CN112080062A - 一种采用弹性体为载体的石墨烯多功能母粒及其制备方法 - Google Patents

一种采用弹性体为载体的石墨烯多功能母粒及其制备方法 Download PDF

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CN112080062A
CN112080062A CN202010983663.5A CN202010983663A CN112080062A CN 112080062 A CN112080062 A CN 112080062A CN 202010983663 A CN202010983663 A CN 202010983663A CN 112080062 A CN112080062 A CN 112080062A
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贾纬民
安云
张垚宇
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Gaobeidian Ampldk Photoelectric Mstar Technology Ltd
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Abstract

本发明公开了一种采用弹性体为载体的石墨烯多功能母粒及其制备方法，所述母粒包括以下成分：聚烯烃弹性体基料，POE‑g‑MAH相容剂，抗氧化剂，改性石墨烯，各成分质量比为45‑70:10‑15:0.2‑1:20‑40。本发明采用基料及增强剂的思路，并将改性石墨烯做为多功能添加剂配合特殊工艺制成母粒，提供塑料加工成型使用。主要为以POE弹性体为基料，石墨烯为功能剂的组合物。以特殊工艺制成母料，除能使塑料的力学增韧，增强外，更在功能上，进一步具备了抗静电、导电、散热的能力，使塑料具备一品多功的优良性能。母粒可适用于各种一般塑料添加量不会得原塑料的性能受到影响，加工成型后，成品的力学性能、电性能能够得到改善，对纺织，皮料，发泡及化工成型加工有极大应用潜力。

Description

一种采用弹性体为载体的石墨烯多功能母粒及其制备方法
技术领域
本发明涉及一种石墨烯塑料母粒，具体的涉及一种采用弹性体为载体的石墨烯多功能母粒。
背景技术
石墨烯是二维纳米材料，具有力学，热力学，电学及电子学，电化学，磁学，生物学的极优异特性，因而可作为功能助剂，提升塑料导电，抗静电，散热，增韧，灭菌。由于其一品多功的条件，可在添加后使塑料亦具备有多功能的附加价值，是极具潜力的功能添加剂。
但由于石墨烯是纳米片状，其层间边缘活性官能团特别大，在塑料中极不易分散均匀，团聚现象不易解决，形成化学加工的薄弱点。
POE是由茂金属为催化剂，辛烯聚合而成的弹性体，其在力学上的拉伸强度，抗冲击强度，以及其韧性的突出特性，在业界均选用作为增韧及低温抗冲击的改性剂，实际已应用的一般塑料有PP，PE，EVA，PS，PVC等，通用塑料有PA，PET等诸多成功案例。
目前功能性塑料或填充改性塑料最大的障碍就是添加量太大，结果使得原塑料的性能受到影响，失去了其应有的材性，加工成型后，成品的力学性能，电性能无法保持。另外，尤其是当塑料需要有具备两种以上功能同时需求时，两种以上的改性增强或功能添加剂同时加入到组合物体系中，将造成无法加工成型的后果。
发明内容
为了解决上述问题，本发明提供一种采用弹性体为载体的石墨烯多功能母粒及其制备方法。
一种POE为载体的石墨烯多功能母粒，其特征在于包括以下成分：聚烯烃弹性体基料、POE-g-MAH相容剂、抗氧化剂、改性石墨烯，各成分质量比为45-70:10-15:0.2-1:20-40。
优选的所述聚烯烃弹性体基料为POE聚烯烃弹性体。
优选的所述改性石墨烯为KH560改性的氨基化改性石墨烯。
优选的所述抗氧化剂为高温型1010与低温型168以3:1-1:4复配。
优选的还包括内润滑剂硬脂酸锌和外润滑剂聚乙烯蜡。
优选的所述改性石墨烯的规格为层数小于10层，C/O比值中O小于5％，导电率7000-10000S/cm，比表面积300-450m2/g。
进一步优选的所述改性石墨烯的粒径D50<10μm。
进一步优选的D50<5μm，
进一步优选额D50<2μm。
前述母粒的制备方法，其特征在于首先经由密炼机温度130-180℃密炼20-40min，得混炼料投入单螺杆制粒机，四段温度分别设定为150-180℃，转速300-500rpm，切粒后气冷系统冷却得到所述母粒。
本发明的技术效果如下：
本发明采用基料及增强剂的思路，并将改性石墨烯做为多功能添加剂配合特殊工艺制成母粒，提供塑料加工成型使用。主要为以POE弹性体为基料，石墨烯为功能剂的组合物。以特殊工艺制成母料，除能使塑料的力学增韧、增强外，更在功能上，进一步具备了抗静电、导电、散热的能力，使塑料具备一品多功的优良性能。母粒可适用于各种一般塑料PE、PP、EVA、PVC、PS及各种PET、PA，添加量不会得原塑料的性能受到影响，加工成型后，成品的力学性能、电性能能够得到改善，对纺织，皮料，发泡及化工成型加工有极大应用潜力。
塑料母粒是指塑料功能助剂、填料超常量地载附于载体树脂中，先行混炼而制成的浓缩颗粒。在塑料加工成型过程中，再依所需比例添加，达到制成的目标。
此种采用母料工艺的方法，具有下列的优点：
①均匀分散：特别是对于粒料与粉料的混合，具有不同形貌的功能助剂、色料、填料通常分散困难，在加工成型前先予以混炼后制粒，再添入整体配方中，可以提升分散均匀度。
②成本降低：制成浓缩体粒料，二次添加入配方中，添加量较小，损失率亦低，可降低成本。
③环保安全：避免粉料加工制造过程中飞扬，尘粒污染环境，甚至伤害人员健康。
具体实施方式
为了更好的理解本发明，下面结合具体实施例对本发明进行进一步的解释。
实施例1
本实施例的各成分配比如下：
Figure BDA0002688372830000021
Figure BDA0002688372830000031
以密炼机在150℃温度下，混炼30min，得混炼料投入单螺杆制粒机，四段温度设定，160℃，165℃，170℃，165℃，转速350rpm，切粒后气冷方式制得母粒。
添加本母粒2.5％至PET中熔融后纺丝，可得到断裂强度3.3％、具有除臭、抗菌功能的PET纤维，整体性能不仅没有受到影响，还实现了多重功能。
实施例2
本实施例的各成分配比如下：
Figure BDA0002688372830000032
以密炼机在150℃温度下，混炼30min，得混炼料投入单螺杆制粒机，四段温度设定，160℃，165℃，170℃，165℃，转速350rpm，切粒后气冷方式制得母粒。
添加本母粒5％至PP中经挤出或射出成型制造的片材具有达到107Ω·m抗静电的条件，整体性能没有受到影响。
实施例3
本实施例的各成分配比如下：
Figure BDA0002688372830000033
以密炼机在150℃温度下，混炼30min，得混炼料投入单螺杆制粒机，四段温度设定，160℃，165℃，170℃，165℃，转速350rpm，切粒后气冷方式制得母粒。
添加本母粒1.5％至PE中，经挤出成缆可得到半绝缘电线电缆护套，达到超高压电缆所需要的抗电磁场的功能，整体性能没有受到影响。
在此指明，以上叙述有助于本领域技术人员理解本发明的内容，但并非限制本发明的保护范围。任何没有脱离本发明实质内容的对以上叙述的等同替换、修饰改进和/或删繁从简而进行的实施，均落入本发明的保护范围。

