The effect of citric acid on the structural properties and cytotoxicity of the polyvinyl alcohol/starch films when molding at high temperature

By R. Shi, J. Bi, Zizheng Zhang, Aichen Zhu, Dafu Chen, Xinhua Zhou, Liqun Zhang, Wei Tian. 2008

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Preparation of single or double-network chitosan/poly(vinyl alcohol) gel films through selectively cross-linking method (2009, background): “Poly(vinyl alcohol) (Scheme 1(B)) is one of the most typical polymers which have the capability to form polymer-ion complexation with some small molecules such as citric acid (Bodugoèz, Pekel, & Guèven, 1999; Shi et al., 2008) and borate (Kim et al.”
Properties and ageing behaviour of pea starch films as affected by blend with poly(vinyl alcohol) (2015, neutral): “…effect of the incorporation of different additives to the blends, such as citric acid, 76 glutaraldehyde or urea (Gupta et al 2014; Luo et al, 2012; Shi et al, 2008; Ramaraj et 77 al., 2006), calcium chloride (Jiang et al., 2012), poly(methyl methacrylate-co-78 acrylamide) nanoparticles (Yoon et…”
PVA, PVA Blends, and Their Nanocomposites for Biodegradable Packaging Application (2017, background): “Notwithstanding that starch is often used as a biopolymer matrix to reduce environmental pollution by improving the biodegradation of other polymers, it can also be used in the form of particles or platelets as reinforcements[82,102,103].”
Thermoplastic starches: Properties, challenges, and prospects (2013, background): “[74] Shi, R.”
Chemical Modification of Poly(Vinyl Alcohol) in Water (2015, background): “PVA has excellent chemical resistance, a good mechanical property, a good film forming capability and an excellent biocompatibility [2].”