CN102003575A - Water supply pipes and preparation method thereof - Google Patents
Water supply pipes and preparation method thereof Download PDFInfo
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- CN102003575A CN102003575A CN2010102964272A CN201010296427A CN102003575A CN 102003575 A CN102003575 A CN 102003575A CN 2010102964272 A CN2010102964272 A CN 2010102964272A CN 201010296427 A CN201010296427 A CN 201010296427A CN 102003575 A CN102003575 A CN 102003575A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses water supply pipes and a preparation method thereof. The water supply pipes are formed by combining at least one polyethylene layer and one polyethylene derivative layer closely, wherein the polyethylene derivative layer is the inner layer of the pipes. The preparation method of the water supply pipes comprises the following steps of: extruding the polyethylene layer and the polyethylene derivative layer by using an extruder respectively, heating, extruding by using a die head of a die head area of the same extruder, sizing the combined composite pipes, and cooling twice to form the water supply pipes. The water supply pipes have no toxic or side effect, aging resistance, acid-base resistance, high oxygen resistance, high cost performance, safety and reliability, high strength and toughness, strong impact resistance, low comprehensive cost and strong market competitive power, is easy to machine, convenient to use, difficult to age, crack and permeate, and is the innovation of the pipes. The water supply pipes can solve the problems that anti-aging degree, the using temperature and the oxygen resistance are low, and bacteria are easy to breed and the like in polyethylene (PE) pipes effectively.
Description
Technical field
The present invention relates to a kind of water-feeding pipes and preparation method thereof, specifically is the water-feeding pipes that is composited of a kind of resistance to oxidation, acid resistant alkali, resistance oxygen, antibiotic two-layer or two-layer above different materials and the preparation method of this tubing.
Background technique
Along with development of times, the application area of plastic tube is more and more wider, and kind is also more and more.The plastic tube main raw material that is used as conveyance fluid at present both at home and abroad concentrates on the materials such as PP, PVC, PB and PE.Wherein polyethylene (PE) tubing compare with PVC have good toughness, advantages such as density is low, temperature wide accommodation, compare with the PP-R pipe, it is good to have temperature tolerance, advantages such as pliability is good, be widely used in fields such as plumbing, fuel tube, and increase year by year in the application percentage in this field, the market share reaches more than 60%.But also there is certain deficiency in PE tubing, not enough as ageing-resistant degree, reduce greatly at acid-proof alkaline more than 70 ℃, oxygen resistance is relatively poor and easy breed bacteria.Application in fields such as plumbing, combustion gas is subjected to certain restriction to these shortcomings to PE tubing.Society is more and more stronger to the high quality of PE tubing, high performance cry, and the present invention is exactly ageing-resistant, acid resistant alkali, resistance oxygen, the mold resistance that improves PE tubing by the modification to PE.
Summary of the invention
At the problem such as not ageing-resistant that existing polyvinyl piping materials exists, the present invention aims to provide a kind of ageing-resistant, acid resistant alkali, resistance oxygen and antibiotic composite polyethylene water-feeding pipes.
The present invention is achieved in that
A kind of water-feeding pipes comprises at least one polyethylene layer and layer of polyethylene derivative layer and combines closely and form, and the polythene derivative layer is the internal layer of tubing.
Wherein polyethylene layer can be one deck, two-layer and multilayer, and preferred version is two-layer.
When polyethylene layer was one deck, PE resin 100 part, light stabilizer 1 to 4 part, antioxidant 0.05 to 1 part, oxygen-inhibiting agent 0.5 to 4 part, acidproof alkaline agent 5 to 12 part, ultraviolet light absorber 0.1 to 0.2 part, the colorant of polyethylene layer after by modification by weight mixed for 1.5 to 2.5 parts and is crushed to; Described polythene derivative layer is mixed for 2 to 10 parts and is crushed to by resin dedicated 100 parts of PERT by weight, 1 to 4 part of brightening agent, 2 to 10 parts of plasticizer of enhancing, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, antimicrobial agent.
