Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB9028010Aexternal-prioritypatent/GB2251868B/en
Application filed by Betz Deaborn IncfiledCriticalBetz Deaborn Inc
Publication of MY108653ApublicationCriticalpatent/MY108653A/en
D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
Landscapes
Paper
(AREA)
Abstract
ACCUMULATION OF PITCH OR STICKIES IN PULP OR PAPER MAKING IS CONTROLLED BY APPLYING TO THE PULP OR PAPER MAKING EQUIPMENT WHICH IS NOT IN CONTINUOUS CONTACT WITH WATER SEPARATELY A WATER SOLUBLE CATIONIC POLYMER AND A WATER SOLUBLE ANIONIC POLYMER.
MYPI91002388A1990-12-241991-12-24Pitch control
MY108653A
(en)
Process of forming a fibrous web by the papermaking technique in order to improve the binding and retention, web obtained by this process and its use as a substitute material for asbestos products and as a printing or writing support
Process for paper manufacture characterised by the addition to the stock of a polysaccharide or acrylamide-based polymer anionic retention agent together with an alkaline aluminate solution