CN108003504A - A kind of preparation process of polyvinyl chloride resin engineering plastic materials and its application - Google Patents
A kind of preparation process of polyvinyl chloride resin engineering plastic materials and its application Download PDFInfo
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Abstract
Preparation process and its application the invention discloses a kind of polyvinyl chloride resin engineering plastic materials, this method is used Corvic, it is dry in blast drier after water-based acrylic resin mixing, drying composite is added in mixer again, then neopentylglycol diacrylate is added, hydroxypropyl methyl cellulose, nanmeter antimong trioxide carries out mixing, then mixing product is added into reaction kettle reaction, it is re-fed into double screw extruder extruding pelletization, cooling and dicing, obtain plastic master batch, grind into powder after finally plastic master batch is dried, add in kneading machine and be kneaded with ethyl acetate solution again, finished-product material is prepared through single screw rod inflation film manufacturing machine blown film.The engineering plastic materials being prepared, its high mechanical strength, good insulation preformance, have a good application prospect in Plastic valve, pipe fitting product is prepared.
Description
Technical field
The present invention relates to this technical field of plastic material, is related specifically to a kind of system of polyvinyl chloride resin engineering plastic materials
Standby technique and its application.
Background technology
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the function such as overflow pressure relief.Tubing is mainly used as tap water supply system pipe arrangement, draining, exhaust and the blowdown health of building construction
Pipe, subsoil drain system, rain pipe and electric wire install matched penetration pipe etc..In architectural engineering, tubing and valve
Need to coordinate and install and use, be one group of inseparable device.
Traditional valve, tubing are mainly made of metal material.Metal material is past in the case where meeting mechanical strength
Toward there is the problems such as such as heavier mass, easy burn into heavy metal osmosis pollution.The appearance of plastic pipe and Plastic valve,
Part solves the above problem.Plastic material has energy saving compared with traditional cast iron materials, zinc-plating material, cement material etc.
Save material, environmental protection, high-strength light, corrosion-resistant, construction and repair the advantages that easy, service life is long, be widely used in building discharge
Construction industry, municipal administration, the industry such as water, town and country plumbing, city gas, electric power and cable jacket, industrial fluids conveying, agricultural irrigation
And agriculture field.However, in some particular surroundings, the service life of tubing made of plastic material and valve is often subject to
Very big influence.Meanwhile the mechanical strength of plastic material is often not ideal enough, it is impossible to bears excessive pressure, service life also can
It is affected, this just brings adverse effect to the further application of plastic material.
Engineering plastics can make engineering material and replace the plastics of metal manufacture element part etc..Engineering plastics have excellent
Comprehensive performance, rigidity is big, and creep is small, high mechanical strength, heat-resist, and electrical insulating property is good, can be in harsher chemistry, physics
Used for a long time in environment, alternative metal is used as structural timber.Engineering plastics can be divided into again general engineering plastic and
Two class of special engineering plastics.The former principal item has polyamide, makrolon, polyformaldehyde, Noryl and thermoplastic polyester
Five big general engineering plastics；The latter is primarily referred to as the heat-resisting engineering plastics up to more than 150 DEG C, and principal item has polyimides, poly-
Diphenyl sulfide, polysulfones, aromatic polyamide, polyarylate, polybenzoate, poly(aryl ether ketone), liquid crystal polymer and fluororesin etc..
