JPH0647479B2 - Method for producing lightweight inorganic fiber - Google Patents
Method for producing lightweight inorganic fiberInfo
- Publication number
- JPH0647479B2 JPH0647479B2 JP62305568A JP30556887A JPH0647479B2 JP H0647479 B2 JPH0647479 B2 JP H0647479B2 JP 62305568 A JP62305568 A JP 62305568A JP 30556887 A JP30556887 A JP 30556887A JP H0647479 B2 JPH0647479 B2 JP H0647479B2
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- fiber
- adhesive
- inorganic fiber
- blowing
- 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.)
- Expired - Fee Related
Links
- 239000012784 inorganic fiber Substances 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000835 fiber Substances 0.000 claims description 30
- 239000000853 adhesive Substances 0.000 claims description 17
- 230000001070 adhesive effect Effects 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Landscapes
- Building Environments (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は住宅等の建造物へのブローイング工法に適した
軽量な無機繊維の製造方法に関する。TECHNICAL FIELD The present invention relates to a method for producing a lightweight inorganic fiber suitable for a blowing method for a building such as a house.
住宅の天井裏や断熱材としてグラスファィバーやロック
ウールの成形品を使用することは知られており、これら
は繊維化後又は繊維の集綿後に接着剤を噴霧又は塗布等
の方法によりマット状に成型し、接着剤を完全に硬化さ
せるために圧縮や加熱処理によって製造されている。It is known to use molded products of glass fiber and rock wool for the ceilings of houses and heat insulation materials, and these are formed into a mat by spraying or applying an adhesive after fiberization or fiber collection. It is molded and manufactured by compression or heat treatment to completely cure the adhesive.
しかしながら、これらの成型品は１００mm以上の厚い製
品がなく、施工の結果隙間ができるので断熱性能上問題
があり、また、結露などの発生原因となっている。However, these molded products do not have a thick product of 100 mm or more, and a gap is formed as a result of the construction, so that there is a problem in heat insulation performance, and it causes dew condensation.
そのため、ブローイング工法（吹き込み工法）によりロ
ックウールを任意の厚さに吹き込むことが行われている
が、この際に、通常のロックウールを使用し、住宅の天
井裏や壁に吹き込んで断熱施工とすると、通常４０〜６
０kg／m3の密度となる。これは、単位面積当たりの重量
にすると、例えば１００mmの厚さに吹き込むと４〜６kg
／m2となり、天井を構成する材料、即ち野縁や天井板、
吊り木の補強が必要となる他、ロックウールの使用量が
多くなり経済的ではないという問題点があった。For this reason, rock wool is blown to a desired thickness by the blowing method (blowing method), but at this time, ordinary rock wool is used to blow it into the ceiling and walls of the house for insulation. Then usually 40-6
The density is 0 kg / m 3 . This is 4-6 kg when blown into a thickness of 100 mm, for example, in terms of weight per unit area.
/ M 2, and the material constituting the ceiling, i.e. ceiling joists and the ceiling board,
In addition to the need to reinforce the hanging tree, there was a problem that the amount of rock wool used was large and it was not economical.
本発明の目的はブローイング工法に好適な軽量な無機繊
維の製造方法を提供することにある。An object of the present invention is to provide a method for producing a lightweight inorganic fiber suitable for a blowing method.
本発明者らは上記のような問題点を解決するため研究を
行い、繊維化された繊維が冷却される前に少量の接着剤
を吹きつけ繊維が保有する熱により繊維同志を部分的に
固着させることにより、外力に対して変形しにくく軽量
な密度のブローイング用ロックウールが得られることを
見出し、本発明を完成した。The present inventors have conducted research to solve the above-mentioned problems, and spray a small amount of adhesive before the fiberized fiber is cooled to partially fix the fibers by heat held by the fiber. It was found that by doing so, it is possible to obtain a rocking wool for blowing, which is hard to be deformed by an external force and has a light weight, and completed the present invention.
すなわち、本発明は高温の無機質溶融体を遠心力や気流
の作用により繊維化する際に、繊維化された繊維が冷却
される前に少量の接着剤を吹きつけ、加熱、圧縮するこ
となく繊維が保有する熱により接着剤の硬化および／ま
たは脱溶剤を行わせしめることにより繊維同志を部分的
に接着したバルク状又はマット状とすることを特徴とす
る軽量な無機繊維の製造方法である。That is, the present invention, when fibrating the high temperature inorganic melt by the action of centrifugal force or air flow, spray a small amount of adhesive before the fibrous fibers are cooled, and heat and compress the fibers without compression. Is a method for producing a lightweight inorganic fiber, characterized in that the adhesive is cured and / or the solvent is removed by the heat retained therein to form a partially bonded bulk or matted fiber.
