CN108752778A - A kind of PVC plastic pipe and preparation method - Google Patents
A kind of PVC plastic pipe and preparation method Download PDFInfo
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- CN108752778A CN108752778A CN201810381754.4A CN201810381754A CN108752778A CN 108752778 A CN108752778 A CN 108752778A CN 201810381754 A CN201810381754 A CN 201810381754A CN 108752778 A CN108752778 A CN 108752778A
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
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- Chemical Kinetics & Catalysis (AREA)
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- Extrusion Moulding Of Plastics Or The Like (AREA)
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Abstract
The invention discloses a kind of PVC plastic pipe and preparation method, the PVC plastic pipe is made of the raw material of following parts by weight：0.5-1.5 parts of 100 parts of polyvinyl chloride resin, liquid nitrile rubber 5-15 parts phenolic resin modified, 3-5 parts of silicon carbide fibre, 1-3 parts of aramid fiber, 3-10 parts of oyster shell whiting, 5-10 parts of nano-calcium carbonate, 0.5-1.5 parts of plasticizer, 0.5-2 parts of coupling agent, 0.5-1.5 parts of modified additive, 1-3 parts of processing aid and stabilizer.PVC plastic pipe prepared by the present invention have many advantages, such as high intensity, high tenacity, shock resistance it is strong, it is wear-resisting, weather-proof, heat-resisting, be unlikely to deform, stability is good, ageing-resistant, processing performance is good, simple for process, and cost reduction is cheap, have good application prospect.
Description
Technical field
The invention belongs to plastics arts, it is specifically related to a kind of PVC plastic pipe and preparation method.
Background technology
Plastic pipe has energy-saving material-saving, environmental protection, light compared with the pipelines such as traditional cast iron pipe, coating steel pipe, pipe of cement
Matter is high-strength, corrosion-resistant, inner wall smooth non-scaling, the advantages that construction and repair are easy, service life is long, be widely used in building to
Construction industries, municipal administration, the work such as draining, town and country plumbing, city gas, electric power and cable jacket, industrial fluids conveying, agricultural irrigation
Industry and agriculture field.Current main plastic pipe has UPVC drainpipes, UPVC feed pipes, aluminum plastic composite pipe, polyethylene（PE）
Water-feeding pipes, polypropylene PPR hot-water lines etc..
Polyvinyl chloride resin has very excellent comprehensive performance as one of maximum kind of yield, dosage in synthetic material,
Such as fire-retardant, insulation, acid and alkali-resistance, wear-resistant and of low cost, raw material are sufficient, the most of recoverable of waste product,
It is widely used in fields such as tubing, daily necessities, outer packing, building trade, agricultural, electronics.Although the comprehensive performance of PVC material is very
It is good, but defect is it is also obvious that such as resistance to ag(e)ing is poor, poor heat resistance, impact resistance difference.Therefore it is prepared with polyvinyl chloride resin
Plastic pipe accordingly there is also, poor heat resistance, easy to aging under illumination condition, deformation, it is brittle the problems such as, shorten making for tubing
Use the service life.
Invention content
Present invention aims at provide it is a kind of it is weather-proof, heat-resisting, intensity is high, good toughness, impact resistance, processability are good, cost compared with
Low PVC plastic pipe.
In order to achieve the goal above, the technical solution adopted by the present invention is as follows：
A kind of PVC plastic pipe is made of the raw material of following parts by weight：100 parts of polyvinyl chloride resin, phenolic resin modified liquid fourth
5-15 parts of nitrile rubber, 3-5 parts of silicon carbide fibre, 1-3 parts of aramid fiber, 3-10 parts of oyster shell whiting, 5-10 parts of nano-calcium carbonate, plasticising
0.5-1.5 parts of 0.5-1.5 parts of agent, 0.5-2 parts of coupling agent, 0.5-1.5 parts of modified additive, 1-3 parts of processing aid and stabilizer.
