CN110105650A - Rainwater-collecting polyethylene solid wall osmos tube and preparation method thereof - Google Patents

Rainwater-collecting polyethylene solid wall osmos tube and preparation method thereof Download PDF

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Publication number
CN110105650A
CN110105650A CN201910392977.5A CN201910392977A CN110105650A CN 110105650 A CN110105650 A CN 110105650A CN 201910392977 A CN201910392977 A CN 201910392977A CN 110105650 A CN110105650 A CN 110105650A
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parts
rainwater
solid wall
area
preparation
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CN110105650B (en
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陈毅明
章振华
孙东华
裘杨燕
傅亚斌
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Hangzhou Unicom piping Industry Co Ltd
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Hangzhou Unicom piping Industry Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
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    • B32—LAYERED PRODUCTS
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/242—All polymers belonging to those covered by group B32B27/32
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    • B32B2307/00—Properties of the layers or laminate
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2597/00—Tubular articles, e.g. hoses, pipes
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    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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    • C08K2003/3036—Sulfides of zinc
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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract

The invention discloses rainwater-collecting polyethylene solid wall osmos tubes and preparation method thereof, it is related to tubing technical field, the rainwater-collecting polyethylene solid wall osmos tube ecto-entad includes outer layer, middle layer and internal layer, middle layer includes the raw material of following parts by weight: 100-125 parts of PE, 1-5 parts of mildewproof additives, 0.5-1.0 parts of Micropore Agents, 0.5-1.0 parts of compound stabilizers, 1.0-1.2 parts of processing aids, 0.5-0.8 parts of color masterbatch, the raw material of outer layer and internal layer includes the raw material of following parts by weight: 100-125 parts of PE, 1-5 parts of mildewproof additives, 0.5-0.8 parts of color masterbatch, the mildewproof additive is improved silica/ZnS quantum dots compound, it is to be modified mesoporous silicon oxide bead as carrier, load has Ag doping zinc sulphide quantum thereon Point.Rainwater-collecting of the invention polyethylene solid wall osmos tube and preparation method thereof adds mildewproof additive in formula, so that tubing has preferable antimildew and antibacterial effect, effectively mould can be avoided to grow on tube wall, reduces the influence recycled to rainwater.

Description

Rainwater-collecting polyethylene solid wall osmos tube and preparation method thereof
Technical field
The present invention relates to tubing technical field more particularly to rainwater-collecting polyethylene solid wall osmos tube and its preparation sides Method.
Background technique
In recent years, with the increasingly progress of Process of Urbanization Construction, municipal water argillization occupied area is more and more, in addition weather The case where variation and environmental bearing capacity die down, and lead to " meet rain must after flood, rain i.e. drought " frequent occurrence so that China's municipal water Ecology is faced with two extremely: urban waterlogging is serious when one side rainy season, and the safety that storm water man- agement becomes influence urban development is hidden Suffer from；Most cities water shortage is serious when another aspect dry season, and water resource supplies wretched insufficiency.It is tight consequently also to bring water resource It lacks, water environment pollution, water security lack a series of problems, such as ensureing.With the development of the social economy, the frequency of Urban Storm Flood disaster Hair, requirement of the city to drainage system is higher and higher, therefore, to keep city healthy and sustainable development, just have to improve city Ecology recycles.
Based on the above issues, in " 2012 low carbon cities and regional development science and technology forum ", " sponge city " concept is for the first time It proposes, becomes new generation of city storm water man- agement concept, become the new direction of urban construction, sponge city refers to city as sponge one Sample has good elasticity in terms of adapting to environmental change and reply, when rainy, on the spot by 70% rainfall The rainwater stored release is used when needing for consumption, big to realize city benign water circulation, and with sponge city Power development, is suitable for the dedicated draining in sponge city and the research and development of collector pipe material are extremely urgent.
The more existing tubing for sponge urban construction, be mostly using existing solid wall pipe, by special equipment, Multiple rows of narrow bar water seepage hole is outputed on around the tubing to be made, and by controlling percent opening, meets different ring stiffness and permeability is wanted It asks, by that can play the role of infiltration water and silt enters pipeline and results in blockage in pipe outsourcing geotextiles, but by It is embedded in underground in drainage pipe, is contacted for a long time with rainwater etc., under moist herein, dark environment, fungus growth is depended on sternly Weight, not only will affect the service life of tubing, also results in the water body flowed through and be contaminated, can seriously affect the circulation of rainwater It utilizes.
