CN101012324A - Nano modified plastic composite material, preparing method thereof and special-purpose apparatus - Google Patents

Nano modified plastic composite material, preparing method thereof and special-purpose apparatus Download PDF

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CN101012324A
CN101012324A CN 200710017291 CN200710017291A CN101012324A CN 101012324 A CN101012324 A CN 101012324A CN 200710017291 CN200710017291 CN 200710017291 CN 200710017291 A CN200710017291 A CN 200710017291A CN 101012324 A CN101012324 A CN 101012324A
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inorganic filler
agent
temperature
nanoscale inorganic
composite material
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CN 200710017291
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Chinese (zh)
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马世鹏
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宝鸡市云鹏塑料科技有限公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C47/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C47/08Component parts, details or accessories; Auxiliary operations
    • B29C47/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C47/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C47/0009Extrusion 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 articles
    • B29C47/0011Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C47/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C47/08Component parts, details or accessories; Auxiliary operations
    • B29C47/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C47/38Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel
    • B29C47/40Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel using at least two parallel intermeshing screws or at least two parallel non-intermeshing screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C47/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C47/08Component parts, details or accessories; Auxiliary operations
    • B29C47/78Heating or cooling the material to be extruded or the stream of extruded material or of a preformed part
    • B29C47/88Heating or cooling the stream of extruded material
    • B29C47/8885Heating or cooling the stream of extruded material characterized by differential heating or cooling
    • B29C47/889Heating or cooling the stream of extruded material characterized by differential heating or cooling in the direction of the stream of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C47/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C47/08Component parts, details or accessories; Auxiliary operations
    • B29C47/94Lubricating, e.g. adding lubrication to the melt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2947/00Indexing scheme relating to extrusion moulding
    • B29C2947/92Measuring, controlling or regulating
    • B29C2947/92504Controlled parameter
    • B29C2947/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2947/00Indexing scheme relating to extrusion moulding
    • B29C2947/92Measuring, controlling or regulating
    • B29C2947/92819Location or phase of control
    • B29C2947/92857Extrusion unit
    • B29C2947/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2947/92895Barrel or housing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2947/00Indexing scheme relating to extrusion moulding
    • B29C2947/92Measuring, controlling or regulating
    • B29C2947/92819Location or phase of control
    • B29C2947/92857Extrusion unit
    • B29C2947/92904Die; Nozzle zone

Abstract

The invention discloses a nanometer-grade modified plastic composite material, which comprises the follwoig parts: 30- 78% inorganic nanometer fill, 10-50% carrier, 3-5% dispersant, 3-5% lubricant, 2-5% flexibilizer, 2-5% coupler and 2-5% depolymerizing agent, wherein each material is poured into high-speed pincher to kneader at 500-2500r/min for 5-20 min; the double-screw plastic squeezer grains from graining hole; the heating temperature is divided into four segments at 160 deg.c, 180 deg.c, 200 deg.c and 220 deg.c; the grain diameter is 3mm and height is 3mm, which is cut by wind cool mould.

Description

一种纳米改性塑料复合材料及其制备方法和专用装置 A nano-modified plastics composite material and its preparation method and special device

技术领域 FIELD

本发明属于高分材料技术领域,具体涉及一种纳米改性塑料复合材料及其制备方法和专用装置。 The present invention belongs to the field of high technology materials, in particular to a nano-modified plastic composite material and its preparation method and special apparatus.

