ATE311353T1 - MULTIPHASE CALSIUM SILICATE HYDRATES, METHOD FOR PRODUCING THE SAME AND IMPROVED PAPER AND PIGMENT PRODUCTS CONTAINING THE SAME - Google Patents

MULTIPHASE CALSIUM SILICATE HYDRATES, METHOD FOR PRODUCING THE SAME AND IMPROVED PAPER AND PIGMENT PRODUCTS CONTAINING THE SAME

Info

Publication number
ATE311353T1
ATE311353T1 AT00957850T AT00957850T ATE311353T1 AT E311353 T1 ATE311353 T1 AT E311353T1 AT 00957850 T AT00957850 T AT 00957850T AT 00957850 T AT00957850 T AT 00957850T AT E311353 T1 ATE311353 T1 AT E311353T1
Authority
AT
Austria
Prior art keywords
same
silicate hydrates
calcium silicate
multiphase
producing
Prior art date
Application number
AT00957850T
Other languages
German (de)
Inventor
Vijay Mathur
Original Assignee
Vijay Mathur
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 Vijay Mathur filed Critical Vijay Mathur
Application granted granted Critical
Publication of ATE311353T1 publication Critical patent/ATE311353T1/en

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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • D21H21/285—Colorants ; Pigments or opacifying agents insoluble
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • 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
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Paper (AREA)

Abstract

A method for the hydrothermal preparation of calcium silicate hydrates. Multi-phase calcium silicate hydrates, having unique physical and chemical properties, are prepared by hydrothermal reaction of specified ratios of CaO and SiO2, normally starting from slurries of slaked lime and from fluxed calcined diatomaceous earth, each of which is at about the atmospheric boiling point before being mixed and charged to a reactor, and pressurized. The hydrothermal reaction is carried out while maintaining the initial dilution for a preselected reaction time at a preselected reaction temperature. The calcium silicate hydrates produced have high water absorption and light scattering power, and have optical and physical properties making them highly desirable as a filler substitute in papermaking.
AT00957850T 1999-08-26 2000-08-26 MULTIPHASE CALSIUM SILICATE HYDRATES, METHOD FOR PRODUCING THE SAME AND IMPROVED PAPER AND PIGMENT PRODUCTS CONTAINING THE SAME ATE311353T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15086299P 1999-08-26 1999-08-26
PCT/US2000/023506 WO2001014274A1 (en) 1999-08-26 2000-08-26 Multi-phase calcium silicate hydrates, methods for their preparation, and improved paper and pigment products produced therewith

Publications (1)

Publication Number Publication Date
ATE311353T1 true ATE311353T1 (en) 2005-12-15

Family

ID=22536309

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00957850T ATE311353T1 (en) 1999-08-26 2000-08-26 MULTIPHASE CALSIUM SILICATE HYDRATES, METHOD FOR PRODUCING THE SAME AND IMPROVED PAPER AND PIGMENT PRODUCTS CONTAINING THE SAME

Country Status (6)

Country Link
EP (1) EP1235758B1 (en)
AT (1) ATE311353T1 (en)
AU (1) AU6941100A (en)
CA (1) CA2382869C (en)
DE (1) DE60024483T2 (en)
WO (1) WO2001014274A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ539746A (en) * 2002-11-05 2008-03-28 James Hardie Int Finance Bv Method and apparatus for producing calcium silicate hydrate
US7964063B2 (en) 2006-08-11 2011-06-21 Georgia Tech Research Corporation Methods and compositions for papermaking
US8778140B2 (en) 2007-09-12 2014-07-15 Nalco Company Preflocculation of fillers used in papermaking
US8747617B2 (en) 2007-09-12 2014-06-10 Nalco Company Controllable filler prefloculation using a dual polymer system
US9752283B2 (en) 2007-09-12 2017-09-05 Ecolab Usa Inc. Anionic preflocculation of fillers used in papermaking
US8088250B2 (en) 2008-11-26 2012-01-03 Nalco Company Method of increasing filler content in papermaking
CN102605668B (en) * 2012-03-31 2014-12-24 陕西科技大学 Method for making high-bulk paper by adopting chemical wood pulp
BE1023623B1 (en) * 2015-11-16 2017-05-18 Carmeuse Research And Technology CAPTATION AGENT FOR THE TREATMENT OF FUMES
CN109881525B (en) * 2019-01-31 2021-03-19 济南盛和纸业有限公司 Preparation method of indoor air purification paper
CN114573875B (en) * 2022-05-05 2023-09-12 华北理工大学 Preparation method of nano silicon dioxide-calcium silicate whisker and modified phenolic resin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679446A (en) * 1968-06-04 1972-07-25 Osaka Packing Molding materials of calcium silicate hydrate and shaped products thereof
JPS5622812B2 (en) * 1971-05-08 1981-05-27
GB1539141A (en) * 1976-02-13 1979-01-24 Osaka Packing Shaped bodies of calcium silicate and process for producing same
US4402892A (en) * 1980-10-15 1983-09-06 Owens-Corning Fiberglas Corporation Method for making xonotlite insulation by foaming an aqueous slurry of calcareous and siliceous reactants and cellulosic and glass fibers
JPH0699880B2 (en) * 1985-07-26 1994-12-07 小野田セメント株式会社 Non-combustible paper and its manufacturing method

Also Published As

Publication number Publication date
CA2382869A1 (en) 2001-03-01
EP1235758B1 (en) 2005-11-30
CA2382869C (en) 2013-04-02
EP1235758A1 (en) 2002-09-04
WO2001014274A1 (en) 2001-03-01
AU6941100A (en) 2001-03-19
DE60024483D1 (en) 2006-01-05
DE60024483T2 (en) 2006-08-17
EP1235758A4 (en) 2002-11-13

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties