UST101101I4 - Process for preparing a small particle size dispersion of a complex of 4,4'-methylenedianiline with a salt - Google Patents
Process for preparing a small particle size dispersion of a complex of 4,4'-methylenedianiline with a salt Download PDFInfo
- Publication number
- UST101101I4 UST101101I4 US06/220,853 US22085380A UST101101I4 US T101101 I4 UST101101 I4 US T101101I4 US 22085380 A US22085380 A US 22085380A US T101101 I4 UST101101 I4 US T101101I4
- Authority
- US
- United States
- Prior art keywords
- complex
- methylenedianiline
- particle size
- preparing
- salt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Preparing a dispersion of methylenedianiline/inorganic salt complex curing agent of small particle size which comprises: (a) agitating while reacting 3 moles of 4,4'-methylenedianiline with not less than 1 mole of a salt selected from the group consisting of sodium chloride, sodium bromide, sodium iodide, lithium chloride, lithium bromide and lithium iodide in the presence of water and a benzenoid hydrocarbon solvent for the methylenedianiline; (b) separating the resulting complex having an average particle size diameter of less than about 10 μm from the bulk of the hydrocarbon solvent; (c) drying said complex; and (d) dispersing said complex in a substantially nonvolatile liquid carrier that is inert to the complex; with the proviso that steps (c) and (d) can be carried out in any order or substantially simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/220,853 UST101101I4 (en) | 1979-11-26 | 1980-12-29 | Process for preparing a small particle size dispersion of a complex of 4,4'-methylenedianiline with a salt |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9723379A | 1979-11-26 | 1979-11-26 | |
| US06/220,853 UST101101I4 (en) | 1979-11-26 | 1980-12-29 | Process for preparing a small particle size dispersion of a complex of 4,4'-methylenedianiline with a salt |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US9723379A Continuation | 1979-11-26 | 1979-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST101101I4 true UST101101I4 (en) | 1981-10-06 |
Family
ID=22262321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US06/220,853 Pending UST101101I4 (en) | 1979-11-26 | 1980-12-29 | Process for preparing a small particle size dispersion of a complex of 4,4'-methylenedianiline with a salt |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | UST101101I4 (en) |
-
1980
- 1980-12-29 US US06/220,853 patent/UST101101I4/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STCF | Information on status: patent grant |
Free format text: PATENTED CASE |