Advances in minimizing dirt pick-up on exterior latex paints / Girish A. Bhagwat in PAINTINDIA, Vol. LI, N° 12 (12/2001)

[article]  inPAINTINDIA > Vol. LI, N° 12 (12/2001) . - p. 35-42 Titre : Advances in minimizing dirt pick-up on exterior latex paints Type de document : texte imprimé Auteurs : Girish A. Bhagwat, Auteur ; Bhandup, Auteur ; L. B. S. Marg, Auteur Année de publication : 2001 Article en page(s) : p. 35-42 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Mécanisme  action'  Libération  Salissure  Encrassement  Extérieur  'Matériau  revêtement'  Feuil  'Peinture  émulsion'  eau' Index. décimale : 667.9 Revêtements et enduits Résumé : The importance of Dirt Pick-Up Resistance (DPUR) in exterior latex paint is highlighted with reference to retaining its aesthetics for longer periods, in polluted city environs of India which show higher levels of suspended particles in the atmosphere. Mechanisms of dirt pick-up and dirt release along with important factors to be considered while formulating exterior latex paints which will help in minimizing dirt pick-up are discussed. Note de contenu : - DIRT PICK-UP ON LATEX PAINTS-CAUSE AND MECHANISM - FORMS OF DIRT PICK-UP - CHEMICAL NATURE OF DIRT - QUANTITATIVE ASSESSMENT OF DIRT PICK-UP ON LATEX PAINT FILMS : Natural exposure - Laboratory method (Method-I (inorganic dirt) - Method-II ( mixture of inorganic and organic dirt)) - MECHANISM OF DIRT RELEASE - FACTORS PROMOTING DIRT RELEASE : Influence of glass transition temperature - Influence of monomer type - Influence of surface crosslinking - Influence of PVC - Influence of hydrophobicity - Influence of surface morphology - Influence of coalescing agents - Influence of opaque polymer - ADDITIONAL METHODS SUGGESTED TO MINIMIZE THE EFFECT OF DIRT PICK-UP : Structural design - Selection and application of appropriate shade Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12634 [article]

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Concrete deterioration : causes and its prevention / Girish A. Bhagwat in PAINTINDIA, Vol. XLIX, N° 8 (08/1999)

[article]  inPAINTINDIA > Vol. XLIX, N° 8 (08/1999) . - p. 37-44 Titre : Concrete deterioration : causes and its prevention Type de document : texte imprimé Auteurs : Girish A. Bhagwat, Auteur Année de publication : 1999 Article en page(s) : p. 37-44 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Matériau  construction'  'Construction  béton'  Détérioration  'Altération  matériau'  Délabrement  'Analyse  dommage'  Cause  mécanisme'  Prévention  'Revêtement  protecteur  'Traitement  surface'  Peinture  Polymère  'Addition  'Adjuvant Index. décimale : 667.9 Revêtements et enduits Résumé : This paper sets out to understand concrete, particularly with reference to its use for construction of buildings and factors that lead to its deterioration. With an accent to emphasize role of surface coatings and auxiliary construction chemicals in protecting concrete from premature deterioration, some ofthe latest developments are reviewed. Note de contenu : - NATURE OF CONCRETE - CONCRETE DETERMINATION - Chemical attack - Physical and thermal attack - MANIFESTATIONS OF CONCRETE DETERIORATION - Inherent limiting factors in concrete posing potential problems to surface coatings - ROLE OF SURFACE COATINGS AND AUXILIARY CONSTRUCTION CHEMICALS IN CONCRETE PROTECTION - DEVELOPMENTS IN SURFACE COATINGS AND AUXILIARY CONSTRUCTION CHEMICALS FOR CONCRETE PROTECTION - Exterior water proof paints - Solvent based high performance coatings - Polymer emulsions as concrete admixtures - Coatings for reinforcement bars Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13032 [article]

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Efflorescence in exterior paints - Causes and its prevention / Girish A. Bhagwat in PAINTINDIA, N° annuel 2002 (2002)

[article]  inPAINTINDIA > N° annuel 2002 (2002) . - p. 155-160 Titre : Efflorescence in exterior paints - Causes and its prevention Type de document : texte imprimé Auteurs : Girish A. Bhagwat, Auteur Année de publication : 2002 Article en page(s) : p. 155-160 Langues : Anglais (eng) Catégories : Applications extérieures Efflorescence Revêtements -- Défauts:Peinture -- Défauts Revêtements en phase aqueuse:Peinture en phase aqueuse Index. décimale : 667.9 Revêtements et enduits Résumé : The article focuses on "Efflorescence", a common paint defect experienced mainly in cost effective exterior emulsion paints. The reader is apprised of various ways and means to combat this problem right at the time of designing the product. Importance of surface preparation alongwith role of primer cum sealer is also highlighted. Note de contenu : - INTRODUCTION : Problem and its cause - CONTROL OF EFFLORESCENCE ON EXTERIOR PAINTS : Use of fine particle size latex - Selecting proper pigment/extender mix - Rationalization water solubles in the formulation - Optimization of PVC for different shades - Recommending use of primer/sealer - Ensuring proper surface preparation Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36382 [article]

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Emerging trends in rheological modifications of latex paints / Girish A. Bhagwat in PAINTINDIA, Vol. XLVII, N° 8 (08/1997)

