1. A reactive dyestuff with an N,N-dialkylamino bridge group of the following formula (I),
wherein, E1 and E2 each independently are couplers selected from the group consisting of benzene, naphthalene, pyrazolone, monoazo, disazo, polyazo and metal complex azo components;
R is hydrogen, C1-4 alkyl, C1-4 alkylcarbonyl, phenyl, nitroso or C1-4 alkyl substituted by halogen, hydroxyl, carboxyl or sulfo;
(R1)0-3 and (R2)0-3 each independently are 0 to 3 identical or different groups, and each of R1 and R2 independently is selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, ureido and amido;
B and B\u2032 each independently are selected from the group consisting of a direct bond, \u2014SO2\u2014 and \u2014CONH\u2014(CH2)k\u2014SO2\u2014;
k is an integer between 1 to 6;
Z and Z\u2032 each independently are selected from the group consisting of \u2014SO2\u2014U, \u2014CONH\u2014(CH2)d\u2014SO2\u2014U, \u2014O\u2014(CH2)r\u2014CONH\u2014(CH2)d\u2014SO2\u2014U, \u03b2-thiosulfatoethylsulfonyl and \u2014N(R\u2032)\u2014U\u2032;
d and r are integers independent of one another between 2 to 4;
U is \u2014CH2CH2W or \u2014CH\u2550CH2;
W is a leaving group, selected from the group consisting of \u2014Cl, \u2014SO3H and \u2014OPO3H, which is eliminable by a base, a quaternary salt selected from the group consisting of quaternary ammonium, pyridine, carboxypyridinium, methylpyridinium carbonamidopyridinium, and a group of the formula
R3 and R4 each independently are hydrogen or C1-4 alkyl;
U\u2032 is \u03b1,\u03b2-halopropionyl, \u03b1-haloacryloyl, \u03b2-halopropionyl or \u03b1-haloacryloyl;
R\u2032 is hydrogen or C1-4 alkyl;
i and j are integers independent of one another between 0 to 2, and the sum of i and j is not 0;
m and n are integers independent of one another between 2 to 4; and the ring containing the dashed lines represents an optional fused benzene ring.
2. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein R is hydrogen, C1-4 alkyl, C1-4 alkylcarbonyl, phenyl, nitroso or C1-4 alkyl substituted by hydroxyl or sulfo.
3. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein (R1)0-3 and (R2)0-3 each independently are 0 to 3 identical or different groups, and each of R1 and R2 independently is selected from the group consisting of hydrogen, sulfo, C1-4 alkyl and C1-4 alkoxy.
4. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein B and B\u2032 each independently are \u2014SO2\u2014 or \u2014CONH\u2014(CH2)k\u2014SO2\u2014.
5. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein Z and Z\u2032 each independently are selected from the group consisting of \u2014SO2\u2014U, \u2014CONH\u2014(CH2)d\u2014SO2\u2014U and \u2014N(R\u2032)\u2014U\u2032.
6. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a pyrazolone component of the following formula,
wherein, G is C1-3 alkyl, carboxyl or C2-5 alkylcarboxyl; and R5 and R6 each independently are selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, nitro, cyano, C1-4 alkyl and C1-4 alkoxy.
7. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a benzene component of the following formula,
wherein, (R7)0-3 is 0 to 3 identical or different groups, and each of R7 independently is selected from the group consisting of halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, C2-6 alkoxycarbonyl, carbamoyl, C2-5 alkanoylamino and C2-5 alkylcarboxyl.
8. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a naphthalene component selected from the group consisting of
wherein, R12 is selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, acetylamino, ureido, C1-4 alkyl and C1-4 alkoxy.
9. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a monoazo component selected from the group consisting of
wherein, (R7)0-3 is 0 to 3 identical or different groups, and each of R7 independently is selected from the group consisting of halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, C2-6 alkoxycarbonyl, carbamoyl, C2-5 alkanoylamino and C2-5 alkylcarboxyl;
R8 is hydrogen, C1-4 alkyl, C2-4 alkylcarboxyl or C1-4 alkyl substituted by hydroxyl, cyano, carboxyl, sulfo, methoxycarbonyl, ethoxycarbonyl or acetoxy;
R11 is hydrogen, C1-4 alkyl, unsubstituted or substituted phenyl by halogen, hydroxyl, carboxyl, sulfo, nitro, C1-4 alkyl or C1-4 alkoxy, or C1-4 alkyl substituted by hydroxyl, carboxyl, cyano or sulfo;
R12 is selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, acetylamino, ureido, C1-4 alkyl and C1-4 alkoxy; and the ring containing the dashed lines represents an optional fused benzene ring.
10. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a disazo component selected from the group consisting of
wherein, (R7)0-3 is 0 to 3 identical or different groups, and each of R7 independently is selected from the group consisting of halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, C2-6 alkoxycarbonyl, carbamoyl, C2-5 alkanoylamino and C2-5 alkylcarboxyl;
(R9)0-3 is 0 to 3 identical or different groups, and each of R9 independently is selected from the group consisting of halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, C2-6 alkoxycarbonyl, carbamoyl, C2-5 alkanoylamino and C2-5 alkylcarboxyl;
(R10)0-3 is 0 to 3 identical or different groups, and each of R10 independently is selected from the group consisting of halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, C2-6 alkoxycarbonyl, carbamoyl, C2-5 alkanoylamino and C2-5 alkylcarboxyl;
R11 is hydrogen, C1-4 alkyl, unsubstituted or substituted phenyl by halogen, hydroxyl, carboxyl, sulfo, nitro, C1-4 alkyl or C1-4 alkoxy, or C1-4 alkyl substituted by hydroxyl, carboxyl, cyano or sulfo;
R12 is selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, acetylamino, ureido, C1-4 alkyl and C1-4 alkoxy;
R13 is selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, acetylamino, uredio, C1-4 alkyl and C1-4 alkoxy; and the ring containing the dashed lines represents an optional fused benzene ring.
11. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a polyazo component of the following formula,
wherein, (R7)0-3 is 0 to 3 identical or different groups, and each of R7 independently is selected from the group consisting of halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, C2-6 alkoxycarbonyl, carbamoyl, C2-5 alkanoylamino and C2-5 alkylcarboxyl;
R11 is hydrogen, C1-4 alkyl, unsubstituted or substituted phenyl by halogen, hydroxyl, carboxyl, sulfo, nitro, C1-4 alkyl or C1-4 alkoxy, or C1-4 alkyl substituted by hydroxyl, carboxyl, cyano or sulfo;
p is 2 or 3; and the ring containing the dashed lines represents an optional fused benzene ring.
12. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a polyazo component selected from the group consisting of
wherein, (R7)0-3 is 0 to 3 identical or different groups, and each of R7 independently is selected from the group consisting of halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, C2-6 alkoxycarbonyl, carbamoyl, C2-5 alkanoylamino and C2-5 alkylcarboxyl;
R11 is hydrogen, C1-4 alkyl, unsubstituted or substituted phenyl by halogen, hydroxyl, carboxyl, sulfo, nitro, C1-4 alkyl or C1-4 alkoxy, or C1-4 alkyl substituted by hydroxyl, carboxyl, cyano or sulfo;
R12 is selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, acetylamino, ureido, C1-4 alkyl and C1-4 alkoxy;
R13 is selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, amino, nitro, cyano, acetylamino, uredio, C1-4 alkyl and C1-4 alkoxy; and
(R14)0-3 is 0 to 3 identical or different groups, and each of R14 independently is selected from the group consisting of halogen, hydroxyl, carboxyl, sulfo, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, C2-6 alkoxycarbonyl, carbamoyl, C2-5 alkanoylamino and C2-5 alkylcarboxyl.
13. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a pyrazolone component of the following formula,
14. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a naphthalene component of the following formula,
15. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a monoazo component selected from the group consisting of
wherein, s, t and v are integers independent of one another between 0 to 2, and s+t+v is an integer between 0 to 3; and
x and y are integers independent of one another between 0 to 2, and x+y is an integer between 0 to 3.
16. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a disazo component selected from the group consisting of
and wherein x and y are integers independent of one another between 0 to 2, and x+y is an integer between 0 to 3.
17. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein E1 and E2 each independently are a metal complex azo component of the following formula,
18. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein the reactive dyestuff of the formula (I) is a compound of the following formula (61),
19. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein the reactive dyestuff of the formula (I) is a compound of the following formula (66),
20. The reactive dyestuff with an N,N-dialkylamino bridge group as claimed in claim 1, wherein the reactive dyestuff of the formula (I) is a compound of the following formula (67),
21. A dyestuff with an N,N-dialkylamino bridge group of the following formula (70),
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-20. (canceled)
21. A material for sealing off cavities between two structural components, comprising an intumescent mat, wherein the intumescent mat is completely sealed in a polymeric film and the interior bounded by the polymeric film and containing the intumescent mat is evacuated.
22. The material of claim 21 wherein the two structural components are formed of materials having different thermal characteristics or of the same material but have different temperatures.
23. The material of claim 21 wherein said intumescent mat comprises an expandable mica, a silicate and an organic binder.
24. The material of claim 23 wherein the intumescent mat comprises the organic binder in an amount of from 2 to 15 wt %, based on the overall weight of the intumescent mat.
25. The material of claim 23 wherein the silicate is an aluminum silicate.
26. The material of claim 23 wherein the expandable mica is vermiculite.
27. The material of claim 21 consisting of an intumescent mat.
28. The material of claim 21 being a composite mat, said composite mat in addition to an intumescent mat comprising a fibrous mat of oxidic fibers, wherein said intumescent mat and said fibrous mat of oxidic fibers are each sheet bodies joined together at their major surfaces.
29. The material of claim 28 wherein the composite mat comprises a plurality of successive plies of one intumescent mat and one fibrous mat of oxidic fibers.
30. The material of claim 21 formed as a multi-ply composite material comprising two or more intumescent mats with interplies between any two directly successive intumescent mats to mechanically stabilize said multi-ply composite material.
31. The material of claim 30 wherein said interplies are formed of sieves or perforated sheets.
32. The material of claim 21 wherein plastics used for the polymeric film comprise one or more polyamides or mixtures of one or more polyamides with polyethylene andor polypropylene.
33. The material of claim 21 wherein the polymeric film is textured on one side thereof.
34. A method of sealing off cavities between two structural components by using a material of claim 21, which method comprises devacuating the material after insulation in the cavity between the structural components.
35. The method of claim 34 wherein the material is devacuated by puncturing or incising the polymeric film or by elevating the temperature to a value at which the polymeric film burns away.
36. A process for the production of nitric acid, said process comprising catalytic combustion of ammonia on a platinum gauze, which bears on a catalyst bed for the depletion of nitrous oxide from the reaction gas mixture, wherein the catalyst bed is positioned in a catalyst cage which is arranged concentrically inside a reactor comprising the material of claim 21 while keeping an annular gap, and wherein the material for sealing the annular gap is arranged between the catalyst cage and the outer boundary of the annular gap.
37. The process of claim 36, wherein the outer boundary of the annular gap is a metallic apron.
38. The process of claim 36, wherein the outer boundary of the annular gap is the inside wall of the reactor.
39. A process for the thermal insulation of the outside wall of a tube inside which a burner is arranged, wherein the material of claim 21 is applied to the outside wall of an auxiliary tube which has a smaller diameter than the tube to be isolated, which is inserted into the tube to be isolated.
40. A process for the production of sulfur trioxide, said process comprising oxidation of sulfur dioxide in a hurdling contact reactor on a catalyst which contains vanadium pentoxide and which is placed in two, three, four or more hurdlings arranged on top of each other with an interstage cooling between two successive hurdlings, wherein the material of claim 21 is employed for sealing the gap between the outer boundary of the hurdlings and the inner wall of the hurdling contact reactor.