CN101914252A - Low-cost environment-friendly injection-molding high heat-resistant high impact-resistant rigid polyvinyl chloride composite and preparation method thereof - Google Patents

Low-cost environment-friendly injection-molding high heat-resistant high impact-resistant rigid polyvinyl chloride composite and preparation method thereof Download PDF

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Publication number
CN101914252A
CN101914252A CN2010102625998A CN201010262599A CN101914252A CN 101914252 A CN101914252 A CN 101914252A CN 2010102625998 A CN2010102625998 A CN 2010102625998A CN 201010262599 A CN201010262599 A CN 201010262599A CN 101914252 A CN101914252 A CN 101914252A
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polyvinyl chloride
resistant
low
weight part
high heat
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CN101914252B (en
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都佩华
陈韶辉
宋义虎
郑强
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Zhejiang University ZJU
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Zhejiang University ZJU
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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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • 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
    • 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
    • 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
    • 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
    • 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a low-cost environment-friendly injection-molding high heat-resistant high impact-resistant rigid polyvinyl chloride composite and a preparation method thereof. The composite is prepared from the following raw materials in part by weight: 100 parts of medium-low polymerization degree polyvinyl chloride, 10 to 100 parts of high polymerization degree polyvinyl chloride, 4 to 100 parts of impact-resistant modifier, 5 to 50 parts of nano rigid particle, 1 to 5 parts of lanthanum tin compound stabilizer, 1 to 3 parts of acrylate processing aid, 1 to 10 parts of internal lubricant and 0.3 to 2 parts of external lubricant. The low-cost environment-friendly injection-molding high heat-resistant high impact-resistant rigid polyvinyl chloride composite is prepared by the steps of: performing mechanochemistry treatment on the polyvinyl chloride and the aid in a high-speed mixer through new technology; and pelleting by using a cone-shaped double-screw extruder. The compatibility between the polyvinyl chloride and the aid is improved through the new technology, the problem that the conventional nano particles easily agglomerate and have poor compatibility between a heat-resistant modifier and a substrate so as to reduce the mechanical property is solved, and the product has the advantages of high heat resistance, high toughness and good comprehensive mechanical property.

Description

The high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding and preparation method
Technical field
The present invention relates to a kind of high heat-resistant high impact-resistant rigid polyvinyl chloride composite and preparation method of low-cost environment-friendly injection-molding.
Background technology
Polyvinyl chloride is one of general-purpose plastics of using always, has that price is low, fire-retardant, chemical proofing is high, physical strength and advantages such as electrical insulating property is good, starting material wide material sources.Also have simultaneously some shortcomings, yet as, thermal stability of polyethylene is poor, poor toughness, poor heat stability, processing difficulties etc.55 ℃ of the heat-drawn wire deficiencies of common polyvinyl chloride injection-molded item, vicat softening temperature point only have only about 75 ℃ approximately, and the normal temperature notched Izod impact strength is lower than 4KkJ/m 2, this has limited its application to a great extent.
