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High performance 1k moisture cure solvent based PU waterproofing membrane / Mangesh Sidam in PAINTINDIA, Vol. LXXI, N° 6 (06/2021)
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Titre : High performance 1k moisture cure solvent based PU waterproofing membrane Type de document : texte imprimé Auteurs : Mangesh Sidam, Auteur ; Shweta Gupta, Auteur Année de publication : 2021 Article en page(s) : p. 78-80 + 92 Langues : Anglais (eng) Catégories : Imperméabilisation
Polyuréthanes
Réticulation à l'humidité
Revêtement en phase solvant
Revêtement monocomposantIndex. décimale : 667.9 Revêtements et enduits Résumé : 1K moisture cure solvent-based PU is one component permanent elastic, alkali resistant, liquid-applied polyurethane coating that cures to a seamless, high elastic waterproofing membrane. It is used for long-lasting waterproofing coating on flat surfaces such as balcony, roof, terrace, wet area or deck that protects the building structure reliably and on a long-term basis, even under the most difficult conditions. Due to its superior performance properties and ease of applications makes it the system of choice. This product solves waterproofing problems under unfavorable conditions such as stagnating water, frost, humidity and weather exposure, etc.
In India, 1K PU Waterproofing solution are mainly imported and several variants & brands are available. Construction being highly unorganized sector, advance planning for the inventory and lead time is the biggest pain point for the customers who uses imported grades. For customers, localized solution- Made In India will have an added advantage with respect to flexibility in inventory management & also the cost effectiveness tilt the material reaches actual site.Note de contenu : - Developing "make in India" 1K PU waterproofing
- Desmodur prepolymer technology
- Benefit Galore
- Processing aspects for moisture curable chemistry
- Benchmarking study
- Major advantages
- Fig. 1 : Chemical reaction principale of 1K MC PU
- Fig. 2 : Vacuum dissolver
- Fig. 3 : Packaging in air tight aluminium bags
- Fig. 4 : Bubble free film formation - DFT maximum 600µ
- Fig. 5 : Adhesion strength > 2.85 MPa and Abrasion resistance : CS17/1kg/1000 cycles < 1% weight loss
- Table 1 : Performance chart of Covestro solutions
- Table 2 : Benchmarking studyEn ligne : https://drive.google.com/file/d/1HVlxAg7yAT90eYSP2PCgj4_bwPuErgzu/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36149
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Code-barres Cote Support Localisation Section Disponibilité 22851 - Périodique Bibliothèque principale Documentaires Disponible High performance cold applied polyurea waterproofing / Shweta Gupta in PAINTINDIA, Vol. LXXI, N° 3 (03/2021)
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Titre : High performance cold applied polyurea waterproofing Type de document : texte imprimé Auteurs : Shweta Gupta, Auteur ; Sidam Mangesh, Auteur Année de publication : 2021 Article en page(s) : p. 92-94 Langues : Anglais (eng) Catégories : Imperméabilisation
Polyurée
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Polyurea coatings were developed more than 3 decades ago and they have a long history in industrial applications such as wastewater basins, sewage linings, marine coatings, tank and pipe coatings. Polyurea has also been used extensively in transportation products such as bed liners for trucks, boat construction and railcar lining. Use in construction includes bridge deck construction, roofs, tank lining, basements and parking decks. There has been an increased use of these materials as roof coatings & waterproofing within the last decade. Polyurea technology offers some unique benefits. Note de contenu : - Benefit galore
- Factopedia on polyurea waterproofing : Hand applied polyurea - Major advantages
- Table : Comparative performance chartEn ligne : https://drive.google.com/file/d/1CskCpGucKwdH6oAgcJ0a1ehT7NO2d3ye/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35944
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Code-barres Cote Support Localisation Section Disponibilité 22767 - Périodique Bibliothèque principale Documentaires Disponible Low viscosity hardeners gives superior aesthetics even at high application temperatures / Sachin Kamble in PAINTINDIA, Vol. LXXI, N° 2 (02/2021)
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Titre : Low viscosity hardeners gives superior aesthetics even at high application temperatures Type de document : texte imprimé Auteurs : Sachin Kamble, Auteur ; Shweta Gupta, Auteur Année de publication : 2021 Article en page(s) : p. 74-78 Langues : Anglais (eng) Catégories : Haut extrait sec
Oligomères
Polyisocyanates
Réticulants
Revêtements -- Additifs:Peinture -- Additifs
Temps de séchage
ViscositéIndex. décimale : 667.9 Revêtements et enduits Résumé : Coatings on large surfaces like bus, railway coaches often encounter several challenges such as narrow application window, longer recoat interval, overspray merging problem, drying behavior etc. which results into poor finish, gloss and DOI (Distinctness of Image). This phenomenon becomes more adverse in tropical countries like India where temperature and humidity are on extreme side especially during the time of application. Covestro has the most innovative low viscous high solid Polyisocyanate technology to address this issue. These products not only meet the performance requirements but also achieve superior appearance. Note de contenu : - Evolution of high solid low viscous crosslinkers
- HDI isocyanurate formation : Key challenges while coating large surface areas when applying in hot conditions - Advantages of high solid low viscous polyisocyanate are given velow - 1) Better appearance, 2) Pot life, 3) VOC emissions reduction
- Low viscous trimer for waterborne applications
- Table 1 : Influence of oligomer distribution on viscosity & drying time
- Table 2 : Covestro product portfolio for high solid low viscousEn ligne : https://drive.google.com/file/d/1PvCDGut2wicH91rKOM1HIgZ-HEkPIUbR/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35238
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Code-barres Cote Support Localisation Section Disponibilité 22558 - Périodique Bibliothèque principale Documentaires Disponible Two component waterborne polyurethane topcoat for bridges / Mangesh Sidam in PAINTINDIA, Vol. LXXI, N° 11 (11/2021)
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Titre : Two component waterborne polyurethane topcoat for bridges Type de document : texte imprimé Auteurs : Mangesh Sidam, Auteur ; Shweta Gupta, Auteur Année de publication : 2021 Article en page(s) : p. 66-72 Langues : Anglais (eng) Catégories : Durée de vie en pot
Polyisocyanates hydrophiles
Polyuréthanes
Revêtements -- Finition
Revêtements bi-composant
Revêtements en phase aqueuseIndex. décimale : 667.9 Revêtements et enduits Résumé : This article introduces the basic principles of two-component waterborne polyurethane coatings and its applications for walls, floors and in infrastructures. It also presents the results based on intensive lab evaluations with different combinations of polyol dispersions and hydrophilic polyisocyanates for performance adjustment in order to meet different performance and cost requirements as well as based on real time success cases. Two component waterborne PU based topcoat can be used both on wall as well as on floor coating in various applications such as hospitals, schools & kindergartens, electronic plants, food processing workshops, kitchens, warehouses, car parking, bridges etc. due to its excellent performance such as abrasion resistance, easy-to-clean, stain and scratch resistance and weathering resistance. Note de contenu : - Basic reactions
- Hydrophilic polyisocyanates
- NCO/OH ratio
- NOC reacting with water
- Pot life
- Tough but flexible
- Stain resistance/dirt pick up resistance
- Fungus/algae resistance
- Tire staining
- Real life cases : Bhumiphol bridge, ThailandEn ligne : https://drive.google.com/file/d/1Cjh71G8Tc35_xOFlkWRRaN4L7RYFDE-w/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37107
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Code-barres Cote Support Localisation Section Disponibilité 23261 - Périodique Bibliothèque principale Documentaires Disponible