CN101434733A - Modified polychloroethylene drip irrigation tape - Google Patents
Modified polychloroethylene drip irrigation tape Download PDFInfo
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- CN101434733A CN101434733A CNA2008102298560A CN200810229856A CN101434733A CN 101434733 A CN101434733 A CN 101434733A CN A2008102298560 A CNA2008102298560 A CN A2008102298560A CN 200810229856 A CN200810229856 A CN 200810229856A CN 101434733 A CN101434733 A CN 101434733A
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- irrigation tape
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Abstract
The invention relates to a modified polyvinyl chloride (PVC) drip tape applied to the filed of agricultural water-saving irrigation facilities. The formula of the PVC drip tape comprises carbon black, a plasticizer, a high molecular plasticizer (GZ), an anti-impact modifier, a lubricant, a processing accessory agent, a heat stabilizer, calcium carbonate (CaCO3), a coupler and PVC; the carbon black comprises medium color black and common color black; the PVC comprises the types of PVC-SG2, PVC-SG3, PVC-SG4 and PVC-SG5; the plasticizer comprises dibutyl phthalate (DBP) and dioctyl sebacate (DOS); the lubricant comprises a compound lubricant, i.e., a stearic acid, calcium stearate, chlorinated paraffin or oxidized polyethylene wax (OPE). The modified PVC drip tape has scientific and novel conception; the PVC drip tape has excellent comprehensive performance after modification treatment by using various modification accessory agents; and compared with the common PVC drip tape, the modified PVC drip tape has relatively low production cost and more remarkable advantages in price and performance, can reduce the consumption of gasoline resource and is more beneficial to the agricultural water-saving irrigation technology of China.
Description
Technical field:
The present invention relates to modified polyvinyl chloride (PVC) drip irrigation zone in the agricultural water-saving irrigation facility field.
Background technology:
Mentioned agenda in the deficient problem of water resources in china, how to have solved the problem that the fresh water resources shortage in China problem has become state leader and expert's growing interest, the state leader repeatedly proposes: grab the problem that water resources problems is used as the whole society.Can utilize under the gross amount of water resources condition of limited, water saving will be the only resource and the measure that solves the fresh water resources shortage in China problem." will grab water saving as a revolutionary measure " this is top-down appealing, and owing to Chinese agriculture is the water rich and influential family, so agricultural water conservation will be the problem of standing in the breach and will solve.
Country all grabs agricultural water-saving irrigation in " 15 " development of water saving irrigation outline and national comprehensive agricultural development " 15 " evolutionary operation(EVOP) as an important content.Estimate 1.5 hundred million mu of the Eleventh Five-Year Plan period national planned development agricultural water-saving irrigated areas according to agricultural sector, wherein 1.3 hundred million mu is that existing irrigated area is carried out the water-saving technology transformation, and 0.2 hundred million mu is newly-increased water-saving irrigated area; Develop 1.5 hundred million mu of agricultural water-saving irrigated areas and need drop into 1,000 hundred million yuan, the input of water saving irrigation product, material is accounted for the 50%-70% of total input.Wherein particularly point out and to be placed on key target for investment " northwest ecological environment frailty district ".Therefore the northwest became popularization water saving irrigation key area in recent years, also became the biggest market that the drip irrigation material is used simultaneously.
At present, no matter the home and abroad all is raw material production agricultural water conservation drip irrigation facility with the polyethylene, reason is a polyvinyl chloride (PVC) RESINS density than big, compare with polyethylene have higher rigidity, hardness and lower toughness, its elongation at break, shock strength, thermostability are all not as polyethylene.The high processing difficulties of material viscosity, therefore, the precedent of polyvinyl chloride of no use for a long time (PVC) production drip irrigation zone.Because polyethylene molecule flexibility is good, toughness and lower temperature resistance are good, and the drip irrigation zone of making has good physical and mechanical properties.But because polyethylene is the derived product of petrochemical complex, along with the continuous minimizing of China's oil resource and constantly increasing of oil price, make with the polyethylene to be that the cost of main material production drip irrigation zone also constantly increases, directly influenced the popularization that the peasant adopts the enthusiasm and the agricultural water conservation drip irrigation of water-saving drip irrigation.Therefore, develop a kind of modified polyvinyl chloride (PVC) drip irrigation zone is new problem anxious to be solved always.
