JPH07144944A - Hydraulic inorganic material - Google Patents
Hydraulic inorganic materialInfo
- Publication number
- JPH07144944A JPH07144944A JP29227493A JP29227493A JPH07144944A JP H07144944 A JPH07144944 A JP H07144944A JP 29227493 A JP29227493 A JP 29227493A JP 29227493 A JP29227493 A JP 29227493A JP H07144944 A JPH07144944 A JP H07144944A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- cao
- cement
- hydraulic
- inorganic material
- 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.)
- Withdrawn
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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
- C04B18/167—Recycled materials, i.e. waste materials reused in the production of the same 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
-
- 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
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、外壁材や瓦材等のセメ
ント系無機質板の廃材等を再利用することができる水硬
性無機質材料に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hydraulic inorganic material capable of reusing waste materials of cement-based inorganic boards such as outer wall materials and roof tile materials.
【０００２】[0002]
【従来の技術】従来、外壁材や瓦材等のセメント系無機
質板及びこれらの製造時に発生する端材や切削屑等の廃
材は、上記無機質板の材料の一部としてリサイクル使用
することは、一般に行われている。2. Description of the Related Art Conventionally, cement-based inorganic plates such as outer wall materials and roof tiles, and waste materials such as scraps and cuttings generated during the production of these materials are never recycled as a part of the materials for the inorganic plates. It is generally done.
【０００３】しかし、施工現場で発生する端材等の廃材
は、回収が困難であり、回収しても外壁材や瓦材等のセ
メント系無機質板の材料としてのリサイクル使用に限度
があるため、埋め立て処理されることが多く、しかも、
最近では埋め立て地が確保できない状況になってきてお
り、加えて地球環境の保全面でも問題になっている。However, it is difficult to collect waste materials such as scrap materials generated at construction sites, and even if they are recovered, there is a limit to the recycling use as materials for cement-based inorganic boards such as outer wall materials and roof tile materials. Often landfilled, and
Recently, the landfill site has become unsecured, and in addition, there is a problem in terms of conservation of the global environment.
【０００４】[0004]
【発明が解決しようとする課題】本発明は上記の事実に
鑑みてなされたもので、その目的とするところは、外壁
材や瓦材等のセメント系無機質板の廃材等の使用を条件
とした水硬性無機質材料を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above facts, and its object is to use waste materials such as outer wall materials and roof tile materials for cement-based inorganic boards. It is to provide a hydraulic inorganic material.
【０００５】[0005]
【課題を解決するための手段】本発明に係る水硬性無機
質材料は、セメントの有効成分であるＣａＯ、ＳｉＯ 2
及びＡｌ2 Ｏ3 を含有した無機質板の粉砕物並びにＣａ
Ｏを主成分とする石灰石、ＳｉＯ2 を主成分とするケイ
石及びＡｌ2 Ｏ3 を主成分とするボーキサイトの粉砕物
の焼成品の粉砕品を含有し、これら主成分の全量に対し
て、ＣａＯを６０〜６７重量％、ＳｉＯ2 を１７〜２５
重量％及びＡｌ2 Ｏ3 を３〜８重量％含有しすることを
特徴とすることを特徴とする。[Means for Solving the Problems] A hydraulic inorganic material according to the present invention.
The quality materials are CaO, SiO, which are the active ingredients of cement. 2
And Al2O3Crushed inorganic plate and Ca
Limestone containing O as a main component, SiO2Kay whose main component is
Stone and Al2O3Bauxite crushed product containing
It contains crushed products of
60 to 67% by weight of CaO, SiO217 to 25
Wt% and Al2O3Content of 3 to 8% by weight
It is characterized by being characterized.
【０００６】[0006]
【作用】本発明の水硬性無機質材料は、セメントの有効
成分であるＣａＯ、ＳｉＯ2 及びＡｌ2 Ｏ3 を含有した
無機質板の粉砕物並びにＣａＯを主成分とする石灰石、
ＳｉＯ2 を主成分とするケイ石及びＡｌ2 Ｏ3 を主成分
とするボーキサイトの粉砕物の焼成品の粉砕品を含有
し、これら主成分の全量に対して、ＣａＯを６０〜６７
重量％、ＳｉＯ2 を１７〜２５重量％及びＡｌ2 Ｏ3 を
３〜８重量％含有ししているため、水硬性を有する。The hydraulic inorganic material of the present invention is a pulverized product of an inorganic plate containing CaO, SiO 2 and Al 2 O 3 which are the active ingredients of cement, and limestone containing CaO as a main component.
