IT1249972B - Polpa d'amido, procedimento per la sua preparazione e suo impiego nella fabbricazione di carta e cartone. - Google Patents
Polpa d'amido, procedimento per la sua preparazione e suo impiego nella fabbricazione di carta e cartone.Info
- Publication number
- IT1249972B IT1249972B ITTO910610A ITTO910610A IT1249972B IT 1249972 B IT1249972 B IT 1249972B IT TO910610 A ITTO910610 A IT TO910610A IT TO910610 A ITTO910610 A IT TO910610A IT 1249972 B IT1249972 B IT 1249972B
- Authority
- IT
- Italy
- Prior art keywords
- cardboard
- paper
- starch
- temperature
- pulp
- Prior art date
Links
- 229920002472 Starch Polymers 0.000 title abstract 4
- 235000019698 starch Nutrition 0.000 title abstract 4
- 239000008107 starch Substances 0.000 title abstract 4
- 239000011111 cardboard Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 239000000701 coagulant Substances 0.000 abstract 1
- 238000010411 cooking Methods 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000011087 paperboard Substances 0.000 abstract 1
- 230000005070 ripening Effects 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003643 water by type Substances 0.000 abstract 1
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
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/40—Formation of filaments, threads, or the like by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Polpa d'amido, utile particolarmente per l'impiego nella produzione di carta e cartone, è prodotta iniettando una dispersione amidacea acquosa, preparata in continuo mediante cottura a getto di una sospensione d'amido in acqua con concentrazione da 5 a 40% in peso, a temperatura da 90 a 180°C, in un flusso primario di un agente coagulante a temperatura da 20 a 100°C, con rapporto di velocità fra flusso primario e secondario maggiore di 1:30 e sottoponendo la polpa a maturazione nelle proprie acque-madri per un tempo da 1 a 4 ore a temperatura da 20 a 40°C.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910610A IT1249972B (it) | 1991-07-31 | 1991-07-31 | Polpa d'amido, procedimento per la sua preparazione e suo impiego nella fabbricazione di carta e cartone. |
GB9215395A GB2258251B (en) | 1991-07-31 | 1992-07-20 | Starch pulp,process for its preparation and its application in the manufacture of paper and cardboard |
FR9209366A FR2681070B1 (fr) | 1991-07-31 | 1992-07-29 | Pate d'amidon, procede de production de cette pate, procede de production de papier ou de carton utilisant cette pate et composition de papier ou de carton obtenue par ce procede. |
BE9200691A BE1006059A5 (fr) | 1991-07-31 | 1992-07-30 | Pulpe d'amidon, procede pour sa preparation et son application dans la fabrication de papier et de carton. |
DE4225425A DE4225425C2 (de) | 1991-07-31 | 1992-07-31 | Stärkemasse, Verfahren zu ihrer Herstellung und ihre Verwendung in der Herstellung von Papier und Pappe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910610A IT1249972B (it) | 1991-07-31 | 1991-07-31 | Polpa d'amido, procedimento per la sua preparazione e suo impiego nella fabbricazione di carta e cartone. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO910610A0 ITTO910610A0 (it) | 1991-07-31 |
ITTO910610A1 ITTO910610A1 (it) | 1993-01-31 |
IT1249972B true IT1249972B (it) | 1995-03-30 |
Family
ID=11409536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO910610A IT1249972B (it) | 1991-07-31 | 1991-07-31 | Polpa d'amido, procedimento per la sua preparazione e suo impiego nella fabbricazione di carta e cartone. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE1006059A5 (it) |
DE (1) | DE4225425C2 (it) |
FR (1) | FR2681070B1 (it) |
GB (1) | GB2258251B (it) |
IT (1) | IT1249972B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5866251A (en) * | 1992-10-16 | 1999-02-02 | Eridania Beghin-Say | Device and process for the production of fibrious starch materials |
IT1256971B (it) * | 1992-10-16 | 1995-12-27 | Novamont Spa | Dispositivo e procedimento per la produzione di fibre di materiale amidaceo. |
DE9309693U1 (de) * | 1993-06-30 | 1994-01-27 | Stollewerk, Dieter, 50259 Pulheim | Tonerkartusche für Drucker oder Kopierer |
EP2246472A1 (en) | 2009-03-24 | 2010-11-03 | Mondi Limited South Africa | Process for preparing polysaccharide gel particles and pulp furnish for use in paper making |
JP2014535010A (ja) * | 2011-10-18 | 2014-12-25 | サイトマトリックス プロプライエタリー リミテッドCytomatrix Pty Ltd | 繊維形成方法及びその方法によって生成される繊維 |
CN105838585B (zh) * | 2016-06-01 | 2018-10-12 | 海南大学 | 硅藻培养装置与方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205025A (en) * | 1975-12-22 | 1980-05-27 | Champion International Corporation | Synthetic polymeric fibrids, fibrid products and process for their production |
CA1079016A (en) * | 1976-03-25 | 1980-06-10 | Donald S. Greif | Water insensitive starch fibers and a process for the production thereof |
US4340442A (en) * | 1978-11-06 | 1982-07-20 | Champion International Corporation | Starch fibrids useful in enhancing the physical properties of paper, and process of preparing same |
-
1991
- 1991-07-31 IT ITTO910610A patent/IT1249972B/it active IP Right Grant
-
1992
- 1992-07-20 GB GB9215395A patent/GB2258251B/en not_active Expired - Fee Related
- 1992-07-29 FR FR9209366A patent/FR2681070B1/fr not_active Expired - Fee Related
- 1992-07-30 BE BE9200691A patent/BE1006059A5/fr not_active IP Right Cessation
- 1992-07-31 DE DE4225425A patent/DE4225425C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ITTO910610A1 (it) | 1993-01-31 |
DE4225425A1 (de) | 1993-02-04 |
DE4225425C2 (de) | 2002-05-08 |
GB2258251A (en) | 1993-02-03 |
FR2681070B1 (fr) | 1994-10-28 |
GB9215395D0 (en) | 1992-09-02 |
GB2258251B (en) | 1995-03-22 |
BE1006059A5 (fr) | 1994-05-03 |
FR2681070A1 (fr) | 1993-03-12 |
ITTO910610A0 (it) | 1991-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940726 |