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Soy-filled polyethylene fibers for modified surface and hydrophilic characteristics

机译：用于改性表面和亲水性特性的大豆填充聚乙烯纤维

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By adding soy flour (soy) to linear low-density polyethylene (LLDPE), soy-PE fibers with enhanced hydrophilic characteristics were developed. Blends containing only soy and LLDPE had limited draw-down, and the resulting thick fibers showed poor mechanical properties. When monoglyceride was added as a compatibilizer, thin fibers with good properties could be successfully spun due to improved dispersion of soy agglomerates in the LLDPE melt. Fibers spun from a blend containing 23/7/70 wt % of soy-monoglyceride-LLDPE displayed a tensile modulus and strength of 615 +/- 38 and 57 +/- 8 MPa, respectively. At 30% less synthetic content, these fibers still displayed mechanical properties generally comparable to those of base polyethylene fibers. Contact angle measurements showed that the soy-based fibers had a hydrophilic surface (contact angle of 33 degrees +/- 4 degrees). Moisture absorption studies confirmed that soy-PE fibers gained about 20 wt % moisture in 1 h, whereas neat LLDPE fibers did not absorb any significant amount (LLDPE is hydrophobic). This hydrophilic behavior of soy-PE fibers mimics that of natural fibers. Presence small soy agglomerates on the fiber surface also provides a textured surface and a desired tactile feel to the soy-PE fibers, which coupled with hydrophilic behavior indicates their potential use in disposable nonwovens. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46609.
机译：通过将大豆面粉（大豆）添加到线性低密度聚乙烯（LLDPE），开发了具有增强亲水性特性的大豆-PE纤维。仅含有大豆和LLDPE的混合物具有有限的下降，所得的厚纤维显示出差的机械性能。当加入单甘油酯作为增容剂时，由于大豆聚集酯在LLDPE熔体中的改善的分散体，具有良好性质的薄纤维可以成功地纺。纤维从含有23/7/70wt％的大豆 - 单甘油酯-LLDPE的混合物中纺出来，分别显示出拉伸模量和强度为615 +/- 38和57 +/- 8MPa。合成含量较低的30％，这些纤维仍然显示出通常与碱聚乙烯纤维的机械性能相当的机械性能。接触角测量表明，基于大豆的纤维具有亲水性表面（33度+/- 4度的接触角）。吸湿性研究证实，大豆PE纤维在1小时内获得约20wt％的水分，而整洁的LLDPE纤维未吸收任何显着量（LLDPE是疏水的）。大豆纤维的这种亲水性能模拟天然纤维的纤维。在纤维表面上存在小大豆附聚物还为大豆-PE纤维提供纹理化表面和所需的触觉感觉，其与亲水性行为偶联表明它们在一次性非织造织物中的潜在用途。 （c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,46609。

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