Further, the modified additive is 1 by weight ratio:The eight aminophenyl cagelike silsesquioxanes and propylene of 1-2
Acid-copolymer-maleic anhydride composition.
Further, the processing aid is 1-3 by mass ratio:1 oxidized polyethylene wax and polyoxyethylene nonyl phenyl ethylene
Ether forms.
Further, the plasticizer is 1 by mass ratio:The di-n-octyl phthalate and dimethicone group of 2-3
At.
Further, the coupling agent is by 1-3:1 aluminium methacrylate-zirconium coupling agent and rare-earth coupling agent composition.
Further, the stabilizer is by 2-3:1 hexamethyl cyclotrisilazane and calcium zinc stabilizer composition.
The preparation method of PVC plastic pipe of the present invention, includes the following steps：
（1）Modified additive is added in silicon carbide fibre, aramid fiber, oyster shell whiting, nano-calcium carbonate, adds 50-100 parts
Water stirs 20-30min, obtains modified material；
（2）Polyvinyl chloride resin, phenolic resin modified liquid nitrile rubber, coupling agent and stabilizer are added in modified material, stirring is mixed
After closing uniformly, plasticizer and processing aid are added, stirring 10-20min is sufficiently mixed uniformly, obtains mixture；
（3）Mixture is delivered to double screw extruder extrusion forming, then through vacuum sizing, it is cooling to get PVC plastic pipe.
Further, the temperature of the extrusion forming is 140-160 DEG C, screw speed 300-500r/min.
Compared with prior art, it advantages of the present invention and has the beneficial effect that：
1, the present invention using unique composition of raw materials and each component coordinative role, the PVC plastic pipe of preparation have high intensity,
High tenacity, shock resistance be strong, it is wear-resisting, weather-proof, heat-resisting, be unlikely to deform, the advantages that stability is good, ageing-resistant, processing performance is good,
Simple for process, cost reduction is cheap, has good application prospect.
2, the present invention is using eight aminophenyl cagelike silsesquioxanes and acrylic acid-maleic anhydride copolymer as inorganic pigment
Modified additive can be covalent by being formed since octaphenyl cagelike silsesquioxane molecule contains silicon and multiple organic groups
Key is combined with matrix surface, and acrylic acid-maleic anhydride copolymer has very strong peptizaiton to inorganic pigment, with organic pigment
With good compatibility and synergistic function, therefore the heat resistance, inoxidizability, anti-flammability of material surface not only can be improved
And wearability, moreover it is possible to improve the intensity and toughness of plastic pipe.
3, the present invention has widened the industrial chain of shell using oyster shell whiting as raw material, and oyster shell whiting has Escherichia coli extremely strong antibacterial
And bactericidal effect, in addition also there is remarkable result to salmonella, yellow glucose fungus, oyster shell whiting can also improve the resistance of plastics
Performance is fired, the harmful substances such as formaldehyde, the benzene in air can be absorbed.
4, inventive formulation is additionally added silicon carbide fibre and aramid fiber and does not only reach the tough effect of enhancing benefit, moreover it is possible to improve
The high temperature resistant of plastic pipe, anti-aging, weatherability etc..
5, the stabilizer that the present invention uses improves the compatibility between PVC plastic pipe each component, and improves plastic tube
Weatherability and heat resistance.Plasticizer and processing aid that the present invention uses can improve the processing performance of PVC product, improve product
Finish and processing dispersibility.
6, the coupling agent that the present invention uses can not only improve the dispersibility and processing fluidity of system, moreover it is possible to improve plastics
The weatherability and inoxidizability of tubing.
Specific implementation mode
With reference to specific embodiment, invention is further described in detail, but does not limit the scope of the invention and its answer
With.