Claims (10)

1.一种采用弹性体为载体的石墨烯多功能母粒，其特征在于包括以下成分：聚烯烃弹性体基料、POE-g-MAH相容剂、抗氧化剂、改性石墨烯，各成分质量比为45-70:10-15:0.2-1:20-40。
2.根据权利要求1所述的母粒，其特征在于所述聚烯烃弹性体基料为POE聚烯烃弹性体。
3.根据权利要求1所述的母粒，其特征在于所述改性石墨烯为KH560改性的氨基化改性石墨烯。
4.根据权利要求1所述的母粒，其特征在于所述抗氧化剂为高温型1010与低温型168以3:1-1:4复配。
5.根据权利要求1所述的母粒，其特征在于还包括内润滑剂硬脂酸锌和外润滑剂聚乙烯蜡。
6.根据权利要求1所述的母粒，其特征在于所述改性石墨烯的规格为层数小于10层，C/O比值中O小于5％，导电率7000-10000S/cm，比表面积300-450m2/g。
7.根据权利要求6所述的母粒，其特征在于所述改性石墨烯的粒径D50<10μm。
8.根据权利要求7所述的母粒，其特征在于D50<5μm。
9.根据权利要求8所述的母粒，其特征在于D50<2μm。
10.权利要求1-9任一所述的母粒的制备方法，其特征在于首先经由密炼机温度130-180℃密炼20-40min，得混炼料投入单螺杆制粒机，四段温度分别设定为150-180℃，转速300-500rpm，切粒后气冷系统冷却得到所述母粒。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112321854A (zh) * 2020-11-12 2021-02-05 高碑店市隆泰丰博石墨烯有限公司 一种采用弹性体为载体的石墨烯多功能母粒及其制备方法
CN114316415A (zh) * 2021-11-23 2022-04-12 金发科技股份有限公司 一种提高涂层附着力的母粒、聚丙烯材料及其应用

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112321854A (zh) * 2020-11-12 2021-02-05 高碑店市隆泰丰博石墨烯有限公司 一种采用弹性体为载体的石墨烯多功能母粒及其制备方法
CN114316415A (zh) * 2021-11-23 2022-04-12 金发科技股份有限公司 一种提高涂层附着力的母粒、聚丙烯材料及其应用
CN114316415B (zh) * 2021-11-23 2023-09-12 金发科技股份有限公司 一种提高涂层附着力的母粒、聚丙烯材料及其应用

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Application publication date: 20201215