When polyethylene layer when being two-layer, outer to interior outer layer polyethylene layer and inner layer polyethylene layer by tubing, wherein PE resin 100 part, light stabilizer 1 to 4 part, antioxidant 0.05 to 1 part, oxygen-inhibiting agent 0.5 to 4 part, acidproof alkaline agent 5 to 12 part, ultraviolet light absorber 0.1 to 0.2 part, the colorant of outer layer polyethylene layer after by modification by weight mixes for 1.5 to 2.5 parts and is crushed to; The PE resin 100 part of inner layer polyethylene layer after, strengthen 2 to 10 parts of plasticizer, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, strengthening agent and mix for 8 to 12 parts and be crushed to by the modification of weight meter; Described polythene derivative layer is mixed for 2 to 10 parts and is crushed to by resin dedicated 100 parts of PERT by weight, 1 to 4 part of brightening agent, 2 to 10 parts of plasticizer of enhancing, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, antimicrobial agent.
When polyethylene layer is three layers, comprise by tubing outward to interior outer layer polyethylene layer, middle level polyethylene layer and inner layer polyethylene layer, wherein PE resin 100 part, light stabilizer 1 to 4 part, antioxidant 0.05 to 1 part, oxygen-inhibiting agent 0.5 to 4 part, acidproof alkaline agent 5 to 12 part, ultraviolet light absorber 0.1 to 0.2 part, the colorant of outer layer polyethylene layer after by modification by weight mixes for 1.5 to 2.5 parts and is crushed to; The PE resin 100 part of middle level polyethylene layer after, strengthen 2 to 10 parts of plasticizer, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, strengthening agent and mix for 8 to 12 parts and be crushed to by the modification of weight meter; The PE resin 100 part of inner layer polyethylene layer after, strengthen 2 to 10 parts of plasticizer, 0.1 to 0.3 part of bulking agent, coupling agent and mix for 0.1 to 0.3 part and be crushed to by the modification of weight meter; Described polythene derivative layer is mixed for 2 to 10 parts and is crushed to by resin dedicated 100 parts of PERT by weight, 1 to 4 part of brightening agent, 2 to 10 parts of plasticizer of enhancing, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, antimicrobial agent.
Wherein, polyethylene (PE) resin can be a kind of in PE100 level, PE80 level and the PE63 grade resins.
Light stabilizer is any or multiple combination of hindered amine as light stabilizer.
Ultraviolet light absorber can be one or more combinations in benzotriazole or the benzophenone ultraviolet light absorber.
Colorant is general color masterbatch of thermoplastic or carbon black.
Antioxidant is one or more the combination in hindered phenol type antioxidant and the thioester type auxiliary antioxidant.
Bulking agent is grafting or block copolymer.
Coupling agent is one or more the combination in silane coupler or the titanate coupling agent.
Oxygen-inhibiting agent is one or more the combination in PVOH, EVOH, PEN, the polyamide etc.
Acidproof alkaline agent is the polyethylene of super high molecular weight or one or more the combination in the glass fibre.
Strengthening plasticizer is modified inorganic nano redigity particle.
Strengthening agent is a microfibril.
Brightening agent is a synthetic wax.
Antimicrobial agent is nano metal particles or metallic oxide antimicrobial agent.
Wherein, when polyethylene layer when being two-layer, the control outer layer of polyethene: polyethylene inner layer: the thickness ratio of polythene derivative internal layer is 3: 2: 1, and the density in outer layer of polyethene and middle level is 0.935 to 0.956g/cm
3, the density of polythene derivative internal layer is 0.930 to 0.946g/cm
3
The present invention also provides the preparation method of above-mentioned water-feeding pipes, comprising:
After polyethylene layer and polythene derivative layer extruded heating by extruder respectively, extrude by the die head of same extruder die Head Section again;
Wherein, the machine barrel section length of the extruder of polyethylene layer and polythene derivative layer is divided into 4 sections, every section temperature is: 1 section is 170 ± 5 ℃, 2 sections is 175 ± 5 ℃, 3 sections is 180 ± 5 ℃, 4 sections is 185 ± 5 ℃, and the die head length of extruder die Head Section is divided into 7 sections, and every section temperature is: 1 section is 195 ± 10 ℃, 2 sections is 185 ± 5 ℃, 3 sections is 190 ± 5 ℃, and 4 sections is 195 ± 5 ℃, and 5 sections is 200 ± 5 ℃, 6 sections is 205 ± 5 ℃, 7 sections is 210 ± 5 ℃, and the extruder rotating speed is 60 to 125 commentaries on classics/min, and hauling speed is 350 to 800cm/min;
In conjunction with after composite pipe in 0.012 to 0.04MPa vacuum, after water temperature is 20 to 25 ℃ of following sizings, place 18 to 23 ℃ water tank to carry out the secondary cooling again, tubing of the present invention.