高温の無機質溶融体とは無機質繊維の原料を溶融したも
のであり、例えばロックウールは製鉄所等で副生するス
ラグあるいは安山岩や玄武岩等の天然鉱石をキュポラ、
電気炉等で溶解したものである。次にこの高温の無機質
溶融体は蒸気等の圧力気体又は遠心力により吹製して繊
維化される。繊維化と同時に、又は後であって、まだ冷
却しない内に公知の方法により接着剤を噴霧する。The high temperature inorganic melt is a melt of the raw material of the inorganic fiber, for example rockwool is a slag by-produced in a steel mill or a natural ore such as andesite or basalt cupola,
It is melted in an electric furnace. Next, this high-temperature inorganic melt is blown into a fiber by pressure gas such as steam or centrifugal force. At the same time as or after the fiberization, the adhesive is sprayed by a known method while not cooling.
接着剤としては熱硬化性樹脂、水溶性でない熱可塑性樹
脂が使用できる。熱硬化性樹脂としてはフェノール樹
脂、尿素−ホルムアルデヒド樹脂、アクリル酸エステル
共重合体、メラミン−ホルムアルデヒド樹脂、エポキシ
樹脂等が、熱可塑性樹脂としてはポリ酢酸ビニル系のも
のが挙げられる。これらの接着剤のうち固形のものは溶
剤溶液、エマルジョンの形で使用してもよい。A thermosetting resin or a water-insoluble thermoplastic resin can be used as the adhesive. Examples of the thermosetting resin include phenol resin, urea-formaldehyde resin, acrylic acid ester copolymer, melamine-formaldehyde resin and epoxy resin, and examples of the thermoplastic resin include polyvinyl acetate type. Of these adhesives, solid ones may be used in the form of solvent solution or emulsion.
接着剤の付着量は一般の成型品の場合は１〜３％である
が、本発明ではその1/10〜1/3 程度の0.1 〜1.0 ％、好
ましくは0.1 〜0.5 ％である。付着量が0.1 ％以下では
繊維同志が強固に固着されず、また1.0 ％以上では繊維
と繊維の間に接着剤が入り込み、密度が高くなるために
好ましくない。The amount of adhesive adhered is 1 to 3% in the case of a general molded product, but in the present invention, it is 0.1 to 1.0%, preferably 1 to 0.5%, which is about 1/10 to 1/3 of that. If the adhered amount is 0.1% or less, the fibers are not firmly fixed to each other, and if the adhered amount is 1.0% or more, the adhesive enters between the fibers to increase the density, which is not preferable.
接着剤を噴霧された繊維は移動コンベア上に繊維を連続
的に気流と共に流すことによって集綿されるが、この時
点で繊維は約１００〜２００℃の温度を有しているた
め、接着剤は硬化および／または脱溶剤され繊維同志を
部分的に接着したバルク状又はマット状として形成され
る。The fibers sprayed with the adhesive are collected on the moving conveyor by continuously flowing the fibers with an air stream, at which point the fibers have a temperature of about 100-200 ° C. It is cured and / or desolvated and formed as a bulk or mat in which the fibers are partially adhered.
このものは、バルク状の場合にはこのままで、マット状
のものは公知の手段によって切断等を行った後にブロー
イングマシン等によって住宅等の天井裏や壁等に吹き込
み断熱材層を形成される。This is as it is in the case of a bulk, while the mat is cut by a known means and then blown into a ceiling or wall of a house or the like by a blowing machine or the like to form a heat insulating material layer.
本発明では繊維化時に少量の接着剤を噴霧することによ
り、集綿時の保有熱によって接着剤を硬化させるため、
繊維が部分的に接着し、更に圧縮や加熱の処理をする必
要がなく軽量なブローイング用ロックウールを得ること
ができる。In the present invention, by spraying a small amount of adhesive at the time of fiberizing, the adhesive is cured by the heat retained during cotton collection,
It is possible to obtain a lightweight rockwool for blowing, in which fibers are partially adhered and there is no need to further perform compression or heating.
実施例１ 高炉スラグ９０％、珪石１０％をキュポラ炉で溶融し、
遠心力により繊維化すると同時に、水溶性フェノール樹
脂を固形分として該繊維に対して０．３％付着させた。
集綿時の繊維は約１００〜２００℃の温度を保有してお
り、フェノール樹脂中の水分は蒸発し、なおかつ樹脂も
硬化しており、特にオーブン等による加熱処理は必要と
しなかった。Example 1 90% blast furnace slag and 10% silica were melted in a cupola furnace,
At the same time as fiberization by centrifugal force, a water-soluble phenolic resin was attached as solid content to the fiber in an amount of 0.3%.
The fibers at the time of collecting the cotton had a temperature of about 100 to 200 ° C., the water content in the phenol resin was evaporated, and the resin was hardened, so that the heat treatment with an oven or the like was not particularly required.
このバルク状繊維をブローイングマシンで吹き込み施工
した結果、２０kg／m3の密度で外力に対して変形しにく
い軽い断熱層を得た。As a result of blowing the bulk fibers with a blowing machine, a light heat insulating layer having a density of 20 kg / m 3 which is not easily deformed by an external force was obtained.
