DE60024483D1 - MULTIPHASIC CALSIUMSILICATE HYDRATES, METHOD OF MANUFACTURING THE SAME AND IMPROVED PAPER AND PIGMENT PRODUCTS THEREOF - Google Patents

MULTIPHASIC CALSIUMSILICATE HYDRATES, METHOD OF MANUFACTURING THE SAME AND IMPROVED PAPER AND PIGMENT PRODUCTS THEREOF

Info

Publication number
DE60024483D1
DE60024483D1 DE60024483T DE60024483T DE60024483D1 DE 60024483 D1 DE60024483 D1 DE 60024483D1 DE 60024483 T DE60024483 T DE 60024483T DE 60024483 T DE60024483 T DE 60024483T DE 60024483 D1 DE60024483 D1 DE 60024483D1
Authority
DE
Germany
Prior art keywords
calcium silicate
hydrates
silicate hydrates
calsiumsilicate
multiphasic
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 - Lifetime
Application number
DE60024483T
Other languages
German (de)
Other versions
DE60024483T2 (en
Inventor
Vijay Mathur
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE60024483D1 publication Critical patent/DE60024483D1/en
Application granted granted Critical
Publication of DE60024483T2 publication Critical patent/DE60024483T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

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.
DE60024483T 1999-08-26 2000-08-26 MULTIPHASIC CALCIUM SILICATE HYDRATES, PROCESS FOR PREPARING THE SAME AND IMPROVED PAPER AND PIGMENT PRODUCTS CONTAINING THEM Expired - Lifetime DE60024483T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15086299P 1999-08-26 1999-08-26
US150862P 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 (2)

Publication Number Publication Date
DE60024483D1 true DE60024483D1 (en) 2006-01-05
DE60024483T2 DE60024483T2 (en) 2006-08-17

Family

ID=22536309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60024483T Expired - Lifetime DE60024483T2 (en) 1999-08-26 2000-08-26 MULTIPHASIC CALCIUM SILICATE HYDRATES, PROCESS FOR PREPARING THE SAME AND IMPROVED PAPER AND PIGMENT PRODUCTS CONTAINING THEM

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
KR20050073608A (en) * 2002-11-05 2005-07-14 제임스 하디 인터내셔널 파이낸스 비.브이. 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
US9752283B2 (en) 2007-09-12 2017-09-05 Ecolab Usa Inc. Anionic preflocculation of fillers used in papermaking
US8747617B2 (en) 2007-09-12 2014-06-10 Nalco Company Controllable filler prefloculation using a dual polymer system
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
AU6941100A (en) 2001-03-19
CA2382869C (en) 2013-04-02
EP1235758A1 (en) 2002-09-04
DE60024483T2 (en) 2006-08-17
WO2001014274A1 (en) 2001-03-01
ATE311353T1 (en) 2005-12-15
CA2382869A1 (en) 2001-03-01
EP1235758A4 (en) 2002-11-13
EP1235758B1 (en) 2005-11-30

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