Plastics composite is to utilize the method for modifying of physical blending or chemical graft and a class novel material of the class high performance that obtains, functionalization, customizations.The plastics composite product can, be widely used in fields such as automobile, electronics, precision instrument, office equipment, wrapping material, material of construction.It can improve or improve the performance of existing plastics and reduce cost, and has become one of kind the most active in the plastics industry, increases very rapid.On September 16th, 2009, disclosed Chinese patent CN101531793A disclosed " heat-resistant polyvinyl chloride alloy material and preparation method thereof ", this alloy is made up of polyvinyl chloride matrix, heat-proof modifier, thermo-stabilizer, lubricant, filler, impact modifier and processing aid, this alloy has improved the consistency of polyvinyl chloride and heat stable resin, solved thermal stability of polyethylene can raising and intensity and flexible contradiction, prepared the polyvinyl chloride engineering plastics of high heat-resisting, high strength and high tenacity.On October 30th, 1996, disclosed Chinese patent CN1134436 disclosed " improving the method for thermal stability of polyethylene ", made thermoplastic compounds based on polyvinyl chloride, its thermotolerance height has mechanical property preferably simultaneously, particularly shock resistance height, good with ageing-resistant performance.On August 10th, 2005, disclosed Chinese patent CN1651505A disclosed a kind of heat-resisting smoke-inhibiting PVC composition and preparation method thereof, said composition adopts polynary compounding technology to improve the heat-resisting and toughness defect of insufficient of polyvinyl chloride, have heat-resisting, fire-retardant, press down cigarette, multiple excellent properties such as weather-proof.Existing research as seen, adopting blend to make the method polyvinyl chloride composite is to improve thermal stability of polyethylene, succinct valid approach of flexible.Yet existing heat resistance modified technology adopts the method for a large amount of heat-proof modifiers of blend more, and the affiliation that adds of heat-proof modifier raises the cost; Simultaneously, because heat-proof modifier is often relatively poor with the system consistency, can cause the processing characteristics and the mechanical properties decrease of system.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of high heat-resistant high impact-resistant rigid polyvinyl chloride composite and preparation method of low-cost environment-friendly injection-molding is provided.But this mixture injection moulding obtains low-cost, high heat-resisting, high tenacity, good, the eco-friendly polyvinyl chloride nano composite product of comprehensive mechanical property.
The raw material of the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding consists of: middle polyvinyl-chloride of low-polymerization degree 100 weight parts, polychloroethylene with high polymerization degree 10-100 weight part, impact modifier 4-100 weight part, nano redigity particle 5-50 weight part, lanthanum tin one package stabilizer 1-5 weight part, acrylics processing aid 1-3 weight part, internal lubricant 1-10 weight part, external lubricant 0.3-2 weight part.
Described impact modifier is selected from acrylonitrile-butadiene-styrene terpolymer, methyl methacrylate-butadiene-styrene terpolymer or chlorinatedpolyethylene.Described nano redigity particle is nano-calcium carbonate or nano silicon, and particle diameter is the 30-200 nanometer.The polymerization degree of polyvinyl-chloride of low-polymerization degree is 700-1300 in described.The polymerization degree of described polychloroethylene with high polymerization degree is 1300-3000.Described lanthanum tin one package stabilizer is the mixture of stearic acid lanthanum and methyl mercaptan organotin, and the weight ratio of stearic acid lanthanum and methyl mercaptan organotin is 8: 2-4: 6.Described internal lubricant is glyceryl monostearate, stearic acid or calcium stearate.Described external lubricant is oxidized polyethlene wax or paraffin.
The preparation method of the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding may further comprise the steps:
1) 4-100 weight part impact modifier and 5-50 weight part nano redigity particle are added high-speed mixer and mix, the discharging cooling obtains impact modifier/nano redigity particle mixture;
2) polyvinyl-chloride of low-polymerization degree, 10-100 weight part polychloroethylene with high polymerization degree, 1-5 weight part lanthanum tin one package stabilizer in 100 weight parts are added in the high-speed mixer, be mixed to 50-60 ℃, add 1-3 parts by weight of acrylic acid lipid processing aid, 1-10 weight part internal lubricant successively, be mixed to 70-80 ℃, add 0.3-2 weight part external lubricant, be mixed to 90-100 ℃, add 9-150 weight part impact modifier/nano redigity particle mixture, be mixed to 110-120 ℃, the discharging cooling obtains polyvinyl chloride composite;
3) polyvinyl chloride composite is added conical double screw extruder, under a district temperature 150-170 ℃, two district temperature 150-180 ℃, three district temperature 150-185 ℃, four district temperature 140-180 ℃, screw speed 4-30 rev/min, reinforced rotating speed 5-30 rev/min condition, melt extrude, pelletizing obtains the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding.
The rotating speed of described high-speed mixer is: 900-1100 rev/min.