背景技术 Background technique

目前已有在实验室或工业化生产的纳米级填料产品(颗粒尺寸小于100nm)生产改性塑料复合材料,但是,由于团聚的原因,这些纳米填料在储存和运输过程中,已变成200、300、400、500nm等更大颗粒的,不再是纳米填料了,其原因是由于纳米颗粒异常活跃,其个体间的相互作用也非常强,时常会使数个颗粒聚合在一起,而形成了更大的(团聚)颗粒。 At present, in the laboratory or industrial production of nanoscale filler product (particle size less than 100nm) production of the modified plastic composite, however, due to agglomeration of these nano fillers and during storage and transportation, it has become 200, 300 , larger particles 400,500nm the like, is no longer nanofillers, and the reason is because the nanoparticles are extremely active in the interaction between individuals which are very strong, often several particles will fuse together to form a more large (reunion) particles. 这种现象会极大地削减了纳米材料添加于复合材料中时应发挥的功效。 This phenomenon is greatly reduced nanomaterials should be added to the composite efficacy of play. 因此,如何将“团聚”化的纳米颗粒再分散在其它粉体或粒料中是个技术难题。 Therefore, how to "agglomerate" nanoparticles were redispersed in a powder or pellets are other technical problems. 为了确保这些纳米填料具有储存稳定性就需要对纳米颗粒表面再次进行处理。 To ensure that these nanofillers need to have storage stability for the surface of nanoparticles is processed again. 常用的方法为,①表面静电消除处理,②表面活性处理。 It is a commonly used method, ① surface static elimination treatment, ② a surfactant treatment. 上述存在的缺陷是处理费用高,不经济,工艺复杂等。 The above-mentioned defects are present in high processing costs, uneconomic, complex process and so on.

发明内容 SUMMARY

针对上述现有技术中存在的问题与不足,本发明的目的是一种稳定性好、降低“团聚”现象的纳米级无机填料改性塑料复合材料。 For the above-described prior art problems and shortcomings, the present invention is good in stability, reducing "agglomeration" phenomenon nanoscale inorganic filler modified plastics composites.

本发明的另一目的是提供制备改性塑料复合材料的方法。 Another object of the present invention to provide a preparation method of a modified plastic composite.

本发明的再一目的是提供制备改性塑料复合材料方法使用的专用装置。 A further object of the present invention is to provide a dedicated device for preparing modified plastic composites used method.

实现上述发明目的的技术方案是这样解决的:一种纳米级无机填料改性塑料复合材料,由纳米级无机填料30~78%、载体10~50%、分散剂3~5%、润滑剂3~5%、增韧剂2~5%、偶联剂2~5%、解聚剂2~5%组成;所述的纳米级无机填料是碳酸钙、滑石粉、高岭土、云母粉、硅灰石、硅藻土、氧化锌、氧化铝、氧化镁、硫酸钡、硫酸铬、硫酸钙,其组分可以是其中一种或者其中的两种或两种以上的混合物,所述的载体是聚乙烯、聚丙烯中的任一种;所述的分散剂是聚乙烯蜡、硬脂酸中的任一种;所述的润滑剂是石蜡;所述的增韧剂是二三元乙丙胶、三元乙丙胶中的任一种;所述的偶联剂是硅烷类、钛酸脂类、铝酸酯类、稀土类硅烷类、钛酸酯类中的任一种;所述的解聚剂是酰胺类中的任一种。 Achieve the above object is solved technical solutions: one nanoscale inorganic filler modified plastics composites by 30 ~ 78% nanoscale inorganic fillers, carriers 10 to 50%, 3-5% dispersing agent, lubricant 3 to 5%, 2-5% toughening agent, coupling agent 2-5%, 2-5% depolymerizing agent composition; said nanoscale inorganic filler is calcium carbonate, talc, kaolin, mica, silica fume stone, diatomaceous earth, zinc oxide, aluminum oxide, magnesium oxide, barium sulfate, chromium sulfate, calcium sulfate, which may be a component in which one or two or a mixture of two or more, the carrier is poly ethylene, any one of polypropylene; said dispersant is a polyethylene wax, either stearate; said lubricant is a paraffin wax; the di EPDM toughener any one of EPDM; said coupling agents are silane-based, titanate lipids, esters aluminum, rare earth silanes, titanates any one of; the depolymerizing agent is any one of amides.

