CN110408128A - A kind of wear-resisting PPR pipe and its production method - Google Patents
A kind of wear-resisting PPR pipe and its production method Download PDFInfo
- Publication number
- CN110408128A CN110408128A CN201810398072.4A CN201810398072A CN110408128A CN 110408128 A CN110408128 A CN 110408128A CN 201810398072 A CN201810398072 A CN 201810398072A CN 110408128 A CN110408128 A CN 110408128A
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- ppr
- layer
- whisker
- bluish dogbane
- mass fraction
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Classifications
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
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- D06M11/56—Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic System
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/342—Amino-carboxylic acids; Betaines; Aminosulfonic acids; Sulfo-betaines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
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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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/10—Peculiar tacticity
- C08L2207/14—Amorphous or atactic polypropylene
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Abstract
The present invention relates to a kind of wear-resisting PPR pipes and its production method, and it includes wearing layer, aluminum metal layer, buffer layer and internal layers, and buffer layer is arranged between wearing layer and internal layer;The structure of aluminum metal layer is helical form, and the material of buffer layer is aramid fiber short fibre, polyphony thioether short fiber, polyolefin resin and nylon material;The application plays the role of buffering in stress using polyolefin elastic resin.Wearing layer plays barrier, buffering and wear-resisting function.
Description
Technical field
The present invention relates to tubing production technical fields, are a kind of wear-resisting PPR pipes and its production method specifically.
Background technique
Chinese Patent Application No. 201510521087.1 is related to a kind of PPR pipe, is made of following raw material weight proportioning of soup processed:
PPR raw material 88~92%, PPR broken material 8~12%, PPR white mother 1~2%.Compared with prior art, the application is in PPR original
PPR broken material is added in material, can energy conservation and environmental protection, mitigate environmental pollution, further decrease the production cost of enterprise so that
PPR pipe has more the market competitiveness.
Chinese Patent Application No. 201510521143.1 is related to a kind of reinforced PPR pipe, is matched using following raw material weight
Than being made: PPR raw material 31%, PPR broken material 12%, PE 7%, PPR white 20%, PPR of mother reworked material 47%.With existing skill
Art is compared, and the application is by the synergistic effect between component, and PPR pipe inside and outside wall obtained is smooth, zero defect, product symbol
The related request in national standard is closed, PE7042 high density polyethylene (HDPE) is joined in raw material, makes it compared with common PPR pipe,
Due to the high density polyethylene (HDPE) characteristic big with rigid, hardness and mechanical strength, intensity is significantly improved, extends
The service life of tubing.
Chinese Patent Application No. 201520238918.X is related to a kind of multilayer PPR pipe, including PPR internal layer and PPR outer layer, institute
It states and is bonded with insulating layer between PPR internal layer and PPR outer layer;Be equipped with inside the PPR outer layer it is integrally manufactured made of metal spiral shell
Coil, the PPR outer layer are also bonded with anti-slip layer outside;Antibiotic layer is also bonded in the PPR internal layer.The PPR internal layer and PPR
Polytene heat-insulation layer is bonded between outer layer.Alumina silicate insulating layer is bonded between the PPR internal layer and PPR outer layer.The PPR
Nanometer silver antimicrobial layer is bonded in internal layer.Rubber antiskid layer is bonded with outside the PPR outer layer.The thickness of the PPR outer layer accounts for pipe
The 40% of part overall thickness.A kind of multilayer PPR pipe of the application, the insulating layer between PPR internal layer and PPR outer layer can be to PPR pipe
Play heat preservation and heat-insulated effect;Metallic coil can increase the intensity and non-deformability of PPR pipe;Nanometer silver antimicrobial layer energy
The microorganism in water is enough killed, plays the role of purifying water.
Chinese Patent Application No. 201520620896.3 is related to a kind of high-strength, antioxidant PPR pipe, including tube body, tube body
Multiple metal reinforcing rings are arranged in interval on outer wall, have and the one-to-one protruding ring of metal reinforcing ring, metal on tube wall
The protruding ring of reinforcing ring and tube wall is melting adhered.The beneficial effect of the application is that intensity is higher, service life and compressive resistance
By force.
Chinese Patent Application No. 201520621113.3 is related to a kind of PPR pipe with from dredging function, including tube body, pipe
There is fixing piece at tube body port in vivo, fixing piece includes center ring and the multiple fixed links uniformly distributed around center ring, is fixed
One end of bar is fixed on the outer of center ring, and the other end is fixed on the inner wall of tube body, and the central point of center ring is located at tube body
On axis;The lower section of center ring has connecting plate, and the lower surface of connecting plate is fixed with bend pipe, and connecting plate is fixed in one end of bend pipe
Lower surface, the other end of bend pipe extends towards the obliquely downward of inboard wall of tube body, on the side wall of bend pipe at the other end of bend pipe
It is pierced with brush;There is push-pull rod at the upper surface center of connecting plate, the upper end of push-pull rod passes through the end face that center ring stretches out tube body,
The lower surface of center ring has magnet, and connecting plate is iron plate.The beneficial effect of the application is to facilitate dredging, avoids depositing for a long time and make
At vessel wall occlusion.
Chinese Patent Application No. 201510638288.X is related to a kind of high obscurity white PPR pipe and preparation method thereof.
It includes the component of following parts by weight: PPR-100 parts, 2-5 parts of high obscurity white master batch, and 0.8-1.8 parts of masters of composite assistant
It 0.001-0.02 parts of light closing agent, is granulated, single screw rod pipe extruder carries out crowded pipe and forms to obtain.The application is by using upper
Technology is stated, the high obscurity white PPR pipe product of production meets the indices requirement in GB/T18742, the heatproof of tubing
Pressure-resistant performance is improved, and the light transmittance of tubing substantially reduces, and light transmittance falls below 0.01% from 3.5%, makes white PPR pipe
Material can be used for open air, effectively improve tubing outdoors in use process because sunlight is through tubing cause the growth of green alga with
Breeding, has further ensured the safety of drinking water.
Chinese Patent Application No. 201521090152.1 is related to a kind of hot and cold water PPR pipe part, including metal insert, metal
Set and main pipe body, can be for a long time under cold water or hot water environment in use, pipe the technical problem to be solved is that one kind is provided
The tubing products that part metal insert and main pipe body parts of plastics do not depart from.The metal insert and metallic sheath of the application PPR pipe part
It is placed in plastics injection mould and is processed after being cooperated by the step of metal insert end, the main pipe body after processing
Metallic sheath end is coated, metallic sheath can limit main pipe body causes metal insert and main pipe body to be detached from because expanding with heat and contract with cold,
Extend the pipe fitting service life.
Chinese Patent Application No. 201520219277.3 is related to a kind of PPR pipe co-extruder head, including die body, mould
Seat, plug, detachable mold core and head connector, the inside of the head connector are equipped with middle layer mold, the plug with
It is equipped with runner between detachable mold core, the two sides of the runner are provided with ring convex center release area, the ring convex center release area
Lower part be equipped with outlet release area, the detachable mold core connect with core rod screw thread, and the ring convex center release area is set to can
It dismantles between mold core and cylinder manifold, is provided with mouth mold before the detachable mold core and cylinder manifold, the PPR pipe double-layer coextrusion
Head, by by production equipment by it is single squeeze be changed to it is double squeeze, making Inner tubing layers grey outer layer is white, improves making for PPR pipe
With the service life, while same machine is used, improve high production efficiency, tube material and tube wall thickness produced is uniform, bilayer molding
Effect is good, no die parting line.
