Method for setting conditions for use of polymerization catalyst, polymerization condition setting method, and method for manufacturing optical material
US12252586B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2020 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Mar 24, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2125/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for setting conditions for use of a polymerization catalyst includes a step of acquiring a physical property value derived from remaining functional groups after maintaining a temperature of a composition including a polymerization-reactive compound and a predetermined amount of a polymerization catalyst, a step of calculating a remaining functional group ratio from the physical property value, a step of calculating a reaction rate constant based on a reaction rate equation from the remaining functional group ratio, a step of calculating an activation energy and a frequency factor from the reaction rate constant using an Arrhenius plot, a step of determining whether or not the activation energy satisfies a predetermined condition for the polymerization catalyst, an step of setting an approximation equation from the frequency factor, and a step of setting an addition range with respect to the polymerization-reactive compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.