calcium 60-70 parts, 30-40 parts of natural rubber, 20-40 parts of polyurethane rubber, 2-5 parts of ceramic fibre, antioxidant 0.2-
0.3-0.7 parts of 0.6 part, 0.4-0.8 parts of compatilizer, 0.1-0.7 parts of plasticizer and curing agent.
2. drainpipe according to claim 1, it is characterised in that include the raw material of following parts by weight：Compound stabilizer 3
Part, 1.8 parts of ACR resins, 0.5 part of stearic acid, 1.4 parts of PE waxes, 2 parts of titanium dioxide, 50 parts of PVC-SG5 resins, nano active carbonic acid
65 parts of calcium, 35 parts of natural rubber, 30 parts of polyurethane rubber, 3.5 parts of ceramic fibre, 0.4 part of antioxidant, compatilizer 0.6
0.5 part of part, 0.4 part of plasticizer and curing agent.
3. drainpipe according to claim 1, it is characterised in that：The antioxidant is p-phenylenediamine.
4. drainpipe according to claim 1, it is characterised in that：The compatilizer is that maleic anhydride is grafted compatilizer.
5. drainpipe according to claim 1, it is characterised in that：The plasticizer is dioctyl phthalate.
6. drainpipe according to claim 1, it is characterised in that：The curing agent is MDA.
7. drainpipe according to claim 1, it is characterised in that：It is polysulfone resin that the drainpipe, which also includes parts by weight,
15-23 parts.
8. drainpipe according to claim 1, it is characterised in that：It is makrolon that the drainpipe, which also includes parts by weight,
13-21 parts.
9. the preparation method of a kind of drainpipe as described in claim 1-8 any one, it is characterised in that including following step
Suddenly：
(1) raw material is weighed according to the parts by weight of drainpipe raw material；
(2) whole raw materials are inserted in the material cylinder of high/low temperature mixer, high temperature mixing is first carried out, when temperature of the compound in hot cylinder
Degree reaches 110 DEG C -130 DEG C when spending, and high temperature compound is taken out and is put into cooling cylinder, when compound is dropped in cold cylinder temperature
At 40 DEG C -50 DEG C, mixed material is discharged, compound is made stand-by；
(3) compound by discharge in step (2) is inserted in comminutor, and the engine speed of comminutor is 29r/min, comminutor material
The temperature in one area of cylinder is 170 DEG C -180 DEG C, and the temperature in the area of barrel two is 180 DEG C -190 DEG C, the temperature in the area of barrel three for 185 DEG C -
195 DEG C, the temperature in the area of barrel four is 175 DEG C -185 DEG C, and the temperature of granulation die is 190 DEG C -200 DEG C, and particle diameter is made for 1.5mm
Particulate material；
(4) particulate material for taking step (3) to prepare, sends into double screw extruder when pellet temperature drops to 40 DEG C -50 DEG C, extrusion
Screw speed 26r/min, feed-screw rotating speed is 55r/min, and one area's temperature of extrusion is 185 DEG C, extrudes 175 DEG C of two area's temperature,
165 DEG C of three area's temperature is extruded, the torque of screw rod is 45kgm, be 23MPa in the material pressure rotated in blanking tube of screw rod, material temperature is
165 DEG C -175 DEG C, the temperature of screw rod and grinding tool join is 155 DEG C -165 DEG C, and the temperature in the area of mould one is 175 DEG C -185 DEG C,
The temperature in the area of mould two is 170 DEG C -180 DEG C, and the temperature in the area of mould three is 190 DEG C -200 DEG C, extruding pipe material blank；
(5) sizing and cooling immediately when tube billet is extruded mould, Vacuum shaping cooler bin is inserted by the tube billet of extrusion
In, using the method for sizing outside internal pressure, compressed air is led in pipe, and vacuum method sizing is used, its vacuum is 0.055-
0.070MPa, the sizing pressure of compressed air is 0.02-0.05MPa, blank is shaped, the drainage pipe of shaping is made；
(6) drainage pipe of shaping is put in traction crawler belt when drawing, but crawler belt does not clamp tubing, and regulation pulling speed should compare
The fast 1%-10% of extruded velocity, is cut the drainage pipe of shaping after traction, examines qualified storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593354.5A CN107200968A (en) | 2017-07-20 | 2017-07-20 | A kind of drainpipe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593354.5A CN107200968A (en) | 2017-07-20 | 2017-07-20 | A kind of drainpipe and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN107200968A true CN107200968A (en) | 2017-09-26 |
Family
ID=59912198
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| CN201710593354.5A Withdrawn CN107200968A (en) | 2017-07-20 | 2017-07-20 | A kind of drainpipe and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111763389A (en) * | 2020-06-10 | 2020-10-13 | 安徽博泰塑业科技有限公司 | PVC-U drainage pipe and preparation method thereof |
| CN112026130A (en) * | 2020-08-22 | 2020-12-04 | 苏州市金来达科技有限公司 | Special process method and production equipment for producing PSU (polymer reinforced plastic) pipe |
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| CN105061918A (en) * | 2015-07-14 | 2015-11-18 | 安徽盛华管业有限公司 | Electric power protecting tube with high thermal decomposition temperature |
| CN105802078A (en) * | 2016-04-29 | 2016-07-27 | 黄宇松 | High-strength polyvinyl chloride (PVC) pipe and preparation technology thereof |
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| CN106633522A (en) * | 2016-12-21 | 2017-05-10 | 苏州劲元油压机械有限公司 | High-strength and corrosion-resistant plastic and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103304934A (en) * | 2013-07-03 | 2013-09-18 | 南阳森源塑胶有限公司 | PVC (Polyvinyl Chloride) water discharge tube material and preparation method thereof |
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| CN105802078A (en) * | 2016-04-29 | 2016-07-27 | 黄宇松 | High-strength polyvinyl chloride (PVC) pipe and preparation technology thereof |
| CN106589699A (en) * | 2016-12-16 | 2017-04-26 | 安徽华宇管道制造有限公司 | Graphene coating glass fiber reinforced and modified PVC tube special for coal mine well and manufacture method thereof |
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| CN111763389A (en) * | 2020-06-10 | 2020-10-13 | 安徽博泰塑业科技有限公司 | PVC-U drainage pipe and preparation method thereof |
| CN112026130A (en) * | 2020-08-22 | 2020-12-04 | 苏州市金来达科技有限公司 | Special process method and production equipment for producing PSU (polymer reinforced plastic) pipe |
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Application publication date: 20170926 |