Polyolefin particles and process for preparing the same
US4746706A · kind A · utility
5Cited by
11References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 2, 1987 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Mar 2, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/907
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyolefin particles having a halogenated surface region, which are prepared by irradiating ultraviolet rays to an aqueous dispersion of polyolefin particles in the presence of a halogen gas. The polyolefin particles having a halogenated surface region have an improved property of retaining volatile blowing agents and can provide expandable particles having an improved storability in the open state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.