Summary of the invention:
The objective of the invention is to provide a kind of and it is carried out modification, thereby a kind of excellent property, modified polyvinyl chloride (PVC) drip irrigation zone that production cost is low are provided by in polyvinyl chloride resin, sneaking into corresponding additive.
The object of the present invention is achieved like this: a kind of modified polychloroethylene drip irrigation tape, the prescription of this product is carbon black 0.6-1.8%, softening agent 15-35%, polymeric plasticizer (GZ) 5-10%, anti-impact modifier 1.5-4.5%, lubricant 0.5-2%, processing aid 0.3-3%, thermo-stabilizer 0.5-2%, lime carbonate (CaCO
3) 10-25%, coupling agent 0.3-1%, polyvinyl chloride 55-65%; Carbon black comprises middle colour carbon black, ordinary carbon black pigment; Polyvinyl chloride comprises PVC-SG2 type, PVC-SG3 type, PVC-SG4 type, PVC-SG5 type; Softening agent comprises dibutyl phthalate (DBP), dioctyl sebacate (DOS); Lubricant comprises that compounded lubricant is stearic acid, calcium stearate, clorafin or oxidized polyethlene wax (OPE); Anti-impact modifier comprises ABS resin, CPE resin, EVA, P83; Processing aid comprises acrylics, cinnamic multipolymer; Thermo-stabilizer comprises Bis(lauroyloxy)dioctyltin (DOTL), dimethyl dimercapto 2-ethyl hexyl ethanoate tin (DMTFG), di-n-butyltin dilaurate (DBTL), toxilic acid di-n-butyl tin (DBTM), rare-earth stabilizer (XT); Coupling agent comprises aluminate coupling agent, titanate coupling agent, silane coupling agent; Lime carbonate (CaCO
3) comprise nanometer CaCO
3, superfine active CaCO
3, lightweight CaCO
3, heavy CaCO
3
Main points of the present invention are its prescription and design philosophy.Its principle of design is that the present invention uses carbon black can stop ultraviolet ray to enter inside, drip irrigation zone, stops the photodegradation of polymkeric substance to be carried out, and has prolonged the work-ing life of drip irrigation zone; The softening agent that uses is a kind of permanent plasticity-that can increase fluoropolymer resin with polyvinyl chloride (PVC) RESINS blended polymeric plasticizer, gives the auxiliary agent of product softness, is polymeric plasticizer GZ and compounded lubricant; The processing aid that uses is a kind of auxiliary agent that can promote the PVC fusion plastification; The thermo-stabilizer that uses is a kind of composite thermal stabilizer of Heat stability is good, has the organic tin thermo-stabilizer of long-term thermal stability; The coupling agent that uses is a kind of auxiliary agent that can promote the modification of PVC inorganic filler surface.From China's energy angle, overcome the technology prejudice of this area, the PVC raw material substitution PE raw material after handling with modification, the polyvinyl chloride of producing (Pvc) drip irrigation zone physical and mechanical properties has reached standard.Use the Production of PVC drip irrigation zone, greatly reduce the production cost of drip irrigation zone, reduced China, realize the high quality of China's energy consumption of petroleum resources.The present invention substitutes PE production of resins drip irrigation zone with polyvinyl chloride resin, has added multiple modified additive, by suitable proportioning, polyvinyl chloride (PVC) RESINS is carried out modification, makes its requirement that reaches the production drip irrigation zone, for the production of drip irrigation zone provides a kind of new approach.Because polyvinyl chloride density is bigger, have higher intensity, rigidity, hardness and lower toughness, add suitable softening agent and polymeric plasticizer, improved the plasticity-of polyvinyl chloride (PVC) RESINS, polymeric plasticizer does not move the plasticity forever that has increased resin, gives product softness.The suitable adding of lubricant has reduced the frictional force that reaches material and processing units surface between the material, thereby has reduced the resistance to flow and the melt viscosity of melt, has improved the flowability of melt, avoids the adhesion of melt and equipment, improves the smooth finish of product surface.Polyvinyl chloride (PVC) RESINS is a polarity amorphism superpolymer, stronger reactive force is arranged between the molecule, it is a hard and crisp material, resistance to impact shock is lower, adds an amount of impact modifying agent of people, and the elastomerics particle of impact modifying agent has reduced total crazing and caused stress, and utilize the distortion and the shear zone of particle self, stop crazing to enlarge and growth, absorb and import the intravital striking energy of material into, thereby reached shock proof purpose.Because PVC melt poor ductility, easily cause the melt fragmentation: the PVC melt is lax slow, causes easily that product surface is coarse, phenomenons such as tarnish and shark skin, adds processing aid, improved the above-mentioned defective of PVC melt, promoted the resin fusion, improved the melt rheological property energy and given lubricating function.Pure polyvinyl chloride (PVC) RESINS to thermoae be responsive, pyrolysis easily takes place in the course of processing, add thermo-stabilizer, can effectively alleviate the pyrolysis of polyvinyl chloride (PVC) RESINS in the course of processing.
