Methods for making polymer particulates in gel form
US9133337B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2013 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Oct 11, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B3/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods for making polymer particles in gel form via an emulsion and/or suspension process are provided. The method can include preparing a reactant mixture comprising a carrier fluid and a monomer component containing one or more phenolic compounds and optionally one or more crosslinking compounds, a mixture of Maillard reactants, or a combination thereof. The monomer component can polymerize to form the polymer particles in gel form. The reactant mixture can be located within a reactor having one or more inner surfaces in contact with the reactant mixture during polymerization of the monomer component. The one or more inner surfaces limit a release of metal, metal ions, or a combination thereof into the reactant mixture to produce the polymer particles in gel form containing less than 1 wt % metal atoms, metal ions, or a combination thereof, based on the total weight of the polymer particles in gel form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.