The present invention compared with prior art, the beneficial effect that has:
1) by new complete processing polyvinyl chloride and auxiliary agent are carried out the power chemical treatment, strengthened the dispersion of nano redigity particle in polyvinyl chloride composite, improved the consistency of polyvinyl chloride and auxiliary agent;
2) adopt polychloroethylene with high polymerization degree and polyvinyl-chloride of low-polymerization degree blend, can improve the thermotolerance of common low polymerization degree injection grade polyvinyl chloride, mechanical property is low-temperature flexibility especially, the problem that overcome that the cost that adds heat-proof modifier in the past and caused improves,, mechanical property poor with polyvinyl chloride matrix consistency and processing characteristics descends:
3) adopt lanthanum tin one package stabilizer to improve thermal stability of polyvinyl chloride.This stablizer excellent heat stability, environment-protecting asepsis, and can improve the polyvinyl chloride processing fluidity, significantly reduce cost;
4) adopt impact modifier and nano redigity particle coordination plasticizing and improve thermotolerance, erosion-resisting characteristics is higher than existing products in markets, and good heat resistance, excellent combination property;
5) this mixture plasticizer-containing is not controlled the processing fluidity of mixture by the internal lubricant consumption, has overcome the shortcoming of the easy migration of adding softening agent in the past and being brought.
Embodiment
Specify the present invention below in conjunction with embodiment:
Embodiment 1
The nano-calcium carbonate of 30 weight part coupling agent treatment is mixed for strange U.S. 766 acrylonitrile-butadiene-styrene terpolymer adds high-speed mixer with the 100 weight part trades mark, the discharging cooling obtains nano-calcium carbonate/acrylonitrile-butadiene-styrene terpolymer mixture; It with the 100 weight part polymerization degree 1000 polyvinyl chloride, the 10 weight part polymerization degree are 2500 polyvinyl chloride, 2 weight part stearic acid lanthanums and methyl mercaptan organotin weight ratio are that 6: 4 lanthanum tin one package stabilizer adds in the high-speed mixer, be mixed to 60 ℃, add 3 parts by weight of acrylic acid lipid processing aids successively, 1 weight part glyceryl monostearate, be mixed to 80 ℃, add 0.5 weight part oxidized polyethlene wax, be mixed to 90 ℃, add nano-calcium carbonate/acrylonitrile-butadiene-styrene terpolymer mixture, be mixed to 120 ℃ of discharging coolings, obtain polyvinyl chloride nano compound; Polyvinyl chloride nano compound is added conical double screw extruder, under the condition of 165 ℃ of district's temperature, 175 ℃ of two district's temperature, 178 ℃ of three district's temperature, 170 ℃ of four district's temperature, 4 rev/mins of screw speeds, 10 rev/mins of reinforced rotating speeds, melt extrude, pelletizing obtains the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding.
Embodiment 2
The nano silicon of 5 weight part coupling agent treatment is mixed for strange U.S. 757 acrylonitrile-butadiene-styrene terpolymer adds high-speed mixer with the 100 weight part trades mark, the discharging cooling obtains nano silicon/acrylonitrile-butadiene-styrene terpolymer mixture; It with the 100 weight part polymerization degree 1300 polyvinyl chloride, it with the 10 weight part polymerization degree 3000 polyvinyl chloride, 2 weight part stearic acid lanthanums and methyl mercaptan organotin weight ratio are that 6: 4 lanthanum tin one package stabilizer adds in the high-speed mixer, be mixed to 60 ℃, add 3 parts by weight of acrylic acid lipid processing aids successively, 1 weight part calcium stearate, be mixed to 80 ℃, add 0.5 weight part paraffin, be mixed to 100 ℃, add nano silicon/acrylonitrile-butadiene-styrene terpolymer mixture, be mixed to 120 ℃ of discharging coolings, obtain polyvinyl chloride nano compound; Polyvinyl chloride nano compound is added conical double screw extruder, under the condition of 170 ℃ of district's temperature, 178 ℃ of two district's temperature, 180 ℃ of three district's temperature, 175 ℃ of four district's temperature, 8 rev/mins of screw speeds, 20 rev/mins of reinforced rotating speeds, melt extrude, pelletizing obtains the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding.