Chinese Patent Application No. 201510395011.9 is related to a kind of enhanced PPR pipe of copolymerization, including it is following by weight
The each component that percentage calculates: PPR87~93%;Masterbatch 1~3%;Stainless steel fibre master batch 5~10%;Antioxidant 0.3
~0.8%;Light stabilizer 0.1~0.5%.The preparation method of the PPR pipe is the following steps are included: 1) by PPR raw material and antioxygen
Agent, light stabilizer are added in high-speed mixer, stir evenly taking-up, then the raw material stirred evenly is put into double screw extruder
Tubing auxiliary agent master batch is made in middle extruding pelletization;2) the single spiral shell of tubing auxiliary agent master batch, Masterbatch and the PPR prepared step 1)
Bar pipe extruder carries out squeezing pipe molding, and the single screw rod pipe extruder jacket temperature is 40-70 DEG C, and barrel temperature is
180-200 DEG C, die head temperature is 200-220 DEG C, screw speed 80-95rpm, torque 45-60%, melt temperature 180-
200℃。
Chinese Patent Application No. 201510501533.2 is related to a kind of fractional crystallization method that beta crystal PPR pipe squeezes out,
It is characterized in that, comprising: the PPR resin raw material containing beta nucleater is subjected to high-temperature fusion extrusion, and the pipe of extrusion is determined
Diameter;Pipe after sizing is subjected to first time rapid cooling with the first cooling rate;Pipe is carried out slowly with the second cooling rate
Quickly cooling is but;Pipe is carried out second with third cooling rate to be quickly cooled down;Wherein, second cooling rate is cold less than first
But rate and third cooling rate, and carrying out temperature range when cooling down at a slow speed is 60-120 DEG C.
Chinese Patent Application No. 201520620897.8 is related to a kind of anti-oxidant PPR pipe of the inside with dredging unit, packet
Tube body is included, the inner wall of tube body is evenly distributed with multiple sliding slots through tube body both ends of the surface around the axis of tube body, has dredging unit in tube body,
The dredging unit includes web plate and cross, and web plate is located at the top of cross, and the edge of web plate has corresponding with sliding slot
Sliding block, sliding block are limited in sliding slot, and can along the chute direction sliding;The end of cross is limited in sliding slot to be slided along the chute
Dynamic, being located between cross and web plate in sliding slot has step surface, and sliding block can be with step face contact;There is through-hole on sliding block,
There is pull rod, one end of pull rod is fixed on cross, and the other end passes through through-hole and extends towards the end face of tube body on cross.This
The beneficial effect of application is that the dredging inside pipe is facilitated to operate, and avoids the blocking of pipeline.
Chinese Patent Application No. 201510325768.0 is related to a kind of PPR of inorganic rigid particle tertiary blending toughened system
Tubing and preparation method thereof belongs to PPR pipe toughening technology field.Use nanoparticle with polyolefin elastomer, randomly
Copolymer polypropylene PPR mixing, forms the mixed system of ternary, uses expanding material compatibilizing blending system.The application beneficial to it
Place is: due to the addition of nanoparticle, not only solving the decline of the strength of materials caused by excessively high elastomer dosage and toughness drop
Low problem further improves the comprehensive performance of PPR pipe;It is resistant to -40 DEG C of low-temperature impact, realizes PPR pipe
Toughening enhancing, and there is lower production cost;Polyolefin elastomer, nothing not only can be improved in the addition of expanding material simultaneously
The compatibility of copolymer polypropylene PPR and nanoparticle are advised, and material impact toughness and intensity has been significantly increased.
Chinese Patent Application No. 201510007465.4 is related to a kind of low temperature resistant cracking PPR pipe road that crystal form is controllable, belongs to
Tubing preparation technical field.It includes the component of following parts by weight: 100 parts of PPR, 4 parts of Masterbatch, low-temperature resistance cracking are modified
4-6 parts of agent, 2-4 parts of crystal polymorph control agent, -1-3 parts of antioxidant, 0.2-1 parts of light stabilizer, it is agitated, squeeze out, be granulated
It arrives.The application uses melting extrusion reactive grafting technology, and grafted polyethylene molecule is as long linkwork on polypropylene molecule skeleton
Band molecule obtains polypropylene low-temperature resistance cracking modifying agent, supports by the arm in PPR resin jointly with crystal polymorph control agent, squeezes out the modified pipe of PPR
Material, and the tubing is subjected to internal stress Processing for removing.The combination of two kinds of master batches can not only regulate and control polypropylene in molding process
Middle spherulite size and distribution, and can significantly improve polyacrylic brittleness and stress cracking resistance, and common PPR pipe is low temperature resistant opens
Fragility, which is compared, can be improved 200%.
Chinese Patent Application No. 201521086296.X is related to a kind of dual anti-PPR pipe line of underground mine use skeleton enhancing, belongs to
PPR pipe line technology field under mine.At least three-decker, innermost layer are dual anti-PPR inner core tube, and middle layer is steel wire
Or the hot melt adhesive adhesive layer composite layer of wirerope, fiber or the enhancing of cordage skeleton, the outside of hot melt adhesive adhesive layer is double
Anti- PPR outer tube.The surface of steel wire or wirerope, fiber in adhesive layer or cordage uniformly coats dual anti-PPR hot melt adhesive
(especially hot melt adhesive special), to guarantee that skeleton can be bonded with hot melt adhesive adhesive layer and dual anti-PPR inner and outer pipe securely well
As an entirety.Meanwhile skeleton intersects in winding, it can be effectively by him using the hot melt adhesive for being coated in their surfaces
It is mutually isolated, reduce the mutual friction and wear between steel wire or wirerope/fiber or cordage, thus including reducing tubing
Destruction and influence caused by between the pulse pair skeleton generated when portion's pressure change.
Chinese Patent Application No. 201520071966.4 is related to a kind of anticorrosion fire resistant environment-friendly PPR pipe, including PPR
Layer, described PPR layers is equipped with inside and outside PPR internal layer and PPR outer layer two layers, and polyurethane is equipped between the PPR internal layer and PPR outer layer
Layer, it is coated with winding steel wire stratum reticulare in the layer of polyurethane, improves the rigidity and tensile strength of product;The PPR outer layer
Outside is equipped with protective layer, and the protective layer is quartz sand particle layer, and quartz sand particle is adhered on PE outer layer, forms one layer of quartz
Sand stratum granulosum;The advantages of the application is: toughness is high, and elasticity is big, is able to bear lower pressure, is not easily broken, safety and environmental protection,
Improve product quality.
