Method for the coating or encapsulation of fluidizable substrates
US6093493A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1998 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Jun 17, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for the reactive coating or reactive encapsulation of fluidizable, organic or inorganic, anisotropic or isotropic substrates with a cross-linking, thermostable and insoluble thermoset by spraying onto substrates a cationically curing one-pot liquid resin system comprising a cationic initiator, which method comprises fluidizing the substrates in a fluidized-bed coater at a temperature above the activation temperature of the cationic initiator and then injecting the one-pot liquid resin system into the fluidized-bed coater through a spraying device, the one-pot liquid resin system having a gelling time of from 1 to 60 seconds at from 100 to 150.degree. C., results in unagglomerated substrates having a cross-linked, thermostable and homogeneous coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.