When polyethylene layer is 2 layers and above multilayer, except that internal layer, other alternately extrusion modling of layer.The extruder that adopts is general extruder, and for example: Qingdao Mount is moulded the SJ series single-screw extruder that extrusion equipment Co., Ltd produces.
Because polythene derivative (PERT) machine shaping is that single one-tenth heavy caliber pipe is that difficulty is bigger, but because it belongs to polythene derivative and performance has just determined that with basic this consistent with polyethylene of structure the two can fine bonding adhere to each other in polyethylene and the polythene derivative forming process.
The present invention has no side effect, ageing-resistant, acid resistant alkali, resistance oxygen height, cost performance is good, processing is simple, easy to use safe and reliable, intensity is high, good toughness, impact resistance are strong, it is aging to be difficult for, fracture, infiltration, overall cost is low, the market competitiveness is strong, is the innovation on the tubing.Can effectively solve PE tubing a little less than anti-aging degree, problems such as lower serviceability temperature, resistance oxygen difference and easy breed bacteria.
Embodiment
Embodiment one
After outer layer of polyethene, polythene derivative internal layer extruded heating by extruder respectively, extrude by same extrusion neck ring mold again, by the two-layer co-extrusion of outer layer of polyethene and polythene derivative internal layer and the composite pipe of two-layer combination closely.Wherein, the machine barrel section length of the two-layer extruder of polythene PE is divided into 4 sections, and every section temperature is: 1 section is 170 ± 5 ℃, 2 sections is 175 ± 5 ℃, and 3 sections is 180 ± 5 ℃, and 4 sections is 185 ± 5 ℃, the die head length of extruder die Head Section is divided into 7 sections, and every section temperature is: 1 section is 195 ± 10 ℃, and 2 sections is 185 ± 5 ℃, 3 sections is 190 ± 5 ℃, and 4 sections is 195 ± 5 ℃, and 5 sections is 200 ± 5 ℃, 6 sections is 205 ± 5 ℃, 7 sections is 210 ± 5 ℃, and the extruder rotating speed is 100 commentaries on classics/min, and hauling speed is 700cm/min; Outer layer of polyethene: the thickness ratio of polythene derivative internal layer is 3: 1, and the density of outer layer of polyethene is 0.935 to 0.956g/cm
3, the density of polythene derivative internal layer is 0.930 to 0.946g/cm
3In conjunction with after composite pipe in 0.012 to 0.04MPa vacuum, after water temperature is 20 to 25 ℃ of following sizings, place 18 to 23 ℃ water tank to carry out the secondary cooling again, product is printed, traction, scale cutting tubing of the present invention, described outer layer of polyethene is by 100 parts of by weight the HDPE-P600 of Korea S Kpic resins, acidproof alkaline agent is UHMW-PE6 part of Mitsui petrochemistry company, oxygen-inhibiting agent is oxygen-inhibiting agent EVOH2 part of Japanese synthetic chemistry, light stabilizer is hindered amine as light stabilizer HS-9440.05 part of Beijing Big Dipper auxiliary agent company and acene triazole type ultraviolet light absorber UV-3280.1 part of Qingdao China grace chemical industry Co., Ltd, antioxidant is 0.1 part of the antioxidant 300 of Beijing Jiyi Chemicals Co., Ltd., the carbon black of 0.05 part of antioxidant 1010 of Beijing Jiyi Chemicals Co., Ltd. and carbon black group of Shanxi three strongest ones mixes for 2.5 parts and is crushed to; Polythene derivative internal layer heat-resistant material is by 100 parts of the DX800PERT resins of by weight Korea S SK, strengthen plasticizer and be 3 parts of the active nano-calcium carbonates of Warner, Ruicheng, Shanxi nanometer material Co., Ltd, bulking agent is that 0.1 part of chemical maleic anhydride difficult to understand is visitd in Nanjing, 0.2 part of the silane resin acceptor kh-550 that coupling agent is sent organosilicon new material Co., Ltd for the Nanjing Xiang flies to stand, brightening agent is risen 3632 parts of the brightening agents of chemical industry Co., Ltd for Haimen crowd, antimicrobial agent is that the inorganic carrying silver antimicrobials of Xi'an Convrl Rntibiotic Science ﹠ Technique Co., Ltd. mixes for 4 parts and is crushed to.
