JP3734106B2 - Cement joint material - Google Patents
Cement joint material Download PDFInfo
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- JP3734106B2 JP3734106B2 JP6787296A JP6787296A JP3734106B2 JP 3734106 B2 JP3734106 B2 JP 3734106B2 JP 6787296 A JP6787296 A JP 6787296A JP 6787296 A JP6787296 A JP 6787296A JP 3734106 B2 JP3734106 B2 JP 3734106B2
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- Prior art keywords
- cement
- joint material
- based joint
- material according
- antibacterial
- Prior art date
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- 239000000463 material Substances 0.000 title claims description 46
- 239000004568 cement Substances 0.000 title claims description 39
- 239000003429 antifungal agent Substances 0.000 claims description 18
- 229940121375 antifungal agent Drugs 0.000 claims description 18
- 239000003242 anti bacterial agent Substances 0.000 claims description 17
- 230000000844 anti-bacterial effect Effects 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- PXMNMQRDXWABCY-UHFFFAOYSA-N 1-(4-chlorophenyl)-4,4-dimethyl-3-(1H-1,2,4-triazol-1-ylmethyl)pentan-3-ol Chemical compound C1=NC=NN1CC(O)(C(C)(C)C)CCC1=CC=C(Cl)C=C1 PXMNMQRDXWABCY-UHFFFAOYSA-N 0.000 claims description 3
- 239000005839 Tebuconazole Substances 0.000 claims description 3
- WPZSJJJTNREFSV-UHFFFAOYSA-N [Zn].[O-][N+]1=CC=CC=C1S Chemical compound [Zn].[O-][N+]1=CC=CC=C1S WPZSJJJTNREFSV-UHFFFAOYSA-N 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims 3
- 230000000843 anti-fungal effect Effects 0.000 description 7
- 239000011398 Portland cement Substances 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 238000004383 yellowing Methods 0.000 description 3
- VCRZAKVGPJFABU-UHFFFAOYSA-N 10-phenoxarsinin-10-yloxyphenoxarsinine Chemical compound C12=CC=CC=C2OC2=CC=CC=C2[As]1O[As]1C2=CC=CC=C2OC2=CC=CC=C21 VCRZAKVGPJFABU-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEFQLINVKFYRCS-UHFFFAOYSA-N Triclosan Chemical compound OC1=CC(Cl)=CC=C1OC1=CC=C(Cl)C=C1Cl XEFQLINVKFYRCS-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SQRDRPSVGROPHX-UHFFFAOYSA-N 2,3,3-triiodoprop-2-en-1-ol Chemical compound OCC(I)=C(I)I SQRDRPSVGROPHX-UHFFFAOYSA-N 0.000 description 1
- 229920001817 Agar Polymers 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 210000000624 ear auricle Anatomy 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000002538 fungal effect Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 239000001965 potato dextrose agar Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Sealing Material Composition (AREA)
Description
【０００１】
【発明の背景】
発明の分野
本発明は、セメント系目地材に関し、詳しくは抗菌防黴性を付与したタイル目地用セメント系目地材に関する。
【０００２】
背景技術
タイルとタイルの間に設けられる空隙（いわゆる目地部）に充填される目地材としては、一般にポルトランドセメントを結合材とし、骨材として珪砂、炭酸カルシウムなどを含むセメント系目地材が使用されている。
【０００３】
このようなセメント系目地材は、ポルトランドセメントの水和反応によって、硬化するが、この水和反応時に多量の気孔を生成し、その気孔部分に種々の介在物を堆積しやすい。この介在物が無機物の場合は、洗剤などを用いた洗浄によって比較的容易に除去することができるが、有機物の場合は、大気中に由来するカビや病原菌の栄養源となるため、目地部を頻繁に洗浄しない限りこれらの菌類が繁殖し、繁殖後の除去が困難となっている。
