CN102627797B - HDPE (High-Density Polyethylene) composite material for winding reinforcing pipe - Google Patents
HDPE (High-Density Polyethylene) composite material for winding reinforcing pipe Download PDFInfo
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Abstract
The invention relates to a HDPE (High-Density Polyethylene) composite material for a winding reinforcing pipe, which belongs to the technical field of high molecular materials and is used for solving the technical problems of unreasonable mixture ratio of a composite material, high cost and poor ring stiffness of the prepared winding reinforcing pipe existing in the prior art. The invention provides a HDPE composite material for a winding reinforcing pipe. The material comprises the following components in parts by weight: 75-85 parts of HDPE, 0.5-1.0 part of calcium carbonate, 15-25 parts of ultrafine talc powder, 2.0-5.0 parts of nanometer silicon dioxide, 3.0-6.0 parts of a modifier, 3.0-6.0 parts of a coloring agent, 0.5-0.8 part of an anti-ultraviolet agent and 0.5-1.0 part of an antioxidant, and can further comprise 0.5-1.0 part of a flame retardant and 0.5-1.0 part of a lubricating agent. The composite material disclosed by the invention has the advantages of reasonable component mixture ratio, good synergistic effect, low cost, and high mechanical property and ring stiffness on the winding reinforcing pipe.
Description
Technical field
The present invention relates to a kind of matrix material, relate in particular to a kind of matrix material of the HDPE for winding reinforcing pipe, belong to technical field of polymer materials.
Background technology
Winding reinforcing pipe has another name called a carat pipe, the existing overwhelming majority is to adopt the HDPE winding reinforcing pipe, be that to take high density polyethylene(HDPE) (HDPE) be main raw material, adopt hot winding complete processing, polypropylene (PP) corrugated tube of take is made the tubing with higher critical external compressive resistance ability as supporting structure.Because can reaching, winding reinforcing pipe adopt the intensity in cement sewer pipe road even stronger; And tubing peg graft after gapless overcome and adopt cement sewer pipe to peg graft existing gap and cause the phenomenon of oozing in the excessive or outer water of pipeline of water pipeline in, and the employing winding reinforcing pipe also has installation capability excellence, the advantage such as snappiness and HDPE recycling capable of circulation preferably.Therefore, in application process, under equal conditions, use winding reinforcing pipe to compare with traditional cement pipe more superior, particularly on construction ground narrow, underground utilities are complicated and acid-basicity soil in pipe laying etc.Although adopt plastic pipe winding reinforcing pipe place of cement pipeline to there is the advantages such as resistance is little, antiseep, light, the easy construction of quality, good corrosion resistance, but tubing still exists ring stiffness low, yielding, the defect of even breaking, especially wide-aperture wrapped tube, also brought many impacts in actual applications.But the winding reinforcing pipe product properties that adopts pure HDPE material to make is poor, generally the material for winding tube is improved etc.
As Chinese patent application (publication number: C N101974177A, open day: on 02 16th, 2011) a kind of multi-functional polyethylene tube and preparation method are disclosed, wherein the quality group of the matrix material of polyvinyl piping materials becomes: high density polyethylene(HDPE) (HDPE): 30-50 part; Ultrahigh molecular weight polyethylene(UHMWPE) (UHMWPE): 70-90 part; Poly-octene rubber (TOR): 10-15 part; Nano rare earth beta crystal-type nucleater: 1.5-2.0 part; Dicumyl peroxide (DCP): 1.0-1.5 part; Silicone polymer fire retardant: 3-5 part; Look mother: 3-5 part; Described nano rare earth beta crystal-type nucleater be by nano rare earth and beta crystal-type nucleater in mass ratio the ratio of 1: 2 mix to 98-102 ℃ and be the nano rare earth beta crystal-type nucleater.This matrix material has solved the problems such as the low temperature brittleness, wear resistance, resistance to deterioration of polyvinyl piping materials for tubing the time, but do not disclose the performance perameters such as ring stiffness of this matrix material tubing for tubing the time, and used the expensive raw materials such as nano rare earth in its material, also improved to a certain extent production cost.
Summary of the invention
The present invention is directed to the defect existed in above prior art, purpose be to provide a kind of reasonable ratio, cost low, there is for winding reinforcing pipe the HDPE matrix material that the ring stiffness is high, anti-knocking property are strong.
