BE455753A - - Google Patents
Info
- Publication number
- BE455753A BE455753A BE455753DA BE455753A BE 455753 A BE455753 A BE 455753A BE 455753D A BE455753D A BE 455753DA BE 455753 A BE455753 A BE 455753A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- acid
- treatments
- bast
- fibrous
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C1/00—Treatment of vegetable material
- D01C1/02—Treatment of vegetable material by chemical methods to obtain bast fibres
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
Description
<EMI ID=1.1>
<EMI ID=2.1>
chanvre et le lin, par enlèvement de la partie ligneuse' (décor- .
<EMI ID=3.1>
<EMI ID=4.1>
<EMI ID=5.1>
taires. Les'méthodes de désagrégation chimiques sont de nature variée. Ainsi, on emploie, par exemple, des bouillissages. '
en lessive sous ou sans pression, des traitements l'acide,
au chlore ou aux oxydants en combinaisons déterminées. Les pro-
<EMI ID=6.1>
substances pectiques et ligniniques dissoudre les produits
de la décomposition ou dégradation et effectuer ainsi une
<EMI ID=7.1>
<EMI ID=8.1>
<EMI ID=9.1>
partie, ne sont pas décomposées niais sont Seulement gonflées, donnent lieu des agglutinations souvent fortes, qui nuisent
<EMI ID=10.1>
bains réaction acide.
<EMI ID=11.1>
bain alcalin avant ou après le traitement par la solution acide eu entre deux traitements par la solution acide,
D'ailleurs, le traitement selon l'invention peut avoir lieu
<EMI ID=12.1>
Ion l'invention avec_un procède dans lequel le liber fibreux est d'abord traite 11 eau chaude, puis, en plusieurs étapes,
<EMI ID=13.1>
<EMI ID=14.1>
<EMI ID=15.1>
demi-heure . jJntre ces phases de traitement, on rince . Le deu-
<EMI ID=16.1>
Or. pressure la matière fibreuse et on la fait bouillir avec de
<EMI ID=17.1>
sion effective d'une atmosphère . ensuite, on continue à traiter la matière de la manière habituelle.-
<EMI ID=18.1>
ou de la mèche de préparation ou un produit semblable à un câble, formé d'étoupé verte et de ruban de carde,, par de. l'acide
<EMI ID=19.1>
Après cela,.on rince de nouveau et enfin on fait bouillir pendant une .demi-heure avec de la lessive de soude à environ
<EMI ID=20.1>
'1. Procède de désagrégation de liber fibreux (tiges à fibras libériennes 'décortiquées) , caractérisé en ce que la. matière
<EMI ID=21.1>
la pectine, de préférence par une solution d'oxalate, d'ammonium, et, de préférence avant cela, à un ou plusieurs traitements. par un bain d'acide ou par une solution acide, '
<EMI ID = 1.1>
<EMI ID = 2.1>
hemp and flax, by removing the woody part '(decor-.
<EMI ID = 3.1>
<EMI ID = 4.1>
<EMI ID = 5.1>
be silent. Chemical disaggregation methods are varied in nature. Thus, for example, boilings are used. '
in laundry under or without pressure, acid treatments,
chlorine or oxidants in specific combinations. Professionals-
<EMI ID = 6.1>
pectic and ligninic substances dissolve the products
decomposition or degradation and thus carry out
<EMI ID = 7.1>
<EMI ID = 8.1>
<EMI ID = 9.1>
part, are not decomposed but are only swollen, often give rise to strong agglutinations, which
<EMI ID = 10.1>
acid reaction baths.
<EMI ID = 11.1>
alkaline bath before or after the treatment with the acid solution or between two treatments with the acid solution,
Moreover, the treatment according to the invention can take place
<EMI ID = 12.1>
Ion the invention with_a process in which the fibrous bast is first treated with hot water, then, in several stages,
<EMI ID = 13.1>
<EMI ID = 14.1>
<EMI ID = 15.1>
half an hour. Between these treatment phases, it is rinsed. The second
<EMI ID = 16.1>
Or. Pressure the fibrous material and boil it with
<EMI ID = 17.1>
effective zion of an atmosphere. then we continue to process the material in the usual way.
<EMI ID = 18.1>
or preparation wick or a cable-like product formed from green tow and carding tape, by de. acid
<EMI ID = 19.1>
After that, rinse again and finally boil for half an hour with washing soda at about
<EMI ID = 20.1>
'1. Process for the disintegration of fibrous bast (stems with shelled bast fibers), characterized in that the. matter
<EMI ID = 21.1>
pectin, preferably with an oxalate or ammonium solution, and preferably before that, to one or more treatments. by an acid bath or by an acid solution, '
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE904457X | 1943-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE455753A true BE455753A (en) |
Family
ID=6861860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE455753D BE455753A (en) | 1943-05-11 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE455753A (en) |
| FR (1) | FR904457A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2950476B1 (en) | 2009-09-18 | 2011-09-16 | Schneider Electric Ind Sas | ASSEMBLY OF MULTIPOLAR CUTTING DEVICE WITH DOUBLE ENVELOPE AND CIRCUIT BREAKER COMPRISING SAME |
| FR2950475B1 (en) | 2009-09-18 | 2011-09-16 | Schneider Electric Ind Sas | FUNCTIONAL SPACER FOR SEPARATING BULBS IN MULTIPOLAR CUTTING DEVICE, AND CIRCUIT BREAKER |
-
0
- BE BE455753D patent/BE455753A/fr unknown
-
1944
- 1944-05-19 FR FR904457D patent/FR904457A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR904457A (en) | 1945-11-07 |
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