Polypropylene molded article and method for manufacturing the same
US9132584B2 · kind B2 · utility
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2References
6Claims
0Family size
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Key dates
| Filing date | Oct 27, 2014 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Oct 27, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L23/12
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A polypropylene molded article has a crystallinity degree of 48% or more by wide-angle X-ray diffraction measurement. The half width of an orientation peak in an azimuth angular distribution obtained by wide-angle X-ray diffraction measurement on the polypropylene molded article is 5.5° or less, and the long period of the polypropylene molded article obtained by small-angle X-ray scattering measurement is 12 nm or more and 16 nm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.