Embodiment 3
With the nano-calcium carbonate of 50 weight part coupling agent treatment and the 80 weight part trades mark is that methyl methacrylate-butadiene-styrene terpolymer of TP-802 adds high-speed mixer and mixes, the discharging cooling obtains nano-calcium carbonate/methyl methacrylate-butadiene-styrene terpolymer mixture; It with the 100 weight part polymerization degree 700 polyvinyl chloride, the 10 weight part polymerization degree are 3000 polyvinyl chloride, 2 weight part stearic acid lanthanums and methyl mercaptan organotin weight ratio are that 6: 4 lanthanum tin one package stabilizer adds in the high-speed mixer, be mixed to 60 ℃, add 3 parts by weight of acrylic acid lipid processing aids successively, 3 weight part stearic acid, be mixed to 80 ℃, add 0.5 weight part paraffin, be mixed to 100 ℃, add nano-calcium carbonate/methyl methacrylate-butadiene-styrene terpolymer mixture, be mixed to 120 ℃ of discharging coolings, obtain polyvinyl chloride nano compound; Polyvinyl chloride nano compound is added conical double screw extruder, under the condition of 170 ℃ of district's temperature, 178 ℃ of two district's temperature, 180 ℃ of three district's temperature, 175 ℃ of four district's temperature, 8 rev/mins of screw speeds, 20 rev/mins of reinforced rotating speeds, melt extrude, pelletizing obtains the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding.
Embodiment 4
With the 20 weight part coupling agent treatment nano silicons and the 100 weight part trades mark is that the methyl methacrylate-butadiene-styrene terpolymer of TH-11 adds high-speed mixer and mixes, the discharging cooling obtains nano silicon/methyl methacrylate-butadiene-styrene terpolymer mixture; With the 100 weight part polymerization degree is that 1800 polyvinyl chloride, 2 weight part stearic acid lanthanums and methyl mercaptan organotin weight ratio are that 7: 3 lanthanum tin one package stabilizer adds in the high-speed mixer, be mixed to 60 ℃, add 3 parts by weight of acrylic acid lipid processing aids, 10 weight part glyceryl monostearates successively, be mixed to 80 ℃, add 0.5 weight part oxidized polyethlene wax, be mixed to 100 ℃, add nano silicon/methyl methacrylate-butadiene-styrene terpolymer mixture, be mixed to 120 ℃ of discharging coolings, obtain polyvinyl chloride nano compound; Polyvinyl chloride nano compound is added conical double screw extruder, under the condition of 160 ℃ of district's temperature, 168 ℃ of two district's temperature, 172 ℃ of three district's temperature, 167 ℃ of four district's temperature, 4 rev/mins of screw speeds, 10 rev/mins of reinforced rotating speeds, melt extrude, pelletizing obtains the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding.
Embodiment 5
With the 10 weight part coupling agent treatment nano-calcium carbonates and the 80 weight part trades mark is that the methyl methacrylate-butadiene-styrene terpolymer of TH-11 adds high-speed mixer and mixes, the discharging cooling obtains nano-calcium carbonate/methyl methacrylate-butadiene-styrene terpolymer mixture; With the 100 weight part polymerization degree is that 1000 polyvinyl chloride, the 100 weight part polymerization degree are that 1800 polyvinyl chloride, 2 weight part stearic acid lanthanums and methyl mercaptan organotin weight ratio are that 8: 2 lanthanum tin one package stabilizer adds in the high-speed mixer, be mixed to 60 ℃, add 1 parts by weight of acrylic acid lipid processing aid, 1 weight part glyceryl monostearate successively, be mixed to 80 ℃, add 0.5 weight part oxidized polyethlene wax, be mixed to 100 ℃, add nano-calcium carbonate/chlorinated polyvinyl chloride mixture, be mixed to 120 ℃ of discharging coolings, obtain polyvinyl chloride nano compound; Polyvinyl chloride nano compound is added conical double screw extruder, under the condition of 156 ℃ of district's temperature, 168 ℃ of two district's temperature, 170 ℃ of three district's temperature, 167 ℃ of four district's temperature, 4 rev/mins of screw speeds, 10 rev/mins of reinforced rotating speeds, melt extrude, pelletizing obtains the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding.
