Optical brightening of shaped articles of synthetic polyesters and polyamides

    公开(公告)号:GB1045443A

    公开(公告)日:1966-10-12

    申请号:GB4392064

    申请日:1964-10-28

    Applicant: BASF AG

    Abstract: Synthetic linear polyester or polyamide shaped articles e.g fibres and films, are brightened by treating them from aqueous liquors or by means of print pastes with an aqueous dispersion of one or more of p-bis styrylbenzene having the formula (I) derivatives thereof which bear substituents on the benzene rings A, B1 and B2 and which are soluble in water to the extent of less than 1% by weight at 25 DEG C. and then fixing the compounds on the shaped articles at a temperature of 90 DEG -225 DEG C. The substituents on the benzene rings A1, B1 and B2 may be chlorine or bromine atoms or cyano, alkyl, alkoxy, alkyloyloxy, carbalkoxy, alkyl-carbamoyl or dialkylcarbamoyl groups, the alkyl radicals preferably containing up to four carbon atoms. Provided the compounds remain soluble in water to the extent of less than 1% by weight at 25 DEG C. hydroxyl, hydroxyalkyl, amino, alkylamino, carbamoyl and sulphonamide groups may also be substituents. The optical brightening agent may be p applied by the thermosol method on a padding machine as an aqueous dispersion which may contain thickeners, the treatment with the aqueous dispersion being followed by drying and a hot air treatment at 120 DEG -220 DEG C. in the case of polyamide materials and at 120 DEG -200 DEG C. in the case of polyester materials, or a treatment with superheated steam at 100 DEG -140 DEG C. Alternatively a high-temperature exhaustion method in which the material is maintained in the aqueous dispersion in a dyeing machine at a temperature above 100 DEG C. for 30-60 minutes and then dried at 90 DEG -225 DEG C. or an exhaustion method in which the material is introduced into the treatment liquor at 60 DEG -70 DEG C. and the temperature raised to 95 DEG -100 DEG C. for 30-60 minutes may be utilized. The aqueous dispersions may also contain dispersing agents, e.g. soaps, sulphite cellulose waste liquor, polyglycol ethers of fatty alcohols or fatty amines or condensation products of naphthalenesulphonic acids, substituted napthhalenesulphonic acids and formaldehyde, and in the case of polyester materials a carrier, e.g. dichlorobenzene, trichlorobenzene, o-phenylphenol, p-phenylphenol, benzoic acid, the p-chlorophenyl monoether of glycol and esters of benzoic acid. A disperse dye may be included in print pastes. The brightening may be effected in conjunction with chemical bleaching with sodium chlorite.

    Production of omega chloro- and bromo-tiglaldehyde and its acetal and acylate

    公开(公告)号:GB1037751A

    公开(公告)日:1966-08-03

    申请号:GB2118963

    申请日:1963-05-28

    Applicant: BASF AG

    Abstract: 4 - Chloro - and - bromo - 2 - formylbutene-(2) or acetals and acylates thereof are produced by treating 2-formyl-2-hydroxybutene-(3) or its acetals or acylates with thionyl chloride, thionyl bromide or phosgene in the presence of N,N-dialkyl substituted amides of low molecular weight fatty acids, including compound in which the N alkyl groups are connected to each other direct or via oxygen, or N-alkyl substituted lactams, optionally in the presence of anhydrous solvents when a concentration of 0.01 mol of the amide relative to the formyl-hydroxybutene is preferred. 2 - Formyl - 2 - hydroxybutene - (3) is prepared by hydrogenation, by the process of Specification 871,804, of 2 - formyl - 2 - hydroxybutyne-(3), itself obtained by reacting methylglyoxal acetal with acetylene. It is stated that the compounds prepared by the process of the invention find use in the preparation of the corresponding 4-hydroxy-2-formyl-butene-(2) compounds.

