2013
DOI: 10.1021/sc400140y
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Tailored Structure and Properties of Injection-Molded Atactic Polypropylene/Isotactic Polypropylene Blend

Abstract: In the present work, atactic polypropylene (aPP)/isotactic polypropylene (iPP) with different aPP content was prepared through an injection-molding process to improve the toughness of iPP and make large scale use of aPP. The hierarchic structure of the injection-molded parts was characterized through differential scanning calorimetry (DSC), wide-angle X-ray diffraction (WAXD), small-angle Xray scattering (SAXS), and scanning electron microscopy (SEM). It was found that the network of iPP crystals was still int… Show more

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Cited by 14 publications
(15 citation statements)
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“…This result is in line with that reported by Lohse et al; that is, the 14 lattice parameters of iPP crystals were not changed by adding aPP [45]. In other 15words, even aPP is an adverse factor to the crystallization of iPP component as we16 reported in previous articles[12,43], the crystalline form of iPP was not influenced by lattice. Hence, only typical α-crystals can be observed in OSIM parts like in 1 common commercial injection-molded parts.…”
supporting
confidence: 90%
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“…This result is in line with that reported by Lohse et al; that is, the 14 lattice parameters of iPP crystals were not changed by adding aPP [45]. In other 15words, even aPP is an adverse factor to the crystallization of iPP component as we16 reported in previous articles[12,43], the crystalline form of iPP was not influenced by lattice. Hence, only typical α-crystals can be observed in OSIM parts like in 1 common commercial injection-molded parts.…”
supporting
confidence: 90%
“…Although aPP is an adverse factor in the formation of shish-kebabs according to in 12 situ optical observation with shear cell [12], during OSIM processing, in the melts samples, since no obvious difference of crystal form and crystallinity is observed in 20 OSIM samples (as shown in Fig. 8 and 9).…”
mentioning
confidence: 89%
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