Journal
INDUSTRIAL CROPS AND PRODUCTS
Volume 177, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.indcrop.2021.114461
Keywords
Corn starch; Graft polymerization; Amphipathic structure; Adhesion; Film properties; Cotton fibers
Categories
Funding
- Natural Science Foundation of Anhui Province [1908085ME124]
- Key Research and Development Program of Anhui Province [201904a06020001]
- Research Project of Anhui Polytechnic University [Xjky2020046]
- Open Project Program of Anhui Engineering and Technology Research Center of Textile, Anhui Province College of Anhui Province College Key Laboratory of Textile Fabrics [2021AETKL17]
- Youth Talent Training Program for Anhui Polytechnic University (2017), China
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The study demonstrated the superiority of the new PSAS/PEA structure in adhesion to cotton fibers and film properties, suggesting its potential application for sizing cotton warps. Increasing the grafting ratios of PSAS-g-S-g-PEA samples enhanced bonding strength, elongation at break, and bending endurance, indicating improved performance compared to S-g-P(SAS-co-EA) samples.
The main objective of this study was to reveal the superiority of new amphipathic poly(sodium allyl sulfonate) (PSAS)/poly(ethyl acrylate) (PEA) structure to control P(SAS-co-EA) structure in adhesion to cotton fibers and film properties. Another objective was to explore the effect of the grafting ratios of poly(sodium allyl sulfonate)g-starch-g-poly(ethyl acrylate) (PSAS-g-S-g-PEA) samples on the properties, so as to provide a new starch-based adhesive for cotton warp sizing. A series of PSAS-g-S-g-PEA samples and control S-g-P(SAS-co-EA) samples were prepared, and their adhesion to cotton fibers and film properties were evaluated. The PSAS-g-S-g-PEA samples with grafting ratios of 11.33% and 9.02% showed bonding strengths of 17.54 cN/tex and 17.01 cN/tex, and their film possessed elongations at break of 4.89% and 4.53%, and bending endurances of 2000 cycles and 1598 cycles, respectively. In contrast, the S-g-P(SAS-co-EA) samples with the ratios of 10.34% and 7.98% had bonding strengths of 16.33 cN/tex and 15.91 cN/tex, and their films showed elongations at break of 4.31% and 3.95%, and bending endurances of 1541 cycles and 1323 cycles, respectively. Therefore, the combination of the PSAS and PEA branches exhibited obvious superiority in the properties to P(SAS-co-EA) structure. Increasing the grafting ratios from 0% to 11.33% could increase the bonding strength from 14.92 cN/tex to 17.54 cN/tex and elongation at break from 2.58% to 4.89%, enhance bending endurance from 1075 cycles to 2000 cycles, and reduce film strength from 38.21 MPa to 32.02 MPa. PSAS-g-S-g-PEA as a new adhesive showed potential application for sizing cotton warps.
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