CN107778618A - Antibacterial impact PE feed pipes and its production method - Google Patents

Antibacterial impact PE feed pipes and its production method Download PDF

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Publication number
CN107778618A
CN107778618A CN201610750277.5A CN201610750277A CN107778618A CN 107778618 A CN107778618 A CN 107778618A CN 201610750277 A CN201610750277 A CN 201610750277A CN 107778618 A CN107778618 A CN 107778618A
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parts
impact
feed pipes
antibacterial
antioxidant
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CN201610750277.5A
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Inventor
梁洪昌
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GUANGXI GOLD BEACH PIPE INDUSTRY TECHNOLOGY Co Ltd
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GUANGXI GOLD BEACH PIPE INDUSTRY TECHNOLOGY Co Ltd
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Priority to CN201610750277.5A priority Critical patent/CN107778618A/en
Publication of CN107778618A publication Critical patent/CN107778618A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/02Making granules by dividing preformed material
    • B29B9/06Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F279/00Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
    • C08F279/02Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92514Pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The present invention relates to a kind of antibacterial impact PE feed pipes and its production method, it is characterised in that includes the raw material of following parts by weight:Wherein, 5 10 parts of 80 100 part, nanometer dead plaster of polyethylene, 0.5 2 parts of impact modifier, 0.5 2 parts of compound stabilizer, 0.5 1 parts of PE waxes, 0.1 0.5 parts of silane coupler, 0.1 0.3 parts of antiseptic, 0.05 0.1 parts of antioxidant.Antibacterial impact PE feed pipe raw materials of the present invention are simple and easy to get, and cost is cheap, have excellent antibacterial, high impact resistance, and toughness is high, improves the performance of traditional PE feed pipes, improves PE feed pipe product quality.

Description

Antibacterial impact PE feed pipes and its production method
Technical field
The invention belongs to the processing technique field of PE feed pipes, more particularly to a kind of antibacterial impact PE feed pipes and Its production method.
Background technology
Plastic pipe is the chemical building material that high-tech is combined, and chemical building material be after steel, timber, cement, Contemporary emerging the fourth-largest class New Building Materials.Chemical building material achieves rapid progress fast development in China, especially newly Type ring protects widely using for plastic pipe, has started the revolution that a sound substitutes traditional construction material.Plastic pipe is because with current loss The advantages that small, energy-conservation, section material, protecting ecology, convenient completion, it is widely used in building water supply and drainage, cities and towns plumbing and combustion gas The fields such as pipe, turn into the main force of new century urban construction pipe network.
Plastics and traditional material are different, the paces of technological progress faster, new technology, new material, the new work constantly occurred Skill makes the advantage of the relatively conventional material of plastic tube more and more prominent.Plastic pipe compared with traditional metal tube, have it is in light weight, The 1/6-1/10 of metal tube is typically only, there is preferable corrosion resistance, shock resistance and tensile strength, plastics pipe internal surface compares cast iron Manage it is smooth it is more, coefficient of friction is small, fluid resistance is small, can reduce water delivery energy consumption more than 5%, synthesis energy saving is good, and manufacture energy consumption is right 75% is reduced, convenient transportation, installation is simple, and service life is up to 30-50.Plastic pipe have developed rapidly in countries in the world, hair Absolute advantage plastic pipe is accounted for up to country in feedwater field and gas burning field application to be not only largely used for replacing traditional steel Pipe, cast iron pipe etc., reason is that technological innovation.One side material has great progress.Another aspect application technology has new Development, traditional piping material is set to be adapted to occasion in this way not have competitiveness at all.Also many new materials, new technology Study, or found out to try out and examined to can affirm, the technological progress of 10 years plastic tubes from now on will promote to mould Expects pipe more quickly develops.
PE (polyethylene) materials due to its intensity height, high temperature resistant, it is anticorrosive, nontoxic the features such as, be widely used in feeding water Pipe manufacturing field.Because it will not get rusty, therefore, it is substituting the preferable tubing of common iron feed pipe;Polyethylene is inertialess material Material, can the erosion of resistant to many chemicals in addition to a small amount of strong oxidizer.It is known that steel pipe, cast iron pipe are substituted by plastic tube Reason is not only due to that plastic pipe is lower than its water delivery energy consumption, energy consumption is low for life, in light weight, small flow resistance, simple installation are fast Speed, low cost, there is heat insulation function etc., also as the performance such as plastic tube is corrosion-resistant, service life length is better than steel pipe and cast iron pipe.