Chinese Patent Application No. 201520001257.9 is related to a kind of new-type thermal insulating hot water pipe, including PPR pipe channel layer, poly- ammonia
Ester foam heat-insulation layer and aluminium jacketing use bonding agent gluing polyurethane foam insulation layer, In in the outer surface of PPR pipe channel layer
The outer surface of polyurethane foam insulation layer is coated with aluminium jacketing, and one meter of PPR pipe channel layer interval is outwardly formed the first smooth circle
Arcuation protrusion, one meter of polyurethane foam insulation layer interval are outwardly formed the second smooth arc shape protrusion, aluminium jacketing interval one
Rice is outwardly formed third smooth arc shape protrusion, the position of the second smooth arc shape protrusion and radian with the first smooth arc shape
The position and radian of protrusion match, and the position of third smooth arc shape protrusion and radian are raised with the second smooth arc shape
Position and radian match.
Chinese Patent Application No. 201520001270.4 is related to a kind of new-type thermal insulating hot water pipe, including PPR pipe channel layer, rock wool
Product insulating layer and aluminium jacketing use bonding agent gluing asbestos product insulating layer in the outer surface of PPR pipe channel layer, in rock wool
The outer surface of product insulating layer is coated with aluminium jacketing, and it is convex that one meter of PPR pipe channel layer interval is outwardly formed the first smooth arc shape
It rises, one meter of asbestos product spacer insulating layer is outwardly formed the second smooth arc shape protrusion, and one meter of aluminium jacketing interval is to shape
At third smooth arc shape protrusion, the position of the position of the second smooth arc shape protrusion and radian with the first smooth arc shape protrusion
Set and match with radian, the position of third smooth arc shape protrusion and radian with the position of the second smooth arc shape protrusion and arc
Degree matches.
Chinese Patent Application No. 201510611400.0 is related to a kind of porcelain core antibacterial two-colour tube, in the smooth outer surface
The PPR pipe of the opaque antibacterial of wall surface exceptionally layer and internal layer, outer layer use pp material, and internal layer is in the base using pp material
Green color masterbatch is added on plinth, is then squeezed out simultaneously by PPR extruder;It was added in the cooling water of the mold formative stage
Strainer filtering, and dish washing liquid is added in water;The weight ratio of dish washing liquid dosage and cooling water amount is 1:100.The application adopts
With 2 kinds of polypropylene hybrid process, and filter screen is used in the cooling water of mold formative stage, and be added to dish washing liquid,
The PPR pipe outside wall surface produced can be made more smooth;The molding tubing of the application has outer layer white, the double-colored effect of internal layer green
Fruit, it is opaque that green internal layer has tubing, will not long moss, the effect of antibacterial;The tubing of outer layer white has versatility,
It is specious, good visual effect, and conventional connection and replacement can be carried out with general accessory.
Chinese Patent Application No. 201520322787.3 is related to a kind of frigid plateau region tunnel lateral direction water-drainage antifreezing heat preservation
Pipe, including drainpipe, wherein the drainpipe is made of inner tube and outer tube, wherein inner tube is PPR pipe, and outer tube is pvc pipe, inner tube
Insulating layer is equipped between outer tube, insulating layer is polyurethane heat insulation material.This drainpipe outer tube pvc pipe and inner tube PPR pipe it
Between folder alternating floor polyurethane heat insulation material since polyurethane heat insulation material has good heat spreading function can effectively eliminate environment
Influence of the temperature to temperature in pipe, plays the effect of anti-freezing and heat-insulating well, it is therefore prevented that in severe cold environment down tube water freeze and
Aqueduct frost heave rupture, it is ensured that tunnel drainage is unobstructed.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of wear-resisting PPR pipes and its production method.
The purpose of the present invention is achieved through the following technical solutions:
A kind of wear-resisting PPR pipe, it includes wearing layer, aluminum metal layer, buffer layer and internal layer, wearing layer and internal layer it
Between buffer layer is set;Barrier coat and polytetrafluorethylecoatings coatings are set gradually in wear-resisting layer surface;Polytetrafluorethylecoatings coatings are
Concaveconvex structure.
The material of barrier coat is ethylene-vinyl alcohol copolymer, by polyvinyl processability and vinyl alcohol polymer
Barrier action combine to obtain the coating with barrier action.
The thickness of barrier coat and polytetrafluorethylecoatings coatings ratio is 1:1.
The thickness of barrier coat and wearing layer ratio is 1:20~1:50.It is realized by the method for coating.
Polytetrafluorethylecoatings coatings are concaveconvex structure, and buffering and wear-resisting function are played in stress, protect tubing itself.
Play the role of buffering in stress using polyolefin elastic resin simultaneously.Wearing layer plays barrier, buffers and resistance to
The function of mill.
The thickness ratio of wearing layer, aluminum metal layer, buffer layer and internal layer is 2:1:1:4.
The structure of aluminum metal layer is helical form, plays enhancing intensity and buffer function, protect the internal layer of its tubing not by
It destroys.
The material of wearing layer is the ultra-fine mica sheet of lamellar structure, polyolefin resin and PPR material;Lamellar structure it is ultra-fine
Mass fraction of the mica sheet in the material of wearing layer is 1~10%, quality of the polyolefin resin in the material in wearing layer
Score is 10~20%.Ultra-fine mica sheet is lamellar structure material, itself has excellent wear-resisting property, and ultra-fine mica sheet
In cortex construction there is anisotropy, using the structure of lamella, to solve due to inner void caused in process
Problem, while inorganic ultra-fine mica sheet itself is blended in the amorphous region of PP material, has the steam etc. for improving amorphous region
Barrier action, to assign coating excellent wear-resisting property, while playing buffering in stress using polyolefin elastic resin
Effect.Wearing layer plays barrier, buffering and wear-resisting function.
The material of buffer layer is aramid fiber short fibre, polyphony thioether short fiber, polyolefin resin and nylon material, the short fibre of aramid fiber
Tieing up the mass fraction in the material of buffer layer is 1-5%;Mass fraction of the polyphony thioether short fiber in the material of buffer layer
It is 1~5%, mass fraction of the polyolefin resin in the material of buffer layer is 20~40%;Using aramid fiber 1313 staple fiber and
The high-intensity performance of polyphony thioether short fiber, with play enhancing buffer layer intensity, while using polyolefin elastic resin by
Power plays the role of buffering.Nylon material itself is also to have very high intensity.
The material of internal layer is auto purification PPR substrate and PPR material, quality of the auto purification PPR substrate in the material of internal layer
Score is 10~25%.
A kind of production method of auto purification PPR substrate, the specific steps are that:
(1) production of bluish dogbane whisker:
Take what is cleaned up to spread out the dregs of linseeds or sesame seeds, it is molten using the urea liquid progress of potassium hydroxide under the conditions of minus 10~15 DEG C
Solution after dissolution completely, using the method for ultracentrifugation, collects the product of centrifugation bottom of the tube, then washed using deionized water
It washs three times, then obtains bluish dogbane whisker for 24 hours in 60 DEG C of vacuum drying;
In the urea liquid of the potassium hydroxide, the mass fraction of sodium hydroxide is 4~9%, the mass fraction of urea
It is 1.5~3.5%;
In ultracentrifugation technique, centrifugal force is 8100~15000g;
Dogbane tea itself is a kind of good natural antibacterial health-care material, is that good fiber crops are fine in bluish dogbane tea grounds itself
Dimension has fiber content high, and the cellulosic structure degree of orientation is high in fiber, fiber alignment marshalling, and fibre strength is high, leads to simultaneously
Hot-cold lysis in the aqueous slkali using current urea is crossed, impurity can be significantly removed and is reduced in cellulose as orientation knot
Brilliant crystal whisker materials, thus by the dissolution of the aqueous slkali of urea after, cellulose whiskers natural in flaxen fiber are retained in lysate
Material;And crystal whisker materials are as a kind of excellent reinforcing material, are widely used in fields such as enhancings for plastic pipe etc., and
And after cellulose whiskers, reduces the dehydration due to the ehter bond in the glucose molecule structure in cellulose and make its heat-resisting temperature
Spend it is low, easily charing and cause to decompose in plastic processes, lead to reinforcing material strength reduction;Therefore it is urinated by low temperature
The aqueous slkali dissolution Random fiber element of element, obtains natural cellulose whiskers material, has heat resisting temperature high, and reinforcing effect is good etc.
