CN106243552A - A kind of PVC O reducer pipe production technology - Google Patents

A kind of PVC O reducer pipe production technology Download PDF

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Publication number
CN106243552A
CN106243552A CN201610606346.5A CN201610606346A CN106243552A CN 106243552 A CN106243552 A CN 106243552A CN 201610606346 A CN201610606346 A CN 201610606346A CN 106243552 A CN106243552 A CN 106243552A
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CN
China
Prior art keywords
pvc
tubing
production technology
reducer pipe
pipe production
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610606346.5A
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Chinese (zh)
Inventor
李建雄
王志斌
姚红彬
刘建民
金长在
范声强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEBEI BOSOAR PIPE CO Ltd
Original Assignee
HEBEI BOSOAR PIPE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HEBEI BOSOAR PIPE CO Ltd filed Critical HEBEI BOSOAR PIPE CO Ltd
Priority to CN201610606346.5A priority Critical patent/CN106243552A/en
Publication of CN106243552A publication Critical patent/CN106243552A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
    • B29C55/26—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes biaxial
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (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 invention discloses a kind of PVC O reducer pipe production technology, by PVC resin: 100, calcium carbonate: 30 35, Ca/Zn complex stabilizer: 35, CPE:6 8, ACR:6 8, stearic acid: 0.6 1, paraffin: 2.5 3, sulfur alcohol and carboxylic acid organotin: 2.5 3, pigment: 0.1；Extruded machine, biaxial orientation and dilate body produce PVC O reducer pipe.The present invention, by adjusting air pressure within hauling speed, tubing temperature, tubing, dilating the parameters such as degree, can be biaxially oriented processing to the tubing of different material, can meet the needs of the tube forming of different material, therefore can be widely used；The production technology of the present invention makes the molecule of tubing be changed into ordered arrangement from lack of alignment in terms of raw material, in terms of production stage, and the change of molecularly oriented brings the intensity of tubing and the substantive improvement of toughness, can be greatly enhanced intensity and the toughness of tubing；The present invention is drawn through and dilates body, and the two ends diameter making PVC O tubing is different, and range is wider.

