Encapsulation of cellulose nanocrystals into acrylic latex particles via miniemulsion polymerization

Dogan-Guner, Ezgi M.; Schork, F. Joseph; Brownell, Stan; Schueneman, Gregory T.; Shofner, Meisha L.; Meredith, J. Carson

doi:10.1016/j.polymer.2021.124488

Cited by 7 publications

(5 citation statements)

References 28 publications

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“…Encapsulation of crystalline nanocellulose has been used to improve polymer properties. 42 Chemistries allowing for quasi-living free-radical polymerization (controlled radical polymerization, or CRP) have been recently developed. Whereas, in free radical polymerization, the radical chains have a lifetime of 1−10 s, controlled radical chemistries keep a large fraction of the radical chains alive and growing for the entirety of the polymerization.…”

Section: Polymerizationmentioning

confidence: 99%

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In Support of Commercial Applications of Miniemulsion Polymerization

Schork

2022

Ind. Eng. Chem. Res.

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This paper is not meant as a review of miniemulsion polymerization, but as a personal commentary from one who has seen its development at close range, on the potential of this technology for further commercialization. The paper discusses its advantages and disadvantages (over conventional emulsion polymerization), misconceptions about the technology, and specific areas in which its implementation might be highly beneficial.

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Section: Polymerizationmentioning

confidence: 99%

“…Silica nanoencapsulation must be used to provide mechanical reinforcement. Encapsulation of crystalline nanocellulose has been used to improve polymer properties …”

Section: Advantages Of Miniemulsion Polymerizationmentioning

confidence: 99%

In Support of Commercial Applications of Miniemulsion Polymerization

Schork

2022

Ind. Eng. Chem. Res.

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“…Different from the nucleation mechanism of micelles in traditional emulsion polymerization, the nucleation mechanism of miniemulsion polymerization was in the nanodrops. [43][44][45] In the water phase, the fragrance DPO was used as core material, HD was used as a costabilizer, SDS was used as an emulsifier. In the oil phase, DEA and DMA were used as monomers and AIBN was used as the initiator.…”

Section: The Formation Mechanism Of Fragrance Nanocapsulesmentioning

confidence: 99%

Preparation of temperature‐sensitive fragrance nanocapsules and its controllable release property

Zhao

Xu³

et al. 2022

Flavour & Fragrance J

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Temperature-sensitive nanocapsules with controllable release properties were synthesized through miniemulsion free radical polymerization method. Temperaturesensitive N,N-diethylacrylamide/N,N-dimethylacrylamide (DEA/DMA) copolymer were systematically synthesized as shell materials, and the fragrance-dementholized peppermint oil (DPO) was encapsulated as hydrophobic core material. The as prepared nanocapsules had high encapsulation efficiencies of more than 90% and small average diameters of less than 150 nm, as well as narrow polydispersity index (PDI) below 0.17. Furthermore, decreased DEA contents in shell material resulted in higher phase transition temperature and slower release rate of fragrance under the same temperature. By varying the copolymer composition of shell materials, the controllable release property of as prepared nanocapsules were also varied under different temperatures.

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“…3 CNCs have a high aspect ratio, a high tensile strength, and are highly stable in aqueous media which makes them particularly appealing for use in latex-based nanocomposites. 4,5 In addition to replacing petroleum-derived fillers, the hydrophilic nature of CNCs allows for their incorporation into hybrid acrylate-based materials using emulsion [6][7][8][9][10][11][12][13][14][15] and miniemulsion [16][17][18][19] polymerization (i.e., water-based synthetic routes) as opposed to solvent-based polymerization methodseliminating the requirement for evaporation of environmentally taxing solvents.…”

Section: Introductionmentioning

confidence: 99%