Advantage.
(2) it is acidified the production of bluish dogbane whisker:
Using the bluish dogbane whisker of step (1) preparation as raw material, acidification activation processing is carried out to bluish dogbane whisker, is then existed again
Under the conditions of 62~82 DEG C, bluish dogbane whisker is added in the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, makes 1,3- propane diamine tetrem
Acid is grafted on bluish dogbane whisker, and filtering is dried in vacuo under the conditions of 60 DEG C again, and acidification bluish dogbane whisker is prepared;
The acidification activation process of bluish dogbane whisker is Strong oxdiative acidic mixed solution, is impregnated under the conditions of 80~90 DEG C
3~6h;
Strong oxdiative acidic mixed solution is the mixed solution of nitric acid and hydrogen peroxide, and wherein the mass fraction of nitric acid solution is 10
~15%, the mass fraction of hydrogen peroxide solution is 10~15%;
In the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, the mass fraction of 1,3- trimethylen-edinitrilo-tetraacetic acid is 5~8%;
The graft reaction time is 1.4~2.4h;
Containing the hydroxyl structure of glucose in the cellulosic structure of dogbane tea, it is anti-esterification can to occur with carboxylic acid structure
It answers, is improved using esterification and the functionalization of cellulose itself is presently the most effective means;But there is also functions
The function of material itself is difficult to merge with material, especially influence function and processing performance;Therefore the application passes through to cellulose
Acidification and oxidation processes are carried out, using the strong oxidation of nitric acid and hydrogen peroxide, hydroxyl activity in fibre structure are improved, to have
Esterification occurs in water phase conducive to 1,3- trimethylen-edinitrilo-tetraacetic acid, avoids 1, the 3- trimethylen-edinitrilo-tetraacetic acid due to aqueous solution
In carboxylic acid structure it is low with hydroxyl structure activity, the problems such as esterification rate is slow, and enzymatic synthesis condition is harsh;The 1,3- the third two introduced simultaneously
Amine tetraacethyl structure can be good at carrying out complex reaction with metal ion, to improve the heat-resistant stability of cellulose whiskers
Can, and since complex ion itself is in cellulose surface precipitating, to improve its functional effect and reinforcing effect.
(3) production of bio-modification agent:
Acidification bluish dogbane whisker prepared by step (2) is added in the mixed solution of zinc sulfate and magnesium sulfate, then uses sulphur
The pH that acid adjusts mixed solution is 5.05~5.15, under 45~60 DEG C of stirring conditions, makes zinc ion and acidification bluish dogbane whisker
Complex reaction is carried out, after generating again without precipitating in solution to be mixed, then adjusting pH is 6.0~6.5, then is stirred at 45~60 DEG C
Under the conditions of, so that magnesium ion and acidification bluish dogbane whisker is carried out complex reaction, is generated in solution to be mixed without precipitating and stop reaction, received
Collect sediment to react for 24 hours in 60 DEG C of vacuum drying again, obtains bio-modification agent;
The mass values of the acidification bluish dogbane whisker and zinc sulfate are 1:0.15~1:0.25;
The mass values of the acidification bluish dogbane whisker and magnesium sulfate are 1:0.10~1:0.15;
The mass fraction of zinc sulfate is 15~25% in the mixed solution;
The mass fraction of magnesium sulfate is 10~15% in the mixed solution;
Acidified bluish dogbane whisker itself contain can with the amino and carbonyl structure of complexing of metal ion, by with gold
After belonging to ion complexation, amino and carbonyl structure pyrolytic are avoided;There is the zinc ion of complexing excellent antibacterial to imitate simultaneously
Fruit, but copper ion itself has the function of catalyst, polyester degradation, therefore passes through the control and regulation trimethylen-edinitrilo-tetraacetic acid and metal of pH
The complexing sequence of ion, reaches and zinc ion is first complexed on bluish dogbane whisker, magnesium ion is then complexed again, reach to zinc ion
The purpose of cladding avoids the loss of zinc ion and leads to the degradation of polyester, to improve polyacrylic intensity.And whisker material
Material is the material with certain draw ratio, by both having and improving the heat-resisting of crystal whisker materials after the complexation of metal ions of surface
Stability, while also there is the roughness for improving surface, the compatibility structure with polypropylene material is improved, to improve enhancing effect
Fruit.
(4) production of auto purification PPR substrate:
With bio-modification agent prepared by step (3), jade powder, compatilizer and PPR particle are logical using double screw extruder
It crosses hot-melt extrusion process and obtains auto purification PPR substrate;Mass fraction of the jade powder in auto purification PPR substrate is 1~5%;It is raw
Mass fraction of the object modifying agent in auto purification PPR substrate is 5~10%;Compatilizer is in the quality in auto purification PPR substrate
Score is 0.1~1%.
Jade powder has the breeding for inhibiting bacterium and microorganism, and antibacterial effect is obvious, does not form mildew for a long time, dispels water
Pernicious gas and impurity brought by Guan Zhongshui, "dead", health environment-friendly.To make tubing that there is self-purification function.
A kind of production method of wear-resisting PPR pipe, wearing layer, aluminum metal layer, buffer layer and internal layer pass through coextrusion mold,
And hot-melt adhesive paste is carried out by hot melt adhesive between layers.
Barrier coat and polytetrafluorethylecoatings coatings are set gradually in wear-resisting layer surface;Pass sequentially through the process of coating
It realizes.
The application also provides a kind of water pipe of double-layer wear-resistant, and outer layer is PE internal layer, and internal layer is auto purification PPR substrate;It is interior
Layer and outer layer are with a thickness of 2:1.It is formed by the extruder of tubing.
The application also provides a kind of water pipe of three layers of auto purification, and outer layer is PE material, and middle layer is glass fibre and increasing
Tough dose, internal layer is auto purification PPR substrate;Outer layer, middle layer and internal layer are 2:1:2.The mass ratio of glass fibre and toughener
For 1:3.Toughener is low density polyethylene (LDPE) etc..It is formed by the extruder of tubing.
Compared with prior art, the positive effect of the present invention is:
Contain jade powder in the Inner tubing layers of the application, there is the breeding for inhibiting bacterium and microorganism, antibacterial effect is bright
It is aobvious, mildew is not formed for a long time, dispels pernicious gas and impurity brought by water in water pipe, "dead", health environment-friendly.To
Make tubing that there is self-purification function.