Description

A kind of PVC-O reducer pipe production technology
Technical field
The present invention relates to PVC-O pipe field, particularly relate to a kind of PVC-O reducer pipe production technology.
Background technology
PVC tubing is due to advantages such as its high-modulus, high intensity and lower prices, so always whole world application amount is Big plastic duct system, is widely used in a lot of fields of modern society.China's plastic conduit industry development Rapidly, have become as world's plastic conduit produce and apply one of big country.But PVC tubing there is also some shortcomings: its Heat-resisting quantity is bad, and working in hotter environment is easily deformed, and should not be used in hot water pipeline；Toughness and intensity are relatively low, resist and open Split impact property poor.
At present, a lot of high molecular polymers make the regular arrangement of its molecule by orientation processing, can improve its property significantly Energy.Biaxially orienting polyvinyl chloride (PVC-O) tubing is the tubing manufactured by special orientation processing technique, this processing technique It is that the PVC-U tubing using extrusion method to produce is carried out axial tension and radial drawing, makes the PVC long-chain in tubing divide Son is in the most regular arrangement, it is thus achieved that high intensity, high tenacity, high-impact, the novel PVC tubing of resisting fatigue, performance is much better than Common PVC-U tubing.
So PVC-O tubing is more widely applied, now it is badly in need of the production technology of a kind of PVC-O reducer pipe to produce The PVC-O pipe of caliber change adapts to the wider array of scope of application.
Summary of the invention
It is an object of the invention to provide that a kind of intensity is higher, toughness more preferably, shock resistance, resisting fatigue PVC-O reducer pipe raw Production. art, to adapt to wider application scope.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
One PVC-O reducer pipe production technology of the present invention, includes following steps:
Step one: prepare corresponding weight raw material (unit is: kg),
PVC resin: 100
Calcium carbonate: 30-35
Ca/Zn complex stabilizer: 3-5
CPE: 6-8
ACR: 6-8
Stearic acid: 0.6-1
Paraffin: 2.5-3
Sulfur alcohol and carboxylic acid organotin: 2.5-3
Pigment: 0.1；
Step 2: by polyvinyl chloride resin and the additive of deal corresponding in step one, successively adds in high-speed mixer, through material with Machinery self-friction, makes material be warming up to 45-50 degree；
Step 3: the material of step 2 is delivered to extruder extrusion；Extruder, equipped with dosing device, makes extrusion capacity and charging Amount can be mated, it is ensured that goods steady extruding；Conical screw, feeding section is relatively large in diameter, and is beneficial to plasticizing, and screw rod rotates in machine barrel Time, by PVC compound plasticizing pusher to head, thus reach compacting, melted, mixing, homogenizing and realize aerofluxus dehydration, entering mould Head, then be compacted, melt, mixing, homogenizing, extrusion PVC；
Step 4: traction machine is drawn cooling down hardening tubing at cross-head continuously and automatically, through dilating body Type, enters back into Vacuum shaping water tank cooling and shaping, then is drawn from dilating body by the tubing shaped continuously and automatically through traction machine Go out；
Step 5: by the tubing cutting after cooling；
Step 6: the product after cutting is put into and checks whether product has substandard products in inspection equipment；
Step 7: by product packaging warehouse-in qualified for inspection.
Further, the raw material in step one according to following weight portion (unit is: kg),
PVC resin: 100
Calcium carbonate: 33
Ca/Zn complex stabilizer: 4
CPE:7
ACR:7
Stearic acid: 0.8
Paraffin: 2.8
Sulfur alcohol and carboxylic acid organotin: 2.8
Pigment: 0.1.
Further, the mixing time in described step 2 is 0.5-1h.
Further, equipped with mobile device all around on the sizing of the vacuum cooled in step 4 water tank.
Compared with prior art, the Advantageous Effects of the present invention is as follows:
The present invention, can be to difference by adjusting air pressure within hauling speed, tubing temperature, tubing, dilating the parameters such as degree The tubing of raw material is biaxially oriented processing, can meet the needs of the tube forming of different material, therefore can obtain widely Application；The production technology of the present invention makes the molecule of tubing be changed in order from lack of alignment in terms of raw material, in terms of production stage Arrangement, the change of molecularly oriented brings the substantive improvement of the intensity of tubing and toughness, can be greatly enhanced tubing intensity and Toughness；The present invention is drawn through and dilates body, and the two ends diameter making PVC-O tubing is different, and range is wider.
Detailed description of the invention
The first specific embodiment, step one: prepare corresponding weight raw material (unit is: kg), PVC resin: 100, Calcium carbonate: 30, Ca/Zn complex stabilizer: 3, CPE: 6, ACR: 6, stearic acid: 0.6, paraffin: 2.5, sulfur alcohol and carboxylic acid Organotin: 2.5, pigment: 0.1；
