ES368037A1 - Procedure for the preparation of modified polyvinyl alcohols. (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the preparation of modified polyvinyl alcohols. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES368037A1 ES368037A1 ES368037A ES368037A ES368037A1 ES 368037 A1 ES368037 A1 ES 368037A1 ES 368037 A ES368037 A ES 368037A ES 368037 A ES368037 A ES 368037A ES 368037 A1 ES368037 A1 ES 368037A1
- Authority
- ES
- Spain
- Prior art keywords
- translation
- preparation
- machine
- legally binding
- google translate
- 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
- 229920002451 polyvinyl alcohol Polymers 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 title 1
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 1
- 150000001298 alcohols Chemical class 0.000 abstract 1
- 150000001299 aldehydes Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/28—Condensation with aldehydes or ketones
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Process for the preparation of water soluble polyvinyl alcohol alcohols with acotal contents of up to 10% by reaction of polyvinyl alcohol with aldehydes in acid medium, characterized in that the reaction is carried out in a heterogeneous phase with polyvinyl alcohol which is present in suspended form. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681770580 DE1770580A1 (en) | 1968-06-06 | 1968-06-06 | Process for the production of modified polyvinyl alcohols |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES368037A1 true ES368037A1 (en) | 1971-05-01 |
Family
ID=5700560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES368037A Expired ES368037A1 (en) | 1968-06-06 | 1969-06-04 | Procedure for the preparation of modified polyvinyl alcohols. (Machine-translation by Google Translate, not legally binding) |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE734224A (en) |
| BR (1) | BR6909530D0 (en) |
| DE (1) | DE1770580A1 (en) |
| ES (1) | ES368037A1 (en) |
| FR (1) | FR2010293A1 (en) |
| NL (1) | NL6907931A (en) |
| NO (1) | NO131803C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1176058B (en) * | 1959-07-29 | 1964-08-13 | Demag Zug Gmbh | Stacking device for ring-shaped goods, especially wire bundles |
| DE1180318B (en) * | 1961-02-13 | 1964-10-22 | Gevaert Photo Prod Nv | Lift truck |
| DE1194771B (en) * | 1961-09-02 | 1965-06-10 | Demag Zug Gmbh | Shelf stacking device with swiveling support frame on the lifting carriage |
| DE3417876C2 (en) * | 1984-05-14 | 1987-05-14 | Windmöller & Hölscher, 4540 Lengerich | Device for stacking objects |
| DE3825104A1 (en) * | 1988-07-23 | 1990-02-01 | Wolfgang Dr Zimmermann | HEAT-STABILIZED POLYVINYL ALCOHOL AND A METHOD FOR THE PRODUCTION THEREOF |
-
1968
- 1968-06-06 DE DE19681770580 patent/DE1770580A1/en active Pending
-
1969
- 1969-05-23 NL NL6907931A patent/NL6907931A/xx unknown
- 1969-05-29 NO NO221869A patent/NO131803C/no unknown
- 1969-06-04 ES ES368037A patent/ES368037A1/en not_active Expired
- 1969-06-06 BE BE734224D patent/BE734224A/xx unknown
- 1969-06-06 BR BR20953069A patent/BR6909530D0/en unknown
- 1969-06-06 FR FR6918718A patent/FR2010293A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BR6909530D0 (en) | 1973-01-04 |
| NO131803B (en) | 1975-04-28 |
| FR2010293A1 (en) | 1970-02-13 |
| BE734224A (en) | 1969-12-08 |
| NL6907931A (en) | 1969-12-09 |
| DE1770580A1 (en) | 1971-11-04 |
| NO131803C (en) | 1975-08-06 |
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