AT272065B - Verfahren zur Verbesserung der Verarbeitung von wässerigen Cellulosefasersuspensionen - Google Patents
Verfahren zur Verbesserung der Verarbeitung von wässerigen CellulosefasersuspensionenInfo
- Publication number
- AT272065B AT272065B AT19368A AT19368A AT272065B AT 272065 B AT272065 B AT 272065B AT 19368 A AT19368 A AT 19368A AT 19368 A AT19368 A AT 19368A AT 272065 B AT272065 B AT 272065B
- Authority
- AT
- Austria
- Prior art keywords
- improving
- processing
- cellulose fiber
- fiber suspensions
- aqueous cellulose
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/57—Polyureas; Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G71/00—Macromolecular compounds obtained by reactions forming a ureide or urethane link, otherwise, than from isocyanate radicals in the main chain of the macromolecule
- C08G71/02—Polyureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/02—Polyureas
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF0051225 | 1967-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT272065B true AT272065B (de) | 1969-06-25 |
Family
ID=7104436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT19368A AT272065B (de) | 1967-01-11 | 1968-01-09 | Verfahren zur Verbesserung der Verarbeitung von wässerigen Cellulosefasersuspensionen |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT272065B (fi) |
| BE (1) | BE709235A (fi) |
| CH (1) | CH506656A (fi) |
| FR (1) | FR1553208A (fi) |
| GB (1) | GB1223311A (fi) |
-
1968
- 1968-01-09 CH CH26168A patent/CH506656A/de not_active IP Right Cessation
- 1968-01-09 AT AT19368A patent/AT272065B/de active
- 1968-01-11 BE BE709235D patent/BE709235A/xx unknown
- 1968-01-11 GB GB166868A patent/GB1223311A/en not_active Expired
- 1968-01-11 FR FR1553208D patent/FR1553208A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE709235A (fi) | 1968-07-11 |
| FR1553208A (fi) | 1969-01-10 |
| CH506656A (de) | 1971-04-30 |
| GB1223311A (en) | 1971-02-24 |
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