Embodiment 1
A kind of PVC plastic pipe is made of the raw material of following parts by weight：100 parts of polyvinyl chloride resin, phenolic resin modified liquid fourth
10 parts of nitrile rubber, 3 parts of silicon carbide fibre, 2.5 parts of aramid fiber, 8 parts of oyster shell whiting, 8 parts of nano-calcium carbonate, 1 part of plasticizer, coupling
1.5 parts of 1.5 parts of agent, 1 part of modified additive, 2 parts of processing aid and stabilizer.
The modified additive is 1 by weight ratio:1 eight aminophenyl cagelike silsesquioxanes and acrylic acid-maleic acid acid anhydride
Copolymer forms.
The processing aid is 3 by mass ratio:1 oxidized polyethylene wax and polyoxyethylene nonyl phenyl vinethene composition.
The plasticizer is 1 by mass ratio:3 di-n-octyl phthalate and dimethicone composition.
The coupling agent is by 2:1 aluminium methacrylate-zirconium coupling agent and rare-earth coupling agent composition.
The stabilizer is by 2:1 hexamethyl cyclotrisilazane and calcium zinc stabilizer composition.
The preparation method of PVC plastic pipe of the present invention, includes the following steps：
（1）Modified additive is added in silicon carbide fibre, aramid fiber, oyster shell whiting, nano-calcium carbonate, adds 80 parts of water,
25min is stirred, modified material is obtained；
（2）Polyvinyl chloride resin, phenolic resin modified liquid nitrile rubber, coupling agent and stabilizer are added in modified material, stirring is mixed
After closing uniformly, plasticizer and processing aid are added, stirring 15min is sufficiently mixed uniformly, obtains mixture；
（3）Mixture is delivered to double screw extruder extrusion forming, the temperature of the extrusion forming is 150 DEG C, screw speed
It is cooling to get PVC plastic pipe for 500r/min, then through vacuum sizing.
Embodiment 2
A kind of PVC plastic pipe is made of the raw material of following parts by weight：100 parts of polyvinyl chloride resin, phenolic resin modified liquid fourth
8 parts of nitrile rubber, 4 parts of silicon carbide fibre, 3 parts of aramid fiber, 3 parts of oyster shell whiting, 7 parts of nano-calcium carbonate, 1.5 parts of plasticizer, coupling
1 part of 1 part of agent, 0.5 part of modified additive, 2.5 parts of processing aid and stabilizer.
The modified additive is 1 by weight ratio:1 eight aminophenyl cagelike silsesquioxanes and acrylic acid-maleic acid acid anhydride
Copolymer forms.
The processing aid is 1 by mass ratio:1 oxidized polyethylene wax and polyoxyethylene nonyl phenyl vinethene composition.
The plasticizer is 1 by mass ratio:3 di-n-octyl phthalate and dimethicone composition.
The coupling agent is by 3:1 aluminium methacrylate-zirconium coupling agent and rare-earth coupling agent composition.
The stabilizer is by 3:1 hexamethyl cyclotrisilazane and calcium zinc stabilizer composition.
The preparation method of PVC plastic pipe of the present invention, includes the following steps：
（1）Modified additive is added in silicon carbide fibre, aramid fiber, oyster shell whiting, nano-calcium carbonate, adds 60 parts of water,
30min is stirred, modified material is obtained；
（2）Polyvinyl chloride resin, phenolic resin modified liquid nitrile rubber, coupling agent and stabilizer are added in modified material, stirring is mixed
After closing uniformly, plasticizer and processing aid are added, stirring 20min is sufficiently mixed uniformly, obtains mixture；
（3）Mixture is delivered to double screw extruder extrusion forming, the temperature of the extrusion forming is 160 DEG C, screw speed
It is cooling to get PVC plastic pipe for 400r/min, then through vacuum sizing.
Embodiment 3
A kind of PVC plastic pipe is made of the raw material of following parts by weight：100 parts of polyvinyl chloride resin, phenolic resin modified liquid fourth
12 parts of nitrile rubber, 5 parts of silicon carbide fibre, 1 part of aramid fiber, 8 parts of oyster shell whiting, 10 parts of nano-calcium carbonate, 0.5 part of plasticizer, idol
Join 1.5 parts of 2 parts of agent, 1.5 parts of modified additive, 3 parts of processing aid and stabilizer.