Below be the performance synopsis of embodiment provided by the invention:
Figure BSA00000243080200051

Claims (10)

1. the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of a low-cost environment-friendly injection-molding is characterized in that its raw material consists of: middle polyvinyl-chloride of low-polymerization degree 100 weight parts, polychloroethylene with high polymerization degree 10-100 weight part, impact modifier 4-100 weight part, nano redigity particle 5-50 weight part, lanthanum tin one package stabilizer 1-5 weight part, acrylics processing aid 1-3 weight part, internal lubricant 1-10 weight part, external lubricant 0.3-2 weight part.
2. the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of a kind of low-cost environment-friendly injection-molding according to claim 1 is characterized in that described impact modifier is selected from acrylonitrile-butadiene-styrene terpolymer, methyl methacrylate-butadiene-styrene terpolymer or chlorinatedpolyethylene.
3. the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of a kind of low-cost environment-friendly injection-molding according to claim 1 is characterized in that described nano redigity particle is nano-calcium carbonate or nano silicon, and particle diameter is the 30-200 nanometer.
4. the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of a kind of low-cost environment-friendly injection-molding according to claim 1 is characterized in that the polymerization degree of described middle polyvinyl-chloride of low-polymerization degree is 700-1300.
5. the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of a kind of low-cost environment-friendly injection-molding according to claim 1, the polymerization degree that it is characterized in that described polychloroethylene with high polymerization degree is 1300-3000.
6. the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of a kind of low-cost environment-friendly injection-molding according to claim 1, it is characterized in that described lanthanum tin one package stabilizer is the mixture of stearic acid lanthanum and methyl mercaptan organotin, the weight ratio of stearic acid lanthanum and methyl mercaptan organotin is 8: 2-4: 6.
7. the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of a kind of low-cost environment-friendly injection-molding according to claim 1 is characterized in that described internal lubricant is glyceryl monostearate, stearic acid or calcium stearate.
8. the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of a kind of low-cost environment-friendly injection-molding according to claim 1 is characterized in that described external lubricant is oxidized polyethlene wax or paraffin.
9. the preparation method of the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of a low-cost environment-friendly injection-molding as claimed in claim 1 is characterized in that may further comprise the steps:
1) 4-100 weight part impact modifier and 5-50 weight part nano redigity particle are added high-speed mixer and mix, the discharging cooling obtains impact modifier/nano redigity particle mixture;
2) polyvinyl-chloride of low-polymerization degree, 10-100 weight part polychloroethylene with high polymerization degree, 1-5 weight part lanthanum tin one package stabilizer in 100 weight parts are added in the high-speed mixer, be mixed to 50-60 ℃, add 1-3 parts by weight of acrylic acid lipid processing aid, 1-10 weight part internal lubricant successively, be mixed to 70-80 ℃, add 0.3-2 weight part external lubricant, be mixed to 90-100 ℃, add 9-150 weight part impact modifier/nano redigity particle mixture, be mixed to 110-120 ℃, the discharging cooling obtains polyvinyl chloride composite;
3) polyvinyl chloride composite is added conical double screw extruder, under a district temperature 150-170 ℃, two district temperature 150-180 ℃, three district temperature 150-185 ℃, four district temperature 140-180 ℃, screw speed 4-30 rev/min, reinforced rotating speed 5-30 rev/min condition, melt extrude, pelletizing obtains the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of low-cost environment-friendly injection-molding.