It contains a crushed product of a calcinated product of silica stone containing SiO 2 as a main component and bauxite containing Al 2 O 3 as a main component, and CaO of 60 to 67 with respect to the total amount of these main components.
Since it contains wt%, 17 to 25 wt% of SiO 2 and 3 to 8 wt% of Al 2 O 3 , it has hydraulic properties.
【０００７】以下、本発明を詳述する。本発明の水硬性
無機質材料は、無機質板の粉砕物を含有する。この無機
質板は、セメント系に限られ、したがってセメントの有
効成分であるＣａＯ、ＳｉＯ2及びＡｌ2 Ｏ3 を含有す
る。The present invention will be described in detail below. The hydraulic inorganic material of the present invention contains a pulverized product of an inorganic plate. This mineral board is cement-based and therefore contains the active ingredients of cement, CaO, SiO 2 and Al 2 O 3 .
【０００８】無機質板の一例を示すと例えば、ポルトラ
ンドセメント、スラグ、フライアッシュ、ケイ石粉及び
ケイ砂等を原料とし、水和硬化させて得られた外壁用ボ
ードまたは瓦等を挙げることができ、製造時及び施工時
に発生する端材や切削屑等の廃材が適用できる。An example of the inorganic plate is, for example, an outer wall board or roof tile obtained by hydration hardening using Portland cement, slag, fly ash, silica stone powder, silica sand, etc. as raw materials. Waste materials such as scraps and cuttings generated during manufacturing and construction can be applied.
【０００９】これらの廃材を用いて得られる粉砕物は、
カッターミル等の粗砕機で上記廃材等を粒径５〜１０ｍ
ｍ程度に粗砕した粗砕品をチューブミル及び振動ミル等
の粉砕機で１７０メッシュ（８８μｍ）以下に粉砕した
粉砕品が用いられる。The pulverized product obtained by using these waste materials is
The particle size of the above waste materials is 5-10m with a crusher such as a cutter mill.
A crushed product that is roughly crushed to about m and crushed to 170 mesh (88 μm) or less with a crusher such as a tube mill and a vibration mill is used.
【００１０】このように、セメント系の無機質板の粉砕
物は、当初持っていた水硬性を失い、固化力がない。こ
の粉砕物を固化するのにＣａＯを主成分とする石灰石、
ＳｉＯ2 を主成分とするケイ石及びＡｌ2 Ｏ3 を主成分
とするボーキサイトの水硬性を利用する。水硬性を与え
るためには、上記主成分の全量に対してＣａＯを６０〜
６７重量％、ＳｉＯ2 を１７〜２５重量％及びＡｌ2 Ｏ
3 を３〜８重量％含有した粉砕物をロータリーキルン等
の焼成装置で１５００℃程度で焼成する必要がある。As described above, the ground product of the cement-based inorganic plate loses its original hydraulic property and has no solidifying power. To solidify this crushed product, limestone containing CaO as the main component,
The hydraulic properties of silica stone containing SiO 2 as a main component and bauxite containing Al 2 O 3 as a main component are utilized. In order to give hydraulic property, CaO is added to 60 to the total amount of the above main components.
67% by weight, 17 to 25% by weight of SiO 2 and Al 2 O
It is necessary to calcine a pulverized product containing 3 to 8 wt% of 3 at about 1500 ° C. in a calcining device such as a rotary kiln.
【００１１】すなわち本発明の水硬性無機質材料は、次
のようにして得られる。まず、上記無機質板の粉砕物
に、ＣａＯを主成分とする石灰石、ＳｉＯ2 を主成分と
するケイ石及びＡｌ2 Ｏ3 を主成分とするボーキサイト
の１７０メッシュ（８８μｍ）以下の粉砕物を添加調整
する。次にこれらをリボンブレンダー等の混合機により
混合して、ロータリーキルン等の焼成機により１５００
℃程度で焼成後、冷却することによりクリンカーを得
る。そして、このクリンカーをチューブミル及び振動ミ
ル等の粉砕機で１７０メッシュ（８８μｍ）以下に粉砕
することにより水硬性無機質材料が得られる。That is, the hydraulic inorganic material of the present invention is obtained as follows. First, to the pulverized product of the above-mentioned inorganic plate, limestone containing CaO as a main component, silica stone containing SiO 2 as a main component, and bauxite containing Al 2 O 3 as a main component of 170 mesh (88 μm) or less was added. adjust. Next, these are mixed with a mixer such as a ribbon blender, and then 1500 with a baking machine such as a rotary kiln.
