CN103980614A - 一种石墨烯填充聚丙烯材料及其制备方法 - Google Patents

一种石墨烯填充聚丙烯材料及其制备方法 Download PDF

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CN103980614A
CN103980614A CN201410216306.0A CN201410216306A CN103980614A CN 103980614 A CN103980614 A CN 103980614A CN 201410216306 A CN201410216306 A CN 201410216306A CN 103980614 A CN103980614 A CN 103980614A
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graphene
weight part
filled polypropylene
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polypropylene material
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倪迪
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WUJIANG YINGLIDA PLASTIC PACKAGING CO Ltd
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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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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    • C08L23/12—Polypropene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
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Abstract

本发明公开了一种石墨烯填充聚丙烯材料及其制备方法。该材料由包含以下重量份的组分制成：聚丙烯80-90重量份、石墨烯微片10-13重量份、二氧化钛2-3重量份、聚乙炔3-5重量份、偶联剂0.01-1重量份和抗氧剂2-5重量份。该材料是将上述原料加入高速混合机中混合均匀，然后送入双螺杆挤出机中挤出、造粒。制得的材料不仅具有高导电性、高力学性能、填充量少、且制备方法连续、简单、适合规模化生产。

Description

一种石墨烯填充聚丙烯材料及其制备方法
技术领域
本发明属于高分子材料领域，特别涉及一种石墨烯填充聚丙烯材料及其制备方法。
背景技术
石墨稀坚硬度高，在室温下具有良好的导电性能，且结构十分稳定，即使在较大的作用力下，碳原子不必重新排列来适应外力，从而保持了结构稳定。仍能保持着良好的导电性能。但是由于石墨烯与塑料体系的基材容易出现相容性、石墨烯难于分散等问题，已经有很多研究者制备了石墨烯填充的复合材料，很多学者都采用溶液聚合法和原位聚合法来制备石墨烯填充的复合材料，这些方法操作复杂，成本昂贵，因而只能应用于一些小规模的制备。
聚丙烯材料是一种常用的工程塑料，由于其具有着良好的耐候性和力学性能，因而被用于汽车、家居、建筑、电气等各领域。
发明内容
针对上述的需求，本发明的目的是提供了一种具有高导电性、高力学性能、填充量少、且制备方法连续、简单、适合规模化生产。
本发明的目的可以通过以下技术方案实现：
一种石墨烯填充聚丙烯材料，由包含以下重量份的组分制成：
所述石墨烯微片的厚度为1-5nm。
所述二氧化钛的直径为20nm。
所述偶联剂为NDZ-101，抗氧剂为抗氧剂1010。
一种石墨烯填充聚丙烯材料的制备方法，该方法包括以下步骤：
(1)聚丙烯80-90重量份、石墨烯微片10-13重量份、二氧化钛2-3重量份、聚乙炔3-5重量份、偶联剂0.01-1重量份和抗氧剂2-5重量份，加入高速混合机中混合均匀，混合温度为70-90℃，混合时间为10min，然后置于真空烘箱中100-110℃下烘10-16h；
(2)将混合好的物料送入双螺杆挤出机中，物料在螺杆的剪切、混炼和输送下充分的熔合，最后经过模头挤出造粒；
所述双螺杆挤出机的长径比为60：1，挤出机各区段的温度为180-250℃，挤出机转速为20-30rpm。
与现有技术相比，本发明具有以下有益效果：本发明采用与现有碳系填充复合材料相比，本发明的复合材料能在石墨烯微片填充量少的条件下，使材料具有优异的导电性能，这是由于我们在材料的配方中通过加入二氧化钛和聚乙炔促进了电子的运动，提高了材料的导电性。同时我们加入了偶联剂和抗氧剂提高了材料的相容性问题。本发明采用熔融共混法来制备石墨烯填充聚丙烯复合材料，具有生产连续、操作简单、可规模化生产的优点。
具体实施方式
以下结合实施例对本发明作进一步的说明。
实施例1
(1)聚丙烯80kg、厚度为1nm的石墨烯微片10kg、直径为20nm的二氧化钛2kg、聚乙炔5kg、偶联剂NDZ-1011kg和抗氧剂10102kg，加入高速混合机中混合均匀，混合温度为70℃，混合时间为10min，然后置于真空烘箱中100℃下烘16h；
(2)将混合好的物料送入双螺杆挤出机中，物料在螺杆的剪切、混炼和输送下充分的熔合，最后经过模头挤出造粒；
所述双螺杆挤出机的长径比为60：1，挤出机转速为20rpm，
所述螺杆各区的温度为：第一区180℃，第二区200℃，第三区230℃，第四区240℃。
制得材料的性能测试结果如表1所示。
实施例2
(1)聚丙烯90kg、厚度为2nm的石墨烯微片13kg、直径为20nm的二氧化钛3kg、聚乙炔3kg、偶联剂NDZ-1010.5kg和抗氧剂10105kg，加入高速混合机中混合均匀，混合温度为90℃，混合时间为10min，然后置于真空烘箱中110℃下烘10h；
(2)将混合好的物料送入双螺杆挤出机中，物料在螺杆的剪切、混炼和输送下充分的熔合，最后经过模头挤出造粒；
所述双螺杆挤出机的长径比为60：1，挤出机转速为30rpm，
所述螺杆各区的温度为：第一区190℃，第二区220℃，第三区240℃，第四区250℃。
制得材料的性能测试结果如表1所示。
实施例3
(1)聚丙烯80kg、厚度为5nm的石墨烯微片10kg、直径为20nm的二氧化钛2kg、聚乙炔5kg、偶联剂NDZ-1010.01kg和抗氧剂10102kg，加入高速混合机中混合均匀，混合温度为80℃，混合时间为10min，然后置于真空烘箱中100℃下烘16h；
(2)将混合好的物料送入双螺杆挤出机中，物料在螺杆的剪切、混炼和输送下充分的熔合，最后经过模头挤出造粒；
所述双螺杆挤出机的长径比为60：1，挤出机转速为30rpm，
所述螺杆各区的温度为：第一区190℃，第二区220℃，第三区240℃，第四区250℃。
制得材料的性能测试结果如表1所示。
表1

