نتایج جستجو برای: polyolefins

تعداد نتایج: 352  

Journal: :Polymer Degradation and Stability 2021

• Investigations of polyolefin degradation induced by thermo-mechanical stress. Analysis changes in molecular weights and stabilizer concentrations via HT-GPC-IR HPLC-QTOF-MS. Determination molecules with odd-numbered alkane species related to HDPE TD-GC-MS. oxidized branched The importance mechanical recycling polymers has increased within the last decades, especially due numerous regulations ...

Journal: :MM Science Journal 2022

The prospects for the use of polymer-polymer mixtures based on corn starch as alternative thermoplastic materials to polyolefins are considered. Rheological curves have been obtained, which confirm possibility processing such standard equipment into products. It is shown that content in can reach 90 mass percent. Compared existing biodegradable polymers, plasticized starch-based material no way...

Journal: :ACS applied polymer materials 2021

One of the challenges developing bioderived polymers is to obtain materials with competitive properties. This study investigates structure-properties relationships polyesters and polyethers that can be derived from d-xylose through metathesis polymerization, in order produce plastic are sourced sustainable feedstocks whose properties compete those polyolefins such as polyethylene. Bicyclic diol...

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