Process of forming a stable colloidal dispersion
US5051205A · kind A · utility
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4References
8Claims
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Key dates
| Filing date | Apr 18, 1990 |
| Grant date | Sep 24, 1991 |
| Priority date | — |
| Expiry date | Apr 18, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2371/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method is disclosed to prepare a uniform, stable dispersion of an additive amount of a water-insoluble, high viscosity liquid polyalkylene glycol derivative in a substantially nonaqueous, water-soluble alkanolamine by combining under pressure a proportionate amount of the total polyglycol derivative to be added to the alkanolamine component, or mixture of alkanolamine and polyglycol derivative, subjecting the mixture to shear stress, and repeating the procedure until a uniform colloidal dispersion is obtained of the alkanolamine containing the desired additive amount of polyglycol derivative.
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