Embodiment two
After outer layer of polyethene, polyethylene middle level, polythene derivative internal layer extruded heating by extruder respectively, extrude composite pipe by same extrusion neck ring mold again by three-layer co-extruded and three layers of combination closely of outer layer of polyethene, polyethylene middle level and polythene derivative internal layer.The machine barrel section length of the extruder of outer layer of polyethene, polyethylene middle level and polythene derivative internal layer is divided into 4 sections, every section temperature is: 1 section is 170 ± 5 ℃, 2 sections is 175 ± 5 ℃, 3 sections is 180 ± 5 ℃, 4 sections is 185 ± 5 ℃, the die head length of extruder die Head Section is divided into 7 sections, every section temperature is: 1 section is 195 ± 10 ℃, and 2 sections is 185 ± 5 ℃, and 3 sections is 190 ± 5 ℃, 4 sections is 195 ± 5 ℃, 5 sections is 200 ± 5 ℃, and 6 sections is 205 ± 5 ℃, and 7 sections is 210 ± 5 ℃, the extruder rotating speed is 100 commentaries on classics/min, and hauling speed is 700cm/min; Outer layer of polyethene: polythene PE middle level: the thickness ratio of polythene derivative internal layer is 3: 2: 1, and the density in outer layer of polyethene and middle level is 0.935 to 0.956g/cm
3, the density of polythene derivative internal layer is 0.930 to 0.946g/cm
3In conjunction with after composite pipe in the vacuum of 0.02Mpa, after water temperature is 22 ℃ of following sizings, place 19 ℃ water to carry out the secondary cooling again, product is printed, traction, scale cutting tubing of the present invention, described outer layer of polyethene is by 100 parts of by weight the HDPE-P600 of Korea S Kpic resins, acidproof alkaline agent is 8 parts of the UHMW-PE of Mitsui petrochemistry company, oxygen-inhibiting agent is 4 parts of the oxygen-inhibiting agent EVOH of Japanese synthetic chemistry, light stabilizer is hindered amine as light stabilizer HS-9440.1 part of Beijing Big Dipper auxiliary agent company, the acene triazole type ultraviolet light absorber UV-3280.15 part of Qingdao China grace chemical industry Co., Ltd and 2.5 parts of the carbon blacks (the double colorant of doing) of carbon black group of Shanxi three strongest ones, antioxidant is that the antioxidant of Beijing Jiyi Chemicals Co., Ltd. mixes for 2150.1 parts and is crushed to; Described polythene PE middle level by described by by weight 100 parts of the HDPE-P600 of Korea S Kpic resins, to strengthen plasticizer be that 4 parts of active nano-calcium carbonates, the strengthening agent of Warner, Ruicheng, Shanxi rice Materials Co., Ltd is that to be Nanjing 0.2 part of the maleic anhydride of visiing chemistry difficult to understand, coupling agent mix for 0.2 part and be crushed to for the Nanjing Xiang flies upright silane resin acceptor kh-550 of sending organosilicon new material Co., Ltd for 10 parts of matching that imperial glass fibre company produces in Shenzhen, bulking agent; 98 parts of the DX800PERT resins of described polythene derivative internal layer heat-resistant material Korea S SK by weight, strengthen plasticizer and be 4 parts of the active nano-calcium carbonates of Warner, Ruicheng, Shanxi nanometer material Co., Ltd, bulking agent is that 0.2 part of chemical maleic anhydride difficult to understand is visitd in Nanjing, 0.2 part of the silane resin acceptor kh-550 that coupling agent is sent organosilicon new material Co., Ltd for the Nanjing Xiang flies to stand, brightening agent is risen 3632 parts of the brightening agents of chemical industry Co., Ltd for Haimen crowd, antimicrobial agent is that the inorganic carrying silver antimicrobials of Xi'an Convrl Rntibiotic Science ﹠ Technique Co., Ltd. mixes for 5 parts and is crushed to.