Summary of the invention
In view of the above-mentioned problems, it is an object of the invention to design to provide rainwater-collecting polyethylene solid wall osmos tube and its system Preparation Method, the polyethylene solid wall osmos tube being prepared have preferable antimildew and antibacterial effect, effectively mould can be avoided in pipe It is grown on wall, reduces the influence recycled to rainwater.
The present invention solves above-mentioned technical problem by following technological means:
Rainwater-collecting polyethylene solid wall osmos tube, the polyethylene solid wall osmos tube ecto-entad includes outer layer, centre Layer and internal layer, the middle layer include the raw material of following parts by weight: 100-125 parts of PE, 1-5 parts of mildewproof additives, 0.5-1.0 parts Micropore Agent, 0.5-1.0 part compound stabilizer, 1.0-1.2 parts of processing aids, 0.5-0.8 parts of color masterbatch, the original of the outer layer and internal layer Material includes the raw material of following parts by weight: 100-125 parts of PE, 1-5 parts of mildewproof additives, 0.5-0.8 parts of color masterbatch.
Further, the middle layer includes the raw material of following parts by weight: 110 parts of PE, 3 parts of mildewproof additives, 0.8 part of micropore Agent, 0.8 part of compound stabilizer, 1.1 parts of processing aids, 0.7 part of color masterbatch, the outer layer and internal layer include the original of following parts by weight Material: 100 parts of PE, 3 parts of mildewproof additives, 0.6 part of color masterbatch.
Further, the mildewproof additive is improved silica/ZnS quantum dots compound, the modified titanium dioxide Silicon/ZnS quantum dots compound is to be modified mesoporous silicon oxide bead as carrier, and load has Ag doping zinc sulphide thereon Quantum dot.
Mildewproof additive of the invention is improved silica/ZnS quantum dots compound, using the mesoporous dioxy of modification SiClx bead can play increasing as inorganic rigid particle as carrier, modified mesoporous silicon oxide bead to a certain extent Tough dose of effect, increases the toughness of tubing, and the zinc sulphide quantum of the Ag doping loaded on modified mesoporous silicon oxide bead Point has the preferable ability for generating active oxygen because ZnS quantum dots have smaller size, meanwhile, ZnS quantum dots It can be adsorbed on the surface of mould, and then endocytosis occurs, therefore can kill to mould is touched, prevent it in pipe It depends on, survive on wall, and there is silver wider anti-microbial property can further be increased using silver ion doped zinc sulphide quantum dot Add the bactericidal effect of ZnS quantum dots.
Further, the modified mesoporous silicon oxide bead be using mesoporous silicon oxide bead as raw material, through low temperature etc. from It is made after daughter and ultraviolet light irradiation Combined Treatment.
Further, the Micropore Agent includes following components according to parts by weight: 10-15 parts of surfactant, polyurethane 5- 10 parts, 3-5 parts of sodium pyrophosphate, 80-100 parts of azodicarbonamide.
Further, the compound stabilizer includes following components according to parts by weight: 15-20 parts of dibasic lead stearate, 15-20 parts of zinc stearate, 15-20 parts of calcium stearate.