The objective of the invention is to realize by following technical proposal: a kind of matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
HDPE:75～85; Calcium carbonate: 0.5～1.0;
Superfine talcum powder: 15～25; Nano silicon: 2.0～5.0;
Properties-correcting agent: 3.0～6.0; Tinting material: 3.0～6.0;
Anti ultraviolet agent: 0.5～0.8; Oxidation inhibitor: 0.5～1.0.
HDPE matrix material of the present invention is for making winding reinforcing pipe, can effectively improve mechanics comprehensive strength and the ring stiffness of winding reinforcing pipe, with the winding reinforcing pipe that adopts single HDPE material to make, compare, its mechanics comprehensive strength can improve 15% left and right, and ring stiffness can improve 5%～10%; And colour fastness is also higher.After weight proportion adjustment by the composition to matrix material and each raw material changes, proportioning is more reasonable, makes material property more superior, and has also reduced raw-material use simultaneously, does not need to use the expensive raw materials such as nano rare earth, has reduced production cost.By adding calcium carbonate can improve the toughness of material; Add nano silicon not only to improve the blending dispersion of material, make to mix more even, can also improve the mixed phase capacitive of HDPE and other each material, and the properties-correcting agent added further carries out modification to nano silicon, thereby improve the performance of matrix material.And tinting material is mainly in order to improve this matrix material for making the aesthetic property of winding reinforcing pipe, can add according to actual needs different tinting materials.Anti ultraviolet agent and antioxidant add the performance that can improve equally matrix material, improve resistance to deterioration, consistency and the stability of matrix material.
As further preferred, the above-mentioned matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
HDPE:78～82; Calcium carbonate: 0.6～0.8;
Superfine talcum powder: 18～22; Nano silicon: 3.0～4.0;
Properties-correcting agent: 4.0～5.0; Tinting material: 4.0～5.0;
Anti ultraviolet agent: 0.6～0.7; Oxidation inhibitor: 0.7～0.8.
At the above-mentioned matrix material of the HDPE for winding reinforcing pipe, described HDPE is high density polyethylene(HDPE), is a kind of biodegradable material, has the performance that environmental protection is good, and fusing point is about 130 ℃.As preferably, the relative density of described HDPE is 0.94g/cm
3～0.96g/cm
3.Divide by its strength grade due to high density polyethylene(HDPE) and can be divided into 32 grades, 40 grades, 63 grades, 80 grades and 100 grades of five grades, therefore, as further preferred, described high density polyethylene(HDPE) is 80 grades or 100 level high-density polyethylenes.There is heat-resistant stable after adopting 80 level high-density polyethylenes or 100 level high-density polyethylenes and matrix material of the present invention to be used in combination good, on-deformable advantage, be difficult for causing because of shortcomings such as excess Temperature tubing depressions, the aesthetic property that impact is used, and after using the high density polyethylene(HDPE) of 40 grades, 63 grades or 32 grades to be used in combination with matrix material of the present invention aspect heat-resistant stable the performance during not as good as 100 grades of employings or 80 grades.
At the above-mentioned matrix material of the HDPE for winding reinforcing pipe, it is large that described superfine talcum powder has specific surface area, chemical stability is high, add after this material for winding reinforcing pipe, play the skeleton supporting role, improve the withstand voltage and anti-blasting performance of winding reinforcing pipe, also make the ring stiffness of winding reinforcing pipe and comprehensive strength improve; Reduce raw-material use, and the extra fine talc powder raw material of selecting is easy to get, cost is low; Simultaneously, due to selecting of superfine talcum powder, make matrix material can save 15% left and right on comprehensive cost.Simultaneously, by adding talcum powder to improve formability, slipperiness and the dispersing uniformity of matrix material.As preferably, the particle diameter of described superfine talcum powder is 1200 orders～3000 orders.Further guarantee to use over-all properties and the ring stiffness of the winding reinforcing pipe obtained after this matrix material, compare with the winding reinforcing pipe that adopts single HDPE material to make, ring stiffness can improve 8%～10%.
At the above-mentioned matrix material of the HDPE for winding reinforcing pipe, described nano silicon can carry out modification to HDPE, be mainly used in improving increasing tougheness and the plasticity-of material, improve the comprehensive mechanical property of HDPE matrix material, as at aspect of performances such as tensile strength, elongation at break and Young's modulus.As preferably, the particle diameter of described nano silicon is 200nm～400nm.Select the nano silicon of above-mentioned particle diameter also to have the dispersiveness of improving matrix material, if particle diameter is excessive, dispersion effect is not good, if particle diameter is too small,, because the meticulous meeting of particle diameter causes dust, is unfavorable for actually operating.
