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FR2435554A1 Expired / Lapsed FR ⏱️ 0.0 years remaining

HIGH-LOAD PAPER PRODUCT

Assignee: Dalle & Lecomte Papeteries
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Filing: 1978-09-08
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Granted: —
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Expires: 1998-09-08
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Abstract

Abstract Translated from French Procédé pour l'obtention d'un produit plat par mise en oeuvre d'une technique papetière et produit ainsi obtenu. Selon l'invention, à une masse fibreuse, on ajoute en milieu aqueux au moins une charge minérale ou organique finement divisée, puis une première substance ionogène de façon à former des premiers groupements comportant des particules de ladite charge et des molécules polarisées de ladite première substance, puis une seconde substance ionogène, de polarité opposée à celle de ladite première substance, de façon à former des seconds groupements comportant des premiers groupements et des molécules polarisées de la seconde substance, et ainsi de suite jusqu'à formation d'une pâte fibreuse susceptible d'être traitée par voie papetière. Fabrication dFabrication de produits papetiers spéciaux. Process for obtaining a flat product by implementing a papermaking technique and product thus obtained. According to the invention, to a fibrous mass, at least one finely divided mineral or organic filler is added in an aqueous medium, then a first ionogenic substance so as to form first groups comprising particles of said filler and polarized molecules of said first substance, then a second ionogenic substance, of opposite polarity to that of said first substance, so as to form second groups comprising first groups and polarized molecules of the second substance, and so on until a paste is formed fibrous capable of being treated by paper. Manufacture of Manufacture of special paper products.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-03 09:21
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H23/00; D21H23/76; D21H23/765

Claims Analysis

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References Cited (Backward Citations)

US3021257A Cited
US3184373A Cited

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