The invention also discloses the rainwater-collecting preparation method of polyethylene solid wall osmos tube, the preparation method is specific Are as follows: it after weighing the raw material of outer layer, middle layer, internal layer according to formula, is respectively implanted in blender, at a temperature of 70-80 DEG C After being stirred 50-80min, it is respectively placed in outer layer, middle layer, in inner layer extruder, is squeezed out through composite co-extruding die head, using Air blowing is cooling, draw, cutting obtains polyethylene solid wall osmos tube；
The extrusion temperature of the outer layer and inner layer extruder specifically: 165-175 DEG C of an area, 175-180 DEG C of 2nd area, 3rd area 185-190 DEG C, 180-185 DEG C of 4th area, 170-175 DEG C of 5th area, 160-165 DEG C of 6th area；
The extrusion temperature of the middle layer extruder specifically: 170-175 DEG C of an area, 180-185 DEG C of 2nd area, three area 190- 195 DEG C, 165-170 DEG C of 4th area, 145-150 DEG C of 5th area, 135-140 DEG C of 6th area；
The screw speed of the outer layer and inner layer extruder is 15-24r/min, and the screw speed of middle layer extruder is 35-45r/min。
Further, the improved silica/ZnS quantum dots compound the preparation method comprises the following steps:
The preparation of Ag doping ZnS quantum dots: zinc nitrate, thiocarbamide, six methines, four ammonium are dissolved in deionized water, Silver nitrate solution is added, stirs evenly and is placed in autoclave, after being warming up to 140-160 DEG C of reaction 1-2h, is naturally cooled to Room temperature, centrifugation, are dried in vacuo washing at room temperature, obtain the ZnS quantum dots of Ag doping；
The preparation of improved silica/ZnS quantum dots compound: second is dispersed by modified mesoporous silicon oxide bead In alcoholic solution, after magnetic agitation 20-30min, the ZnS quantum dots of Ag doping are added, it is sub- that carbon two is added in ultrasonic 10-15min Amine, n-hydroxysuccinimide are persistently stirred to react 20-24h, after the reaction was completed, silane coupling agent are added, filter, use is anhydrous After ethyl alcohol and deionized water are alternately cleaned three times, vacuum drying obtains improved silica/ZnS quantum dots compound, i.e., Mildewproof additive.
In being modified silica/ZnS quantum dots compound preparation process, due to modified meso-porous titanium dioxide There is the hydroxyl being largely activated in the surface of silicon bead, and the surface of the ZnS quantum dots of Ag doping has carboxylic group, because Under the action of carbodiimide, n-hydroxysuccinimide, the ZnS quantum dots of Ag doping are grafted to modified mesoporous two for this Silicon oxide surface, the grafting of the ZnS quantum dots of one side Ag doping reduce the polar group of meso-porous titanium dioxide silicon face, To reduce the polarity of mesoporous silicon oxide, so that its wellability between the matrix polyethylene of tubing is more preferable, dispersibility More preferably, on the other hand, the ZnS quantum dots of Ag doping load in the surface and hole of mesoporous silicon oxide bead, Neng Gou To a certain extent reduce mesoporous silicon oxide bead between Van der Waals force, reduce silicon oxide pellets between reunion, and with Mesoporous silicon oxide bead also can effectively prevent the reunion of the ZnS quantum dots of Ag doping as carrier；In addition, having reacted At silicon oxide pellets are further processed by silane coupling agent later, can increase to a certain extent improves it The effect of dispersibility.
Further, the modified mesoporous silicon oxide bead the preparation method comprises the following steps: dispersing mesoporous silicon oxide bead in In the ethanol-water solution of 25wt%, after Low Temperature Plasma Treating, benzophenone, methacrylic acid β hydroxyl ethyl ester is added, Under nitrogen atmosphere and ultraviolet light irradiation, 1-2h is reacted, after being centrifuged, wash after the reaction was completed, being dry, obtains being modified mesoporous dioxy SiClx bead.
During being modified to mesoporous silicon oxide bead, first low-temperature plasma is used to handle it, When low temperature plasma bombardment is to ethanol-water solution, the hydrone in solution occurs to ionize and ultimately forms hydroxyl radical free radical, hydrogen The higher living radical of the surfaces such as free radical energy, is also activated in mesoporous silicon oxide bead surface therein, is cooperating Ultraviolet light irradiation later, so that the surface of silicon oxide pellets is introduced into more hydroxyl, in order to subsequent reaction.
Further, the process conditions of the Low Temperature Plasma Treating are as follows: working gas be one of argon gas, nitrogen or Two kinds, discharge power 200-250W, the processing time is 5-10min.
Beneficial effects of the present invention:
1. rainwater-collecting of the invention polyethylene solid wall osmos tube, by being optimized to formula, the addition in formula Mildewproof additive effectively can avoid mould from growing on tube wall so that tubing has preferable antimildew and antibacterial effect, reduction pair The influence that rainwater recycles.