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of preparation process of polyvinyl chloride resin engineering plastic materials and its answers
With this method is used the drying in blast drier after Corvic, water-based acrylic resin mixing, then will be dry mixed
Compound add mixer in, then add neopentylglycol diacrylate, hydroxypropyl methyl cellulose, nanmeter antimong trioxide into
Row mixing, then adds reaction kettle reaction by mixing product, is re-fed into double screw extruder extruding pelletization, cooling and dicing, obtains
Plastic master batch, grind into powder after finally plastic master batch is dried, then add in kneading machine and be kneaded with ethyl acetate solution, through list
Finished-product material is prepared in screw rod inflation film manufacturing machine blown film.The engineering plastic materials being prepared, its high mechanical strength, insulation performance
It is good, have a good application prospect in Plastic valve, pipe fitting product is prepared.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of preparation process of polyvinyl chloride resin engineering plastic materials, comprises the following steps：
(1) by after 50-60 parts of Corvic, the mixing of 35-45 parts of water-based acrylic resin in blast drier in
It is 60-90 minutes dry at 100-110 DEG C, obtain drying composite；
(2) drying composite obtained by step (1) is added in mixer, then adds neopentylglycol diacrylate 8-
10 parts, 7-9 parts of hydroxypropyl methyl cellulose, 3-5 parts of nanmeter antimong trioxide, carry out mixing after mixing, obtain mixing production
Thing；
(3) the mixing product obtained by step (2) is added in reaction kettle, design temperature is 140-150 DEG C, reacts 25-
35 minutes, product is sent into double screw extruder extruding pelletization after reaction, cooling and dicing, obtains plastic master batch；
(4) plastic master batch is sent into microwave dryer and carries out microwave drying, then dried plastic master batch is sent into and is ground
Grinding machine is ground, and obtains plastic powders；
(5) by the plastic powders obtained by step (4) with etc. quality concentration be 5% ethyl acetate solution add kneading machine
Middle blending, is stirred 80 minutes at 130 DEG C, and mixing speed is 250-300 revs/min, obtains being kneaded product；
(6) finished-product material is prepared through single screw rod inflation film manufacturing machine blown film in the mixing product obtained by step (5).
Preferably, the process conditions of mixing are in the step (2)：100-120 revs/min of banbury rotating speed, mixing temperature
Spend for 85 DEG C.
Preferably, microwave drying temperature is 160-170 DEG C in the step (4), and the time is 2-4 minutes.
Preferably, in the step (6) temperature in four areas of single screw rod inflation film manufacturing machine be 170 DEG C respectively, 185 DEG C, 185 DEG C with
And 170 DEG C, rotating speed is 80 revs/min.
Further, the invention also discloses the polyvinyl chloride resin engineering plastic materials to prepare Plastic valve, pipe fitting
Application in product.
Compared with prior art, the present invention its advantage is：
(1) preparation process of polyvinyl chloride resin engineering plastic materials of the invention is used Corvic, water soluble acrylic acid
It is dry in blast drier after resin mixing, then drying composite is added in mixer, then add neopentyl glycol dipropyl
Olefin(e) acid ester, hydroxypropyl methyl cellulose, nanmeter antimong trioxide carry out mixing, and mixing product then is added reaction kettle reaction,
Double screw extruder extruding pelletization is re-fed into, cooling and dicing, obtains plastic master batch, pulverizes after finally plastic master batch is dried
End, then add in kneading machine and be kneaded with ethyl acetate solution, finished-product material is prepared through single screw rod inflation film manufacturing machine blown film.Prepare and
Into engineering plastic materials, its high mechanical strength, good insulation preformance, have good in Plastic valve, pipe fitting product is prepared
Application prospect.
(2) present invention employs neopentylglycol diacrylate, hydroxypropyl methyl cellulose, nanmeter antimong trioxide, this is several
Kind raw material carries out mixing with dried hybrid resin, and effective modification has been carried out to engineering plastic materials, although these are modified
Used in the process of material be not first Application in engineering plastic materials, but be aided with corresponding after amount combination according to a certain ratio
Working process mode, increasing substantially in performance is brought to the engineering plastic materials being finally prepared, this with
Toward research in be never to report, for realize the present invention technique effect play the role of it is conclusive.
Embodiment
The technical solution of invention is described in detail with reference to specific embodiment.
