ES435097A1 - Wate-rresistant paper - Google Patents

Wate-rresistant paper

Info

Publication number
ES435097A1
ES435097A1 ES435097A ES435097A ES435097A1 ES 435097 A1 ES435097 A1 ES 435097A1 ES 435097 A ES435097 A ES 435097A ES 435097 A ES435097 A ES 435097A ES 435097 A1 ES435097 A1 ES 435097A1
Authority
ES
Spain
Prior art keywords
cardboard
rresistant
wate
paper
weight
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
ES435097A
Other languages
Spanish (es)
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.)
ConocoPhillips Co
Original Assignee
Continental Oil Co
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 US05/534,241 external-priority patent/US3962509A/en
Application filed by Continental Oil Co filed Critical Continental Oil Co
Publication of ES435097A1 publication Critical patent/ES435097A1/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
    • D21H17/60—Waxes

Landscapes

  • Paper (AREA)

Abstract

Procedure for obtaining waterproofed cardboard with a water absorption of less than 20% and a high resistance in the wet state, characterized in that it comprises: (a) impregnating the cardboard with a mixture consisting essentially of between 10 and 50% by weight of oil stick and 90-50% by weight paraffin wax; and, (b) heating the impregnated cardboard to an elevated temperature for the time necessary to cure said cardboard. (Machine-translation by Google Translate, not legally binding)
ES435097A 1974-03-04 1975-02-26 Wate-rresistant paper Expired ES435097A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US44809274A 1974-03-04 1974-03-04
US47501674A 1974-05-31 1974-05-31
US05/534,241 US3962509A (en) 1974-05-31 1974-12-24 Waterproof paperboard and method for producing same

Publications (1)

Publication Number Publication Date
ES435097A1 true ES435097A1 (en) 1977-03-16

Family

ID=27412353

Family Applications (1)

Application Number Title Priority Date Filing Date
ES435097A Expired ES435097A1 (en) 1974-03-04 1975-02-26 Wate-rresistant paper

Country Status (7)

Country Link
CA (1) CA1035640A (en)
DE (1) DE2502700A1 (en)
ES (1) ES435097A1 (en)
FR (1) FR2263084A1 (en)
GB (1) GB1444336A (en)
IT (1) IT1033177B (en)
NL (1) NL7502556A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE545417C2 (en) * 2021-12-22 2023-09-05 Stora Enso Oyj Cellulose product with barrier
SE545416C2 (en) * 2021-12-22 2023-09-05 Stora Enso Oyj Composite products

Also Published As

Publication number Publication date
CA1035640A (en) 1978-08-01
FR2263084A1 (en) 1975-10-03
IT1033177B (en) 1979-07-10
NL7502556A (en) 1975-09-08
DE2502700A1 (en) 1975-09-11
GB1444336A (en) 1976-07-28

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