A clinker is obtained by cooling after baking at about ° C. Then, the clinker is pulverized with a pulverizer such as a tube mill and a vibration mill to 170 mesh (88 μm) or less to obtain a hydraulic inorganic material.
【００１２】なお、水硬性無機質材料の粉砕品の粒度と
して好ましくは、２００メッシュ（７４μｍ）以下がよ
い。The particle size of the crushed product of the hydraulic inorganic material is preferably 200 mesh (74 μm) or less.
【００１３】[0013]
【実施例】以下、本発明を実施例によって詳述する。EXAMPLES The present invention will be described in detail below with reference to examples.
【００１４】水硬性無機質材料としての良否の判断は、
ＪＩＳ Ｒ ５２１０のポルトランドセメントの品質規
格の圧縮強さ及び凝結の規格を基準とした。すなわち、
２８日の圧縮強さが３００ｋｇ／ｃｍ2 以上並びに凝結
で始発が１時間以後及び終結が１０時間以内になる水硬
性無機質材料を合格とした。The judgment as to whether or not the material is a hydraulic inorganic material is as follows.
The standard of compressive strength and setting of the quality standard of Portland cement of JIS R 5210 was used as the standard. That is,
A hydraulic inorganic material having a compressive strength on the 28th of 300 kg / cm 2 or more and an initial starting time of 1 hour or less and a final setting time of 10 hours or less was set as a pass.
【００１５】（実施例１）セメント系の不燃外壁材の廃
材をカッターミルで粒径５〜１０ｍｍ程度の粗砕品に粗
砕した。(Example 1) A waste material of cement-based noncombustible outer wall material was crushed into a crushed product having a particle size of about 5 to 10 mm by a cutter mill.
【００１６】次に振動ミルで上記粗砕品を粉砕して１７
０メッシュ（８８μｍ）以下の無機質板の粉砕物を得
た。Next, the above-mentioned coarsely crushed product is crushed by a vibration mill to obtain 17
A pulverized product of an inorganic plate having a size of 0 mesh (88 μm) or less was obtained.
【００１７】この無機質板の粉砕物は、これら主成分の
全量に対して、ＣａＯを４１重量％、ＳｉＯ2 を２２重
量％及びＡｌ2 Ｏ3 を５重量％含有するものであった。The pulverized product of the inorganic plate contained 41% by weight of CaO, 22% by weight of SiO 2 and 5% by weight of Al 2 O 3 with respect to the total amount of these main components.
【００１８】上記無機質板の粉砕物１００重量部に、石
灰石の１７０メッシュ（８８μｍ）以下の粉砕物を６０
重量部、ケイ石の１７０メッシュ（８８μｍ）以下の粉
砕物を７重量部添加し、これらをリボンブレンダーによ
り混合して、ロータリーキルンで１５００℃で焼成後、
冷却してクリンカーを得た。To 100 parts by weight of the pulverized product of the above-mentioned inorganic plate, 60 pulverized products of limestone of 170 mesh (88 μm) or less were prepared.
Parts by weight, 7 parts by weight of crushed silica stone of 170 mesh (88 μm) or less are added, and these are mixed by a ribbon blender, and after firing at 1500 ° C. in a rotary kiln,
Cooled to give the clinker.
【００１９】そして、このクリンカーを振動ミルで１７
０メッシュ（８８μｍ）以下に粉砕して水硬性無機質材
料を得た。Then, this clinker is used with a vibrating mill 17
It was pulverized to 0 mesh (88 μm) or smaller to obtain a hydraulic inorganic material.
