WO2004106259A1 - 硬化体及び硬化体の製造方法 - Google Patents
硬化体及び硬化体の製造方法 Download PDFInfo
- Publication number
- WO2004106259A1 WO2004106259A1 PCT/JP2004/007260 JP2004007260W WO2004106259A1 WO 2004106259 A1 WO2004106259 A1 WO 2004106259A1 JP 2004007260 W JP2004007260 W JP 2004007260W WO 2004106259 A1 WO2004106259 A1 WO 2004106259A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- parts
- cured product
- curing
- press molding
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/54—Producing shaped prefabricated articles from the material specially adapted for producing articles from molten material, e.g. slag refractory ceramic 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J1/00—Targets; Target stands; Target holders
- F41J1/01—Target discs characterised by their material, structure or surface, e.g. clay pigeon targets characterised by their material
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Definitions
- the present invention relates to a curing composition, a method for producing a cured product using the curing composition, and the cured product, and in particular, a cured product used for a shooting target, a building material, and the like. It is about.
- the present invention has been made to solve the above-mentioned problems, and an object of the present invention is to obtain a predetermined product strength in a short time with a small change in weight and dimensional shrinkage. It is an object of the present invention to provide a method for producing a cured product having excellent performance such as quality and strength and high productivity. Means for solving the problem
- the present invention has the following configurations.
- a curing composition comprising 100 parts by weight of slag powder or papermaking sludge powder and 30 parts by weight or more and 120 parts by weight or less of sodium metasilicate hydrate.
- a method for producing a cured product comprising hot-press molding the composition according to item (1).
- a shooting target comprising the cured product according to (7).
- the present invention has the above-described configuration, it is possible to obtain a predetermined product strength in a short time, and to obtain a cured product excellent in heat resistance and water resistance in which a change in weight and dimensional shrinkage are small, In particular, a cured product suitable for a shooting target can be provided.
- the slag powder used in the present invention includes blast furnace slag powder, molten slag powder and the like.
- Blast-furnace slag powder is used to remove impurities and iron ash in the steelmaking process during the production of steel. It is a melt produced by the reaction of limestone.
- Molten slag is a vitrified solid obtained by heating and burning waste such as incineration ash at ultra-high temperatures using the heat energy obtained from combustion heat or electricity, melting inorganic materials, and then cooling.
- Granulated blast furnace slag powder is obtained by rapidly cooling and pulverizing molten blast furnace slag with water, and is also simply called granulated slag. In the present invention, this granulated blast furnace slag powder is suitable for obtaining a predetermined product strength by hot press molding in an extremely short time.
- the water granulated slag powder preferably 2000c m "/ g 8000cm / g in fineness is Blaine specific surface area, in particular those of the powder of 3000 cm / g- 6000 cm Zg preferred.
- 3000 cm 2 / g Granulated blast furnace granulated slag of 6000 cm 2 / g is most preferably used, and such granulated granulated blast furnace slag can be produced by crushing or crushing and classifying granulated or massive granulated slag.
- papermaking sludge powder consisting of paper powder generated in the papermaking process can be used.
- the hydrous sodium metasilicate used in the present invention includes a compound represented by the general formula: Na 2 O -SiO ⁇ ⁇
- sodium metasilicate decahydrate melts at about 50 ° C when it is preferably heated, and becomes a solid that has lost six molecules of water of crystallization at 100 ° C.
- the crystallization water n is 0, it does not melt even when heated at 100 ° C., and when the crystallization water n increases, it becomes an aqueous solution at room temperature.
- the hydrous sodium metasilicate may contain a part of crystalline hydrous potassium silicate.
- the crystalline potassium silicate is preferably 20 parts by weight or less based on 100 parts by weight of the sodium metasilicate hydrate.
- the melting temperature range is 50 ° C to 70 ° C depending on the mixing ratio of sodium metasilicate hydrate and crystalline potassium silicate.
- This crystalline hydrous potassium silicate is composed of potassium metasilicate hydrous salt 3K 0 -2SiO ⁇ ⁇ 0 (
- the amount of the sodium metasilicate hydrate of the present invention is preferably 30 parts by weight or more and 120 parts by weight or less based on 100 parts by weight of the slag powder or papermaking sludge powder. If the amount is less than 30 parts by weight, when the composition is heated and melted, fluidity required for molding a cured product is obtained. What? On the other hand, if it exceeds 120 parts by weight, a problem occurs in the water resistance of the cured product. From the viewpoints of fluidity during heating and melting of the composition and water resistance of the cured product, the content is more preferably 50 parts by weight or more and 90 parts by weight or less.