Embodiment 1
(1) after 50 parts of Corvic, 35 parts of water-based acrylic resin being mixed in blast drier at 100 DEG C
It is 60 minutes dry, obtain drying composite；
(2) drying composite obtained by step (1) is added in mixer, then adds neopentylglycol diacrylate 8
Part, 7 parts of hydroxypropyl methyl cellulose, 3 parts of nanmeter antimong trioxide, carry out mixing after mixing, and 100 turns of banbury rotating speed/
Minute, mixing temperature is 85 DEG C, obtains mixing product；
(3) the mixing product obtained by step (2) being added in reaction kettle, design temperature is 140 DEG C, is reacted 25 minutes,
Product is sent into double screw extruder extruding pelletization after reaction, cooling and dicing, obtains plastic master batch；
(4) plastic master batch is sent into microwave dryer and carries out microwave drying, microwave drying temperature is 160 DEG C, and the time is 2 points
Dried plastic master batch feeding grinder, is then ground, obtains plastic powders by clock；
(5) by the plastic powders obtained by step (4) with etc. quality concentration be 5% ethyl acetate solution add kneading machine
Middle blending, is stirred 80 minutes at 130 DEG C, and mixing speed is 250 revs/min, obtains being kneaded product；
(6) finished-product material is prepared through single screw rod inflation film manufacturing machine blown film in the mixing product obtained by step (5), single screw rod is blown
The temperature in Mo Jisige areas is 170 DEG C, 185 DEG C, 185 DEG C and 170 DEG C respectively, and rotating speed is 80 revs/min.
The performance test results of obtained polyvinyl chloride resin engineering plastic materials are as shown in table 1.
Embodiment 2
(1) after 55 parts of Corvic, 40 parts of water-based acrylic resin being mixed in blast drier at 105 DEG C
It is 75 minutes dry, obtain drying composite；
(2) drying composite obtained by step (1) is added in mixer, then adds neopentylglycol diacrylate 9
Part, 8 parts of hydroxypropyl methyl cellulose, 4 parts of nanmeter antimong trioxide, carry out mixing after mixing, and 110 turns of banbury rotating speed/
Minute, mixing temperature is 85 DEG C, obtains mixing product；
(3) the mixing product obtained by step (2) being added in reaction kettle, design temperature is 145 DEG C, is reacted 30 minutes,
Product is sent into double screw extruder extruding pelletization after reaction, cooling and dicing, obtains plastic master batch；
(4) plastic master batch is sent into microwave dryer and carries out microwave drying, microwave drying temperature is 165 DEG C, and the time is 3 points
Dried plastic master batch feeding grinder, is then ground, obtains plastic powders by clock；
(5) by the plastic powders obtained by step (4) with etc. quality concentration be 5% ethyl acetate solution add kneading machine
Middle blending, is stirred 80 minutes at 130 DEG C, and mixing speed is 275 revs/min, obtains being kneaded product；
(6) finished-product material is prepared through single screw rod inflation film manufacturing machine blown film in the mixing product obtained by step (5), single screw rod is blown
The temperature in Mo Jisige areas is 170 DEG C, 185 DEG C, 185 DEG C and 170 DEG C respectively, and rotating speed is 80 revs/min.
The performance test results of obtained polyvinyl chloride resin engineering plastic materials are as shown in table 1.
Embodiment 3
(1) after 60 parts of Corvic, 45 parts of water-based acrylic resin being mixed in blast drier at 110 DEG C
It is 90 minutes dry, obtain drying composite；
(2) drying composite obtained by step (1) is added in mixer, then adds neopentylglycol diacrylate 10
Part, 9 parts of hydroxypropyl methyl cellulose, 5 parts of nanmeter antimong trioxide, carry out mixing after mixing, and 120 turns of banbury rotating speed/
Minute, mixing temperature is 85 DEG C, obtains mixing product；
(3) the mixing product obtained by step (2) being added in reaction kettle, design temperature is 150 DEG C, is reacted 35 minutes,
Product is sent into double screw extruder extruding pelletization after reaction, cooling and dicing, obtains plastic master batch；
(4) plastic master batch is sent into microwave dryer and carries out microwave drying, microwave drying temperature is 170 DEG C, and the time is 4 points
Dried plastic master batch feeding grinder, is then ground, obtains plastic powders by clock；
(5) by the plastic powders obtained by step (4) with etc. quality concentration be 5% ethyl acetate solution add kneading machine
Middle blending, is stirred 80 minutes at 130 DEG C, and mixing speed is 300 revs/min, obtains being kneaded product；
(6) finished-product material is prepared through single screw rod inflation film manufacturing machine blown film in the mixing product obtained by step (5), single screw rod is blown
The temperature in Mo Jisige areas is 170 DEG C, 185 DEG C, 185 DEG C and 170 DEG C respectively, and rotating speed is 80 revs/min.
