FIELD: chemistry.
SUBSTANCE: invention relates to compositions for optical brightening and tinting paper. The composition includes (a) at least one optical brightening agent selected from a group of diaminostilbene derivatives of formula (I) given in the description, (b) at least one tinting dye of formula
,
where M, R3, R4 have values given in the description, (c) at least one white pigment, (d) at least one primary binding compound, (e) optionally one or more secondary binding compounds and (f) water.
EFFECT: invention provides high degree of whiteness of paper while increasing or preserving its lustre.
16 cl, 4 tbl, 2 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCTION OF WHITE PAPER | 2011 |
|
RU2564815C2 |
| OPTICAL BLEACH FOR PAPER | 2018 |
|
RU2772022C2 |
| OPTICALLY BRIGHTENED LATEXES | 2019 |
|
RU2799333C2 |
| AQUEOUS GLUE COMPOSITIONS FOR CHANGING HUE IN GLUING PRESS APPLICATION FIELD | 2011 |
|
RU2563487C2 |
| IMPROVED OPTICAL BLEACHING COMPOSITIONS FOR HIGH QUALITY INKJET PRINTING | 2009 |
|
RU2515297C2 |
| OPTICAL BLEACHING COMPOSITIONS FOR HIGH QUALITY INKJET PRINTING | 2009 |
|
RU2519372C2 |
| USING WHITENING PIGMENTS IN COMPOSITIONS FOR COATING PAPER COVER | 2000 |
|
RU2254405C2 |
| COMPOSITION FOR KERATIN FIBRE DYING CONTAINING SUBSTANTIVE DYE CONTAINING DISULPHIDE/THIOL FUNCTION, THICKENING POLYMER NOT BASED ON CELLULOSE, ALKALINE AGENT AND REDUCING AGENT | 2012 |
|
RU2603474C2 |
| COMPOSITION FOR WASHING CLOTHES CONTAINING DYES | 2012 |
|
RU2598853C2 |
| COMPOSITION AND METHOD OF BLEACHING PAPER | 2009 |
|
RU2505636C2 |