However, with the gradual expansion of urban construction, PE feed pipes will also be used for more rugged environment, and continuation is high Chemical substance burn into continuation high pressure such as low temperature, soda acid etc., therefore further improve the performance of traditional PE feed pipes, improve production Product quality, there is good facilitation for China's modernization construction.In addition, conventional PE feed pipes are by long-term use of Afterwards, the incrustation scale impurity of accumulation is attached to inside pipeline, meeting cooperating microorganisms, when water flow in pipeline is relatively slow or arrheas, microorganism Bacterium will be developed into, flora can be formed through breeding after a while by being attached in tube wall, made deteriorating water quality, directly affected people Quality of life.
Therefore, develop a kind of antibacterial impact PE feed pipes be the main task of those skilled in the art at this stage it One.
The content of the invention
It is an object of the invention to provide a kind of antibacterial impact PE feed pipes and its production method, the antibacterial impact PE feed pipe raw materials are simple and easy to get, and cost is cheap, have excellent antibacterial, high impact resistance, and toughness is high, improve traditional PE to The performance of water pipe, improve PE feed pipe product quality.
What the present invention was realized in:
A kind of antibacterial impact PE feed pipes, it is characterised in that include the raw material of following parts by weight:Wherein, poly- second Alkene 80-100 parts, nanometer dead plaster 5-10 parts, impact modifier 0.5-2 parts, compound stabilizer 0.5-2 parts, PE waxes 0.5-1 Part, silane coupler 0.1-0.5 parts, antiseptic 0.1-0.3 parts, antioxidant 0.05-0.1 parts.
Further preferably, the preparation method of the nanometer dead plaster is:By calcium sulphate dihydrate and water according to 5-10: 90-95 ratio is made into slurry, and slurry pH is 9.5-10.2, is then placed in closed reactor and is stirred continuously, is in temperature Reaction synthesis calcium sulfate crystal whiskers under conditions of 105-125 DEG C, then calcium sulfate crystal whiskers are produced into nanometer nothing by being dehydrated, after drying H 2 O calcium sulphate.
Further preferably, the nanometer dead plaster is a diameter of 50-100nm dead plaster threadiness monocrystalline Body.
Further preferably, the impact modifier includes the raw material of following parts by weight:The impact modifier include with The raw material of lower parts by weight:Base methyl acrylate 50-60 parts, butadiene 10-20 parts, lauryl sodium sulfate 1-3 parts, persulfuric acid Potassium 0.2-0.8 parts, N, N'- methylene-bisacrylamide 0.05-0.1 parts.
Further preferably, the preparation method of the impact modifier is:Butadiene and appropriate deionized water are added into pressure In power reactor, lauryl sodium sulfate, the 30%-50% times of persulfuric acid measured that 30%-50% times of said components are measured are added Potassium and the 30%-50% times of N measured, N'- methylene-bisacrylamides, stirring are warming up to 70-75 DEG C, react l5-20h, are gathered Butadiene latex;Polybutadiene latex is added in the flask with agitating device again, then adds methyl methacrylate With appropriate deionized water, then by remaining lauryl sodium sulfate, potassium peroxydisulfate and N, N'- methylene-bisacrylamide add In flask, be heated with stirring to 70 DEG C, react 8-10h, obtain impact-resistant modified agent emulsion, it is last it is spray-dried obtain it is impact-resistant modified Agent.
Further preferably, it is steady to include epoxidized soybean oil, organotin, calcium stearate and barium zinc for the composition of the compound stabilizer Determine agent;Epoxidized soybean oil, organotin, calcium stearate, the mass ratio of barium zinc stabilizer are 2-3:2:3-4:1.
Further preferably, the composition of the antioxidant includes Hinered phenols antioxidant and phosphite antioxidant, is obstructed The mass ratio of phenolic antioxidant and phosphite antioxidant is 7-9:1-3.
Further preferably, the composition of the antiseptic includes calcium hydroxide, magnesia, aluminum oxide and zinc oxide;Hydroxide Calcium, magnesia, aluminum oxide, the weight ratio of zinc oxide are 5-6:3:2:2-3.
