CN103059418A - 一种增强改性的聚丙烯的制备方法 - Google Patents

一种增强改性的聚丙烯的制备方法 Download PDF

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CN103059418A
CN103059418A CN2013100346560A CN201310034656A CN103059418A CN 103059418 A CN103059418 A CN 103059418A CN 2013100346560 A CN2013100346560 A CN 2013100346560A CN 201310034656 A CN201310034656 A CN 201310034656A CN 103059418 A CN103059418 A CN 103059418A
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CN103059418B (zh
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陈维君
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Qingdao new Mstar Technology Ltd
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ZHEJIANG SRTPO NEW MATERIAL TECHNOLOGY Co Ltd
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    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • 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
    • B29B9/12—Making granules characterised by structure or composition
    • 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
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • 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
    • B29C48/78—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
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92561—Time, e.g. start, termination, duration or interruption
    • 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
    • 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
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    • B29C2948/92904—Die; Nozzle zone

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

本发明涉及一种增强改性的聚丙烯的制备方法，该方法包括下列步骤：将聚丙烯树脂、滑石粉、磷酸三甲苯酯、季戊四醇硬脂酸酯以及玻璃纤维在高搅锅中在950r/min下搅拌5min，初步混合后，从加料口处加入双螺杆反应挤出机中，双螺杆反应挤出机从进料段到机头的各反应段温度分别为250℃、260℃、270℃、265℃、265℃、250℃、245℃、240℃，模头温度为260℃，双螺杆挤出机中螺杆长径比为38∶1，转速350r/min。经双螺杆挤出机挤出后经过水冷、切粒，在鼓风干燥箱中120℃放置4小时后，得到增强改性的聚丙烯。本发明所述的增强改性的聚丙烯在强度、模量和热性能方面有明显提高，因此在机械、电器、汽车、纺织及建筑等行业上有广泛应用。

Description

一种增强改性的聚丙烯的制备方法
技术领域
本发明涉及高分子领域，具体的说，本发明涉及一种增强改性的聚丙烯的制备方法。
背景技术
聚丙烯(pp)是一种成本低、性能优异、用途广泛的高分子材料，由于其很容易进行填充改性，在改性后可提高力学性能，因此聚丙烯成为非常广泛的树脂材料，尤其是在汽车制造领域。
发明内容
本发明的目的是提供一种增强改性的聚丙烯的制备方法。
为了实现本发明的目的，本发明提供一种增强改性的聚丙烯的制备方法，该方法包括下列步骤：将聚丙烯树脂、滑石粉、磷酸三甲苯酯、季戊四醇硬脂酸酯以及玻璃纤维在高搅锅中在950r/min下搅拌5min，初步混合后，从加料口处加入双螺杆反应挤出机中，双螺杆反应挤出机从进料段到机头的各反应段温度分别为250℃、260℃、270℃、265℃、265℃、250℃、245℃、240℃，模头温度为260℃，双螺杆挤出机中螺杆长径比为38∶1，转速350r/min。经双螺杆挤出机挤出后经过水冷、切粒，在鼓风干燥箱中120℃放置4小时后，得到增强改性的聚丙烯。
优选地，以重量份计，所述增强改性的聚丙烯包含下列成分：(a)70-90份的聚丙烯树脂；(b)5-15份的滑石粉；(c)1-10份的磷酸三甲苯酯；(d)1-5份的季戊四醇硬脂酸酯；以及(e)1-10份的玻璃纤维。
优选地，以重量份计，所述增强改性的聚丙烯包含10份的滑石粉。
优选地，以重量份计，所述增强改性的聚丙烯包含5份的玻璃纤维。
优选地，以重量份计，所述增强改性的聚丙烯包含90份的聚丙烯树脂。
优选地，以重量份计，所述增强改性的聚丙烯包含5份的磷酸三甲苯酯。
优选地，以重量份计，所述增强改性的聚丙烯包含3份的季戊四醇硬脂酸酯。
优选地，所述玻璃纤维的长度为10mm。
本发明所述的增强改性的聚丙烯在强度、模量和热性能方面有明显提高，因此在机械、电器、汽车、纺织及建筑等行业上有广泛应用。
具体实施方式
以下通过具体实施方式的描述对本发明作进一步说明，但这并非是对本发明的限制，本领域技术人员根据本发明的基本思想，可以做出各种修改或改进，但是只要不脱离本发明的基本思想，均在本发明的范围之内。
聚丙烯树脂，德国拜耳公司；10mm的玻璃纤维，南通海玻玻璃纤维有限公司。
实施例1
称取90千克的聚丙烯树脂、10千克的滑石粉、5千克的磷酸三甲苯酯、3千克的季戊四醇硬脂酸酯以及5千克的10mm的玻璃纤维。
将聚丙烯树脂、滑石粉、磷酸三甲苯酯、季戊四醇硬脂酸酯以及玻璃纤维在高搅锅中在950r/min下搅拌5min，初步混合后，从加料口处加入双螺杆反应挤出机中，双螺杆反应挤出机从进料段到机头的各反应段温度分别为250℃、260℃、270℃、265℃、265℃、250℃、245℃、240℃，模头温度为260℃，双螺杆挤出机中螺杆长径比为38∶1，转速350r/min。经双螺杆挤出机挤出后经过水冷、切粒，在鼓风干燥箱中120℃放置4小时后，得到增强改性的聚丙烯复合物。
实施例2
按照和实施例1相同的方式制备增强改性的聚丙烯复合物，不同之处在于不使用滑石粉。
实施例3
按照和实施例1相同的方式制备增强改性的聚丙烯复合物，不同之处在于不使用玻璃纤维。
实施例4
按照和实施例1相同的方式制备增强改性的聚丙烯复合物，不同之处在于使用15千克的滑石粉。
实施例5
按照和实施例1相同的方式制备增强改性的聚丙烯复合物，不同之处在于使用5千克的滑石粉。
实施例6
按照和实施例1相同的方式制备增强改性的聚丙烯复合物，不同之处在于使用1千克的10mm的玻璃纤维。
实施例7
按照和实施例1相同的方式制备增强改性的聚丙烯复合物，不同之处在于使用10千克的10mm的玻璃纤维。
根据拉伸强度ISO1798-2008来测定拉伸强度(MPa)，结果如下：134MPa(实施例1)、89MPa(实施例2)、97MPa(实施例3)、89MPa(实施例4)、76MPa(实施例5)、84MPa(实施例6)、92MPa(实施例7)。

