Effects of dehydration on the apolar surface energetics of inorganic paper fillers

Burry, William M.; Keller, D. Steven

doi:10.1016/s0021-9673(02)01082-8

Cited by 18 publications

(9 citation statements)

References 29 publications

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“…For instance, fillers with high amounts of active surface hydrogen ions, generate strong filler-filler networks that can lead to agglomeration problems during processing and limit the reinforcement efficiency of the filler in most non-polar elastomers. Although high energy sites are mainly associated with functional groups [18,40,65], the surface activity also depends on the accessibility of these sites, which is determined by the arrangement and orientation of surface chemical groups [66,67]. Furthermore, high energy sites also can arise at structural heterogeneities, such as boundaries between crystallites and amorphous regions [19,67,68].…”

Section: Surface Activitymentioning

confidence: 99%

“…Although high energy sites are mainly associated with functional groups [18,40,65], the surface activity also depends on the accessibility of these sites, which is determined by the arrangement and orientation of surface chemical groups [66,67]. Furthermore, high energy sites also can arise at structural heterogeneities, such as boundaries between crystallites and amorphous regions [19,67,68]. Therefore, highly active filler surfaces can result in a variety of interactions ranging from Van der Waals forces to chemical interactions.…”

Section: Surface Activitymentioning

confidence: 99%

“…Filler crystallinity can affect the filler surface activity, and hence, its interaction with rubber. Amorphous regions can concentrate on structural defects that translate into high energy sites [19,67]. Plant fibers and calcium carbonate particles have consistently displayed lower dispersive components of surface energy typical of materials with lower crystallinity [66,67].…”

Section: Filler Crystallinitymentioning

confidence: 99%

“…Amorphous regions can concentrate on structural defects that translate into high energy sites [19,67]. Plant fibers and calcium carbonate particles have consistently displayed lower dispersive components of surface energy typical of materials with lower crystallinity [66,67]. Crystallinity impacts particle tensile strength, modulus and water resistance, and so affects their reinforcing potential [11,31,54,127].…”

Section: Filler Crystallinitymentioning

confidence: 99%

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Characterization of Agricultural and Food Processing Residues for Potential Rubber Filler Applications

Barrera

Cornish

2019

J. Compos. Sci.

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Large volumes of agricultural and food processing residues are generated daily around the world. Despite the various potential uses reported for this biomass, most are still treated as waste that requires disposal and negatively impacts the environmental footprint of the primary production process. Increasing attention has been paid toward the use of these residues as alternative fillers for rubber and other large-scale commodity polymers to reduce dependence on petroleum. Nevertheless, characterization of these alternative fillers is required to define compatibility with the specific polymer, identify filler limitations, understand the properties of the resulting composites, and modify the materials to enable the engineering of composites to exploit all the potential advantages of these residue-derived fillers.

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Section: Surface Activitymentioning

confidence: 99%

Section: Surface Activitymentioning

confidence: 99%

Section: Filler Crystallinitymentioning

confidence: 99%

Section: Filler Crystallinitymentioning

confidence: 99%

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Characterization of Agricultural and Food Processing Residues for Potential Rubber Filler Applications

Barrera

Cornish

2019

J. Compos. Sci.

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“…Compared with other organic and inorganic fillers, calcium carbonate fillers have been investigated in more researches [9,10] because these have been widely used in a variety of industries such as plastics, paint, cosmetics, and papermaking [11][12][13]. Chemical purity, specific surface, particle size, and morphology play a significant role in determining the application of calcium carbonate in these areas [14].…”

Section: Introductionmentioning

confidence: 99%

Preparation and characterization of calcium carbonate–titanium dioxide core–shell (CaCO3@TiO2) nanoparticles and application in the papermaking industry

Tan

Zhao

2015

Powder Technology

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Properties and paper sizing application of waterborne polyurethanemicroemulsions: Effects of extender, cross‐linker, and polyol

Zhu

Wang

et al. 2016

J of Applied Polymer Sci

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A series of waterborne polyurethane (WPU) microemulsions were synthesized through self‐emulsification methodology, using toluene‐2,6‐diisocyanate, polytetramethylene glycol (PTMG), poly‐caprolactonediol (PCL), and dimethylol propionic acid (DMPA) as monomers; isophorone diamine (IPDA) as chain extender; and aziridine as cross‐linking agent. The resultant WPU microemulsions were utilized as surface‐sizing agents for cellulose fiber paper. The influences of IPDA content, PTMG/PCL molar ratio, and aziridine content on the physicochemical properties of the resultant emulsions and sized paper have been investigated in detail. The WPU microemulsion displayed better surface sizing properties when it was prepared under the following conditions: the IPDA content of 2.96%, PTMG/PCL molar ratio of 0:4, and aziridine content of 2.0 wt %. The relationships between the WPU structure and properties of WPU films and sized paper were clearly illustrated. The mechanical properties and water resistance of sized paper were not only depended on the interactions, chain entanglements, and cross‐linking density among the WPU chains, but also relied on the interactions among polymers and fibers, as well as the polarity and stiffness of surface sizing agent. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43211.

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Effects of dehydration on the apolar surface energetics of inorganic paper fillers

Cited by 18 publications

References 29 publications

Characterization of Agricultural and Food Processing Residues for Potential Rubber Filler Applications

Characterization of Agricultural and Food Processing Residues for Potential Rubber Filler Applications

Preparation and characterization of calcium carbonate–titanium dioxide core–shell (CaCO3@TiO2) nanoparticles and application in the papermaking industry

Properties and paper sizing application of waterborne polyurethanemicroemulsions: Effects of extender, cross‐linker, and polyol

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