本发明的另一目的是提供制备纳米级无机填料改性塑料复合材料方法,包括下列步骤:1)按配方比例称取纳米级无机填料、载体、分散剂、润滑剂、增韧剂、偶联剂、解聚剂备用;2)将上述各种原料、助剂倒入专用高速捏合机中混合5~20分钟,搅拌速度500~2500转/分,出料温度为50~100℃;3)将从专用高速捏合机中出来的搅拌均匀的混合料在双螺杆塑料挤出机中挤出造粒,挤出机从进料口到造粒,加热温度分为四段,其中进料口处温度为150℃~170℃,中间熔融段温度为170℃~190℃,最后计量段温度为190℃~210℃。 Another object of the present invention to provide a modification of the nanoscale inorganic filler plastic composite material, comprising the steps of: 1) the ratio of weighed according to the formulation nanoscale inorganic fillers, carriers, dispersants, lubricants, toughening agents, coupling agents, spare depolymerizing agent; 2) the above raw materials and additives is poured into a dedicated high speed mixing kneader 5 to 20 minutes, stirring speed of 500 to 2,500 r / min, the feed temperature is 50 ~ 100 ℃; 3) from the dedicated high speed out of the kneader a homogeneous mixture was stirred extrusion granulation in a twin screw extruder, the extruder from the feed port to the granulation, the heating temperature is divided into four sections, wherein the feed port temperature of 150 ℃ ~ 170 ℃, intermediate melting zone temperature of 170 ℃ ~ 190 ℃, the final temperature of the metering section 190 ℃ ~ 210 ℃. 机头处温度为210℃~230℃,机头处进行风冷模面切粒,粒子直径3mm,粒子高度3mm。 At the head temperature is 210 ℃ ~ 230 ℃, air-cooled die face pelletizing head, the particle diameter of 3mm, the particle height 3mm.

本发明的再一目的是提供制备上述纳米级无机填料改性塑料复合材料所使用的专用装置,其本发明的突出进步在于包括一个底座上分别连接有电机、支架、容器,电机通过传动带与搅拌轴相连,搅拌轴上分别安装有相互交错的搅拌叶片,容器一侧的下端设有出料口、上端设有阀门、第一进料口、第二进料口,容器内壁两侧分别设置有至少两个挡板。 A further object of the present invention to provide a preparation of the dedicated apparatus nanoscale inorganic filler modified plastic composite material used, its outstanding progress of the present invention comprises a base respectively connected with a motor, the bracket, the container, the motor via a belt and stirred connected to the shaft, agitator shaft are mounted staggered mixing blades, a lower end side of the container is provided with a discharge opening, an upper end provided with a valve, a first inlet, a second inlet, the inner wall of the container are provided on both sides at least two baffles.

本发明与现有技术相比,本发明的纳米级无机填料改性塑料复合材料具有以下以优点:1)用本发明的方法和设备生产出来的纳米级无机填料改性塑料复合材料能降低了“团聚”现象;2)降低原料成本,提高产品性能;3)本发明的塑料复合材料的用途广,用用于生产塑料薄膜厂、塑料中空桶、塑料管材、塑料板材等产品中。 Compared with the prior art the present invention, nanoscale inorganic filler modified plastics composites according to the present invention has the following advantages in: 1) the method and apparatus of the present invention produced by the modified nanoscale inorganic filler can reduce the plastic composite material "agglomeration" phenomenon; 2) reduce raw material costs, improve product performance; 3) use of wide plastic composite material of the present invention, a plant for the production of plastic film, plastic hollow barrel, plastic tubing, plastic sheets and other products.

本发明综合采用上述方法,比较合理地解决了“团聚”问题,实现了90-95%纳米填料不团聚的目的。 The method of the present invention using a combination of the above, a reasonable solution to the "agglomeration" problems and achieve 90-95% nanofillers not agglomerated purposes.