The function of above raw material is respectively:
Using nanometer dead plaster as filler, cost can be greatly reduced, softening temperature and hardness is improved, carries High tube extrusion stability and dimensional stability, reduce and shrink.
The impact modifier that the present invention uses has good compatibility with polyethylene, and good dispersion, preparation method is simple, The shock resistance of PE feed pipes can be increased substantially.
Stabilizer is polyvinyl chloride indispensable additive in process, and there is the plasticizing for promoting PVC raw materials to make With, while also have the effect for strengthening stability.The present invention uses compound stabilizer, has good collaboration between compound stabilizer Effect, can reach good stablizing effect.
PE waxes have excellent cold resistance, heat resistance, chemical resistance and wearability and are widely used.PE waxes have The very long non-polar carbon chains of very strong polar centers.Part in its structure with plastic compatible in polarity lubricates work in rising With outer lubrication and the demoulding are played in the part incompatible with plastics in polarity.PE waxes have as in-lubricant and polymer Good compatibility, its cohesive force between polymeric inner plays a part of reduction polymer molecule, so as to improve plastic melt Interior frictional heat and melt mobility.PE waxes mainly improve polymer melt as the effect of external lubricant and set with processing The friction of standby hot metal surface, it is poor with polymer compatibility, easily toward external migration out of melt, so can be melted in plastics The interface of body and metal forms the thin layer of lubrication.
Silane coupler can improve dispersiveness and bonding force of the inserts in resin, improve inorganic fillings and resin it Between compatibility, improve processing performance and improve the performance such as machinery, electricity and weatherability of pvc pipe.
Using Hinered phenols antioxidant and phosphite antioxidant as composite antioxidant, primary antioxidant and auxiliary antioxygen Agent and used time, respective characteristic is played, it is better than a kind of effect is used alone.Because using a kind of high concentration antioxidant, can cause Side reaction;When taking several low concentration antioxidant, can both avoid side reaction, can also play plus and benefit.
The production method of antibacterial impact PE feed pipes of the present invention, comprises the following steps:
S1, raw material mixing:Polyethylene, nanometer dead plaster, impact modifier, compound stabilizer, PE waxes, silane is even After joining agent, antiseptic and composite antioxidant according to weight, nanometer dead plaster is first put into high mixer high speed Stirring, after temperature reaches 100 DEG C to 120 DEG C, add silane coupler and mix 5 to 10 minutes;Polyethylene, anti-impact are changed again Property agent, compound stabilizer, PE waxes, antiseptic and composite antioxidant are put into high mixer high speed and are stirred, the temperature of mixing It it is 120-140 DEG C, it is stand-by that mixed material is cooled to 40-55 DEG C of rewinding by stirring 15-30min afterwards;
S2, granulation:The material mixed is sent into comminutor and is granulated, the temperature control of feed cylinder of granulator is in 175- 200 DEG C, obtain pellet;
S3, tubulation:It is put into after pellet is cooled down in barrel, the temperature for controlling barrel is 170-220 DEG C, and extrusion pressure is 35-50MPa, then material extrudes impact pvc pipe by extruder die orifice, and through bosh spraying cooling, is made into Product.
The prominent substantive distinguishing features of the present invention and significant progress are:
1st, antibacterial impact PE feed pipes of the present invention have advantages below:
It is nontoxic, hygienic:Tubing material is nontoxic, belongs to green building material, does not corrode, non-scaling, can effectively improve ductwork water quality;It is resistance to Corrosion:Polyethylene is inert material, in addition to decimal strong oxidizer, can resistant to many chemical mediator erosion, no electrochemical corrosion, no Need anticorrosive coat;Do not reveal:Polyethylene pipe is mainly connected using hot-melt adhesive paste or electric smelting, has good resistance to water hammer pressure Ability, the fusion splice integrated with tubing and polyethylene pipe are effective against ability to movement underground and end load, carry significantly The high security reliability to supply water;Flow resistance is small:The definitely coarse K of Interior Wall of Polythene Pipe is no more than 0.01mm, and new steel pipe, spheroidal graphite Cast iron pipe K >=0.06mm, it can effectively reduce water supply consumption;High tenacity:Polyethylene feed pipe is a kind of high tenacity tubing, and it is broken Elongation is generally more than 500%, strong to the adaptive faculty of pipe base differential settlement, is a kind of pipeline of excellent earthquake resistance;It is excellent Flexibility:The flexibility of polyethylene pipe makes polyethylene pipe to be coiled, and is supplied with longer length, avoids substantial amounts of joint and drink Pipe fitting, add economic value of the material for pipe engineering;Good resistance to rapid fragility:Polyethylene pipe has good The ability of resistance to rapid crack transmission, excellent resistance to scratch ability and its prominent environmental stress cracking resistance;Service life is grown: Polyethylene pressure pipe road safe operating life is more than 50 years;It is easy to be recycled:Polythene material recoverable, even if burning Burning processing, will not also produce material influential on environment.
