Halogen-Free Waterborne Polymeric Hybrid Coatings for Improved Fire Retardancy of Textiles

Yılmaz O., Kuçuk M., Darie-Nita R., Yılmaz C. N.

POLYMERS, vol.15, no.23, pp.4498-4510, 2023 (SCI-Expanded)

  • Publication Type: Article / Article
  • Volume: 15 Issue: 23
  • Publication Date: 2023
  • Doi Number: 10.3390/polym15234496
  • Journal Name: POLYMERS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, Chemical Abstracts Core, Communication Abstracts, Compendex, Food Science & Technology Abstracts, INSPEC, Metadex, Directory of Open Access Journals, Civil Engineering Abstracts
  • Page Numbers: pp.4498-4510
  • Dokuz Eylül University Affiliated: Yes

Abstract

Wildfiresarebecomingmoreintenseandmorefrequent, ravagingthehabitationsand ecosystemsintheirpath.Onesolutiontoreducingtheriskofdamagetobuildingsandotherstructures duringafireeventistheuseoffire-retardantcoatingsthatcanstoporslowdownthespreadof flames,especiallyfortextilematerials.Thepresentstudyfocusesonthepreparationandapplication ofhalogen-freeboron/bentonite-basedpolymericfire-retardant(FR)hybridcoatingformulations forfabricssuchascotton(CO)andpolyester(PE)fibers.ForthepreparationofFRcomposites,two typesofboronderivatives,disodiumoctaborateandzincborate,wereusedincombinationwith sodiumbentonite.Astyrene-acryliccopolymerwasspecificallysynthesizedandusedasacoating binderforFRcomponentstoapplyonfabrics.ThepropertiesofthesynthesizedcopolymerandFR compositeswerecharacterizedwithaparticlesizeanalysis,FTIRspectroscopy,adynamicmechanical thermalanalysis(DMTA),andrheologicalmeasurements.Theobtainedhybridcompositesbased onstyrene-acryliccopolymersandtwodifferentinorganicfillerswereappliedoncotton(CO)and polyester(PE)fabricswithascreen-printingtechnique,andtheflameretardancyperformanceofthe finishedtextilesampleswasinvestigatedbymeansofflamespreadandlimitoxygenindex(LOI) tests.ThefindingsshowedthattheFR-composite-coatedfabricshadhigherLOIvaluesandmuch decreasedflamespreadratesincomparisonwithuncoatedones. Amongtheboronderivatives, thecompositespreparedwithdisodiumoctaborate(FR-A)hadmuchmorepronouncedLOIvalues anddecreasedflamespreadbehaviorincomparisonwiththecompositewithzincborate(FR-B). Whencomparedtoacommercialproduct, theFR-Acomposite, inconjunctionwiththespecially synthesizedpolymer,demonstratedcommendablefireretardancyperformanceandemergedasa promisingcandidateforahalogen-freewaterbornefire-retardantcoatingforfabrics.