ISSN:
0021-8995
Keywords:
Chemistry
;
Polymer and Materials Science
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
,
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
,
Physics
Notes:
The skin-core structure of various injection-molded samples of PP differing by molecular weight and the injection conditions - essentially injection rate and holding pressure - has been studied by microscopy, DSC, WAXS, and IR dichroïsm on microtome sections. The depth distributions of the degree of crystallinity, macromolecular orientation, and beta phase fraction reveal a complex stratification of the morphology. The importance of the holding pressure and its delay of application after the mold filling are underlined.
Additional Material:
15 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/app.1987.070340101
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