Introduction of poly[(2-acryloyloxyethyl trimethyl ammonium chloride)-co-(acrylic acid)] branches onto starch for cotton warp sizing

Shen, Shiqi; Zhu, Zhiwei; Liu, Fengdan

doi:10.1016/j.carbpol.2015.11.058

Cited by 53 publications

(25 citation statements)

References 37 publications

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“…The compatibility of starch to water provides an effective plasticizer to improve upon starch properties in sizing. Mostly, the hydrophilic group on starch chains are able to absorb water in air due to their hydrophilic feature . It was observed in this study that there was a significant increase in moisture regain of all the AS films as compared to ATS film (Table ).…”

Section: Resultsmentioning

confidence: 52%

“…A reduced crystallinity favors the wetting and spreading of starch paste on the surface of fibers due to the steric hindrance caused by the phosphate and octenylsuccinyl groups. Lower crystallinity usually depicts lower tendency for the association of hydroxyls in starch molecule . The change in crystallinity also authenticates that starch has been modified.…”

Section: Resultsmentioning

confidence: 82%

“…As a result, there exist interfacial defects and stress concentration around unwetted or outspreaded areas of the fibers. Incomplete wetting and spreading on the surface of fibers lead to the reduction in adhesion of native starch to fibers . Due to this reason, the adhesion of ATS to cotton/polyester blend fibers decreased as paste temperature decreased.…”

Section: Resultsmentioning

confidence: 99%

“…Starch film was prepared by pouring cooked starch paste (6% w/w) onto a 650 mm × 400 mm polyester film spread on a horizontal glass plate and dried at 65% RH and 20 °C. A piece of the film prepared was cut and conditioned in 65% RH and 20 °C for 24 h before X‐ray diffraction (XRD) test . The XRD of ATS and AS films was conducted with D/max3 B diffractometer (Rigaku Corp., Japan) in an X‐ray tube under the conditions of 40 KV, 30 mA, and 0.154 nm.…”

Section: Methodsmentioning

confidence: 99%

“…Subsequently, the dried pieces were conditioned at 65% relative humidity (R.H.) and 20 °C for 24 h and weighed again. The moisture regain was calculated using the equation employed in a study by Shen et al…”

Section: Methodsmentioning

confidence: 99%

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Phosphorylation and Octenylsuccinylation of Acid‐Thinned Starch for Enhancing Adhesion on Cotton/Polyester Blend Fibers at Varied Temperature Sizing

et al. 2018

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In this study, amphiphilic starch prepared by phosphorylation and octenylsuccinylation is surveyed to identify its effect on the adhesion of starch to cotton/polyester blend fibers at different temperature. Acid‐thinned cornstarch (ATS) is phosphorylated and octenylsuccinylated with pentasodium triphosphate and 2‐octenylsuccinic anhydride, respectively, to improve upon adhesion to cotton/polyester blend fibers. Two series of amphiphilic starch samples with different levels of the substitution (DS) are derived for determining desirable level of starch modification in sizing. Amphiphilic starch paste shows strong adhesion to cotton/polyester blend fibers than ATS paste. It is found that the modification reduces the crystallinity, changed the morphology, improves moisture regain, alleviates the adverse influence of starch retrogradation, and improves adhesion to fibers and desizing efficiency. The adhesion of amphiphilic starch paste to cotton/polyester blend fibers at 60 °C is statistically higher than adhesion of ATS at 95 °C. The amphiphilic starch with a total DS of 0.06 shows the highest potential use for strong cotton/polyester blend warp sizing due to its good sizing properties.

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Section: Resultsmentioning

confidence: 52%

Section: Resultsmentioning

confidence: 82%

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Phosphorylation and Octenylsuccinylation of Acid‐Thinned Starch for Enhancing Adhesion on Cotton/Polyester Blend Fibers at Varied Temperature Sizing

et al. 2018

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Evaluation of the synergistic effect of acetylation and poly(acrylic acid‐co‐2‐hydroxyethyl acrylate) branches on irradiated‐cornstarch for polyester warp sizing

Zha

Sadi

Yang

et al. 2020

J of Applied Polymer Sci

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Starch‐based materials have received great attention for textile warp sizing due to their high modification potentiality, low cost, and biodegradability. However, the brittleness of starch film and low compatibility with polyester has made it challenging to withstand the friction of modern high‐speed weaving machinery. To overcome such drawbacks, a series of irradiated‐cornstarch acetate‐g‐poly (acrylic acid‐co‐2‐hydroxyethyl acrylate) samples with different grafting ratios were designed and prepared in this study. Fourier transform infrared, X‐ray diffraction, and scanning electron microscopy were employed to characterize the structural properties. The prepared starches were cooked for sizing on the roving and spun yarn, for the film formation. The adhesion was evaluated by measuring the bonding force of starch to roving fibers, the abrasion resistance of sized polyester yarn, and water dispersion. Whereas the film properties were investigated in terms of tensile strength, elongation, hydrophilicity, and moisture regain from the air. Results revealed that esterification‐grafting can significantly improve adhesion and film mechanical properties. The enhancement of abrasion resistance reached to 262%. With the increase of grafting ratio, hydratability, water dispersion, and elongation of the film increased, twice as high as that of irradiated‐cornstarch (IS). Desizability was above 88%, reaching the industry standard. The improvement in the warp sizing performance demonstrated that combining acetylation with hydrophilic branches is an effective strategy for the development of high‐performance starch sizing materials.

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Modification of starch by graft copolymerization

et al. 2017

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Research toward bio-based and biodegradable polymers has received a lot of attention these last years, due to environmental concerns and the need to replace fossil resources. Starch is in this frame an interesting starting material due to its abundance and low cost. Native starch displays however, poor mechanical properties and is highly hydrophilic. New starch-based thermoplastic materials can be prepared to overcome these drawbacks by chemical modification, and notably graft copolymerization. A large range of polymers can be grafted on starch by ring-opening and radical polymerizations of various monomers in order to modulate the properties of the final product. Polymers can also be directly grafted onto starch using coupling strategies. This review presents the state of the art in the field.

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Introduction of poly[(2-acryloyloxyethyl trimethyl ammonium chloride)-co-(acrylic acid)] branches onto starch for cotton warp sizing

Cited by 53 publications

References 37 publications

Phosphorylation and Octenylsuccinylation of Acid‐Thinned Starch for Enhancing Adhesion on Cotton/Polyester Blend Fibers at Varied Temperature Sizing

Phosphorylation and Octenylsuccinylation of Acid‐Thinned Starch for Enhancing Adhesion on Cotton/Polyester Blend Fibers at Varied Temperature Sizing

Evaluation of the synergistic effect of acetylation and poly(acrylic acid‐co‐2‐hydroxyethyl acrylate) branches on irradiated‐cornstarch for polyester warp sizing

Modification of starch by graft copolymerization

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