采用上述方法和设备生产的纳米级无机填料改性塑料复合材料的要技术及性能指标 Nanoscale inorganic filler modified plastics composites above methods and apparatus for the production of technical performance and

附图说明图1为本发明专用装置;图2为纳米“团聚”现象分散前的电镜照片;图3为纳米“团聚”现象分散后的电镜照片。 1 shows a special device of the present invention; FIG. 2 is a nano "agglomeration" phenomenon of an electron micrograph before dispersion; FIG. 3 is a nano "agglomeration" phenomenon after dispersing an electron micrograph.

具体实施方式 detailed description

附图1、附图3为本发明的实施例。 Figure 1, the embodiment of FIG 3 of the present invention.

下面结合实施例及附图对发明内容作进一步说明:实施例1:一种纳米级无机填料改性塑料复合材料,由纳米级无机填料30~78%、载体10~50%、分散剂3~5%、润滑剂3~5%、增韧剂2~5%、偶联剂2~5%、解聚剂2~5%组成;所述的纳米级无机填料是碳酸钙、滑石粉、高岭土、云母粉、硅灰石、硅藻土、氧化锌、氧化铝、氧化镁、硫酸钡、硫酸铬、硫酸钙,其组分可以是其中一种或者其中的两种或两种以上的混合物,所述的载体是聚乙烯、聚丙烯中的任一种;所述的分散剂是聚乙烯蜡、硬脂酸中的任一种;所述的润滑剂是石蜡;所述的增韧剂是二三元乙丙胶、三元乙丙胶中的任一种;所述的偶联剂是硅烷类、钛酸脂类、铝酸酯类、稀土类硅烷类、钛酸酯类中的任一种;所述的解聚剂是酰胺类中的任一种。 The following Examples and drawings in conjunction with embodiments of the invention will be further described SUMMARY: Example 1: A modified nanoscale inorganic filler plastic composite material, the nanoscale inorganic filler of 30 to 78%, 10 to 50% carrier, a dispersing agent 3 ~ 5%, 3-5% lubricant, 2-5% toughening agent, coupling agent 2-5%, 2-5% depolymerizing agent composition; said nanoscale inorganic filler is calcium carbonate, talc, kaolin , mica, wollastonite, diatomaceous earth, zinc oxide, aluminum oxide, magnesium oxide, barium sulfate, chromium sulfate, calcium sulfate, which may be a component in which one or a mixture of two or more, the carrier is any one of polyethylene, polypropylene; dispersing agents are polyethylene wax, either stearate; said lubricant is a paraffin wax; toughening agent is two EPDM rubber, EPDM rubber of any one of; said coupling agents are silanes, lipids titanate, an aluminate-based, rare earth silanes, titanates any one of one kind; the depolymerization agent is any one of amides.

实施例2制备纳米级无机填料改性塑料复合材料方法,包括下列步骤:1)按配方比例称取纳米级无机填料、载体、分散剂、润滑剂、增韧剂、偶联剂、解聚剂备用;2)将上述各种原料、助剂倒入专用高速捏合机中混合5~20分钟,搅拌速度500~2500转/分,出料温度为50~100℃;3)将从专用高速捏合机中出来的搅拌均匀的混合料在双螺杆塑料挤出机中挤出造粒,挤出机从进料口到造粒,加热温度分为四段,其中进料口处温度为150℃~170℃,中间熔融段温度为170℃~190℃,最后计量段温度为190℃~210℃。 Preparation of nanoscale inorganic filler modified plastic composite material the method in Example 2, comprising the following steps: 1) the ratio of weighed according to the formulation nanoscale inorganic fillers, carriers, dispersants, lubricants, toughening agents, coupling agents, depolymerizing agent alternate; 2) the above raw materials and additives is poured into a dedicated high speed mixing kneader 5 to 20 minutes, stirring speed of 500 to 2,500 r / min, the feed temperature is 50 ~ 100 ℃; 3) from the dedicated high-speed kneading stir machine out of mix extruded in a twin-screw extruder granulation, extruding granulation machine from the feed opening, the heating temperature is divided into four sections, wherein the inlet temperature is 150 ℃ ~ 170 ℃, intermediate melting zone temperature of 170 ℃ ~ 190 ℃, the final temperature of the metering section 190 ℃ ~ 210 ℃. 机头处温度为210℃~230℃,机头处进行风冷模面切粒,粒子直径3mm,粒子高度3mm。 At the head temperature is 210 ℃ ~ 230 ℃, air-cooled die face pelletizing head, the particle diameter of 3mm, the particle height 3mm.

