CN102993597A - Polrvinyl chloride antistatic rigid tube and preparation method thereof - Google Patents
Polrvinyl chloride antistatic rigid tube and preparation method thereof Download PDFInfo
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- CN102993597A CN102993597A CN2012103988682A CN201210398868A CN102993597A CN 102993597 A CN102993597 A CN 102993597A CN 2012103988682 A CN2012103988682 A CN 2012103988682A CN 201210398868 A CN201210398868 A CN 201210398868A CN 102993597 A CN102993597 A CN 102993597A
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- polyvinyl chloride
- hard tube
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- polrvinyl chloride
- chloride anti
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- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
-
- 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
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a polrvinyl chloride antistatic rigid tube and a preparation method thereof. The polrvinyl chloride antistatic rigid tube consists of following components according to mass ratio: 100 parts of PVC (polyvinyl chloride), 5-10 parts of heat stabilizer, 5-10 parts of modifier, 0.5-1 parts of lubricant, 1-4 parts of processing agent, and 15-25 parts of ultraviolet light screening agent. The polrvinyl chloride antistatic plastic tube has low manufacture cost, simple technology, high impact resistance property, high property in surface brightness and smoothness, and high meltbility; the polrvinyl chloride antistatic rigid tube has good heat stability, and excellent electric insulativity; temperature for machine shaping is low, no pungent smell generates in production, low carbon and environment protection are realized, plasticization time is short, and the production efficiency is high; and the polrvinyl chloride antistatic rigid tube has antiseptic and antiflaming function, relatively excellent antistatic property, can be used widely, and replaces existing material continuously.
Description
Technical field
The present invention relates to polymeric material field, relate in particular to a kind of polyvinyl chloride anti-electrostatic hard tube and preparation method thereof.
Background technology
Polyvinyl chloride anti-electrostatic hard tube is a kind of colliery antistatic plastic pipe, and this rigid PVC pipe is except the performance with common plastics tube, and maximum characteristics are that it has antistatic property, but also have flame retardant resistance.
And along with the popularizing of humanity concept, and the formation of novel harmonious society is updated thermotolerance, static resistance, flame retardant resistance and the erosion resistance etc. of polyvinyl chloride anti-electrostatic hard tube, is very important with the needs that reach the air draft of mining industry drainage underground.
Existing polyvinyl chloride anti-electrostatic hard tube, main employing polyvinyl chloride is base-material, increase therein static inhibitor and fire retardant, Chinese patent CN 1133229 A disclose a kind of polyvinyl-chloride anti-static plastic pipe material and manufacture method, but consider above static inhibitor and fire retardant cost height, complex process, and do not contain processing aid, the shock-resistance of polyvinyl-chloride anti-static plastic pipe material, meltbility and any surface finish are low, and it is slightly not enough that prior art just seems.
Summary of the invention
The invention provides a kind of polyvinyl chloride anti-electrostatic hard tube, the cost that solves in the existing polyvinyl-chloride anti-static plastic pipe material is too high, complex process, the technical problem such as shock-resistance is low, and any surface finish is low, and meltbility is low.
The present invention is by the following technical solutions:
Polyvinyl chloride anti-electrostatic hard tube is comprised of following raw materials according, take the mass fraction representation as:
PVC 100；
Thermo-stabilizer 5-10;
Properties-correcting agent 5-10;
Lubricant 0.5-1;
Processing aid 1-4;
Ultravioletlight screening agent 15-25.
Wherein, described thermo-stabilizer is one or more mixtures in tribasic lead sulfate, dibasic lead stearate, lead stearate, calcium stearate or the barium stearate.
Described properties-correcting agent is one or more mixtures in ABS resin, MBS resin, the ACR resin.
Described lubricant adopts paraffin.
Described processing aid adopts one or more mixtures in MBS or the MMA/ acrylate copolymer.
Carbon black is adopted in described ultravioletlight screening agent.