Embodiment three
After two layers, polythene derivative internal layer in one deck, the polyethylene in outer layer of polyethene, the polythene PE are extruded heating by extruder respectively, extrude composite pipe by same extrusion neck ring mold again by the multi-layer co-extruded and multilayer combination closely of outer layer of polyethene, polyethylene middle level and polythene derivative internal layer.The machine barrel section length of the extruder of outer layer of polyethene, polythene PE middle level and polythene derivative internal layer is divided into 4 sections, and every section temperature is: 1 section is 170 ± 5 ℃, and 2 sections is 175 ± 5 ℃, 3 sections is 180 ± 5 ℃, and 4 sections is 185 ± 5 ℃, and the die head length of extruder die Head Section is divided into 7 sections, every section temperature is: 1 section is 195 ± 10 ℃, 2 sections is 185 ± 5 ℃, and 3 sections is 190 ± 5 ℃, and 4 sections is 195 ± 5 ℃, 5 sections is 200 ± 5 ℃, 6 sections is 205 ± 5 ℃, and 7 sections is 210 ± 5 ℃; The extruder rotating speed is 100 commentaries on classics/min, and hauling speed is 700cm/min; Outer layer of polyethene: one deck in the polythene PE: in the polythene PE two layers: the thickness ratio of polyethylene inner layer is 2: 2: 2: 1, and the density in outer layer of polyethene and middle level is 0.935 to 0.956g/cm
3, the density of polythene derivative internal layer is 0.930 to 0.946g/cm
3In conjunction with after composite pipe in the vacuum of 0.02Mpa, after water temperature is 23 ℃ of following sizings, place 20 ℃ water to carry out the secondary cooling again, product is printed, traction, scale cutting tubing of the present invention, described outer layer of polyethene is by 100 parts of by weight the HDPE-P600 of Korea S Kpic resins, acidproof alkaline agent is 10 parts of the UHMW-PE of Mitsui petrochemistry company, colorant is 2 parts of the black color masterbatches of Cabot board, oxygen-inhibiting agent is 4 parts of the oxygen-inhibiting agent PVOH of Japanese synthetic chemistry, light stabilizer be the hindered amine as light stabilizer HS-9620.2 part of Beijing Big Dipper auxiliary agent company and the safe company of Kingcon 0.2 part of benzophenone ultraviolet absorbent UV-531, antioxidant is that the antioxidant of Beijing Jiyi Chemicals Co., Ltd. mixes for 2150.15 parts and is crushed to; In the described polythene PE one polyethylene layer by described 100 parts of the HDPE-P600 of Korea S Kpic resins, strengthening agent by by weight be 10 parts of matching that imperial glass fibre company produces in Shenzhen, to strengthen plasticizer be that to be Nanjing 0.2 part of the maleic anhydride of visiing chemistry difficult to understand, coupling agent mix for 0.2 part and be crushed to for the Nanjing Xiang flies upright silane resin acceptor kh-550 of sending organosilicon new material Co., Ltd for 5 parts of active nano-calcium carbonates, the bulking agent of Warner, Ruicheng, Shanxi nanometer material Co., Ltd; In the described polythene PE bilaminar polyethylene layer by described by by weight 100 parts of the HDPE-P600 of Korea S Kpic resins, to strengthen plasticizer be that to be Nanjing 0.2 part of the maleic anhydride of visiing chemistry difficult to understand, coupling agent mix for 0.2 part and be crushed to for the Nanjing Xiang flies upright silane resin acceptor kh-550 of sending organosilicon new material Co., Ltd for 5 parts of active nano-calcium carbonates, the bulking agent of Warner, Ruicheng, Shanxi nanometer material Co., Ltd; 100 parts of the DX800PERT resins of the Korea S SK that described polythene derivative internal layer heat-resistant material is the weight meter, strengthen plasticizer and be 3 parts of the active nano-calcium carbonates of Warner, Ruicheng, Shanxi nanometer material Co., Ltd, bulking agent is that 0.2 part of chemical maleic anhydride difficult to understand is visitd in Nanjing, 0.2 part of the silane resin acceptor kh-550 that coupling agent is sent organosilicon new material Co., Ltd for the Nanjing Xiang flies to stand, brightening agent is risen 363 2 parts of the brightening agents of chemical industry Co., Ltd for Haimen crowd, antimicrobial agent is that the inorganic carrying silver antimicrobials of Xi'an Convrl Rntibiotic Science ﹠ Technique Co., Ltd. mixes for 4 parts and is crushed to.
