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Water-dispersible raw materials for hot melt adhesives / Richard A. Miller in ADHESIVES AGE, Vol. 39, N° 12 (11/1996)
[article]
Titre : Water-dispersible raw materials for hot melt adhesives Type de document : texte imprimé Auteurs : Richard A. Miller, Auteur ; Gregg M. Althen, Auteur Année de publication : 1996 Article en page(s) : p. 21-26 Langues : Américain (ame) Catégories : Adhésifs à usages médicaux
Adhésifs en phase aqueuse
Adhésifs thermofusibles
Cosmétiques
Emballages
Essais d'adhésion
Essais de pelage
Etiquettes
Matières premières
Nontissés
Polyesters
Polyéthylène
Polyéthylène téréphtalate
Polymères ramifiésIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : Repulping of paper products has created a need for hot melt adhesives that are water-dispersible. Eastman Chemical Co. has developed a family of branched, water-dispersible polyesters suitable for formulating aqueous dispersions as well as hot melt adhesives for packaging, nonwovens and other uses. Available in a range of viscosities, these materials offer the following key features when formulated into hot melt adhesives.
- 100% water-dispersible in ordinary tap water at room temperature in less than three hours; conventional industry standard formulations are non-dispersible.
- non-dispersible in ionic solutions (i.e., body fluids); competitive water-dispersible technologies are not ionic by nature and, therefore, likely to have some degree of solubility in saline solutions.
- superior adhesion to polyolefin films; hot melt adhesives based on these branched polyesters have from 10% to 110% better adhesion to PE and PET than conventional formulations. Some of the current technologies do not adhere to polyolefins.
- comparable key physical properties to conventional formulations; characteristics such as Tg, softening point, elongation, shear adhesion failure temperature and peel adhesion failure temperature are comparable for these branched polyesters and conventional hot melt polymers.
The purpose of this article is to discuss these new branched polyesters as raw materials for hot melt adhesives that are water-dispersible and to review the statistical experimental process by which their adhesive performance is optimized.Note de contenu : - PRODUCT FUNCTION
- APPLICATIONS : Nonwovens - Packaging adhesives
- OTHER APPLICATIONS : Removable labels for PET bottles - Adhesive for wound care patches - Film-former for cosmetics - Competitive matrix
- TECHNICAL APSECTS OF POLYESTERS
- INCORPORATION INTO ADHESIVE FORMULATIONS
- PHYSICAL PROPERTIES OF BRANCHED POLYESTERSEn ligne : https://drive.google.com/file/d/1ht9xoUhXeE_I1zP5tK75nIZJYsNivNbt/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20544
in ADHESIVES AGE > Vol. 39, N° 12 (11/1996) . - p. 21-26[article]Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 001069 - Périodique Bibliothèque principale Documentaires Exclu du prêt
[article]
Titre : Water-free face scrub in tablet form : with trisodium citrate anhydrous Type de document : texte imprimé Année de publication : 2023 Article en page(s) : p. 51 Langues : Anglais (eng) Catégories : Cosmétiques
Exfoliants
Formulation (Génie chimique)
Peau -- Soins et hygièneIndex. décimale : 668.5 Parfums et cosmétiques Résumé : Fiche formulation : produit de gommage En ligne : https://drive.google.com/file/d/1Y_NdP_ZKTEQxO0cb346lLUL6i7JSFNSy/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38951
in SOFW JOURNAL > Vol. 149, N° 1 (01-02/2023) . - p. 51[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23820 - Périodique Bibliothèque principale Documentaires Disponible Water in cosmetics and Caenorhabditis elegans as an alternative model for lifespan assessment / Myriam Richaud in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 46, N° 1 (02/2024)
[article]
Titre : Water in cosmetics and Caenorhabditis elegans as an alternative model for lifespan assessment Type de document : texte imprimé Auteurs : Myriam Richaud, Auteur ; Sarah Rasasombat, Auteur ; Pierre Cuq, Auteur ; Simon Galas, Auteur ; Gilberte Marti-Mestres, Auteur Année de publication : 2024 Article en page(s) : p. 96-105 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Caenorhabditis elegans Caenorhabditis elegans (C. elegans en abrégé) est un petit ver d'un millimètre environ, transparent et non parasitaire. C'est un nématode de la famille des Rhabditidae. Ce ver est devenu un organisme modèle en biologie, car il permet l'étude, entre autres, de l'apoptose (mort programmée de certaines cellules), du développement embryonnaire et du vieillissement. C. elegans est un organisme modèle dans l’étude génétique. Il est, notamment, très utilisé en raison de sa transparence, son court cycle de reproduction (3,5 jours) ainsi que sa grande facilité de manipulation. (Wikipedia)
Cosmétiques
Eau
Formulation (génie chimique) -- Stabilité
Justification de l'allégation
Longévité
Tests de sécuritéIndex. décimale : 668.5 Parfums et cosmétiques Résumé : - Objective : Water, often considered a fundamental component of life, is the most commonly used ingredient in the formulation of dermocosmetic products, with waterless products being the exception. Dermocosmetic products can contain anywhere from 50% to 85% water, which contributes to their texture and specific characteristics. The chemical composition of water varies depending on its origin and can be categorized as highly mineralized or low mineralized. These compositions could impact the water's efficacy in anti-aging applications. In this study, the objective is evaluating the anti-aging properties of highly and low mineralized water with the model organism Caenorhabditis elegans.
