CN101845214A - 一种聚碳酸酯合金及其制备方法 - Google Patents

一种聚碳酸酯合金及其制备方法 Download PDF

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CN101845214A
CN101845214A CN201010190940A CN201010190940A CN101845214A CN 101845214 A CN101845214 A CN 101845214A CN 201010190940 A CN201010190940 A CN 201010190940A CN 201010190940 A CN201010190940 A CN 201010190940A CN 101845214 A CN101845214 A CN 101845214A
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polycarbonate
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polycarbonate alloy
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邓文辉
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DONGGUAN WOJIE PLASTIC CEMENT RAW MATERIAL Co Ltd
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DONGGUAN WOJIE PLASTIC CEMENT RAW MATERIAL Co Ltd
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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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/04Particle-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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/397Means 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 a single screw
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875Thermal 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
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

本发明公开了一种聚碳酸酯合金及其制备方法,按重量百分比称取以下组分:聚碳酸酯20-80%、改性共聚聚酯PCTG80-20%、抗氧剂0.1-1.0%、色粉0.01-0.5%、紫外线吸收剂0.01-0.5%;将称取好的各组分倒入搅拌机搅拌均匀,并置于挤出机中熔融然后挤出造粒。本发明通过添加改性共聚聚酯PCTG对聚碳酸酯进行改性,得到成本低且韧性好的聚碳酸酯合金。

