کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5203279 1381925 2010 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Investigation of the influence of different commercial softeners on the stability of poly(lactic acid) fabrics during storage
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
پیش نمایش صفحه اول مقاله
Investigation of the influence of different commercial softeners on the stability of poly(lactic acid) fabrics during storage
چکیده انگلیسی
We have studied the potential degradation of poly(lactic acid)-based fabrics treated with commercial softeners and stored under two sets of conditions for one year. Initial wet-processing caused a fall in molecular weight of about 28%, irrespective of after-treatment. Storage at 40 °C and 80% RH produced further degradation which, with few exceptions, was aggravated by the presence of softeners. Ultimately, all samples degraded beyond the point of commercial usefulness. No clear distinction could be made between the effects of softeners having differing compositions. In contrast, fabrics stored under milder conditions of 23 °C and 50% RH showed no significant time-dependent polymer degradation, irrespective of the treatment applied. There were slight changes in tensile properties and some evidence of physical structural effects having occurred, which we attribute to physical aging. However, we do not believe these to be so serious as to call into question the long-term viability of PLA-based textile products.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer Degradation and Stability - Volume 95, Issue 2, February 2010, Pages 214-224
نویسندگان
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