CN1438111A - Method for making double-axial hard polyvinyl chloride tubular material - Google Patents
Method for making double-axial hard polyvinyl chloride tubular material Download PDFInfo
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- CN1438111A CN1438111A CN03117548A CN03117548A CN1438111A CN 1438111 A CN1438111 A CN 1438111A CN 03117548 A CN03117548 A CN 03117548A CN 03117548 A CN03117548 A CN 03117548A CN 1438111 A CN1438111 A CN 1438111A
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- biaxial orientation
- polyethylene pipe
- hard polyethylene
- pipe
- polyvinyl chloride
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Abstract
The production method of biaxial oriented hard polyvinyl chloride pipe material includes: using 100 portions of polyvinyl chloride, 2-6 portions of stabilizing agent, 1-12 portions of toughening agent, 0.1-1.5 portions of lubricating agent, 5-15 portions of filling material and proper quantity of colouring matter and adding them into a high-speed mixing machine, mixing them at 100-120 deg.C for 20-40 min., discharging, sieving, removing block and viscous melt material to obtain hard polyvinyl chloride premixed powder material, adding said mixture material into extrude single screw or extruder twin screw to make continuous forming at 100-180 deg.C, then making the obtained material undergo the processes of extruding pipe blank, stretching orientation, heating to 100-120 deg.C to implement radial expansion, forming, cooling, drawing and cutting.
Description
One, technical field
The present invention relates to a kind of manufacture method of biaxial orientation hard polyethylene pipe, belong to the forming polymer manufacture field.
Two, background technology
United States Patent (USP) U.S6296804, disclose a kind of utilize traction and laterally gas flaring make the method for biaxial orientation plastic tube, this patent is after tubing is by the extruder extrusion neck ring mold, through typing cooling, traction carry, to outer pipe wall heating, fastening; Inwall feeds hot compressed air or hot pressing oil, exerts pressure under the inwall sealing, lateral magnification; Draw, obtain longitudinal stretching at a high speed at secondary, finalize the design then, cool off, form longitudinal and transverse biaxial tension plastic pipe.The defective of this patented technology is that the plastics firing rate is slow, and production efficiency is low; Next is that horizontal expansion needs accurately control air pressure or oil pressure, and regulation and control are difficulty comparatively; The 3rd is that the pipe material inner wall friction causes wearing and tearing, and there are problems such as pipe material inner wall pollution in the expansion of hot pressing oil.
Three, summary of the invention
The objective of the invention is to provide a kind of manufacture method of biaxial orientation hard polyethylene pipe at the deficiencies in the prior art, be characterized in adopting the expansion of core rod rotating head and conic mandrel bar, prevented stagnant material phenomenon and the with serious pollution problem of pipe material inner wall effectively.
Purpose of the present invention is realized that by following technical measures wherein said raw material umber is parts by weight except that specified otherwise.
The manufacture method of biaxial orientation hard polyethylene pipe:
1, with 100 parts of polyvinyl chloride, 2～6 parts of stabilizing agents, 1～12 part of flexibilizer, 0.1～1.5 part of lubricant, 5～15 parts of fillers and pigment add in the high-speed mixer in right amount, in 100～120 ℃ of temperature, mixing 20～40 minutes, discharging, the input cold mixer is cooled to 40 ℃ of temperature with bottom discharge while mixing, sieve, remove caking and sticking melt, obtain the RPVC premix powders.
2, add in single screw extrusion machine or the double screw extruder premix powders of above-mentioned RPVC continuously shaped, forming temperature is: 100～140 ℃ of feeding section barrel zone temperatures, 170～190 ℃ of fusing section barrel zone temperatures, 160～180 ℃ of metering section barrel zone temperatures, extrude pipe via the mouth mould then and be subjected to the draw-gear effect to realize that axial tension is orientated, enter the typing subsidiary engine, heat through heating cabinet, the temperature inside the box is 100～120 ℃, enter pipe expander subsequently and realize radial dilatation, finalize the design through pressure roller again, cooling, traction, conventional treatment such as cutting obtain biaxial orientation hard polyethylene pipe product.
Stabilizing agent is at least a in tribasic lead sulfate, dibasic lead stearate, lead stearate and/or the organotin.
Flexibilizer is at least a in esters of acrylic acid, haloflex and/or the acrylic acid-BS.
Lubricant is at least a in paraffin, Tissuemat E and/or the stearic acid.
Filler is at least a in precipitated calcium carbonate, powdered whiting, superfine glass microballon and/or the talcum powder.
Pigment is at least a in carbon black, titanium dioxide, bronze, chrome yellow, phthalocyanine blue, phthalein viridescent, lemon yellow, molybdate red and the iron oxide red.
The used extruder of the manufacture method of biaxial orientation hard polyethylene pipe is any in gradation type single screw extrusion machine, parallel Heterodromy double-screw extruder or the taper Heterodromy double-screw extruder.
