Permanent flame retardant finishing of textile materials by a photochemical immobilization of vinyl phosphonic acid

2011 ◽  
Vol 96 (3) ◽  
pp. 393-395 ◽  
Author(s):  
Klaus Opwis ◽  
Andreas Wego ◽  
Thomas Bahners ◽  
Eckhard Schollmeyer
Keyword(s):  
Flame Retardant ◽  
Phosphonic Acid ◽  
Textile Materials

A Novel Flame Retardant for Cotton Containing Ammonium Phosphonic Acid and Phosphonate Prepared from Urea

2021 ◽  
pp. 1-14
Author(s):  
Tiandong Huang ◽  
Fang Xu ◽  
Peiyi Zhao ◽  
Peng Wang ◽  
Fengxiu Zhang ◽  
...  
Keyword(s):  
Flame Retardant ◽  
Phosphonic Acid

scholarly journals RESEARCH OF FEATURES AND COMPOSITIONS OF VERMICULITE FOR USE AS SUSPENSION FIRE RETARDANT FOR TEXTILE MATERIALS

2020 ◽  
Vol 2020 (2) ◽  
pp. 64-69
Author(s):  
I Khaidarov ◽  
◽  
R Ismailov
Keyword(s):  
Mechanical Properties ◽  
Flame Retardant ◽  
Fire Resistance ◽  
Orthophosphoric Acid ◽  
Fire Retardant ◽  
Physical And Mechanical Properties ◽  
Textile Materials ◽  
Dispersed Particles ◽  
Expanded Vermiculite ◽  
Smoke Generation

This article presents studies of fire resistance in the treatment of expanded vermiculite, which depends on the size of the dispersed particles and the orientation of the granules, their moisture and temperature. It has been studied that one of the interesting and important in practice properties of vermiculite is its ability to swell and turn into a lightweight effective material for imparting fire resistance. The properties and compositions of vermiculite from the Tebinbulak deposit are studied, from which a flame-retardant suspension is prepared for processing textile materials based on vermiculite dissolved in orthophosphoric acid and alkali in an aqueous medium. When modifying materials with developed flame-retardant suspensions, it is possible to obtain fire-resistant textile materials that meet the requirements of GOST for fire resistance, smoke generation and other physical and mechanical properties.

Graphene Phosphonic Acid as an Efficient Flame Retardant

ACS Nano ◽  
2014 ◽  
Vol 8 (3) ◽  
pp. 2820-2825 ◽  
Author(s):  
Min-Jung Kim ◽  
In-Yup Jeon ◽  
Jeong-Min Seo ◽  
Liming Dai ◽  
Jong-Beom Baek
Keyword(s):  
Flame Retardant ◽  
Phosphonic Acid

Flame-retardant composite coatings for cotton fabrics fabricated by using oxygen plasma-induced polymerization of vinyl phosphonic acid/cyclotetrasiloxane

2019 ◽  
Vol 89 (23-24) ◽  
pp. 5053-5066 ◽  
Author(s):  
Jiawei Li ◽  
Wei Tong ◽  
Lingmin Yi
Keyword(s):  
Flame Retardant ◽  
Phosphonic Acid ◽  
Composite Coatings ◽  
Cotton Fabrics ◽  
Polymerization Process ◽  
Environment Friendly ◽  
Limiting Oxygen Index ◽  
Release Capacity ◽  
Combustion Flow ◽  
Heat Release Capacity

Environment-friendly flame-retardant cotton textiles have been receiving considerable interest both in academic and industrial circles for years. Herein, a novel flame-retardant coating for cotton fabrics was reported based on vinyl phosphonic acid and 1,3,5,7-tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane through an O2 plasma-induced polymerization process. The coating on cotton fabrics was confirmed by Fourier transform infrared spectrophotometry, scanning electron microscopy and energy dispersive X-ray spectrometry. Excellent flame retardancy and thermal stability properties were found from thermogravimetric analysis, the limiting oxygen index, modified vertical burning tests and pyrolysis combustion flow calorimetry. The results revealed that there was a good synergistic effect between poly(vinyl phosphonic acid) and polysiloxane segments in flame-retardant cotton fibers. The new flame-retardant coating induced an earlier decomposition of cellulose, and enhanced the formation of stable char under thermal oxygen and significantly reduced the heat release capacity.

Pyrolysis dynamics of dicyclohexyl phosphonic acid aluminium flame retardant polyamide

2019 ◽  
Vol 48 (6) ◽  
pp. 240-247 ◽  
Author(s):  
Heng Zhang ◽  
Hongyan Yang ◽  
Heng Yang ◽  
Junliang Lu ◽  
Kaijie Mu ◽  
...  
Keyword(s):  
Flame Retardant ◽  
Phosphonic Acid

scholarly journals Durable and Environmentally Friendly Flame-Retardant Finish on Wool via Graft Copolymerization of Vinyl Phosphonic Acid

2021 ◽  
Vol 12 (3) ◽  
pp. 3647-3663
Keyword(s):  
Flame Retardant ◽  
Phosphonic Acid ◽  
Chemical Structure ◽  
Treatment Process ◽  
Ignition Time ◽  
Environmentally Friendly ◽  
Fold Increase ◽  
Wool Fabric ◽  
Thermogravimetric Studies ◽  
Temperature Time

A durable and environmentally friendly flame-retardant treatment process on wool via graft co-polymerization of vinyl phosphonic acid (VPA) was investigated. The influence of temperature, time, VPA, and catalyst on the grafting yield (GY) was studied. Employing response surface methodology, the grafting parameters were optimized, and the highest GY was achieved. Thermogravimetric studies showed a 3.86% increase in the remaining char ratio at 750°C for the wool fabric after graft co-polymerization of VPA. Flame retardancy of wool fabrics was evaluated with respect to their limiting oxygen indices (LOI) and the ease of ignition measurements. The sample with 8.1% GY exhibited a 35.89% increase in LOI and over a 3.66-fold increase in ignition time. The chemical structure of the grafted wool is proposed according to FTIR and 31P Solid-state MAS NMR evidence. The presented flame-retardant finish process was deemed to be a green and durable substitute for the conventional, semi-durable, and non-environmentally friendly processes.

Sign in / Sign up

Export Citation Format

Share Document