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Permanent flame retardant finishing of textiles by allyl-functionalized polyphosphazenes.
ACS Appl Mater Interfaces. 2015 May 13; 7(18):9349-63.AA

Abstract

Despite their excellent flame retardant properties, polyphosphazenes are currently not used as flame retardant agents for textile finishing, because a permanent fixation on the substrate surface has failed so far. Here, we present the successful synthesis and characterization of a noncombustible and foam-forming polyphosphazene derivative, that can be immobilized durably on cotton and different cotton/polyester blended fabrics using photoinduced grafting reactions. The flame retardant properties are improved, a higher limiting oxygen index is found, and the modified textiles pass several standardized flammability tests. As flame retardant mechanism a synergistic effect between the immobilized polyphosphazene and the textile substrate was observed. The polyphosphazene finishing induces an earlier decomposition of the material with a reduced mass loss in thermogravimetric analysis. The decomposition of cotton and polyester leads to the formation of phosphorus oxynitride, which forms a protecting barrier layer on the fiber surface. In addition, the permanence of the flame retardant finishing was proven by laundry and abrasion tests.

Authors+Show Affiliations

†Deutsches Textilforschungszentrum Nord-West gGmbH, Adlerstrasse 1, D-47798 Krefeld, Germany. ‡University Duisburg-Essen, Institute of Physical Chemistry and Center for Nanointegration, Duisburg-Essen, Universitätsstraβe 5, D-45117 Essen, Germany.†Deutsches Textilforschungszentrum Nord-West gGmbH, Adlerstrasse 1, D-47798 Krefeld, Germany.†Deutsches Textilforschungszentrum Nord-West gGmbH, Adlerstrasse 1, D-47798 Krefeld, Germany. ‡University Duisburg-Essen, Institute of Physical Chemistry and Center for Nanointegration, Duisburg-Essen, Universitätsstraβe 5, D-45117 Essen, Germany.†Deutsches Textilforschungszentrum Nord-West gGmbH, Adlerstrasse 1, D-47798 Krefeld, Germany.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

25902050

Citation

Mayer-Gall, Thomas, et al. "Permanent Flame Retardant Finishing of Textiles By Allyl-functionalized Polyphosphazenes." ACS Applied Materials & Interfaces, vol. 7, no. 18, 2015, pp. 9349-63.
Mayer-Gall T, Knittel D, Gutmann JS, et al. Permanent flame retardant finishing of textiles by allyl-functionalized polyphosphazenes. ACS Appl Mater Interfaces. 2015;7(18):9349-63.
Mayer-Gall, T., Knittel, D., Gutmann, J. S., & Opwis, K. (2015). Permanent flame retardant finishing of textiles by allyl-functionalized polyphosphazenes. ACS Applied Materials & Interfaces, 7(18), 9349-63. https://doi.org/10.1021/acsami.5b02141
Mayer-Gall T, et al. Permanent Flame Retardant Finishing of Textiles By Allyl-functionalized Polyphosphazenes. ACS Appl Mater Interfaces. 2015 May 13;7(18):9349-63. PubMed PMID: 25902050.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Permanent flame retardant finishing of textiles by allyl-functionalized polyphosphazenes. AU - Mayer-Gall,Thomas, AU - Knittel,Dierk, AU - Gutmann,Jochen S, AU - Opwis,Klaus, Y1 - 2015/05/01/ PY - 2015/4/23/entrez PY - 2015/4/23/pubmed PY - 2015/4/23/medline KW - cotton KW - permanent flame retardant finishing KW - photochemical immobilization KW - polyester/cotton blends KW - polyphosphazenes KW - textiles SP - 9349 EP - 63 JF - ACS applied materials & interfaces JO - ACS Appl Mater Interfaces VL - 7 IS - 18 N2 - Despite their excellent flame retardant properties, polyphosphazenes are currently not used as flame retardant agents for textile finishing, because a permanent fixation on the substrate surface has failed so far. Here, we present the successful synthesis and characterization of a noncombustible and foam-forming polyphosphazene derivative, that can be immobilized durably on cotton and different cotton/polyester blended fabrics using photoinduced grafting reactions. The flame retardant properties are improved, a higher limiting oxygen index is found, and the modified textiles pass several standardized flammability tests. As flame retardant mechanism a synergistic effect between the immobilized polyphosphazene and the textile substrate was observed. The polyphosphazene finishing induces an earlier decomposition of the material with a reduced mass loss in thermogravimetric analysis. The decomposition of cotton and polyester leads to the formation of phosphorus oxynitride, which forms a protecting barrier layer on the fiber surface. In addition, the permanence of the flame retardant finishing was proven by laundry and abrasion tests. SN - 1944-8252 UR - https://www.unboundmedicine.com/medline/citation/25902050/Permanent_flame_retardant_finishing_of_textiles_by_allyl_functionalized_polyphosphazenes_ L2 - https://dx.doi.org/10.1021/acsami.5b02141 DB - PRIME DP - Unbound Medicine ER -
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