GB811723A - Process for producing fast dyeings on shaped structures of aromatic polyesters - Google Patents
Process for producing fast dyeings on shaped structures of aromatic polyestersInfo
- Publication number
- GB811723A GB811723A GB22679/55A GB2267955A GB811723A GB 811723 A GB811723 A GB 811723A GB 22679/55 A GB22679/55 A GB 22679/55A GB 2267955 A GB2267955 A GB 2267955A GB 811723 A GB811723 A GB 811723A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkyl
- dyestuffs
- shaped structures
- aromatic polyesters
- producing fast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; 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)
- Coloring (AREA)
Abstract
Aromatic polyester fibres, yarns, fabrics and ribbons are dyed with an aqueous suspension of an azo dyestuff of the formula: <FORM:0811723/IV (c)/1> in which X1 represents as an optional substituent a halogen atom or an alkyl or alkoxy group and X2 represents as an optional substituent a halogen atom or an alkyl, alkoxy or nitro group. Dyeing is preferably effected at an elevated temperature. Several dyestuffs of the above formula are specified. The dyestuffs may be prepared by alkylating the corresponding hydroxy-azo-dyestuffs or by coupling a diazotized base that couples energetically, such as 4-nitro-1-aminobenzene, with a 1 : 3-dialkoxybenzene or a 1-alkyl-3-alkoxybenzene.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE811723X | 1954-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB811723A true GB811723A (en) | 1959-04-08 |
Family
ID=6728451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22679/55A Expired GB811723A (en) | 1954-08-07 | 1955-08-05 | Process for producing fast dyeings on shaped structures of aromatic polyesters |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB811723A (en) |
-
1955
- 1955-08-05 GB GB22679/55A patent/GB811723A/en not_active Expired
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