Appended drawing reference
The structural schematic diagram of Fig. 1 the present embodiment 1.
The label in accompanying drawing is: 1 internal layer, 2 buffer layers, 3 aluminum metal layers, 4 wearing layers.
Specific embodiment
It a kind of preparation method of high-performance coconut husk auxiliary agent of the present invention presented below and its is applied in textile material specific
Embodiment.
Embodiment 1
Refer to attached drawing 1, a kind of wear-resisting PPR pipe, it includes wearing layer 4, aluminum metal layer 3, buffer layer 2 and internal layer 1,
Buffer layer is set between wearing layer and internal layer.
Barrier coat and polytetrafluorethylecoatings coatings are set gradually in wear-resisting layer surface;Polytetrafluorethylecoatings coatings are concave-convex knot
Structure.
The thickness of barrier coat and polytetrafluorethylecoatings coatings ratio is 1:1.
The thickness of barrier coat and wearing layer ratio is 1:20~1:50.It is realized by the method for coating.
The thickness ratio of wearing layer, aluminum metal layer, buffer layer and internal layer is 2:1:1:4.
The material of wearing layer is the ultra-fine mica sheet of lamellar structure, polyolefin resin and PPR material;Lamellar structure it is ultra-fine
Mass fraction of the mica sheet in the material of wearing layer is 2%, mass fraction of the polyolefin resin in the material in wearing layer
It is 10%.Ultra-fine mica sheet is lamellar structure material, itself has excellent wear-resisting property, and the cortex in ultra-fine mica sheet
Structure has anisotropy, using the structure of lamella, to solve the problems, such as due to inner void caused in process, simultaneously
Inorganic ultra-fine mica sheet itself is blended in the amorphous region of PP material, and there is the barrier of steam for improving amorphous region etc. to make
With to assign coating excellent wear-resisting property, while playing the role of buffering in stress using polyolefin elastic resin.It is resistance to
Mill layer plays barrier, buffering and wear-resisting function.
The material of buffer layer is aramid fiber short fibre, polyphony thioether short fiber, polyolefin resin and nylon material, the short fibre of aramid fiber
Tieing up the mass fraction in the material of buffer layer is 1%;Mass fraction of the polyphony thioether short fiber in the material of buffer layer be
1%, mass fraction of the polyolefin resin in the material of buffer layer is 20%;It is short using aramid fiber 1313 staple fiber and polyphenylene sulfide
The high-intensity performance of fiber to play the intensity of enhancing buffer layer, while playing buffering in stress using polyolefin elastic resin
Effect.Nylon material itself is also to have very high intensity.
The material of internal layer is auto purification PPR substrate and PPR material, quality of the auto purification PPR substrate in the material of internal layer
Score is 10%.
A kind of production method of auto purification PPR substrate, the specific steps are that:
(1) production of bluish dogbane whisker:
Take what is cleaned up to spread out the dregs of linseeds or sesame seeds, it is molten using the urea liquid progress of potassium hydroxide under the conditions of minus 10~15 DEG C
Solution after dissolution completely, using the method for ultracentrifugation, collects the product of centrifugation bottom of the tube, then washed using deionized water
It washs three times, then obtains bluish dogbane whisker for 24 hours in 60 DEG C of vacuum drying;
In the urea liquid of the potassium hydroxide, the mass fraction of sodium hydroxide is 4%, and the mass fraction of urea is
1.5%;
In ultracentrifugation technique, centrifugal force is 8100~15000g;
(2) it is acidified the production of bluish dogbane whisker:
Using the bluish dogbane whisker of step (1) preparation as raw material, acidification activation processing is carried out to bluish dogbane whisker, is then existed again
Under the conditions of 62~82 DEG C, bluish dogbane whisker is added in the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, makes 1,3- propane diamine tetrem
Acid is grafted on bluish dogbane whisker, and filtering is dried in vacuo under the conditions of 60 DEG C again, and acidification bluish dogbane whisker is prepared;
The acidification activation process of bluish dogbane whisker is Strong oxdiative acidic mixed solution, is impregnated under the conditions of 80~90 DEG C
3~6h;
Strong oxdiative acidic mixed solution is the mixed solution of nitric acid and hydrogen peroxide, and wherein the mass fraction of nitric acid solution is
10%, the mass fraction of hydrogen peroxide solution is 10%;
In the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, the mass fraction of 1,3- trimethylen-edinitrilo-tetraacetic acid is 5%;
The graft reaction time is 1.4~2.4h;
(3) production of bio-modification agent:
Acidification bluish dogbane whisker prepared by step (2) is added in the mixed solution of zinc sulfate and magnesium sulfate, then uses sulphur
The pH that acid adjusts mixed solution is 5.05~5.15, under 45~60 DEG C of stirring conditions, makes zinc ion and acidification bluish dogbane whisker
Complex reaction is carried out, after generating again without precipitating in solution to be mixed, then adjusting pH is 6.0~6.5, then is stirred at 45~60 DEG C
Under the conditions of, so that magnesium ion and acidification bluish dogbane whisker is carried out complex reaction, is generated in solution to be mixed without precipitating and stop reaction, received
Collect sediment to react for 24 hours in 60 DEG C of vacuum drying again, obtains bio-modification agent;
The mass values of the acidification bluish dogbane whisker and zinc sulfate are 1:0.15;
The mass values of the acidification bluish dogbane whisker and magnesium sulfate are 1:0.10;
The mass fraction of zinc sulfate is 15% in the mixed solution;
The mass fraction of magnesium sulfate is 10% in the mixed solution;
(4) production of auto purification PPR substrate:
With bio-modification agent prepared by step (3), jade powder, compatilizer and PPR particle are logical using double screw extruder
It crosses hot-melt extrusion process and obtains auto purification PPR substrate;Mass fraction of the jade powder in auto purification PPR substrate is 1%;Biology changes
Property mass fraction of the agent in auto purification PPR substrate be 5%, compatilizer is in the mass fraction in auto purification PPR substrate
0.2%.
Jade powder has the breeding for inhibiting bacterium and microorganism, and antibacterial effect is obvious, does not form mildew for a long time, dispels water
Pernicious gas and impurity brought by Guan Zhongshui, "dead", health environment-friendly.To make tubing that there is self-purification function.
The internal layer anti-microbial property of the tubing of the application is the antibiotic property > 95% to Escherichia coli, to staphylococcus glucose ball
The antibiotic property > 95% of bacterium.The internal layer anti-microbial property of the tubing of the application is 48 hours to Escherichia coli later antibiotic property >
95%, to 48 hours of staphylococcus glucose coccus later antibiotic property > 95%.
Embodiment 2
A kind of wear-resisting PPR pipe, it includes wearing layer, aluminum metal layer, buffer layer and internal layer, wearing layer and internal layer it
Between buffer layer is set.
Barrier coat and polytetrafluorethylecoatings coatings are set gradually in wear-resisting layer surface;Polytetrafluorethylecoatings coatings are concave-convex knot
Structure.
The thickness of barrier coat and polytetrafluorethylecoatings coatings ratio is 1:1.
The thickness of barrier coat and wearing layer ratio is 1:20~1:50.It is realized by the method for coating.