Claims (8)

1.一种增强改性的聚丙烯的制备方法，该方法包括下列步骤：将聚丙烯树脂、滑石粉、磷酸三甲苯酯、季戊四醇硬脂酸酯以及玻璃纤维在高搅锅中在950r/min下搅拌5min，初步混合后，从加料口处加入双螺杆反应挤出机中，双螺杆反应挤出机从进料段到机头的各反应段温度分别为250℃、260℃、270℃、265℃、265℃、250℃、245℃、240℃，模头温度为260℃，双螺杆挤出机中螺杆长径比为38∶1，转速350r/min。经双螺杆挤出机挤出后经过水冷、切粒，在鼓风干燥箱中120℃放置4小时后，得到增强改性的聚丙烯。
2.根据权利要求1所述的增强改性的聚丙烯的制备方法，其特征在于，以重量份计，所述增强改性的聚丙烯包含下列成分：(a)70-90份的聚丙烯树脂；(b)5-15份的滑石粉；(c)1-10份的磷酸三甲苯酯；(d)1-5份的季戊四醇硬脂酸酯；以及(e)1-10份的玻璃纤维。
3.根据权利要求1所述的增强改性的聚丙烯的制备方法，其特征在于，以重量份计，所述增强改性的聚丙烯包含10份的滑石粉。
4.根据权利要求1所述的增强改性的聚丙烯的制备方法，其特征在于，以重量份计，所述增强改性的聚丙烯包含5份的玻璃纤维。
5.根据权利要求1所述的增强改性的聚丙烯的制备方法，其特征在于，以重量份计，所述增强改性的聚丙烯包含90份的聚丙烯树脂。
6.根据权利要求1所述的增强改性的聚丙烯的制备方法，其特征在于，以重量份计，所述增强改性的聚丙烯包含5份的磷酸三甲苯酯。
7.根据权利要求1所述的增强改性的聚丙烯的制备方法，其特征在于，以重量份计，所述增强改性的聚丙烯包含3份的季戊四醇硬脂酸酯。
8.根据权利要求1所述的增强改性的聚丙烯的制备方法，其特征在于，所述玻璃纤维的长度为10mm。
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