IT966094B - Polimeri dello acido 2 acrilammido 2 metilpropansolfonico come mezzi di ritenzione e di drenaggio nella produzione della carta - Google Patents
Polimeri dello acido 2 acrilammido 2 metilpropansolfonico come mezzi di ritenzione e di drenaggio nella produzione della cartaInfo
- Publication number
- IT966094B IT966094B IT5303572A IT5303572A IT966094B IT 966094 B IT966094 B IT 966094B IT 5303572 A IT5303572 A IT 5303572A IT 5303572 A IT5303572 A IT 5303572A IT 966094 B IT966094 B IT 966094B
- Authority
- IT
- Italy
- Prior art keywords
- methylpropansulphone
- acrylamide
- retention
- polymers
- acid
- 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
-
- 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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- 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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
-
- 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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
- D21H17/43—Carboxyl groups or derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18715371A | 1971-10-06 | 1971-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT966094B true IT966094B (it) | 1974-02-11 |
Family
ID=22687811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5303572A IT966094B (it) | 1971-10-06 | 1972-09-28 | Polimeri dello acido 2 acrilammido 2 metilpropansolfonico come mezzi di ritenzione e di drenaggio nella produzione della carta |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS4845603A (de) |
BE (1) | BE789727A (de) |
CH (1) | CH575046A5 (de) |
DE (1) | DE2248752A1 (de) |
DK (1) | DK139848B (de) |
FR (1) | FR2155599A5 (de) |
GB (1) | GB1401353A (de) |
IT (1) | IT966094B (de) |
LU (1) | LU66232A1 (de) |
NL (1) | NL7212792A (de) |
NO (1) | NO134311C (de) |
SE (1) | SE379071B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3018081A1 (de) * | 1980-05-12 | 1981-11-19 | Basf Ag, 6700 Ludwigshafen | Anionische dispersionen fuer die oberflaechenleimung von papier |
DE3027236C2 (de) * | 1980-07-18 | 1985-08-01 | Chemische Fabrik Stockhausen GmbH, 4150 Krefeld | Terpolymere aus 2-Acrylamido-2-methyl-propansulfonsäure, Acrylamid und Acrylsäure in Form ihrer Salze, Verfahren zur Herstellung dieser Terpolymeren und Verwendung zur Verhinderung von Inkrustationen in wäßrigen Systemen |
JPS58180696A (ja) * | 1982-04-19 | 1983-10-22 | 王子製紙株式会社 | 紙の製造方法 |
CA1225793A (en) * | 1983-03-11 | 1987-08-18 | Union Carbide Corporation | High molecular weight water-soluble polymers and flocculation method using same |
US4599390A (en) * | 1983-03-11 | 1986-07-08 | Union Carbide Corporation | High molecular weight water-soluble polymers and flocculation method using same |
EP0119493A1 (de) * | 1983-03-16 | 1984-09-26 | American Cyanamid Company | Verwendung von Copolymeren der 2-Acrylamido-2-Methylpropan-Sulfonsäure zur Verbesserung des Zurückhaltevermögens und der Entwässerung in der Papierherstellung |
DE3468458D1 (en) * | 1983-06-15 | 1988-02-11 | American Cyanamid Co | Manufacture of paper using copolymers of 2-acrylamido-2-methylpropane sulfonic acid for increasing rate of dewatering of high mechanical/thermomechanical pulp furnishes |
JPH0727159A (ja) * | 1993-07-08 | 1995-01-27 | Toshikazu Okuno | 圧縮コイルばね |
-
0
- BE BE789727D patent/BE789727A/xx unknown
-
1972
- 1972-09-19 NO NO333672A patent/NO134311C/no unknown
- 1972-09-20 DK DK463272A patent/DK139848B/da unknown
- 1972-09-21 NL NL7212792A patent/NL7212792A/xx unknown
- 1972-09-21 SE SE1218072A patent/SE379071B/xx unknown
- 1972-09-28 IT IT5303572A patent/IT966094B/it active
- 1972-10-02 GB GB4542872A patent/GB1401353A/en not_active Expired
- 1972-10-04 LU LU66232D patent/LU66232A1/xx unknown
- 1972-10-05 DE DE19722248752 patent/DE2248752A1/de not_active Ceased
- 1972-10-05 CH CH1454072A patent/CH575046A5/xx not_active IP Right Cessation
- 1972-10-05 FR FR7235333A patent/FR2155599A5/fr not_active Expired
- 1972-10-06 JP JP9994172A patent/JPS4845603A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2155599A5 (de) | 1973-05-18 |
GB1401353A (en) | 1975-07-16 |
NL7212792A (de) | 1973-04-10 |
NO134311C (de) | 1976-09-15 |
JPS4845603A (de) | 1973-06-29 |
DE2248752A1 (de) | 1973-04-12 |
LU66232A1 (de) | 1973-04-13 |
DK139848B (da) | 1979-04-30 |
BE789727A (fr) | 1973-04-05 |
CH575046A5 (de) | 1976-04-30 |
DK139848C (de) | 1979-10-08 |
NO134311B (de) | 1976-06-08 |
SE379071B (de) | 1975-09-22 |
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