【００２０】この水硬性無機質材料は、これら主成分の
全量に対して、ＣａＯを６０重量％、ＳｉＯ2 を１７重
量％及びＡｌ2 Ｏ3 を３重量％含有しており、２８日の
圧縮強さが４２０ｋｇ／ｃｍ2 並びに凝結で始発が２時
間３０分及び終結が３時間４０分であった。 （実施例２）実施例１において、セメント系の不燃外壁
材の廃材の代わりに別のセメント系の不燃外壁材の廃材
を使用した。This hydraulic inorganic material contains 60% by weight of CaO, 17% by weight of SiO 2 and 3% by weight of Al 2 O 3 with respect to the total amount of these main components, and has a compressive strength of 28 days. Was 420 kg / cm 2 , and the initial setting was 2 hours and 30 minutes and the final setting was 3 hours and 40 minutes. (Example 2) In Example 1, another cement-based noncombustible outer wall material was used instead of the cement-based noncombustible outer wall material.
【００２１】この無機質板の粉砕物は、これら主成分の
全量に対して、ＣａＯを３１重量％、ＳｉＯ2 を３５重
量％及びＡｌ2 Ｏ3 を７重量％含有するものであった。The pulverized product of the inorganic plate contained 31% by weight of CaO, 35% by weight of SiO 2 and 7% by weight of Al 2 O 3 with respect to the total amount of these main components.
【００２２】上記無機質板の粉砕物１００重量部に、石
灰石の１７０メッシュ（８８μｍ）以下の粉砕物を８０
重量部添加し、焼成して水硬性無機質材料を得た。To 100 parts by weight of the crushed material of the above-mentioned inorganic plate, 80 crushed materials of limestone of 170 mesh (88 μm) or less
A part by weight was added and fired to obtain a hydraulic inorganic material.
【００２３】この水硬性無機質材料は、これら主成分の
全量に対して、ＣａＯを６２重量％、ＳｉＯ2 を１９重
量％及びＡｌ2 Ｏ3 を４重量％含有しており、２８日の
圧縮強さが４３０ｋｇ／ｃｍ2 並びに凝結で始発が２時
間２０分及び終結が３時間３０分であった。This hydraulic inorganic material contains 62% by weight of CaO, 19% by weight of SiO 2 and 4% by weight of Al 2 O 3 with respect to the total amount of these main components, and has a compression strength of 28 days. Was 430 kg / cm 2 , and the initial setting was 2 hours and 20 minutes and the final setting was 3 hours and 30 minutes.
【００２４】（実施例３）実施例１において、セメント
系の不燃外壁材の廃材の代わりにセメント系の瓦の廃材
を使用した。Example 3 In Example 1, a cement-based roof tile waste material was used in place of the cement-based non-combustible outer wall material waste material.
【００２５】この無機質板の粉砕物は、これら主成分の
全量に対して、ＣａＯを３６重量％、ＳｉＯ2 を５７重
量％及びＡｌ2 Ｏ3 を３重量％含有するものであった。The pulverized product of the inorganic plate contained 36% by weight of CaO, 57% by weight of SiO 2 and 3% by weight of Al 2 O 3 with respect to the total amount of these main components.
【００２６】上記無機質板の粉砕物１００重量部に、石
灰石の１７０メッシュ（８８μｍ）以下の粉砕物を１２
５重量部、ボーキサイトの１７０メッシュ（８８μｍ）
以下の粉砕物を１５重量部添加し、焼成して水硬性無機
質材料を得た。To 100 parts by weight of the pulverized product of the above-mentioned inorganic plate, 12 pulverized products of limestone of 170 mesh (88 μm) or less
5 parts by weight, bauxite 170 mesh (88 μm)
15 parts by weight of the following pulverized product was added and fired to obtain a hydraulic inorganic material.
【００２７】この水硬性無機質材料は、これら主成分の
全量に対して、ＣａＯを６７重量％、ＳｉＯ2 を２４重
量％及びＡｌ2 Ｏ3 を８重量％含有しており、２８日の
圧縮強さが４４０ｋｇ／ｃｍ2 並びに凝結で始発が２時
間１０分及び終結が３時間１０分であった。This hydraulic inorganic material contains 67% by weight of CaO, 24% by weight of SiO 2 and 8% by weight of Al 2 O 3 with respect to the total amount of these main components, and has a compression strength of 28 days. Was 440 kg / cm 2 and the initial setting was 2 hours 10 minutes and the final setting was 3 hours 10 minutes.
