Acid modified natural filler to initialize the beta-nucleation of polypropylene
US9528003B2 · kind B2 · utility
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2References
16Claims
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Key dates
| Filing date | Nov 9, 2010 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Jul 20, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a composition for beta-nucleation of polypropylene, comprising: (a) a particulate mineral solid support, comprising a compound of a IUPAC Group 2 metal, and (b) on the surface of the particulate solid support (b1) a salt of a dicarboxylic acid, wherein the dicarboxylic acid has from 7 to 10 carbon atoms, and (b2) a dispersing and/or grinding agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.