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WERKWIJZE VOOR HET VERVAARDIGEN VAN EEN PLUIZIG GEWICHT GELIJKMATIG GESTABILISEERD KUSSEN OUTPULPVEZELS

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  • Title:
    WERKWIJZE VOOR HET VERVAARDIGEN VAN EEN PLUIZIG GEWICHT GELIJKMATIG GESTABILISEERD KUSSEN OUTPULPVEZELS
  • Subjects: BRAIDING ; COTTON-WOOL ; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS ; KNITTING ; LACE-MAKING ; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL ; NON-WOVEN FABRICS ; TEXTILES ; TRIMMINGS ; WADDING
  • Description: 1460398 Diapers, napkins and absorbent dressings JOHNSON & JOHNSON 6 Jan 1975 [7 Jan 1974] 398/75 Heading A5R [Also in Division D1] A fluffy, uniformly stabilised batt 28 of wood pulp fibres is produced by the method of Fig. 1. A water-impermeable plastics film 29 may be laminated to the batt to form a disposable diaper. The pad may be used in sanitary napkins and absorbent dressings. The grinding mechanism may be counterrotating toothed rollers, a Bauer mill, Fitz mill or hammer mill. The comminuted material is air laid to form the batt. The wood pulp board is sprayed on its top surface or on both surfaces with a 20% polyethylene dispersion in water, an uncured melamine-formaldehyde precondensate, an epoxy resin or an aqueous solution of sodium silicate, or coated with a polyvinyl chloride plastisol. In examples 1-3 and 5 the batt obtained from the ground board is heated to melt or cure the binder. In example 4 the batt is exposed to hydrogen chloride fumes to convert the sodium silicate to a silica gel. A batt density of 0.05 g/c.c. is specified in example 3.
  • Creation Date: 1975
  • Language: Dutch
  • Source: esp@cenet
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