The thickness ratio of wearing layer, aluminum metal layer, buffer layer and internal layer is 2:1:1:4.
The material of wearing layer is the ultra-fine mica sheet of lamellar structure, polyolefin resin and PPR material;Lamellar structure it is ultra-fine
Mass fraction of the mica sheet in the material of wearing layer is 5%, mass fraction of the polyolefin resin in the material in wearing layer
It is 15%.
The material of buffer layer is aramid fiber short fibre, polyphony thioether short fiber, polyolefin resin and nylon material, the short fibre of aramid fiber
Tieing up the mass fraction in the material of buffer layer is 3%;Mass fraction of the polyphony thioether short fiber in the material of buffer layer be
3%, mass fraction of the polyolefin resin in the material of buffer layer is 30%;It is short using aramid fiber 1313 staple fiber and polyphenylene sulfide
The high-intensity performance of fiber to play the intensity of enhancing buffer layer, while playing buffering in stress using polyolefin elastic resin
Effect.Nylon material itself is also to have very high intensity.
The material of internal layer is auto purification PPR substrate and PPR material, quality of the auto purification PPR substrate in the material of internal layer
Score is 18%.
A kind of production method of auto purification PPR substrate, the specific steps are that:
(1) production of bluish dogbane whisker:
Take what is cleaned up to spread out the dregs of linseeds or sesame seeds, it is molten using the urea liquid progress of potassium hydroxide under the conditions of minus 10~15 DEG C
Solution after dissolution completely, using the method for ultracentrifugation, collects the product of centrifugation bottom of the tube, then washed using deionized water
It washs three times, then obtains bluish dogbane whisker for 24 hours in 60 DEG C of vacuum drying;
In the urea liquid of the potassium hydroxide, the mass fraction of sodium hydroxide is 9%, and the mass fraction of urea is
13.5%;
In ultracentrifugation technique, centrifugal force is 8100~15000g;
(2) it is acidified the production of bluish dogbane whisker:
Using the bluish dogbane whisker of step (1) preparation as raw material, acidification activation processing is carried out to bluish dogbane whisker, is then existed again
Under the conditions of 62~82 DEG C, bluish dogbane whisker is added in the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, makes 1,3- propane diamine tetrem
Acid is grafted on bluish dogbane whisker, and filtering is dried in vacuo under the conditions of 60 DEG C again, and acidification bluish dogbane whisker is prepared;
The acidification activation process of bluish dogbane whisker is Strong oxdiative acidic mixed solution, is impregnated under the conditions of 80~90 DEG C
3~6h;
Strong oxdiative acidic mixed solution is the mixed solution of nitric acid and hydrogen peroxide, and wherein the mass fraction of nitric acid solution is
12%, the mass fraction of hydrogen peroxide solution is 12%;
In the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, the mass fraction of 1,3- trimethylen-edinitrilo-tetraacetic acid is 5~8%;
The graft reaction time is 1.4~2.4h;
(3) production of bio-modification agent:
Acidification bluish dogbane whisker prepared by step (2) is added in the mixed solution of zinc sulfate and magnesium sulfate, then uses sulphur
The pH that acid adjusts mixed solution is 5.05~5.15, under 45~60 DEG C of stirring conditions, makes zinc ion and acidification bluish dogbane whisker
Complex reaction is carried out, after generating again without precipitating in solution to be mixed, then adjusting pH is 6.0~6.5, then is stirred at 45~60 DEG C
Under the conditions of, so that magnesium ion and acidification bluish dogbane whisker is carried out complex reaction, is generated in solution to be mixed without precipitating and stop reaction, received
Collect sediment to react for 24 hours in 60 DEG C of vacuum drying again, obtains bio-modification agent;
The mass values of the acidification bluish dogbane whisker and zinc sulfate are 1:0.2;
The mass values of the acidification bluish dogbane whisker and magnesium sulfate are 1:0.13;
The mass fraction of zinc sulfate is 20% in the mixed solution;
The mass fraction of magnesium sulfate is 12% in the mixed solution;
(4) production of auto purification PPR substrate:
With bio-modification agent prepared by step (3), jade powder, compatilizer and PPR particle are logical using double screw extruder
It crosses hot-melt extrusion process and obtains auto purification PPR substrate;Mass fraction of the jade powder in auto purification PPR substrate is 3%;Biology changes
Property mass fraction of the agent in auto purification PPR substrate be 8%, compatilizer is in the mass fraction in auto purification PPR substrate
0.5%.
The internal layer anti-microbial property of the tubing of the application is the antibiotic property > 96% to Escherichia coli, to staphylococcus glucose ball
The antibiotic property > 96% of bacterium.The internal layer anti-microbial property of the tubing of the application is 48 hours to Escherichia coli later antibiotic property >
96%, to 48 hours of staphylococcus glucose coccus later antibiotic property > 96%.
Embodiment 3
A kind of wear-resisting PPR pipe, it includes wearing layer, aluminum metal layer, buffer layer and internal layer, wearing layer and internal layer it
Between buffer layer is set.
Barrier coat and polytetrafluorethylecoatings coatings are set gradually in wear-resisting layer surface;Polytetrafluorethylecoatings coatings are concave-convex knot
Structure.
The thickness of barrier coat and polytetrafluorethylecoatings coatings ratio is 1:1.
The thickness of barrier coat and wearing layer ratio is 1:20~1:50.It is realized by the method for coating.
The thickness ratio of wearing layer, aluminum metal layer, buffer layer and internal layer is 2:1:1:4.
The material of wearing layer is the ultra-fine mica sheet of lamellar structure, polyolefin resin and PPR material;Lamellar structure it is ultra-fine
Mass fraction of the mica sheet in the material of wearing layer is 10%, mass fraction of the polyolefin resin in the material in wearing layer
It is 20%.
The material of buffer layer is aramid fiber short fibre, polyphony thioether short fiber, polyolefin resin and nylon material, the short fibre of aramid fiber
Tieing up the mass fraction in the material of buffer layer is 5%;Mass fraction of the polyphony thioether short fiber in the material of buffer layer be
5%, mass fraction of the polyolefin resin in the material of buffer layer is 20~40%;Utilize aramid fiber 1313 staple fiber and polyphenylene sulfide
The high-intensity performance of ether staple fiber to play the intensity of enhancing buffer layer, while being played using polyolefin elastic resin in stress
The effect of buffering.Nylon material itself is also to have very high intensity.
The material of internal layer is auto purification PPR substrate and PPR material, quality of the auto purification PPR substrate in the material of internal layer
Score is 25%.