    Stabilised linear polyamides with carbon-amide groups in the chain

    公开(公告)号:GB1005808A

    公开(公告)日:1965-09-29

    申请号:GB2642062

    申请日:1962-07-10

    Applicant: BASF AG

    Abstract: A composition comprises 99.99 to 95% by weight of a linear polyamide or polyurethane and 0.01 to 5% by weight of a compound having the general formula A-R1-B or E-R1-D where R1 is a divalent aliphatic radical with 2 to 12 carbon atoms or a divalent aromatic radical; A is E is R2 is hydroxy, methoxy, propoxy or butoxy or -O-CH2-O- or -O-CH2-CH2-O where the oxygen atoms are attached directly to adjacent positions of the benzene nucleus; R3 is hydrogen, methyl, ethyl, propyl, isobutyl, hydroxy, methoxy, ethoxy, propoxy or butoxy or -O-CH2-O- or -O-CH2-CH2-O-where the oxygen atoms are attached directly to adjacent positions of the benzene nucleus; B is hydrogen, A, COOR4 (where R4 is an alkyl group with one to eight carbon atoms), NHR5 (where R5 is an alkyl group with from one to four carbon atoms or an aryl group), N(R6)2 (where R6 is an alkyl group with one to four carbon atoms, an alkoxy group with one to carbon atoms or an aryloxy group with six to twelve carbon atoms) and D is hydrogen, E, COOR4, NHR5, NR6, an alkoxy group with 1 to 4 carbon atoms or an aryloxy group with six to twelve carbon atoms. Specified polyamides are polyhexamethylene adipamide, polym-xylylene adipamide, polypyrrolidone, polypiperidone, poly-e -caprolactam, poly-caprylic lactam, polydodecylic lactam and poly-undecylic lactam. Specified poly-urethanes are those derived from 1 : 6-hexane diisocyanate and 1 : 4-butylene diol. In the examples: (1) e -caprolactam and hexamethylene diammonium adipate are co-polymerized in the presence of 3 : 4-methylene dioxybenzal-p-amino-diphenylamine; (2) e -capolactam is polymerized in the presence of (a) N : N1 : bis - 3 : 4-methylene-dioxybenzal - ethylenediamine; (b) N : N1-bis - 3 : 4 - methylenedioxybenzal - p - phenylene diamine; (c) N-benzal-p-aminodiphenylamine; (d) N-4-oxy-3 : 5-ditertiarybutyl-benzal - p - aminodiphenylamine; (e) N - 4 - oxy - 3 - methoxybenzal - p - aminodiphenylamine; (f) N - benzal - b - naphthylamine; (g) N - 4 - oxy - 3 - methoxybenzal - b - naphthylamine; (h) N - 3 : 4 - methylenedioxybenzal - b - naphthylamine; (i) N : N1 - bis - 3 : 4 - methylenedioxybenzal - hexamethylenediamine; (j) N - 3 : 4 - methylenedioxybenzal - p - ethylaminobenzoate; (k) N - phenyl - N1 - 3 : 41 - methylenedioxybenzal - 1 : 4 - phenylenediamine, and (1) N-3 : 4-methylenedioxybenzal-aniline.

    Production of chloromethylamidinium salts

    公开(公告)号:GB1000526A

    公开(公告)日:1965-08-04

    申请号:GB3955163

    申请日:1963-10-08

    Applicant: BASF AG

    Abstract: The invention comprises compounds of general formula in which R1 is alkyl (1-4 C), chloroalkyl (1-4 C) or phenyl which may have a chloro or nitro substituent, R2, R3 and R4 are hydrogen alkyl (1-4 C) or aryl (6-10 C), or R2 together with R3 or R4 may form a saturated ring having 5-7 ring members, or R3 and R4 may form a ring having 5-6 ring members and optionally in addition an oxygen atom; and their preparation by reacting a compound ClCH2.R1.N-CO-Cl with a compound R2-CO-N.R3.R4 at 0 DEG to 150 DEG C. Specification 946,397 is referred to.ALSO:Disinfectant compositions comprise aqueous solutions of chloromethylamidinium salts of general formula in which R1 is alkyl, chloroalkyl (1-4C) or phenyl which may have a chloro or nitro substituent, R2, R3 and R4 are hydrogen, alkyl (1-4C) or aryl (6-10C), or R2 together with R3 or R4 may form a saturated ring having 5-7 ring members, or R3 and R4 may form a ring having 5-6 members and optionally in addition an oxygen atom. 0.5-5% solutions for dipping or spraying are mentioned. Specification 946,397 is referred to.

    Synthetic tawing agents
    69.
    发明专利

    公开(公告)号:GB962434A

    公开(公告)日:1964-07-01

    申请号:GB959761

    申请日:1961-03-16

    Applicant: BASF AG

    Abstract: A synthetic tanning composition contains as a light protective agent, 0.001-0.1% of 1,4-bis-styryl benzene and/or one or more derivatives thereof containing on a benzene ring an alkyl, alkoxyl, carboxylic acid ester or amide, halogen, cyano hydroxyl or carboxyl radical. Specifications 913,735, 924,762, 929,436 and 948,267 are referred to.

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