Legal status (The legal status 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 status listed.)
Expired
Application number
GB442944A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STEPHEN RATHBONE HOLDEN EDGE
Arjo Wiggins Ltd
Original Assignee
STEPHEN RATHBONE HOLDEN EDGE
Wiggins Teape Ltd
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
Application filed by STEPHEN RATHBONE HOLDEN EDGE, Wiggins Teape LtdfiledCriticalSTEPHEN RATHBONE HOLDEN EDGE
Priority to GB442944ApriorityCriticalpatent/GB577620A/en
Publication of GB577620ApublicationCriticalpatent/GB577620A/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
D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
D21H17/20—Macromolecular organic compounds
D21H17/33—Synthetic macromolecular compounds
D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
D21H17/47—Condensation polymers of aldehydes or ketones
D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
D21H17/50—Acyclic compounds
Landscapes
Chemical & Material Sciences
(AREA)
Chemical Kinetics & Catalysis
(AREA)
Paper
(AREA)
Abstract
A dry paper web is tub-sized in a paper-making machine with a freshly-mixed, cold solution of urea, formaldehyde and aluminium sulphate, e.g. in proportions 5 : 5 : 1, and heated as by rollers to 100 DEG C. or less to dry the paper and harden the synthetic resin.
GB442944A1944-03-091944-03-09Improvements in and relating to the manufacture of paper
ExpiredGB577620A
(en)
Procedure for the manufacture of armed paper with entramado, textile fabrics, non-woven and complex napas based on them (Machine-translation by Google Translate, not legally binding)