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DK226684A - PROCEDURE FOR THE MANUFACTURE OF AUTOCLAVATED FIBER PREPARED PRODUCTS - Google Patents

PROCEDURE FOR THE MANUFACTURE OF AUTOCLAVATED FIBER PREPARED PRODUCTS Download PDF

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Publication number
DK226684A
DK226684A DK226684A DK226684A DK226684A DK 226684 A DK226684 A DK 226684A DK 226684 A DK226684 A DK 226684A DK 226684 A DK226684 A DK 226684A DK 226684 A DK226684 A DK 226684A
Authority
DK
Denmark
Prior art keywords
shaped objects
lime
preparation
bulk density
objects
Prior art date
Application number
DK226684A
Other languages
Danish (da)
Other versions
DK149882B (en
DK149882C (en
DK226684D0 (en
Inventor
Jens Christian Gregersen
Original Assignee
Eternit Fab Dansk As
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 DK206883A external-priority patent/DK206883D0/en
Application filed by Eternit Fab Dansk As filed Critical Eternit Fab Dansk As
Priority to DK226684A priority Critical patent/DK149882C/en
Publication of DK226684D0 publication Critical patent/DK226684D0/en
Publication of DK226684A publication Critical patent/DK226684A/en
Publication of DK149882B publication Critical patent/DK149882B/en
Application granted granted Critical
Publication of DK149882C publication Critical patent/DK149882C/en

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Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Landscapes

  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Paper (AREA)

Abstract

The invention relates to a process for the preparation of autoclaved fibre-reinforced shaped objects with a bulk density of at least 600 kg/m3, e.g. flat or corrugated plates, boards and panels, whose matrix consists of a hardened calcium silicate binder. The first step in this process is the preparation of an aqueous solution containing 5-30% of fibrous material (including at least 5% of cellulose fibres), 15-50% of ultra-fine silica powder with a specific surface area of 5-200 m2/g and a mean particle diameter of less than about 0.5 microns, 20- 80% of lime and/or a lime-containing material, and 0-40% of additives (calculated on a dry-matter basis). The initial shaped objects are then obtained by dewatering the slurry, and autoclaving the crude objects, possibly after compression and preliminary hardening. The resulting autoclaved shaped objects are characterized by a high strength relative to their bulk density, together with a low permeability, a high frost resistance and a high degree of flexibility.
DK226684A 1983-05-10 1984-05-08 PROCEDURE FOR THE MANUFACTURE OF AUTOCLAVATED FIBER PREPARED PRODUCTS DK149882C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK226684A DK149882C (en) 1983-05-10 1984-05-08 PROCEDURE FOR THE MANUFACTURE OF AUTOCLAVATED FIBER PREPARED PRODUCTS

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DK206883 1983-05-10
DK206883A DK206883D0 (en) 1983-05-10 1983-05-10 PROCEDURE FOR THE MANUFACTURE OF AUTOCLAVATED FIBER Reinforced Molds
DK226684A DK149882C (en) 1983-05-10 1984-05-08 PROCEDURE FOR THE MANUFACTURE OF AUTOCLAVATED FIBER PREPARED PRODUCTS
DK226684 1984-05-08

Publications (4)

Publication Number Publication Date
DK226684D0 DK226684D0 (en) 1984-05-08
DK226684A true DK226684A (en) 1984-11-11
DK149882B DK149882B (en) 1986-10-20
DK149882C DK149882C (en) 1987-03-09

Family

ID=26066336

Family Applications (1)

Application Number Title Priority Date Filing Date
DK226684A DK149882C (en) 1983-05-10 1984-05-08 PROCEDURE FOR THE MANUFACTURE OF AUTOCLAVATED FIBER PREPARED PRODUCTS

Country Status (1)

Country Link
DK (1) DK149882C (en)

Also Published As

Publication number Publication date
DK149882B (en) 1986-10-20
DK149882C (en) 1987-03-09
DK226684D0 (en) 1984-05-08

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