CN105754259A - Low-temperature-resistant PVC (polyvinyl chloride) pipe and manufacturing method thereof - Google Patents
Low-temperature-resistant PVC (polyvinyl chloride) pipe and manufacturing method thereof Download PDFInfo
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- CN105754259A CN105754259A CN201610238981.2A CN201610238981A CN105754259A CN 105754259 A CN105754259 A CN 105754259A CN 201610238981 A CN201610238981 A CN 201610238981A CN 105754259 A CN105754259 A CN 105754259A
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- pvc pipe
- pipe
- resistant pvc
- low temperature
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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
-
- 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
Abstract
The invention discloses a low-temperature-resistant PVC (polyvinyl chloride) pipe and a manufacturing method thereof.The low-temperature-resistant PVC pipe is prepared from, by mass, 50-70 parts of polyvinyl chloride resin, 10-18 parts of powdery butyronitrile rubber, 4-6 parts of chlorinated polyvinyl, 3-5 parts of stabilizer, 3-5 parts of plasticizer, 3-5 parts of stearic acid, 6-10 parts of impact-resistant modifier and 6-10 parts of paraffin.The preparation method includes: putting raw materials into a high-speed mixer according to mass parts for primary mixing for 5-8 min, mixing and stirring well, and extruding the materials after going through primary mixing in a double-screw extruder for granulation; drying a mixture prepared by the extruder at temperature of 160-170 DEG C; putting the dried mixture into a pipe extruder, and using a single-screw extruder for extruding to obtain the pipe.The low-temperature-resistant PVC pipe is high in impact resistance, resistant to chemical corrosion and suitable for low-temperature environment, breaking of the PVC pipe in extremely cold winter is prevented, and service life of the PVC pipe is prolonged.
Description
Technical field
The present invention relates to PVC material field, specifically a kind of low temperature resistant PVC pipe and preparation method thereof.
Background technology
PVC material i.e. polyvinyl chloride, it is one of plastic product that yield is maximum in the world, and low price is widely used,CorvicFor white or buff powder, it is impossible to be used alone, it is necessary to through modification.PVC is impalpable structure, and the degree of branching is less, the poor stability to light and heat.Different additives can be added according to different purposes,IgeliteDifferent physical properties and mechanical property can be presented.In Corvic, add appropriate plasticizer, can be made into multiple hard, soft and transparent article.
PVC material because of high-quality features such as its material are light, fire-retardant, resistance to acids and bases is good, cheap, easy for installation, oneself gradually substituted metal pipeline at present.PVC is widely used in the fields such as feedwater, draining, blowdown, chemical industry, is one of most popular product in plastic conduit, but in the case of winter cold, PVC can rupture because of the change of environment, affects the use of tubing.
Summary of the invention
It is an object of the invention to provide that a kind of shock resistance is good, the low temperature resistant PVC pipe of resistance to chemical attack and preparation method thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of low temperature resistant PVC pipe, is made up of according to the raw material of mass fraction following:
Corvic 50-70 part
PNBR 10-18 part
Haloflex 4-6 part
Stabilizer 3-5 part
Plasticizer 3-5 part
Stearic acid 3-5 part
Anti-impact modifier 6-10 part
Paraffin 6-10 part.
As the further scheme of the present invention: described Corvic is white powder, particle diameter is 60-250 μm, and apparent density is 0.4-0.6g/ml, relative density 1.35-1.46, refractive index 1.544(20 DEG C).
As the further scheme of the present invention: in described PNBR, acrylonitrile content is 30-35%, Mooney viscosity (MI1003+4) ＞ 150.
As the further scheme of the present invention: described haloflex uses model to be the haloflex of 130A, chlorinity 30%, tensile strength 6.3mkg.
As the further scheme of the present invention: described stabilizer is G301, total lead oxide content 20 ± 1.
As the further scheme of the present invention: described plasticizer is chlorinated fatty acid methyl esters, proportion (50 DEG C)
1.08-1.18, acid esters (mgKOH/g)≤0.5, ester content 99.5%.
As the further scheme of the present invention: described stearic acid is stearic acid SA1801, relative density 0.9408.
As the further scheme of the present invention: described anti-impact modifier is MBS-66, granularity >=98, apparent density (g/cm3)0.20-0.40。
As the further scheme of the present invention: described paraffin is 54# paraffin, oil content 0.44%.
The preparation method of described low temperature resistant PVC pipe, comprises the following steps that:
(1) pressing mass fraction and each raw material puts into the most mixed 5-8min in high-speed mixer, mixing and stirring, by through the most mixed material extruding pelletization in double screw extruder；
(2) compound that extruder prepares is dried, dry temperature and be 160-170 DEG C；
(3) being put in pipe extruder by the compound dried, then pass through single screw extrusion machine extruding pipe material and get final product, the temperature of described extruder cylinder of single screw extruder is 160-170 DEG C, and the temperature of mould is 160-180 DEG C, and die temperature is 160-170 DEG C.
