Exploració per tema "Hemp"
Ara es mostren els items 21-38 de 38
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GC-MS metabolite profile and identification of unusual homologous cannabinoids in high potency Cannabis sativa
(2020-02-13)
Article
Accés obertPhytochemical investigation of the lipids extracted from seeds of Cannabis sativa by GC-MS showed 43 cannabinoids, 16 of which are new. The extract is dominated by ¿9-tetrahydrocannabinolic acid (A) and its neutral derivative ... -
Hemp cottonization
(International Federation of Associations of Textile Chemists and Colourists (IFATCC), 2021)
Comunicació de congrés
Accés restringit per política de l'editorial -
Hempcrete: análisis del impacto ambiental del hormigón de cáñamo, una oportunidad de desarrollo para el Perú y Latinoamérica
(Universitat Politècnica de Catalunya, 2023-05-15)
Projecte Final de Màster Oficial
Accés obertEl calentamiento global, la contaminación ambiental, la generación de residuos y el agotamiento de los recursos naturales han ocasionado que se genere una concientización sobre los desafíos que se deben abordar de una ... -
In-plane cyclic loading of masonry walls strengthened by vegetal-fabric-reinforced cementitious matrix (FRCM) composites
(Elsevier, 2020-10-15)
Article
Accés obertFabric-reinforced cementitious matrix (FCRMs) are promising composite materials for the retrofitting and reinforcement of existing structures. In this study, vegetal meshes consisting of hemp and cotton coated with epoxy ... -
Influence of alkaline delignification time on the moisture uptake behaviour of hemp
(2021-09-20)
Article
Accés obertThe influence of the alkaline delignification of hemp on its moisture uptake has been studied under the project “Preparation and functionalization of hemp for textile substrates” focussed on the reduction of cotton imports ... -
Influence of the time of alkaline delignification on moisture uptake behaviour of hemp
(2021)
Text en actes de congrés
Accés restringit per política de l'editorialRaw hemp fibres are alkaline delignified at different times in order to evaluate the effect of time of delignification on moisture uptake behaviour of hemp. Lignin content of samples is measured. Samples of original and ... -
Influencia de la tecnologia del cultivo en las propiedades mecánicas de la fibra cortical del cáñamo (Cannabis sativa L).
(Universitat Politècnica de Catalunya, 2018-07-13)
Treball Final de Grau
Accés restringit per decisió de l'autorFibrous cultivations are acquiring great value as a source of alternative fiber to reduce the negative impact generated by other products, such as asbestos, petroleum products or synthetic materials. Within the field of ... -
Kinetics of alkaline delignification of hemp and determination of lignin content by thermogravimetry
(2022-04-28)
Article
Accés obertRaw hemp (Cannabis sativa L.) was subjected to alkaline delignification with the application of NaOH ranging from [0.125M] to [1M] for times from 5 to 480¿min. Lignin contents of the original and delignified samples were ... -
Masonry walls strengthened with vegetal fabric reinforced cementitious matrix (FRCM) composites
(International Centre for Numerical Methods in Engineering (CIMNE), 2021)
Comunicació de congrés
Accés restringit per política de l'editorialFabric-reinforced cementitious matrices (FCRMs) are promising composite materials for the retrofitting and reinforcement of existing structures. In this study, vegetal meshes consisting of hemp and cotton coated with epoxy ... -
Microencapsulació de l'oli essencial de cànem per l'obtenció de microcàpsules amb propietats antibacterianes
(Universitat Politècnica de Catalunya, 2022-10-10)
Treball Final de Grau
Accés obertLes infeccions nosocomials (INs) són un tòpic d'elevada preocupació i interès dins del sector biomèdic, pel fet que presenten una elevada prevalença a escala mundial. En aquest projecte es busca contribuir en la prevenció ... -
Optimización del proceso cotonización de cáñamo para sustratos textiles
(Asociación Española de Químicos y Coloristas Textiles, 2019-10-01)
Article
Accés obertLa sustitución del uso del algodón por el cáñamo conlleva un sinnúmero de ventajas medioambientales y económicas. Debido a su ubicuidad, su cultivo con reducidos requerimientos de pesticidas y agua y, a características ... -
Performance of hemp-FRCM-strengthened beam subjected to cyclic loads
(2022-03-03)
Article
Accés obertFabric-reinforced cementitious matrix (FRCM) composites are materials that are usually applied to strengthen existing structures. In this study, a hemp mesh coated with epoxy was manufactured and combined with a cementitious ... -
Study of dyeing process of hemp/cotton fabrics by using natural dyes obtained from rubia tinctorum L. and calendula officialis
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-10-25)
Article
Accés obertThe objective of this work was to assess the possibility of dyeing a substrate composed of non-textile industrial hemp using natural dyes from common madder (Rubia Tinctorum L.) and calendula (Calendula Officialis) and ... -
The delignification of hemp trough the enzyme laccase with mediator HBT: with the addition of a bleaching process of pre-treated hemp with hydrogen peroxide
(Universitat Politècnica de Catalunya, 2021-06-28)
Treball Final de Grau
Accés restringit per decisió de l'autor
Realitzat a/amb: Odisee VZWThe purpose of this project was to get a better understanding of the delignification kinetics of the enzyme laccase with the mediator HBT (Hydroxybenzotriazole) on hemp and lignin as a substrate. The end goal was to find ... -
Topography of the interfacial shear strength and the mean intrinsic tensile strength of hemp fibers as a reinforcement of polypropylene
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-02-20)
Article
Accés obertThe strength of the interphase between the reinforcements and the matrix has a major role in the mechanical properties of natural ¿ber reinforced polyole¿n composites. The creation of strong interphases is hindered by the ... -
Towards sustainable building solutions: Development of hemp shiv-based green insulation material
(2024-01-13)
Article
Accés restringit per política de l'editorialThere is currently a growing need for sustainable and environmentally friendly materials. One promising candidate is hemp shiv, which is considered waste material. hemp shiv exhibits lightweight properties and high insulation ... -
Viabilitat tècnica i econòmica del cànem industrial als secans frescals i semifrescals de Catalunya
(2006-12)
Report de recerca
Accés obert