2. mildewproof additive of the invention, using improved silica/ZnS quantum dots compound, with modification mesoporous two Silica bead is as carrier, and loading Ag doped ZnS quantum dots, are modified mesoporous silicon oxide bead as inorganic rigid thereon Property particle, toughener can be played the role of to a certain extent, increase the toughness of tubing, and small in modified mesoporous silicon oxide The ZnS quantum dots of the Ag doping loaded on ball, because ZnS quantum dots have smaller size, surface defect is more, tool There is the preferable ability for generating active oxygen, meanwhile, ZnS quantum dots can be adsorbed on the surface of mould, and then endocytosis occurs and makees With, therefore can be killed to mould is touched, prevent it from depending on, surviving on tube wall, and silver has wider antibiotic property Can, using silver ion doped zinc sulphide quantum dot, the bactericidal effect of ZnS quantum dots can be further increased.
Specific embodiment
Below with reference to specific embodiment, the present invention is described in detail:
Rainwater-collecting of the invention polyethylene solid wall osmos tube and preparation method thereof, mould proof addition used in raw material Agent is improved silica/ZnS quantum dots compound, and to be modified mesoporous silicon oxide bead as carrier, load has thereon Ag doping ZnS quantum dots.
Embodiment one
The preparation 1 of mildewproof additive
Modified mesoporous silicon oxide bead the preparation method comprises the following steps: dispersing mesoporous silicon oxide bead in the second of 25wt% It is argon gas in working gas, under conditions of discharge power is 200W, by Low Temperature Plasma Treating 8min in alcohol-water solution Afterwards, benzophenone, methacrylic acid β hydroxyl ethyl ester is added, under nitrogen atmosphere and ultraviolet light irradiation, reacts 1.5h, reaction is completed After being centrifuged, wash afterwards, being dry, modified mesoporous silicon oxide bead is obtained, wherein mesoporous silicon oxide bead, benzophenone, first The mass ratio of base hydroethyl acrylate is 1:0.0025:0.5.
The preparation of Ag doping ZnS quantum dots: according to zinc nitrate, thiocarbamide, six methines, four ammonium, deionized water quality Than weighing zinc nitrate, thiocarbamide, six methines, four ammonium respectively and be dissolved in deionized water for 1:6:2:100, add and zinc nitrate The silver nitrate solution of the 0.5g/L of phase homogenous quantities, stirs evenly and is placed in autoclave, natural after being warming up to 160 DEG C of reaction 1h It is cooled to room temperature, after the speed centrifugation of 4500r/min, is washed with deionized to cleaning solution pH value and is in neutrality, at room temperature very Sky is dry, obtains the ZnS quantum dots of Ag doping.
Improved silica/ZnS quantum dots compound preparation: the modification mesoporous silicon oxide being prepared is small Ball is scattered in the ethanol solution of 5 times of modified mesoporous silicon oxide pellet qualities, and after magnetic agitation 25min, it is mesoporous that modification is added The ZnS quantum dots of the Ag doping of silicon oxide pellets equal quality are 25KHz in frequency, and power surpasses under conditions of being 130W Sound 15min is added carbodiimide, n-hydroxysuccinimide, is persistently stirred to react 20h, after the reaction was completed, it is even that silane is added Join agent, filtering is dried in vacuo at 60 DEG C after alternately being cleaned three times with dehydrated alcohol and deionized water, obtains modified titanium dioxide Silicon/ZnS quantum dots compound, i.e. mildewproof additive, wherein modified mesoporous silicon oxide bead, carbodiimide, N- hydroxyl The mass ratio of succinimide is 1:0.05:0.3.
Embodiment two
The preparation 2 of mildewproof additive
Modified mesoporous silicon oxide bead the preparation method comprises the following steps: dispersing mesoporous silicon oxide bead in the second of 25wt% It is nitrogen in working gas, under conditions of discharge power is 230W, by Low Temperature Plasma Treating 5min in alcohol-water solution Afterwards, benzophenone, methacrylic acid β hydroxyl ethyl ester is added, under nitrogen atmosphere and ultraviolet light irradiation, reacts 2h, after the reaction was completed After centrifugation, washing, drying, modified mesoporous silicon oxide bead is obtained, wherein mesoporous silicon oxide bead, benzophenone, methyl The mass ratio of hydroethyl acrylate is 1:0.0025:0.5.
