antioxidant segregation and crystallisation at polyester
Antioxidant segregation and crystallisation at polyester
Antioxidant segregation and crystallisation at polyester surfaces studied by ToF-SIMS. ... antioxidants have to be physically retained during the processing and subsequent exposure to the environment , . They are usually highly soluble at elevated processing temperatures, but often pass through the equilibrium solubility on cooling and the ...
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Antioxidant segregation and crystallisation at polyester
Antioxidant segregation and crystallisation at polyester surfaces studied by ToF-SIMS. Author links open overlay panel N. Médard a N. Médard a
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Antioxidant segregation and crystallisation at polyester
Antioxidant segregation and crystallisation at polyester surfaces studied by ToF-SIMS Article (Available) in Applied Surface Science 203:571-574 · January 2003 with 169 Reads
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Antioxidant segregation and crystallisation at polyester
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Antioxidant segregation and crystallisation at polyester
Read "Antioxidant segregation and crystallisation at polyester surfaces studied by ToF-SIMS, Applied Surface Science" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
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Antioxidant segregation and crystallisation at polyester
Home » Antioxidant segregation and crystallisation at polyester surfaces studied by ToF-SIMS Antioxidant segregation and crystallisation at polyester surfaces studied by ToF-SIMS Primary tabs
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Antioxidant segregation and crystallisation at polyester
Multivariate statistical methods (PCA) allowed us to quantify the additive surface concentration in the lower concentration range (≤0.3 wt.%). ToF-SIMS imaging confirmed the uniform surface covering and, for higher concentration (5.5 additive wt.%), showed the formation of additive crystals on the top of the additive covered PETI surface.
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A Multiscale Approach to Assess the Complex Surface
Impact of the recrystallization conditions on the antioxidant polymorphism, on the film wettability and on the antioxidant leachability. International Journal of Pharmaceutics, Vol. 437, Issue. 1-2, p. 89. ... Antioxidant segregation and crystallisation at polyester surface studied by ToF SIMS.
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Polymorphism of Irganox 1076®: Discovery of new forms
Antioxidants are usually highly soluble in the polymer at elevated processing temperatures, but on cooling, the polymer may become supersaturated with the stabilizer. This can result in a surface segregation and a crystallization process of the additive , in one of its polymorphic
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Blooming of Irganox 3114® antioxidant onto a medical grade
Blooming of Irganox 3114 ® antioxidant onto a medical grade elastomer. Impact of the recrystallization conditions on the antioxidant polymorphism, on the film wettability and on the antioxidant leachability ... A. Auditore, T.M. Duc, H. Montigaud, F. Vernerey, C. Poleunis, P. BertrandAntioxidant segregation and crystallisation at polyester ...
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Antioxidant segregation and crystallisation at polyester
This can result in a surface segregation and. crystallisation process of the additive (the ``blooming''. effect) that can largely modify and deteriorate the.Thin films (150 nm) of an amorphous polyester (polyethylene(terephthalate–isophthalate)) containing variable concentrations of an antioxidant
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Periodically clickable polyesters: Study of intra-chain self-segregation
yield polyesters carrying long-chain alkylene segments in the backbone and, either one or twoInterestingly, the independent crystallization of both the alkylene and fluoroalkyl segments leads to theThe controlled folding of the long-chain alkylene polyesters by periodically "clicking" immiscible
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Segregation (materials science)
In materials science, segregation is the enrichment of atoms, ions, or molecules at a microscopic region in a materials system. While the terms segregation and adsorption are essentially synonymous, in practice
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Antioxidants, an international, peer-reviewed Open Access journal.
All Journals Acoustics Actuators Administrative Sciences Aerospace Agriculture AgriEngineering Agronomy AI Algorithms Animals Antibiotics Antibodies Antioxidants Applied Mechanics Applied Sciences Applied System Innovation (ASI)
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Emerging Roles of Propolis: Antioxidant, Cardioprotective,
The antioxidant capacity of propolis may be related to some of its biological effects, including chemoprevention. The flavonoids in propolis are powerful antioxidants, capable of scavenging free radicals and thereby protecting the cell membrane against lipid peroxidation [42].
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Soft-and hard-segment phase segregation of polyester-based
Polyester-6-6-1 and polyester-6-6-2 consisting of even carbon monomers, had a higher degree of crystallinity at room temperature than polyester-7-5The effect of polyester molecular weight and soft and hard-segmental geometric structure on the soft-and hard-segmental phase segregation was
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Dangerous Goods Segregation Table and Principles
Understanding dangerous goods segregation table, principles of hazardous materials segregation during transport and storage.In this article, we will share with you dangerous goods segregation table, the general principles of segregation, and how to get necessary information to determine
Send InquiryGender segregation at work: "separate but equal" - Equitable Growth
Sex segregation in the workplace remains a problem as social norms continue to restrict occupational choices by women and men, thereby distorting laborAt the microeconomic level, occupational segregation by gender substantially depresses female wages and contributes to the gender wage gap.
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Crystallisation and Precipitation Research Unit
The Crystallization and Precipitation Research Unit (CPU) is proud to have had four students participate in the event.At the 4th annual EBE Research Expo, Cledwyn Mangunda, a PhD candidate in the Crystallisation and Precipitation Unit received the best poster prize in the Chemical
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Antioxidant - an overview | ScienceDirect Topics
Antioxidants are used in food to protect it from deleterious effects of oxidation and are also employed as dietary supplements to neutralize the adverse effects of oxidative stress. Many of the natural antioxidants of interest are of plant origin and belong to the phenolic and polyphenolic class of
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