At the above-mentioned matrix material of the HDPE for winding reinforcing pipe, described calcium carbonate, for improving the toughness of material, improves toughness, and also is being greatly improved aspect tensile strength and elongation at break, tensile strength >=18MPa, elongation at break >=45%.With the calcium carbonate of available technology adopting higher amount, compare, the described calcium carbonate consumption of matrix material of the present invention is few, effective to the improvement in performance of material, has both improved the performance of matrix material, realizes again reducing production costs.
At the above-mentioned matrix material of the HDPE for winding reinforcing pipe, described properties-correcting agent is for improving the activity of nano silicon, especially improve the surfactivity of nano silicon, change the affinity of nano silicon and HDPE, by after the surfactivity that changes nano silicon, having reduced the linkage force between the nano silicon molecule, there is the effect that improves the nano silicon dispersiveness, thereby further improve the over-all properties of matrix material.As preferably, described properties-correcting agent is selected from Union carbide A-162, polystyrene, TiO
2In at least one.
At the above-mentioned matrix material of the HDPE for winding reinforcing pipe, described tinting material, for improving the color after the HDPE matrix material is used, increases aesthetic property.Can select the tinting materials such as dyestuff or pigment according to actual needs.As preferably, described tinting material is selected from least one in titanium dioxide, carbon black, lithopone, zinc oxide.Above-mentioned tinting material not only can improve the aesthetic property of color, the matrix material that adds this tinting material can also improve the slipperiness of tube surfaces after moulding after for winding reinforcing pipe, winding reinforcing pipe reduces resistance, as can be improved discharge efficiency because of the minimizing of resistance when the water shoot used time.
At the above-mentioned matrix material of the HDPE for winding reinforcing pipe, described anti ultraviolet agent is mainly used in the antiageing effect of strongthener, improves work-ing life.As preferably, described anti ultraviolet agent is selected from least one in UV-327, UV-531, UV-326.Described UV-327, also referred to as 2-(2-hydroxyl-3, the tertiary base phenyl of 5-bis-fourth)-5-chlorinated benzotriazole, has stronger absorption ultraviolet ray ability, and stable chemical nature is good with high-molecular polythene material compatibility of the present invention.
At the above-mentioned matrix material of the HDPE for winding reinforcing pipe, described oxidation inhibitor is selected from least one in tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, phosphorous acid (three nonyl phenyl) ester, diphosphorous acid pentaerythritol stearic acid ester 2.Select above-mentioned oxidation inhibitor can and HDPE between produce synergy, not only can effectively improve the antioxidant property of matrix material, can also improve the consistency of material.Described oxidation inhibitor can also be selected Hinered phenols antioxidant.
At the above-mentioned matrix material of the HDPE for winding reinforcing pipe, can also add according to actual needs at least one in 0.5～1.0 parts by weight of flame retardant, 0.5～1.0 weight part lubricant.By adding fire retardant can further improve the flame retardant resistance of material, add lubricant can further improve the dispersing uniformity of material.Above-mentioned fire retardant can be selected halogenated flame retardant, phosphorus flame retardant etc., and described halogenated flame retardant is as TDE, tetrabromo-bisphenol etc.; Above-mentioned wetting agent is as calcium stearate etc.
In sum, compared with prior art, the present invention has the following advantages:
1. the above-mentioned matrix material of the HDPE for winding reinforcing pipe of the present invention, have proportioning components reasonable, and between each raw material, synergistic action effect is good mutually, and raw materials cost is low.
2. the above-mentioned matrix material of the HDPE for winding reinforcing pipe of the present invention, be applied in mechanical property and the ring stiffness that can effectively improve winding reinforcing pipe on winding reinforcing pipe, with the winding reinforcing pipe that adopts single HDPE material to make, compare, the mechanics comprehensive strength can improve 15% left and right, ring stiffness can improve 5%～10%, improved the performance of winding reinforcing pipe, thereby it is in use yielding effectively to solve wide aperture winding reinforcing pipe material, affect the planarization of ground and periphery, even cause the problems such as the winding reinforcing pipe material breaks.
3. the above-mentioned matrix material of the HDPE for winding reinforcing pipe of the present invention, have uvioresistant and an antioxidant effect good, is difficult for the advantages such as aging, long service life, between the oxidation inhibitor of selecting and HDPE, has a synergy, improves the consistency between matrix material.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail, but the present invention is not limited to these embodiment.