The preparation of Ag doping ZnS quantum dots: according to zinc nitrate, thiocarbamide, six methines, four ammonium, deionized water quality Than weighing zinc nitrate, thiocarbamide, six methines, four ammonium respectively and be dissolved in deionized water for 1:6:2:100, add and zinc nitrate The silver nitrate solution of the 0.5g/L of phase homogenous quantities, stirs evenly and is placed in autoclave, natural after being warming up to 140 DEG C of reaction 2h It is cooled to room temperature, after the speed centrifugation of 4500r/min, is washed with deionized to cleaning solution pH value and is in neutrality, at room temperature very Sky is dry, obtains the ZnS quantum dots of Ag doping.
Improved silica/ZnS quantum dots compound preparation: the modification mesoporous silicon oxide being prepared is small Ball is scattered in the ethanol solution of 5 times of modified mesoporous silicon oxide pellet qualities, and after magnetic agitation 20min, it is mesoporous that modification is added The ZnS quantum dots of the Ag doping of silicon oxide pellets equal quality are 25KHz in frequency, and power surpasses under conditions of being 130W Sound 10min is added carbodiimide, n-hydroxysuccinimide, is persistently stirred to react 22h, after the reaction was completed, it is even that silane is added Join agent, filtering is dried in vacuo at 60 DEG C after alternately being cleaned three times with dehydrated alcohol and deionized water, obtains modified titanium dioxide Silicon/ZnS quantum dots compound, i.e. mildewproof additive, wherein modified mesoporous silicon oxide bead, carbodiimide, N- hydroxyl The mass ratio of succinimide is 1:0.05:0.3.
Embodiment three
The preparation 3 of mildewproof additive
Modified mesoporous silicon oxide bead the preparation method comprises the following steps: dispersing mesoporous silicon oxide bead in the second of 25wt% It is the mixed gas that argon gas and nitrogen are mixed according to the ratio of 1:1 in working gas, discharge power is in alcohol-water solution Under conditions of 250W, after Low Temperature Plasma Treating 10min, benzophenone, methacrylic acid β hydroxyl ethyl ester is added, in nitrogen Under gas atmosphere and ultraviolet light irradiation, 1h is reacted, after being centrifuged, wash after the reaction was completed, being dry, it is small to obtain modified mesoporous silicon oxide Ball, wherein mesoporous silicon oxide bead, benzophenone, methacrylic acid β hydroxyl ethyl ester mass ratio be 1:0.0025:0.5.
The preparation of Ag doping ZnS quantum dots: according to zinc nitrate, thiocarbamide, six methines, four ammonium, deionized water quality Than weighing zinc nitrate, thiocarbamide, six methines, four ammonium respectively and be dissolved in deionized water for 1:6:2:100, add and zinc nitrate The silver nitrate solution of the 0.5g/L of phase homogenous quantities, stirs evenly and is placed in autoclave, after being warming up to 150 DEG C of reaction 1.5h, from It is so cooled to room temperature, after the speed centrifugation of 4500r/min, is washed with deionized to cleaning solution pH value and is in neutrality, at room temperature Vacuum drying, obtains the ZnS quantum dots of Ag doping.
Improved silica/ZnS quantum dots compound preparation: the modification mesoporous silicon oxide being prepared is small Ball is scattered in the ethanol solution of 5 times of modified mesoporous silicon oxide pellet qualities, and after magnetic agitation 30min, it is mesoporous that modification is added The ZnS quantum dots of the Ag doping of silicon oxide pellets equal quality are 25KHz in frequency, and power surpasses under conditions of being 130W Sound 12min is added carbodiimide, n-hydroxysuccinimide, is persistently stirred to react for 24 hours, after the reaction was completed, it is even that silane is added Join agent, filtering is dried in vacuo at 60 DEG C after alternately being cleaned three times with dehydrated alcohol and deionized water, obtains modified titanium dioxide Silicon/ZnS quantum dots compound, i.e. mildewproof additive, wherein modified mesoporous silicon oxide bead, carbodiimide, N- hydroxyl The mass ratio of succinimide is 1:0.05:0.3.
Example IV
The preparation 1 of polyethylene solid wall osmos tube
The present embodiment selects embodiment one to prepare resulting mildewproof additive.
