WebA polymer (/ ˈ p ɒ l ɪ m ər /; Greek poly-, "many" + -mer, "part") is a substance or material consisting of very large molecules called macromolecules, composed of many repeating … WebSep 24, 2024 · A small number of conjugated polymers, typically with semicrystalline packing structures, have been reported to exhibit mechanical stretchability. Herein, a …

Chain-packing effects in the thermodynamics of polymers

Webis the chain density. The concept of packing length unites the volume filling and conforma-tional characteristics of a polymer into a chain-length-independent parameter. The … WebCardo polymers are a sub group of polymers where ring structures are pendent to the polymer backbone. The backbone carbons bonded to the pendent ring structures are … tsb branch newton aycliffe

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WebVarying both the pendant functional group and the spacing between functionalities alters the physical and chemical properties of the polymer. Incorporation of alkyl chains into the PE … WebNatural rubber is a polymer, a long, chain like molecule that contains repeating subunits. The term polymer comes from the Greek “poly” meaning many and “mer” meaning parts. The … WebThe T c c and T g both decrease with increasing PEG content since PLLA crystallizes more easily due to increased chain mobility and chain packing . As a result, Table 5 shows that by increasing the PEG content, the degree of crystallinity increases by 90% compared to neat PLLA and by up to 40% compared with the composite having 10 wt.% silica. tsb branch scott arms