2nd, the present invention can greatly reduce cost, improve softening temperature using nanometer dead plaster as filler And hardness, tube extrusion stability and dimensional stability are improved, reduces and shrinks.
3rd, the present invention uses compound stabilizer, has good synergy between compound stabilizer, can reach good Stablizing effect.
4th, the antiseptic that uses of the present invention has cost low, the advantages of having antibacterium, antimycotic two kinds of effects concurrently, can kill Microorganism killing and the effect for suppressing microbial reproduction.
Embodiment
The present invention is made the following instructions with reference to embodiment.
Embodiment 1
S1, raw material mixing:By 5 parts of 80 part, nanometer dead plaster of polyethylene, 0.5 part of impact modifier, compound stabilizer After 0.05 part of 0.5 part, 0.5 part of PE waxes, 0.1 part of silane coupler, 0.1 part of antiseptic and antioxidant are according to weight, first Nanometer dead plaster is put into the stirring of high mixer high speed, after temperature reaches 100 DEG C to 120 DEG C, silane coupler is added and mixes Close stirring 5 to 10 minutes;Polyethylene, impact modifier, compound stabilizer, PE waxes, antiseptic and composite antioxidant are put again Enter high mixer high speed to be stirred, the temperature of mixing is 120-140 DEG C, is cooled to mixed material after stirring 15-30min 40-55 DEG C of rewinding is stand-by;
S2, granulation:The material mixed is sent into comminutor and is granulated, the temperature control of feed cylinder of granulator is in 175- 200 DEG C, obtain pellet;
S3, tubulation:It is put into after pellet is cooled down in barrel, the temperature for controlling barrel is 170-220 DEG C, and extrusion pressure is 35MPa, then material impact pvc pipe is extruded by extruder die orifice, and through bosh spraying cooling, finished product.
Embodiment 2
S1, raw material mixing:By 6 parts of 90 part, nanometer dead plaster of polyethylene, 1 part of impact modifier, compound stabilizer 1 After part, 0.6 part of PE waxes, 0.2 part of silane coupler, 0.2 part of antiseptic and 0.06 part of antioxidant are according to weight, it will first receive Rice dead plaster is put into the stirring of high mixer high speed, after temperature reaches 100 DEG C to 120 DEG C, adds silane coupler mixing and stirs Mix 5 to 10 minutes;Polyethylene, impact modifier, compound stabilizer, PE waxes, antiseptic and composite antioxidant are put into height again Mixed machine high speed is stirred, and the temperature of mixing is 120-140 DEG C, and mixed material is cooled into 40- after stirring 15-30min 55 DEG C of rewindings are stand-by;
S2, granulation:The material mixed is sent into comminutor and is granulated, the temperature control of feed cylinder of granulator is in 175- 200 DEG C, obtain pellet;
S3, tubulation:It is put into after pellet is cooled down in barrel, the temperature for controlling barrel is 170-220 DEG C, and extrusion pressure is 40MPa, then material impact pvc pipe is extruded by extruder die orifice, and through bosh spraying cooling, finished product.
Embodiment 3
S1, raw material mixing:By 8 parts of 95 part, nanometer dead plaster of polyethylene, 1.5 parts of impact modifier, compound stabilizer After 0.08 part of 1.5 parts, 0.8 part of PE waxes, 0.4 part of silane coupler, 0.25 part of antiseptic and antioxidant are according to weight, first Nanometer dead plaster is put into the stirring of high mixer high speed, after temperature reaches 100 DEG C to 120 DEG C, silane coupler is added and mixes Close stirring 5 to 10 minutes;Polyethylene, impact modifier, compound stabilizer, PE waxes, antiseptic and composite antioxidant are put again Enter high mixer high speed to be stirred, the temperature of mixing is 120-140 DEG C, is cooled to mixed material after stirring 15-30min 40-55 DEG C of rewinding is stand-by;
S2, granulation:The material mixed is sent into comminutor and is granulated, the temperature control of feed cylinder of granulator is in 175- 200 DEG C, obtain pellet;
S3, tubulation:It is put into after pellet is cooled down in barrel, the temperature for controlling barrel is 170-220 DEG C, and extrusion pressure is 45MPa, then material impact pvc pipe is extruded by extruder die orifice, and through bosh spraying cooling, finished product.