10. according to the preparation method of the high heat-resistant high impact-resistant rigid polyvinyl chloride composite of the described a kind of low-cost environment-friendly injection-molding of claim 9, it is characterized in that the rotating speed of described high-speed mixer is: 900-1100 rev/min.
CN2010102625998A 2010-08-20 2010-08-20 Low-cost environment-friendly injection-molding high heat-resistant high impact-resistant rigid polyvinyl chloride composite and preparation method thereof Expired - Fee Related CN101914252B (en)

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CN104650501A (en) * 2015-02-09 2015-05-27 杭州波达塑料科技股份有限公司 High-temperature-resistant high-toughness PVC-U (unplasticized polyvinyl chloride) double-wall corrugated pipe and preparation method thereof
CN105038036A (en) * 2015-08-26 2015-11-11 安徽永高塑业发展有限公司 Impact-resistant and press-resistant biaxial orientation polyvinyl chloride pipe for water supply
CN105061926A (en) * 2015-07-31 2015-11-18 浙江华丰管业有限公司 Preparation method of high strength, high toughness and heat conducting polyvinyl chloride pipe and product
CN105906981A (en) * 2016-06-12 2016-08-31 开平市宝来塑胶制品有限公司 High-temperature-resistant PVC enhanced hose and preparation method thereof
CN105924846A (en) * 2016-06-12 2016-09-07 开平市宝来塑胶制品有限公司 Matte, high-elasticity and low-temperature-resistant PVC hose and preparation method thereof
CN108822271A (en) * 2018-05-09 2018-11-16 佛山顾地塑胶有限公司 A kind of preparation method of ultra-tough rigid polyvinyl chloride tubing mixed ingredients

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CN102181105A (en) * 2011-01-27 2011-09-14 江阴海达橡塑股份有限公司 Method for preparing hard polyvinyl chloride (PVC) injection molding particles
CN102827433A (en) * 2012-07-10 2012-12-19 苏州宝津塑业有限公司 Novel PVC (poly vinyl chloride)/CaCO3 composite material
CN102911449A (en) * 2012-07-10 2013-02-06 苏州宝津塑业有限公司 Novel complex calcium PVC (polyvinyl chloride) composite material
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CN104312047A (en) * 2014-10-31 2015-01-28 陕西煤业化工技术研究院有限责任公司 Heat-resistant and impact-resistant polyvinyl chloride and poly-1-butene compound and preparation method thereof
CN104312047B (en) * 2014-10-31 2016-08-31 陕西煤业化工技术研究院有限责任公司 A kind of heat-proof impact-resistant polrvinyl chloride-poly 1-butene complex and preparation method thereof
CN104650501A (en) * 2015-02-09 2015-05-27 杭州波达塑料科技股份有限公司 High-temperature-resistant high-toughness PVC-U (unplasticized polyvinyl chloride) double-wall corrugated pipe and preparation method thereof
CN105061926A (en) * 2015-07-31 2015-11-18 浙江华丰管业有限公司 Preparation method of high strength, high toughness and heat conducting polyvinyl chloride pipe and product
CN105038036A (en) * 2015-08-26 2015-11-11 安徽永高塑业发展有限公司 Impact-resistant and press-resistant biaxial orientation polyvinyl chloride pipe for water supply
CN105906981A (en) * 2016-06-12 2016-08-31 开平市宝来塑胶制品有限公司 High-temperature-resistant PVC enhanced hose and preparation method thereof
CN105924846A (en) * 2016-06-12 2016-09-07 开平市宝来塑胶制品有限公司 Matte, high-elasticity and low-temperature-resistant PVC hose and preparation method thereof
CN108822271A (en) * 2018-05-09 2018-11-16 佛山顾地塑胶有限公司 A kind of preparation method of ultra-tough rigid polyvinyl chloride tubing mixed ingredients
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