Claims (6)
1. water-feeding pipes is characterized in that: comprise at least one polyethylene layer and layer of polyethylene derivative layer and combine closely and form, the polythene derivative layer is the internal layer of tubing.
2. water-feeding pipes according to claim 1, it is characterized in that: described polyethylene layer is one deck, and PE resin 100 part, light stabilizer 1 to 4 part, antioxidant 0.05 to 1 part, oxygen-inhibiting agent 0.5 to 4 part, acidproof alkaline agent 5 to 12 part, ultraviolet light absorber 0.1 to 0.2 part, the colorant of polyethylene layer after by modification by weight mixes for 1.5 to 2.5 parts and be crushed to; Described polythene derivative layer is mixed for 2 to 10 parts and is crushed to by resin dedicated 100 parts of PERT by weight, 1 to 4 part of brightening agent, 2 to 10 parts of plasticizer of enhancing, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, antimicrobial agent.
3. water-feeding pipes according to claim 1, it is characterized in that: described polyethylene layer is two-layer, comprise by tubing outward to interior outer layer polyethylene layer and inner layer polyethylene layer, wherein PE resin 100 part, light stabilizer 1 to 4 part, antioxidant 0.05 to 1 part, oxygen-inhibiting agent 0.5 to 4 part, acidproof alkaline agent 5 to 12 part, ultraviolet light absorber 0.1 to 0.2 part, the colorant of outer layer polyethylene layer after by modification by weight mixes for 1.5 to 2.5 parts and is crushed to; The PE resin 100 part of inner layer polyethylene layer after, strengthen 2 to 10 parts of plasticizer, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, strengthening agent and mix for 8 to 12 parts and be crushed to by the modification of weight meter; Described polythene derivative layer is mixed for 2 to 10 parts and is crushed to by resin dedicated 100 parts of PERT by weight, 1 to 4 part of brightening agent, 2 to 10 parts of plasticizer of enhancing, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, antimicrobial agent.
4. water-feeding pipes according to claim 1, it is characterized in that: described polyethylene layer is three layers, comprise by tubing outward to interior outer layer polyethylene layer, middle level polyethylene layer and inner layer polyethylene layer, wherein PE resin 100 part, light stabilizer 1 to 4 part, antioxidant 0.05 to 1 part, oxygen-inhibiting agent 0.5 to 4 part, acidproof alkaline agent 5 to 12 part, ultraviolet light absorber 0.1 to 0.2 part, the colorant of outer layer polyethylene layer after by modification by weight mixes for 1.5 to 2.5 parts and is crushed to; The PE resin 100 part of middle level polyethylene layer after, strengthen 2 to 10 parts of plasticizer, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, strengthening agent and mix for 8 to 12 parts and be crushed to by the modification of weight meter; The PE resin 100 part of inner layer polyethylene layer after, strengthen 2 to 10 parts of plasticizer, 0.1 to 0.3 part of bulking agent, coupling agent and mix for 0.1 to 0.3 part and be crushed to by the modification of weight meter; Described polythene derivative layer is mixed for 2 to 10 parts and is crushed to by resin dedicated 100 parts of PERT by weight, 1 to 4 part of brightening agent, 2 to 10 parts of plasticizer of enhancing, 0.1 to 0.3 part of bulking agent, 0.1 to 0.3 part of coupling agent, antimicrobial agent.