The former of the extruder of the manufacture method of biaxial orientation hard polyethylene pipe is the core rod rotating head.
The present invention has following advantage:
1, the radial dilatation of tubing is to adopt the extremely smooth conic mandrel bar in surface to realize, axial tension then is by adjusting recently realizing of hauling machine and extruder rate of extrusion.
2, adopt conic mandrel bar to realize the plastic pipe radial dilatation, have size accurately, produce stablely, lasting, overcome the pollution problem in the tube wall that the expansion of air pressure and oil pressure brings.
3, during tubing through port mould, be cooled near carrying out axle, radial drawing temperature through being connected in mouthful calibration sleeve at mould place, heating cabinet can adopt infrared ray heating, resistance air blast heating and electrical induction, whole thickness of pipe wall evenly is incubated to the suitable tensile temperature, guarantees that drawing pipe efficient height, quality are good.
4, orientation back tubing enters spray cooling device and makes rapid cooling and shaping, thereby can increase substantially production efficiency by felt wrapped roll.
5, adopt the conic mandrel bar of different-diameter, can satisfy the needs of pvc tube material forming of the two-way expansion of different-diameter.
Four, description of drawings
Fig. 1 is for making the device schematic diagram of biaxial orientation hard polyethylene pipe.
Fig. 2 is for making the rotating head schematic diagram of biaxial orientation hard polyethylene pipe extruder.
1 head, 2 insulating boxs, 3 support bars, 4 expansion body, 5 felt wrapped rolls, 6 spray throwers, 7 hauling machines, 8 extruder connected bodies, 9 plug whirligigs, 10 plugs, 11 handpiece bodies, 12 tube walls are regulated pressure ring, 13 calibration sleeves, 14 coolant jackets.
The device of manufacturing biaxial orientation hard polyethylene pipe such as Fig. 1 are as showing, RPVC is extruded, entered felt wrapped roll 5, spray thrower 6, hauling machine 7 to the cutting stacking adapter through insulating box 2, support bar 3, expansion body 4 from head 1.
The rotating head of manufacturing biaxial orientation hard polyethylene pipe extruder as shown in Figure 2, extruder is connected with extruder connected body 8, plug whirligig 9 is connected with plug 10, handpiece body 11 and tube wall are regulated between pressure ring 12, the sizing 13 and are formed passage, and hard polyethylene pipe enters in the insulating box 2 of Fig. 1 behind coolant jacket 14 initial shapings.
Five, the specific embodiment
Below by embodiment the present invention is specifically described; be necessary to be pointed out that at this present embodiment only is used for the present invention is further specified; but can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment according to the content of the invention described above.
Embodiment 1:
With 100 kilograms of polyvinyl chloride, 3 kilograms of tribasic lead sulfates, 1.6 kilograms of acrylate, 0.8 kilogram in paraffin, 0.3 kilogram of 6 kilograms of precipitated calcium carbonates and pigment, add in the high-speed mixer, in 110 ℃ of temperature, mixing 25 minutes, discharging, the input cold mixer, be cooled to 40 ℃ of temperature while mixing with bottom discharge, sieve, remove caking and sticking melt, obtain the RPVC powder.Add in the gradation type single screw extrusion machine compound of above-mentioned RPVC continuously shaped, forming temperature: 120 ℃ of feeding section barrel zone temperatures, 175 ℃ of fusing section barrel zone temperatures, metering section barrel zone temperature to 165 ℃, extrude pipe via the mouth mould then and be subjected to the draw-gear effect to realize that axial tension is orientated, enter the typing subsidiary engine, heat through heating cabinet again, the temperature inside the box is 100～110 ℃, enter pipe expander subsequently and realize radial dilatation, through conventional treatment such as pressure roller typing, cooling, traction, cuttings, obtain biaxial orientation hard polyethylene pipe product again.
Embodiment 2:
With 100 kilograms of polyvinyl chloride, 3 kilograms of dibasic lead stearates, 1.5 kilograms of haloflexes, 0.8 kilogram of Tissuemat E, 0.3 kilogram of 8 kilograms of powdered whitings and pigment, add in the high-speed mixer, in 120 ℃ of temperature, mixing 25 minutes, discharging, the input cold mixer, be cooled to 40 ℃ of temperature while mixing with bottom discharge, sieve, remove caking and sticking melt, obtain the RPVC powder.Compound with above-mentioned RPVC adds in the parallel Heterodromy double-screw extruder continuously shaped again, forming temperature: 125 ℃ of feeding section barrel zone temperatures, 180 ℃ of fusing section barrel zone temperatures, 170 ℃ of metering section barrel zone temperatures, extrude pipe via the mouth mould then and be subjected to the draw-gear effect to realize that axial tension is orientated, enter the typing subsidiary engine, infrared ray through heating cabinet heats again, the temperature inside the box is 110～115 ℃, enter pipe expander subsequently and realize radial dilatation, finalize the design through pressure roller again, cooling, traction, conventional treatment such as cutting obtain biaxial orientation hard polyethylene pipe product.