实施例3参照图1所示,一种制备权利要求4的纳米级无机填料改性塑料复合材料的方法的专用装置,其底座12上分别连接有电机11、支架10、容器4,电机11通过传动带与搅拌轴7相连,搅拌轴7上分别安装有相互交错的搅拌叶片8、9,容器4一侧的下端设有出料口6、上端设有阀门3、第一进料口1、第二进料口2,容器4内壁两侧分别设置有至少两个挡板5。 Example 3 Referring dedicated device shown in FIG. 1, the method nanoscale inorganic filler modified plastics 4 for preparing a composite material according to claim, 12 which are connected to the motor base 11, holder 10, the container 4, the motor 11 through belt 7 is connected to the stirring shaft, the stirring shaft are mounted mutually staggered stirring blades 7 8,9, 4 the lower end of the container is provided with a side discharge port 6, an upper end provided with a valve 3, a first feed port 1, two inlet 2, 4 are provided on both sides of the inner wall of the container with at least two baffles 5.

工作原理:本发明是将上述所列填料在混合釜(反应釜,混合器、捏合机、捏合锅)中混合后,将混料通过第一加料口1加入容器4内,在高速搅拌的过程中,混料被搅拌叶片8、9,同时通过第二加料口2加入液体物料,搅拌轴7、搅拌挡板5同时进行剪切,团聚的粒子被打开了,同时马上被偶联剂包覆,防止打开后再团聚,通过阀门3将容器内的多余气体放出,其球磨机中球磨子采用该纳米的粒子同种类的普通粒子,本发明综合了机械均质原理和胶体磨研磨原理,能较好地将纳米聚团均一分散到纳米数量级。 Working principle: The present invention is set forth in the filler mixing tank (reactor, mixer, kneader, kneading pot) After mixing, the blend was added through a feed port of the first container 4, in the high-speed stirring process , the mixing vanes 8,9 is stirred, while the second liquid material feed port 2 is added, the stirring shaft 7, the shutter 5 while stirring shear, agglomerated particles was opened, while the coupling agent is coated immediately preventing agglomeration after opening, the valve 3 by the release of excess gas in the container, which is ball milled for the same type of sub-particles using the nano-particles of the ordinary, the present invention combines the mechanical principle and homogeneous colloid milling principle, can be better the uniform dispersion of nano-agglomerate the number nanometers.