Embodiment 1
A kind of matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
The HDPE:75 weight part; Calcium carbonate: 1.0 weight parts;
Superfine talcum powder: 15 weight parts; Nano silicon: 5 weight parts;
Properties-correcting agent: 6 weight parts; Tinting material: 6 weight parts;
Anti ultraviolet agent: 0.8 weight part; Oxidation inhibitor: 1.0 weight parts.
The density of wherein said HDPE is 0.94g/cm
3The particle diameter of described calcium carbonate is 1200 orders, the particle diameter of described superfine talcum powder is 2000 orders, the particle diameter of described nano silicon is 200nm, described properties-correcting agent is polystyrene, and described tinting material is titanium dioxide, and described anti ultraviolet agent is UV-327, described oxidation inhibitor is tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
Take each raw material according to above-mentioned weight proportion, after first nano silicon and properties-correcting agent polystyrene being added in mixing machine and being mixed, add again other raw material, again be uniformly mixed, in the screw extrusion press that the compound mixed is added, extruded, granulation, each of described screw extrusion press section extrusion temperature is: 190 ℃, 200 ℃, 220 ℃, 215 ℃, 215 ℃, described screw extrusion press is the screw extrusion press that adopts this area routine, obtains the HDPE matrix material.Adopt this HDPE matrix material to obtain wide-aperture winding reinforcing pipe according to the further forming process of the ordinary method of this area, the aperture diameter of this winding reinforcing pipe is 2 meters.The acid and alkali-resistance colour fastness of this tubing reaches 5 grades; With the winding reinforcing pipe that adopts single HDPE forming materials, compare, comprehensive mechanical property increases by 15%, and ring stiffness improves 8%.
Embodiment 2
A kind of matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
The HDPE:80 weight part; Calcium carbonate: 0.5 weight part;
Superfine talcum powder: 20 weight parts; Nano silicon: 2.0 weight parts;
Properties-correcting agent: 4.0 weight parts; Tinting material: 3.0 weight parts;
Anti ultraviolet agent: 0.5 weight part; Oxidation inhibitor: 0.8 weight part.
The density of wherein said HDPE is 0.96g/cm
3The particle diameter of described calcium carbonate is 1200 orders, the particle diameter of described superfine talcum powder is 3000 orders, the particle diameter of described nano silicon is 400nm, described properties-correcting agent is Union carbide A-162, described tinting material is zinc oxide, and described anti ultraviolet agent is UV-531, and described oxidation inhibitor is phosphorous acid (three nonyl phenyl) ester.
Take each raw material according to above-mentioned weight proportion, after first nano silicon and properties-correcting agent Union carbide A-162 being added in mixing machine and being mixed, add again other raw material, again be uniformly mixed, in the screw extrusion press that the compound mixed is added, extruded, granulation, each of described screw extrusion press section extrusion temperature is: 190 ℃, 200 ℃, 220 ℃, 215 ℃, 215 ℃, described screw extrusion press is the screw extrusion press that adopts this area routine, obtains the HDPE matrix material.Adopt this HDPE matrix material to obtain wide-aperture winding reinforcing pipe according to the further forming process of the ordinary method of this area, the aperture diameter of this winding reinforcing pipe is 2 meters.The acid and alkali-resistance colour fastness of this tubing reaches 4 grades; With the winding reinforcing pipe that adopts single HDPE forming materials, compare, comprehensive mechanical property increases by 18%, and ring stiffness improves 10%.
Embodiment 3
A kind of matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
The HDPE:85 weight part; Calcium carbonate: 0.6 weight part;
Superfine talcum powder: 25 weight parts; Nano silicon: 3.0 weight parts;
Properties-correcting agent: 5.0 weight parts; Tinting material: 5.0 weight parts;
Anti ultraviolet agent: 0.6 weight part; Oxidation inhibitor: 0.7 weight part.
The density of wherein said HDPE is 0.95g/cm
3, the particle diameter of described calcium carbonate is 2000 orders, and the particle diameter of described superfine talcum powder is 1200 orders, and the particle diameter of described nano silicon is 300nm, and described properties-correcting agent is TiO
2, described tinting material is carbon black, and described anti ultraviolet agent is UV-326, and described oxidation inhibitor is the diphosphorous acid pentaerythritol stearic acid ester 2.
The preparation method of above-mentioned HDPE matrix material is consistent with the method in embodiment 1, is not repeating here.
