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Robust surface with thermally stable hydrophobicity enabled by electrosprayed fluorinated SiO2 particles / Haojun Liu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 19, N° 1 (01/2022)
[article]
Titre : Robust surface with thermally stable hydrophobicity enabled by electrosprayed fluorinated SiO2 particles Type de document : texte imprimé Auteurs : Haojun Liu, Auteur ; Yunxi Zhang, Auteur ; Zhijun Ma, Auteur ; Hang Zhang, Auteur Année de publication : 2022 Article en page(s) : p. 347-353 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Caractérisation
Chimie des surfaces
Dioxyde de silicium
Hydrophobie
Particules (matières)
Pulvérisation électrostatique
Stabilité thermique
Système de pulvérisation (technologie)Index. décimale : 667.9 Revêtements et enduits Résumé : Highly hydrophobic surface property is important for many applications, such as anticorrosion, antifogging, and antifouling. With regard to some practical applications, both mechanical endurance and thermal stability are essential. Here, we report a new method for making highly hydrophobic surfaces with simultaneously enhanced mechanical endurance and thermal stability. Such high-performance hydrophobic surfaces were prepared by coating electrospraying derived fluorinated SiO2 particles on various substrates, including glass slide, ceramic wafer, metal foil, and polymer sheet, with methyl silicone resin as the binder. Fluorinate silane was homogenously doped in the matrix of SiO2 particles, which can provide excellent protection effect. Meanwhile, the thermally stable methyl silicone resin can afford strong binding force between SiO2 particles and the substrates. Therefore, the hydrophobic surfaces created here possess both high mechanical endurance and excellent thermal stability. Note de contenu : - Experimental : Fabrication of thermally stable hydrophobic surface
- CharacterizationDOI : https://doi.org/10.1007/s11998-021-00540-7 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-021-00540-7.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37163
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Code-barres Cote Support Localisation Section Disponibilité 23313 - Périodique Bibliothèque principale Documentaires Disponible Salt-pH effects on collagen thermal stability in pickling and curing / A. E. Russel in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 59 (Année 1975)
[article]
Titre : Salt-pH effects on collagen thermal stability in pickling and curing Type de document : texte imprimé Auteurs : A. E. Russel, Auteur Année de publication : 1975 Article en page(s) : p. 6-13 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bases (chimie)
Collagène
Halogénures
pH
Stabilité thermique
SulfatesLe sulfate est le sel de l'acide sulfurique H2SO4. La formule de l'ion sulfate est SO42-.Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Effects of alkali halides and sulphates on thermal stability of insoluble and precipitated fibrous collagens have been examined in the acid-to-neutral pH range. The salt-pH levels studied corresponded to the range of conditions encountered from acid pickling to saturated brine curing. Fluoride and chloride salts stabilised collagen whereas the bromides and iodides tented to stabilise at low concentrations in acid solution only, but were structural destabilisers at high concentration. Halide effects were strongly pH-dependent and a feature of the results was the relatively small increase in collagen stability in saturated sodium chloride at neutral pH (curing conditions) compared with the large stability increase found at saturation at acid pH. Alkali sulphates on the other hand, stabilised fibrous collagen substantially at all pH levels. Assuming that an increase in heat stability of collagen is also correlated with incresed resistance to bacterial attack, the results suggest that curing in acidified brine offers additional protection. In addition, salt concentration in acid medium can be substantially decreased without affecting the excess stability in collagen. Practical implications of these results are discussed with reference to the problem of salt reduction in curing and the use of sulphates as penetration assistants in Mimosa cure and rapid vegetable tannage. Note de contenu : - EXPERIMENTAL : Materials - Measurement of thermal stability
- DISCUSSION : Salt-pH interactions in curing and pickling - Dry salt curing - Drum brining - Alkali sulphate effects on collagen stabilityEn ligne : https://drive.google.com/file/d/18d5da53f-G1PlxshtuMMV7m-aC4L1LqN/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31041
