COMPOSITION AEROSOL ET PROCEDE DE DETECTION DE DEFAUTS QUE COMPORTENT LES MATERIAUX D'ENREGISTREMENT SENSIBLES A LA PRESSION

1328038 Aerosol compositions for detecting damage NATIONAL CASH REGISTER CO 24 Nov 1971 [14 Dec 1970] 54571/71 Heading C4X An aerosol composition for detecting damage to pressure-sensitive record sheets comprises, by weight, 2-10% of at least one acid-reactant phenolic polymer, 40-85% of at least on...

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Bibliographische Detailangaben
Hauptverfasser:	T. MAIERSON, D.J. KAY
Format:	Patent
Sprache:	fre
Schlagworte:	ADHESIVES CHEMISTRY COLOUR PRINTING DYES LINING MACHINES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	1328038 Aerosol compositions for detecting damage NATIONAL CASH REGISTER CO 24 Nov 1971 [14 Dec 1970] 54571/71 Heading C4X An aerosol composition for detecting damage to pressure-sensitive record sheets comprises, by weight, 2-10% of at least one acid-reactant phenolic polymer, 40-85% of at least one hydrocarbon propellant, and 10-40% of a solvent or solvent mixture for the polymer. The polymer may be a phenol-aldehyde or phenolacetylene resin, the propellant butane, i-butane, propane or Freon 11 and/or 12 ("Freon" is a Registered Trade Mark), and the solvent tri- or perchlorethylene. In the examples a ptertiarybutyl phenolic resin, trichloroethylene and Freon 11 are used.