Embodiment 4
S1, raw material mixing:By 10 parts of 100 part, nanometer dead plaster of polyethylene, 2 parts of impact modifier, compound stabilizer After 0.1 part of 2 parts, 1 part of PE waxes, 0.5 part of silane coupler, 0.3 part of antiseptic and antioxidant are according to weight, first by nanometer Dead plaster is put into the stirring of high mixer high speed, after temperature reaches 100 DEG C to 120 DEG C, adds silane coupler and mixes 5 To 10 minutes;Polyethylene, impact modifier, compound stabilizer, PE waxes, antiseptic and composite antioxidant are put into high mixer again High speed is stirred, and the temperature of mixing is 120-140 DEG C, and mixed material is cooled into 40-55 DEG C after stirring 15-30min Rewinding is stand-by;
S2, granulation:The material mixed is sent into comminutor and is granulated, the temperature control of feed cylinder of granulator is in 175- 200 DEG C, obtain pellet;
S3, tubulation:It is put into after pellet is cooled down in barrel, the temperature for controlling barrel is 170-220 DEG C, and extrusion pressure is 50MPa, then material impact pvc pipe is extruded by extruder die orifice, and through bosh spraying cooling, finished product.
Sample of embodiment of the present invention pipe after testing, show that technical indicator is:
Each parameter can be seen that the PE feed pipes as made from inventive formulation from table, and shock resistance is good, and intensity is high, The strength and toughness for realizing PE feed pipes is laid equal stress on.

Claims (9)

1. a kind of antibacterial impact PE feed pipes, it is characterised in that include the raw material of following parts by weight:Wherein, polyethylene 80-100 parts, nanometer dead plaster 5-10 parts, impact modifier 0.5-2 parts, compound stabilizer 0.5-2 parts, PE waxes 0.5-1 Part, silane coupler 0.1-0.5 parts, antiseptic 0.1-0.3 parts, antioxidant 0.05-0.1 parts.
2. antibacterial impact PE feed pipes according to claim 1, it is characterised in that:The nanometer dead plaster Preparation method is:By calcium sulphate dihydrate and water according to 5-10:90-95 ratio is made into slurry, and slurry pH is 9.5-10.2, then It is put into closed reactor and is stirred continuously, reaction synthesis calcium sulfate crystal whiskers under conditions of being 105-125 DEG C in temperature, then by sulphur Sour calcium pyroborate produces a nanometer dead plaster by being dehydrated, after drying.
3. antibacterial impact PE feed pipes according to claim 2, it is characterised in that:The nanometer dead plaster is A diameter of 50-100nm dead plaster threadiness monocrystal.
4. antibacterial impact PE feed pipes according to claim 1, it is characterised in that:The impact modifier include with The raw material of lower parts by weight:Base methyl acrylate 50-60 parts, butadiene 10-20 parts, lauryl sodium sulfate 1-3 parts, persulfuric acid Potassium 0.2-0.8 parts, N, N'- methylene-bisacrylamide 0.05-0.1 parts.
5. antibacterial impact PE feed pipes according to claim 4, it is characterised in that:The preparation of the impact modifier Method is:Butadiene and appropriate deionized water are added in pressure reaction still, add what 30%-50% times of said components were measured Lauryl sodium sulfate, the 30%-50% times of potassium peroxydisulfate measured and the 30%-50% times of N measured, N'- methylene-bisacrylamides, Stirring is warming up to 70-75 DEG C, reacts l5-20h, obtains polybutadiene latex;Polybutadiene latex is added to stirring again In the flask of device, then add methyl methacrylate and appropriate deionized water, then by remaining lauryl sodium sulfate, Potassium peroxydisulfate and N, N'- methylene-bisacrylamide are added in flask, are heated with stirring to 70 DEG C, are reacted 8-10h, are obtained anti-impact and change Property agent emulsion, it is last spray-dried to obtain impact modifier.