Embodiment 3:
With 100 kilograms of polyvinyl chloride, 0.5 kilogram of lead stearate, 2.5 kilograms of acrylic acid-BSs, 3 kilograms of organotins, 0.3 kilogram of 8 kilograms of talcum powder and pigment, add in the high-speed mixer, in 100～120 ℃ of temperature, mixing 30 minutes, discharging, the input cold mixer, be cooled to 40 ℃ of temperature while mixing with bottom discharge, sieve, remove caking and sticking melt, obtain the RPVC powder.Compound with above-mentioned RPVC adds in the taper Heterodromy double-screw extruder continuously shaped again, forming temperature: 130 ℃ of feeding section barrel zone temperatures, 185 ℃ of fusing section barrel zone temperatures, 175 ℃ of metering section barrel zone temperatures, extrude pipe via the mouth mould then and be subjected to the draw-gear effect to realize that axial tension is orientated, enter the typing subsidiary engine, infrared ray through heating cabinet heats again, the temperature inside the box is 100～120 ℃, enter pipe expander subsequently and realize radial dilatation, finalize the design through pressure roller again, cooling, traction, conventional treatment such as cutting obtain biaxial orientation hard polyethylene pipe product.
Claims (7)
1, a kind of manufacture method of biaxial orientation hard polyethylene pipe is characterized in that:
(1) with polyvinyl chloride 100 weight portion, stabilizing agent 2～6 weight portions, flexibilizer 1～12 weight portion, lubricant 0.1～1.5 weight portion, filler 5～15 weight portions and pigment add in the high-speed mixer in right amount, in mixing 20～40 minutes of 100～120 ℃ of temperature, discharging, the input cold mixer, be cooled to 40 ℃ of temperature while mixing with bottom discharge, sieve, remove caking and sticking melt, obtain the RPVC premix powders
(2) premix powders with above-mentioned RPVC adds in single screw extrusion machine or the double screw extruder continuously shaped, forming temperature is: 100～140 ℃ of feeding section barrel zone temperatures, 170～190 ℃ of fusing section barrel zone temperatures, 160～180 ℃ of metering section machine barrels, extrude pipe via the mouth mould then and be subjected to the draw-gear effect to realize that axial tension is orientated, enter the typing subsidiary engine, heat through heating cabinet, the temperature inside the box is 100～120 ℃, enter pipe expander subsequently and realize radial dilatation, finalize the design through pressure roller again, cooling, traction, conventional treatment such as cutting obtain biaxial orientation hard polyethylene pipe product.
2,, it is characterized in that stabilizing agent is at least a in tribasic lead sulfate, dibasic lead stearate, lead stearate and/or the organotin according to the manufacture method of the described biaxial orientation hard polyethylene pipe of claim 1.
3,, it is characterized in that flexibilizer is at least a in esters of acrylic acid, haloflex and/or the acrylic acid-BS according to the manufacture method of the described biaxial orientation hard polyethylene pipe of claim 1.
4,, it is characterized in that lubricant is at least a in paraffin, Tissuemat E and/or the stearic acid according to the manufacture method of the described biaxial orientation hard polyethylene pipe of claim 1.
5,, it is characterized in that filler is at least a in precipitated calcium carbonate, powdered whiting, superfine glass microballon and/or the talcum powder according to the manufacture method of the described biaxial orientation hard polyethylene pipe of claim 1.
6,, it is characterized in that extruder is the single screw extrusion machine of gradation type screw extruder, parallel Heterodromy double-screw extruder or taper Heterodromy double-screw extruder according to the equipment of the described manufacturing biaxial orientation of claim 1～5 hard polyethylene pipe.