Compared with prior art, the invention has the beneficial effects as follows:
Each raw material through programs such as dispensing, batch mixing, granulation, extrusion moldings, is made finished product by the present invention.This PVC shock resistance is good, resistance to chemical attack, it is adaptable to low temperature environment, prevent PVC the most extremely tremble with fear weather occur fracture situation, improve the service life of PVC.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of low temperature resistant PVC pipe and preparation method thereof, raw material composition mass fraction is: Corvic 50 parts, PNBR 18 parts, haloflex 6 parts, stabilizer 3 parts, 3 parts of plasticizer, stearic acid 3 parts, anti-impact modifier 10 parts, 6 parts of paraffin.
The preparation method of described low temperature resistant PVC pipe, comprises the following steps that:
(1) each raw material being pressed the mixing of mass fraction proportioning, puts into the most mixed 5min in high-speed mixer, mixing and stirring, by through the most mixed material extruding pelletization in double screw extruder；
(2) being dried by the particle that extruder prepares, drying temperature is 160 DEG C；
(3) compound dried is put in pipe extruder, then by single screw extrusion machine extruding pipe material, the temperature of described extruder cylinder of single screw extruder is 170 DEG C, and the temperature of mould is 160 DEG C, and die temperature is 160 DEG C.
Embodiment 2
In the embodiment of the present invention, a kind of low temperature resistant PVC pipe and preparation method thereof, raw material composition mass fraction is: Corvic 60 parts, PNBR 14 parts, haloflex 5 parts, stabilizer 4 parts, 4 parts of plasticizer, stearic acid 4 parts, anti-impact modifier 8 parts, 8 parts of paraffin.
The preparation method of described low temperature resistant PVC pipe, comprises the following steps that:
(1) each raw material being pressed the mixing of mass fraction proportioning, puts into the most mixed 6min in high-speed mixer, mixing and stirring, by through the most mixed material extruding pelletization in double screw extruder；
(2) being dried by the particle that extruder prepares, drying temperature is 165 DEG C；
(3) compound dried is put in pipe extruder, then by single screw extrusion machine extruding pipe material, the temperature of described extruder cylinder of single screw extruder is 165 DEG C, and the temperature of mould is 170 DEG C, and die temperature is 165 DEG C.
Embodiment 3
In the embodiment of the present invention, a kind of low temperature resistant PVC pipe and preparation method thereof, raw material composition mass fraction is: Corvic 70 parts, PNBR 10 parts, haloflex 4 parts, stabilizer 5 parts, 5 parts of plasticizer, stearic acid 5 parts, anti-impact modifier 6 parts, 10 parts of paraffin.
The preparation method of described low temperature resistant PVC pipe, comprises the following steps that:
(1) each raw material being pressed the mixing of mass fraction proportioning, puts into the most mixed 8min in high-speed mixer, mixing and stirring, by through the most mixed material extruding pelletization in double screw extruder；
(2) being dried by the particle that extruder prepares, drying temperature is 170 DEG C；
(3) compound dried is put in pipe extruder, then by single screw extrusion machine extruding pipe material, the temperature of described extruder cylinder of single screw extruder is 160 DEG C, and the temperature of mould is 180 DEG C, and die temperature is 170 DEG C.
Embodiment 4
In the embodiment of the present invention, a kind of low temperature resistant PVC pipe and preparation method thereof, is made up of according to the raw material of mass fraction following: Corvic 55 parts, PNBR 12 parts, haloflex 4 parts, stabilizer 4 parts, 4 parts of plasticizer, stearic acid 3 parts, anti-impact modifier 7 parts, 9 parts of paraffin.
The preparation method of described low temperature resistant PVC pipe, comprises the following steps that:
(1) pressing mass fraction and each raw material puts into the most mixed 7min in high-speed mixer, mixing and stirring, by through the most mixed material extruding pelletization in double screw extruder；
(2) being dried by the compound that extruder prepares, drying temperature is 168 DEG C；
(3) being put in pipe extruder by the compound dried, then pass through single screw extrusion machine extruding pipe material and get final product, the temperature of described extruder cylinder of single screw extruder is 168 DEG C, and the temperature of mould is 165 DEG C, and die temperature is 168 DEG C.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in the present invention.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of specification is only for clarity sake, specification should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (9)
1. a low temperature resistant PVC pipe, it is characterised in that be made up of according to the raw material of mass fraction following:
Corvic 50-70 part
PNBR 10-18 part
Haloflex 4-6 part
Stabilizer 3-5 part
Plasticizer 3-5 part
Stearic acid 3-5 part
Anti-impact modifier 6-10 part
Paraffin 6-10 part.