- the composition used in the present invention may optionally contain an inorganic filler, a colorant, a reinforcing fiber, and the like.
- an inorganic filler By adding the inorganic filler, the moldability of the cured product can be improved and the pot life can be extended.
- the inorganic filler is not particularly limited, and includes, for example, kaolin, talc, calcium carbonate, gypsum, fly ash, finely divided silica, lightly aerated concrete and the like.
- the inorganic filler those having an average particle diameter of 0.01 ⁇ m-lmm are preferred. If the average particle size is less than 0.01 zm, the fluidity of the composition during heating and melting is reduced, and the composition cannot be filled accurately. If it exceeds 1 mm, the strength of the cured product may decrease.
- the pigment used as a colorant in the present invention is an inorganic or inorganic pigment such as yellow oxide, red iron oxide, chrome oxide, ultramarin, cement green, ultramarine, phthalocyanine blue, purple iron oxide, iron black, carbon black, zinc oxide, and the like.
- Known organic pigments can be used.
- One or more pigments can be used in combination depending on the desired color.
- the amount of the pigment added to the curing composition is such that the pigment is added in an amount of 0.
- sashimi in a range of 5 parts by weight or more and 20 parts by weight or less. If the amount is less than 0.5 part by weight, the coloring is insufficient. If the amount exceeds 20 parts by weight, the mechanical performance of the cured product is reduced.
- reinforcing fibers By adding reinforcing fibers to the composition, the strength of the inorganic cured product can be improved and cracks can be prevented.
- examples thereof include organic fibers such as pulp, vinylon fiber, polypropylene fiber and aramide fiber, and inorganic fibers such as glass fiber and carbon fiber.
- the amount of reinforcing fiber added is preferably 15 parts by weight or less based on 100 parts by weight of slag powder or papermaking sludge powder. If the amount exceeds 15 parts by weight, the dispersibility of the fiber will decrease.
- the temperature range for heating and curing the cured composition of the present invention by hot press molding is preferably from 60 ° C to 120 ° C.
- the curing speed is slow.
- the cured product obtained by heat curing has low strength. It is easy to become something.
- strength is given to the cured body immediately after the heating and curing, and the molded article can be prevented from being deformed when it is released from the mold, which is suitable for mass production of the cured body. It will be.
- cold press molding can be employed instead of hot press molding.
- the cured product of the present invention can secure its performance as a target for shooting and a building material by controlling the components contained in the cured composition, the composition thereof, and the production conditions. For example, by adjusting the amounts of the reinforcing fibers and the sodium metasilicate hydrate in the composition, the strength of the cured product required as a target for shooting and the pulverization behavior due to shots can be produced in a well-balanced manner. In addition, even if the cured product is ground and falls to the ground, it does not contain harmful substances, so it is an environmentally friendly material that does not cause environmental problems.
- a cured composition a method for producing a cured product, a cured product, and a target for shooting according to the present invention will be specifically described.
- the present invention is not limited to the embodiments described below.
- a Hobart-type mixer (Malteau Co., Ltd.) containing 600 parts by weight of granulated blast furnace slag powder with a specific surface area of 3500 cm 2 / g, 360 parts by weight of sodium metasilicate 9-hydrate, and 5 parts by weight of pulp as fiber Was dry blended (dry kneading). Thereafter, using a hot press molding machine, hot press molding was performed at a temperature of 100 ° C. and a pressure of 10 ⁇ 10 5 Pa (10 kgfZcm 2 ) for 5 minutes, and the outer diameter was 110 mm (the inner diameter of the mold was 110 mm). A dish-shaped clay as a shooting target weighing 106 g (weight of the raw material was 112 g) was obtained.
- the molded article had no curing shrinkage, and the weight loss was 6 g.
- the breaking load of this clay was 250N (25kgf).
- the breaking load was measured by applying a load in the outer diameter direction of the dish-shaped clay.
- the breaking load after immersion in water for 24 hours was 230 N (23 kgf), and the breaking load after standing at 60 ° C for 24 hours was 200 N (20 kgf).