The raw material of outer layer and internal layer includes: 100 parts of PE, 3 parts of mildewproof additives, 0.6 part of color masterbatch in the present embodiment.
The raw material of middle layer include: 110 parts of PE, 3 parts of mildewproof additives, 0.8 part of Micropore Agent, 0.8 part of compound stabilizer, 1.1 parts of processing aids, 0.7 part of color masterbatch.
Wherein Micropore Agent raw material includes: 12 parts of surfactants, 8 parts of polyurethanes, 4 parts of sodium pyrophosphates, 90 parts of azo diformazans Amide.
Compound stabilizer raw material includes: 18 parts of dibasic lead stearates, 15 parts of zinc stearates, 20 parts of calcium stearates.
The preparation of polyethylene solid wall osmos tube: after the raw material of outer layer, middle layer, internal layer is weighed according to formula, respectively It is placed in blender, at a temperature of 80 DEG C, 50min is stirred with the speed of 2000r/min, after stirring evenly, is set respectively It in outer layer, middle layer, inner layer extruder, squeezes out through composite co-extruding die head, is gathered using cooling, traction of blowing, cutting Ethylene solid wall osmos tube.
Wherein, the extrusion temperature of outer layer and inner layer extruder specifically: 165 DEG C of an area, 178 DEG C of 2nd area, 185 DEG C of 3rd area, Four 180 DEG C of areas, 172 DEG C of 5th area, 165 DEG C of 6th area.
The extrusion temperature of middle layer extruder specifically: 170 DEG C of an area, 180 DEG C of 2nd area, 192 DEG C of 3rd area, 170 DEG C of 4th area, Five 150 DEG C of areas, 135 DEG C of 6th area.
The screw speed of internal layer and outer layer extruder is 15r/min, and the extruder screw revolving speed of middle layer is 35r/min, Using polyethylene bolt special, screw diameter 100mm, draw ratio 36:1.
Embodiment five
The preparation 2 of polyethylene solid wall osmos tube
The present embodiment selects embodiment two to prepare resulting mildewproof additive.
The raw material of outer layer and internal layer includes: 115 parts of PE, 1 part of mildewproof additive, 0.5 part of color masterbatch in the present embodiment.
The raw material of middle layer include: 100 parts of PE, 1 part of mildewproof additive, 0.5 part of Micropore Agent, 0.5 part of compound stabilizer, 1.0 parts of processing aids, 0.5 part of color masterbatch.
Wherein Micropore Agent raw material includes: 10 parts of surfactants, 10 parts of polyurethanes, 5 parts of sodium pyrophosphates, 80 parts of azo diformazans Amide.
Compound stabilizer raw material includes: 15 parts of dibasic lead stearates, 20 parts of zinc stearates, 18 parts of calcium stearates.
The preparation of polyethylene solid wall osmos tube: after the raw material of outer layer, middle layer, internal layer is weighed according to formula, respectively It is placed in blender, at a temperature of 75 DEG C, 80min is stirred with the speed of 2000r/min, after stirring evenly, is set respectively It in outer layer, middle layer, inner layer extruder, squeezes out through composite co-extruding die head, is gathered using cooling, traction of blowing, cutting Ethylene solid wall osmos tube.
Wherein, the extrusion temperature of outer layer and inner layer extruder specifically: 168 DEG C of an area, 175 DEG C of 2nd area, 188 DEG C of 3rd area, Four 182 DEG C of areas, 175 DEG C of 5th area, 163 DEG C of 6th area.
The extrusion temperature of middle layer extruder specifically: 175 DEG C of an area, 182 DEG C of 2nd area, 195 DEG C of 3rd area, 168 DEG C of 4th area, Five 145 DEG C of areas, 140 DEG C of 6th area.
The screw speed of internal layer and outer layer extruder is 24r/min, and the extruder screw revolving speed of middle layer is 40r/min, Using polyethylene bolt special, screw diameter 100mm, draw ratio 36:1.
Embodiment six
The preparation 3 of polyethylene solid wall osmos tube
The present embodiment selects embodiment three to prepare resulting mildewproof additive.
The raw material of outer layer and internal layer includes: 125 parts of PE, 5 parts of mildewproof additives, 0.8 part of color masterbatch in the present embodiment.
