GB301807A - Manufacture of waterproof paper or pasteboard - Google Patents

Manufacture of waterproof paper or pasteboard

Info

Publication number
GB301807A
GB301807A GB35879/28A GB3587928A GB301807A GB 301807 A GB301807 A GB 301807A GB 35879/28 A GB35879/28 A GB 35879/28A GB 3587928 A GB3587928 A GB 3587928A GB 301807 A GB301807 A GB 301807A
Authority
GB
United Kingdom
Prior art keywords
paper
pulp
cellulose
pasteboard
manufacture
Prior art date
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
GB35879/28A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB301807A publication Critical patent/GB301807A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • D21H17/27—Esters thereof

Abstract

301,807. I. G. Farbenindustrie Akt.- Ges. Dec. 5 ,1927, [Convention date]. Grant of Patent opposed. Addition to 289,063, [Class 70, Indiarubber &c.]. Pulp, adding special substances to; reinforced paper.-The cellulose derivatives of higher fatty acids mentioned in the parent Specification are added to and mixed thoroughly with paper pulp at any stage in its manufacture before its reaches the paper machine for the manufacture of waterproof paper or pasteboard or of articles made therefrom. Proportions of 0.5-10 or even 50 per cent calculated on the finished product may be added. The cellulose derivatives are caused to coalesce by pressure and heat as by heated calender rolls, the temperature being kept below that at which the cellulose derivative is liquid. Threads or woven fabrics may be incorporated in the paper and patterns may be impressed thereon. The pulp mixture may be treated in press moulds as described in the parent Specification, waterproof containers of paper or pasteboard being thus prepared. In an example 100 kilos of cellulose pulp are mixed with 3 kilos of insoluble cellulose dilaurate and the mixture made into paper, the temperature and pressure of the calenders being 110‹-120‹ C. and 50 atmospheres respectively.
GB35879/28A 1927-12-05 1928-12-05 Manufacture of waterproof paper or pasteboard Expired GB301807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE301807X 1927-12-05

Publications (1)

Publication Number Publication Date
GB301807A true GB301807A (en) 1930-01-30

Family

ID=6102159

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35879/28A Expired GB301807A (en) 1927-12-05 1928-12-05 Manufacture of waterproof paper or pasteboard

Country Status (2)

Country Link
BE (1) BE354847A (en)
GB (1) GB301807A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526125A (en) * 1942-05-25 1950-10-17 American Viscose Corp Paper products and methods of making the same
US2626214A (en) * 1949-06-14 1953-01-20 C H Dexter & Sons Inc Paper from long synthetic fibers and partially water soluble sodium carboxymethylcellulose and method
US2736653A (en) * 1953-06-15 1956-02-28 Erickson Donald Robert Manufacture of paper containing hydroxyethyl cellulose

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526125A (en) * 1942-05-25 1950-10-17 American Viscose Corp Paper products and methods of making the same
US2626214A (en) * 1949-06-14 1953-01-20 C H Dexter & Sons Inc Paper from long synthetic fibers and partially water soluble sodium carboxymethylcellulose and method
US2736653A (en) * 1953-06-15 1956-02-28 Erickson Donald Robert Manufacture of paper containing hydroxyethyl cellulose

Also Published As

Publication number Publication date
BE354847A (en)

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