Method to assess organoclay exfoliation and orientation in organoclay/polymer composites
US7300799B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Jun 24, 2005 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Apr 1, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/25
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for determining degree of organoclay delamination and degree of layer alignment in a polymer organoclay nanocomposite comprising one or more infrared light spectral measurements selected from the group consisting of (A) Si—O absorption bandwidth, (B) Si—O absorption band intensity, (C) Si—O absorption band area, and (D) Si—O absorption anisotropy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.