CN104151740A - Corrosion-proof PVC (polyvinyl chloride) pipe and preparation method thereof - Google Patents
Corrosion-proof PVC (polyvinyl chloride) pipe and preparation method thereof Download PDFInfo
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- CN104151740A CN104151740A CN201410386839.3A CN201410386839A CN104151740A CN 104151740 A CN104151740 A CN 104151740A CN 201410386839 A CN201410386839 A CN 201410386839A CN 104151740 A CN104151740 A CN 104151740A
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Abstract
The invention discloses a corrosion-proof PVC (polyvinyl chloride) pipe and a preparation method thereof. The PVC pipe is prepared from the following raw materials in parts by weight: 80-100 parts of SG-5 PVC, 15-25 parts of vinyl chloride-vinyl isobutyl ether resin, 8-16 parts of diisopropyl-o-phthalate, 5-10 parts of bis(2-(2-butoxyethoxy)ethyl)adipate, 20-30 parts of polypropylene carbonate, 16-24 parts of poly-4-methyl-amylene, 10-15 parts of magnesium borate whisker, 10-15 parts of superfine molybdenum carbide, 3-5 parts of ethyl protocatechuate, 2-3 parts of trimethylolpropane, 15-20 parts of silica powder, 5-10 parts of epoxidized methyl acetorieinoleate, 1-2 parts of barium stearate, 1-2 parts of zinc stearate and 2-3 parts of an assistant. The prepared PVC pipe is excellent in corrosion performance, especially acid resistance, alkali resistance and salt resistance, good in performance such as aging resistance, weather resistance, heat resistance and wear resistance, long in service life and wide in application range.
Description
Technical field
The present invention relates to a kind of pvc pipe material and preparation method thereof, be specifically related to a kind of protection against corrosion pvc pipe material and preparation method thereof.
Background technology
Pvc pipe material is because having from heavy and light, corrosion-resistant, and compressive strength is high, and electrical insulation capability is good, and the features such as safe ready are widely used in the fields such as water shoot, water service pipe, conduit, cable sheath tube, are that a kind of scope of application is only second to poly plastic pipe.In recent years, along with the continuous destruction of physical environment, cause global climate to change a lot, easily there is the severe weathers such as acid rain, salt fog in a lot of areas, make the erosion resistance of pvc pipe material have higher requirement, to meet its service requirements under severe weather.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of protection against corrosion pvc pipe material and preparation method thereof is provided, improve the corrosion resistance nature of pvc pipe material.
For achieving the above object, the technical solution used in the present invention is as follows:
A protection against corrosion pvc pipe material, is made by the raw material of following weight part: SG-5 type PVC80-100, chlorinated polyether resin 15-25, diisopropyl phthalate 8-16, the sweet ester 5-10 of hexanodioic acid dibutyl two, poly (propylene carbonate) 20-30, poly--4-methyl-1-pentene 16-24, magnesium borate crystal whisker 10-15, ultra-fine molybdenum carbide 10-15, ethyl protocatechuate 3-5, TriMethylolPropane(TMP) 2-3, silicon powder 15-20, epoxidized methyl acetorieinoleate 5-10, barium stearate 1-2, Zinic stearas 1-2, auxiliary agent 2-3;
The preparation method of described auxiliary agent is as follows: a, take off the raw material of row weight part: oildag powder 5-10, Zinc Stearate 1.5-2.5, Yatall MA diglycollic amide 2-3, long-chain alkyl-silicone oil 4-6, decyl tetradecyl alcohol cetearyl alcohol acid esters 2.5-4.5, hexyl decyl alcohol 3-6, isopropyl myristate 2-3, theobroma oil 1-2, Vaseline 3-5, Octyl methoxycinnamate 2-3, Lanthanum salicylate 1-2; B, first oildag powder, Zinc Stearate, Lanthanum salicylate are mixed, then add long-chain alkyl-silicone oil, decyl tetradecyl alcohol cetearyl alcohol acid esters, Yatall MA diglycollic amide, hexyl decyl alcohol, heating in water bath is to 50-60 ℃, 1000-1500r/min high-speed stirring 3-5min, after being cooled to room temperature, add remaining raw material, 2000-3000r/min high speed dispersion 2-4min.
