[article]
| Titre : |
Studies in performance of alkyd-amino combinations based on Neem Oil as a film forming material |
| Type de document : |
texte imprimé |
| Auteurs : |
Sudhir M. Malik, Auteur |
| Année de publication : |
2002 |
| Article en page(s) : |
p. 41-52 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Neem seed extracts, including Neem oil, neem leaf extract and extracts from bark and roots are widely used in India in ayurvedic medicines. Nowadays neem oil is also widely used in commercial products like soaps, toothpaste, insect repellents etc. Azardirachitin, contained in Neem oil is a biologically active chemical, the toxin in Neem oil for many microbes and insects. Various fungistats such as chlorinated phenols, organotin compounds, mercury based compounds are being successfully used in paints; but after taking into consideration the cost effectiveness of Neem oil, it becomes an attractive agent to be used in paints systems such as alkyd-amino systems as film forming material. In this paper, an attempt is made to highlight the use of non-traditional oils such as neem oil as film forming material, formulation of alkyd resins based on neem oil as film forming material, formulation of alkyd resin based on neem oil and blending that resin in various proportions with urea formaldehyde and thiourea formaldehyde resins. The paper also delves into the comparison between neem-alkyd urea formaldehyde blends and the neem-alkyd thiourea blends on the basis of various mechanical and microbial resistance tests. |
| Note de contenu : |
- INTRODUCTION : Aim of present investigation - Uses of oils in surface coatings - Neem oil - Alkyd resins - Amino resins
- EXPERIMENTS AND RESULTS : Analysis of neem oil - Preparation of alkyd resin - Alkyd resin preparation - Preparation of amino resin - Preparation of mixed resins - Testing of performances of resin samples
- DISCUSSION : - Analysis of neem oil - Preparation of alkyd from neem oil - Preparation of urea formaldehyde - Preparation of thiourea formaldehyde resin - Preparation of various samples (mixtures) - Performances of various resin sample - Scratch hardness |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12392 |
in PAINTINDIA > Vol. LII, N° 8 (08/2002) . - p. 41-52
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