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 59 (Année 1975) . - p. 6-13[article]Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 008595 - Périodique Archives Documentaires Exclu du prêt Salt-pH effects on collagen thermal stability in pickling and curing / A. E. Russel in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 59, N° 1 (01-02/1975)
[article]
Titre : Salt-pH effects on collagen thermal stability in pickling and curing Type de document : texte imprimé Auteurs : A. E. Russel, Auteur Année de publication : 1975 Article en page(s) : p. 6-13 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bases (chimie)
Collagène
Halogénures
pH
Stabilité thermique
SulfatesLe sulfate est le sel de l'acide sulfurique H2SO4. La formule de l'ion sulfate est SO42-.Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Effects of alkali halides and sulphates on thermal stability of insoluble and precipitated fibrous collagens have been examined in the acid-to-neutral pH range. The salt-pH levels studied corresponded to the range of conditions encountered from acid pickling to saturated brine curing. Fluoride and chloride salts stabilised collagen whereas the bromides and iodides tented to stabilise at low concentrations in acid solution only, but were structural destabilisers at high concentration. Halide effects were strongly pH-dependent and a feature of the results was the relatively small increase in collagen stability in saturated sodium chloride at neutral pH (curing conditions) compared with the large stability increase found at saturation at acid pH. Alkali sulphates on the other hand, stabilised fibrous collagen substantially at all pH levels. Assuming that an increase in heat stability of collagen is also correlated with incresed resistance to bacterial attack, the results suggest that curing in acidified brine offers additional protection. In addition, salt concentration in acid medium can be substantially decreased without affecting the excess stability in collagen. Practical implications of these results are discussed with reference to the problem of salt reduction in curing and the use of sulphates as penetration assistants in Mimosa cure and rapid vegetable tannage. Note de contenu : - EXPERIMENTAL : Materials - Measurement of thermal stability
- DISCUSSION : Salt-pH interactions in curing and pickling - Dry salt curing - Drum brining - Alkali sulphate effects on collagen stabilityEn ligne : https://drive.google.com/file/d/18d5da53f-G1PlxshtuMMV7m-aC4L1LqN/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31858
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Code-barres Cote Support Localisation Section Disponibilité 007101 - Périodique Bibliothèque principale Documentaires Disponible SBC : Dexco confirme ses ambitions / Dmitri Savostianoff in CAOUTCHOUCS & PLASTIQUES, N° 717 (10/1992)
[article]
Titre : SBC : Dexco confirme ses ambitions Type de document : texte imprimé Auteurs : Dmitri Savostianoff, Auteur Année de publication : 1992 Article en page(s) : p. 99-101 Langues : Français (fre) Catégories : Caoutchouc -- Propriétés mécaniques
Caoutchouc -- Propriétés thermiques
Caoutchouc styrène-butadiène
Copolymères séquencés
Stabilité thermiqueIndex. décimale : 668.4 Plastiques, vinyles Résumé : Dexco, joint-venture entre Exxon Chemical et Dow Chemical, vient de lancer, simultanément des deux côtés de l'Atlantique, sa gamme de blocs copolymères styréniques (SBC). Note de contenu : - De très nombreuses applications
- Une activité complémentaire
- ISO 9002 pour Dexco
- TABLEAUX : 1. Influence de la teneur en "diblocs" sur les propriétés mécaniques - 2. Stabilité thermique des SBC à 100°CPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25564
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Code-barres Cote Support Localisation Section Disponibilité 002548 - Périodique Bibliothèque principale Documentaires Disponible A scalable process for the generation of durable easy-to-clean coatings on foils / Alexander S. Münch in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 6 (11/2019)
[article]
Titre : A scalable process for the generation of durable easy-to-clean coatings on foils Type de document : texte imprimé Auteurs : Alexander S. Münch, Auteur ; Andrej Stake, Auteur ; Thomas Lukasczyk, Auteur ; Annika Stalling, Auteur ; Tina Fritzsche, Auteur ; Volkmar Stenzel, Auteur ; Petra Uhlmann, Auteur Année de publication : 2019 Article en page(s) : p. 1515-1525 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Chlorure de polyvinyle
Polyéthylène téréphtalate
Polymères -- Synthèse
Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques
Revêtements décoratifs:Peinture décorative
Revêtements organiques
Stabilité chimique
Stabilité thermique
Surfaces -- Nettoyage
Surfaces fonctionnelles