【０００４】
このような菌類の繁殖を防ぐために、従来から目地材の成分として抗菌剤や防黴剤を添加することが試みられている。しかしながら、ポルトランドセメントは、水和反応時に水酸化カルシウムを溶出しｐＨ１２〜１３の高アルカリ状態になるため、抗菌剤や防黴剤の大半は分解し、効力が著しく低下してしまい、十分な抗菌防黴効果は得られていない。
【０００５】
これらの状況を検討して開発された防黴剤としては特願平３−１０２７９２号に示される２，３，３−トリヨードアリルアルコール等が知られているが、目地材に用いた場合、抗菌防黴剤としての効力は維持するが、基材との反応や紫外線によって分解し、場合によってヨード臭を発生したり黄変することがあった。このため、目地詰め作業及び意匠性において、目地材への適用は難しかった。
【０００６】
基材自体を中性化し、抗菌剤と防黴剤を広範に使用できるようにした目地材としては、本発明者らによる特願平５−１６５３６６号に示される石膏とアクリルエマルジョンを使用した目地材がある。この目地材と、特に限定されない幾つかの抗菌剤と防黴剤を使用することで、優れた抗菌防黴性を発揮し、ヨード臭、黄変などの不具合もないことが確かめられている。ただし、粘性が高いため付着性が強く、目地詰め作業に時間がかかり、また、価格においても高価であり、従来のセメント系目地材に比較して劣っていた。
【０００７】
【発明の概要】
本発明者らは、今般、このようなセメント系目地材において、アルミナセメントを結合材とし、特定の抗菌剤または防黴剤を含有させることで、好適なセメント系目地材が提供できる、とりわけ抗菌剤または防黴剤としての効力が持続し、異臭、黄変などの不具合もなく、安価なセメント系目地材を提供できるとの知見を得た。本発明はかかる知見に基づくものである。
【０００８】
従って、本発明は、抗菌防黴性の付与された好適なセメント系目地材の提供をその目的としている。
【０００９】
そして、本発明は、
テブコナゾール、２−ピリジンチオール−１−オキサイド亜鉛、２，４，４’−トリクロロ−２’−ヒドロオキシジフェニルエーテルおよび１０−１０’オキシビスフェノキシアルシンからなる群から選ばれる、一種以上の抗菌剤または防黴剤と、アルミナセメントとを含んでなる、セメント系目地材である。
【００１０】
【発明の具体的説明】
抗菌剤および防黴剤
本発明において用いられる抗菌剤または防黴剤は、 テブコナゾール、２−ピリジンチオール−１−オキサイド亜鉛、２，４，４’−トリクロロ−２’−ヒドロオキシジフェニルエーテルおよび１０−１０’オキシビスフェノキシアルシンから選ばれる。
【００１１】
これらの、抗菌剤および防黴剤の合計量は、セメント系目地材全体に対して０．０１〜５．０重量％程度とするのが好ましく、より好ましくは０．１〜１．０重量％程度である。
【００１２】
アルミナセメント
本発明において用いるアルミナセメントは、水和反応の過程において、析出相の大半が水酸化アルミニウムであるため、呈するｐＨが１０〜１１であり、ポルトランドセメントよりもｐＨが低いので、抗菌剤および防黴剤の分解を低減する。したがって、一般の抗菌剤または防黴剤を用いた場合は、分解される量に相当する量を追加して用いれば分解しない場合と同程度の防菌防黴効果は得ることができる。しかし、本発明においては、上記特定の抗菌剤または防黴剤と組み合わされることで特に意外にも実質的に分解される量を考慮しなくてもよい。すなわち、抗菌剤または防黴剤を増量することなしに十分な抗菌防黴効果を得ることができるといった顕著な効果を発現する。これにより、高価な抗菌剤または防黴剤の使用量を大きく減らすことができ、このことはコストダウンの観点からも顕著な効果である。また、作業性もよく、品質においても変色等もなく、意匠性にも優れている。
【００１３】
アルミナセメントとしては、アルミン酸カルシウムを主成分とする一般的なものを使用でき、特に制限はされない。
【００１４】
アルミナセメントの含有量は、目地基材の強度維持のため、セメント系目地材全体に対して２０重量％以上とするのが好ましく、より好ましくは３０〜５０重量％程度である。
【００１５】
骨材
本発明のセメント系目地材には骨材を用いることができる。骨材としては、一般的に目地材に配合されるものであれば特に制限されないが、例えば、珪砂、水酸化アルミニウム、炭酸カルシウムなどがあげられる。
【００１６】
骨材の含有量は、セメント系目地材全体に対して７０重量％以下とするのが好ましく、より好ましくは５０〜７０重量％程度である。
【００１７】
添加剤
本発明のセメント系目地材には、通常のセメント系目地材に用いる添加剤を用いることができる。このようなものとしては、例えば混和剤、防水剤、顔料、保水剤、硬化調整剤（硬化促進剤、凝結遅延剤）などがあげられる。
【００１８】
このような添加剤の含有量としては、セメント系目地材全体に対して１０重量％以下とするのが好ましく、より好ましくは１．０〜３．０重量％程度である。
【００１９】
【実施例】
以下本発明を以下の実施例によって詳細に説明するが、本発明はこれらに限定されるものではない。
【００２０】
本発明のセメント系目地材の試料調製は次のように行った。まず、第１表中の調合比により混合した目地材に水を添加し、練り、耳たぶ程度の硬さとした後、２．５ｃｍ角、２ｍｍの厚さに成形し試験片とした。これらの試験片を炭酸ガスインキュベーターに１４８時間保存し、ｐＨ値を７．０〜８．９に調整した。これらの試験片を直径９０ｍｍのシャーレの中央に置き、ポテトデキストロース寒天培地２５ｍｌを加えて固化させた。固化した寒天培地上に各試験菌の胞子懸濁液（１．０×１０6 個／ｍｌ）０．１ｍｌを塗布し、２８℃において７日間インキュベートを行った。７日後に菌株の生育が抑えられる程度を評価した。
【００２１】
本発明のセメント系目地材と比較例のセメント系目地材の抗菌防黴性の実験結果は、第１表に示される通りであった。
【００２２】
【表１】
BACKGROUND OF THE INVENTION
FIELD OF THE INVENTION The present invention relates to a cement joint material, and more particularly to a tile joint cement joint material having antibacterial and antifungal properties.