The modified additive is 1 by weight ratio:2 eight aminophenyl cagelike silsesquioxanes and acrylic acid-maleic acid acid anhydride
Copolymer forms.
The processing aid is 2 by mass ratio:1 oxidized polyethylene wax and polyoxyethylene nonyl phenyl vinethene composition.
The plasticizer is 1 by mass ratio:2 di-n-octyl phthalate and dimethicone composition.
The coupling agent is by 1:1 aluminium methacrylate-zirconium coupling agent and rare-earth coupling agent composition.
The stabilizer is by 2:1 hexamethyl cyclotrisilazane and calcium zinc stabilizer composition.
The preparation method of PVC plastic pipe of the present invention, includes the following steps：
（1）Modified additive is added in silicon carbide fibre, aramid fiber, oyster shell whiting, nano-calcium carbonate, adds 100 parts of water,
20min is stirred, modified material is obtained；
（2）Polyvinyl chloride resin, phenolic resin modified liquid nitrile rubber, coupling agent and stabilizer are added in modified material, stirring is mixed
After closing uniformly, plasticizer and processing aid are added, stirring 15min is sufficiently mixed uniformly, obtains mixture；
（3）Mixture is delivered to double screw extruder extrusion forming, the temperature of the extrusion forming is 140 DEG C, screw speed
It is cooling to get PVC plastic pipe for 300r/min, then through vacuum sizing.
Embodiment 4
A kind of PVC plastic pipe is made of the raw material of following parts by weight：100 parts of polyvinyl chloride resin, phenolic resin modified liquid fourth
10 parts of nitrile rubber, 4 parts of silicon carbide fibre, 3 parts of aramid fiber, 6 parts of oyster shell whiting, 5 parts of nano-calcium carbonate, 1.5 parts of plasticizer, coupling
1 part of 1 part of agent, 1 part of modified additive, 1.5 parts of processing aid and stabilizer.
The modified additive is 1 by weight ratio:1 eight aminophenyl cagelike silsesquioxanes and acrylic acid-maleic acid acid anhydride
Copolymer forms.
The processing aid is 3 by mass ratio:1 oxidized polyethylene wax and polyoxyethylene nonyl phenyl vinethene composition.
The plasticizer is 1 by mass ratio:2 di-n-octyl phthalate and dimethicone composition.
The coupling agent is by 2:1 aluminium methacrylate-zirconium coupling agent and rare-earth coupling agent composition.
The stabilizer is by 3:1 hexamethyl cyclotrisilazane and calcium zinc stabilizer composition.
The preparation method of PVC plastic pipe of the present invention, includes the following steps：
（1）Modified additive is added in silicon carbide fibre, aramid fiber, oyster shell whiting, nano-calcium carbonate, adds 60 parts of water,
30min is stirred, modified material is obtained；
（2）Polyvinyl chloride resin, phenolic resin modified liquid nitrile rubber, coupling agent and stabilizer are added in modified material, stirring is mixed
After closing uniformly, plasticizer and processing aid are added, stirring 10min is sufficiently mixed uniformly, obtains mixture；
（3）Mixture is delivered to double screw extruder extrusion forming, the temperature of the extrusion forming is 150 DEG C, screw speed
It is cooling to get PVC plastic pipe for 350r/min, then through vacuum sizing.
Embodiment 5
A kind of PVC plastic pipe is made of the raw material of following parts by weight：100 parts of polyvinyl chloride resin, phenolic resin modified liquid fourth
15 parts of nitrile rubber, 5 parts of silicon carbide fibre, 2 parts of aramid fiber, 3 parts of oyster shell whiting, 10 parts of nano-calcium carbonate, 1 part of plasticizer, coupling
1.5 parts of 2 parts of agent, 1 part of modified additive, 3 parts of processing aid and stabilizer.
