PL34498B1 - - Google Patents
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- Publication number
- PL34498B1 PL34498B1 PL34498A PL3449848A PL34498B1 PL 34498 B1 PL34498 B1 PL 34498B1 PL 34498 A PL34498 A PL 34498A PL 3449848 A PL3449848 A PL 3449848A PL 34498 B1 PL34498 B1 PL 34498B1
- Authority
- PL
- Poland
- Prior art keywords
- anhydrous
- aluminum
- alloys
- mixture
- phenol
- Prior art date
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- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 5
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000005660 chlorination reaction Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229930003836 cresol Natural products 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 238000010908 decantation Methods 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 241001069515 Grania <Rhodophyta> Species 0.000 claims 1
- 229920003987 resole Polymers 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Description
Bezwodny chlorek glinu jest ^dobrym kata¬ lizatorem dla wielu reakcji chemicznych. Nor¬ malnie otrzymuje sie go w procesie chlorowa¬ nia glinu metalicznego w temperaturze czerwo¬ nego zaru, przy czym wytworzony bezwodny chlorek glinu zbiera sie w zimniejszych cze¬ sciach aparatury.Znane sa równiez sposoby otrzymywania te¬ go zwiazku przez chlorowanie tlenku glinu w obecnosci wegla za pomoca chloru, lub chloro¬ wodoru.Bezwodny techniczny chlorek glinu jest jednak czesto zanieczyszczony tlenowymi pola¬ czeniami glinu, powstajacymi podczas jego wy¬ twarzania, lub przy jego zetknieciu sie z wil- ¦ gotnym powietrzem w czasie transportu i. prze¬ chowywania.W przypadkach stosowania chlorku glinu, w których zanieczyszczenia te sa szkodliwe dla procesu, celowe jest wytwarzanie go bezposre¬ dnio przed uzyciem.Sposób, który stanowi istote powyzszego wynalazku, polega na wprowadzaniu do bez¬ wodnego fenolu, krezolu, lub ich mieszaniny — glinu metalicznego, lub Jego stopów i po ogrza¬ niu otrzymanej mieszaniny do temperatury wyz¬ szej od 400C, dzialaniu na nia bezwodnym chlo¬ rowodorem.W warunkach tych powstaje bezwodny chlorek glinu, niezawierajacy zwiazków tleno¬ wych glinu, w postaci roztworu, który moze byc uzyty do reakcji chemicznych pomiedzy fenolem, krezolem lub ich mieszanina i innymi zwiazkami chemicznymi.Chlorowanie w tych warunkach glinu, lub Jego stopów, nastepuje w temperaturze okolo 400C i przebiega tym azybciej, im wyzsza jest temperatura i im bardziej rozdrobniony jest metal.Ilosc dodawanego metalu w stosunku do rozpuszczalnika mozna dobferac w szerokich granicach, lecz oczywiscie najlepiej dodawac go w ilosciach niezbednych do uzyskania wlasciwe¬ go dzialania katalitycznego.Przy uzyciu stopów glinu, np. duralumi- nium, zamiast czystego glinu, powstaja obok chlorku glinu, który przechodzi do roztworu, zwiazki innych metali trudno rozpuszczalne w fenolu, krezolu lub ich mieszaninie a wiec latwe do oddzielenia przez dekantacje lub sa¬ czenie. PLAnhydrous aluminum chloride is a good catalyst for many chemical reactions. Normally it is obtained by chlorination of metallic aluminum at a temperature of red heat, with the produced anhydrous aluminum chloride being collected in colder parts of the apparatus. There are also known methods of obtaining this compound by chlorination of aluminum oxide in the presence of carbon by means of chlorine or hydrogen chloride. Anhydrous technical aluminum chloride, however, is often contaminated with oxygen volatiles formed during its production, or when it comes into contact with moist air during transport and storage. In cases where aluminum chloride is used in which these impurities are detrimental to the process, it is expedient to prepare it immediately before use. The method which constitutes the essence of the above invention consists in introducing into anhydrous phenol, cresol, or their mixture - aluminum metal or its alloys and after heating the mixture obtained to a temperature higher than 40 ° C, treatment with anhydrous chlorine Under these conditions, anhydrous aluminum chloride is formed, free of aluminum oxides, in the form of a solution that can be used for chemical reactions between phenol, cresol or their mixture and other chemical compounds. Chlorination under these conditions of aluminum or its alloys, it takes place at a temperature of about 40 ° C and it proceeds faster, the higher the temperature and the finer the metal. When aluminum alloys, for example duraluminium are used, instead of pure aluminum, compounds of other metals, which are difficult to dissolve in phenol, cresol or their mixture, are formed in addition to the aluminum chloride which passes into solution, and therefore easy to separate by decantation or sieving. PL
Claims (3)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL34498B1 true PL34498B1 (en) | 1951-08-31 |
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