実施例２ 実施例１の原料を溶融して繊維化するときに固形分３０
％、粘度４０００poise の酢酸ビニルエマルジョンを繊
維に対して０．２５％付着させた。Example 2 When the raw material of Example 1 is melted and made into fiber, the solid content is 30.
%, A vinyl acetate emulsion having a viscosity of 4000 poise was adhered to the fibers in an amount of 0.25%.
得られた繊維は実施例１同様オーブン等の加熱処理を必
要としなかった。The obtained fiber did not require heat treatment in an oven as in Example 1.
このバルク状繊維をブローイングマシンで吹き込み施工
した結果、２２kg／m3の密度で外力に対して変形しにく
い軽い断熱層を得た。As a result of blowing and applying this bulk fiber with a blowing machine, a light heat-insulating layer having a density of 22 kg / m 3 and being hard to be deformed by an external force was obtained.
実施例３ 溶融スラグ９０％、珪石１０％を電気炉で溶融し、遠心
力により繊維化する同時に、固形分５０％のアクリル酸
エステル共重合体エマルジョンを繊維に対して０．５％
付着させた。Example 3 90% of molten slag and 10% of silica stone were melted in an electric furnace and were made into fibers by centrifugal force. At the same time, 0.5% of acrylic acid ester copolymer emulsion having a solid content of 50% was added to the fibers.
Attached.
これにより得られたバルク状繊維をブローイングマシン
で吹き込み施工した結果、１９kg／m3の密度で外力に対
して変形しにくい軽い断熱層を得た。The bulk fibers thus obtained were blown with a blowing machine, and as a result, a light heat insulating layer with a density of 19 kg / m 3 which was not easily deformed by external force was obtained.
以上の説明から明らかなように、本発明によれば繊維同
志を少量の接着剤により部分的に集綿時の保有熱によっ
て固着することにより、接着剤を硬化させるための圧縮
や加熱の処理をすることなく外力に対して変形しにく
く、軽量なロックウールが得られる。このロックウール
を使用することによって、断熱層を経済的に施工するこ
とができる。As is clear from the above description, according to the present invention, the fibers are partially fixed by a small amount of the adhesive by the retained heat at the time of collecting the cotton, so that the compression and the heat treatment for curing the adhesive can be performed. Without being deformed, it is hard to be deformed by external force, and lightweight rock wool can be obtained. By using this rock wool, the heat insulation layer can be economically constructed.
Claims (1)
により繊維化する際に、繊維化された繊維が冷却される
前に少量（繊維に対し０．１〜１％）の接着剤を吹きつ
け、加熱、圧縮することなく繊維が保有する熱により接
着剤の硬化および／または脱溶剤を行わしめることによ
り繊維同志を部分的に接着したバルク状又はマット状と
することを特徴とするブローイング工法用の軽量な無機
繊維の製造方法。1. A small amount (0.1 to 1% with respect to the fiber) of the adhesive before the fiberized fiber is cooled when the high-temperature inorganic melt is fiberized by the action of centrifugal force or air flow. Characterized in that the fibers are partially adhered to each other in a bulk or mat shape by curing the adhesive and / or removing the solvent by the heat held by the fibers without spraying, heating and compressing. A method for producing a lightweight inorganic fiber for a blowing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62305568A JPH0647479B2 (en) | 1986-12-16 | 1987-12-04 | Method for producing lightweight inorganic fiber |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29776086 | 1986-12-16 | ||
| JP61-297760 | 1986-12-16 | ||
| JP62305568A JPH0647479B2 (en) | 1986-12-16 | 1987-12-04 | Method for producing lightweight inorganic fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63274641A JPS63274641A (en) | 1988-11-11 |
| JPH0647479B2 true JPH0647479B2 (en) | 1994-06-22 |
Family
ID=26561223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62305568A Expired - Fee Related JPH0647479B2 (en) | 1986-12-16 | 1987-12-04 | Method for producing lightweight inorganic fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0647479B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4241514C2 (en) * | 1992-12-10 | 1995-09-07 | Freudenberg Carl Fa | Method for producing a sheet loaded with dipoles and device for carrying out the method |
| WO2021175404A1 (en) * | 2020-03-03 | 2021-09-10 | Grenzebach Bsh Gmbh | Integrated plant for refuse incineration and for producing rock wool, and method for operating the plant |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5153024A (en) * | 1974-10-29 | 1976-05-11 | Asahi Fibreglass Co | |
| JPS59102830A (en) * | 1982-11-30 | 1984-06-14 | Nitto Boseki Co Ltd | Method for applying processing liquid to inorganic short fiber and apparatus therefor |
-
1987
- 1987-12-04 JP JP62305568A patent/JPH0647479B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63274641A (en) | 1988-11-11 |
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