FR1258646A - Improvement of paper strength by treatment with polyfunctional isocyanates - Google Patents

Improvement of paper strength by treatment with polyfunctional isocyanates

Info

Publication number
FR1258646A
FR1258646A FR828845A FR828845A FR1258646A FR 1258646 A FR1258646 A FR 1258646A FR 828845 A FR828845 A FR 828845A FR 828845 A FR828845 A FR 828845A FR 1258646 A FR1258646 A FR 1258646A
Authority
FR
France
Prior art keywords
improvement
treatment
paper strength
polyfunctional isocyanates
isocyanates
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
FR828845A
Other languages
French (fr)
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.)
WR Grace and Co
Original Assignee
WR Grace and 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
Application filed by WR Grace and Co filed Critical WR Grace and Co
Priority to FR828845A priority Critical patent/FR1258646A/en
Priority claimed from US102085A external-priority patent/US3238010A/en
Application granted granted Critical
Publication of FR1258646A publication Critical patent/FR1258646A/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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing compounds
    • D21H17/08—Isocyanates
FR828845A 1959-06-02 1960-06-01 Improvement of paper strength by treatment with polyfunctional isocyanates Expired FR1258646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR828845A FR1258646A (en) 1959-06-02 1960-06-01 Improvement of paper strength by treatment with polyfunctional isocyanates

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US81748859A 1959-06-02 1959-06-02
FR828845A FR1258646A (en) 1959-06-02 1960-06-01 Improvement of paper strength by treatment with polyfunctional isocyanates
US102085A US3238010A (en) 1959-06-02 1961-03-31 Method of reacting cellulose paper and specific non-ionic latices containing hydrogen and hydroxy groups in the polymer chain with polyisocyanate adducts

Publications (1)

Publication Number Publication Date
FR1258646A true FR1258646A (en) 1961-04-14

Family

ID=27245533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828845A Expired FR1258646A (en) 1959-06-02 1960-06-01 Improvement of paper strength by treatment with polyfunctional isocyanates

Country Status (1)

Country Link
FR (1) FR1258646A (en)

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