The preparation method of polyvinyl chloride anti-electrostatic hard tube is:
The first step: take by weighing various raw materials according to massfraction ratio mentioned above, PVC, thermo-stabilizer, lubricant, properties-correcting agent, processing aid and ultravioletlight screening agent;
Second step: above-mentioned raw materials is put into horizontal kneading machine mediate;
The 3rd step: the material after the second step kneading is mixing in two roller mills, and the steam roll temperature is about 150-170 ℃, speed ratio 1:(1.05-1.1), rolling hand-manipulated 3～4 times, the rolling of then cutting into slices uses dicing machine the tablet pelletizing of mill mixing;
The 4th step: the product that the 3rd step was obtained adopts the single screw extrusion machine extrusion moulding, single screw extrusion machine length-to-diameter ratio 23:1, and compression ratio 2.5, each section temperature is: 120-150 ℃ of feed section, compression section 170-180 ℃, metering zone 170-180 ℃, head 170-190 ℃;
The 5th step: with above-mentioned product cooling and shaping, make after the cutting.
As a kind of optimal technical scheme of the present invention: select thermo-stabilizer to select tribasic lead sulfate, has the very strong ability in conjunction with hydrogenchloride, long-term thermal stability is good, electric insulating quality is good, performance with white pigment, hiding power is large, weathering resistance still can, plumbous also with having synergy with a small amount of two basic Lead Phosphite, Dibasic (Coated)s or dibasic hard acid, calcium stearate, lead stearate, barium stearate are as the fast light heat-resisting stabilizing agent of PVC, be alkaline earth metal stearate mid-long term stability the best, with zinc, cadmium soap and time spent synergistic effect arranged.
As a kind of optimal technical scheme of the present invention: the modifier A CR resin of selection, under processing temperature, can promote the synchronously evenly plasticizing of PVC material, improve thermostability, effectively prevent the local coking of material, and can reduce the machine-shaping temperature, shorten fusion time, enhance productivity, improve the flowability of PVC material, promote smoothly processing, improve the yield rate of goods, lower the mechanical wear of processor running, reduce significantly various added ingredientss in the deposition of mechanical surface, obviously improve the aesthetic appearance such as goods or half-finished smooth finish.
As a kind of optimal technical scheme of the present invention: processing aid adopts MBS, is the synthesis resin that improves polyethylene products impact strength and processing characteristics, can promote PVC thoroughly to advance plasticizing simultaneously, improves melt strength, increases product surface smooth finish.
All raw materials that the present invention uses are know altogether existing, and using method and function are prior art.
A kind of polyvinyl chloride anti-electrostatic hard tube of the present invention adopts above technical scheme compared with prior art, have following technique effect: 1, this polyvinyl-chloride anti-static plastic pipe material cost of manufacture is cheap, and technique is simple, and shock-resistance is high, any surface finish is high, and meltbility is high; 2, the polyvinyl chloride anti-electrostatic hard tube Heat stability is good that uses the present invention to make, electric insulating quality is good; 3, machine-shaping temperature is low, has no irritating odor in the production, and low-carbon environment-friendly, fusion time is short, and production efficiency is high; 4, this polyvinyl chloride anti-electrostatic hard tube has antiseptic fire-retardation, and excellent static resistance can be used widely relatively, and constantly substitutes current material.
Embodiment
Set forth in further detail by the following examples content of the present invention.
Embodiment 1:
The first step: take by weighing various raw materials according to massfraction ratio hereinafter described
PVC (SG-5, p=1100) dragon wound plastic cement company limited 100;
Thermo-stabilizer tribasic lead sulfate Central Plains profit reaches chemical industry station 1.5-4;
Thermo-stabilizer dibasic lead stearate Central Plains profit reaches chemical industry station 0.5-2;
Thermo-stabilizer lead stearate moral is moulded the 1-1.5 of auxiliary agent company limited;
Thermo-stabilizer calcium stearate moral is moulded the 1-1.5 of auxiliary agent company limited;
Thermo-stabilizer barium stearate moral is moulded the 1-1.5 of auxiliary agent company limited;
The modifier A CR resin fine horse pine plastic cement 5-10 of company limited;
The prosperous thick commerce and trade 0.5-1 of company limited of lubricant paraffin;
The auspicious rich macromolecular material 1-4 of processing aid MBS;
Ultravioletlight screening agent carbon black moral Ke carbon black 15-25 of company limited.
Second step: above-mentioned raw materials is put into horizontal kneading machine mediate;
The 3rd step: the material after the second step kneading is mixing in two roller mills, and the steam roll temperature is about 150-170 ℃, speed ratio 1:(1.05-1.1), rolling hand-manipulated 3～4 times, the rolling of then cutting into slices uses dicing machine the tablet pelletizing of mill mixing;
The 4th step: the product that the 3rd step was obtained adopts the single screw extrusion machine extrusion moulding, single screw extrusion machine length-to-diameter ratio 23:1, and compression ratio 2.5, each section temperature is: 120-150 ℃ of feed section, compression section 170-180 ℃, metering zone 170-180 ℃, head 170-190 ℃;
The 5th step: with above-mentioned product cooling and shaping, make after the cutting.
