1984
DOI: 10.1007/bf02340338
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Influence of drawing on molecular mobility in polypropylene fibres studied by nuclear magnetic resonance

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Cited by 2 publications
(2 citation statements)
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“…The temperature dependencies of the second moment M 2 calculated from the NMR spectra measured on the i ‐PP, EPDM rubber, and i ‐PP/EPDM blend are depicted in Figure 3. In the case of i ‐PP the temperature dependency of the second moment M 2 agrees with results described in our previous studies 11, 12. The second moment takes up the values of about 16 × 10 −4 T 2 at temperatures below 270 K. It is known that the CH 3 side‐group rotations and rigid main chains are responsible for this value 13, 14.…”
Section: Resultssupporting
confidence: 91%
“…The temperature dependencies of the second moment M 2 calculated from the NMR spectra measured on the i ‐PP, EPDM rubber, and i ‐PP/EPDM blend are depicted in Figure 3. In the case of i ‐PP the temperature dependency of the second moment M 2 agrees with results described in our previous studies 11, 12. The second moment takes up the values of about 16 × 10 −4 T 2 at temperatures below 270 K. It is known that the CH 3 side‐group rotations and rigid main chains are responsible for this value 13, 14.…”
Section: Resultssupporting
confidence: 91%
“…There are several papers dealing with relaxation properties of the partially crystalline PP by using the pulsed NMR techniques [1][2][3][4][5][6]. A lot of investigators [4,7,8] analysed the broad-line NMR spectrum.…”
Section: Introductionmentioning
confidence: 99%