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Titolo:
SURFACE CHARACTERIZATION OF NON-CHLORINE-BLEACHED PULP FIBERS AND CALCIUM-CARBONATE COATINGS USING INVERSE GAS-CHROMATOGRAPHY
Autore:
LUNDQVIST A; ODBERG L; BERG JC;
Indirizzi:
UNIV WASHINGTON,DEPT CHEM ENGN,BF-10 SEATTLE WA 98195 UNIV WASHINGTON,DEPT CHEM ENGN,BF-10 SEATTLE WA 98195 SWEDISH PULP & PAPER RES INST S-11486 STOCKHOLM SWEDEN
Titolo Testata:
Tappi journal
fascicolo: 5, volume: 78, anno: 1995,
pagine: 139 - 142
SICI:
0734-1415(1995)78:5<139:SCONPF>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTERFACIAL PROPERTIES; ADSORPTION; CELLULOSE;
Keywords:
BLEACHED PULPS; BLEACHING; CALCIUM CARBONATE; CHEMICAL PROPERTIES; CHLORINE DIOXIDE; COATINGS; DISPERSANTS; GAS CHROMATOGRAPHY LATEX; MEASURING INSTRUMENT; OZONE; PEROXIDE; SURFACE PROPERTIES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
A. Lundqvist et al., "SURFACE CHARACTERIZATION OF NON-CHLORINE-BLEACHED PULP FIBERS AND CALCIUM-CARBONATE COATINGS USING INVERSE GAS-CHROMATOGRAPHY", Tappi journal, 78(5), 1995, pp. 139-142

Abstract

The technique of inverse gas chromatography (IGC) is used to investigate and compare the surface chemical properties of chlorine dioxide-bleached pulps with peroxide- and ozone-bleached pulps and to study the influence of a latex binder (with dispersant) on the properties of calcium carbonate coating particles. IGC measurements with a series of alkane probes yield the dispersive component of the surface energy of the test solid and show only small differences between the various bleached pulps. The use of acid and base probes shows all pulps tested to be predominantly acidic. The presence of latex binder together with a poly (acrylic acid)/carboxymethyl cellulose dispersant decreases the dispersive component, but increases both the acidic and basic components, of the surface free energy of calcium carbonate.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/11/20 alle ore 18:05:38