摘要:
The present invention provides new compounds having the formula: in which X is O or, preferably, NH; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R1, independently, is an aminoacid residue from which a hydrogen atom on the amino group has been removed; n is 1 or 2; and each R2, independently, is hydrogen, C1-C3alkyl, halogen, cyano, COOR in which R is hydrogen or C1-C3alkyl, CONH—R in which R has its previous significance, SO2NH—R in which R has its previous significance, NH—COR in which R has its previous significance, SO3M in which M has its previous significance or, when n is 1, R2 can also be CO—R3 in which R3 is C1-C3alkyl or phenyl; provided that those compounds are excluded in which a) X is NH, n is 1 and R2 is SO3M in which M has its previous significance; or b) X is NH, n is 2 and one R2 is SO3M in which M has its previous significance, and the other R2 is hydrogen, methyl or halogen; or c) X is NH, n is 1, R1 is glycine and R2 is H or CO2H; or d) X is NH, n is 2, each R2 is SO3M in which M has its previous significance and the SO3M groups are in 2,5-positions in the phenyl ring and R1 is D,L-alanine, L-valine, L-leucine, L-isoleucine, L-threonine, L-aspartic acid, L-glutamic acid, L-phenylalanine, L-proline, D,L-methionine or glycine. Most of the new class of 4,4′-diaminostilbene-2,2′-disulfonic acid compounds are useful as fluorescent whitening agents, especially for paper.
摘要:
A process for fireproofing polyester fibers is provided in which a substituted mono- or disulphurylamide of the formula ##STR1## wherein n is 1 or 2, R are aromatic, cycloaliphatic or aliphatic radicals or hydrogen and A is alkylene or an ammonium salt of such a sulphurylamide is applied to the fiber material which is then dried and subjected to a heat treatment. The sulphurylamide may also be applied in the presence of a dispersant, a protective colloid and/or water. The composition of matter for performing this process is also provided.
摘要:
A s-Triazine of the formula ##STR1## wherein X, Y and Z are radicals of the formula ##STR2## and R are aromatic, cycloaliphatic or aliphatic radicals or hydrogen is provided. The process for the manufacture of such s-Triazines is also provided as well as a process for fireproofing polyester fibres with such s-Triazines. The s-Triazine may also be applied in the presence of a dispersant, a protective colloid and/or water. The composition of matter for performing this process is also provided.
摘要:
Phosphorus-containing reaction products are provided which are formed from:A. an amidophosphate of the formula ##STR1## in which R.sub.1 and R.sub.2 each are lower alkyl, halogenoalkyl or alkenyl or R.sub.1 and R.sub.2 together are lower alkylene;B. a 1,3,5-triazine substituted by at least 2 primary amino groups;C. formaldehyde and, optionally,D. a lower alkanol.These phosphorus-containing reaction products are useful as flameproofing agents for cellulose-containing fiber materials.
摘要:
A process for flameproofing polyurethanes, particularly polyurethane foams, is provided. It consists in adding a reaction product from dimethyl methanephosphonate, an aliphatic diol or triol and a lower epoxide to the polyurethane components. These reaction products are non-uniform mixtures of different esters of methane phosphonic acid.
摘要:
The invention relates to a composition comprising a) at least one water-soluble fluorescent whitening agent, b) a polymer formed from an ethylenically unsaturated monomer or monomer blend, characterized in that at least one monomer is acrylamide and the water-soluble polymer has an average (weight average) molecular weight of between 500 and 49,000, optionally, c) polyethylene glycol with a weight average molecular weight of between 500 and 6000 and d) water and the use of the composition for the fluorescent whitening of paper in coating and size press or film press applications.
摘要:
The present invention relates to a fluorescent whitening agent comprising a mixture of two symmetrically and one asymmetrically substituted triazinylaminostilbene disulphonic acids, certain novel derivatives, a process for their preparations and use of the mixture for whitening synthetic or natural organic materials, especially paper and for the fluorescent whitening and improvement of sun protection factors of textile materials.
摘要:
The present invention relates to novel whitening pigments comprising the reaction product of (a) a melamine-formaldehyde and/or a melamine-urea polycondensation product and (b) a water-soluble fluorescent whitening agent of the formula (1) wherein R1 represents —OH, —OC1-C4alkyl, —Oaryl, —NH2, —NHC1-C4alkyl, —N(C1-C4alkyl)2, —NHC2-C4hydroxyalkyl, —N(C2-C4hydroxyalkyl)2, —N(C1-C4alkyl)(C2-C4hydroxyalkyl), —NHC1-C4alkoxy-C1-C4alkyl, —N(C1-C4alkoxy-C1-C4alkyl)2, morpholino, piperidino, pyrrolidino or the residue of an amino acid from which a hydrogen atom has been abstracted from the amino group, R2 represents —CONH2, —CONHC1-C4alkyl, —COOM, —SO2NH2 or —SO2NHC1-C4alkyl and M is hydrogen, sodium, potassium, calcium, magnesium, ammonium, mono-di-, tri- or tetra-substituted C1-C4alkylammonium or C2-C4hydroxyalkylammonium or mixtures thereof, a process for preparation of the whitening pigments and their use for the fluorescent whitening of paper, especially in coating, for the fluorescent whitening and improvement of sun protection factors of textile materials and for improving the aspect of solid detergent compositions. Further disclosed are certain novel fluorescent whitening agents suitable for preparation of the whitening pigments and a process for their preparation.
摘要:
Stable formulations of fluorescent whitening agents are described. These contain a) 2 to 20% by weight of a fluorescent whitening agent of formula (1) in which R1 is hydrogen, C1-C5-alkyl, C1-C5-alkoxy or halogen and M is hydrogen, an alkali metal, ammonium or magnesium, b) 4 to 30% by weight of an unmodified or modified polyvinyl alcohol, c) 55 to 94% by weight of water and d) 0 to 20% weight of further additives, polyethylene glycol being excluded. A process for the preparation of the formulations and their use for whitening paper materials is also described.
摘要:
The present invention provides new compounds having formula (1), in which X is 0 or, preferably, NH; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R1, independently, is an aminoacid residue from which a hydrogen atom on the amino group has been removed; n is 1 or 2; and each R2, independently, is hydrogen, C1-C3alkyl, halogen, cyano, COOR in which R is hydrogen or C1-C3alkyl, CONH—R in which R has its previous significance, SO2NH—R in which R has its previous significance, NH—COR in which R has its previous significance, SO3M in which M has its previous significance or, when n is 1, R2 can also be CO—R3 in which R3 is C1-C3alkyl or phenyl; provided that those compounds are excluded in which a) X is NH, n is 1 and R2 is SO3M in which M has its previous significance; or b) X is NH, n is 2 and one R2 is SO3M in which M has its previous significance, and the other R2 is hydrogen, methyl or halogen; or c) X is NH, n is 1, R1 is glycine and R2 is H or CO2H; or d) X is NH, n is 2, each R2 is SO3M in which M has its previous significance and the SO3M groups are in 2,5-positions in the phenyl ring and R1 is D,L-alanine, L-valine, L-leucine; L-isoleucine, L-threonine, L-aspartic acid, L-glutamic acid, L-phenylalanine, L-proline, D,L-methionine or glycine. Most of the new class of 4,4′-diaminostilbene-2,2′-disulfonic acid compounds are useful as fluorescent whitening agents, especially for paper.