A kind of production method of auto purification PPR substrate, the specific steps are that:
(1) production of bluish dogbane whisker:
Take what is cleaned up to spread out the dregs of linseeds or sesame seeds, it is molten using the urea liquid progress of potassium hydroxide under the conditions of minus 10~15 DEG C
Solution after dissolution completely, using the method for ultracentrifugation, collects the product of centrifugation bottom of the tube, then washed using deionized water
It washs three times, then obtains bluish dogbane whisker for 24 hours in 60 DEG C of vacuum drying;
In the urea liquid of the potassium hydroxide, the mass fraction of sodium hydroxide is 9%, and the mass fraction of urea is
3.5%;
In ultracentrifugation technique, centrifugal force is 8100~15000g;
(2) it is acidified the production of bluish dogbane whisker:
Using the bluish dogbane whisker of step (1) preparation as raw material, acidification activation processing is carried out to bluish dogbane whisker, is then existed again
Under the conditions of 62~82 DEG C, bluish dogbane whisker is added in the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, makes 1,3- propane diamine tetrem
Acid is grafted on bluish dogbane whisker, and filtering is dried in vacuo under the conditions of 60 DEG C again, and acidification bluish dogbane whisker is prepared;
The acidification activation process of bluish dogbane whisker is Strong oxdiative acidic mixed solution, is impregnated under the conditions of 80~90 DEG C
3~6h;
Strong oxdiative acidic mixed solution is the mixed solution of nitric acid and hydrogen peroxide, and wherein the mass fraction of nitric acid solution is
15%, the mass fraction of hydrogen peroxide solution is 15%;
In the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, the mass fraction of 1,3- trimethylen-edinitrilo-tetraacetic acid is 5~8%;
The graft reaction time is 1.4~2.4h;
(3) production of bio-modification agent:
Acidification bluish dogbane whisker prepared by step (2) is added in the mixed solution of zinc sulfate and magnesium sulfate, then uses sulphur
The pH that acid adjusts mixed solution is 5.05~5.15, under 45~60 DEG C of stirring conditions, makes zinc ion and acidification bluish dogbane whisker
Complex reaction is carried out, after generating again without precipitating in solution to be mixed, then adjusting pH is 6.0~6.5, then is stirred at 45~60 DEG C
Under the conditions of, so that magnesium ion and acidification bluish dogbane whisker is carried out complex reaction, is generated in solution to be mixed without precipitating and stop reaction, received
Collect sediment to react for 24 hours in 60 DEG C of vacuum drying again, obtains bio-modification agent;
The mass values of the acidification bluish dogbane whisker and zinc sulfate are 1:0.25;
The mass values of the acidification bluish dogbane whisker and magnesium sulfate are 1:0.15;
The mass fraction of zinc sulfate is 25% in the mixed solution;
The mass fraction of magnesium sulfate is 15% in the mixed solution;
(4) production of auto purification PPR substrate:
With bio-modification agent prepared by step (3), jade powder, compatilizer and PPR particle are logical using double screw extruder
It crosses hot-melt extrusion process and obtains auto purification PPR substrate;Mass fraction of the jade powder in auto purification PPR substrate is 5%;Biology changes
Property mass fraction of the agent in auto purification PPR substrate be 10%, compatilizer is in the mass fraction in auto purification PPR substrate
1%.
The internal layer anti-microbial property of the tubing of the application is the antibiotic property > 93% to Escherichia coli, to staphylococcus glucose ball
The antibiotic property > 93% of bacterium.The internal layer anti-microbial property of the tubing of the application is 48 hours to Escherichia coli later antibiotic property >
93%, to 48 hours of staphylococcus glucose coccus later antibiotic property > 93%.
Embodiment 4
A kind of wear-resisting PPR pipe, it includes wearing layer, aluminum metal layer, buffer layer and internal layer, wearing layer and internal layer it
Between buffer layer is set.
Barrier coat and polytetrafluorethylecoatings coatings are set gradually in wear-resisting layer surface;Polytetrafluorethylecoatings coatings are concave-convex knot
Structure.
The thickness of barrier coat and polytetrafluorethylecoatings coatings ratio is 1:1.
The thickness of barrier coat and wearing layer ratio is 1:20~1:50.It is realized by the method for coating.
The thickness ratio of wearing layer, aluminum metal layer, buffer layer and internal layer is 2:1:1:4.
The material of wearing layer is the ultra-fine mica sheet of lamellar structure, polyolefin resin and PPR material;Lamellar structure it is ultra-fine
Mass fraction of the mica sheet in the material of wearing layer is 5%, mass fraction of the polyolefin resin in the material in wearing layer
It is 15%.
The material of buffer layer is aramid fiber short fibre, polyphony thioether short fiber, polyolefin resin and nylon material, the short fibre of aramid fiber
Tieing up the mass fraction in the material of buffer layer is 3%;Mass fraction of the polyphony thioether short fiber in the material of buffer layer be
3%, mass fraction of the polyolefin resin in the material of buffer layer is 30%;It is short using aramid fiber 1313 staple fiber and polyphenylene sulfide
The high-intensity performance of fiber to play the intensity of enhancing buffer layer, while playing buffering in stress using polyolefin elastic resin
Effect.Nylon material itself is also to have very high intensity.
The material of internal layer is auto purification PPR substrate and PPR material, quality of the auto purification PPR substrate in the material of internal layer
Score is 18%.
A kind of production method of auto purification PPR substrate, the specific steps are that:
(1) production of bluish dogbane whisker:
Take what is cleaned up to spread out the dregs of linseeds or sesame seeds, it is molten using the urea liquid progress of potassium hydroxide under the conditions of minus 10~15 DEG C
Solution after dissolution completely, using the method for ultracentrifugation, collects the product of centrifugation bottom of the tube, then washed using deionized water
It washs three times, then obtains bluish dogbane whisker for 24 hours in 60 DEG C of vacuum drying;
In the urea liquid of the potassium hydroxide, the mass fraction of sodium hydroxide is 9%, and the mass fraction of urea is
13.5%;
In ultracentrifugation technique, centrifugal force is 8100~15000g;
(2) it is acidified the production of bluish dogbane whisker:
Using the bluish dogbane whisker of step (1) preparation as raw material, acidification activation processing is carried out to bluish dogbane whisker, is then existed again
Under the conditions of 62~82 DEG C, bluish dogbane whisker is added in the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, makes 1,3- propane diamine tetrem
Acid is grafted on bluish dogbane whisker, and filtering is dried in vacuo under the conditions of 60 DEG C again, and acidification bluish dogbane whisker is prepared;
The acidification activation process of bluish dogbane whisker is Strong oxdiative acidic mixed solution, is impregnated under the conditions of 80~90 DEG C
3~6h;
Strong oxdiative acidic mixed solution is the mixed solution of nitric acid and hydrogen peroxide, and wherein the mass fraction of nitric acid solution is
12%, the mass fraction of hydrogen peroxide solution is 12%;
In the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, the mass fraction of 1,3- trimethylen-edinitrilo-tetraacetic acid is 5~8%;
The graft reaction time is 1.4~2.4h;
(3) production of bio-modification agent:
Acidification bluish dogbane whisker prepared by step (2) is added in solution of zinc sulfate, then adjusts mixed solution with sulfuric acid
PH be 5.05~5.15, under 45~60 DEG C of stirring conditions, make zinc ion and acidification bluish dogbane whisker carry out complex reaction, to
After being generated again without precipitating in mixed solution, collects sediment and reacted for 24 hours in 60 DEG C of vacuum drying again, obtain bio-modification agent;
The mass values of the acidification bluish dogbane whisker and zinc sulfate are 1:0.2;
The mass fraction of zinc sulfate is 20% in the solution;
(4) production of auto purification PPR substrate:
With bio-modification agent prepared by step (3), jade powder, compatilizer and PPR particle are logical using double screw extruder
It crosses hot-melt extrusion process and obtains auto purification PPR substrate;Mass fraction of the jade powder in auto purification PPR substrate is 3%;Biology changes
Property mass fraction of the agent in auto purification PPR substrate be 8%, compatilizer is in the mass fraction in auto purification PPR substrate
0.5%.
