Upgrading Commercially Available Polyethylene to High-value Materials with Strong Mechanical Performance and Hydrophilicity by Blending with Ethylene/meta-Methoxystyrene Copolymers

IF 4.6 2区化学 Q2 POLYMER SCIENCE

Chinese Journal of Polymer Science Pub Date : 2026-07-20 DOI:10.1007/s10118-026-3707-5

Hui Tian, Chun-Ji Wu, Bao-Li Wang

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引用次数: 0

Abstract

Upgrading commercially available polyethylene to have both higher mechanical properties and surface hydrophilicity is of fundamental interest and practical importance, but the actual results usually suffer from a trade-off between mechanical performance and surface hydrophilicity. Herein, we report the preparation of eighteen high-density polyethylene (HDPE) blend materials via the simple physical blending with hydrophilic ethylene/meta-methoxystyrene (E-mMOS) copolymers (P1, P2, and P3) used as macromolecular additives. After adding low blend ratios of the E-mMOS copolymers (2 wt%, 5 wt% and 10 wt%), the tensile strength, toughness and hydrophilicity of the resultant HDPE blends simultaneously increased. HDPE(SABIC)/P3 blend showed the optimal comprehensive improvement in tensile strength (41.2 MPa versus 31.1 MPa), elongation at break (1601% versus1083%), and hydrophilicity (water contact angle, 96.2° versus 106.4°) compared with commercial HDPE. SEM tests exhibited the HDPE/E-mMOS blends had good compatibilities. These HDPE materials also exhibited good processability, as evidenced by DSC and rheological measurements.

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通过与乙烯/间甲氧基苯乙烯共聚物共混，将市售聚乙烯提升为具有强机械性能和亲水性的高价值材料

提高市售聚乙烯的机械性能和表面亲水性具有基本的兴趣和实际意义，但实际结果通常是在机械性能和表面亲水性之间进行权衡。本文报道了用亲水性乙烯/间甲氧基苯乙烯（E-mMOS）共聚物（P1， P2和P3）作为大分子添加剂，通过简单的物理共混制备了18种高密度聚乙烯（HDPE）共混材料。在加入低共混比例的E-mMOS共聚物（2 wt%， 5 wt%和10 wt%）后，所得HDPE共混物的拉伸强度，韧性和亲水性同时提高。与商用HDPE相比，HDPE(SABIC)/P3共混物在抗拉强度（41.2 MPa vs 31.1 MPa）、断裂伸长率（1601% vs 1083%）和亲水性（水接触角96.2°vs 106.4°）方面的综合改善效果最佳。SEM测试表明，HDPE/E-mMOS共混物具有良好的相容性。这些HDPE材料也表现出良好的加工性，DSC和流变测量证明了这一点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chinese Journal of Polymer Science 化学-高分子科学

CiteScore

7.10

自引率

11.60%

发文量

218

审稿时长

6.0 months

期刊介绍： Chinese Journal of Polymer Science (CJPS) is a monthly journal published in English and sponsored by the Chinese Chemical Society and the Institute of Chemistry, Chinese Academy of Sciences. CJPS is edited by a distinguished Editorial Board headed by Professor Qi-Feng Zhou and supported by an International Advisory Board in which many famous active polymer scientists all over the world are included. The journal was first published in 1983 under the title Polymer Communications and has the current name since 1985. CJPS is a peer-reviewed journal dedicated to the timely publication of original research ideas and results in the field of polymer science. The issues may carry regular papers, rapid communications and notes as well as feature articles. As a leading polymer journal in China published in English, CJPS reflects the new achievements obtained in various laboratories of China, CJPS also includes papers submitted by scientists of different countries and regions outside of China, reflecting the international nature of the journal.