Chemical product engineering: An emerging paradigm within chemical engineering

Costa, Raquel; Moggridge, Geoff D.; Saraiva, Pedro

doi:10.1002/aic.10880

Cited by 112 publications

(66 citation statements)

References 48 publications

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“…The main purpose of encapsulation is to entrap a core material into a protective matrix/shell that will confer unique properties in terms of controlled release, solubility or moisture resistance of microcapsules. The protection of essential oils, perfumes, deodorants, moisturizes and other active agents in polymer carriers with the purpose of controlled release over a certain period of time has been a question of considerable research in recent years [2,86,[106][107][108][109][110][111]. Controlled release technologies are used to deliver compounds such as drugs, pesticides, fragrances or flavors at prescribed rates, together with improved efficacy, safety and convenience [112].…”

Section: Microcapsules Morphology and Release Mechanismsmentioning

confidence: 99%

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Microencapsulation of essential oils with biodegradable polymeric carriers for cosmetic applications

Martins

Barreiro

Coelho

et al. 2014

Chemical Engineering Journal

289

167

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Microencapsulation provides an important tool for cosmetic and/or pharmaceutical industry, enabling protection and controlled release of several active agents. The encapsulation of essential oils in core-shell or matrix particles has been investigated for various reasons, e.g., protection from oxidative decomposition and evaporation, odor masking or merely to act as support to ensure controlled release. A large number of microencapsulation methods have been developed in order to be adapted to different types of active agents and shell materials, generating particles with a variable range of sizes, shell thicknesses and permeability, providing a tool to modulate the release rate of the active principle. With this work, an overview regarding properties and applications of essential oils and biodegradable polymers in the cosmetic field, focusing the use of polylactide as the base material to encapsulate thyme oil, as well as of microencapsulation processes with a particular emphasis on the coacervation, will be presented.2

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Section: Microcapsules Morphology and Release Mechanismsmentioning

confidence: 99%

“…Food, cosmetics, personal care and beauty/ pharmaceutical industries have become a multi-billion dollar international market [1][2][3]. In particular, the growth value of the beauty and personal care industry has been significant in emerging markets, such as Brazil, China, India, Indonesia and Argentina [4].…”

Section: Introductionmentioning

confidence: 99%

Microencapsulation of essential oils with biodegradable polymeric carriers for cosmetic applications

Martins

Barreiro

Coelho

et al. 2014

Chemical Engineering Journal

289

167

View full text Add to dashboard Cite

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“…Se piensa que esta materia sea un ámbito flexible donde se desprendan y se especifiquen temas puntuales que convoquen miradas y prácticas multidisciplinares, pertinentes con la formación actual del profesional de la ingeniería, teniendo en cuenta que su actividad no se circunscribe solamente a la esfera técnica, sino que transita desde lo técnico a lo social. (Costa et al, 2006;Gutiérrez Martin, 2007;Saraiva et al, 2007). Desde aportes multidisciplinares, en la materia optativa, los estudiantes podrán integrar las ecuaciones de balance de materia, energía y movimiento, que en el desarrollo de las asignaturas del área se analizan en forma separada por razones didácticas.…”

Section: Resultados Y Discusiónunclassified

“…Según Costa et al (2006), dicho concepto designa el marco de conocimientos, enfoques, metodologías y herramientas empleadas para analizar, desarrollar y producir un amplio rango de productos químicos con propiedades de uso final consideradas valiosas por el consumidor.…”

Section: Metodologíaunclassified

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Propuesta para la Enseñanza de la Ingeniería: Un Espacio Curricular Creado desde la Investigación-Acción

et al. 2008

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ResumenSe expone el proceso de construcción de una materia optativa para la enseñanza de Ingeniería Química, basada en la investigación-acción. En este contexto, desde una perspectiva interpretativa, los docentes investigadores modificaron el enfoque metodológico de sus clases y crearon estrategias pertinentes para distintas situaciones de enseñanza en el Área de las Operaciones Unitarias. Dichas estrategias convergieron en un espacio curricular integrador de conocimientos de la Ingeniería. Como ejemplo de aplicación de la estrategia propuesta, se desarrolló un caso en el tema de la energía solar. La experiencia de investigación-acción confirmó ser un espacio válido para la transformación y creación de estrategias flexibles, que articulen en la enseñanza de las ciencias y de las tecnologías, cuestiones sociales, frecuentemente soslayadas en Carreras de Ingeniería. Palabras clave: investigación-acción, enseñanza de la ingeniería, estrategias de enseñanza, energía solar Proposal for the Teaching of Engineering: A Curricular Space Created from Research-Action AbstractThe design of an optional course in chemical engineering based on the concept of research-action is shown here. In this context, from an interpretative point of view, instructor-researchers produced changes in the methodological approach of their teaching and created relevant strategies for different teaching situations in the area of Unit Operations. These strategies converged into an integrating curricular programme of expertise in the area of Engineering. As an example of the method proposed, a study case in the area of solar energy was developed. The research-action experience has proved to be a valid space for the transformation and creation of flexible strategies that articulate, in the teaching of sciences and technologies, social matters usually not considered in the Engineering Careers.

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Chemical Product Design and Engineering

Costa

Gabriel

Saraiva

et al. 2014

Kirk-Othmer Encyclopedia of Chemical Technology

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Today's chemical industry has goals that range from commodity chemicals to diverse high value added engineered chemical products, such as an exfoliating gel, a disposable nappy or an artificial heart valve. In response to these goals, chemical product engineering has been emerging within chemical engineering. In this chapter, chemical product engineering is described as a body of knowledge structured in terms of three main pillars: the chemical product pyramid; chemical product design and process design integration; and multifaceted multiscale approach. According to this conceptual model, these pillars support chemical product design as the central objective and operational facet of chemical product engineering. A six step template for chemical product design is also presented here. This template starts with the identification of the customer needs a successful product must be able to satisfy, followed by the translation of these needs into objective, quantitative terms. It then proceeds to the generation and selection of alternative product ideas, culminating with the full specification of the product functionality and characteristics. As chemical product engineering increases in importance, it needs systematization and heuristics, just as the well‐established traditional process engineering field has. Chemical products are immensely varied and the conceptual model and template discussed here do not offer a panacea; but they provide a framework within which thinking and practice are possible.

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Chemical product engineering: An emerging paradigm within chemical engineering

Cited by 112 publications

References 48 publications

Microencapsulation of essential oils with biodegradable polymeric carriers for cosmetic applications

Microencapsulation of essential oils with biodegradable polymeric carriers for cosmetic applications

Propuesta para la Enseñanza de la Ingeniería: Un Espacio Curricular Creado desde la Investigación-Acción

Chemical Product Design and Engineering

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