petroleum is needed to produce three synthetic jackets. the production of synthetic fibers also involves chemical reactions at high temperatures, producing potentially harmful substances. according to r.s. blackburn ( biodegradable and sustainable fibers , pg xv): "the main problems with synthetic polymers...
few-body problem in physics aug ' yamagata th international diatom symposium aug ' kyoto the th conference of the international law association sep ' "aproach" toyota paper festival sep ' kyoto international symposium on laser-induced breakdown spectroscopy sep ' nara the ionizing radiation and polymers...
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universities, research institutes, suppliers and most importantly our customers. leveraging synergies and bundling r&d competences leads to additional value for our customers and a high level of innovation strength. the competences of our r&d labs are own resin synthesis synthesis of tailor-made polymers...
processing an isocyanate under substantially anhydrous conditions (class / ) isocyanate polymer having stated hydrophilic or hydrophobic property (class / ) polymer prepared from isocyanate reactant has adhesive property (class / ) fiber or elastomer prepared from an isocyanate reactant (class / ) polymers...
is ; the index of urea on august , is , and that on september , is , with an index change of %; then, based on sunsirs index pricing principle, the up-to-date urea price for reference is . futures price: daily (unit:rmb) more>> commodity - - - - change asphalt % natural rubber % pta % methanol % ethylene...