JPH01138184A - Solidification of asbestos coated layer - Google Patents
Solidification of asbestos coated layerInfo
- Publication number
- JPH01138184A JPH01138184A JP29634887A JP29634887A JPH01138184A JP H01138184 A JPH01138184 A JP H01138184A JP 29634887 A JP29634887 A JP 29634887A JP 29634887 A JP29634887 A JP 29634887A JP H01138184 A JPH01138184 A JP H01138184A
- Authority
- JP
- Japan
- Prior art keywords
- asbestos
- water
- coated layer
- layer containing
- soluble
- 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.)
- Granted
Links
- 239000010425 asbestos Substances 0.000 title claims abstract description 26
- 229910052895 riebeckite Inorganic materials 0.000 title claims abstract description 26
- 238000007711 solidification Methods 0.000 title description 2
- 230000008023 solidification Effects 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000243 solution Substances 0.000 claims abstract description 12
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000839 emulsion Substances 0.000 claims abstract description 6
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 5
- 239000000057 synthetic resin Substances 0.000 claims abstract description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 3
- 150000001340 alkali metals Chemical group 0.000 claims abstract description 3
- 238000010521 absorption reaction Methods 0.000 claims abstract 2
- 238000009413 insulation Methods 0.000 claims abstract 2
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000011247 coating layer Substances 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000004079 fireproofing Methods 0.000 claims 1
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 230000009970 fire resistant effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000003973 paint Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- 101150083678 IL2 gene Proteins 0.000 description 1
- 239000004111 Potassium silicate Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 229910052913 potassium silicate Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Aftertreatments Of Artificial And Natural Stones (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は、石綿を含む材料により建築物の壁。[Detailed description of the invention] (Industrial application field) This invention applies to walls of buildings made of materials containing asbestos.
天井を被覆しである個所に対し、その石綿繊維の飛散防
止を計る技術に関する。This article relates to a technology for preventing scattering of asbestos fibers in certain areas covered with ceilings.
（従来の１支惇ｊ） 従来、石綿を含む被覆材が、耐火、断熱、吸音。(Conventional 1 branch) Traditionally, covering materials containing asbestos have been fireproof, heat-insulating, and sound-absorbing.
吸湿を目的として施工されていた。しかし、この石綿の
持つ発ガン性により、その使用はもとより既に施工され
た個所を如何に処理するかが問題になっている。It was constructed for the purpose of absorbing moisture. However, due to the carcinogenic properties of asbestos, there are problems not only in its use but also in how to dispose of areas where asbestos has already been constructed.
処理方法を大別すると同化方法と除去方法に分かれるが
、本発明では同化方、法に関するものである。従来にお
ける固化方法は、未だ確立されたものはな（、商品とし
て、仏国のセルピー社より市販されている１サービ７レ
ノクス］を知る程度である。このセルピー社の方法は、
ベースＦ状ビニルアクリル４３１１１ｆｆを石綿被覆部
に塗布して固化しようとするものである。Processing methods can be roughly divided into assimilation methods and removal methods, and the present invention relates to assimilation methods and removal methods. As for the conventional solidification method, the only known one is 1 Service 7 Lennox, which is commercially available from Selpy in France.This method by Selpy is as follows:
The base F-shaped vinyl acrylic 43111ff is applied to the asbestos-covered part and then solidified.
（発明が解決しようとする問題点）
一般に石綿を含んだ被覆層は、壁、天井面に対して露出
した状態で施工されていた。また、その厚みは通常２５
ＩＩＩＩ１１以」二と厚く、その接着力ら弱いものであ
った。(Problems to be Solved by the Invention) Generally, a coating layer containing asbestos is applied to walls and ceilings in an exposed state. Also, its thickness is usually 25
It was thicker than III11 and its adhesive strength was weak.
従来の同化方法では、表面からの含とに頼るもので、深
部の下地まで浸透が達しない場会には剥落の危険がある
ものであった。また、石綿被覆層の目的が耐火である場
合、有機質のアクリル樹Ｓを使用した場合、耐火性能が
劣化することは避けられなかった。Conventional assimilation methods rely on infiltration from the surface, and there is a risk of flaking if penetration does not reach the deep substrate. Moreover, when the purpose of the asbestos coating layer is fire resistance, when organic acrylic tree S is used, it is inevitable that the fire resistance performance will deteriorate.
（口 的２．）
この発゛明では、石綿被覆層を深部から確実に固化させ
る方法番提（Ｊｌｉするとともに、火災時においても耐
火性１１Ｂの維持できる方法を提供することにある。(Objective 2.) The purpose of this invention is to provide a method for reliably solidifying an asbestos coating layer from deep inside, and also to provide a method that can maintain fire resistance 11B even in the event of a fire.