The internal layer anti-microbial property of the tubing of the application is the antibiotic property > 89% to Escherichia coli, to staphylococcus glucose ball
The antibiotic property > 89% of bacterium.The internal layer anti-microbial property of the tubing of the application is 48 hours to Escherichia coli later antibiotic property >
85%, to 48 hours of staphylococcus glucose coccus later antibiotic property > 85%.The present embodiment 2 is just the absence of magnesium ion to zinc
This technique of the cladding of ion, anti-microbial property compared with Example 2, have dropped 10% or so;After especially 48 hours
Antibacterial effect, have dropped 15% or so, Durability of antimicrobial effect is in being decreased obviously trend.
Embodiment 5
A kind of water pipe of double-layer wear-resistant, outer layer are PE material, and internal layer is auto purification PPR substrate;The thickness of internal layer and outer layer
Degree is 2:1.It is formed by the extruder of tubing.
The preparation method is the same as that of Example 1 for auto purification PPR substrate.
Embodiment 6
A kind of water pipe of double-layer wear-resistant, outer layer are PE material, and internal layer is auto purification PPR substrate;The thickness of internal layer and outer layer
Degree is 2:1.It is formed by the extruder of tubing.
The preparation method of auto purification PPR substrate is the same as embodiment 2.
Embodiment 7
A kind of water pipe of double-layer wear-resistant, outer layer are PE material, and internal layer is auto purification PPR substrate;The thickness of internal layer and outer layer
Degree is 2:1.It is formed by the extruder of tubing.
The preparation method of auto purification PPR substrate is the same as embodiment 3.
Embodiment 8
The application also provides a kind of water pipe of three layers of auto purification, and outer layer is PE material, and middle layer is glass fibre and increasing
Tough dose, internal layer is auto purification PPR substrate;Outer layer, middle layer and internal layer are 2:1:2.The mass ratio of glass fibre and toughener
For 1:3.Toughener is low density polyethylene (LDPE) etc..It is formed by the extruder of tubing.
The preparation method is the same as that of Example 1 for auto purification PPR substrate.
Embodiment 9
The application also provides a kind of water pipe of three layers of auto purification, and outer layer is PE material, and middle layer is glass fibre and increasing
Tough dose, internal layer is auto purification PPR substrate;Outer layer, middle layer and internal layer are 2:1:2.The mass ratio of glass fibre and toughener
For 1:3.Toughener is low density polyethylene (LDPE) etc..It is formed by the extruder of tubing.
The preparation method of auto purification PPR substrate is the same as embodiment 2.
Embodiment 10
The application also provides a kind of water pipe of three layers of auto purification, and outer layer is PE material, and middle layer is glass fibre and increasing
Tough dose, internal layer is auto purification PPR substrate;Outer layer, middle layer and internal layer are 2:1:2.The mass ratio of glass fibre and toughener
For 1:3.Toughener is low density polyethylene (LDPE) etc..It is formed by the extruder of tubing.
The preparation method of auto purification PPR substrate is the same as embodiment 3.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, without departing from the inventive concept of the premise, can also make several improvements and modifications, these improvements and modifications also should be regarded as
In protection scope of the present invention.
Claims (6)
1. a kind of wear-resisting PPR pipe, it includes wearing layer, aluminum metal layer, buffer layer and internal layers, between wearing layer and internal layer
Buffer layer is set;Barrier coat and polytetrafluorethylecoatings coatings are set gradually in wear-resisting layer surface;Polytetrafluorethylecoatings coatings are recessed
Male structure.
2. the wear-resisting PPR pipe of one kind according to claim 1, which is characterized in that wearing layer, aluminum metal layer, buffer layer
Thickness ratio with internal layer is 2:1:1:4.
3. the wear-resisting PPR pipe of one kind according to claim 1, which is characterized in that the material of wearing layer is lamellar structure
Ultra-fine mica sheet, polyolefin resin and PPR material;Quality of the ultra-fine mica sheet of lamellar structure in the material of wearing layer point
Number is 1~10%, and mass fraction of the polyolefin resin in the material in wearing layer is 10~20%.
4. the wear-resisting PPR pipe of one kind according to claim 1, which is characterized in that the material of buffer layer is the short fibre of aramid fiber
Dimension, polyphony thioether short fiber, polyolefin resin and nylon material, mass fraction of the aramid fiber short fibre in the material of buffer layer are
1-5%;Mass fraction of the polyphony thioether short fiber in the material of buffer layer is 1~5%, material of the polyolefin resin in buffer layer
Mass fraction in material is 20~40%.
5. the wear-resisting PPR pipe of one kind according to claim 1, which is characterized in that the material of internal layer is auto purification PPR base
Material and PPR material, mass fraction of the auto purification PPR substrate in the material of internal layer are 10~25%.
6. the wear-resisting PPR pipe of one kind according to claim 5, which is characterized in that the life of the auto purification PPR substrate
Production method, the specific steps are that:
(1) production of bluish dogbane whisker:
It takes what is cleaned up to spread out the dregs of linseeds or sesame seeds, is dissolved under the conditions of minus 10~15 DEG C using the urea liquid of potassium hydroxide, it is molten
After solution is complete, using the method for ultracentrifugation, the product of centrifugation bottom of the tube is collected, then washing three is carried out using deionized water
It is secondary, then bluish dogbane whisker is obtained for 24 hours in 60 DEG C of vacuum drying;
(2) it is acidified the production of bluish dogbane whisker:
Using the bluish dogbane whisker of step (1) preparation as raw material, acidification activation processing is carried out to bluish dogbane whisker, then again 62~
Under the conditions of 82 DEG C, bluish dogbane whisker is added in the aqueous solution of 1,3- trimethylen-edinitrilo-tetraacetic acid, connects 1,3- trimethylen-edinitrilo-tetraacetic acid
On bluish dogbane whisker, filtering is dried in vacuo under the conditions of 60 DEG C branch again, and acidification bluish dogbane whisker is prepared;
(3) production of bio-modification agent:
Acidification bluish dogbane whisker prepared by step (2) is added in the mixed solution of zinc sulfate and magnesium sulfate, then with sulfuric acid tune
The pH for saving mixed solution is 5.05~5.15, under 45~60 DEG C of stirring conditions, carries out zinc ion and acidification bluish dogbane whisker
Complex reaction, after generating again without precipitating in solution to be mixed, then adjusting pH is 6.0~6.5, then in 45~60 DEG C of stirring conditions
Under, so that magnesium ion and acidification bluish dogbane whisker is carried out complex reaction, generated in solution to be mixed without precipitating and stop reaction, it is heavy to collect
Starch is reacted for 24 hours in 60 DEG C of vacuum drying again, obtains bio-modification agent;
(4) production of auto purification PPR substrate:
With bio-modification agent prepared by step (3), jade powder, compatilizer and PPR particle use double screw extruder to pass through heat
Molten extrusion process obtains auto purification PPR substrate.
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