The preparation method of protection against corrosion pvc pipe material of the present invention, comprise the following steps: first SG-5 type PVC, chlorinated polyether resin, diisopropyl phthalate, the sweet ester of hexanodioic acid dibutyl two, magnesium borate crystal whisker, ultra-fine molybdenum carbide, barium stearate, Zinic stearas are added in homogenizer and stirred, when temperature of charge reaches 50-60 ℃, add remaining raw material, continue to be stirred to temperature of charge and reach 100-120 ℃ and stop stirring; Then transport material in cold mixer and stir cooling, when temperature of charge is down to 30-40 ℃, discharging; Finally compound is delivered to extrusion moulding in twin screw extruder and made tubing, twin screw extruder processing temperature scope is 165-195 ℃.
Beneficial effect of the present invention:
The pvc pipe material that the present invention makes not only has excellent corrosion resistance nature, acidproof, alkaline-resisting, salt tolerant particularly, and there is the performances such as good ageing resistance, hydrolytic resistance, weathering resistance, thermotolerance, wear resistance, long service life, applied range.
Embodiment
A protection against corrosion pvc pipe material, is made by the raw material of following weight (kg): SG-5 type PVC100, chlorinated polyether resin 25, diisopropyl phthalate 16, the sweet ester 10 of hexanodioic acid dibutyl two, poly (propylene carbonate) 30, poly--4-methyl-1-pentene-24, magnesium borate crystal whisker 15, ultra-fine molybdenum carbide 15, ethyl protocatechuate 5, TriMethylolPropane(TMP) 3, silicon powder 20, epoxidized methyl acetorieinoleate 10, barium stearate 2, Zinic stearas 2, auxiliary agent 3;
The preparation method of described auxiliary agent is as follows: a, take off the raw material of column weight amount (kg): oildag powder 7, Zinc Stearate 2, Yatall MA diglycollic amide 2.5, long-chain alkyl-silicone oil 4.5, decyl tetradecyl alcohol cetearyl alcohol acid esters 3.5, hexyl decyl alcohol 4, isopropyl myristate 2, theobroma oil 1.5, Vaseline 4, Octyl methoxycinnamate 2.5, Lanthanum salicylate 1; B, first oildag powder, Zinc Stearate, Lanthanum salicylate are mixed, then add long-chain alkyl-silicone oil, decyl tetradecyl alcohol cetearyl alcohol acid esters, Yatall MA diglycollic amide, hexyl decyl alcohol, heating in water bath to 55 ℃, 1200r/min high-speed stirring 4min, after being cooled to room temperature, add remaining raw material, 2500r/min high speed dispersion 3min.
A kind of preparation method of protection against corrosion pvc pipe material, comprise the following steps: first SG-5 type PVC, chlorinated polyether resin, diisopropyl phthalate, the sweet ester of hexanodioic acid dibutyl two, magnesium borate crystal whisker, ultra-fine molybdenum carbide, barium stearate, Zinic stearas are added in homogenizer and stirred, when temperature of charge reaches 50-60 ℃, add remaining raw material, continue to be stirred to temperature of charge and reach 100-120 ℃ and stop stirring; Then transport material in cold mixer and stir cooling, when temperature of charge is down to 30-40 ℃, discharging; Finally compound is delivered to extrusion moulding in twin screw extruder and made tubing, twin screw extruder processing temperature scope is 165-195 ℃.
The above-mentioned pvc pipe material Performance Detection making is as shown in the table:
| Test item | Detected result |
| Tensile strength (MPa) | 66 |
| Yield strength (MPa) | 61 |
| Modulus in tension (MPa) | 5000 |
| Bending elastic modulus (GPa) | 3.9 |
| Horizontal relaxation shrinkage (%) | 2.4 |
| Aging coefficient (70 ℃, 144h) | 0.85 |
| Acid resistance test (10% hydrochloric acid, 60 ℃, 48h) | Corrosion-free phenomenon |
| Alkali resistance test (40% sodium hydroxide, 60 ℃, 48h) | Corrosion-free phenomenon |
| Salt tolerance (50% sodium-chlor, 60 ℃, 48h) | Corrosion-free phenomenon |
Claims (2)
1. a protection against corrosion pvc pipe material, it is characterized in that, by the raw material of following weight part, made: SG-5 type PVC 80-100, chlorinated polyether resin 15-25, diisopropyl phthalate 8-16, the sweet ester 5-10 of hexanodioic acid dibutyl two, poly (propylene carbonate) 20-30, poly--4-methyl-1-pentene 16-24, magnesium borate crystal whisker 10-15, ultra-fine molybdenum carbide 10-15, ethyl protocatechuate 3-5, TriMethylolPropane(TMP) 2-3, silicon powder 15-20, epoxidized methyl acetorieinoleate 5-10, barium stearate 1-2, Zinic stearas 1-2, auxiliary agent 2-3;
The preparation method of described auxiliary agent is as follows: a, take off the raw material of row weight part: oildag powder 5-10, Zinc Stearate 1.5-2.5, Yatall MA diglycollic amide 2-3, long-chain alkyl-silicone oil 4-6, decyl tetradecyl alcohol cetearyl alcohol acid esters 2.5-4.5, hexyl decyl alcohol 3-6, isopropyl myristate 2-3, theobroma oil 1-2, Vaseline 3-5, Octyl methoxycinnamate 2-3, Lanthanum salicylate 1-2; B, first oildag powder, Zinc Stearate, Lanthanum salicylate are mixed, then add long-chain alkyl-silicone oil, decyl tetradecyl alcohol cetearyl alcohol acid esters, Yatall MA diglycollic amide, hexyl decyl alcohol, heating in water bath is to 50-60 ℃, 1000-1500r/min high-speed stirring 3-5min, after being cooled to room temperature, add remaining raw material, 2000-3000r/min high speed dispersion 2-4min.
