UA102866C2 - Inorganic board and a method for its production - Google Patents

Inorganic board and a method for its production

Info

Publication number
UA102866C2
UA102866C2 UAA201104526A UAA201104526A UA102866C2 UA 102866 C2 UA102866 C2 UA 102866C2 UA A201104526 A UAA201104526 A UA A201104526A UA A201104526 A UAA201104526 A UA A201104526A UA 102866 C2 UA102866 C2 UA 102866C2
Authority
UA
Ukraine
Prior art keywords
inorganic board
change rate
raw material
producing
dimensional change
Prior art date
Application number
UAA201104526A
Other languages
Russian (ru)
Ukrainian (uk)
Inventor
Сусуму Шимано
Original Assignee
Нитиха Корпорейшн
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 Нитиха Корпорейшн filed Critical Нитиха Корпорейшн
Publication of UA102866C2 publication Critical patent/UA102866C2/en

Links

Abstract

An inorganic board is obtained by extrusion molding of raw material composition, contains cement and silica-containing material in weight ratio ranging from 45:55 to 55:45, contains 3 to 8 wt%, with respect to total solids, of organic fibers. In the inorganic board, specific gravity ranges from 1.4 to 2.0, flexural strength is not lower than 20 N/mm 2 , dimensional change rate upon ten-day moisture release at 80 0 C is not greater than 0.1%, dimensional change rate upon seven-day moisture absorption is not greater than 0.1%, seven-day dimensional change rate in an environment having carbon dioxide concentration of 5% is not greater than 0.1%. A method for producing the inorganic board comprises the steps of producing raw material composition that comprises cement, silica-containing material and organic fibers; producing mat by extrusion molding of the raw material composition; and subjecting the mat to autoclave curing at 140 to 200*C.
UAA201104526A 2011-03-24 2011-04-13 Inorganic board and a method for its production UA102866C2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EA201170377A EA019513B1 (en) 2011-03-24 2011-03-24 Inorganic board and inorganic board production method

Publications (1)

Publication Number Publication Date
UA102866C2 true UA102866C2 (en) 2013-08-27

Family

ID=46882991

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA201104526A UA102866C2 (en) 2011-03-24 2011-04-13 Inorganic board and a method for its production

Country Status (2)

Country Link
EA (1) EA019513B1 (en)
UA (1) UA102866C2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002166406A (en) * 2000-12-01 2002-06-11 Nichiha Corp Method for manufacturing woody cement board
US7828892B2 (en) * 2004-08-31 2010-11-09 Nichiha Corporation Inorganic board and a method for the manufacturing thereof
US20070062143A1 (en) * 2005-09-21 2007-03-22 Noushad Rafie L Construction products and method of making same

Also Published As

Publication number Publication date
EA019513B1 (en) 2014-04-30
EA201170377A1 (en) 2012-09-28

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