- a blend of 600 parts by weight of granulated blast furnace slag having a specific surface area of 3500 cm 2 Zg, 720 parts by weight of a 50% aqueous sodium metasilicate solution, and 5 parts by weight of pulp is dry-blended with a Hobart mixer (Malteau). Dry kneading). Thereafter, hot press molding was performed using a hot press molding machine at a temperature of 100 ° C. and a pressure of 10 ⁇ 10 5 Pa (10 kgf / cm 2 ) for 5 minutes, followed by heating at 80 ° C. for 3 hours.
- a clay dish-shaped outer diameter of 104 mm (inner diameter of the forming die 110 mm) and a weight of 70 g (raw material weight 105 g) was obtained.
- the cure shrinkage was 6 mm and the weight loss was 35 g.
- the breaking load of this clay was 170 N (17 kgf).
- Blast furnace granulated slag powder with a specific surface area of 3500 cm 2 / g 553 parts by weight, sodium metasilicate 9hydrate 387 parts by weight, pulp as a fiber 10 parts by weight, and kaolin 20 parts by weight as an inorganic filler compounded The product was dry blended (dry kneading) with a Hobart type mixer (manufactured by Maruto).
- a composition comprising 620 parts by weight of granulated blast furnace slag powder having a specific surface area of 3500 cm 2 / g, 320 parts by weight of sodium metasilicate 9-hydrate, 10 parts by weight of pulp as a fiber, and 20 parts by weight of kaolin as an inorganic filler.
- the product was dry blended (dry kneading) with a Hobart type mixer (manufactured by Maruto).
- the cured product produced by the method for producing a cured product of the present invention is excellent in heat resistance, water resistance, performance such as appearance quality and strength, and is environmentally friendly material containing no harmful substances. Consists of Therefore, it is suitably used for shooting targets, building materials, and the like.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003150398A JP2006225165A (ja) | 2003-05-28 | 2003-05-28 | 硬化組成物及び硬化体の製造方法 |
JP2003-150398 | 2003-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004106259A1 true WO2004106259A1 (ja) | 2004-12-09 |
Family
ID=33487180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/007260 WO2004106259A1 (ja) | 2003-05-28 | 2004-05-27 | 硬化体及び硬化体の製造方法 |
Country Status (2)
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JP (1) | JP2006225165A (ja) |
WO (1) | WO2004106259A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101870138A (zh) * | 2010-06-12 | 2010-10-27 | 王�琦 | 利用矿山尾矿渣制造建筑板材的制备方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6942582B2 (ja) * | 2017-09-22 | 2021-09-29 | 株式会社東芝 | ジオポリマー成型体の製造方法、および、ジオポリマー成型体製造システム |
KR102140827B1 (ko) * | 2018-11-22 | 2020-08-04 | 전남대학교산학협력단 | 고로슬래그기반 무시멘트 결합재의 고온양생전용 분말형 알칼리활성화제, 상기 알칼리활성화제를 포함하는 고온양생전용 고로슬래그기반 무시멘트 결합재, 상기 결합재를 포함하는 콘크리트조성물 및 콘크리트 2차 제품 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4509985A (en) * | 1984-02-22 | 1985-04-09 | Pyrament Inc. | Early high-strength mineral polymer |
JPH0397648A (ja) * | 1989-09-08 | 1991-04-23 | Fuji Funen Kenzai Kogyo Kk | 製紙スラッジ含有硬化体の製造方法 |
JP2000053458A (ja) * | 1998-08-04 | 2000-02-22 | Taiheiyo Cement Corp | 耐酸性ボックスカルバート及びその製造方法 |
-
2003
- 2003-05-28 JP JP2003150398A patent/JP2006225165A/ja active Pending
-
2004
- 2004-05-27 WO PCT/JP2004/007260 patent/WO2004106259A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4509985A (en) * | 1984-02-22 | 1985-04-09 | Pyrament Inc. | Early high-strength mineral polymer |
JPH0397648A (ja) * | 1989-09-08 | 1991-04-23 | Fuji Funen Kenzai Kogyo Kk | 製紙スラッジ含有硬化体の製造方法 |
JP2000053458A (ja) * | 1998-08-04 | 2000-02-22 | Taiheiyo Cement Corp | 耐酸性ボックスカルバート及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101870138A (zh) * | 2010-06-12 | 2010-10-27 | 王�琦 | 利用矿山尾矿渣制造建筑板材的制备方法 |
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JP2006225165A (ja) | 2006-08-31 |
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