ES444215A3 - Procedimiento para la preparacion simultanea de un diisocia-nato de 4,4-difenilmetano puro y de una mezcla de folifenil-polimetileno-poliisocianato. - Google Patents
Procedimiento para la preparacion simultanea de un diisocia-nato de 4,4-difenilmetano puro y de una mezcla de folifenil-polimetileno-poliisocianato.Info
- Publication number
- ES444215A3 ES444215A3 ES444215A ES444215A ES444215A3 ES 444215 A3 ES444215 A3 ES 444215A3 ES 444215 A ES444215 A ES 444215A ES 444215 A ES444215 A ES 444215A ES 444215 A3 ES444215 A3 ES 444215A3
- Authority
- ES
- Spain
- Prior art keywords
- mixture
- diisocyanate
- fraction
- translation
- pure
- 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.)
- Expired
Links
- 239000000203 mixture Substances 0.000 title abstract 5
- 125000005442 diisocyanate group Chemical group 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title abstract 2
- 229920001228 polyisocyanate Polymers 0.000 abstract 4
- 239000005056 polyisocyanate Substances 0.000 abstract 4
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 abstract 2
- HIFVAOIJYDXIJG-UHFFFAOYSA-N benzylbenzene;isocyanic acid Chemical class N=C=O.N=C=O.C=1C=CC=CC=1CC1=CC=CC=C1 HIFVAOIJYDXIJG-UHFFFAOYSA-N 0.000 abstract 2
- 238000009833 condensation Methods 0.000 abstract 2
- 230000005494 condensation Effects 0.000 abstract 2
- 210000003918 fraction a Anatomy 0.000 abstract 2
- 238000004508 fractional distillation Methods 0.000 abstract 2
- 125000003118 aryl group Chemical group 0.000 abstract 1
- DYDNPESBYVVLBO-UHFFFAOYSA-N formanilide Chemical compound O=CNC1=CC=CC=C1 DYDNPESBYVVLBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000012719 thermal polymerization Methods 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES444215A ES444215A3 (es) | 1976-01-12 | 1976-01-12 | Procedimiento para la preparacion simultanea de un diisocia-nato de 4,4-difenilmetano puro y de una mezcla de folifenil-polimetileno-poliisocianato. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES444215A ES444215A3 (es) | 1976-01-12 | 1976-01-12 | Procedimiento para la preparacion simultanea de un diisocia-nato de 4,4-difenilmetano puro y de una mezcla de folifenil-polimetileno-poliisocianato. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES444215A3 true ES444215A3 (es) | 1977-04-16 |
Family
ID=8470698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES444215A Expired ES444215A3 (es) | 1976-01-12 | 1976-01-12 | Procedimiento para la preparacion simultanea de un diisocia-nato de 4,4-difenilmetano puro y de una mezcla de folifenil-polimetileno-poliisocianato. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES444215A3 (es) |
-
1976
- 1976-01-12 ES ES444215A patent/ES444215A3/es not_active Expired
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