The performance test results of obtained polyvinyl chloride resin engineering plastic materials are as shown in table 1.
Comparative example 1
(1) after 55 parts of Corvic, 40 parts of water-based acrylic resin being mixed in blast drier at 105 DEG C
It is 75 minutes dry, obtain drying composite；
(2) by obtained by step (1) drying composite add mixer in, then add 8 parts of hydroxypropyl methyl cellulose,
4 parts of nanmeter antimong trioxide, carries out mixing, 110 revs/min of banbury rotating speed after mixing, and mixing temperature is 85 DEG C, is obtained
Mixing product；
(3) the mixing product obtained by step (2) being added in reaction kettle, design temperature is 145 DEG C, is reacted 30 minutes,
Product is sent into double screw extruder extruding pelletization after reaction, cooling and dicing, obtains plastic master batch；
(4) plastic master batch is sent into microwave dryer and carries out microwave drying, microwave drying temperature is 165 DEG C, and the time is 3 points
Dried plastic master batch feeding grinder, is then ground, obtains plastic powders by clock；
(5) by the plastic powders obtained by step (4) with etc. quality concentration be 5% ethyl acetate solution add kneading machine
Middle blending, is stirred 80 minutes at 130 DEG C, and mixing speed is 275 revs/min, obtains being kneaded product；
(6) finished-product material is prepared through single screw rod inflation film manufacturing machine blown film in the mixing product obtained by step (5), single screw rod is blown
The temperature in Mo Jisige areas is 170 DEG C, 185 DEG C, 185 DEG C and 170 DEG C respectively, and rotating speed is 80 revs/min.
The performance test results of obtained engineering plastic materials are as shown in table 1.
Comparative example 2
(1) after 55 parts of Corvic, 40 parts of water-based acrylic resin being mixed in blast drier at 105 DEG C
It is 75 minutes dry, obtain drying composite；
(2) drying composite obtained by step (1) is added in mixer, then adds neopentylglycol diacrylate 9
Part, 4 parts of nanmeter antimong trioxide, carry out mixing, 110 revs/min of banbury rotating speed after mixing, and mixing temperature is 85 DEG C,
Obtain mixing product；
(3) the mixing product obtained by step (2) being added in reaction kettle, design temperature is 145 DEG C, is reacted 30 minutes,
Product is sent into double screw extruder extruding pelletization after reaction, cooling and dicing, obtains plastic master batch；
(4) plastic master batch is sent into microwave dryer and carries out microwave drying, microwave drying temperature is 165 DEG C, and the time is 3 points
Dried plastic master batch feeding grinder, is then ground, obtains plastic powders by clock；
(5) by the plastic powders obtained by step (4) with etc. quality concentration be 5% ethyl acetate solution add kneading machine
Middle blending, is stirred 80 minutes at 130 DEG C, and mixing speed is 275 revs/min, obtains being kneaded product；
(6) finished-product material is prepared through single screw rod inflation film manufacturing machine blown film in the mixing product obtained by step (5), single screw rod is blown
The temperature in Mo Jisige areas is 170 DEG C, 185 DEG C, 185 DEG C and 170 DEG C respectively, and rotating speed is 80 revs/min.
The performance test results of obtained engineering plastic materials are as shown in table 1.
Comparative example 3
(1) after 55 parts of Corvic, 40 parts of water-based acrylic resin being mixed in blast drier at 105 DEG C
It is 75 minutes dry, obtain drying composite；
(2) drying composite obtained by step (1) is added in mixer, then adds neopentylglycol diacrylate 9
Part, 8 parts of hydroxypropyl methyl cellulose, carry out mixing, 110 revs/min of banbury rotating speed, mixing temperature 85 after mixing
DEG C, obtain mixing product；
(3) the mixing product obtained by step (2) being added in reaction kettle, design temperature is 145 DEG C, is reacted 30 minutes,
Product is sent into double screw extruder extruding pelletization after reaction, cooling and dicing, obtains plastic master batch；
(4) plastic master batch is sent into microwave dryer and carries out microwave drying, microwave drying temperature is 165 DEG C, and the time is 3 points
Dried plastic master batch feeding grinder, is then ground, obtains plastic powders by clock；
(5) by the plastic powders obtained by step (4) with etc. quality concentration be 5% ethyl acetate solution add kneading machine
Middle blending, is stirred 80 minutes at 130 DEG C, and mixing speed is 275 revs/min, obtains being kneaded product；
(6) finished-product material is prepared through single screw rod inflation film manufacturing machine blown film in the mixing product obtained by step (5), single screw rod is blown
The temperature in Mo Jisige areas is 170 DEG C, 185 DEG C, 185 DEG C and 170 DEG C respectively, and rotating speed is 80 revs/min.
