Process for the production of paper or paperboard

The present invention relates to a process for producing a paper or paperboard product which process comprises the steps of providing a first headbox with a furnish comprising fibres, which furnish forms at least one layer of the paper or paperboard product, providing the headbox with a non- fibrous...

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Bibliographic Details
Main Author NORDSTROEM JAN-ERIK
Format Patent
LanguageChinese
English
Published 11.01.2012
Subjects
IMPREGNATING OR COATING OF PAPER
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METHODS OF PRODUCING PAPER THEREON
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PAPER-MAKING MACHINES
PERFORMING OPERATIONS
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
TRANSPORTING
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Summary:The present invention relates to a process for producing a paper or paperboard product which process comprises the steps of providing a first headbox with a furnish comprising fibres, which furnish forms at least one layer of the paper or paperboard product, providing the headbox with a non- fibrous high consistency composition, which composition forms at least one additional layer of the paper or paperboard product and conducting the layers onto a wire forming a multilayer web which is further dewatered and dried forming the paper or paperboard product. The invention further relates to a paper or paperboard produced according to the process and a headbox used in the process.
Bibliography:Application Number: CN201080007158