7, according to the equipment of the described manufacturing biaxial orientation of claim 6 hard polyethylene pipe, the former that it is characterized in that extruder is the core rod rotating head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031175481A CN1186183C (en) | 2003-03-27 | 2003-03-27 | Method for making double-axial hard polyvinyl chloride tubular material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031175481A CN1186183C (en) | 2003-03-27 | 2003-03-27 | Method for making double-axial hard polyvinyl chloride tubular material |
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| CN1438111A true CN1438111A (en) | 2003-08-27 |
| CN1186183C CN1186183C (en) | 2005-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031175481A Expired - Fee Related CN1186183C (en) | 2003-03-27 | 2003-03-27 | Method for making double-axial hard polyvinyl chloride tubular material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205637A (en) * | 2011-04-15 | 2011-10-05 | 天津中财型材有限责任公司 | Equipment and process for producing biaxially-oriented polyvinyl chloride pipe material |
| CN104017310A (en) * | 2014-06-20 | 2014-09-03 | 福建博大塑业新材料有限公司 | Biaxial orientation polyvinyl chloride pipe and preparation method thereof |
| CN104844960A (en) * | 2015-01-14 | 2015-08-19 | 无锡龙舜实业有限公司 | Manufacturing process of directly buried PVC pipe |
| CN106867143A (en) * | 2017-03-01 | 2017-06-20 | 保定市力达塑业有限公司 | A kind of biaxially orienting polyvinyl chloride tubing and preparation method thereof |
| CN106916393A (en) * | 2017-04-18 | 2017-07-04 | 辽宁程威塑料型材有限公司 | A kind of production method of pulling-on piece sleeve pipe |
| CN110621474A (en) * | 2017-03-30 | 2019-12-27 | Sabic环球技术有限责任公司 | Method for modifying and joining oriented pipes |
| CN111138784A (en) * | 2019-12-30 | 2020-05-12 | 宜宾天亿新材料科技有限公司 | CPVC prefabricated pipe for biaxial orientation and production method thereof, CPVC-O pipe and production method thereof |
| CN113071125A (en) * | 2021-03-01 | 2021-07-06 | 江苏远通塑胶制品有限公司 | Preparation method of high-performance PVC-O pipe |
| CN115124794A (en) * | 2022-08-01 | 2022-09-30 | 江苏贝尔机械有限公司 | Biaxially oriented polyvinyl chloride pipe and preparation method thereof |
-
2003
- 2003-03-27 CN CNB031175481A patent/CN1186183C/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205637B (en) * | 2011-04-15 | 2013-05-08 | 天津中财型材有限责任公司 | Equipment and process for producing biaxially-oriented polyvinyl chloride pipe material |
| CN102205637A (en) * | 2011-04-15 | 2011-10-05 | 天津中财型材有限责任公司 | Equipment and process for producing biaxially-oriented polyvinyl chloride pipe material |
| CN104017310A (en) * | 2014-06-20 | 2014-09-03 | 福建博大塑业新材料有限公司 | Biaxial orientation polyvinyl chloride pipe and preparation method thereof |
| CN104017310B (en) * | 2014-06-20 | 2016-08-24 | 福建博大塑业新材料有限公司 | A kind of biaxially orienting polyvinyl chloride pipe and preparation method thereof |
| CN104844960A (en) * | 2015-01-14 | 2015-08-19 | 无锡龙舜实业有限公司 | Manufacturing process of directly buried PVC pipe |
| CN106867143B (en) * | 2017-03-01 | 2019-05-17 | 保定市力达塑业有限公司 | A kind of biaxially orienting polyvinyl chloride tubing and preparation method thereof |
| CN106867143A (en) * | 2017-03-01 | 2017-06-20 | 保定市力达塑业有限公司 | A kind of biaxially orienting polyvinyl chloride tubing and preparation method thereof |
| CN110621474A (en) * | 2017-03-30 | 2019-12-27 | Sabic环球技术有限责任公司 | Method for modifying and joining oriented pipes |
| CN110621474B (en) * | 2017-03-30 | 2021-06-29 | Sabic环球技术有限责任公司 | Method for modifying and joining oriented pipes |
| US11396124B2 (en) | 2017-03-30 | 2022-07-26 | Sabic Global Technologies B.V. | Process for modifying and joining oriented pipes |
| US11992997B2 (en) | 2017-03-30 | 2024-05-28 | Sabic Global Technologies B.V. | Biaxially oriented pipe with a thickened end portion |
| CN106916393A (en) * | 2017-04-18 | 2017-07-04 | 辽宁程威塑料型材有限公司 | A kind of production method of pulling-on piece sleeve pipe |
| CN111138784A (en) * | 2019-12-30 | 2020-05-12 | 宜宾天亿新材料科技有限公司 | CPVC prefabricated pipe for biaxial orientation and production method thereof, CPVC-O pipe and production method thereof |
| CN111138784B (en) * | 2019-12-30 | 2021-09-28 | 宜宾天亿新材料科技有限公司 | CPVC prefabricated pipe for biaxial orientation and production method thereof, CPVC-O pipe and production method thereof |
| CN113071125A (en) * | 2021-03-01 | 2021-07-06 | 江苏远通塑胶制品有限公司 | Preparation method of high-performance PVC-O pipe |
| CN113071125B (en) * | 2021-03-01 | 2023-02-28 | 江苏远通塑胶制品有限公司 | Preparation method of high-performance PVC-O pipe |
| CN115124794A (en) * | 2022-08-01 | 2022-09-30 | 江苏贝尔机械有限公司 | Biaxially oriented polyvinyl chloride pipe and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1186183C (en) | 2005-01-26 |
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Granted publication date: 20050126 Termination date: 20130327 |