实施例4纳米碳酸钙(粒子大小50nm) 78%聚乙烯 10%硬脂酸 3%石蜡 3%三元乙丙胶 2%硅烷偶联剂 2%解聚剂1号 2%制备纳米级无机填料改性塑料复合材料方法,包括下列步骤:1)按配方比例称取纳米级无机填料、载体、分散剂、润滑剂、增韧剂、偶联剂、解聚剂备用;2)将上述各种原料、助剂倒入专用高速捏合机中混合5~20分钟,搅拌速度500~2500转/分,出料温度为60℃~95℃;3)将从专用高速捏合机中出来的搅拌均匀的混合料在双螺杆塑料挤出机中挤出造粒,挤出机从进料口到造粒,加热温度分为四段,其中进料口处温度为150℃,中间熔融段温度为170℃,最后计量段温度为190℃。 Example 4 nano calcium carbonate (particle size 50nm) 78% polyethylene, 10% paraffin wax Stearic acid 3% 3% 2% EPDM 2% silane coupling agent depolymerized 1 Preparation of 2% nanoscale inorganic filler modified plastic composite material, comprising the steps of: 1) the ratio of weighed according to the formulation nanoscale inorganic fillers, carriers, dispersants, lubricants, toughening agents, coupling agents, spare depolymerizing agent; the above 2) raw materials and additives is poured into a dedicated high speed mixing kneader 5 to 20 minutes, stirring speed of 500 to 2,500 r / min, a feed temperature of 60 ℃ ~ 95 ℃; 3) from the dedicated high-speed kneader out stir extruding the mixture in a twin-screw extruder granulation, extruding granulation machine from the feed opening, the heating temperature is divided into four sections, wherein the inlet temperature is 150 deg.] C, the intermediate melting zone temperature of 170 ℃ Finally, the metering section temperature was 190 ℃. 机头处温度为230℃,机头处进行风冷模面切粒,粒子直径3mm,粒子高度3mm。 At the head temperature was 230 deg.] C, air-cooled die face pelletizing head, the particle diameter of 3mm, the particle height 3mm.

专用装置同实例3。 Example 3 with a dedicated device.

实施例5纳米滑石粉 68%聚丙烯 20%聚乙烯蜡 3%石蜡 3%三元乙丙胶 2%钛酸酯偶联剂 2%解聚剂2号 2%制备纳米级无机填料改性塑料复合材料方法,包括下列步骤:1)按配方比例称取纳米级无机填料、载体、分散剂、润滑剂、增韧剂、偶联剂、解聚剂备用;2)将上述各种原料、助剂倒入专用高速捏合机中混合5~20分钟,搅拌速度500~2500转/分,出料温度为60℃~95℃;3)将从专用高速捏合机中出来的搅拌均匀的混合料在双螺杆塑料挤出机中挤出造粒,挤出机从进料口到造粒,加热温度分为四段,其中进料口处温度为170℃,中间熔融段温度为190℃,最后计量段温度为210℃。 Example 5 nanometers to 20% Talc 68% polypropylene, polyethylene, paraffin wax, 3% 3% 2% EPDM titanate coupling agent 2% depolymerized 2 Preparation of 2% nanoscale inorganic filler modified plastics composite material, comprising the steps of: 1) the ratio of weighed according to the formulation nanoscale inorganic fillers, carriers, dispersants, lubricants, toughening agents, coupling agents, spare depolymerizing agent; 2) the above raw materials, help agent into the dedicated high speed mixing kneader 5 to 20 minutes, stirring speed of 500 to 2,500 r / min, a feed temperature of 60 ℃ ~ 95 ℃; 3) from the dedicated high-speed kneader out stir the mixture double-screw extruder extrusion granulation, extrusion granulation machine from the feed opening, the heating temperature is divided into four sections, wherein the inlet temperature is 170 ℃, intermediate melting zone temperature of 190 deg.] C, the last measurement section temperature was 210 ℃. 机头处温度为230℃,机头处进行风冷模面切粒,粒子直径3mm,粒子高度3mm。 At the head temperature was 230 deg.] C, air-cooled die face pelletizing head, the particle diameter of 3mm, the particle height 3mm.

生产方法及使用的专用装置同实例2、实例3。 Production methods and apparatus for use with a dedicated Example 2, Example 3.

实施例6纳米滑石粉 30%聚丙烯 45% Example 6 nm 45% Talc 30% polypropylene

聚乙烯蜡 5%石蜡 5%三元乙丙胶 5%钛酸酯偶联剂 5%解聚剂2号 5%生产方法及使用的专用装置同实例4、实例3。 Dedicated device polyethylene wax paraffin 5% 5% 5% EPDM titanate coupling agent 5% 5% Solution polymerization method for producing same and use of No. 2 Example 4 Example 3.