Low temperature resistant PVC pipe the most according to claim 1, it is characterised in that described powdered nitrile rubber
In rubber, acrylonitrile content is 30-35%.
Low temperature resistant PVC pipe the most according to claim 1, it is characterised in that described chlorinated polyethylene
Alkene uses model to be the haloflex of 130A, wherein chlorinity 30%, tensile strength 6.3mkg.
Low temperature resistant PVC pipe the most according to claim 1, it is characterised in that described stabilizer is
G301。
Low temperature resistant PVC pipe the most according to claim 1, it is characterised in that described plasticizer is
Chlorinated fatty acid methyl esters.
Low temperature resistant PVC pipe the most according to claim 1, it is characterised in that described stearic acid is
Stearic acid SA1801.
Low temperature resistant PVC pipe the most according to claim 1, it is characterised in that described anti-impact clicks to change
Property agent is MBS-66.
Low temperature resistant PVC pipe the most according to claim 1, it is characterised in that described paraffin is 54#
Paraffin, oil content 0.44%.
9. a preparation method for the low temperature resistant PVC pipe as described in claim 1-8 is arbitrary, its feature exists
In, comprise the following steps:
(1) press mass fraction and each raw material is put into the most mixed 5-8min in high-speed mixer, mixing and stirring,
By through the most mixed material extruding pelletization in double screw extruder；
(2) compound that extruder prepares is dried, dry temperature and be 160-170 DEG C；
(3) compound dried is put in pipe extruder, then by single screw extrusion machine extruding pipe material
Obtaining, the temperature of described extruder cylinder of single screw extruder is 160-170 DEG C, and the temperature of mould is 160-180 DEG C,
Die temperature is 160-170 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238981.2A CN105754259A (en) | 2016-04-18 | 2016-04-18 | Low-temperature-resistant PVC (polyvinyl chloride) pipe and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238981.2A CN105754259A (en) | 2016-04-18 | 2016-04-18 | Low-temperature-resistant PVC (polyvinyl chloride) pipe and manufacturing method thereof |
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| CN105754259A true CN105754259A (en) | 2016-07-13 |
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| CN201610238981.2A Pending CN105754259A (en) | 2016-04-18 | 2016-04-18 | Low-temperature-resistant PVC (polyvinyl chloride) pipe and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854301A (en) * | 2016-11-30 | 2017-06-16 | 东阳市朗晟橡塑有限公司 | A kind of multipurpose novel rubber tube and preparation method thereof |
| CN107793587A (en) * | 2016-08-29 | 2018-03-13 | 山东岩海建设资源有限公司 | A kind of efficiently chlorinated fatty acid methyl esters composite elasticizer |
| CN111484687A (en) * | 2020-04-22 | 2020-08-04 | 广东联塑科技实业有限公司 | Impact-resistant toughened PVC pipe fitting and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247209A (en) * | 1999-09-24 | 2000-03-15 | 中国科学院化学研究所 | Polyvinyl chloride composition and its pipes |
| CN102775701A (en) * | 2012-08-20 | 2012-11-14 | 深圳市金环宇电线电缆有限公司 | Polyvinyl chloride mixture for wires and cables and preparation method thereof |
| CN102977506A (en) * | 2012-12-10 | 2013-03-20 | 青岛鑫万通塑业发展有限公司 | Formula of high-impact-resistance polyvinyl chloride (PVC) pipe material |
-
2016
- 2016-04-18 CN CN201610238981.2A patent/CN105754259A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247209A (en) * | 1999-09-24 | 2000-03-15 | 中国科学院化学研究所 | Polyvinyl chloride composition and its pipes |
| CN102775701A (en) * | 2012-08-20 | 2012-11-14 | 深圳市金环宇电线电缆有限公司 | Polyvinyl chloride mixture for wires and cables and preparation method thereof |
| CN102977506A (en) * | 2012-12-10 | 2013-03-20 | 青岛鑫万通塑业发展有限公司 | Formula of high-impact-resistance polyvinyl chloride (PVC) pipe material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107793587A (en) * | 2016-08-29 | 2018-03-13 | 山东岩海建设资源有限公司 | A kind of efficiently chlorinated fatty acid methyl esters composite elasticizer |
| CN107793587B (en) * | 2016-08-29 | 2019-07-12 | 山东岩海建设资源有限公司 | A kind of efficient chlorinated fatty acid methyl esters composite elasticizer |
| CN106854301A (en) * | 2016-11-30 | 2017-06-16 | 东阳市朗晟橡塑有限公司 | A kind of multipurpose novel rubber tube and preparation method thereof |
| CN111484687A (en) * | 2020-04-22 | 2020-08-04 | 广东联塑科技实业有限公司 | Impact-resistant toughened PVC pipe fitting and preparation method thereof |
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Application publication date: 20160713 |
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