5. according to the described water-feeding pipes of the arbitrary claim of claim 2 to 4, it is characterized in that: described light stabilizer is that hindered amine as light stabilizer, ultraviolet light absorber are benzotriazole or benzophenone ultraviolet light absorber, colorant is general color masterbatch of thermoplastic or carbon black, antioxidant is hindered phenol type antioxidant, bulking agent is grafting or block copolymer, and coupling agent is silane coupler or titanate coupling agent; Oxygen-inhibiting agent is PVOH or EVOH or PEN or polyamide, acidproof alkaline agent is ultra-high molecular weight polyethylene or glass, strengthening agent is a microfibril, and strengthening plasticizer is that modified inorganic nano redigity particle, brightening agent are that synthetic wax, antimicrobial agent are nano metal particles or metallic oxide antimicrobial agent.
6. the preparation method of the described water-feeding pipes of claim 1 is characterized in that:
After polyethylene layer and polythene derivative layer extruded heating by extruder respectively, extrude by the die head of same extruder die Head Section again;
Wherein, the machine barrel section length of the extruder of polyethylene layer and polythene derivative layer is divided into 4 sections, every section temperature is: 1 section is 170 ± 5 ℃, 2 sections is 175 ± 5 ℃, 3 sections is 180 ± 5 ℃, 4 sections is 185 ± 5 ℃, and the die head length of extruder die Head Section is divided into 7 sections, and every section temperature is: 1 section is 195 ± 10 ℃, 2 sections is 185 ± 5 ℃, 3 sections is 190 ± 5 ℃, and 4 sections is 195 ± 5 ℃, and 5 sections is 200 ± 5 ℃, 6 sections is 205 ± 5 ℃, 7 sections is 210 ± 5 ℃, and the extruder rotating speed is 60 to 125 commentaries on classics/min, and hauling speed is 350 to 800cm/min;
In conjunction with after composite pipe in 0.012 to 0.04MPa vacuum, after water temperature is 20 to 25 ℃ of following sizings, place 18 to 23 ℃ water tank to carry out the secondary cooling again, tubing of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102964272A CN102003575B (en) | 2010-09-29 | 2010-09-29 | Water supply pipes and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032398A (en) * | 2010-12-20 | 2011-04-27 | 辽宁康泰塑胶科技有限公司 | Antibacterial oxygen-resistance heatproof composite pipe and preparation method thereof |
| CN102330465A (en) * | 2011-05-31 | 2012-01-25 | 厦门建霖工业有限公司 | Water tank body of dual-layer functional toilet and production method of water tank body |
| CN102410407A (en) * | 2011-08-05 | 2012-04-11 | 康泰塑胶科技集团有限公司 | Light-resisting and oxygen-resisting plastic piping material |
| CN103121290A (en) * | 2013-01-28 | 2013-05-29 | 钭礼俊 | Automatic production line of composite tube and production method thereof |
| CN103923372A (en) * | 2014-04-16 | 2014-07-16 | 福建博大塑业新材料有限公司 | PE (polyethylene) tubular product and preparation method thereof as well as equipment |
| CN104179154A (en) * | 2012-10-17 | 2014-12-03 | 昆明普尔顿环保科技股份有限公司 | Polymer-material water conveying system and manufacturing and mounting method thereof |
| CN105034418A (en) * | 2015-09-06 | 2015-11-11 | 三德管业(南通)有限公司 | High-speed efficient production technology of novel heat-proof oxygen-resisting PE-RT tube |
