EP0133902A3 - Paper sizing process - Google Patents

Paper sizing process Download PDF

Info

Publication number
EP0133902A3
EP0133902A3 EP84107521A EP84107521A EP0133902A3 EP 0133902 A3 EP0133902 A3 EP 0133902A3 EP 84107521 A EP84107521 A EP 84107521A EP 84107521 A EP84107521 A EP 84107521A EP 0133902 A3 EP0133902 A3 EP 0133902A3
Authority
EP
European Patent Office
Prior art keywords
paper sizing
sizing process
paper
nh2o
filler
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.)
Withdrawn
Application number
EP84107521A
Other languages
German (de)
French (fr)
Other versions
EP0133902A2 (en
Inventor
Nicola Spina
Antonio Isolati
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.)
Prodeco SpA
Original Assignee
Prodeco SpA
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 Prodeco SpA filed Critical Prodeco SpA
Publication of EP0133902A2 publication Critical patent/EP0133902A2/en
Publication of EP0133902A3 publication Critical patent/EP0133902A3/en
Withdrawn legal-status Critical Current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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

In the paper sizing in which synthetic cellulose-reactive sizing agents and calcium carbonate as the filler are used, the aluminum polyhydroxychloride of formula:
Al₂(OH)6-xClx · nH₂O
wherein 0.96≦ x ≦6 and n = 2x has an excellent retention effect.
EP84107521A 1983-07-01 1984-06-28 Paper sizing process Withdrawn EP0133902A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2189383 1983-07-01
IT21893/83A IT1163643B (en) 1983-07-01 1983-07-01 PROCEDURE FOR PAPER COLLATION, IN PARTICULAR IN THE PRESENCE OF A SENSITIVE CHARGE IN THE ACID ENVIRONMENT

Publications (2)

Publication Number Publication Date
EP0133902A2 EP0133902A2 (en) 1985-03-13
EP0133902A3 true EP0133902A3 (en) 1985-05-02

Family

ID=11188327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107521A Withdrawn EP0133902A3 (en) 1983-07-01 1984-06-28 Paper sizing process

Country Status (8)

Country Link
EP (1) EP0133902A3 (en)
JP (1) JPS6034698A (en)
AU (1) AU3005884A (en)
FI (1) FI842646A (en)
IT (1) IT1163643B (en)
NO (1) NO842651L (en)
PT (1) PT78806B (en)
ZA (1) ZA844944B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61194299A (en) * 1985-02-21 1986-08-28 株式会社　協立有機工業研究所 Enhancement of yield of filler in neutral papermaking
SE8700058L (en) * 1987-01-09 1988-07-10 Skogsindustriens Tekniska Fors PAPER
JPS63180948A (en) * 1987-01-21 1988-07-26 Mitsubishi Paper Mills Ltd Base for photographic paper
JPH0648360B2 (en) * 1987-01-21 1994-06-22 三菱製紙株式会社 Support for photographic paper
FR2612961B1 (en) * 1987-03-23 1989-10-13 Atochem PROCESS FOR THE MANUFACTURE OF PAPER BY ADDITION TO THE FIBROUS SUSPENSION OF A MINERAL FILLER, A GLUING AGENT, CATIONIC STARCH AND ALUMINUM POLYCHLORIDE
ATE118848T1 (en) * 1990-01-22 1995-03-15 Exxon Chemical Patents Inc REDUCING FOAM IN PAPER PRODUCTION.
TR24973A (en) * 1991-02-05 1992-09-01 Exxon Chemical Patents Inc REDUCING FOAMING IN PAPER MANUFACTURING

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128223A (en) * 1960-10-28 1964-04-07 Hoechst Ag Process for improving the retention of mineral fillers in the formation of paper fleeces
CA759363A (en) * 1964-05-26 1967-05-23 Harima Kasei Kogyo Co. Sizing of paper
US4147682A (en) * 1976-12-09 1979-04-03 Toagosei Chemical Industry Co., Ltd. Additive composition for use in papermaking
FR2418297A1 (en) * 1978-02-27 1979-09-21 Ugine Kuhlmann IMPROVEMENT OF PAPER AND BOARD MANUFACTURING PROCESSES
WO1981000268A1 (en) * 1979-07-10 1981-02-05 Arjomari Prioux Sheet products and preparation process thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128223A (en) * 1960-10-28 1964-04-07 Hoechst Ag Process for improving the retention of mineral fillers in the formation of paper fleeces
CA759363A (en) * 1964-05-26 1967-05-23 Harima Kasei Kogyo Co. Sizing of paper
US4147682A (en) * 1976-12-09 1979-04-03 Toagosei Chemical Industry Co., Ltd. Additive composition for use in papermaking
FR2418297A1 (en) * 1978-02-27 1979-09-21 Ugine Kuhlmann IMPROVEMENT OF PAPER AND BOARD MANUFACTURING PROCESSES
WO1981000268A1 (en) * 1979-07-10 1981-02-05 Arjomari Prioux Sheet products and preparation process thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ABSTRACTS BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol. 53, no. 11, May 1983, abstract no. 11822, Appleton, Wisconsin (US); & Ind. Carta 20, no. 10: 301-311 (Oct. 1982) *
TAPPI, vol. 62, no. 2, February 1979, Atlanta, GA (US); *

Also Published As

Publication number Publication date
IT1163643B (en) 1987-04-08
NO842651L (en) 1985-01-02
EP0133902A2 (en) 1985-03-13
FI842646A0 (en) 1984-06-29
PT78806A (en) 1984-07-01
PT78806B (en) 1986-06-05
FI842646A (en) 1985-01-02
IT8321893A0 (en) 1983-07-01
ZA844944B (en) 1985-02-27
AU3005884A (en) 1985-01-03
JPS6034698A (en) 1985-02-22

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

AK Designated contracting states

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STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19860107

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ISOLATI, ANTONIO

Inventor name: SPINA, NICOLA