The raw material of middle layer include: 125 parts of PE, 5 parts of mildewproof additives, 1.0 parts of Micropore Agents, 1.0 parts of compound stabilizers, 1.2 parts of processing aids, 0.8 part of color masterbatch.
Wherein Micropore Agent raw material includes: 15 parts of surfactants, 5 parts of polyurethanes, 3 parts of sodium pyrophosphates, 100 parts of azo diformazans Amide.
Compound stabilizer raw material includes: 20 parts of dibasic lead stearates, 18 parts of zinc stearates, 15 parts of calcium stearates.
The preparation of polyethylene solid wall osmos tube: after the raw material of outer layer, middle layer, internal layer is weighed according to formula, respectively It is placed in blender, at a temperature of 80 DEG C, 50min is stirred with the speed of 2000r/min, after stirring evenly, is set respectively It in outer layer, middle layer, inner layer extruder, squeezes out through composite co-extruding die head, is gathered using cooling, traction of blowing, cutting Ethylene solid wall osmos tube.
Wherein, the extrusion temperature of outer layer and inner layer extruder specifically: 175 DEG C of an area, 180 DEG C of 2nd area, 190 DEG C of 3rd area, Four 185 DEG C of areas, 170 DEG C of 5th area, 160 DEG C of 6th area.
The extrusion temperature of middle layer extruder specifically: 173 DEG C of an area, 185 DEG C of 2nd area, 190 DEG C of 3rd area, 165 DEG C of 4th area, Five 148 DEG C of areas, 138 DEG C of 6th area.
The screw speed of internal layer and outer layer extruder is 20r/min, and the extruder screw revolving speed of middle layer is 45r/min, Using polyethylene bolt special, screw diameter 100mm, draw ratio 36:1.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention Or equivalent replacement should all cover without departing from the objective and range of technical solution of the present invention in claim of the invention In range.Technology not described in detail in the present invention, shape, construction portion are well-known technique.

Claims (10)

1. rainwater-collecting polyethylene solid wall osmos tube, which is characterized in that the polyethylene solid wall osmos tube ecto-entad includes Outer layer, middle layer and internal layer, the middle layer include the raw material of following parts by weight: 100-125 parts of PE, 1-5 parts of mildewproof additives, 0.5-1.0 parts of Micropore Agents, 0.5-1.0 parts of compound stabilizers, 1.0-1.2 parts of processing aids, 0.5-0.8 parts of color masterbatch, the outer layer Include the raw material of following parts by weight with internal layer: 100-125 parts of PE, 1-5 parts of mildewproof additives, 0.5-0.8 parts of color masterbatch are described anti- Mould additive is improved silica/ZnS quantum dots compound.
2. rainwater-collecting according to claim 1 polyethylene solid wall osmos tube, which is characterized in that the middle layer includes The raw material of following parts by weight: 110 parts of PE, 3 parts of mildewproof additives, 0.8 part of Micropore Agent, 0.8 part of compound stabilizer, 1.1 parts of processing Auxiliary agent, 0.7 part of color masterbatch, the outer layer and internal layer include the raw material of following parts by weight: 100 parts of PE, 3 parts of mildewproof additives, and 0.6 part Color masterbatch.
3. rainwater-collecting according to claim 1 polyethylene solid wall osmos tube, which is characterized in that the modified titanium dioxide Silicon/ZnS quantum dots compound is to be modified mesoporous silicon oxide bead as carrier, and load has Ag doping zinc sulphide thereon Quantum dot.
4. rainwater-collecting according to claim 3 polyethylene solid wall osmos tube, which is characterized in that the modification mesoporous two Silica bead is made after low temperature plasma and ultraviolet light irradiation Combined Treatment using mesoporous silicon oxide bead as raw material ?.
5. rainwater-collecting according to claim 4 polyethylene solid wall osmos tube, which is characterized in that the Micropore Agent is by weight Measuring number meter includes following components: 10-15 parts of surfactants, 5-10 parts of polyurethanes, 3-5 parts of sodium pyrophosphates, and 80-100 parts even Nitrogen diformamide.
6. rainwater-collecting according to claim 5 polyethylene solid wall osmos tube, which is characterized in that the compound stabilizer It according to parts by weight include following components: 15-20 parts of dibasic lead stearates, 15-20 parts of zinc stearates, 15-20 parts of stearic acid Calcium.