The modified additive is 1 by weight ratio:1 eight aminophenyl cagelike silsesquioxanes and acrylic acid-maleic acid acid anhydride
Copolymer forms.
The processing aid is 2 by mass ratio:1 oxidized polyethylene wax and polyoxyethylene nonyl phenyl vinethene composition.
The plasticizer is 1 by mass ratio:3 di-n-octyl phthalate and dimethicone composition.
The coupling agent is by 1:1 aluminium methacrylate-zirconium coupling agent and rare-earth coupling agent composition.
The stabilizer is by 2:1 hexamethyl cyclotrisilazane and calcium zinc stabilizer composition.
The preparation method of PVC plastic pipe of the present invention, includes the following steps：
（1）Modified additive is added in silicon carbide fibre, aramid fiber, oyster shell whiting, nano-calcium carbonate, adds 80 parts of water,
25min is stirred, modified material is obtained；
（2）Polyvinyl chloride resin, phenolic resin modified liquid nitrile rubber, coupling agent and stabilizer are added in modified material, stirring is mixed
After closing uniformly, plasticizer and processing aid are added, stirring 15min is sufficiently mixed uniformly, obtains mixture；
（3）Mixture is delivered to double screw extruder extrusion forming, the temperature of the extrusion forming is 160 DEG C, screw speed
It is cooling to get PVC plastic pipe for 450r/min, then through vacuum sizing.
Embodiment 6
A kind of PVC plastic pipe is made of the raw material of following parts by weight：100 parts of polyvinyl chloride resin, phenolic resin modified liquid fourth
5 parts of nitrile rubber, 4 parts of silicon carbide fibre, 3 parts of aramid fiber, 7 parts of oyster shell whiting, 6 parts of nano-calcium carbonate, 1.5 parts of plasticizer, coupling
1 part of 1.5 parts of agent, 0.5 part of modified additive, 2 parts of processing aid and stabilizer.
The modified additive is 1 by weight ratio:2 eight aminophenyl cagelike silsesquioxanes and acrylic acid-maleic acid acid anhydride
Copolymer forms.
The processing aid is 3 by mass ratio:1 oxidized polyethylene wax and polyoxyethylene nonyl phenyl vinethene composition.
The plasticizer is 1 by mass ratio:2.5 di-n-octyl phthalate and dimethicone composition.
The coupling agent is by 3:1 aluminium methacrylate-zirconium coupling agent and rare-earth coupling agent composition.
The stabilizer is by 3:1 hexamethyl cyclotrisilazane and calcium zinc stabilizer composition.
The preparation method of PVC plastic pipe of the present invention, includes the following steps：
（1）Modified additive is added in silicon carbide fibre, aramid fiber, oyster shell whiting, nano-calcium carbonate, adds 70 parts of water,
30min is stirred, modified material is obtained；
（2）Polyvinyl chloride resin, phenolic resin modified liquid nitrile rubber, coupling agent and stabilizer are added in modified material, stirring is mixed
After closing uniformly, plasticizer and processing aid are added, stirring 20min is sufficiently mixed uniformly, obtains mixture；
（3）Mixture is delivered to double screw extruder extrusion forming, the temperature of the extrusion forming is 140 DEG C, screw speed
It is cooling to get PVC plastic pipe for 400r/min, then through vacuum sizing.
PVC plastic pipe prepared by embodiment 1-6 conventionally the tensile strength of determination sample, bending strength,
Simple beam impact strength, heat distortion temperature, elongation at break, test result are as shown in table 1.
Table 1：PVC plastic pipe the performance test results of the present invention
Learnt from above-mentioned test result, PVC plastic pipe prepared by the present invention have high intensity, high tenacity, shock resistance it is strong,
The advantages that heat-resisting, has good application prospect.
