RU2006106728A

RU2006106728A - COMPOSITION FOR FLUORESCENT WHITENING OF PAPER

Info

Publication number: RU2006106728A
Application number: RU2006106728/12A
Authority: RU
Inventors: Петер РОРИНГЕР (CH); Петер РОРИНГЕР; Роберт ХОХБЕРГ (DE); Роберт ХОХБЕРГ; Оливер БЕХЕРЕР (DE); Оливер БЕХЕРЕР; Ханс КРАМЕР (CH); Ханс Крамер; Гетц ШЕФЛЕР (DE); Гетц ШЕФЛЕР
Original assignee: Циба Спешиалти Кемикэлз Холдинг Инк. (Ch); Циба Спешиалти Кемикэлз Холдинг Инк.
Priority date: 2003-08-06
Filing date: 2004-07-28
Publication date: 2007-10-10
Also published as: TW200516193A; CA2533364A1; ZA200600465B; EP1651816A1; IL173135A0; BRPI0413352A; CN1833072A; JP2007501336A; US20060185805A1; AR045215A1; AU2004263674A1; KR20060073588A; WO2005014932A1; MXPA06001366A

Claims

1. Composition for fluorescent paper whitening, including

a) a fluorescent optical brightener (FOO), derivatized from 4,4'-bis [(1,3,5-triazin-2-yl) amino] stilbene-2,2'-disulfonic acid and characterized by one or both triazine rings, bearing a substituent —NH ₂ ;

b) water and

c) optionally additional excipients.

2. The composition according to claim 1,

comprising from 5 to 50 wt.% FOO component a),

from 50 to 95 wt.% water and

from 0 to 40 wt.% component c), the amount of each is indicated in terms of the total weight of the composition, where the total number of components with

a) by c) is 100%.

3. The composition according to claim 1 or 2, in which the fluorescent optical brightener is a compound of formula (I)

in which X ₁ , X ₂ and X ₃ each independently from each other means -NR ₁ R ₂ or -OR ₃ , where R ₁ and R ₂ each independently from each other represents a hydrogen atom;

C ₁ -C ₄ alkyl group which is unsubstituted or substituted by one or two of the following residues selected from the group consisting of C ₁ -C ₄ alkoxy, hydroxyl, carboxy, cyano, carbonamido, thiol, guanidine, substituted or unsubstituted phenyl, unsubstituted or C ₁ -C ₄ alkyl substituted C ₅ -C ₈ cycloalkyl, a halogen atom, a heterocycle and a sulfonic acid residue, and where the carbon chain of an alkyl group containing two, three or four carbon atoms may be interrupted by an oxygen atom,

or, in another embodiment,

R ₁ and R ₂ together with the nitrogen atom connecting them form a 5- or 6-membered heterocyclic ring;

R ₃ is C ₁ -C ₄ alkyl, and

M is H, Na, Li, K, Ca, Mg, ammonium or ammonium which is mono-, di-, tri- or tetrasubstituted with C ₁ -C ₄ alkyl and / or C ₂ -C ₄ hydroxyalkyl.

4. The composition according to claim 3, in which the compounds of formula (1) X ₁ and X ₂ each independently represents X ₁ and X ₂ each independently represents -NH ₂ , -NHC ₁ -C ₄ alkyl, -N (C ₁ - C ₄ alkyl) ₂ , -NHC ₂ -C ₄ hydroxyalkyl, -N (C ₂ -C ₄ hydroxyalkyl) ₂ , -N (C ₁ -C ₄ alkyl) - (C ₂ -C ₄ hydroxyalkyl), -NH (C ₂ -C ₄ alkylene-C ₁ -C ₄ alkoxy), -N (C ₂ -C ₄ alkylene-C ₁ -C ₄ alkoxy) ₂ , -NHC ₁ -C ₄ alkylphenyl, tetrahydrofurfurylamino, morpholino, piperidino, pyrrolidino- or a cyclohexylamino group, or a residue of an amino acid or amide of an amino acid from the amino group of which a hydrogen atom has been removed, and

X ₃ is —NH ₂ ,

5. The composition according to claim 4, in which the compounds of formula (1) X ₁ and X ₂ both represent -NH ₂ , -NHC ₁ -C ₂ alkyl, -N (C ₁ -C ₂ alkyl) ₂ , -NHCH ₂ CH ₂ OH, -N (CH ₂ CH ₂ OH) ₂ , -N (C ₁ -C ₂ alkyl) (CH ₂ CH ₂ OH), -NHCH ₂ CH ₂ OCH ₃ , -N (CH ₂ CH ₂ OCH ₃ ) ₂ , -NHCH ₂ CH ₂ -O-CH ₂ CH ₂ -OH, -N (CH ₂ CH ₂ -O-CH ₂ CH ₂ -OH) ₂ , -NHCH ₂ CO ₂ M ", -N (CH ₃ ) CH ₂ CO ₂ M ", -NHCH ₂ CH ₂ CO ₂ M", -NHCH (CO ₂ M ") CH ₂ CH ₂ CH ₂ NHC (= NH) NH ₂ , tetrahydrofurfurylamino, benzylamino, cyclohexylamino, pyrrolidine or a morpholino group, and M ″ is H, K, Na, ammonium or ammonium which is mono-, di-, tri- or tetrazubstituted with C ₁ -C ₄ alkyl and / or C ₂ -C ₄ hydroxyalkyl.

6. The use of the composition according to one of claims 1 to 5 for fluorescent bleaching of paper in the pulp, during coating or in a metering size press or film press.

7. The use according to claim 6, for fluorescent whitening of paper during coating or in a metering size press or film press.

8. The use according to claim 6 or 7 for fluorescent whitening of paper in a metering size press or film press.

9. A method of fluorescent paper bleaching, including processing the paper with a composition according to one of claims 1 to 5.

10. Paper that is optically bleached by the composition according to one of claims 1 to 5.