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The quenched state of polypropylene
Author(s) -
Gailey J. A.,
Ralston R. H.
Publication year - 1964
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760040108
Subject(s) - polypropylene , materials science , hexagonal crystal system , crystallite , diffraction , annealing (glass) , thermal , differential thermal analysis , composite material , crystallography , optics , thermodynamics , physics , chemistry , metallurgy
There are several pieces of evidence in the published literature for the existence of a hexagonal crystalline form of polypropylene. Evidence obtained by infrared absorption, x‐ray diffraction, differential thermal analysis, and annealing experiments is consistent with the view that the quenched state of polypropylene is a truly crystalline one (presumably of hexagonal type) with a very small crystallite size.
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