实施例7纳米滑石粉 50%聚丙烯 30%聚乙烯蜡 4%石蜡 4%三元乙丙胶 4%钛酸酯偶联剂 4%解聚剂2号 4%生产方法及使用的专用装置同实例5、实例3。 Example 7 nanometers dedicated device Talc 50% polypropylene, 30% polyethylene wax, paraffin wax 4% 4% 4% EPDM titanate coupling agent depolymerizing 4% 4% 2 using the same production process and example 5, example 3.

实施例8纳米滑石粉 40%聚丙烯 45%聚乙烯蜡 4%石蜡 3%三元乙丙胶 3%钛酸酯偶联剂 3% Example 8 nm Talc 45% polypropylene, 40% polyethylene wax, paraffin wax 3% 4% 3% EPDM titanate coupling agent 3%

解聚剂2号 2%生产方法及使用的专用装置同实例5、实例3。 Depolymerizing agent 2% 2 production process and special devices used as in Example 5, Example 3.

综上所述,参见图1、图3是来进一步说明本发明的产品的效果:图2、图3所示,都是在10千伏电压、2万倍条件下的电子显微镜照片,图2是分散前的电镜照片,图3为分散后的电镜照片,通过对比,可以看到,分散前的纳米级碳酸钙“团聚”现象比较严重,几乎到处都是抱成一团的小颗粒;经检定,从分散后的照片中的纳米级碳酸钙粒子大小均在100nm以下,且分散均匀,颗粒表面外观良好,而且碳酸钙粒子周围形成“海岛”结构,其界面相互模糊,说明其综合力较强,虽然说分散后的电镜照片中仍然还存在有5%~10%的纳米级碳酸钙″团聚″现象,但存在已经不能影响整体材料的变性。 In summary, 1, FIG 3 is further explained Referring to FIG effect of the product according to the invention: FIG. 2, are electron microscope photograph at a voltage of 10 kV, 2 times the condition shown in FIG. 3, FIG. 2 is pre-dispersed electron micrographs, Figure 3 is an electron micrograph after dispersion, by contrast, can be seen, before dispersing nano calcium carbonate "reunion" quite serious, almost everywhere hold small particles into a ball; Certificated from the photograph dispersing calcium carbonate particles in the nanometer size was less than 100nm, and uniformly dispersed, particle surfaces of good appearance, and is formed around the calcium carbonate particles "sea-island" structure, which each fuzzy interface, indicating that the integrated strong force , although electron micrograph of the dispersed still there is a 5% to 10% of nano calcium carbonate "reunion" phenomenon, but there has been not affect the variability of the bulk material.

Claims (4)

