Buscar
Mostrando ítems 1-10 de 12
Comparative thermal degradation of biodegradable and oxo-degradable polymeric blends used in shopping bags in Brazil Close
(2013)
In the present study, a blend of poly(butylene adipate-co-terephtalate) –
PBAT and poly(lactic acid) – PLA used for biodegradable shopping plastic bags
was investigated, together with control samples of polyethylene ...
Thermal Degradation and Kinetic Parameters of Polyester and Poly(Lactic Acid) Blends Used in Shopping Bags in Brazil
(New York, 2014)
In this work, synthetic polyester and poly(lactic acid) blends used as biodegradable shopping plastic bags were studied, together with control samples of polyethylene containing pro-oxidant catalysts (called “oxidegradable ...
Food packaging bags based on thermoplastic corn starch reinforced with talc nanoparticles
(Elsevier, 2014-05-09)
Packaging bags from thermo-compressed films of thermoplastic corn starch containing talc nanoparticles (0, 1, 3 and 5% w/w) were developed. Mechanical properties of films were studied by two different techniques (tensile ...
Stochastic economic analysis of investment projects in forest restoration involving containerized tree seedlings in brazil
(2021-10-01)
Background: Experts in ecological restoration have discussed the cost reduction to make forest restoration financially feasible. This is very important in developing countries, such as Brazil, and for smallholder farmers; ...
Retinyl palmitate flexible polymeric nanocapsules: Characterization and permeation studies
(Elsevier Science BvAmsterdamHolanda, 2010)
Neutron activation analysis for chemical characterization of Brazilian oxo-biodegradable plastics
(Springer, 2015-01-01)
The chemical characterization of oxo-biodegradable plastic bags was performed by neutron activation analysis. The presence of several chemical elements (As, Br, Ca, Co, Cr, Fe, Hf, K, La, Na, Sb, Sc, Ta and Zn) with large ...
Biodegradability of antimicrobial edible films and coatings : what's the real thing?
(Juniper Publishers, 2019)
Abstract: Opinion
Most food products are susceptible to chemical deterioration and microbiological spoilage and therefore represent a high risk for consumer health and also to food producers’ economy. Moreover, the presence ...
CULTIVATION of THE EDIBLE MUSHROOM OUDEMANSIELLA CANARII (JUNGH.) HÖHN. IN LIGNOCELLULOSIC SUBSTRATES
(Sociedade Brasileira de Microbiologia, 2001-10-01)
O cogumelo comestível Oudemansiella canarii (Jungh.) Höhn., é comum no território brasileiro, sendo encontrado em diferentes biomas, onde colonizam várias espécies vegetais. Neste estudo, o cultivo deste basidiomiceto foi ...
Films de polietileno oxo-degradados mediante envejecimiento acelerado por radiación UV y calor
(Universidad Católica Argentina. Facultad de Química e Ingeniería "Fray Rogelio Bacon". Departamento de Investigación Institucional, 2014)
Resumen: Los materiales plásticos utilizados en la industria del embalaje y transporte de mercaderías familiares e industriales, presentan numerosas ventajas que los han puesto en su lugar durante los últimos 50 años. En ...
Root development in F1 coffe hybrids obtained by tissue cultureEstudio del desarrollo radical en almácigo de híbridos F1 de café obtenidos por cultivo de tejidos
(2014-07-04)
F1 Hybrid seedlings, obtained by indirect somatic embryogenesis, were acclimatizated under greenhouse conditions, separated in 2 types of container: biodegradable mesh with compressed turf (Jiffy®) and the other on ...