Description

一种聚碳酸酯合金及其制备方法
【技术领域】
本发明涉及高分子材料技术领域,尤其涉及一种聚碳酸酯合金及其制备方法。
【背景技术】
聚碳酸酯是一种无色透明的无定性热塑性材料,具有耐热,抗冲击,阻燃,在普通使用温度内都有良好的机械性能等优点,广泛用于电子,电器,容器包装,装饰材料等领域。但是,其在耐应力方面的缺陷严重制约了它在其它领域的应用。
【发明内容】
本发明针对现有技术的上述缺陷,提供一种聚碳酸酯合金及其制备方法,以增强聚碳酸酯的韧性。
为了解决上述技术问题,本发明是通过以下技术方案实现的:
一种聚碳酸酯合金及其制备方法,按重量百分比称取以下组分:聚碳酸酯20-80%、改性共聚聚酯PCTG80-20%、抗氧剂0.1-1.0%、色粉0.01-0.5%、紫外线吸收剂0.01-0.5%;将称取好的各组分倒入搅拌机搅拌均匀,并置于挤出机中熔融然后挤出造粒。
其中,所述聚碳酸酯是粉状或粒状或者是粉状和粒状的混合物。
其中,抗氧剂是4,4’-硫代双(6-叔丁基-3-甲基苯酚)、亚磷酸三酯(2,4-二叔丁基苯基)、四[β-(3,5二叔丁基-4-羟基苯基)丙酸]季戊四醇酯中的一种或其任意组合的混合物。
其中,紫外线吸收剂是水杨酸双酚A酯,2-羟基-4正辛氧基-二苯甲酮,2,4-二羟基二苯甲酮,2-(2’-二羟基-3’-叔丁基-5’-甲基苯基)-5-氯苯并***中的一种或其任意组合的混合物。
其中,挤出机为单螺杆挤出机,挤出机各区的温度为:一区270-285℃、二区280-290℃、三区285-295℃、四区290-300℃、五区290-300℃。
从以上技术方案可以看出,本发明通过添加改性共聚聚酯PCTG对聚碳酸酯进行改性,保持了聚碳酸酯耐热,抗冲击,阻燃,良好的机械性能的同时还获得具有良好的韧性,耐化学性能、高抗撕性及良好的加工性能,较普通聚碳酸酯的韧性有明显提高。由于改性共聚聚酯PCTG比聚碳酸酯价格低,所以等量的聚碳酸酯合金的成本要比聚碳酸酯低。
【具体实施方式】
下面结合具体实施方式对本发明作进一步详细的说明。
实施例一:按重量百分比称取以下组分
聚碳酸酯                            20%
改性共聚聚酯PCTG                    79.88%
4,4’-硫代双(6-叔丁基-3-甲基苯酚)  0.1%
色粉                                0.01%
水杨酸双酚A酯                       0.01%
将称取好的各组分倒入搅拌机搅拌均匀,并置于单螺杆挤出机中熔融然后挤出造粒,螺杆转速42Hz,设置温度如下:
一区270℃、二区280℃、三区285℃、四区290℃、五区290℃
实施例二:按重量百分比称取以下组分
聚碳酸酯                            40%
改性共聚聚酯PCTG                    59.6%
4,4’-硫代双(6-叔丁基-3-甲基苯酚)   0.3%
色粉                                 0.05%
水杨酸双酚A酯                        0.05%
将称取好的各组分倒入搅拌机搅拌均匀,并置于单螺杆挤出机中熔融然后挤出造粒,螺杆转速42Hz,设置温度如下:
一区275℃、二区280℃、三区285℃、四区290℃、五区295℃
实施例三:按重量百分比称取以下组分
聚碳酸酯                             60%
改性共聚聚酯PCTG                     39.3%
4,4’-硫代双(6-叔丁基-3-甲基苯酚)   0.5%
色粉                                 0.1%
水杨酸双酚A酯                        0.1%
将称取好的各组分倒入搅拌机搅拌均匀,并置于单螺杆挤出机中熔融然后挤出造粒,螺杆转速42Hz,设置温度如下:
一区280℃、二区285℃、三区290℃、四区290℃、五区300℃
实施例四:按重量百分比称取以下组分
聚碳酸酯                             65%
改性共聚聚酯PCTG                     33.6%
4,4’-硫代双(6-叔丁基-3-甲基苯酚)   0.8%
色粉                                 0.3%
水杨酸双酚A酯                        0.3%
将称取好的各组分倒入搅拌机搅拌均匀,并置于单螺杆挤出机中熔融然后挤出造粒,螺杆转速42Hz,设置温度如下:
一区280℃、二区285℃、三区295℃、四区295℃、五区300℃
实施例五:按重量百分比称取以下组分
聚碳酸酯                            78%
改性共聚聚酯PCTG                    20%
4,4’-硫代双(6-叔丁基-3-甲基苯酚)  1.0%
色粉                                0.5%
水杨酸双酚A酯                       0.5%
将称取好的各组分倒入搅拌机搅拌均匀,并置于单螺杆挤出机中熔融然后挤出造粒,螺杆转速42Hz,设置温度如下:
一区285℃、二区290℃、三区295℃、四区295℃、五区300℃
其中,改性共聚聚酯PCTG一种非结晶性共聚酯,它常用的共聚单体为1,4-环己烷二甲醇(CHDM),全称为聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯。它是由对苯二甲酸(TPA)、乙二醇(EG)和1,4-环己烷二甲醇(CHDM)三种单体用酯交换法缩聚的产物。具有高透明度,良好的韧性和冲击强度,优异的低温韧性,高抗撕性及良好的加工性能,优异的耐化学性能。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。

Claims (5)

