CN103772953A - 一种抗冲击pc/abs合金及其制备方法 - Google Patents

一种抗冲击pc/abs合金及其制备方法 Download PDF

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CN103772953A
CN103772953A CN201410034862.6A CN201410034862A CN103772953A CN 103772953 A CN103772953 A CN 103772953A CN 201410034862 A CN201410034862 A CN 201410034862A CN 103772953 A CN103772953 A CN 103772953A
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abs
parts
preparation
impact
alloy
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石磊
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NANTONG RED STON TECHNOLOGY DEVELOPMENT Co Ltd
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NANTONG RED STON TECHNOLOGY DEVELOPMENT 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
    • B29C48/40Means 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

本发明属于高分子复合材料领域,公开了一种抗冲击PC/ABS合金及其制备方法。该抗冲击PC/ABS合金由包含以下重量份的组分制成:PC60-70份、玻璃纤维20-30份、ABS30-35份、低密度聚乙烯5-10份、石蜡5-10份、相容剂12-27份、三(2.4-二叔丁基苯基)亚磷酸酯2-5份。上述各成分经过高速混合后,送入双螺杆挤出机中,挤出、造粒,得到抗冲击PC/ABS合金。本发明制得的合金材料的力学性能、耐热性能、耐候性能、冲击性和抗开裂性等各方面的性能均得到了改善。

Description

一种抗冲击PC/ABS合金及其制备方法
技术领域
本发明属于高分子材料领域,尤其涉及一种抗冲击PC/ABS合金及其制备方法。
背景技术
聚碳酸酯具有优异的力学性能、耐热性能和耐候性能等,是应用广泛的工程塑料,同时由于聚碳酸酯性脆,不耐冲击和开裂,因而限制了其在诸如汽车、日用品上的应用。
现有提高聚碳酸酯的耐冲击和抗开裂性,主要通过提高橡胶含量,从而提高复合材料的抗冲击性和抗开裂性,但这种方法会造成材料的耐热性下降,有研究者通过加入ABS树脂解决了材料耐热性下降的问题,但是由于ABS树脂和碳酸酯之间的相容性存在问题,易存在结合缺陷导致材料的力学性能降低。
发明内容
本发明目的在于提供了一种抗冲击PC/ABS合金及其制备方法,制得合金材料的力学性能、耐热性能、耐候性能、冲击性和抗开裂性等各方面的性能均得到了改善。
本发明的目的可以通过以下技术方案实现:
一种抗冲击PC/ABS合金,主要由包含以下重量份的组分制成:
PC                               60-70份,
玻璃纤维                         20-30份,
ABS                             30-35份,
低密度聚乙烯                      5-10份,
石蜡                              5-10份,
相容剂                           12-27份,
三(2.4-二叔丁基苯基)亚磷酸酯      2-5份。
所述相容剂为苯乙烯-马来酸酐无规共聚物和ABS接枝聚丙烯的混合物。
所述相容剂中苯乙烯-马来酸酐无规共聚物和ABS接枝聚丙烯的质量比为2:1。
一种抗冲击PC/ABS合金的制备方法,该方法包括以下步骤:
(1)称取PC60-70份、玻璃纤维20-30份、ABS30-35份、低密度聚乙烯5-10份、石蜡5-10份、相容剂12-27份和三(2.4-二叔丁基苯基)亚磷酸酯2-5份;
(2)将上述原料经过高速混合后,送入双螺杆挤出机中,挤出、造粒;
所述双螺杆挤出机各段螺杆温度为200-260℃。
步骤(2)中所述高速混合的搅拌速率为1000rpm,搅拌时间为20分钟。
有益效果:
本发明采用PC和玻璃纤维的纤维增强体系,并为了解决体系中抗冲击缺口能力差、韧性低的问题本发明加入了ABS树脂和低密度聚乙烯,来增加整个体系的韧性和耐热性问题,并加入了苯乙烯-马来酸酐无规共聚物和ABS接枝聚丙烯的混合物作为相容剂,增加了整个体系中各材料的融合性问题。
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)称取PC60kg、玻璃纤维30 kg、ABS30kg、低密度聚乙烯5kg、石蜡5kg、苯乙烯-马来酸酐无规共聚物8 kg、ABS接枝聚丙烯4 kg 和三(2.4-二叔丁基苯基)亚磷酸酯2kg;
(2)将上述原料经过高速混合后,送入双螺杆挤出机中,挤出、造粒;
螺杆各区的温度为:第一区200℃,第二区210℃,第三区240℃,第四区260℃。
步骤(2)中所述高速混合的搅拌速率为1000rpm,搅拌时间为20分钟。
制得材料的性能测试结果如表1所示。
实施例2
(1)称取PC70kg、玻璃纤维20kg、ABS35 kg、低密度聚乙烯8kg、石蜡10 kg、苯乙烯-马来酸酐无规共聚物18 kg、ABS接枝聚丙烯9 kg和三(2.4-二叔丁基苯基)亚磷酸酯5 kg;     
(2)将上述原料经过高速混合后,送入双螺杆挤出机中,挤出、造粒;
螺杆各区的温度为:第一区200℃,第二区230℃,第三区250℃,第四区260℃。
步骤(2)中所述高速混合的搅拌速率为1000rpm,搅拌时间为20分钟。
制得材料的性能测试结果如表1所示。
实施例3
(1)称取PC65kg、玻璃纤维25kg、ABS30 kg、低密度聚乙烯10 kg、石蜡8kg、苯乙烯-马来酸酐无规共聚物8kg、ABS接枝聚丙烯4 kg和三(2.4-二叔丁基苯基)亚磷酸酯4kg;
(2)将上述原料经过高速混合后,送入双螺杆挤出机中,挤出、造粒;
螺杆各区的温度为:第一区200℃,第二区220℃,第三区240℃,第四区260℃。
步骤(2)中所述高速混合的搅拌速率为1000rpm,搅拌时间为20分钟。
制得材料的性能测试结果如表1所示。
 
