BE454178A - - Google Patents
Info
- Publication number
- BE454178A BE454178A BE454178DA BE454178A BE 454178 A BE454178 A BE 454178A BE 454178D A BE454178D A BE 454178DA BE 454178 A BE454178 A BE 454178A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- weight
- methylene chloride
- product
- condensation
- Prior art date
Links
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000007859 condensation product Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000011541 reaction mixture Substances 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000004985 diamines Chemical class 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- ZBRMQUTUWSTQKD-UHFFFAOYSA-N 1-hydroxyethyl carbonochloridate Chemical compound CC(O)OC(Cl)=O ZBRMQUTUWSTQKD-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical class ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 240000000528 Ricinus communis Species 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
<EMI ID=1.1>
paration de ces produits ".
Dans le brevet principal, la Demanderesse a déorit un procédé de préparation de produits de condensation à poids moléoulaire élevé à partir de diamines et de dichloro-carbonates de
<EMI ID=2.1>
désigne une chaîne carbonée qui peut être interrompue par des hétéro-atones ou par des groupes d'hétéro-atomes et qui possède au moins 4 membres.
Or, la Demanderesse a trouvé que l'on peut obtenir des produits de condensation à poids moléculaire élevé présentant
<EMI ID=3.1>
tes de diols répondant à la formule HO.X.OH dans laquelle X désigne une chaîne carbonée à 2 ou 3 membres.
Cornue matières premières propres à la préparation des di-
<EMI ID=4.1>
glyool, le 1.2-propylène-glyool, le 1.3-propylène-glyool, le
1.2-butylène-glyool, le 1.3-butylène-glyool, le 1.2-pentane-
<EMI ID=5.1>
tat dilué. On peut utiliser, dans ces opérations, soit de l'eau, soit des solvants organiques, tels que le chlorure de méthylène, le chloroforme, le tétrachlorure de carbone, le benzène ou le toluène. Afin de fixer l'acide chlorhydrique qui se forme au oours de la réaction on peut utiliser la diamine en excès ou effectuer la réaction en présence d'autres agents susceptibles dL retenir l'acide, tels que les hydrates d'alcali ou les carbonates d'alcali. On peut effectuer la réaction des constituants en mélangeant des solutions aqueuses de diamines, en pré-
<EMI ID=6.1>
ricin.
<EMI ID=7.1>
solubles dans l'eau et dans la plupart des solvants organiques.
<EMI ID=8.1>
de viscosité plus ou moins élevas, dans l'acide sulfurique con-
<EMI ID=9.1>
modifiant les conditions de la réaction, par exemple la concen-
<EMI ID=10.1>
léoultiire entre le di-chlorooarbonate et la dianine et la température, on peut influencer le degré de condensation dans une
<EMI ID=11.1>
produits isolés à l'action prolongée de températures élevées.
un peut utiliser les produits de diverses façons pour la
<EMI ID=12.1>
fibres artificielles.
<EMI ID=13.1>
<EMI ID=14.1>
chlorocarbonate d'éthane-diol dans 40J parties en volume de ben-
<EMI ID=15.1>
<EMI ID=16.1>
<EMI ID=17.1>
<EMI ID=18.1>
lange pour que le benzène total mélangé d'une petite portion d'eau s'élimine par distillation. Après refroidissement on filtre par aspiration et on lave le produit jusqu'à ce qu'il soit exempt de chlore. On obtient le produit séché sous forme d'une
<EMI ID=19.1>
<EMI ID=20.1>
<EMI ID=21.1>
<EMI ID=22.1>
<EMI ID = 1.1>
paration of these products ".
In the main patent, the Applicant has deorit a process for the preparation of high molecular weight condensation products from diamines and dichlorocarbonates of
<EMI ID = 2.1>
denotes a carbon chain which can be interrupted by heteroatons or by groups of heteroatoms and which has at least 4 members.
However, the Applicant has found that it is possible to obtain high molecular weight condensation products exhibiting
<EMI ID = 3.1>
your diols corresponding to the formula HO.X.OH in which X denotes a carbon chain with 2 or 3 members.
Retorts raw materials suitable for the preparation of di-
<EMI ID = 4.1>
glyool, 1.2-propylene-glyool, 1.3-propylene-glyool,
1.2-butylene-glyool, 1.3-butylene-glyool, 1.2-pentane-
<EMI ID = 5.1>
diluted state. In these operations, either water or organic solvents can be used, such as methylene chloride, chloroform, carbon tetrachloride, benzene or toluene. In order to fix the hydrochloric acid which forms during the reaction one can use the diamine in excess or carry out the reaction in the presence of other agents capable of retaining the acid, such as the hydrates of alkali or the carbonates of the acid. 'alkali. The reaction of the components can be carried out by mixing aqueous solutions of the diamines, before
<EMI ID = 6.1>
castor oil plant.
<EMI ID = 7.1>
soluble in water and in most organic solvents.
<EMI ID = 8.1>
of more or less high viscosity, in sulfuric acid con-
<EMI ID = 9.1>
modifying the reaction conditions, for example the concentration
<EMI ID = 10.1>
the difference between the di-chlorooarbonate and the dianine and the temperature, we can influence the degree of condensation in a
<EMI ID = 11.1>
isolated products with prolonged action of high temperatures.
one can use the products in various ways for the
<EMI ID = 12.1>
artificial fibers.
<EMI ID = 13.1>
<EMI ID = 14.1>
ethane-diol chlorocarbonate in 40J parts by volume of ben-
<EMI ID = 15.1>
<EMI ID = 16.1>
<EMI ID = 17.1>
<EMI ID = 18.1>
mixture so that the total benzene mixed with a small portion of water is removed by distillation. After cooling, the product is suction filtered and the product washed until it is free of chlorine. The dried product is obtained in the form of a
<EMI ID = 19.1>
<EMI ID = 20.1>
<EMI ID = 21.1>
<EMI ID = 22.1>
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454178A true BE454178A (en) |
Family
ID=108384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454178D BE454178A (en) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE454178A (en) |
-
0
- BE BE454178D patent/BE454178A/fr unknown
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