6. antibacterial impact PE feed pipes according to claim 1, it is characterised in that:The composition of the compound stabilizer Including epoxidized soybean oil, organotin, calcium stearate and barium zinc stabilizer;Epoxidized soybean oil, organotin, calcium stearate, barium zinc are steady The mass ratio for determining agent is 2-3:2:3-4:1.
7. antibacterial impact PE feed pipes according to claim 1, it is characterised in that:The antioxidant into subpackage Include Hinered phenols antioxidant and phosphite antioxidant, the mass ratio of Hinered phenols antioxidant and phosphite antioxidant is 7-9: 1-3。
8. antibacterial impact PE feed pipes according to claim 1, it is characterised in that:The composition of the antiseptic includes Calcium hydroxide, magnesia, aluminum oxide and zinc oxide;Calcium hydroxide, magnesia, aluminum oxide, the weight ratio of zinc oxide are 5-6:3: 2:2-3。
9. the production method of antibacterial impact PE feed pipes as claimed in claim 1, it is characterised in that:Including following step Suddenly:
S1, raw material mixing:By polyethylene, nanometer dead plaster, impact modifier, compound stabilizer, PE waxes, silane coupled After agent, antiseptic and composite antioxidant are according to weight, nanometer dead plaster is first put into high mixer high speed and stirred Mix, after temperature reaches 100 DEG C to 120 DEG C, add silane coupler and mix 5 to 10 minutes;Again by polyethylene, impact-resistant modified Agent, compound stabilizer, PE waxes, antiseptic and composite antioxidant are put into high mixer high speed and are stirred, and the temperature of mixing is 120-140 DEG C, it is stand-by that mixed material is cooled to 40-55 DEG C of rewinding by stirring 15-30min afterwards;
S2, granulation:The material mixed is sent into comminutor and is granulated, the temperature control of feed cylinder of granulator is in 175-200 DEG C, obtain pellet;
S3, tubulation:It is put into after pellet is cooled down in barrel, the temperature for controlling barrel is 170-220 DEG C, extrusion pressure 35- 50MPa, then material impact pvc pipe is extruded by extruder die orifice, and through bosh spraying cooling, finished product.
CN201610750277.5A 2016-08-29 2016-08-29 Antibacterial impact PE feed pipes and its production method Pending CN107778618A (en)

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Cited By (6)

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CN112341693A (en) * 2020-11-21 2021-02-09 武汉升瑞通管业有限公司 Nontoxic environment-friendly PE water pipe and production method thereof
CN112409673A (en) * 2020-11-21 2021-02-26 武汉升瑞通管业有限公司 High-corrosion-resistance PE (polyethylene) blow-off pipe and production method thereof
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Publication number Priority date Publication date Assignee Title
CN111022786A (en) * 2019-12-30 2020-04-17 安徽杰蓝特新材料有限公司 Glass fiber reinforced PE water supply pipe and preparation method thereof
CN111533985A (en) * 2020-06-24 2020-08-14 宜昌宜硕塑业有限公司 PE drain pipe and production process thereof
CN111533985B (en) * 2020-06-24 2023-04-07 宜昌宜硕塑业有限公司 PE drain pipe and production process thereof
CN112341693A (en) * 2020-11-21 2021-02-09 武汉升瑞通管业有限公司 Nontoxic environment-friendly PE water pipe and production method thereof
CN112409673A (en) * 2020-11-21 2021-02-26 武汉升瑞通管业有限公司 High-corrosion-resistance PE (polyethylene) blow-off pipe and production method thereof
CN112409673B (en) * 2020-11-21 2023-05-02 武汉升瑞通管业有限公司 PE blow-down pipe with high corrosion resistance and production method thereof
CN112341693B (en) * 2020-11-21 2023-11-03 武汉升瑞通管业有限公司 Nontoxic environment-friendly PE water pipe and production method thereof
CN115926310A (en) * 2022-03-09 2023-04-07 江苏永顺新材料科技有限公司 Low-temperature-resistant polyethylene composite material and application thereof in refrigerator drawer
CN115926310B (en) * 2022-03-09 2024-02-20 江苏永顺新材料科技有限公司 Low-temperature-resistant polyethylene composite material and application thereof in refrigerator drawer

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