WO2005014502A1 - Isolant en pearlite et son procede de production - Google Patents

Isolant en pearlite et son procede de production Download PDF

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Publication number
WO2005014502A1
WO2005014502A1 PCT/KR2004/001955 KR2004001955W WO2005014502A1 WO 2005014502 A1 WO2005014502 A1 WO 2005014502A1 KR 2004001955 W KR2004001955 W KR 2004001955W WO 2005014502 A1 WO2005014502 A1 WO 2005014502A1
Authority
WO
WIPO (PCT)
Prior art keywords
pearlite
paste
liquid
hardening agent
insulator
Prior art date
Application number
PCT/KR2004/001955
Other languages
English (en)
Inventor
Chong-Do Kim
Hyun-Chang Shin
Original Assignee
Chong-Do Kim
Hyun-Chang Shin
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 KR1020030054548A external-priority patent/KR100548963B1/ko
Application filed by Chong-Do Kim, Hyun-Chang Shin filed Critical Chong-Do Kim
Publication of WO2005014502A1 publication Critical patent/WO2005014502A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26—Silicates of the alkali metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/04—Heat treatment
    • C04B20/06—Expanding clay, perlite, vermiculite or like granular materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52—Sound-insulating materials

Definitions

  • FIG. 1 is a partial cross-sectional view illustrating a heat insulation panel according to the present invention.
  • Pearlite grains having a size of 0.5 to 8 mm are used as the granular pearlite, and liquid-state sodium alumino silicate Na 2 O-Al2 ⁇ 3 -xSiO 2 , here x is a mole ratio and a value thereof is 3.98, is used as the liquid-state soda silicate, and lime or sodium carbonate is used as the hardening agent. Since the liquid-state soda silicate is easily solidified due to the addition of the hardening agent, the third step of shaping is preferably performed in
  • the hardening speed depends upon the quantity of the hardening agent added.
  • the shaped pearlite paste may dry naturally, but since the drying speed is slow, a method of heating for drying is preferable. Specifically, drying with hot air is preferable. However, the rapid heating makes the surface be solidified before the inside is not solidified yet, thereby spoiling the product. Therefore, in the step of drying with hot air, it is necessary that the shaped pearlite paste is gradually heated up to a temperature of 150°C for an hour.
  • Fig. 1 is a cross-sectional view illustrating an example of the pearlite panel according to the present invention. This panel is obtained by stacking two panels of a first panel 10 and a second panel 20 to form a thick panel (for example, the panel has a thickness of 40 mm to 100 mm).
  • the shaped pearlite paste is gradually heated up to a temperature 150°C for an hour and is heated up to a temperature of 150 to 300°C for two hours, thereby completing a product.
  • Another embodiment will be described. After mixing grains and liquid-state soda silicate, a hardening agent and water is added thereto, thus they are kneaded as a pearlite paste. An excessively added hardening agent to the pearlite paste is removed by transferring the mixed material over a net-shaped conveyor. Next, shaping process is continued for any purpose of pearlite insulators.
  • a pearlite paste layer, an asbestos non-woven fabric layer, and a pearlite paste layer are stacked and pressed to attached the three layers together. After shaping a pearlite insulator, the pearlite insulator is dried and thereby completing a product.
  • the pearlite an environment-friendly material obtained by heating process for pearl stones or vermiculite stones, thus having properties of removal of toxicity, decomposition, and purification.
  • the Liquid-state sodium alumino silicate is used as the liquid-state soda silicate.
  • the shaping process of the pearlite paste is shaped by using a press shaping machine which forms a plurality of holes in the shaped pearlite paste with a plurality of pins fitted to the lower portion of a top mold. Then, the shaped pearlite paste is cured and dried by passing through a continuous drying furnace sequentially equipped with a steam smothering equipment at a temperature of 60 to 150°C and a hot-air drying equipment at a temperature of 200 to 250°C. Next, the dried shaped product is cooled with a normal air cooling equipment, thereby completing a construction material.
  • the method and products made by the present invention may be used in manufacturing industry, and in Architecture.
  • the products may be used in machinery, home appliances, etc.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

L'invention concerne un procédé de production d'un isolant en pearlite moulé comprenant les étapes consistant : à mélanger une pearlite granulaire avec du silicate de soude à l'état liquide selon un rapport de (6∩10) :10 en poids pour préparer un pâte de pearlite ; à mélanger un agent de durcissement à la pâte de pearlite par addition de l'agent de durcissement à la pâte de pearlite en un rapport de 0,1 à 10 % en poids de la silicate de soude à l'état liquide, et à façonner la pâte de pearlite mélangée pour qu'elle prenne une forme prédéterminée à l'aide d'un moule puis à sécher la pâte de pearlite, et un isolant en pearlite moulé. Des grains de pearlite d'une grosseur de 0,5 à 8 mm sont utilisés comme pearlite granulaire, un alumino-silicate de sodium à l'état liquide est utilisé comme silicate de soude à l'état liquide et de la chaux ou du carbonate de sodium est utilisé comme agent de durcissement.
PCT/KR2004/001955 2003-08-07 2004-08-04 Isolant en pearlite et son procede de production WO2005014502A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2003-0054548 2003-08-07
KR1020030054548A KR100548963B1 (ko) 2002-12-10 2003-08-07 펄라이트를 이용한 다기능, 다공질 세라믹 형상을 갖는건축자재의 제조방법

Publications (1)

Publication Number Publication Date
WO2005014502A1 true WO2005014502A1 (fr) 2005-02-17

Family

ID=34132123

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2004/001955 WO2005014502A1 (fr) 2003-08-07 2004-08-04 Isolant en pearlite et son procede de production

Country Status (1)

Country Link
WO (1) WO2005014502A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2343471A1 (fr) * 2010-01-07 2011-07-13 Josef Entfellner Paroi ignifuge et son procédé de fabrication

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336068A (en) * 1978-07-03 1982-06-22 Lebanon Steel Foundry High strength insulation materials
EP0118744A2 (fr) * 1983-02-07 1984-09-19 Otavi Minen Ag Matériau de construction léger et procédé pour sa fabrication
KR970008737B1 (ko) * 1994-12-29 1997-05-28 김만제 경량 단열재 제조방법
EP1215181A1 (fr) * 2000-12-18 2002-06-19 G-P Gypsum Corporation Noyaux pour portes coupe-feu et procédés pour leur fabrication
KR20030025361A (ko) * 2001-09-20 2003-03-29 삼손퍼라이트 주식회사 표면개질 팽창펄라이트 및 그 용도
KR20030058968A (ko) * 2003-04-07 2003-07-07 주식회사 디엔에스 불연성 경량건축재 및 그 제조방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336068A (en) * 1978-07-03 1982-06-22 Lebanon Steel Foundry High strength insulation materials
EP0118744A2 (fr) * 1983-02-07 1984-09-19 Otavi Minen Ag Matériau de construction léger et procédé pour sa fabrication
KR970008737B1 (ko) * 1994-12-29 1997-05-28 김만제 경량 단열재 제조방법
EP1215181A1 (fr) * 2000-12-18 2002-06-19 G-P Gypsum Corporation Noyaux pour portes coupe-feu et procédés pour leur fabrication
KR20030025361A (ko) * 2001-09-20 2003-03-29 삼손퍼라이트 주식회사 표면개질 팽창펄라이트 및 그 용도
KR20030058968A (ko) * 2003-04-07 2003-07-07 주식회사 디엔에스 불연성 경량건축재 및 그 제조방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2343471A1 (fr) * 2010-01-07 2011-07-13 Josef Entfellner Paroi ignifuge et son procédé de fabrication

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