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The effect of processing and treatment parameters on the discoloration of painted joinery due to resin exudation from knots / R. M. Nussbaum in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 87, B3 (09/2004)
[article]
Titre : The effect of processing and treatment parameters on the discoloration of painted joinery due to resin exudation from knots Type de document : texte imprimé Auteurs : R. M. Nussbaum, Auteur Année de publication : 2004 Article en page(s) : p. 181-186 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Décoloration
Exsudation
Gommes et résines
Noeuds du bois
Pin sylvestre
Revêtement en phase solvant
StatistiqueIndex. décimale : 667.9 Revêtements et enduits Résumé : The effect of different parameters regarding the processing and treatment on the discoloration of knots (so called knot yellowing) on painted joinery of Scots pine was evaluated in an extensive study. The parameters studied included the kiln-drying temperature, the distance of the knot from the original kiln-dried surface, type of preservative treatment and the type of coating system. Wood samples representing 92 different test classes were exposed outdoors for five months. Knot yellowing was measured with a colour difference meter. Statistical evaluation of the results was performed by multivariate data analysis. Knot yellowing was affected by several of the studied factors, although the largest effect was provided by preservative treatment with solvent-borne products. Note de contenu : - EXPERIMENTAL : General test design -Kinl drying - Test material - Treatments - Exposure and measurement of discoloration
- STATISTICAL ANALYSIS AND RESULTS :
- Table 1 : Retention data for the solvent-borne wood preservative systems
- Table 2 : Coating SystemsDOI : 10.1007/BF02699633 En ligne : https://link.springer.com/content/pdf/10.1007/BF02699633.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5456
in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS > Vol. 87, B3 (09/2004) . - p. 181-186[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 000390 - Périodique Bibliothèque principale Documentaires Disponible The "Whoas" of solvent entrapment and release / Richard A. Burgess in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 31, N° 3 (03/2014)
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Titre : The "Whoas" of solvent entrapment and release Type de document : texte imprimé Auteurs : Richard A. Burgess, Auteur Année de publication : 2014 Article en page(s) : p. 15-23 Langues : Américain (ame) Catégories : Echantillonnage
Evaporation
Revêtement en phase solvant:Peinture en phase solvant
Revêtements -- Défauts:Peinture -- Défauts
solvants
ViscositéIndex. décimale : 667.9 Revêtements et enduits Résumé : Whoa! Hold on ! How much thinner do you plan to add ? What thinner do you plan to add ? The data sheet says you can add up to 10% by volume.
Even so, it is not uncommon to see painters (or painters' helpers) estimating thinner addition. It takes an experienced applicator who can save precious time by estimating thinner additions. After all, the reducer is going to evaporate from the applied coating film anyway. Should it matter that the solvent is supplied by "Universal Solvent," and the coating is supplied by "Not-So-Universal Resin ?" Of course it matters, just as it matters when adding 15% thinner when 5% will produce the desired viscosity. When was the last time you actually saw a bridge painter measure viscosity ? And who actually mixes the paint? The per-son with twenty years of experience or the person who has had one year of training twenty times ?Note de contenu : - SOLVENTS IN COATINGS
- TYPES OF SOLVENTS
- SOLVENT RELEASE-EVAPORATION AND DIFFUSIVITY
- SOLVENT ENTRAPMENT : Consequences of solvent entrapment (bubbling, pinholes, cracking, orange peel, flocculation, running and sagging (curtains), blistering, solvent sensivity)
- SAMPLING AND TESTING FOR ENTRAPPED SOLVENTSPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21654
in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 31, N° 3 (03/2014) . - p. 15-23[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 16201 - Périodique Bibliothèque principale Documentaires Disponible Thermally modified Scots pine and Norway spruce wood as substrate for coating systems / Michael Altgen in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 14, N° 3 (05/2017)
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Titre : Thermally modified Scots pine and Norway spruce wood as substrate for coating systems Type de document : texte imprimé Auteurs : Michael Altgen, Auteur ; Holger Militz, Auteur Année de publication : 2017 Article en page(s) : p. 531-541 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Pins et constituants
Polyacrylates
Polyalkydes
Revêtement en phase solvant:Peinture en phase solvant
Revêtements en phase aqueuse:Peinture en phase aqueuse
Traitement thermiqueIndex. décimale : 667.9 Revêtements et enduits Résumé : Thermally modified wood (TMW) is increasingly used in exterior applications as an alternative to tropical hardwoods or wood impregnated with biocides. Despite its enhanced biological durability and dimensional stability, a surface treatment of TMW with coating systems can be required in certain applications. This study assessed material characteristics of Norway spruce and Scots pine wood that was thermally modified according to the ThermoWood® process and their effect on the performance of commercially available coating systems: a solventborne oil, a waterborne alkyd-reinforced acrylate paint and a waterborne acrylate paint. Residual extractives and remaining degradation products found in TMW, carry the risk of causing discoloration or of interfering with the curing reactions of coating systems. The penetration of coating systems into TMW was not found to differ from unmodified wood, although an excessive penetration of solventborne oil was found occasionally for TMW. The adhesion strength of waterborne coatings depended on the system that was used. While one system performed sufficiently on TMW, the other coating systems showed a considerable reduction in adhesion strength already after a mild treatment (<200°C). This reduction could not be attributed to the increase in hydrophobicity of TMW that was evident from contact angle measurements, but was rather related to the mechanical interaction of the specific substrate/coating system.