Test performance: the polyvinyl chloride anti-electrostatic hard tube surface resistivity that use the present invention makes＜10
8Ω, general wall thickness is 0.4-1mm, surperficial inclusion-free spot, clear transparent, tolerance range height, Environmental Safety, tough and hard wear resistant, steadiness are good.
Above-described embodiment just is used for content of the present invention is set forth, rather than restriction, therefore in the implication suitable with claims of the present invention and any change in the scope, all should think to be included in the scope of claims.
Claims (7)
1. polyvinyl chloride anti-electrostatic hard tube is characterized in that: its composition take the mass fraction representation as:
PVC 100；
Thermo-stabilizer 5-10;
Properties-correcting agent 5-10;
Lubricant 0.5-1;
Processing aid 1-4;
Ultravioletlight screening agent 15-25.
2. a kind of polyvinyl chloride anti-electrostatic hard tube according to claim 1, it is characterized in that: described thermo-stabilizer is one or more mixtures in tribasic lead sulfate, dibasic lead stearate, lead stearate, calcium stearate or the barium stearate.
3. a kind of polyvinyl chloride anti-electrostatic hard tube according to claim 1, it is characterized in that: described properties-correcting agent is one or more mixtures in ABS resin, MBS resin, the ACR resin.
4. a kind of polyvinyl chloride anti-electrostatic hard tube according to claim 1 is characterized in that: described lubricant employing paraffin.
5. a kind of polyvinyl chloride anti-electrostatic hard tube according to claim 1 is characterized in that: one or more mixtures in described processing aid employing MBS or the MMA/ acrylate copolymer.
6. a kind of polyvinyl chloride anti-electrostatic hard tube according to claim 1 is characterized in that: described ultravioletlight screening agent employing carbon black.
7. method for preparing the described polyvinyl chloride anti-electrostatic of claim 1 hard tube is characterized in that step is:
The first step: take by weighing various raw materials according to massfraction ratio mentioned above, PVC, thermo-stabilizer, lubricant, properties-correcting agent, processing aid and ultravioletlight screening agent;
Second step: above-mentioned raw materials is put into horizontal kneading machine mediate;
The 3rd step: the material after the second step kneading is mixing in two roller mills, and the steam roll temperature is about 150-170 ℃, speed ratio 1:(1.05-1.1), rolling hand-manipulated 3～4 times, the rolling of then cutting into slices uses dicing machine the tablet pelletizing of mill mixing;
The 4th step: the product that the 3rd step was obtained adopts the single screw extrusion machine extrusion moulding, single screw extrusion machine length-to-diameter ratio 23:1, and compression ratio 2.5, each section temperature is: 120-150 ℃ of feed section, compression section 170-180 ℃, metering zone 170-180 ℃, head 170-190 ℃;
The 5th step: with above-mentioned product cooling and shaping, make after the cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103988682A CN102993597A (en) | 2012-10-19 | 2012-10-19 | Polrvinyl chloride antistatic rigid tube and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103988682A CN102993597A (en) | 2012-10-19 | 2012-10-19 | Polrvinyl chloride antistatic rigid tube and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102993597A true CN102993597A (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103988682A Pending CN102993597A (en) | 2012-10-19 | 2012-10-19 | Polrvinyl chloride antistatic rigid tube and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906990A (en) * | 2016-06-28 | 2016-08-31 | 贵州德江韫韬科技有限责任公司 | Antistatic thermal-insulation pipe and preparation method thereof |
| CN108003500A (en) * | 2017-12-15 | 2018-05-08 | 安徽海丰新材料科技有限公司 | A kind of PVC exhaust ducts formula |
-
2012
- 2012-10-19 CN CN2012103988682A patent/CN102993597A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906990A (en) * | 2016-06-28 | 2016-08-31 | 贵州德江韫韬科技有限责任公司 | Antistatic thermal-insulation pipe and preparation method thereof |
| CN108003500A (en) * | 2017-12-15 | 2018-05-08 | 安徽海丰新材料科技有限公司 | A kind of PVC exhaust ducts formula |
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Application publication date: 20130327 |