（問題点を解決するための手段）
上記の目的を達成する為に、硬化液として一般式Ｍ ２
Ｏ−ｘＳ １０２ ” ａＱ （式中Ｍは周期律表ｆｆ
５ＩＡ族に属するアルカリ金属を表わし、Ｘは２．０〜
４゜５の正数、ａｑは水溶液を示す、）で表わされる水
溶性珪酸塩溶液と合成樹脂エマルションおよび／または
水溶性樹脂を主成分とする組成物を用意し、この硬化液
を１〜１００個所／ ｍ２の割合で５〜５０ｃｃ／個所
注入硬化させ、かつ、表層にもこの硬化液を塗布し固化
させるようにしている。(Means for solving the problem) In order to achieve the above purpose, as a curing liquid, the general formula M2
O-xS 102 ” aQ (where M is the periodic table ff
Represents an alkali metal belonging to Group 5IA, and X is 2.0 to
A composition whose main components are a water-soluble silicate solution represented by a positive number of 4°5 (aq indicates an aqueous solution), a synthetic resin emulsion, and/or a water-soluble resin is prepared, and this hardening liquid is The resin is injected and cured at a rate of 5 to 50 cc/m2, and the curing liquid is also applied to the surface layer and hardened.
硬化液自体としては、出願人が先に出願した特開昭６１
−２３８８６０に示される組成物のうち、水溶性珪酸塩
の水溶液（Ａ）と合成樹脂エマルション（Ｂ）または／
および水溶性乙１脂（Ｂ）の組成比率が固形分比で（Ａ
）： （Ｂ）＝１０： １〜１ ： １にあるものが良
い。As for the curing liquid itself, the applicant previously applied for Japanese Patent Application Laid-Open No. 61
-238860, an aqueous solution of water-soluble silicate (A) and a synthetic resin emulsion (B) or/
And the composition ratio of water-soluble Otsu 1 fat (B) is the solid content ratio (A
): (B)=10:1 to 1:1 is better.
注入は、注射針状または先端が錐状で周面にノズル孔を
有する噴射管とタンクからの硬化液をポンプを介して圧
送するだめの接続ホースを有する注入装置により、噴射
管を石綿層のＱ深部まで１ＩＴｉ人することにより行わ
れる。この注入装置には、１個所当たりの硬化液の注入
量を規定できるｌ；！１構、ないし、噴射管の根元（接
続ホース側）には天井面を施工する際の滴受け、注入量
を確認する流量計を付属させであるのが良い。噴射管の
径は、１〜３！−ｍにあるのが注入の容易さ、注入後の
仕上り等の点から良い。この径がＩＩ以下では硬化液の
通りも悪く、作業能率も悪くなる。また、３＋ｎ＋ａ以
上では挿入抵抗が大きくなり、挿入跡が残ってしまう。Injection is carried out using an injection device that has an injection tube with a needle-shaped or conical tip and a nozzle hole on the circumference, and a connection hose that pumps the hardening liquid from the tank to the asbestos layer. It is performed by moving 1ITi to the Q depth. This injection device allows you to specify the amount of curing liquid to be injected per location. It is best to attach a drip pan or a flow meter to the base of the injection pipe (connection hose side) to check the injection amount when constructing the ceiling surface. The diameter of the injection pipe is 1 to 3! -m is better in terms of ease of injection, finish after injection, etc. If this diameter is less than II, the passage of the hardening liquid will be difficult and the working efficiency will be poor. Moreover, if it is 3+n+a or more, the insertion resistance becomes large and an insertion mark remains.
一方、注入同化と別に表面に硬化？（ｉを塗布するが塗
装方法としてはエアレススプレー、刷毛、ローラーによ
り行われる。中でも飛散の少ないエアレススプレーによ
る方法が望ましい、塗布量は０゜３〜３ 、 Ｏｋｇ／
ｐ’塗り付けることにより表層部を固化することがで
きる。On the other hand, hardening on the surface apart from injection assimilation? (The coating method used is airless spray, brush, or roller. Among them, airless spray, which causes less scattering, is preferable. The amount of application is 0°3~3,0 kg/
By applying p', the surface layer portion can be solidified.
（作 用）
この発明の方法によれば、石綿被覆層を深部より下地へ
の付着力を与えながら固化するとともに表層を脆弱なも
のから強度のあるものに変える。(Function) According to the method of the present invention, the asbestos coating layer is solidified while giving adhesion to the base layer from the deep part, and the surface layer is changed from a brittle one to a strong one.
