Patent AT-E399817-T1: [Translated] POLYMER COMPOSITION FOR PEROXIDE BLEACHING CELLULOSE FIBER MATERIAL AND PEROXIDE BLEACHING PROCESS
The present invention relates to a polymer composition for peroxide bleaching of a cellulosic fiber material, said composition being in the form of a stable aqueous polymer solution obtained by bringing in an aqueous medium a first polymer (A) comprising a partly or totally acidic homopolymer of acrylic acid, methacrylic acid or maleic acid, or a copolymer of acrylic acid and/or methacrylic acid with an unsaturated dicarboxylic acid, into contact with a second polymer (B) comprising a polylactone of a poly-alfa-hydroxyacrylic acid in solid form or as a moist powder or as a slurry, said polymer solution having a pH of at most 5. The invention also relates to peroxide bleaching processes.
Complete Metadata
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| accessLevel | public |
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| description | The present invention relates to a polymer composition for peroxide bleaching of a cellulosic fiber material, said composition being in the form of a stable aqueous polymer solution obtained by bringing in an aqueous medium a first polymer (A) comprising a partly or totally acidic homopolymer of acrylic acid, methacrylic acid or maleic acid, or a copolymer of acrylic acid and/or methacrylic acid with an unsaturated dicarboxylic acid, into contact with a second polymer (B) comprising a polylactone of a poly-alfa-hydroxyacrylic acid in solid form or as a moist powder or as a slurry, said polymer solution having a pH of at most 5. The invention also relates to peroxide bleaching processes. |
| distribution |
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| identifier | https://healthdata.gov/api/views/8zbi-wcpb |
| issued | 2025-09-05 |
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| landingPage | https://healthdata.gov/d/8zbi-wcpb |
| modified | 2025-09-06 |
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| publisher |
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| theme |
[
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| title | Patent AT-E399817-T1: [Translated] POLYMER COMPOSITION FOR PEROXIDE BLEACHING CELLULOSE FIBER MATERIAL AND PEROXIDE BLEACHING PROCESS |