Claims (8)
1. a kind of PVC plastic pipe, it is characterised in that：It is made of the raw material of following parts by weight：100 parts of polyvinyl chloride resin, phenolic aldehyde tree
5-15 parts of fat modified liquid nitrile rubber, 3-5 parts of silicon carbide fibre, 1-3 parts of aramid fiber, 3-10 parts of oyster shell whiting, nano-calcium carbonate
5-10 parts of calcium, 0.5-1.5 parts of plasticizer, 0.5-2 parts of coupling agent, 0.5-1.5 parts of modified additive, 1-3 parts of processing aid and stabilization
0.5-1.5 parts of agent.
2. PVC plastic pipe according to claim 1, it is characterised in that：The modified additive is 1 by weight ratio:1-2's
Eight aminophenyl cagelike silsesquioxanes and acrylic acid-maleic anhydride copolymer composition.
3. PVC plastic pipe according to claim 1, it is characterised in that：The processing aid is 1-3 by mass ratio:1
Oxidized polyethylene wax and polyoxyethylene nonyl phenyl vinethene composition.
4. PVC plastic pipe according to claim 1, it is characterised in that：The plasticizer is 1 by mass ratio:The neighbour of 2-3
Phthalic acid di-n-octyl and dimethicone composition.
5. PVC plastic pipe according to claim 1, it is characterised in that：The coupling agent is by 1-3:1 methacrylic acid
Aluminum-zirconium coupling agent and rare-earth coupling agent composition.
6. PVC plastic pipe according to claim 1, it is characterised in that：The stabilizer is by 2-3:1 pregnancy basic ring, three silicon
Azane and calcium zinc stabilizer composition.
7. a kind of preparation method of PVC plastic pipe as described in claim 1, it is characterised in that：Include the following steps：
（1）Modified additive is added in silicon carbide fibre, aramid fiber, oyster shell whiting, nano-calcium carbonate, adds 50-100 parts
Water stirs 20-30min, obtains modified material；
（2）Polyvinyl chloride resin, phenolic resin modified liquid nitrile rubber, coupling agent and stabilizer are added in modified material, stirring is mixed
After closing uniformly, plasticizer and processing aid are added, stirring 10-20min is sufficiently mixed uniformly, obtains mixture；
（3）Mixture is delivered to double screw extruder extrusion forming, then through vacuum sizing, it is cooling to get PVC plastic pipe.
8. according to the preparation method of PVC plastic pipe described in right 7, it is characterised in that：The temperature of the extrusion forming is 140-
160 DEG C, screw speed 300-500r/min.
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| CN201810381754.4A CN108752778A (en) | 2018-04-25 | 2018-04-25 | A kind of PVC plastic pipe and preparation method |
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| CN109206794A (en) * | 2018-11-21 | 2019-01-15 | 福泉市利广环保设备有限公司 | A kind of environmentally-friendly plastic tubing |
| CN112603181A (en) * | 2020-12-04 | 2021-04-06 | 浙江凯越塑胶工业有限公司 | Shower capable of spraying bath foam |
| CN116041818A (en) * | 2021-10-28 | 2023-05-02 | 中国石油化工股份有限公司 | Composition resistant to chlorine migration and aging, preparation method thereof, pipe and application |
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| CN109206794A (en) * | 2018-11-21 | 2019-01-15 | 福泉市利广环保设备有限公司 | A kind of environmentally-friendly plastic tubing |
| CN112603181A (en) * | 2020-12-04 | 2021-04-06 | 浙江凯越塑胶工业有限公司 | Shower capable of spraying bath foam |
| CN116041818A (en) * | 2021-10-28 | 2023-05-02 | 中国石油化工股份有限公司 | Composition resistant to chlorine migration and aging, preparation method thereof, pipe and application |
| CN116041818B (en) * | 2021-10-28 | 2024-06-04 | 中国石油化工股份有限公司 | Composition resistant to chlorine migration and aging, preparation method thereof, pipe and application |
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Application publication date: 20181106 |