[article]  inPAINTINDIA > Vol. XLVII, N° 8 (08/1997) . - p. 41-52 Titre : Emerging trends in rheological modifications of latex paints Type de document : texte imprimé Auteurs : Girish A. Bhagwat, Auteur Année de publication : 1997 Article en page(s) : p. 41-52 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Peinture  eau'  émulsion'  Adjuvant  Epaississant  'Propriété  rhéologique' Index. décimale : 667.9 Revêtements et enduits Résumé : Cellulosic thickeners have been used as Industry Workhorse for thickening latex paints, since many years. However, latex paints thickened with cellulosics could not provide paint films, which are richer in looks and have high aesthetic appeal. Continuous research in order to overcome these deficiencies in cellulosics, led to the evolution of new generation thickeners termed as Associative Thickeners. These thickeners have out-performed cellulosics in many aspects and have been well accepted by the industry. Various aspects which resulted in changing the trend from use of cellulosic to associative thickeners are reviewed in this paper. Also, factors governing the performance of the above thickeners and latex paints based on them are discussed at length. Note de contenu : - ROLE OF THICKENERS IN LATEX PAINTS - FORMULATING LATEX PAINTS WITH CELLULOSIC THICKENERS - TYPES OF CELLULOSIC THICKENERS - RHEOLOGY OF LATEX PAINTS BASED ON CELLULOSIC THICKENERS - PARAMETERS DETERMINING RHEOLOGY OF LATEX PAINTS BASED ON CELLULOSIC THICKENERS - Structural parameters of the thickeners - Degree of substitution - Degree of polymerisation - Susceptibility towards enzymatic degradation - Susceptibility to redox substances - Formulating constants and other ingredients - WEAKNESSES OF CELLULOSIC THICKENERS - REFORMULATING LATEX PAINTS WITH ASSOCIATIVE THICKENERS - TYPES OF ASSOCIATIVE THICKENERS - Alkali swellable associative thickeners-ASA - Urethane based non-ionic associative thickeners-HEUR - Hydrophobically modified hydroxy ethyl cellulose-HMHEC - MECHANISM OF ASSOCIATION THICKENING - RHEOLOGY OF LATEX PAINTS BASED ON ASSOCIATIVE THICKENERS - PARAMETERS AFFECTING RHEOLOGY OF LATEX PAINTS BASED ON ASSOCIATIVE THICKENERS - Structural parameters of the thickeners - Formulation constants and other ingredients - Latex and its particle size - Surfactants - Pigments and co-solvents - BENEFITS OF ASSOCIATIVE THICKENERS OVER CELLULOSICS - SOME REALITIES ABOUT REFORMULATING WITH ASSOCIATIVE THICKENERS - COMPARISON OF VARIOUS PAINT PROPERTIES AS A FUNCTION OF THE THICKENERS Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13295 [article]

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Improving indoor air quality using smart paints based on novel binder / Girish A. Bhagwat in PAINTINDIA, Vol. LXVI, N° 3 (03/2016)  

[article]  inPAINTINDIA > Vol. LXVI, N° 3 (03/2016) . - p. 72-78 Titre : Improving indoor air quality using smart paints based on novel binder Type de document : texte imprimé Auteurs : Girish A. Bhagwat, Auteur ; Priya Nair, Auteur Année de publication : 2016 Article en page(s) : p. 72-78 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Air intérieur -- Pollution Atmosphère -- Pollution Dépolluants Formaldéhyde -- Toxicologie Formulation (Génie chimique) Liants Matériaux intelligents Revêtements -- Additifs:Peinture -- Additifs Index. décimale : 667.9 Revêtements et enduits Résumé : "Environmental pollution" is often associated with outdoors as it is visible in the form of smoke and dust. But how many of us would really know that our own home, office and other indoor areas can equally be polluted ? According to EPA (US Environmental Protection Agency), majority of population is unaware of this fact and is facing its consequences on health and well being. As per World Health Organization (WHO) report, around 4.3 million deaths each year are associated with exposure to indoor air pollution and around 3.7 million deaths a year are attributed to ambient (outdoor) air pollution. It's an issue that needs to be dealt with seriously, because people exposed to indoor air pollutants can include infants, elderly persons, housewives and terminally ill persons. These people spend more than 8 hours indoors and could end up breathing air with dangerous pollutants leading to serious health issues. Over the years, environmental agencies and media have been able to create awareness among people in various countries on Indoor Air Quality (IAQ) and guidelines have been published to define healthy IAQ which are listed in Table 1. Note de contenu : - What is formaldehyde and why is it so harmful ? - Is formaldehyde in my home ? - How can formaldehyde affect health ? - What can we do to reduce formaldehyde at home ? En ligne : https://drive.google.com/file/d/1iXlH7pXn_Jxnm1LXvQn0kW5TuxOFDfzT/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26235 [article]

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Technical considerations for formulating quality water based paints - microbiological view point / Girish A. Bhagwat in PAINTINDIA, Vol. XLV, N° 9 (09/1995)

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Water based gloss enamel using PRIMAL HG emulsions sustainable and safer alternative to solvent based enamel / Girish A. Bhagwat in PAINTINDIA, Vol. LXIV, N° 9 (09/2014)  

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