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Pressure-sensitive adhesives and tapes : an overview / Anthony Cotter in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 27, N° 7 (07/2020)

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 27, N° 7 (07/2020) . - p. 14-17 Titre : Pressure-sensitive adhesives and tapes : an overview Type de document : texte imprimé Auteurs : Anthony Cotter, Auteur Année de publication : 2020 Article en page(s) : p. 14-17 Langues : Américain (ame) Catégories : Adhésifs dans les équipements électriques/électroniques Adhésifs sensibles à la pression Assemblages collés Collage Mousses (matériaux) Rubans adhésifs Index. décimale : 668.3 Adhésifs et produits semblables Résumé : A variety of adhesive chemistries and tape formats can be combined to help ensure that a specific tape satisfies a specific need. The Pressure Sensitive Tape Council defines a pressure-sensitive adhesive (PSA) as requiring two things: aggressive and permanent tack, and adhesion with finger pressure. This simple definition makes the concept of a PSA easy for anyone to understand. It also leaves room for differentiation: a variety of adhesive chemistries and tape formats can be combined to help ensure that a specific tape satisfies a specific need. While a couple of types of tape can cover most general household needs, production on an industrial scale requires tapes with specific properties so that each assembly performs predictably and is the same as all the others. Important considerations involve both the type of adhesive, designated by its main chemical component, and the format of the tape. Note de contenu : - Adhesive chemistries - Tape formats - Conversion - The PSA advantage Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34650 [article]

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Pressure-sensitive tape solutions for electronics / Tom Epple in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 27, N° 7 (07/2020)

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 27, N° 7 (07/2020) . - p. 18-24 Titre : Pressure-sensitive tape solutions for electronics Type de document : texte imprimé Auteurs : Tom Epple, Auteur Année de publication : 2020 Article en page(s) : p. 18-24 Langues : Américain (ame) Catégories : Adhésifs dans les équipements électriques/électroniques Adhésifs sensibles à la pression Collage Mousses (matériaux) Rubans adhésifs Index. décimale : 668.3 Adhésifs et produits semblables Résumé : A variety of adhesive chemistries and tape formats can be combined to help ensure that a specific tape satisfies a specific need. The Pressure Sensitive Tape Council defines a pressure-sensitive adhesive (PSA) as requiring two things: aggressive and permanent tack, and adhesion with finger pressure. This simple definition makes the concept of a PSA easy for anyone to understand. It also leaves room for differentiation: a variety of adhesive chemistries and tape formats can be combined to help ensure that a specific tape satisfies a specific need. While a couple of types of tape can cover most general household needs, production on an industrial scale requires tapes with specific properties so that each assembly performs predictably and is the same as all the others. Important considerations involve both the type of adhesive, designated by its main chemical component, and the format of the tape. Note de contenu : - Getting the call in mobile - Laptops : quiet but quirky - Test, change, test agin - Serving the evolving marketplace Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34651 [article]

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Titanium dioxide pigment post-treatment : influence on electrostatic stability of technical dispersions / Daniel Liu in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 27, N° 7 (07/2020)

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 27, N° 7 (07/2020) . - p. 35-37 Titre : Titanium dioxide pigment post-treatment : influence on electrostatic stability of technical dispersions Type de document : texte imprimé Auteurs : Daniel Liu, Auteur ; Daniel Moog, Auteur Année de publication : 2020 Article en page(s) : p. 35-37 Langues : Américain (ame) Catégories : Colorants Dioxyde de titane Dispersions et suspensions Pigments Index. décimale : 668.3 Adhésifs et produits semblables Résumé : The surface chemistry of titanium dioxide dispersions can be controlled via specialized measurements to reduce agglomeration. Titanium dioxide (TiO2) can be used as a pigment base in applications such as coatings, plastics, and laminates. No matter the application, it is important to avoid the coagulation and agglomeration of the TiO2 dispersion during both the pigment production process and the end-use manufacturing process. The surface chemistry of TiO2 dispersions can be controlled through the measurement of electrokinetic-sonic-amplitude (ESA) by regulating the pH value (e.g., for avoiding flocculation of the dispersion). This means that the zeta potential of the dispersion should not be or close to zero. Zeta potential is a dimension of the effective surface charge of particles and the interaction between the particles with ions in solution and particles among each other. Characterizing the absolute surface charge (in an aqueous dispersion) of the TiO2 pigment, negative or positive in the unit (mV), gives a decisive parameter for the ultimate application of the product. The zeta potential depends on the kind of solvent, the nature and amount of the ions in solution (specific conductivity), and the pH value. It is also the main factor that determines the stability of the whole dispersion. Note de contenu : - Testing materials and procedure - Results and discussion - Specialized measurement - Fig. 1 : ESA results : TiO2-pigment surface charge properties control, measure and understanding Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34652 [article]

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