7. the rainwater-collecting according to any claim from 1 to 6 preparation method of polyethylene solid wall osmos tube, It is characterized in that, the preparation method specifically: after weighing the raw material of outer layer, middle layer, internal layer according to formula, set respectively Enter in blender, after being stirred 50-80min at a temperature of 70-80 DEG C, is respectively placed in outer layer, middle layer, inner layer extruder In, it is squeezed out through composite co-extruding die head, obtains polyethylene solid wall osmos tube using cooling, traction of blowing, cutting；
The extrusion temperature of the outer layer and inner layer extruder specifically: 165-175 DEG C of an area, 175-180 DEG C of 2nd area, three area 185- 190 DEG C, 180-185 DEG C of 4th area, 170-175 DEG C of 5th area, 160-165 DEG C of 6th area；
The extrusion temperature of the middle layer extruder specifically: 170-175 DEG C of an area, 180-185 DEG C of 2nd area, three area 190-195 DEG C, 165-170 DEG C of 4th area, 145-150 DEG C of 5th area, 135-140 DEG C of 6th area；
The screw speed of the outer layer and inner layer extruder is 15-24r/min, and the screw speed of middle layer extruder is 35- 45r/min。
8. the rainwater-collecting according to claim 7 preparation method of polyethylene solid wall osmos tube, which is characterized in that described Improved silica/ZnS quantum dots compound the preparation method comprises the following steps:
The preparation of Ag doping ZnS quantum dots: zinc nitrate, thiocarbamide, six methines, four ammonium are dissolved in deionized water, then plus Enter silver nitrate solution, stirs evenly and be placed in autoclave, after being warming up to 140-160 DEG C of reaction 1-2h, cooled to room temperature, Centrifugation, is dried in vacuo washing at room temperature, obtains the ZnS quantum dots of Ag doping；
The preparation of improved silica/ZnS quantum dots compound: it is molten that ethyl alcohol is dispersed by modified mesoporous silicon oxide bead In liquid, after magnetic agitation 20-30min, be added the ZnS quantum dots of Ag doping, ultrasonic 10-15min, be added carbodiimide, N-hydroxysuccinimide is persistently stirred to react 20-24h, after the reaction was completed, silane coupling agent, filtering, with anhydrous second is added For pure and mild deionized water alternately after cleaning three times, vacuum drying obtains improved silica/ZnS quantum dots compound, i.e., anti- Mould additive.
9. the rainwater-collecting according to claim 8 preparation method of polyethylene solid wall osmos tube, which is characterized in that described Modified mesoporous silicon oxide bead the preparation method comprises the following steps: dispersing mesoporous silicon oxide bead in the ethanol-water solution of 25wt% In, after Low Temperature Plasma Treating, benzophenone, methacrylic acid β hydroxyl ethyl ester is added, in nitrogen atmosphere and ultraviolet light spoke According under, 1-2h is reacted, after being centrifuged, wash after the reaction was completed, being dry, obtains modified mesoporous silicon oxide bead.
10. the rainwater-collecting according to claim 9 preparation method of polyethylene solid wall osmos tube, which is characterized in that institute State the process conditions of Low Temperature Plasma Treating are as follows: working gas is one or both of argon gas, nitrogen, and discharge power is 200-250W, processing time are 5-10min.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486355A (en) * 2013-08-28 2014-01-01 临沂东立塑胶建材有限公司 Superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe and manufacturing method thereof
CN107602977A (en) * 2017-09-14 2018-01-19 浙江润阳新材料科技股份有限公司 A kind of antimildew and antibacterial expanded material and preparation method thereof
CN108314819A (en) * 2018-01-22 2018-07-24 惠升管业有限公司 A kind of anti-aging antibacterial PE feed pipes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486355A (en) * 2013-08-28 2014-01-01 临沂东立塑胶建材有限公司 Superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe and manufacturing method thereof
CN107602977A (en) * 2017-09-14 2018-01-19 浙江润阳新材料科技股份有限公司 A kind of antimildew and antibacterial expanded material and preparation method thereof
CN108314819A (en) * 2018-01-22 2018-07-24 惠升管业有限公司 A kind of anti-aging antibacterial PE feed pipes

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