[0002]
BACKGROUND ART As a joint material filled in a gap (so-called joint part) provided between tiles, generally, a Portland cement is used as a binder, and a cement joint joint containing silica sand, calcium carbonate, etc. as an aggregate. The material is used.
[0003]
Such a cement-based joint material is hardened by the hydration reaction of Portland cement. However, a large amount of pores are generated during the hydration reaction, and various inclusions are easily deposited in the pores. If this inclusion is an inorganic substance, it can be removed relatively easily by washing with a detergent or the like, but if it is an organic substance, it serves as a nutrient source for mold and pathogens derived from the atmosphere. Unless they are washed frequently, these fungi grow and are difficult to remove after propagation.
[0004]
In order to prevent such fungal growth, it has been attempted to add antibacterial agents and antifungal agents as ingredients of joint materials. However, since Portland cement elutes calcium hydroxide during the hydration reaction and becomes a highly alkaline state having a pH of 12 to 13, most of the antibacterial agents and antifungal agents are decomposed and the effectiveness is remarkably reduced, so that sufficient antibacterial properties are obtained. No antifungal effect has been obtained.
[0005]
2,3,3-triiodoallyl alcohol shown in Japanese Patent Application No. 3-102792 is known as an antifungal agent developed by examining these situations, but when used as a joint material, Although the efficacy as an antibacterial and antifungal agent is maintained, it may be decomposed by reaction with the base material or by ultraviolet rays, and an iodine odor or yellowing may occur in some cases. For this reason, application to joint materials has been difficult in joint filling work and design properties.
[0006]
As a joint material in which the base material itself is neutralized and an antibacterial agent and an antifungal agent can be widely used, joints using gypsum and acrylic emulsion shown in Japanese Patent Application No. 5-165366 by the present inventors are used. There is material. By using this joint material and some antibacterial and antifungal agents that are not particularly limited, it has been confirmed that excellent antibacterial and antifungal properties are exhibited and there are no problems such as iodine odor and yellowing. However, since the viscosity is high, the adhesion is strong, the time for filling the joint is long, and the price is expensive, which is inferior to the conventional cement-based joint material.
[0007]
SUMMARY OF THE INVENTION
The present inventors can provide a suitable cement-based joint material by using alumina cement as a binder and including a specific anti-bacterial agent or anti-fungal agent in such a cement-based joint material. It was found that the effectiveness as an agent or an antifungal agent can be maintained, and there can be provided an inexpensive cement-based joint material without problems such as a strange odor and yellowing. The present invention is based on such knowledge.
[0008]
Accordingly, an object of the present invention is to provide a suitable cement joint material having antibacterial and antifungal properties.
[0009]
And this invention,
One or more antibacterial or antibacterial agents selected from the group consisting of tebuconazole, 2-pyridinethiol-1-oxide zinc, 2,4,4′-trichloro-2′-hydroxydiphenyl ether and 10-10′oxybisphenoxyarsine A cement-based joint material comprising a glaze and alumina cement.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Antibacterial agent and antifungal agent The antibacterial agent or antifungal agent used in the present invention is tebuconazole, 2-pyridinethiol-1-oxide zinc, 2,4,4′-trichloro-2′-hydroxydiphenyl ether. And 10-10 ′ oxybisphenoxyarsine.
[0011]
The total amount of the antibacterial agent and the antifungal agent is preferably about 0.01 to 5.0% by weight, more preferably 0.1 to 1.0% by weight, based on the entire cement-based joint material. Degree.