ZwitterionsUn zwitterion (de l'allemand Zwitter — "hybride", "hermaphrodite » prononcé [tÍœsvɪtÉ›rjɔ̃]) est une espèce chimique moléculaire possédant des charges électriques formelles d’une unité, de signes opposés et situées en général sur des atomes non adjacents (dans le cas où les deux charges formelles sont portées par deux atomes adjacents, on parle d'ylures comme les ylures de phosphore). Les acides aminés, qui possèdent des groupements amine (sous forme d'ammonium NH3+ à pH =7) et acide carboxylique (sous forme de carboxylate COO- à pH =7) peuvent exister sous forme zwitterionique (à l'état solide, dans certaines gammes de pH en solution aqueuse) . Les bétaïnes sont d'autres exemples de zwitterions.Index. décimale : 667.9 Revêtements et enduits Résumé : The cleaning of decorative surfaces, e.g., on furniture or in automotive industry, is a time-consuming process with high maintenance costs that partly requires special cleaning chemicals as well as a laborious manual effort. To ease the cleaning process, easy-to-clean coatings are intensively discussed and an enormous demand of this surface functionalization in different fields of applications is forecasted by all industrial branches. Therefore, a novel and durable easy-to-clean coating based on a UV-curable clearcoat with incorporated SiO2 particles and a thin functional polymer coating based on a zwitterionic phosphorylcholine was developed. The coating can be applied on PVC foils as well as PET foils and subsequently transferred to different decorative surfaces, e.g., via lamination or bonding. The developed three-step application process consists of a lacquering step with UV curing, a plasma surface modification, and the deposition of a thin functional polymer layer. It can be easily integrated in industrial printing or roll-to-roll processes, which are normally used for foil functionalization. With the presented coating, it is possible to remove oil impurities from the functionalized foil by pure water without the necessity of cleaning surfactants. Furthermore, the thermal, chemical, and mechanical durability of the coating will be discussed. Note de contenu : - EXPERIMENTAL SECTION : Materials - Synthesis of functional MPC polymer - Surface modification - Cleaning study - Characterization methods
- RESULTS AND DISCUSSION : Process and easy-to-clean properties - Investigation of the thermal, chemical, and mechanical stability - Functionalization of larger foil substratesDOI : 10.1007/s11998-019-00189-3 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-019-00189-3.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33256
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Code-barres Cote Support Localisation Section Disponibilité 21321 - Périodique Bibliothèque principale Documentaires Disponible Soluble collagen approach to a combination tannage mechanism / Eleanor M. Brown in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXI, N° 4 (04/2016)
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PermalinkStabilising retinol in skin care formulations / Gary Neudahl in PERSONAL CARE EUROPE, Vol. 7, N° 3 (04/2014)
PermalinkStabilization of collagen by cross-linking with a ferrous-gluconic acid compound / Yang Mao in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 99, N° 2 (03-04/2015)
PermalinkStudy of mechanical and moisture absorption behavior of epoxy/cloisite-15A nanocomposites processed using twin screw extruder / G. Angadi in INTERNATIONAL POLYMER PROCESSING, Vol. XXXV, N° 3 (07/2020)
PermalinkStudy on flame retardancy and thermal stability of rigid polyurethane foams modified by amino trimethylphosphonate cobalt and expandable graphite / Bing Liu in INTERNATIONAL POLYMER PROCESSING, Vol. 38, N° 2 (2023)
PermalinkStudy on flame retardant properties and thermal stability of synergistically modified polyurethane foam with ammonium polyphosphate and barium phytate / Gaojie Ding in INTERNATIONAL POLYMER PROCESSING, Vol. 39, N° 3 (2024)
PermalinkStudy on the crosslinking modification of collagen-based materials by DMTMM in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVIII, N° 5 (05/2023)
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PermalinkStudy on the thermal stability and smoke suppressant effect of polyurethane foam modified by ammonium lignosulfonate / Xu Zhang in INTERNATIONAL POLYMER PROCESSING, Vol. 39, N° 1 (2024)
PermalinkSustainable microcapsules for self-healing and corrosion protection in powder coatings / Vimal Saimi in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 210, N° 4661 (05/2020)
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PermalinkSynthesis and characterization of phosphorus- and silicon- containing flame-retardant curing agents and a study of their effect on thermal properties of epoxy resins / Seema Agrawal in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 11, N° 4 (07/2014)
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