Keywords
Adhesion strength Material characteristics Coating penetration Solventborne oil Waterborne coating systemsNote de contenu : - MATERIALS AND METHODS : Material - Material characteristics - Coating performance
- RESULTS AND DISCUSSION : Characteristics of thermally modified wood as a substrate - Microscopic observations - AdhesionDOI : 10.1007/s11998-016-9871-8 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-016-9871-8.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28563
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 14, N° 3 (05/2017) . - p. 531-541[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18899 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Thermo plastic acrylics resins : Aerosol spray coatings popularly known as touch-up paints Type de document : texte imprimé Auteurs : Mukund Hulyalkar, Auteur Année de publication : 2018 Article en page(s) : p. 92-94 Note générale : Errata : read as TPA in last issue instead of TSA Langues : Anglais (eng) Catégories : Formulation (Génie chimique)
Paramètres de solubilité
Peintures aérosols
Polyacryliques
Revêtement en phase solvant:Peinture en phase solvant
ThermoplastiquesUne matière thermoplastique désigne une matière qui se ramollit (parfois on observe une fusion franche) d'une façon répétée lorsqu'elle est chauffée au-dessus d'une certaine température, mais qui, au-dessous, redevient dure. Une telle matière conservera donc toujours de manière réversible sa thermoplasticité initiale. Cette qualité rend le matériau thermoplastique potentiellement recyclable (après broyage). Cela implique que la matière ramollie ne soit pas thermiquement dégradée et que les contraintes mécaniques de cisaillement introduites par un procédé de mise en forme ne modifient pas la structure moléculaire.Index. décimale : 667.9 Revêtements et enduits Résumé : They are mainly used in machine tool industry, where powder coated or liquid painted machines are exported or delivered to actual users in India. Inspite of taking utmost precautions small damages takes place. To overcome these damages, best thing to do is spray with the help of Ready to Use Aerosol Paints. These paints will replace brushing, use of compressors, thinners and expensive skilled spray painters. These Aerosol Paints are readily available in all popular Industrial (RAL) and Automotive shades. Nowadays zinc aluminum protective sprays are also available, these are based on Alkyl Silicon modified resin. For mailing silica is used in powder form instead of fumed one. TPA and NC cotton combination paints are also used. Note de contenu : - TPA paint general formula for solid color
- Figures : Touch-up being done on an dented car with the help of aerosol paintsEn ligne : https://drive.google.com/file/d/15KM-dbPKAyh3Vo0lDhGzQ19Wp8VqX3pp/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30696
in PAINTINDIA > Vol. LXVIII, N° 3 (03/2018) . - p. 92-94[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19991 - Périodique Bibliothèque principale Documentaires Disponible TiO2 efficiency in coatings : products and techniques for opacity optimisation in PAINTINDIA, Vol. LXVII, N° 5 (05/2017)
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Titre : TiO2 efficiency in coatings : products and techniques for opacity optimisation Type de document : texte imprimé Année de publication : 2017 Article en page(s) : p. 76-88 Langues : Anglais (eng) Catégories : Agents dispersants (chimie)
Dioxyde de titane
Dispersions et suspensions
Opacité (optique)
pH
Revêtement en phase solvant:Peinture en phase solvant
Revêtements en phase aqueuse:Peinture en phase aqueuseIndex. décimale : 667.2 Colorants et pigments Résumé : For those who have been in the Coatings industry for long enough, the rollercoaster ride of TiO2 price comes as no surprise. That said, the days of an even 10-year cycle in price have changed to shorter periods of high price (often painfully high) followed by longer periods of relatively low price (painful for the suppliers). Even when relatively "cheap", TiO, continues to be one of the most expensive raw materials in a coating and so ensuring that the pigment you buy is used correctly and efficiently remains a crucial business objective. Note de contenu : - TiO2 selection
- Pigment dispersion
- Solvent systems
- Water-based systems
- The role of pH and surface charge
- Dispersants and dispersant requirements
- Physical dispersion
- Pigment crowding and spacing
- Cost effective opacity
- Engineered composite technology - FP-pigment "opacity pigment"En ligne : https://drive.google.com/file/d/1jj19-Tjh-qx8uoIt1WgLXgMjEY7PLaor/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28874
in PAINTINDIA > Vol. LXVII, N° 5 (05/2017) . - p. 76-88[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19144 - Périodique Bibliothèque principale Documentaires Disponible Towards new zinc-free anticorrosive pigments : identifying specific synergies using electrochemical corrosion investigations / Lars Kirmaier in SURFACE COATINGS INTERNATIONAL, Vol. 97.3 (07/2014)
PermalinkTypical solvents used as additives to eliminate surface defects / Mukund Hulyalkar in PAINTINDIA, Vol. LXVIII, N° 10 (10/2018)
PermalinkViscosity reduction via monomer selection in solvent-borne high-solids styrene/acrylic coating resins / Charles A. Zezza in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 68, N° 856 (05/1996)
PermalinkWater-borne versus solvent-borne paints for protection of steel to atmospheric exposure / F. Fragata in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 89, B3 (09/2006)
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