- Methods : In this article, we employed the alternative model organism C. elegans to assess the impact of 5 branded waters, one physiological water and one ultra-pure water on the model's lifespan, using the survival medium conventionally used for C. elegans as a comparison.
Results
Waters may have either a positive or a negative impact on the C. elegans lifespan expectancy. Our results indicate that only one of the water brands we assessed (Volvic®) had a significantly positive effect on worm longevity. In contrast, we found that two other brands (Hepar® and Contrex®) had a negative impact on the later stages of the worm's adulthood. Furthermore, we demonstrated that the impact of the brand water samples on lifespan expectancy varied depending on their physicochemical composition, in particular when ion concentrations were most extreme.
- Conclusion : This study shows that the highly mineralized waters studied have a detrimental effect on the survival of C. elegans, and a preliminary test with ultra-pure water could not be completed due to its deleterious effect on the worms. This suggests the hypothesis that both highly mineralized and completely demineralized waters may not be the most suitable for skin formulations.Note de contenu : - MATERIALS AND METHODS : Materials - Worm culture - Lifespan experiments
- RESULTS : The C. elegans lifespan can be modified by waters - Positive impact on longevity - No impact or negative impact on longevity - The brand water composition may explain the observed impact variations on the C. elegans longevity
- Table 1 : Ionic composition of studied waters
- Table 2 : Water-dependent lifespan modulation of Caenorhabditis elegansDOI : https://doi.org/10.1111/ics.12912 En ligne : https://drive.google.com/file/d/1q-bvwSkh2k-GOsjoauTNVNR64G2AK0lW/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40582
in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 46, N° 1 (02/2024) . - p. 96-105[article]
[article]
Titre : Well-aging day cream 2495-1.25 Type de document : texte imprimé Année de publication : 2021 Article en page(s) : n.p. Langues : Français (fre) Catégories : Antiâge
Cosmétiques
Formulation (Génie chimique)
Peau -- Soins et hygièneIndex. décimale : 668.5 Parfums et cosmétiques Résumé : Cette crème de jour subtilement douce et fondante présente un double atout. EleVastin améliore l'élasticité de la peau et redessine l'ovale du visage, tandis que nacres et agents de floutage donnent un effet bonne mine instantané. Au coeur de la formule, Emulium Dolcea MB combiné au texturant Lipocire A SG donne un toucher incomparable, soyeux, fondant et élégant. Une combinaison idéale pour se faire plaisir tout en luttant contre le vieillissement de la peau. Note de contenu : - Indication de formulation En ligne : https://drive.google.com/file/d/1gvHVndNY6wfpCbXGFP3eARsBJ4VsI3fn/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36062
in ADDIACTIVE > N° 118 (2021) . - n.p.[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22853 - Périodique Bibliothèque principale Documentaires Disponible What is the biodegradability of fragrances in laundry, care and cleaning products ? / Anneliese Wilsch-Irrgang in SOFW JOURNAL, Vol. 145, N° 6 (06/2019)
[article]
Titre : What is the biodegradability of fragrances in laundry, care and cleaning products ? Type de document : texte imprimé Auteurs : Anneliese Wilsch-Irrgang, Auteur Année de publication : 2019 Article en page(s) : p. 26-28 Langues : Anglais (eng) Catégories : Biodégradation
Cosmétiques
Détergents
Formulation (Génie chimique)
Parfums
Produits nettoyantsIndex. décimale : 668.5 Parfums et cosmétiques Résumé : Consumers expect laundry, care and cleaning products (LCC products) to be safe and effective. Here, the sensory evalua¬tion of a product by the customer is of great importance, be¬cause the fragrance very often not only influences the general acceptante of the product, but also has a significant bearing on its perceived performance in washing and cleaning or in laundry care. That is why LCC products contain perfume, be¬cause perfumes play a significant role in commercial success. Note de contenu : - Fragrance components in LCC products
- Product safety and usage bans
- Biodegradability
- Fig. 1 : Product design and purchasing decision for LCC products
- Table 1 : Composition and degradability of a model formulation for a detergent perfumeEn ligne : https://drive.google.com/file/d/1MBMhLYvjbcryXjZ4X0ut61_lrAA5FidO/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32735
in SOFW JOURNAL > Vol. 145, N° 6 (06/2019) . - p. 26-28[article]Réservation
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