  1. 1.一种纳米级无机填料改性塑料复合材料,由纳米级无机填料30~78%、载体10~50%、分散剂3~5%、润滑剂3~5%、增韧剂2~5%、偶联剂2~5%、解聚剂2~5%组成;所述的纳米级无机填料是碳酸钙、滑石粉、高岭土、云母粉、硅灰石、硅藻土、氧化锌、氧化铝、氧化镁、硫酸钡、硫酸铬、硫酸钙,其组分可以是其中一种或者其中的两种或两种以上的混合物,所述的载体是聚乙烯、聚丙烯中的任一种;所述的分散剂是聚乙烯蜡、硬脂酸中的任一种;所述的润滑剂是石蜡;所述的增韧剂是二三元乙丙胶、三元乙丙胶中的任一种;所述的偶联剂是硅烷类、钛酸脂类、铝酸酯类、稀土类硅烷类、钛酸酯类中的任一种;所述的解聚剂是酰胺类中的任一种。 A modified nanoscale inorganic filler plastic composite material, the nanoscale inorganic filler of 30 to 78%, 10 to 50% carrier, a dispersing agent 3-5%, 3-5% lubricant, 2-5 flexibilizer % coupling agent 2-5%, 2-5% depolymerizing agent composition; said nanoscale inorganic filler is calcium carbonate, talc, kaolin, mica, wollastonite, diatomaceous earth, zinc oxide, aluminum, magnesium oxide, barium sulfate, chromium sulfate, calcium sulfate, which may be one component or wherein a mixture of two or more kinds, the carrier is a polyethylene, polypropylene, any one of; the dispersing agent is polyethylene wax a method according to any stearate; said lubricant is a paraffin wax; said toughening agent is a two EPDM rubber, EPDM rubber of any one of a species; said coupling agent is silane-based, titanate lipids, esters aluminum, rare earth silanes, titanates according to any of one; of the depolymerizing agent is any one of a amides species.
  2. 2.根据权利要求1所述的纳米级无机填料改性塑料复合材料,其特征在于,所述的纳米级无机填料的粒径在100nm以内。 2. nanoscale inorganic filler modified plastic composite material according to claim 1, wherein said nanoscale particle diameter of the inorganic filler is within 100nm.
  3. 3.制备权利要求1所述的纳米级无机填料改性塑料复合材料的方法,其特征在于,包括下列步骤:1)按配方比例称取纳米级无机填料、载体、分散剂、润滑剂、增韧剂、偶联剂、解聚剂备用;2)将上述各种原料、助剂倒入高速捏合机或混合釜或搅拌机中混合5~20分钟,搅拌速度500~2500转/分,出料温度为50℃~100℃;3)将从高速捏合机中出来的搅拌均匀的混合料在双螺杆塑料挤出机中挤出造粒,挤出机从进料口到造粒,加热温度分为四段,其中进料口处温度为150℃~170℃,中间熔融段温度为170℃~190℃,最后计量段温度为190℃~210℃。 3. The method of nanoscale inorganic filler modified plastics according to claim 1 for preparing a composite material, characterized in that it comprises the following steps: 1) the ratio of weighed according to the formulation nanoscale inorganic fillers, carriers, dispersants, lubricants, toughening agents, coupling agents, spare depolymerizing agent; 2) the above raw materials and additives is poured into a high speed mixing tank or kneader or mixer and mixed for 5 to 20 minutes, stirring speed of 500 to 2,500 r / min, the material temperature of 50 ℃ ~ 100 ℃; 3) from coming out of the high-speed kneader stir mix extrusion granulation in a twin screw extruder, the extruder from the feed port to the granulation, the heating temperature distribution is four, wherein the inlet temperature is 150 ℃ ~ 170 ℃, intermediate melting zone temperature of 170 ℃ ~ 190 ℃, the final temperature of the metering section 190 ℃ ~ 210 ℃. 机头处温度为210℃~230℃,机头处进行风冷模面切粒,粒子直径3mm,粒子高度3mm。 At the head temperature is 210 ℃ ~ 230 ℃, air-cooled die face pelletizing head, the particle diameter of 3mm, the particle height 3mm.
  4. 4.一种制备权利要求3的纳米级无机填料改性塑料复合材料的方法的专用装置,其特征在于,底座(12)上分别连接有电机(11)、支架(10)、容器(4),电机(11)通过传动带与搅拌轴(7)相连,搅拌轴(7)上分别安装有相互交错的搅拌叶片(8、9),容器(4)一侧的下端设有出料口(6)、上端设有阀门(3)、第一进料口(1)、第二进料口(2),容器(4)内壁两侧分别设置有至少两个挡板(5)。 Method dedicated device modified nanoscale inorganic filler 4. A plastic composite, according to claim 3, characterized in that there are connected to the motor (11) on the base (12), the bracket (10), the container (4) , the motor (11) via a belt and the stirring shaft (7) is connected to the stirring shaft (7) are mounted staggered stirring blade (8,9), the container (4) is provided with a lower end side of the discharge opening (6 ), an upper end provided with a valve (3), a first feed port (1), the second feed opening (2), the container (4) on both sides of the inner wall are provided with at least two baffles (5).
CN 200710017291 2007-01-25 2007-01-25 Nano modified plastic composite material, preparing method thereof and special-purpose apparatus CN101012324A (en)

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