Step 2: by polyvinyl chloride resin and the additive of deal corresponding in step one, successively adds in high-speed mixer, through material with Machinery self-friction, makes material be warming up to 45 degree, stirs 0.5h；
Step 3: the material of step 2 is delivered to extruder extrusion；Extruder, equipped with dosing device, makes extrusion capacity and charging Amount can be mated, it is ensured that goods steady extruding；Conical screw, feeding section is relatively large in diameter, and is beneficial to plasticizing, and screw rod rotates in machine barrel Time, by PVC compound plasticizing pusher to head, thus reach compacting, melted, mixing, homogenizing and realize aerofluxus dehydration, entering mould Head, then be compacted, melt, mixing, homogenizing, extrusion PVC；
Step 4: traction machine is drawn cooling down hardening tubing at cross-head continuously and automatically, through dilating body Type, enters back into Vacuum shaping water tank cooling and shaping, equipped with mobile device all around on sizing water tank, makes sizing water tank to fit Should the cooling of difform extruding pipe, sizing；Continuously and automatically the tubing shaped is drawn from dilating body through traction machine again Go out；
Step 5: by the tubing cutting after cooling；
Step 6: the product after cutting is put into and checks whether product has substandard products in inspection equipment；
Step 7: by product packaging warehouse-in qualified for inspection.
The second specific embodiment, step one: prepare corresponding weight raw material (unit is: kg), PVC resin: 100, Calcium carbonate: 33, Ca/Zn complex stabilizer: 4, CPE: 7, ACR: 7, stearic acid: 0.8, paraffin: 2.8, sulfur alcohol and carboxylic acid Organotin: 2.8, pigment: 0.1；
Step 2: by polyvinyl chloride resin and the additive of deal corresponding in step one, successively adds in high-speed mixer, through material with Machinery self-friction, makes material be warming up to 48 degree, stirs 0.8h；
Step 3: the material of step 2 is delivered to extruder extrusion；Extruder, equipped with dosing device, makes extrusion capacity and charging Amount can be mated, it is ensured that goods steady extruding；Conical screw, feeding section is relatively large in diameter, and is beneficial to plasticizing, and screw rod rotates in machine barrel Time, by PVC compound plasticizing pusher to head, thus reach compacting, melted, mixing, homogenizing and realize aerofluxus dehydration, entering mould Head, then be compacted, melt, mixing, homogenizing, extrusion PVC；
Step 4: traction machine is drawn cooling down hardening tubing at cross-head continuously and automatically, through dilating body Type, enters back into Vacuum shaping water tank cooling and shaping, equipped with mobile device all around on sizing water tank, makes sizing water tank to fit Should the cooling of difform extruding pipe, sizing；Continuously and automatically the tubing shaped is drawn from dilating body through traction machine again Go out；
Step 5: by the tubing cutting after cooling；
Step 6: the product after cutting is put into and checks whether product has substandard products in inspection equipment；
Step 7: by product packaging warehouse-in qualified for inspection.
The third specific embodiment, step one: prepare corresponding weight raw material (unit is: kg), PVC resin: 100, Calcium carbonate: 35, Ca/Zn complex stabilizer: 5, CPE: 8, ACR: 8, stearic acid: 1, paraffin: 3, sulfur alcohol and carboxylic acid is organic Stannum: 3, pigment: 0.1；
Step 2: by polyvinyl chloride resin and the additive of deal corresponding in step one, successively adds in high-speed mixer, through material with Machinery self-friction, makes material be warming up to 50 degree, stirs 1h；
Step 3: the material of step 2 is delivered to extruder extrusion；Extruder, equipped with dosing device, makes extrusion capacity and charging Amount can be mated, it is ensured that goods steady extruding；Conical screw, feeding section is relatively large in diameter, and is beneficial to plasticizing, and screw rod rotates in machine barrel Time, by PVC compound plasticizing pusher to head, thus reach compacting, melted, mixing, homogenizing and realize aerofluxus dehydration, entering mould Head, then be compacted, melt, mixing, homogenizing, extrusion PVC；
Step 4: traction machine is drawn cooling down hardening tubing at cross-head continuously and automatically, through dilating body Type, enters back into Vacuum shaping water tank cooling and shaping, equipped with mobile device all around on sizing water tank, makes sizing water tank to fit Should the cooling of difform extruding pipe, sizing；Continuously and automatically the tubing shaped is drawn from dilating body through traction machine again Go out；
Step 5: by the tubing cutting after cooling；
Step 6: the product after cutting is put into and checks whether product has substandard products in inspection equipment；
Step 7: by product packaging warehouse-in qualified for inspection.
Embodiment described above is only that the optimal way to the present invention is described, and not carries out the scope of the present invention Limiting, on the premise of designing spirit without departing from the present invention, technical scheme is made by those of ordinary skill in the art Various deformation and improvement, all should fall in the protection domain that claims of the present invention determines.

