LATEX-FREE AND FORMALDEHYDE-FREE NONWOVEN FABRICS
A nonwoven fabric comprising a fiber web in an amount of 85-99.99 wt. %, and a cured natural binder in an amount of 0.01-15 wt. %; wherein the fiber web comprises natural fibers and synthetic fibers; wherein natural fibers are present in the nonwoven fabric in an amount of 70-90 wt. %; wherein synthetic fibers are present in the nonwoven fabric in an amount of from 10-30 wt. %; wherein the cured natural binder comprises modified cellulose and a strengthening agent in a weight ratio of strengthening agent to modified cellulose of 1:2 to 1:1,000, wherein modified cellulose comprises CMC and/or sodium CMC, wherein the strengthening agent comprises a crosslinking agent and/or a wet strength agent, wherein the crosslinking agent comprises a carboxylic acid having two or more carboxyl groups, and wherein the wet strength agent comprises a reactive functional group selected from the group consisting of halide, chloride, fluoride, hydroxyl, and combinations thereof..
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Patent| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Europäisches Patentamt - (2024) vom: 13. März Zur Gesamtaufnahme - year:2024 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
SALAM ABDUS [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| Themen: |
Sonstige Themen: |
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| Anmerkungen: |
Source: www.epo.org (no modifications made), First posted: 2024-03-13, Last update posted on www.tib.eu: 2024-03-26, Last updated: 2024-03-29 |
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| Patentnummer: |
EP3856123 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
EPA000918520 |
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| LEADER | 01000caa a22002652 4500 | ||
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| 245 | 1 | 0 | |a LATEX-FREE AND FORMALDEHYDE-FREE NONWOVEN FABRICS |
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| 500 | |a Source: www.epo.org (no modifications made), First posted: 2024-03-13, Last update posted on www.tib.eu: 2024-03-26, Last updated: 2024-03-29 | ||
| 520 | |a A nonwoven fabric comprising a fiber web in an amount of 85-99.99 wt. %, and a cured natural binder in an amount of 0.01-15 wt. %; wherein the fiber web comprises natural fibers and synthetic fibers; wherein natural fibers are present in the nonwoven fabric in an amount of 70-90 wt. %; wherein synthetic fibers are present in the nonwoven fabric in an amount of from 10-30 wt. %; wherein the cured natural binder comprises modified cellulose and a strengthening agent in a weight ratio of strengthening agent to modified cellulose of 1:2 to 1:1,000, wherein modified cellulose comprises CMC and/or sodium CMC, wherein the strengthening agent comprises a crosslinking agent and/or a wet strength agent, wherein the crosslinking agent comprises a carboxylic acid having two or more carboxyl groups, and wherein the wet strength agent comprises a reactive functional group selected from the group consisting of halide, chloride, fluoride, hydroxyl, and combinations thereof. | ||
| 650 | 4 | |a A61K: Preparations for medical, dental, or toilet purposes (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms a61j0003000000;chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles a61l; soap compositions c11d) | |
| 650 | 4 | |a D04H: Making textile fabrics, e.g. from fibres or filamentary material (weaving d03;knitting d04b;braiding d04c;net-making d04g;sewing d05b;tufting d05c;finishing non-woven fabrics d06); fabrics made by such processes or apparatus, e.g. felts, non-woven fabrics; cotton-wool; wadding (non-woven fabrics having an intermediate or external layer of a different kind, e.g. of woven fabric, b32b) | |
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