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首页> 外文会议>2000 China International Nonwovens/Techtextiles Conference May 23-25, 2000 Beijing, China >Long - Term - Resistance of PET - Geofibers to Inner and Outer Hydrolysis
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Long - Term - Resistance of PET - Geofibers to Inner and Outer Hydrolysis

机译：PET土工纤维对内外水解的长期抵抗力。

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摘要

PET - Geofibers are the essentially functional constituent elements of PET - geotextiles like nonwovens, wovens and related products like coated woven geogrids. PET - Geotextiles are materials with excellent mechanical properties concerning tensile strength and creep behaviour and therefore are often used for reinforcing soil with clear economical and ecological advantages. If installation in soil has been done appropriate lifetime of PEt - Geotextiles is generally limited by the resistance of the constituent PET - yarns and fibers to inner hydrolysis and in more alkaline soils also to the resistance of the constituent PET - years and fibers to inner hydrolysis and in more alkaline soils also to the surface attack of outer, alkaline hydrolysis. The lifetime of other Geotextiles based on polyolefin or polyamide based materials is usually limited by oxidation or design of antioxidant stabilizers.
机译：PET-土工纤维是PET-土工布（如非织造布，机织布）和相关产品（如带涂层的土工格栅）的基本功能组成元素。 PET-土工布是具有优异抗拉强度和蠕变性能的机械性能的材料，因此通常用于加固土壤，具有明显的经济和生态优势。如果已经在土壤中安装了PEt，则土工织物的使用寿命通常会受到构成PET的纱线和纤维对内部水解的抵抗性的限制，而在碱性较强的土壤中，构成PET的纤维和纤维对内部水解的抵抗性也会受到限制并且在碱性较强的土壤中也会对表面进行外部侵蚀，发生碱性水解。其他基于聚烯烃或聚酰胺的材料的土工布的使用寿命通常受氧化或抗氧化剂稳定剂设计的限制。

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