Modified polychloroethylene drip irrigation tape compared with prior art, has design science novelty, by using multiple modified additive, polyvinyl chloride () PVC after modification is handled) drip irrigation zone has the excellent comprehensive performance, and it is compared with the common polythene drip irrigation zone, and production cost is lower, on price and performance, have more advantage, and can reduce consumption of petroleum resources, more helping the advantages such as popularization of China's agricultural water-saving irrigation technology, will be widely used in the agricultural water-saving irrigation facility field.
The present invention is described in detail below in conjunction with embodiment.
Embodiment:
A kind of modified polychloroethylene drip irrigation tape, the prescription of this product is carbon black 0.6-1.8%, softening agent 15-35%, polymeric plasticizer (GZ) 5-10%, anti-impact modifier 1.5-4.5%, lubricant 0.5-2%, processing aid 0.3-3%, thermo-stabilizer 0.5-2%, lime carbonate (CaCO
3) 10-25%, coupling agent 0.3-1%, polyvinyl chloride 55-65%; Carbon black comprises middle colour carbon black, ordinary carbon black pigment; Polyvinyl chloride comprises PVC-SG2 type, PVC-SG3 type, PVC-SG4 type, PVC-SG5 type; Softening agent comprises dibutyl phthalate (DBP), dioctyl sebacate (DOS); Lubricant comprises that compounded lubricant is stearic acid, calcium stearate, clorafin or oxidized polyethlene wax (OPE); Anti-impact modifier comprises ABS resin, CPE resin, EVA, P83; Processing aid comprises acrylics, cinnamic multipolymer; Thermo-stabilizer comprises Bis(lauroyloxy)dioctyltin (DOTL), dimethyl dimercapto 2-ethyl hexyl ethanoate tin (DMTFG), di-n-butyltin dilaurate (DBTL), toxilic acid di-n-butyl tin (DBTM), rare-earth stabilizer (XT); Coupling agent comprises aluminate coupling agent, titanate coupling agent, silane coupling agent; Lime carbonate (CaCO
3) comprise nanometer CaCO
3, superfine active CaCO
3, lightweight CaCO
3, heavy CaCO
3
Embodiments of the invention are described in detail, and embodiment one, and technical process is: by prescription weighing, PVCSG one 2 types: 55.5kg; DOP:15kg; GZ:10kg; P83:1kg; CPE:3kg; ACR one 401:2.5kg; XT:0.5kg; DOTTG:2kg; Aluminate coupling agent: 0.5kg; Superfine active CaCO
3: 10kg; Drop in the high-speed mixer, rely on friction to make it be warming up to 110～120 ℃, mediate discharging at a high speed and stir to low speed is cold; discharging after being cooled to 45 ℃, standby. start dual-screw pelletizer, be warming up to 160～180 ℃; the above-mentioned powder that mixes is joined granulation in the tablets press, standby.The drip irrigation zone main frame is warming up to 160～195 ℃, adds the above-mentioned pellet of making, filter extrusion moulding, make polyvinyl chloride (PVC) drip irrigation zone through plasticizing.Present embodiment is specially adapted to the use of watering of indoor booth vegetable and indoor plant garden.
Embodiment two, and technical process is: by prescription weighing, PVCSG one 3 types: 58.9kg; DOP:15kg; GZ:5kg; P83:0.5kg; Carbon black: 0.5kg; CPE:5kg; ACR one 401:2kg; DOTTG:2.5kg; Aluminate coupling agent: 0.6kg; Lightweight CaCO
3: 10kg; Drop in the high-speed mixer, rely on friction to make it be warming up to 110～120 ℃, mediate discharging at a high speed and stir to low speed is cold; discharging after being cooled to 45 ℃, standby. start dual-screw pelletizer, be warming up to 160～180 ℃; the above-mentioned powder that mixes is joined granulation in the tablets press, standby.The drip irrigation zone main frame is warming up to 160～195 ℃, adds the above-mentioned pellet of making, filter extrusion moulding, make polyvinyl chloride (PVC) drip irrigation zone through plasticizing.
