Results 81 to 90 of about 86,186 (276)

Crystallization and Melting Behavior of Biodegradable Poly(L-lactic acid)/Talc Composites

open access: yesE-Journal of Chemistry, 2012
Crystallization and melting behavior of Poly(L-lactic acid)(PLLA)/Talc composites with different talc content were investigated in detail. The addition of talc can increase the overall crystallization rate of PLLA, 5%talc makes the melt-crystallization ...
Yan-Hua Cai
doaj   +1 more source

Crystalline morphology of thermoplastic starch/talc nanocomposites induced by thermal processing

open access: yesHeliyon, 2019
A structural study about the changes induced by plasticization of native corn starch was carried out in this work. The influence of talc nanoparticles presence during starch thermal processing was also evaluated.
L. Castillo   +4 more
semanticscholar   +1 more source

Mineralogical and Geochemical Characterization of Talc from Two Mexican Ore Deposits (Oaxaca and Puebla) and Nine Talcs Marketed in Mexico: Evaluation of Its Cosmetic Uses

open access: yesMinerals, 2020
The detailed mineralogical, physical and chemical characterization of nine samples of imported cosmetic talc and of two samples of talc from currently non-productive Mexican ore deposits (Oaxaca and Puebla States) is presented. The imported cosmetic talc
T. Pi-Puig   +2 more
semanticscholar   +1 more source

Comparison of Recycled Polypropylene Sourced From Food and Nonfood Applications for Direct Food Contact Use

open access: yesPackaging Technology and Science, EarlyView.
Utilisation of postconsumer recycled (PCR) plastic for food contact has safety concerns due to the potential presence of unapproved intentionally/non‐intentionally added substances, which can pose health and environmental risks if not removed during recycling.
Khairun Tumu   +2 more
wiley   +1 more source

Recent Advances and Perspectives in UL‐94 V‐0 Rated Flame‐Retardant Polycarbonate: Addressing Challenges Under Per‐ and Polyfluoroalkyl Substances Bans

open access: yesSafety Science and Technology, EarlyView.
Based on the challenges and motivations of global PFAS bans, this review highlights recent advances in strategies achieving UL‐94 V‐0 flame retardancy in polycarbonate while maintaining critical comprehensive performances, offering perspectives for future R&D. ABSTRACT This review focuses on the recent advancements in the development of UL‐94 V‐0 rated
Ting Sai   +8 more
wiley   +1 more source

Evidence for two-dimensional nucleation of superconductivity in MgB$_{2}$ [PDF]

open access: yes, 2002
According to the crystal structure of MgB$_{2}$ and band structure calculations quasi-two-dimensional (2D) boron planes are responsible for the superconductivity.
A. N Rossolenko   +10 more
core   +2 more sources

Multi-objective optimization of carbon/glass hybrid composites with newly developed resin (NDR) using gray relational analysis [PDF]

open access: yes, 2020
Purpose: It is seen that little amount of work on optimization of mechanical properties taking into consideration the combined effect of design variables such as stacking angle, stacking sequence, different resins and thickness of composite laminates has
Bhalerao, Yogesh J.   +1 more
core   +1 more source

Ceramic Production and Geodiversity in Iron Age Iberia: An Archaeometric Study of Pottery from Castrejón de Capote (SW Spain)

open access: yesArchaeometry, EarlyView.
ABSTRACT The hillfort of Castrejón de Capote is one of the best investigated settlements of Late Iron Age southwest Iberia. Located in the territory that the classical sources attributed to the Celtici, it was occupied between the early 4th and the 1st centuries bce.
Beatrijs de Groot   +2 more
wiley   +1 more source

Material properties of nanoclay PVC composites [PDF]

open access: yes, 2009
Nanocomposites of poly(vinyl chloride) have been prepared using both hectorite- and bentonite-based organically-modified clays. The organic modification used is tallow-triethanol-ammonium ion.
Awad, Walid   +7 more
core   +1 more source

The cost of the consumer revolution: Prices, material living standards, and real inequality in Amsterdam (1630‒1805)

open access: yesThe Economic History Review, EarlyView.
Abstract This article measures the cost of the early modern consumer revolution through a quantitative analysis of product and process innovations in Amsterdam and examines their variegated social impact in two distinct datasets of probate inventories.
Bas Spliet, Anne E. C. McCants
wiley   +1 more source

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