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Antifouling paints in marine coatings : a review / Firdous Habib in PAINTINDIA, Vol. LIX, N° 11 (11/2009)
[article]
Titre : Antifouling paints in marine coatings : a review Type de document : texte imprimé Auteurs : Firdous Habib, Auteur ; Madhu Bajpai, Auteur Année de publication : 2009 Article en page(s) : p. 77-91 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Marines (peinture)
PolydiméthylsiloxaneLe polydiméthylsiloxane —[O-Si(CH3)2]n—, ou poly(diméthylsiloxane) selon la nomenclature systématique, communément appelé PDMS ou diméthicone, est un polymère organominéral de la famille des siloxanes souvent présent dans les shampoings. On l'y ajoute pour augmenter le volume des cheveux mais il peut également aller boucher les pores du cuir chevelu et rendre les cheveux gras. C'est une des raisons pour lesquelles se laver les cheveux tous les jours est très déconseillé avec un shampooing contenant des silicones.
Il existe également de l'amodiméthicone, qui est un dérivé du diméthicone.
Le polydiméthylsiloxane est un additif alimentaire (E900), utilisé comme antimoussant dans les boissons (Coca-Cola BlāK).
La chaîne de poly(diméthylsiloxane) forme également la structure de base des huiles et des caoutchoucs silicones.
Revêtements antisalissures:Peinture antisalissures
Salissures marines
TributylétainIndex. décimale : 667.9 Revêtements et enduits Résumé : The main objective of this review is to provide a brief view on the merits, demerits, effects and uses of antifouling paints. The imminent ban of environmentally harmful tributyltin (TBT) and tin based paint products has been the cause of a major change in the antifouling industry. Fouling organisms such as barnacles, tube worms and algae, which accumulate on any submerged surface, greatly increase drag, and reduce speed and fule consumption of the vessel other mechanical damages have also been reported due to fouling. A variety of paints were developed in mid 1800s, which were generally based on copper oxide arsenic and mercuric oxide as popular antifoulants. Antifoulants are one of the many additives usually incorporated within the topcoat paint of marine protective coating system. Today's marine coatings must provide protection and performanceunder extremely harsh conditions. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8325
in PAINTINDIA > Vol. LIX, N° 11 (11/2009) . - p. 77-91[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 011952 - Périodique Bibliothèque principale Documentaires Disponible The study on liquid aromatic amine-aldehyde condensates as curing agent for epoxy adhesive / Madhu Bajpai in PAINTINDIA, Vol. LVI, N° 5 (05/2006)
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Titre : The study on liquid aromatic amine-aldehyde condensates as curing agent for epoxy adhesive Type de document : texte imprimé Auteurs : Madhu Bajpai, Auteur ; Vipin Shukla, Auteur ; Firdous Habib, Auteur ; Pragya Bajpai, Auteur Année de publication : 2006 Article en page(s) : p. 79-82 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Aniline-formaldehyde resins may be consideredas aromatic polyamines, analogues to aliphatic polyamine curing agents. Aniline-Formaldehyde resins are synthesized by reaction of aniline and formaldehyde in strongly acidic medium. They provide superior solvent, heat and chemical resistance to those obtained with aliphatic polyamines. This hardener also provide improved electrical properties which are virtually independent of temperature upto 200°C. Note de contenu : Introduction
Materials
Methods
- Synthesis of aniline-formaldehyde resin
- Modification of aniline-formaldehyde resin
- Determination of aniline value
- Application of coating compositions based on different epoxy resin grades and modified aniline-formaldehyde (AF) resin
Result and discussion
- Evaluation of physical and chemical properties
- Tack free time/post curing
- Adhesion
- Flexibility
- Scratch hardness
- Acid/Alkali resistance
- Xylene resistance
- Acetone resistance
- Ethanol resistance
- Water immersion test
ConclusionPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11560
in PAINTINDIA > Vol. LVI, N° 5 (05/2006) . - p. 79-82[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 005122 - Périodique Bibliothèque principale Documentaires Disponible Utilising renewable resources to create radiation curable polymers / Firdous Habib in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 203, N° 4590 (11/2013)
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Titre : Utilising renewable resources to create radiation curable polymers Type de document : texte imprimé Auteurs : Firdous Habib, Auteur ; Anuradha Varshney, Auteur ; Madhu Bajpai, Auteur Année de publication : 2013 Article en page(s) : p. 16-18 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Baume de cajou
Biopolymères
Cardanol
Ressources renouvelables
Réticulation (polymérisation)
Revêtements -- Séchage sous rayonnement ultraviolet:Peinture -- Séchage sous rayonnement ultravioletIndex. décimale : 667.9 Revêtements et enduits Résumé : Cashew nut shell liquid is being used as a renewable resource for surface coatings.