1.一种聚碳酸酯合金及其制备方法,其特征在于,按重量百分比称取以下组分:聚碳酸酯20-80%、改性共聚聚酯PCTG80-20%、抗氧剂0.1-1.0%、色粉0.01-0.5%、紫外线吸收剂0.01-0.5%;
将称取好的各组分倒入搅拌机搅拌均匀,并置于挤出机中熔融然后挤出造粒。
2.根据权利要求1所述的聚碳酸酯合金,其特征在于,所述聚碳酸酯是粉状或粒状或者是粉状和粒状的混合物。
3.根据权利要求1所述的聚碳酸酯合金及其制备方法,其特征在于,抗氧剂是4,4’-硫代双(6-叔丁基-3-甲基苯酚)、亚磷酸三酯(2,4-二叔丁基苯基)、四[β-(3,5二叔丁基-4-羟基苯基)丙酸]季戊四醇酯中的一种或其任意组合的混合物。
4.根据权利要求1所述的聚碳酸酯合金及其制备方法,其特征在于,紫外线吸收剂是水杨酸双酚A酯,2-羟基-4正辛氧基-二苯甲酮,2,4-二羟基二苯甲酮,2-(2’-二羟基-3’-叔丁基-5’-甲基苯基)-5-氯苯并***中的一种或其任意组合的混合物。
5.根据权利要求1所述的聚碳酸酯合金及其制备方法,其特征在于,挤出机为单螺杆挤出机,挤出机各区的温度为:一区270-285℃、二区280-290℃、三区285-295℃、四区290-300℃、五区290-300℃。
CN201010190940A 2010-05-28 2010-05-28 一种聚碳酸酯合金及其制备方法 Pending CN101845214A (zh)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277442A (zh) * 2014-10-09 2015-01-14 深圳市鑫方上科技有限公司 一种热塑性组合物及其制备方法和应用
CN104356612A (zh) * 2014-10-24 2015-02-18 科沃斯机器人有限公司 一种防黄变抗水解聚酯共混物
CN106118010A (zh) * 2016-08-24 2016-11-16 陈志凤 一种pc合金材料及其制备方法和应用
CN107987504A (zh) * 2017-12-12 2018-05-04 东莞市优特美工程塑料有限公司 耐高温易成型的pc/pctg材料及其制备方法
CN109438930A (zh) * 2018-09-29 2019-03-08 诺思贝瑞新材料科技(苏州)有限公司 一种阻燃光扩散聚酯材料及其制备方法、应用
CN109912943A (zh) * 2019-03-28 2019-06-21 东莞市建泓新材料科技有限公司 一种箱包板材的高抗冲共聚酯合金改性材料及制备方法
CN112778740A (zh) * 2021-01-10 2021-05-11 深圳市富恒新材料股份有限公司 一种高灼热丝起燃温度的耐化学透明聚碳酸酯复合材料及制备方法
US11499010B2 (en) 2018-08-10 2022-11-15 Lg Chem, Ltd. Polycarbonate and preparation method thereof
US11884777B2 (en) 2018-09-14 2024-01-30 Lg Chem, Ltd. Diol compound, polycarbonate, and preparation method of the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1612806A (zh) * 2002-02-08 2005-05-04 伊斯曼化学公司 共聚酯/聚碳酸酯共混物的防紫外线多层结构

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1612806A (zh) * 2002-02-08 2005-05-04 伊斯曼化学公司 共聚酯/聚碳酸酯共混物的防紫外线多层结构

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277442A (zh) * 2014-10-09 2015-01-14 深圳市鑫方上科技有限公司 一种热塑性组合物及其制备方法和应用
CN104356612A (zh) * 2014-10-24 2015-02-18 科沃斯机器人有限公司 一种防黄变抗水解聚酯共混物
CN104356612B (zh) * 2014-10-24 2016-07-06 科沃斯机器人有限公司 一种防黄变抗水解聚酯共混物
CN106118010A (zh) * 2016-08-24 2016-11-16 陈志凤 一种pc合金材料及其制备方法和应用
CN107987504A (zh) * 2017-12-12 2018-05-04 东莞市优特美工程塑料有限公司 耐高温易成型的pc/pctg材料及其制备方法
US11499010B2 (en) 2018-08-10 2022-11-15 Lg Chem, Ltd. Polycarbonate and preparation method thereof
US11884777B2 (en) 2018-09-14 2024-01-30 Lg Chem, Ltd. Diol compound, polycarbonate, and preparation method of the same
CN109438930A (zh) * 2018-09-29 2019-03-08 诺思贝瑞新材料科技(苏州)有限公司 一种阻燃光扩散聚酯材料及其制备方法、应用
CN109912943A (zh) * 2019-03-28 2019-06-21 东莞市建泓新材料科技有限公司 一种箱包板材的高抗冲共聚酯合金改性材料及制备方法
CN112778740A (zh) * 2021-01-10 2021-05-11 深圳市富恒新材料股份有限公司 一种高灼热丝起燃温度的耐化学透明聚碳酸酯复合材料及制备方法

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