表1
                                                 
Figure 146298DEST_PATH_IMAGE002

Claims (5)

1. 一种抗冲击PC/ABS合金,其特征在于,主要由包含以下重量份的组分制成:
PC                               60-70份,
玻璃纤维                         20-30份,
ABS                              30-35份,
低密度聚乙烯                      5-10份,
石蜡                             5-10份,
相容剂                           12-27份,
三(2.4-二叔丁基苯基)亚磷酸酯    2-5份。
2. 根据权利要求1所述的抗冲击PC/ABS合金,其特征在于,所述相容剂为苯乙烯-马来酸酐无规共聚物和ABS接枝聚丙烯的混合物。
3. 根据权利要求2所述的抗冲击PC/ABS合金,其特征在于,所述相容剂中苯乙烯-马来酸酐无规共聚物和ABS接枝聚丙烯的质量比为2:1。
4. 一种抗冲击PC/ABS合金的制备方法,其特征在于,该方法包括以下步骤:
(1)称取PC60-70份、玻璃纤维20-30份、ABS30-35份、低密度聚乙烯5-10份、石蜡5-10份、相容剂12-27份和三(2.4-二叔丁基苯基)亚磷酸酯2-5份;
(2)将上述原料经过高速混合后,送入双螺杆挤出机中,挤出、造粒;
所述双螺杆挤出机各段螺杆温度为200-260℃。
5. 根据权利要求4所述的抗冲击PC/ABS合金的制备方法,其特征在于,步骤(2)中所述高速混合的搅拌速率为1000rpm,搅拌时间为20分钟。
CN201410034862.6A 2014-01-24 2014-01-24 一种抗冲击pc/abs合金及其制备方法 Pending CN103772953A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104356627A (zh) * 2014-11-26 2015-02-18 重庆可益荧新材料有限公司 一种乙烯聚合物改性的废旧pc/abs合金材料及其制备方法
CN106349675A (zh) * 2016-08-29 2017-01-25 合肥会通新材料有限公司 一种耐水解、耐低温pc/abs复合材料及其制备方法
CN106674956A (zh) * 2016-12-13 2017-05-17 上海嘉远拜力投资管理有限公司 一种耐候和机械性能优异pc/abs/ldpe合金及其制备方法
CN112662156A (zh) * 2020-12-15 2021-04-16 上海金发科技发展有限公司 一种无锑阻燃改性pc/pet/abs组合物

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1415661A (zh) * 2002-10-18 2003-05-07 上海氯碱化工股份有限公司 一种基于聚碳酸酯的共混材料及其制备方法
CN101875768A (zh) * 2009-11-30 2010-11-03 中国蓝星(集团)股份有限公司 一种耐老化玻纤增强聚碳酸酯组合物及其制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1415661A (zh) * 2002-10-18 2003-05-07 上海氯碱化工股份有限公司 一种基于聚碳酸酯的共混材料及其制备方法
CN101875768A (zh) * 2009-11-30 2010-11-03 中国蓝星(集团)股份有限公司 一种耐老化玻纤增强聚碳酸酯组合物及其制备方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104356627A (zh) * 2014-11-26 2015-02-18 重庆可益荧新材料有限公司 一种乙烯聚合物改性的废旧pc/abs合金材料及其制备方法
CN106349675A (zh) * 2016-08-29 2017-01-25 合肥会通新材料有限公司 一种耐水解、耐低温pc/abs复合材料及其制备方法
CN106349675B (zh) * 2016-08-29 2019-10-18 广东圆融新材料有限公司 一种耐水解、耐低温pc/abs复合材料及其制备方法
CN106674956A (zh) * 2016-12-13 2017-05-17 上海嘉远拜力投资管理有限公司 一种耐候和机械性能优异pc/abs/ldpe合金及其制备方法
CN112662156A (zh) * 2020-12-15 2021-04-16 上海金发科技发展有限公司 一种无锑阻燃改性pc/pet/abs组合物

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