镁(OH)2改性聚乙烯的挤出过程

IF 1.1 4区工程技术 Q4 POLYMER SCIENCE

Polimery Pub Date : 2022-09-21 DOI:10.14314/POLIMERY.2000.050

B. Samujło, R. Sikora

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引用次数: 1

摘要

中密度PE (MFI, 0.712 g/10 min)用Mg(OH)2改性，FR-20级，粒径2.5 mm。加入防堵和润滑剂020-04、020-15和Lifoslip 220 PE作为PE浓缩液。在Brabender Plastic-Corder (PLV 151型)中，在螺杆转速为0.75 s-1，三个加热区温度分别为160℃、170℃和170℃，挤出机头温度为170℃，挤出速度为1.72 mm/s的条件下进行了挤压实验。随着Mg(OH)2含量的增加，挤出机头内压力、挤出机螺杆上的转动力矩以及流量均有所增加(图1-3)。使用Lifoslip药剂时，压力和转弯力矩达到最低。在高Mg(OH)2含量(57.5和60%)时，压力和弯矩与其他助剂接近。

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The course of Mg(OH)2 modified polyethylene extusion process

Medium-density PE (MFI, 0.712 g/10 min) was modified with Mg(OH)2, FR-20 grade, particle size 2.5 mm. Antiblocking and lubricating agents, 020—04, 020—15 and Lifoslip 220 PE were added as PE concetrates. Experimental extrusions in a Brabender Plastic-Corder (PLV 151 type) were carried out at screw speed 0.75 s-1, three-heating-zones temperatures 160oC, 170oC and 170oC, extruder head temperature 170oC, and extrusion velocity 1.72 mm/s. The pressure in the extruder head, the turning moment measured on the extruder screw, and the flow rate rose as the Mg(OH)2 content was increased (Figs. 1-3). With the Lifoslip agent, the pressure and the turning moment attained the lowest values. At high Mg(OH)2 contents, 57.5 and 60%, the pressure and the turning moment had values close to those attained with other auxiliary agents.

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来源期刊

Polimery Materials Science-Polymers and Plastics

CiteScore

2.90

自引率

6.20%

发文量

审稿时长

1 months

期刊介绍： The "Polimery" journal, of international circulation, is publishing peerreviewed scientific and technical research papers covering polymer science and technology in the field of polymers, rubbers, chemical fibres and paints. The range of topics covered are raw materials, polymer synthesis, processing and applications of polymers. Apart from scientific and technical research papers the monthly includes technical and commercial information such as reports from fairs and exhibitions as well as home, world and technical news. “Polimery "- an international journal covering the following topics: polymers, rubber, chemical fibres and paints. The Journal is addressed to scientists, managers and engineering staff of universities, Polish Academy of Sciences, R&D institutions, industry, specializing in polymer chemistry, physical chemistry, technology and processing. “Polimery” publishes original, reviewed research, scientific and technology papers in the field of polymer synthesis, analysis, technology and modification, processing, properties, applications and recycling.