Effect of softener and wetting agent on improving the flammability, comfort, and mechanical properties of flame-retardant finished cotton fabric

Tang, Ka-Po Maggie; Kan, Chi Wai; Fan, Jintu; Tso, Sai leung

doi:10.1007/s10570-017-1268-z

Cited by 38 publications

(29 citation statements)

References 44 publications

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“…Nowadays the main use of flame-retardant materials is in personal protection equipment or “PPE”. , In fact, flame-retardant materials are mostly applied as uniforms for fire-fighters, military and industrial workers, high-performance sport applications, and transportation …”

Section: Introductionmentioning

confidence: 99%

“…Nowadays the main use of flame-retardant materials is in personal protection equipment or "PPE". 11,12 In fact, flameretardant materials are mostly applied as uniforms for firefighters, 13 military and industrial workers, high-performance sport applications, 14 and transportation. 15 Moreover, the yarns consisting of flame-retardant rayon and an inert material like aramid may be combined into a woven product by either weaving or knitting exhibiting an increase in the wear comfort and in thermal protection.…”

Section: ■ Introductionmentioning

confidence: 99%

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Enzymatic Recycling of High-Value Phosphor Flame-Retardant Pigment and Glucose from Rayon Fibers

Vecchiato

Skopek

Jankova³

et al. 2017

ACS Sustainable Chem. Eng.

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Viscose (also known as Rayon) filaments are obtained from regenerated cellulose and are used in many different sectors mainly as reinforcement material in tires and other cord applications and in the clothing industry. The incorporation of a phosphor-containing pigment imparts flame-retardancy properties to these fibers, which then can be used as part of personal protection textiles delivering wear comfort. There are no recycling strategies for these materials being brought to landfills or chemically degraded since incineration is difficult because of their flame retardancy. In this study, an enzyme-based strategy for the recovery of glucose and of the phosphor pigment without altering their chemical structures was developed as a circular economy solution. Rayon fibers were completely hydrolyzed by a cellulase preparation while 98% of the glucose (reducing sugar assay and HPLC analysis) and more than 99% of the flame-retardant pigment present in the fibers was recovered. The recovered pigment was analyzed via 1H, 13C, and 31P NMR, and the purity >95% was comparable to that of the commercially available pigment. The recovered glucose was successfully used as carbon source for ethanol production by Saccharomyces cerevisiae while the recycled phosphor pigment was reused in viscose filament production leading to similar mechanical properties like those measured for virgin fibers. This work presents an environmentally friendly recycling strategy of functional rayon fibers for the recovery of the two major components, namely, glucose and the pigment.

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Section: Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Enzymatic Recycling of High-Value Phosphor Flame-Retardant Pigment and Glucose from Rayon Fibers

Vecchiato

Skopek

Jankova³

et al. 2017

ACS Sustainable Chem. Eng.

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“…The moisture absorption and retention capacities are critical to controlling the thermophysiological comfort of human body . Moisture absorption refers to the ability of fiber materials to absorb moisture from the humidified atmosphere.…”

Section: Resultsmentioning

confidence: 99%

“…The moisture absorption and retention capacities are critical to controlling the thermophysiological comfort of human body. 65 Moisture absorption refers to the ability of fiber materials to absorb moisture from the humidified atmosphere. The moisture absorption capacities of the fibers were determined at two different RH (43 and 81%) under room temperature, as shown in Figure 9A,C.…”

Section: Acs Applied Materials and Interfacesmentioning

confidence: 99%

Facile and Versatile Modification of Cotton Fibers for Persistent Antibacterial Activity and Enhanced Hygroscopicity

Cai

Yang

Zhang

et al. 2018

ACS Appl. Mater. Interfaces

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Natural fibers with functionalities have attracted considerable attention. However, developing facile and versatile strategies to modify natural fibers is still a challenge. In this study, cotton fibers, the most widely used natural fibers, were partially oxidized by sodium periodate in aqueous solution, to give oxidized cotton fibers containing multiple aldehyde groups on their surface. Then poly(hexamethylene guanidine) was chemically grafted onto the oxidized cotton fibers forming Schiff bases between the terminal amines of poly(hexamethylene guanidine) and the aldehyde groups of oxidized cotton fibers. Finally, carbon–nitrogen double bonds were reduced by sodium cyanoborohydride, to bound poly(hexamethylene guanidine) covalently to the surface of cotton fibers. These functionalized fibers show strong and persistent antibacterial activity: complete inhibition against Escherichia coli and Staphylococcus aureus was maintained even after 1000 consecutive washing in distilled water. On the other hand, cotton fibers with only physically adsorbed poly(hexamethylene guanidine) lost their antibacterial activity entirely after a few washes. According to Cell Counting Kit-8 assay and hemolytic analysis, toxicity did not significantly increase after chemical modification. Attributing to the hydrophilicity of poly(hexamethylene guanidine) coatings, the modified cotton fibers were also more hygroscopic compared to untreated cotton fibers, which can improve the comfort of the fabrics made of modified cotton fibers. This study provides a facile and versatile strategy to prepare modified polysaccharide natural fibers with durable antibacterial activity, biosecurity, and comfortable touch.

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“…Although creping is an effective way to increase the softness, it has limited impact. Hence, much attention has been paid to develop novel paper softeners (Tang et al 2017;Mazzon et al 2019). In the textile industry, softeners are used widely, but textile softeners are seldom used in papermaking due to some disadvantages, such as the large loading, high cost and poor effectiveness.…”

Section: Introductionmentioning

confidence: 99%

A simple method of simultaneously endowing paper or fluff pulp with both high softness or appropriate fluffing properties and antimicrobial properties

Shi

Chen

et al. 2021

Cellulose

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As the living standard improve, disposable sanitary and living paper requires not only softness or easy to uff in a dry state, but also good antibacterial property. In this study, a series of alkyl quaternary ammonium salts (AQAS), a kinds of antibacterial-debonding agents, were synthesized by using a twostep process. The SN2 nucleophilic substitution reaction was designed between triethanolamine and sulfoxide chloride, and followed subsequent quaternization by tertiaryamines with different long alkyl chains. The obtained products can be used as an antibacterial and softening/debonding agent for improving the performance of paper or uff pulp. The results showed that these new compounds can endow antibacterial function and high softness to paper or control appropriate burst strength to uff pulp board. These AQAS products can be not only used in daily disposable sanitary products, but also have potential applications in other products such as glass spacer paper, advanced household paper, or antibacterial tissue products to prevent microbial contamination.

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Effect of softener and wetting agent on improving the flammability, comfort, and mechanical properties of flame-retardant finished cotton fabric

Cited by 38 publications

References 44 publications

Enzymatic Recycling of High-Value Phosphor Flame-Retardant Pigment and Glucose from Rayon Fibers

Enzymatic Recycling of High-Value Phosphor Flame-Retardant Pigment and Glucose from Rayon Fibers

Facile and Versatile Modification of Cotton Fibers for Persistent Antibacterial Activity and Enhanced Hygroscopicity

A simple method of simultaneously endowing paper or fluff pulp with both high softness or appropriate fluffing properties and antimicrobial properties

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