[0012]
Alumina cement The alumina cement used in the present invention has a pH of 10 to 11 and is lower than Portland cement because most of the precipitated phase is aluminum hydroxide during the hydration reaction. Reduce the degradation of antibacterial and antifungal agents. Therefore, when a general antibacterial agent or antifungal agent is used, the same antibacterial / antifungal effect can be obtained as long as it is not decomposed by adding an amount corresponding to the amount to be decomposed. However, in the present invention, it is not necessary to consider an amount that is substantially surprisingly decomposed in combination with the specific antibacterial agent or antifungal agent. That is, a significant effect is exhibited that a sufficient antibacterial / antifungal effect can be obtained without increasing the amount of the antibacterial or antifungal agent. Thereby, the usage-amount of an expensive antibacterial agent or an antifungal agent can be reduced significantly, and this is a remarkable effect also from a viewpoint of cost reduction. In addition, the workability is good, the quality is not discolored, and the design is excellent.
[0013]
As an alumina cement, a general thing which has calcium aluminate as a main component can be used, and there is no restriction in particular.
[0014]
In order to maintain the strength of the joint base material, the content of the alumina cement is preferably 20% by weight or more, more preferably about 30 to 50% by weight with respect to the entire cement-based joint material.
[0015]
Aggregate Aggregate can be used for the cement joint material of the present invention. The aggregate is not particularly limited as long as it is generally blended with the joint material, and examples thereof include silica sand, aluminum hydroxide, and calcium carbonate.
[0016]
The aggregate content is preferably 70% by weight or less, more preferably about 50 to 70% by weight, based on the entire cement-based joint material.
[0017]
Additives For the cement-based joint material of the present invention, additives used for ordinary cement-based joint materials can be used. Examples of such a material include admixtures, waterproofing agents, pigments, water retention agents, curing modifiers (curing accelerators, setting retarders) and the like.
[0018]
The content of such additives is preferably 10% by weight or less, more preferably about 1.0 to 3.0% by weight, based on the entire cement-based joint material.
[0019]
【Example】
Hereinafter, the present invention will be described in detail with reference to the following examples, but the present invention is not limited thereto.
[0020]
Sample preparation of the cement joint material of the present invention was performed as follows. First, water was added to the joint material mixed according to the blending ratio in Table 1 and kneaded to make it hard enough to be an earlobe, then formed into a 2.5 cm square and a thickness of 2 mm to obtain a test piece. These test pieces were stored in a carbon dioxide incubator for 148 hours, and the pH value was adjusted to 7.0 to 8.9. These test pieces were placed in the center of a petri dish having a diameter of 90 mm, and 25 ml of potato dextrose agar medium was added and solidified. On the solidified agar medium, 0.1 ml of a spore suspension (1.0 × 10 6 cells / ml) of each test bacterium was applied and incubated at 28 ° C. for 7 days. The degree to which the growth of the strain was suppressed after 7 days was evaluated.
[0021]
The experimental results of the antibacterial and antifungal properties of the cement joint material of the present invention and the cement joint material of the comparative example are as shown in Table 1.
[0022]
[Table 1]
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6787296A JP3734106B2 (en) | 1996-03-25 | 1996-03-25 | Cement joint material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6787296A JP3734106B2 (en) | 1996-03-25 | 1996-03-25 | Cement joint material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09255400A JPH09255400A (en) | 1997-09-30 |
| JP3734106B2 true JP3734106B2 (en) | 2006-01-11 |
Family
ID=13357456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6787296A Expired - Lifetime JP3734106B2 (en) | 1996-03-25 | 1996-03-25 | Cement joint material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3734106B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4968870B2 (en) * | 2001-09-27 | 2012-07-04 | 住化エンビロサイエンス株式会社 | Industrial antibacterial composition and antibacterial method |
| KR100495043B1 (en) * | 2002-07-16 | 2005-06-10 | 영 화 김 | The composition for the joint of cement |
| US7056582B2 (en) * | 2003-04-17 | 2006-06-06 | Usg Interiors, Inc. | Mold resistant acoustical panel |
| EP1685077B1 (en) * | 2003-11-17 | 2013-06-05 | Microban Products Company | Method of making cementitious slab products having antimicrobial properties |
| DE102004056362A1 (en) | 2004-11-22 | 2006-06-01 | Henkel Kgaa | Mold-resistant building materials |
-
1996
- 1996-03-25 JP JP6787296A patent/JP3734106B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09255400A (en) | 1997-09-30 |
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