Claims (5)

1.一种石墨烯填充聚丙烯材料，其特征在于，由包含以下重量份的组分制成：
聚丙烯：80-90份，石墨烯微片：10-13份，
二氧化钛：2-3份，聚乙炔：3-5份，
偶联剂：0.01-1份，抗氧剂：2-5份。
2.根据权利要求1所述的石墨烯填充聚丙烯材料，其特征在于，所述石墨烯微片的厚度为1-5nm。
3.根据权利要求1所述的石墨烯填充聚丙烯材料，其特征在于，所述二氧化钛的直径为20nm。
4.根据权利要求1所述的石墨烯填充聚丙烯材料，其特征在于，所述偶联剂为NDZ-101，抗氧剂为抗氧剂1010。
5.一种石墨烯填充聚丙烯材料的制备方法，其特征在于，该方法包括以下步骤：
(1)聚丙烯80-90重量份、石墨烯微片10-13重量份、二氧化钛2-3重量份、聚乙炔3-5重量份、偶联剂0.01-1重量份和抗氧剂2-5重量份，加入高速混合机中混合均匀，混合温度为70-90℃，混合时间为10min，然后置于真空烘箱中100-110℃下烘10-16h；
(2)将混合好的物料送入双螺杆挤出机中，物料在螺杆的剪切、混炼和输送下充分的熔合，最后经过模头挤出造粒；
所述双螺杆挤出机的长径比为60：1，挤出机各区段的温度为180-250℃，挤出机转速为20-30rpm。
CN201410216306.0A 2014-05-21 2014-05-21 一种石墨烯填充聚丙烯材料及其制备方法 Pending CN103980614A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
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CN116656043A (zh) * 2023-06-19 2023-08-29 深圳市增壹科技有限公司 一种可降解塑料及其制备方法

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CN1995128A (zh) * 2006-12-19 2007-07-11 江门市科恒实业有限责任公司 导电塑胶材料及其制备方法和应用
CN102354821A (zh) * 2011-08-31 2012-02-15 陕西电力科学研究院 一种耐腐蚀金属复合接地体的制备方法
CN103087404A (zh) * 2011-10-31 2013-05-08 上海杰事杰新材料(集团)股份有限公司 一种石墨烯填充聚合物基复合材料及其制备方法
CN103232637A (zh) * 2013-05-04 2013-08-07 吉林大学 一种石墨烯/聚丙烯导电纳米复合材料及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1995128A (zh) * 2006-12-19 2007-07-11 江门市科恒实业有限责任公司 导电塑胶材料及其制备方法和应用
CN102354821A (zh) * 2011-08-31 2012-02-15 陕西电力科学研究院 一种耐腐蚀金属复合接地体的制备方法
CN103087404A (zh) * 2011-10-31 2013-05-08 上海杰事杰新材料(集团)股份有限公司 一种石墨烯填充聚合物基复合材料及其制备方法
CN103232637A (zh) * 2013-05-04 2013-08-07 吉林大学 一种石墨烯/聚丙烯导电纳米复合材料及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116656043A (zh) * 2023-06-19 2023-08-29 深圳市增壹科技有限公司 一种可降解塑料及其制备方法

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Application publication date: 20140813