Embodiment 4
A kind of matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
The HDPE:82 weight part; Calcium carbonate: 0.8 weight part;
Superfine talcum powder: 18 weight parts; Nano silicon: 3.5 weight parts;
Properties-correcting agent: 4.5 weight parts; Tinting material: 4.0 weight parts;
Anti ultraviolet agent: 0.6 weight part; Oxidation inhibitor: 0.6 weight part.
The density of wherein said HDPE is 0.94g/cm
3～0.96g/cm
3The particle diameter of described calcium carbonate is 1200 orders, the particle diameter of described superfine talcum powder is 1200 orders, the particle diameter of described nano silicon is 400nm, and described properties-correcting agent is polystyrene, and described tinting material is titanium dioxide and lithopone, wherein the weight ratio of titanium dioxide and lithopone is 2: 1, described anti ultraviolet agent is UV-531, and described oxidation inhibitor is tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
The preparation method of above-mentioned HDPE matrix material is consistent with the method in embodiment 1, is not repeating here.
Embodiment 5
A kind of matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
The HDPE:78 weight part; Calcium carbonate: 0.7 weight part;
Superfine talcum powder: 22 weight parts; Nano silicon: 4.0 weight parts;
Properties-correcting agent: 6.0 weight parts; Tinting material: 4.5 weight parts;
Anti ultraviolet agent: 0.7 weight part; Oxidation inhibitor: 0.5 weight part.
The density of wherein said HDPE is 0.94g/cm
3～0.96g/cm
3, the particle diameter of described calcium carbonate is 1200 orders, and the particle diameter of described superfine talcum powder is 2000 orders, and the particle diameter of described nano silicon is 200nm, and described properties-correcting agent is TiO
2Described tinting material is titanium dioxide, described anti ultraviolet agent is UV-531, described oxidation inhibitor is tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester and tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, wherein, the weight ratio of tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester and tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester is 2: 1.
The preparation method of above-mentioned HDPE matrix material is consistent with the method in embodiment 2, is not repeating here.
Embodiment 6
A kind of matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
The HDPE:77 weight part; Calcium carbonate: 0.65 weight part;
Superfine talcum powder: 21 weight parts; Nano silicon: 3.0 weight parts;
Properties-correcting agent: 5.5 weight parts; Tinting material: 3.5 weight parts;
Anti ultraviolet agent: 0.5 weight part; Oxidation inhibitor: 0.9 weight part.
The density of wherein said HDPE is 0.94g/cm
3～0.96g/cm
3The HDPE of 100 grades, the particle diameter of described calcium carbonate is 2000 orders, the particle diameter of described superfine talcum powder is 1200 orders, the particle diameter of described nano silicon is 400nm, and described properties-correcting agent is polystyrene, and described tinting material is titanium dioxide and carbon black, wherein the weight ratio of titanium dioxide and carbon black is 2: 1, described anti ultraviolet agent is UV-327, and described oxidation inhibitor is tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
Take each raw material according to above-mentioned weight proportion, after first nano silicon and properties-correcting agent polystyrene being added in mixing machine and being mixed, add again other raw material, again be uniformly mixed, in the screw extrusion press that the compound mixed is added, extruded, granulation, each of described screw extrusion press section extrusion temperature is: 190 ℃, 200 ℃, 220 ℃, 215 ℃, 215 ℃, described screw extrusion press is the screw extrusion press that adopts this area routine, obtains the HDPE matrix material.Adopt this HDPE matrix material to obtain wide-aperture winding reinforcing pipe according to the further forming process of the ordinary method of this area, the aperture diameter of this winding reinforcing pipe is 2.5 meters.The acid and alkali-resistance colour fastness of this tubing reaches 5 grades; With the winding reinforcing pipe that adopts single HDPE forming materials, compare, comprehensive mechanical property increases by 16%, and ring stiffness improves 10%.
Embodiment 7
A kind of matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
The HDPE:81 weight part; Calcium carbonate: 0.9 weight part;
Superfine talcum powder: 19 weight parts; Nano silicon: 2.5 weight parts;
Properties-correcting agent: 3.5 weight parts; Tinting material: 6.0 weight parts;
Anti ultraviolet agent: 0.7 weight part; Oxidation inhibitor: 0.8 weight part.
The density of wherein said HDPE is 0.94g/cm
3, the particle diameter of described calcium carbonate is 1200 orders, and the particle diameter of described superfine talcum powder is 1200 orders, and the particle diameter of described nano silicon is 350nm, and described properties-correcting agent is polystyrene and T i O
2, wherein, polystyrene and TiO
2Weight ratio be 1: 1, described tinting material is titanium dioxide, described anti ultraviolet agent is UV-327, described oxidation inhibitor is tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
The preparation method of above-mentioned HDPE matrix material is consistent with the method in embodiment 6, is not repeating here.