This article reveals the possibility of taking cardanol as a major constituent in synthesising the UV-curable resin for various applications such as protective coatings for heat sensitive substrates like wood. Cardanol can be modified by incorporating acrylate group in its structure, which can be cured by UV radiation via free radical or cationic polymerisation thus providing a better crosslinked polymer network, which is biodegradable. The surface coating industry could see many advantages in changing from a single, high-polluting technology to a multitechnology arrangement that would provide forward thinking. Thinking that would lead to cost savings, as well as resource conservation, while being ecologically friendly. UV curing technology has many prerequisites for fulfilling environment favourable criteria. It is for this reason that it is one of the fastest growing industrial coating technologies. Nevertheless, the share of UV curable systems in the total market for industrial coatings is still small with less than, for example, 5% in Europe25, while in India it is stil) in a growing phase and is apparent that radiation curing technology of bio-polymers is the only answer for the challenge of future and modem finishing as a basis for each new development in much diversified areas of coating.Note de contenu : - Structure of cardanol
- Radiation curing vs conventional curingEn ligne : https://drive.google.com/file/d/1TyoTLdKRCNb3OMCWWaf22CE87FSmqkLz/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19753
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 203, N° 4590 (11/2013) . - p. 16-18[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15738 - Périodique Bibliothèque principale Documentaires Disponible UV cured pigmented epoxy acrylate coatings / Firdous Habib in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 199, N° 4542 (11/2009)
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Titre : UV cured pigmented epoxy acrylate coatings Type de document : texte imprimé Auteurs : Firdous Habib, Auteur ; Madhu Bajpai, Auteur Année de publication : 2009 Article en page(s) : p. 18-21 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Acrylates Les monomères acrylates sont un groupe d'esters faisant partie des vinyles, car renfermant une double liaison carbone-carbone et sont utilisés pour former des polyacryliques qui ont de multiples usages.
Epoxydes
Pigments
Revêtements -- Séchage sous rayonnement ultravioletIndex. décimale : 667.9 Revêtements et enduits Résumé : Radiation curing technology has encountered increased applications in recent years. UV curable systems have found wide application in clear coatings. However, despite the advantages of ultraviolet curable coatings, drawbacks still persist in some areas. One of these well known problems relates to through curing of pigments coatings. The common explanation for these particular problems is that pigments, by absorbing ultraviolet radiation, compete with the photoinitiators and thus diminish their effectiveness. This results in poor through curing and consequently in poor adhesion. Thus pigments used inthe UV curable coating systems should not absorb radiation in the same region as the photoinitiators. One of the solutions to such a problem is reported in this paper by developing a UV curing system based on pigmented acrylate formulation. A coating formulation is the mixture of novolac acrylate resin, monomer, titanium dioxide pigment and photoinitiator 2,2 dimethyl-2-hydroxy acetophenone (darocure 1173). Concentration of titanium dioxide in the formulation was varied to evaluate their effect on physical and chemical properties. En ligne : https://drive.google.com/file/d/1T1fbtvEhhH-r4eVjI-9uC3Bds37ymUJ5/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=7458
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 199, N° 4542 (11/2009) . - p. 18-21[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 011747 - Périodique Bibliothèque principale Documentaires Disponible 011773 - Périodique Bibliothèque principale Documentaires Disponible