2021
DOI: 10.1007/s10570-021-04190-1
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Innovative ionic liquids as functional agent for wood-polymer composites

Abstract: Chemical modification of lignocellulosic fillers is a hydrophobization process that has been used for years in the production of wood-polymer composites (WPCs). However, finding new, more effective modifiers is still a big challenge and remains the subject of much research. This study involved the chemical modification of wood with the use of newly designed ammonium and imidazolium ionic liquids containing reactive functional groups. The effectiveness of the modification was confirmed using FTIR and XRD techni… Show more

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Cited by 12 publications
(8 citation statements)
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“…An interesting conclusion was reached by Borysiak et al [4], who treated wood chemically with ammonium ionic liquids and obtained a plastic filler characterized by a significantly lower density of the transcrystalline layer in the tested composite systems than polymers with unmodified wood. On the other hand, Odalanowska et al [54] showed higher nucleation activity of fillers functionalized with imidazolium ionic liquids than their native counterparts.…”
Section: Analysis Of Crystallization Processmentioning
confidence: 99%
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“…An interesting conclusion was reached by Borysiak et al [4], who treated wood chemically with ammonium ionic liquids and obtained a plastic filler characterized by a significantly lower density of the transcrystalline layer in the tested composite systems than polymers with unmodified wood. On the other hand, Odalanowska et al [54] showed higher nucleation activity of fillers functionalized with imidazolium ionic liquids than their native counterparts.…”
Section: Analysis Of Crystallization Processmentioning
confidence: 99%
“…One of the works that focuses on the use of organic salts without the use of additive solvents is the study of Borysiak et al [4], whose lignocellulosic filler (Pinus sylvestris L.) modified with didecyldimethylammonium bis(trifluoromethylsulfonyl)imide in combination with a polypropylene matrix showed increased nucleation activity, and the polymer composite had better strength parameters than the pure polymer matrix. Moreover, Odalanowska et al [54] using ammonium and imidazolium ionic liquids to functionalize wood proved that a properly carried out reaction, taking into account the structure of ionic liquids, is necessary to obtain plastic fillers characterized by better nucleation and strength parameters. In addition, the researchers noted that the structure of the used organic salts has a direct effect on the supermolecular structure of polypropylene composites.…”
Section: Of 21mentioning
confidence: 99%
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“…The addition of untreated and treated mukwa wood fillers into the PLA matrix shifted the peaks towards lower temperatures (Figure 10). Additionally, differences in the width of the peaks suggest a differentiation in the crystallisation process of the matrix (Odalanowska, Skrzypczak and Borysiak 2021). The crystallisation (Tc) and melting point (Tm) values for PLA, untreated, and treated mukwa/PLA composites, together with the calculated crystallinity index (Xc), have been presented in Table 2.…”
Section: Differential Scanning Calorimetry (Dsc)mentioning
confidence: 99%
“…The interaction of cellulosic fibers with polymeric materials is affected by numerous hydroxyl groups (-0H) responsible for strong hydrogen interactions between chains. Also, the incompatibility of hydrophilic lignocellulosic fiber with the hydrophobic polymeric matrix is primarily caused by the polar structure of cellulose (Odalanowska, Skrzypczak and Borysiak 2021). WPCs have strong affinity to moisture and their overall performance of WPCs is negatively influenced by the hydrophilic nature of wood (Adhikary, Pang andStaiger 2008, Butylina, Martikka andKärki 2010).…”
Section: Introductionmentioning
confidence: 99%