2. the preparation method of a protection against corrosion pvc pipe material as claimed in claim 1, it is characterized in that comprising the following steps: first SG-5 type PVC, chlorinated polyether resin, diisopropyl phthalate, the sweet ester of hexanodioic acid dibutyl two, magnesium borate crystal whisker, ultra-fine molybdenum carbide, barium stearate, Zinic stearas are added in homogenizer and stirred, when temperature of charge reaches 50-60 ℃, add remaining raw material, continue to be stirred to temperature of charge and reach 100-120 ℃ and stop stirring; Then transport material in cold mixer and stir cooling, when temperature of charge is down to 30-40 ℃, discharging; Finally compound is delivered to extrusion moulding in twin screw extruder and made tubing, twin screw extruder processing temperature scope is 165-195 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386839.3A CN104151740A (en) | 2014-08-07 | 2014-08-07 | Corrosion-proof PVC (polyvinyl chloride) pipe and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410386839.3A CN104151740A (en) | 2014-08-07 | 2014-08-07 | Corrosion-proof PVC (polyvinyl chloride) pipe and preparation method thereof |
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| CN104151740A true CN104151740A (en) | 2014-11-19 |
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| CN201410386839.3A Pending CN104151740A (en) | 2014-08-07 | 2014-08-07 | Corrosion-proof PVC (polyvinyl chloride) pipe and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385062A (en) * | 2015-12-09 | 2016-03-09 | 无锡拓能自动化科技有限公司 | Preparation method of chemical corrosion resistant PVC pipe |
| CN106589885A (en) * | 2016-12-13 | 2017-04-26 | 无锡市四方达高分子材料有限公司 | Special polymer material |
| CN107903493A (en) * | 2017-11-15 | 2018-04-13 | 潍坊友容实业有限公司 | Salt-soda soil graphene salt discharging pipe and its production method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497725A (en) * | 2009-02-26 | 2009-08-05 | 安徽华电线缆集团有限公司 | Composite material for electric wire and cable insulation and sleeve |
| WO2012074252A2 (en) * | 2010-11-29 | 2012-06-07 | Sk Innovation Co.,Ltd. | Plasticizers for resin compositions and resin compositions including the same |
| CN103881259A (en) * | 2014-02-14 | 2014-06-25 | 安徽旺达铜业发展有限公司 | Acid-alkali-salt-corrosion-resistant polyvinyl chloride cable material and preparation method thereof |
-
2014
- 2014-08-07 CN CN201410386839.3A patent/CN104151740A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497725A (en) * | 2009-02-26 | 2009-08-05 | 安徽华电线缆集团有限公司 | Composite material for electric wire and cable insulation and sleeve |
| WO2012074252A2 (en) * | 2010-11-29 | 2012-06-07 | Sk Innovation Co.,Ltd. | Plasticizers for resin compositions and resin compositions including the same |
| CN103881259A (en) * | 2014-02-14 | 2014-06-25 | 安徽旺达铜业发展有限公司 | Acid-alkali-salt-corrosion-resistant polyvinyl chloride cable material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385062A (en) * | 2015-12-09 | 2016-03-09 | 无锡拓能自动化科技有限公司 | Preparation method of chemical corrosion resistant PVC pipe |
| CN106589885A (en) * | 2016-12-13 | 2017-04-26 | 无锡市四方达高分子材料有限公司 | Special polymer material |
| CN107903493A (en) * | 2017-11-15 | 2018-04-13 | 潍坊友容实业有限公司 | Salt-soda soil graphene salt discharging pipe and its production method |
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Application publication date: 20141119 |