Embodiment three, and technical process is: PVCSG one 3 types: 56.8kg; DOP:20kg; GZ:5kg; Stearic acid: 1kg; XT:0.5kg; Carbon black: 1kg; EVA:4kg; ACR one 401:3kg; DBTI:1.5kg; Titanate coupling agent: 0.8kg; Drop in the high-speed mixer, rely on friction to make it be warming up to 110～120 ℃, mediate discharging at a high speed and stir to low speed is cold; discharging after being cooled to 45 ℃, standby. start dual-screw pelletizer, be warming up to 160～180 ℃; the above-mentioned powder that mixes is joined granulation in the tablets press, standby.The drip irrigation zone main frame is warming up to 160～195 ℃, adds the above-mentioned pellet of making, filter extrusion moulding, make polyvinyl chloride (PVC) drip irrigation zone through plasticizing.
Embodiment four, and technical process is: PVCSG one 4 types: 56.5kg; DOP:15kg; GZ:15kg; Carbon black: 1.5kg; MBS:4kg; ACR one 401:1kg; XT:0.5kg; DBTM:1kg; Titanate coupling agent: 0.4kg; Nanometer CaCO
35kg; Drop in the high-speed mixer, rely on friction to make it be warming up to 110～120 ℃, mediate discharging at a high speed and stir to low speed is cold; discharging after being cooled to 45 ℃, standby. start dual-screw pelletizer, be warming up to 160～180 ℃; the above-mentioned powder that mixes is joined granulation in the tablets press, standby.The drip irrigation zone main frame is warming up to 160～195 ℃, adds the above-mentioned pellet of making, filter extrusion moulding, make polyvinyl chloride (PVC) drip irrigation zone through plasticizing.
Embodiment five, and technical process is: PVCSG one 4 types: 58.7kg; DOP:25kg; P83:2kg; Carbon black: 2kg; CPE:4kg; ACR one 401:0.5kg; XT:0.7kg; DBTL:2kg; Titanate coupling agent: 0.1kg; Nanometer CaCO
35kg; Drop in the high-speed mixer, rely on friction to make it be warming up to 110～120 ℃, mediate discharging at a high speed and stir to low speed is cold; discharging after being cooled to 45 ℃, standby. start dual-screw pelletizer, be warming up to 160～180 ℃; the above-mentioned powder that mixes is joined granulation in the tablets press, standby.The drip irrigation zone main frame is warming up to 160～195 ℃, adds the above-mentioned pellet of making, filter extrusion moulding, make polyvinyl chloride (PVC) drip irrigation zone through plasticizing.
Claims (10)
1, a kind of modified polychloroethylene drip irrigation tape, it is characterized in that: the prescription of this product is carbon black 0.6-1.8%, softening agent 15-35%, polymeric plasticizer (GZ) 5-10%, anti-impact modifier 1.5-4.5%, lubricant 0.5-2%, processing aid 0.3-3%, thermo-stabilizer 0.5-2%, lime carbonate (CaCO
3) 10-25%, coupling agent 0.3-1%, polyvinyl chloride 55-65%.
2, modified polychloroethylene drip irrigation tape as claimed in claim 1 is characterized in that: said carbon black comprises middle colour carbon black, ordinary carbon black pigment.
3, modified polychloroethylene drip irrigation tape as claimed in claim 1 is characterized in that: said polyvinyl chloride comprises PVC-SG2 type, PVC-SG3 type, PVC-SG4 type, PVC-SG5 type.
4, modified polychloroethylene drip irrigation tape as claimed in claim 1 is characterized in that: said softening agent comprises dibutyl phthalate (DBP), dioctyl sebacate (DOS).
5, modified polychloroethylene drip irrigation tape as claimed in claim 1 is characterized in that: said lubricant comprises that compounded lubricant is stearic acid, calcium stearate, clorafin or oxidized polyethlene wax (OPE).
6, modified polychloroethylene drip irrigation tape as claimed in claim 1 is characterized in that: said anti-impact modifier comprises ABS resin, CPE resin, EVA, P83.
7, modified polychloroethylene drip irrigation tape as claimed in claim 1 is characterized in that: said processing aid comprises acrylics, cinnamic multipolymer.