| CN106247029A (en) * | 2016-10-11 | 2016-12-21 | 湖北新华塑料有限公司 | PE composite antibacterial feed pipe |
| CN107199724A (en) * | 2017-06-19 | 2017-09-26 | 山东金达管业有限公司 | The secondary forming extrusion technique of single screw rod ultrahigh molecular weight polyethylene tubing |
| CN111070621A (en) * | 2019-12-13 | 2020-04-28 | 浙江沃坦科水暖设备有限公司 | Preparation method of inorganic nano antibacterial ultrafine PERT tube |
| CN114953680A (en) * | 2022-06-17 | 2022-08-30 | 贵州恒通源管业有限公司 | High-strength antibacterial PE water supply pipe and production process thereof |
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| CN101696752A (en) * | 2009-10-28 | 2010-04-21 | 河南康泰塑业科技有限公司 | Polyolefin PP/PVDC/polyolefin PE multilayer compounded tube |
| CN101776185A (en) * | 2009-01-13 | 2010-07-14 | 上海龙胜实业有限公司 | Composite pipe |
| CN101839377A (en) * | 2010-05-14 | 2010-09-22 | 广东联塑科技实业有限公司 | Solar-powered hot water conveying pipeline and manufacturing method thereof |
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| CN101776185A (en) * | 2009-01-13 | 2010-07-14 | 上海龙胜实业有限公司 | Composite pipe |
| CN101696752A (en) * | 2009-10-28 | 2010-04-21 | 河南康泰塑业科技有限公司 | Polyolefin PP/PVDC/polyolefin PE multilayer compounded tube |
| CN101839377A (en) * | 2010-05-14 | 2010-09-22 | 广东联塑科技实业有限公司 | Solar-powered hot water conveying pipeline and manufacturing method thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032398A (en) * | 2010-12-20 | 2011-04-27 | 辽宁康泰塑胶科技有限公司 | Antibacterial oxygen-resistance heatproof composite pipe and preparation method thereof |
| CN102032398B (en) * | 2010-12-20 | 2012-11-21 | 辽宁康泰塑胶科技有限公司 | Antibacterial oxygen-resistance heatproof composite pipe and preparation method thereof |
| CN102330465A (en) * | 2011-05-31 | 2012-01-25 | 厦门建霖工业有限公司 | Water tank body of dual-layer functional toilet and production method of water tank body |
| CN102410407A (en) * | 2011-08-05 | 2012-04-11 | 康泰塑胶科技集团有限公司 | Light-resisting and oxygen-resisting plastic piping material |
| CN104179154A (en) * | 2012-10-17 | 2014-12-03 | 昆明普尔顿环保科技股份有限公司 | Polymer-material water conveying system and manufacturing and mounting method thereof |
| CN104179154B (en) * | 2012-10-17 | 2016-03-23 | 昆明普尔顿环保科技股份有限公司 | Macromolecular material water-carriage system and manufacture, installation method |
| CN103121290A (en) * | 2013-01-28 | 2013-05-29 | 钭礼俊 | Automatic production line of composite tube and production method thereof |
| CN103923372A (en) * | 2014-04-16 | 2014-07-16 | 福建博大塑业新材料有限公司 | PE (polyethylene) tubular product and preparation method thereof as well as equipment |
| CN105034418A (en) * | 2015-09-06 | 2015-11-11 | 三德管业(南通)有限公司 | High-speed efficient production technology of novel heat-proof oxygen-resisting PE-RT tube |
| CN106247029A (en) * | 2016-10-11 | 2016-12-21 | 湖北新华塑料有限公司 | PE composite antibacterial feed pipe |
| CN107199724A (en) * | 2017-06-19 | 2017-09-26 | 山东金达管业有限公司 | The secondary forming extrusion technique of single screw rod ultrahigh molecular weight polyethylene tubing |
| CN111070621A (en) * | 2019-12-13 | 2020-04-28 | 浙江沃坦科水暖设备有限公司 | Preparation method of inorganic nano antibacterial ultrafine PERT tube |
| CN114953680A (en) * | 2022-06-17 | 2022-08-30 | 贵州恒通源管业有限公司 | High-strength antibacterial PE water supply pipe and production process thereof |
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