Embodiment 8
A kind of matrix material of the HDPE for winding reinforcing pipe, this material comprises the weight part of following composition:
The HDPE:77 weight part; Calcium carbonate: 0.65 weight part;
Superfine talcum powder: 21 weight parts; Nano silicon: 3.0 weight parts;
Properties-correcting agent: 5.5 weight parts; Tinting material: 3.5 weight parts;
Anti ultraviolet agent: 0.5 weight part; Oxidation inhibitor: 0.9 weight part;
Fire retardant: 1.0 weight parts; Wetting agent: 2.0 weight parts.
The density of wherein said HDPE is 0.94g/cm
3～0.96g/cm
3The HDPE of 80 grades, the particle diameter of described calcium carbonate is 3000 orders, the particle diameter of described superfine talcum powder is 1200 orders, the particle diameter of described nano silicon is 300nm, described properties-correcting agent is polystyrene, described tinting material is titanium dioxide and lithopone, wherein the weight ratio of titanium dioxide and lithopone is 2: 1, described anti ultraviolet agent is UV-531, described oxidation inhibitor is tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester, described wetting agent is calcium stearate, described fire retardant is triphenylphosphate.
Take each raw material according to above-mentioned weight proportion, after first nano silicon and properties-correcting agent polystyrene being added in mixing machine and being mixed, add again other raw material, again be uniformly mixed, in the screw extrusion press that the compound mixed is added, extruded, granulation, each of described screw extrusion press section extrusion temperature is: 190 ℃, 200 ℃, 220 ℃, 215 ℃, 215 ℃, described screw extrusion press is the screw extrusion press that adopts this area routine, obtains the HDPE matrix material.Adopt this HDPE matrix material to obtain wide-aperture winding reinforcing pipe according to the further forming process of the ordinary method of this area, the aperture diameter of this winding reinforcing pipe is 2 meters.The acid and alkali-resistance colour fastness of this tubing reaches 5 grades; With the winding reinforcing pipe that adopts single HDPE forming materials, compare, comprehensive mechanical property increases by 17%, and ring stiffness improves 9%.
Specific embodiment described in the present invention is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the present invention has been made a detailed description and has quoted as proof some specific embodiments, to those skilled in the art, only otherwise it is obvious leaving that the spirit and scope of the present invention can make various changes or revise.
Claims (7)
1. the matrix material of the HDPE for winding reinforcing pipe, is characterized in that, this material comprises the weight part of following composition:
HDPE:78～82; Calcium carbonate: 0.6～0.8;
Superfine talcum powder: 18～22; Nano silicon: 3.0～4.0;
Properties-correcting agent: 4.0～5.0; Tinting material: 4.0～5.0;
Anti ultraviolet agent: 0.6～0.7; Oxidation inhibitor: 0.7～0.8;
The particle diameter of described superfine talcum powder is 1200 orders～3000 orders; Described tinting material is selected from least one in titanium dioxide, carbon black, lithopone, zinc oxide.
2. the matrix material of the HDPE for winding reinforcing pipe according to claim 1, is characterized in that, the relative density of described HDPE is 0.94g/cm
3～0.96g/cm
3.
3. according to the described matrix material of the HDPE for winding reinforcing pipe of claim 1-2 any one, it is characterized in that, the particle diameter of described nano silicon is 200nm～400nm.
4. according to the described matrix material of the HDPE for winding reinforcing pipe of claim 1-2 any one, it is characterized in that, described properties-correcting agent is selected from Union carbide A-162, polystyrene, TiO
2In at least one.
5. the matrix material of the HDPE for winding reinforcing pipe according to claim 1, is characterized in that, described properties-correcting agent is selected from Union carbide A-162, polystyrene, TiO
2In at least one.
6. according to the described matrix material of the HDPE for winding reinforcing pipe of claim 1-2 any one, it is characterized in that, described anti ultraviolet agent is selected from least one in UV-327, UV-531, UV-326.
7. according to the described matrix material of the HDPE for winding reinforcing pipe of claim 1-2 any one, it is characterized in that, described oxidation inhibitor is selected from least one in tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, phosphorous acid (three nonyl phenyl) ester, diphosphorous acid pentaerythritol stearic acid ester 2.
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