8, modified polychloroethylene drip irrigation tape as claimed in claim 1 is characterized in that: said thermo-stabilizer comprises Bis(lauroyloxy)dioctyltin (DOTL), dimethyl dimercapto 2-ethyl hexyl ethanoate tin (DMTFG), di-n-butyltin dilaurate (DBTL), toxilic acid di-n-butyl tin (DBTM), rare-earth stabilizer (XT).
9, modified polychloroethylene drip irrigation tape as claimed in claim 1 is characterized in that: said coupling agent comprises aluminate coupling agent, titanate coupling agent, silane coupling agent.
10, modified polychloroethylene drip irrigation tape as claimed in claim 1 is characterized in that: said lime carbonate (CaCO
3) comprise nanometer CaCO
3, superfine active CaCO
3, lightweight CaCO
3, heavy CaCO
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102298560A CN101434733A (en) | 2008-12-17 | 2008-12-17 | Modified polychloroethylene drip irrigation tape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102298560A CN101434733A (en) | 2008-12-17 | 2008-12-17 | Modified polychloroethylene drip irrigation tape |
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| Publication Number | Publication Date |
|---|---|
| CN101434733A true CN101434733A (en) | 2009-05-20 |
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ID=40709377
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102298560A Pending CN101434733A (en) | 2008-12-17 | 2008-12-17 | Modified polychloroethylene drip irrigation tape |
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| CN (1) | CN101434733A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336979A (en) * | 2011-05-27 | 2012-02-01 | 邓忠权 | Processing modifier for polyvinyl chloride water supply pipeline |
| CN102336983A (en) * | 2011-05-27 | 2012-02-01 | 湖北众联塑业有限公司 | Processing modifier for polyvinyl chloride waterproof coiled material |
| CN102336981A (en) * | 2011-05-27 | 2012-02-01 | 湖北众联塑业有限公司 | Processing modifier for polyvinyl chloride plastic-wood material |
| CN102336980A (en) * | 2011-05-27 | 2012-02-01 | 湖北众联塑业有限公司 | Processing modifier for polyvinyl chloride cable material |
| CN103665958A (en) * | 2013-11-08 | 2014-03-26 | 铜陵市镜铁粉厂 | Preparation method of iron oxide blue for rubber |
| CN104194211A (en) * | 2014-08-06 | 2014-12-10 | 郭良来 | PVC wrapping film |
| CN105906987A (en) * | 2016-06-27 | 2016-08-31 | 江苏金材科技有限公司 | Environment-friendly PVC drip irrigation pipe and preparation method thereof |
| CN106171845A (en) * | 2016-07-18 | 2016-12-07 | 张日龙 | A kind of drip irrigation appliance in gardens |
| CN107367490A (en) * | 2016-05-12 | 2017-11-21 | 鞍钢股份有限公司 | Grinding-aid additive for analyzing and sample preparation by X-ray fluorescence spectrometry and using method |
-
2008
- 2008-12-17 CN CNA2008102298560A patent/CN101434733A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336979A (en) * | 2011-05-27 | 2012-02-01 | 邓忠权 | Processing modifier for polyvinyl chloride water supply pipeline |
| CN102336983A (en) * | 2011-05-27 | 2012-02-01 | 湖北众联塑业有限公司 | Processing modifier for polyvinyl chloride waterproof coiled material |
| CN102336981A (en) * | 2011-05-27 | 2012-02-01 | 湖北众联塑业有限公司 | Processing modifier for polyvinyl chloride plastic-wood material |
| CN102336980A (en) * | 2011-05-27 | 2012-02-01 | 湖北众联塑业有限公司 | Processing modifier for polyvinyl chloride cable material |
| CN103665958A (en) * | 2013-11-08 | 2014-03-26 | 铜陵市镜铁粉厂 | Preparation method of iron oxide blue for rubber |
| CN104194211A (en) * | 2014-08-06 | 2014-12-10 | 郭良来 | PVC wrapping film |
| CN107367490A (en) * | 2016-05-12 | 2017-11-21 | 鞍钢股份有限公司 | Grinding-aid additive for analyzing and sample preparation by X-ray fluorescence spectrometry and using method |
| CN105906987A (en) * | 2016-06-27 | 2016-08-31 | 江苏金材科技有限公司 | Environment-friendly PVC drip irrigation pipe and preparation method thereof |
| CN106171845A (en) * | 2016-07-18 | 2016-12-07 | 张日龙 | A kind of drip irrigation appliance in gardens |
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Open date: 20090520 |