Effects of inorganic pigments on color and accelerated weathering of wheat straw fiber /polyvinyl chloride composites

IF 3.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Science Pub Date : 2024-10-25 DOI:10.1007/s10853-024-10355-7

Yanan Zhang, Keping Zhang, Junqian Yang, Xi Zhang, Dongsheng Chen, Zhongqing Yang

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引用次数: 0

Abstract

The application of wood-plastic composites (WPCs) in outdoor settings has led to growing emphasis on their aesthetics and weathering. Therefore, it is necessary to study the effect of inorganic pigments on the weathering behavior of WPCs. In order to reveal the effect of inorganic pigments on the aging process of composites, wheat straw fiber/polyvinyl chloride composites (WSFPs) incorporating inorganic pigments were prepared, and accelerated weathering tests of the different colored WSFPs were carried out, and the changes of chemical structure, color stability, three-dimensional morphology, mechanical properties and physical properties of composites during weathering were investigated. The results showed that WSFPs with inorganic pigment showed high color stability and weather resistance during accelerated weathering. After weathering for 480 h, the color change exhibited by WY was the least, only 13.00, and its tensile, flexural and impact properties decreased by 5.14%, 8.72% and 3.10%, respectively. This study demonstrates that inorganic pigments not only enhance the aesthetics of WSFPs through coloration, but also effectively improve their weather resistance. Inorganic pigments help maintain the vibrant color and structural integrity of the material during long-term use.

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无机颜料对小麦秸秆纤维/聚氯乙烯复合材料颜色和加速风化的影响

随着木塑复合材料（WPC）在户外环境中的应用，人们越来越重视其美观性和耐候性。因此，有必要研究无机颜料对木塑复合材料耐候性的影响。为了揭示无机颜料对复合材料老化过程的影响，制备了掺入无机颜料的小麦秸秆纤维/聚氯乙烯复合材料（WSFPs），并对不同颜色的 WSFPs 进行了加速老化试验，研究了老化过程中复合材料的化学结构、颜色稳定性、三维形态、力学性能和物理性能的变化。结果表明，含有无机颜料的 WSFP 在加速老化过程中表现出较高的颜色稳定性和耐候性。风化 480 小时后，WY 的颜色变化最小，仅为 13.00，其拉伸、弯曲和冲击性能分别下降了 5.14%、8.72% 和 3.10%。这项研究表明，无机颜料不仅能通过着色提高 WSFP 的美观度，还能有效改善其耐候性。无机颜料有助于在长期使用过程中保持材料的鲜艳色彩和结构完整性。

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

Journal of Materials Science 工程技术-材料科学：综合

CiteScore

7.90

自引率

4.40%

发文量

1297

审稿时长

2.4 months

期刊介绍： The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.