Claims (4)

1. a PVC-O reducer pipe production technology, it is characterised in that include following steps:
Step one: prepare corresponding weight raw material (unit is: kg),
PVC resin: 100
Calcium carbonate: 30-35
Ca/Zn complex stabilizer: 3-5
CPE:6-8
ACR:6-8
Stearic acid: 0.6-1
Paraffin: 2.5-3
Sulfur alcohol and carboxylic acid organotin: 2.5-3
Pigment: 0.1；
Step 2: by polyvinyl chloride resin and the additive of deal corresponding in step one, successively adds in high-speed mixer, through material with Machinery self-friction, makes material be warming up to 45-50 degree；
Step 3: the material of step 2 is delivered to extruder extrusion；Extruder, equipped with dosing device, makes extrusion capacity and charging Amount can be mated, it is ensured that goods steady extruding；Conical screw, feeding section is relatively large in diameter, and is beneficial to plasticizing, and screw rod rotates in machine barrel Time, by PVC compound plasticizing pusher to head, thus reach compacting, melted, mixing, homogenizing and realize aerofluxus dehydration, entering mould Head, then be compacted, melt, mixing, homogenizing, extrusion PVC；
Step 4: traction machine is drawn cooling down hardening tubing at cross-head continuously and automatically, through dilating body Type, enters back into Vacuum shaping water tank cooling and shaping, then is drawn from dilating body by the tubing shaped continuously and automatically through traction machine Go out；
Step 5: by the tubing cutting after cooling；
Step 6: the product after cutting is put into and checks whether product has substandard products in inspection equipment；
Step 7: by product packaging warehouse-in qualified for inspection.
PVC-O reducer pipe production technology the most according to claim 1, it is characterised in that: the raw material in step one according under Row weight portion (unit is: kg),
PVC resin: 100
Calcium carbonate: 33
Ca/Zn complex stabilizer: 4
CPE:7
ACR:7
Stearic acid: 0.8
Paraffin: 2.8
Sulfur alcohol and carboxylic acid organotin: 2.8
Pigment: 0.1.
PVC-O reducer pipe production technology the most according to claim 1, it is characterised in that: during stirring in described step 2 Between be 0.5-1h.
PVC-O reducer pipe production technology the most according to claim 1, it is characterised in that: the vacuum cooled in step 4 is fixed Equipped with mobile device all around on type water tank.
CN201610606346.5A 2016-07-29 2016-07-29 A kind of PVC O reducer pipe production technology Pending CN106243552A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610606346.5A CN106243552A (en) 2016-07-29 2016-07-29 A kind of PVC O reducer pipe production technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610606346.5A CN106243552A (en) 2016-07-29 2016-07-29 A kind of PVC O reducer pipe production technology

Publications (1)

Publication Number Publication Date
CN106243552A true CN106243552A (en) 2016-12-21

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CN201610606346.5A Pending CN106243552A (en) 2016-07-29 2016-07-29 A kind of PVC O reducer pipe production technology

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108276701A (en) * 2018-02-02 2018-07-13 陕西甘霖实业有限公司 A kind of PVC pipe production technology
CN112679885A (en) * 2020-12-25 2021-04-20 湖北金牛管业有限公司 Antibacterial and antistatic PVCO drinking water pipe and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101670664A (en) * 2009-10-19 2010-03-17 杭州波达塑料科技股份有限公司 Production process for biaxially orienting polyvinyl chloride pressure-bearing pipe material on line

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101670664A (en) * 2009-10-19 2010-03-17 杭州波达塑料科技股份有限公司 Production process for biaxially orienting polyvinyl chloride pressure-bearing pipe material on line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108276701A (en) * 2018-02-02 2018-07-13 陕西甘霖实业有限公司 A kind of PVC pipe production technology
CN112679885A (en) * 2020-12-25 2021-04-20 湖北金牛管业有限公司 Antibacterial and antistatic PVCO drinking water pipe and preparation method thereof

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Application publication date: 20161221