The performance test results of obtained engineering plastic materials are as shown in table 1.
Comparative example 4
(1) after 55 parts of Corvic, 40 parts of water-based acrylic resin being mixed in blast drier at 105 DEG C
It is 75 minutes dry, obtain drying composite；
(2) drying composite obtained by step (1) is added in mixer and carries out mixing, 110 revs/min of banbury rotating speed
Clock, mixing temperature are 85 DEG C, obtain mixing product；
(3) the mixing product obtained by step (2) being added in reaction kettle, design temperature is 145 DEG C, is reacted 30 minutes,
Product is sent into double screw extruder extruding pelletization after reaction, cooling and dicing, obtains plastic master batch；
(4) plastic master batch is sent into microwave dryer and carries out microwave drying, microwave drying temperature is 165 DEG C, and the time is 3 points
Dried plastic master batch feeding grinder, is then ground, obtains plastic powders by clock；
(5) by the plastic powders obtained by step (4) with etc. quality concentration be 5% ethyl acetate solution add kneading machine
Middle blending, is stirred 80 minutes at 130 DEG C, and mixing speed is 275 revs/min, obtains being kneaded product；
(6) finished-product material is prepared through single screw rod inflation film manufacturing machine blown film in the mixing product obtained by step (5), single screw rod is blown
The temperature in Mo Jisige areas is 170 DEG C, 185 DEG C, 185 DEG C and 170 DEG C respectively, and rotating speed is 80 revs/min.
The performance test results of obtained engineering plastic materials are as shown in table 1.
By the obtained engineering plastic materials of embodiment 1-3 and comparative example 1-4 carry out respectively bending strength, tensile strength,
This several performance tests of surface resistivity.
Table 1
| Bending strength (MPa) | Tensile strength (MPa) | Surface resistivity (Ω) | |
| Embodiment 1 | 102.5 | 67.1 | 5.23×1016 |
| Embodiment 2 | 101.6 | 66.4 | 5.26×1016 |
| Embodiment 3 | 102.4 | 66.6 | 5.31×1016 |
| Comparative example 1 | 97.3 | 62.1 | 5.87×1016 |
| Comparative example 2 | 96.6 | 63.4 | 5.92×1016 |
| Comparative example 3 | 96.2 | 62.8 | 5.83×1016 |
| Comparative example 4 | 94.8 | 60.9 | 6.01×1016 |
The preparation process of the engineering plastic materials of the present invention is used after Corvic, water-based acrylic resin mixing
It is dry in blast drier, then drying composite is added in mixer, then add neopentylglycol diacrylate, hydroxypropyl
Ylmethyl cellulose, nanmeter antimong trioxide carry out mixing, and mixing product then is added reaction kettle reaction, is re-fed into twin-screw
Extruder extruding pelletization, cooling and dicing, obtains plastic master batch, grind into powder after finally plastic master batch is dried, then with acetic acid
Ethyl ester solution is added in kneading machine and is kneaded, and finished-product material is prepared through single screw rod inflation film manufacturing machine blown film.The engineering plastic being prepared
Expect material, its high mechanical strength, good insulation preformance, have a good application prospect in Plastic valve, pipe fitting product is prepared.