（実施例）
実施例Ｉ
ＲＣ造の建築物の天井に１５年前施工された１７５２５
ｍｍ石綿被覆層に対し、下記に示す組成からなる硬化液
を１６個所／ ａａ”、 １０ｃｃ／個所の仕様によ
り注入施工した。更に、表層へは同じ硬化液をエアレス
スプレーにより８００ ｇ／ ｍ２塗布し、仕上げ塗料
として、珪酸質系のペイントを４００ｇ／、ｍ２エアレ
ススプレーを用い塗布した。これにより施工前室内に０
．０７本／ｃｃあった浮遊アスベスト繊維が施工後０．
０２本／ ｃｃとなった。(Example) Example I 17525 installed on the ceiling of an RC building 15 years ago
A hardening liquid having the composition shown below was injected into the mm asbestos coating layer according to the specifications at 16 locations/aa" and 10cc/point.Furthermore, the same hardening solution was applied to the surface layer at 800 g/m2 by airless spray. As a finishing paint, 400g/m2 of silicate-based paint was applied using an airless sprayer.This resulted in zero zero in the room before construction.
．． After construction, the number of floating asbestos fibers was 0.07/cc.
02 bottles/cc.
硬化液の組成
水溶性珪酸塩溶液 ×１ ８０重量部合ｒｌｔ
ｍｍｘ マルシａ ７ ＊ ２ １８ ｆｆ１
．ｔ７ｔａｌｓメチルセロソルブ
２重１１１５注）×１はロ本化学工業（林）の商品名
ＩＪ珪酸ソーグ３号」を使用
＊２はローム＆ハース社製の商品名ＩＡＣ６０４」を使
用
実施例２
ＲＣ造の建築物の天井に１３年６１１施工された厚さ２
５ｍｍの石綿被１１層に対し、下記に示す組成からなる
硬化液を全面に６００ ｇ／ ｌｌｌ’ｌエアレススプ
レーにより塗布し、更に、注入装置により２５個所／
＋ａ２． １５ ｃｃ／個所の仕様により施工した。Composition of hardening liquid Water-soluble silicate solution x1 80 parts by weight rlt
mmx marussia a 7 * 2 18 ff1
．． t7tals methyl cellosolve
Double layer 1115 Note) *1 uses the product name "IJ Silicate Sorg No. 3" manufactured by Romoto Chemical Industry (Hayashi) *2 uses the product name "IAC604" manufactured by Rohm & Haas Example 2 RC building Thickness 2 constructed on the ceiling in 2013 611
For 11 layers of 5mm asbestos, a hardening solution with the composition shown below was applied to the entire surface using 600 g/ll'l airless spray, and then applied to 25 locations/application using an injection device.
+a2. It was constructed according to the specifications of 15 cc/location.
これにより施工前室内に０．３２本／ｃｃあった浮遊ア
スベスト繊維が施工後０．０４杢／ｃｃとなった。補修
エフＪｔ ＋、を最後に結露防止塗料（菊水化学工業（
株）ＷＪｌの１゛キツロナイン」）を１ 、 ＯｋＦｌ
／ｍ’塗装し仕上げとした。As a result, the floating asbestos fibers in the room before construction, which were 0.32 fibers/cc, decreased to 0.04 fibers/cc after construction. Repair F Jt +, finally anti-condensation paint (Kikusui Chemical Co., Ltd.
1 "Kituronine") of WJl Co., Ltd., 1, OkFl
/m' Painted and finished.
硬化液の組成
水溶性珪酸塩溶液 ×３ ７８重１１部合成用
１１ｆｔエマルシヨン ×４ １７重量部メタｔ−
ル ５ｆｆｌ量部注→＊３は
日本化学工業（株）！！の商品名１２に珪酸カリ］を使
用
Ｘ４はヘキスト合成（株）製の商品名「モビニール ９
７５」を使用
実施例３
鉄骨構造の建築物の鉄骨に２Ｏ年前流工された厚さ６０
Ｉｌ−の石綿被覆層に対し、実施例１に使用した硬化液
を２５個所／ ｌｌ’１３０ ｃｅ／個所注入し、更に
１ ｋｇ／糟２エアレススプレーにより塗布した。これ
により施工前は非常に脆かった石綿被覆層を固化するこ
とがでさた。Composition of hardening liquid Water-soluble silicate solution x3 78 parts by weight 11 parts 11ft emulsion for synthesis x4 17 parts by weight Meta-t-
5ffl Volume Note → *3 is Nippon Chemical Industry Co., Ltd.! ! Potassium silicate] is used for product name 12 of X4.
Example 3 Using ``75'' Thickness 60 which was poured into the steel frame of a steel structure building 20 years ago
The hardening solution used in Example 1 was injected into the asbestos coating layer of Il-2 at 25 locations/130 ce/location, and further applied by airless spraying at 1 kg/2 spaces. This enabled the asbestos coating layer, which was extremely brittle before construction, to solidify.