【００２８】実施例１〜実施例３のように本発明による
と、ポルトランドセメントの代表的な規格として圧縮強
さ及び凝結で評価した結果は、それぞれＪＩＳ Ｒ ５
２１０のポルトランドセメントの品質規格の２８日の圧
縮強さが３００ｋｇ／ｃｍ2以上並びに凝結で始発が１
時間以後及び終結が１０時間以内ということをいずれも
満足しているので、ポルトランドセメントと略同じ水硬
性無機質材料を得ることができ、この水硬性無機質材料
は、セメントとして使用することができた。According to the present invention as in Examples 1 to 3, the results evaluated by compressive strength and setting as typical standards of Portland cement are JIS R 5 respectively.
210 Portland cement quality standard 28 days compressive strength of 300kg / cm 2 or more and initial setting of 1 on setting
Since both the after-hours and the completion within 10 hours were satisfied, it was possible to obtain substantially the same hydraulic inorganic material as Portland cement, and this hydraulic inorganic material could be used as cement.
【００２９】すなわち本発明により、外壁材や瓦材等の
セメント系無機質板の廃材等を使用した水硬性無機質材
料を得ることができた。That is, according to the present invention, it is possible to obtain a hydraulic inorganic material using a waste material of a cement-based inorganic plate such as an outer wall material or a roof tile material.
【００３０】[0030]
【発明の効果】本発明の水硬性無機質材料によると、外
壁材や瓦材等のセメント系無機質板の廃材等を使用した
水硬性無機質材料を得ることができる。EFFECTS OF THE INVENTION According to the hydraulic inorganic material of the present invention, it is possible to obtain a hydraulic inorganic material using waste materials of cement-based inorganic plates such as outer wall materials and roof tile materials.
Claims (1)
Ｏ2 及びＡｌ2 Ｏ3を含有した無機質板の粉砕物並びに
ＣａＯを主成分とする石灰石、ＳｉＯ2 を主成分とする
ケイ石及びＡｌ2 Ｏ3 を主成分とするボーキサイトの粉
砕物の焼成品の粉砕品を含有し、これら主成分の全量に
対して、ＣａＯを６０〜６７重量％、ＳｉＯ2 を１７〜
２５重量％及びＡｌ2 Ｏ3 を３〜８重量％含有しするこ
とを特徴とする水硬性無機質材料。1. CaO, Si which is an active ingredient of cement.
A crushed product of an inorganic plate containing O 2 and Al 2 O 3 and a crushed product of limestone containing CaO as a main component, silica stone containing SiO 2 as a main component and bauxite containing Al 2 O 3 as a main component Crushed product of 60 to 67% by weight of CaO and 17 to 20% of SiO 2 with respect to the total amount of these main components.
A hydraulic inorganic material comprising 25% by weight and 3 to 8% by weight of Al 2 O 3 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29227493A JPH07144944A (en) | 1993-11-22 | 1993-11-22 | Hydraulic inorganic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29227493A JPH07144944A (en) | 1993-11-22 | 1993-11-22 | Hydraulic inorganic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07144944A true JPH07144944A (en) | 1995-06-06 |
Family
ID=17779635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29227493A Withdrawn JPH07144944A (en) | 1993-11-22 | 1993-11-22 | Hydraulic inorganic material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07144944A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1443028A1 (en) * | 2001-11-05 | 2004-08-04 | Sekisui Chemical Co., Ltd. | Alternative to portland cement, method for producing the same, hard wood chip cement board using the same and method for producing the board |
| CN107129279A (en) * | 2017-06-30 | 2017-09-05 | 四川锦泓佳建筑装饰工程有限公司 | A kind of antibacterial radiating ceramic tile |
-
1993
- 1993-11-22 JP JP29227493A patent/JPH07144944A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1443028A1 (en) * | 2001-11-05 | 2004-08-04 | Sekisui Chemical Co., Ltd. | Alternative to portland cement, method for producing the same, hard wood chip cement board using the same and method for producing the board |
| EP1443028A4 (en) * | 2001-11-05 | 2009-03-11 | Sekisui Chemical Co Ltd | Alternative to portland cement, method for producing the same, hard wood chip cement board using the same and method for producing the board |
| CN107129279A (en) * | 2017-06-30 | 2017-09-05 | 四川锦泓佳建筑装饰工程有限公司 | A kind of antibacterial radiating ceramic tile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20010130 |