Also, present invention employs neopentylglycol diacrylate, hydroxypropyl methyl cellulose, nanmeter antimong trioxide these types raw material
Mixing is carried out with dried hybrid resin, effective modification has been carried out to engineering plastic materials, although in these modifying process
Material therefor be not first Application in engineering plastic materials, but according to a certain ratio amount combination after, be aided with corresponding processing
Reason mode, brings increasing substantially in performance, this grinds in conventional to the engineering plastic materials being finally prepared
It is never to report in studying carefully, the technique effect for realizing the present invention plays the role of conclusive.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright description is made, is directly or indirectly used in other relevant technology necks
Domain, is included within the scope of the present invention.
Claims (5)
1. a kind of preparation process of polyvinyl chloride resin engineering plastic materials, it is characterised in that comprise the following steps：
(1) in 100- in blast drier after 50-60 parts of Corvic, 35-45 parts of water-based acrylic resin being mixed
It is 60-90 minutes dry at 110 DEG C, obtain drying composite；
(2) drying composite obtained by step (1) is added in mixer, then adds neopentylglycol diacrylate 8-10
Part, 7-9 parts of hydroxypropyl methyl cellulose, 3-5 parts of nanmeter antimong trioxide, carry out mixing, obtain mixing product after mixing；
(3) the mixing product obtained by step (2) is added in reaction kettle, design temperature is 140-150 DEG C, 25-35 points of reaction
Clock, send product into double screw extruder extruding pelletization, cooling and dicing, obtains plastic master batch after reaction；
(4) plastic master batch is sent into microwave dryer and carries out microwave drying, dried plastic master batch is then sent into grinder
It is ground, obtains plastic powders；
(5) by the plastic powders obtained by step (4) with etc. quality concentration be 5% ethyl acetate solution add kneading machine in altogether
It is mixed, stirred 80 minutes at 130 DEG C, mixing speed is 250-300 revs/min, obtains being kneaded product；
(6) finished-product material is prepared through single screw rod inflation film manufacturing machine blown film in the mixing product obtained by step (5).
2. the preparation process of polyvinyl chloride resin engineering plastic materials according to claim 1, it is characterised in that the step (2)
The process conditions of middle mixing are：100-120 revs/min of banbury rotating speed, mixing temperature are 85 DEG C.
3. the preparation process of polyvinyl chloride resin engineering plastic materials according to claim 1, it is characterised in that the step (4)
Middle microwave drying temperature is 160-170 DEG C, and the time is 2-4 minutes.
4. the preparation process of polyvinyl chloride resin engineering plastic materials according to claim 1, it is characterised in that the step (6)
The temperature in middle four areas of single screw rod inflation film manufacturing machine is 170 DEG C, 185 DEG C, 185 DEG C and 170 DEG C respectively, and rotating speed is 80 revs/min.
5. preparing plastic valve according to the polyvinyl chloride resin engineering plastic materials that any one of the claim 1-4 preparation processes obtain
Application in door, pipe fitting product.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748843A2 (en) * | 1995-06-14 | 1996-12-18 | Mitsubishi Chemical Mkv Company | Vinyl chloride resin composition |
| CN103709548A (en) * | 2013-12-05 | 2014-04-09 | 青岛海伴塑胶工贸有限公司 | Plastic material with strong light irradiation resistance |
| CN103739996A (en) * | 2013-12-23 | 2014-04-23 | 青岛优维奥信息技术有限公司 | Anti-impacting and pressure-resisting PVC (Polyvinyl Chloride) pipe |
| CN107325435A (en) * | 2017-06-26 | 2017-11-07 | 周小红 | High-temperature resistant plastic pipes and preparation method thereof |
-
2017
- 2017-12-21 CN CN201711390232.2A patent/CN108003504A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748843A2 (en) * | 1995-06-14 | 1996-12-18 | Mitsubishi Chemical Mkv Company | Vinyl chloride resin composition |
| CN103709548A (en) * | 2013-12-05 | 2014-04-09 | 青岛海伴塑胶工贸有限公司 | Plastic material with strong light irradiation resistance |
| CN103739996A (en) * | 2013-12-23 | 2014-04-23 | 青岛优维奥信息技术有限公司 | Anti-impacting and pressure-resisting PVC (Polyvinyl Chloride) pipe |
| CN107325435A (en) * | 2017-06-26 | 2017-11-07 | 周小红 | High-temperature resistant plastic pipes and preparation method thereof |
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Application publication date: 20180508 |