（発明の効果）
この発明では、硬化液の浸透性、不燃性と施工方法の１
■み合わせにより、石綿被覆層の深部から下地への付着
力を確保しながら、表層を固化さ・せることが可能とな
った。従って、石綿１ａ雑の飛散による害を着しく低下
できる。(Effect of the invention) In this invention, the permeability and nonflammability of the curing liquid and the construction method are as follows.
(2) By combining these two layers, it became possible to solidify the surface layer while ensuring the adhesion of the asbestos coating layer from deep to the base. Therefore, the damage caused by the scattering of asbestos 1a can be significantly reduced.
特許出願人 菊水化学工業株式会社代表者
遠山昌夫Patent applicant Representative of Kikusui Chemical Co., Ltd.
Masao Toyama
Claims (1)
層を固化するに当たり、一般式Ｍ＿２Ｏ・ｘＳｉＯ＿２
・ａｑ（式中Ｍは周期律表第 I Ａ族に属するアルカリ
金属を表わし、ｘは２．０〜４．５の正数、ａｑは水溶
液を示す。）で表わされる水溶性珪酸塩溶液と合成樹脂
エマルションおよび／または水溶性樹脂を主成分とする
硬化液を１〜１００個所／ｍ＾２の割合で５〜５０ｃｃ
／個所注入することおよび表層に湿潤重量で０．３〜３
．０ｋｇ／ｍ＾２塗布することを特徴とする石綿被覆層
の固化方法。(1) When solidifying a coating layer containing asbestos for fireproofing, heat insulation, sound absorption, etc., use the general formula M_2O x SiO_2
・A water-soluble silicate solution represented by aq (in the formula, M represents an alkali metal belonging to Group IA of the periodic table, x is a positive number from 2.0 to 4.5, and aq represents an aqueous solution). 5 to 50 cc of hardening liquid mainly composed of synthetic resin emulsion and/or water-soluble resin at a rate of 1 to 100 points/m^2
/ spot injection and surface layer wet weight 0.3-3
．． A method for solidifying an asbestos coating layer, characterized by applying 0 kg/m^2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29634887A JPH01138184A (en) | 1987-11-25 | 1987-11-25 | Solidification of asbestos coated layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29634887A JPH01138184A (en) | 1987-11-25 | 1987-11-25 | Solidification of asbestos coated layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01138184A true JPH01138184A (en) | 1989-05-31 |
| JPH0468273B2 JPH0468273B2 (en) | 1992-10-30 |
Family
ID=17832388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29634887A Granted JPH01138184A (en) | 1987-11-25 | 1987-11-25 | Solidification of asbestos coated layer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01138184A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01141847A (en) * | 1987-11-27 | 1989-06-02 | Yayoi Kagaku Kogyo Kk | Method and apparatus for preventing asbestos from scattering |
| JPH0460054A (en) * | 1990-06-26 | 1992-02-26 | Kikusui Kagaku Kogyo Kk | Sealing for asbestos-covered layer and decoration finishing material |
| JP2007146566A (en) * | 2005-11-30 | 2007-06-14 | Kikusui Chemical Industries Co Ltd | Decorating method |
| JP2007161973A (en) * | 2005-12-09 | 2007-06-28 | Chitoshi Jinno | Coloring photocatalyst, method for producing solidifying liquid for asbestos scattering-proofing use and method for using the liquid |
| JP2007210804A (en) * | 2006-02-07 | 2007-08-23 | Nachuru:Kk | Asbestus solidification method |
| JP2007284318A (en) * | 2006-04-20 | 2007-11-01 | Daiso Chemical Co Ltd | Dust-fly preventing treatment agent and treating method |
-
1987
- 1987-11-25 JP JP29634887A patent/JPH01138184A/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01141847A (en) * | 1987-11-27 | 1989-06-02 | Yayoi Kagaku Kogyo Kk | Method and apparatus for preventing asbestos from scattering |
| JPH0460054A (en) * | 1990-06-26 | 1992-02-26 | Kikusui Kagaku Kogyo Kk | Sealing for asbestos-covered layer and decoration finishing material |
| JP2007146566A (en) * | 2005-11-30 | 2007-06-14 | Kikusui Chemical Industries Co Ltd | Decorating method |
| JP2007161973A (en) * | 2005-12-09 | 2007-06-28 | Chitoshi Jinno | Coloring photocatalyst, method for producing solidifying liquid for asbestos scattering-proofing use and method for using the liquid |
| JP2007210804A (en) * | 2006-02-07 | 2007-08-23 | Nachuru:Kk | Asbestus solidification method |
| JP2007284318A (en) * | 2006-04-20 | 2007-11-01 | Daiso Chemical Co Ltd | Dust-fly preventing treatment agent and treating method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0468273B2 (en) | 1992-10-30 |
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