Knowledge‐Based Production of Waterborne Hybrid Polymer Materials

Paulis, Marı́a; Asúa, José M.

doi:10.1002/mren.201500042

Cited by 29 publications

(28 citation statements)

References 141 publications

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“…In an attempt to pave the way to process optimization and on-line control, this work aims at evaluating the capability of the model to describe the evolution of the particle morphology during seeded semibatch emulsion polymerization, which is the most widely used process for the polymerization of waterborne polymer-polymer hybrids [55]. The evolution of the particle morphology during the copolymerization of styrene (S) and butyl acrylate (BA) on methyl methacrylate (MMA)-BA seeds of different Tgs was determined by Cryo and conventional TEM.…”

Section: Sundberg and Coworkersmentioning

confidence: 99%

Experimental validation of a mathematical model for the evolution of the particle morphology of waterborne polymer-polymer hybrids: Paving the way to the design and implementation of optimal polymerization strategies

Rajabalinia

Hamzehlou

Leiza

et al. 2019

Chemical Engineering Journal

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Polymer-polymer composite nanoparticles allow both the improvement of the performance in stablished applications of waterborne polymer dispersions and targeting new applications that are out of reach of currently available products. The performance of these materials is determined by the particle morphology. To open the way to process optimization and on-line control of the particle morphology, the capability of the recently developed model to predict the evolution of the particle morphology during seeded semibatch emulsion polymerization process was evaluated. Structured polymer particles were synthesized by copolymerization of styrene and butyl acrylate (St-BA) on methyl methacrylate and butyl acrylate (MMA-BA) copolymer seeds of different Tgs. The model captured well the effect of process variables on the evolution of the particle morphology, opening the way to the design and implementation of optimal strategies.

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Section: Sundberg and Coworkersmentioning

confidence: 99%

Experimental validation of a mathematical model for the evolution of the particle morphology of waterborne polymer-polymer hybrids: Paving the way to the design and implementation of optimal polymerization strategies

Rajabalinia

Hamzehlou

Leiza

et al. 2019

Chemical Engineering Journal

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“…In the production of waterborne binders (for coatings), emulsion polymerization is the most popular process. However, when it comes into hybrid waterborne binders, miniemulsion polymerization emerged as an alternative process, to overcome the limitations of emulsion polymerization when the inorganic material must be incorporated into the polymer particles [48][49][50]. Moreover, equilibrium morphology simulations have demonstrated that if the nanoparticles present good wettability in the monomer phase, they can be encapsulated in monomer nanodroplets and hence hybrid latexes with encapsulated morphology can be produced [51].…”

Section: Synthesis Of Acrylic/ceo 2 Hybrid Nanocomposites By Seeded Smentioning

confidence: 99%

Waterborne Acrylic/CeO2 Nanocomposites for UV Blocking Clear Coats

Aguirre¹,

Paulis²,

Leiza³

2019

Cerium Oxide - Applications and Attributes

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The encapsulation of inorganic nanoparticles into polymer particles opens the door to countless applications taking advantage of the properties of both phases. In this chapter the UV absorbing capacity of CeO 2 nanoparticles and the film forming capacity of acrylic polymers are combined. A synthetic route to produce waterborne acrylic/CeO 2 hybrid nanocomposites for UV absorbing coatings applications is presented. This strategy leads to encapsulated morphology of the CeO 2 nanoparticles into the polymer particles and therefore to the lack of agglomeration during film formation. A mathematical model developed for inorganic/organic hybrid systems is able to explain the morphology evolution from the initial monomer droplet to the polymer particles. The films cast from these latexes are transparent and show excellent UV absorption that increases with the amount of cerium oxide nanoparticles in the hybrid latex. Finally, the photoactivity behavior that the CeO 2 nanoparticles may have on the polymeric matrix is studied, discarding additional effects on the acrylic polymer matrix.Cerium Oxide -Applications and Attributes 106[27] Chiu F-C, Lai C-M. Optical and electrical characterizations of cerium oxide thin films.Journal of Physics D: Applied Physics. 2010;43(7):075104[28] Christensen PA, Dilks A, Egerton TA. Infrared spectroscopic evaluation of the photodegradation of paint. Part I. The UV degradation of acrylic films pigmented with titanium

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“…Furthermore, the emerging demand of modern society to reduce the emission of volatile organic compounds (VOC) led the interest of the scientific community to develop a new type of coatings: waterborne coatings [15] that use water as a medium to disperse a resin, thus making these coatings ecofriendly and easy to apply. These coatings are environmentally friendly, as American and European regulations require waterborne coatings to have a VOC content of less than 3.5 pounds per gallon of water.…”

Section: Introductionmentioning

confidence: 99%

Waterborne Acrylate-Based Hybrid Coatings with Enhanced Resistance Properties on Stone Surfaces

et al. 2018

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Abstract:The application of coating polymers to building materials is a simple and cheap way to preserve and protect surfaces from weathering phenomena. Due to its environmentally friendly character, waterborne coating is the most popular type of coating, and improving its performance is an important key of research. The study presents the results regarding the mechanical and photo-oxidation resistance of some water-based acrylic coatings containing SiO 2 nanoparticles obtained by batch miniemulsion polymerization. Coating materials have been characterized in terms of hydrophobic/hydrophilic behavior, mechanical resistance and surface morphology by means of water-contact angle, and scrub resistance and atomic force microscopy (AFM) measurements depending on silica-nanoparticle content. Moreover, accelerated weathering tests were performed to estimate the photo-oxidation resistance of the coatings. The chemical and color changes were assessed by Fourier-transform infrared spectroscopy (FTIR) and colorimetric measurements. Furthermore, the nanofilled coatings were applied on two different calcareous lithotypes (Lecce stone and Carrara Marble). Its properties, such as capillary water absorption and color modification, before and after accelerated aging tests, were assessed. The properties acquired by the addition of silica nanoparticles in the acrylic matrix can ensure good protection against weathering of stone-based materials.

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Knowledge‐Based Production of Waterborne Hybrid Polymer Materials

Cited by 29 publications

References 141 publications

Experimental validation of a mathematical model for the evolution of the particle morphology of waterborne polymer-polymer hybrids: Paving the way to the design and implementation of optimal polymerization strategies

Experimental validation of a mathematical model for the evolution of the particle morphology of waterborne polymer-polymer hybrids: Paving the way to the design and implementation of optimal polymerization strategies

Waterborne Acrylic/CeO2 Nanocomposites for UV Blocking Clear Coats

Waterborne Acrylate-Based Hybrid Coatings with Enhanced Resistance Properties on Stone Surfaces

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