JPS628307B2 - - Google Patents

Info

Publication number
JPS628307B2
JPS628307B2 JP52108803A JP10880377A JPS628307B2 JP S628307 B2 JPS628307 B2 JP S628307B2 JP 52108803 A JP52108803 A JP 52108803A JP 10880377 A JP10880377 A JP 10880377A JP S628307 B2 JPS628307 B2 JP S628307B2
Authority
JP
Japan
Prior art keywords
hot melt
fiber layer
rock wool
surface coating
melt adhesive
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
Application number
JP52108803A
Other languages
Japanese (ja)
Other versions
JPS5443262A (en
Inventor
Tsunehisa Yamakawa
Seishiro Tokuo
Shunji Mishima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Priority to JP10880377A priority Critical patent/JPS5443262A/en
Publication of JPS5443262A publication Critical patent/JPS5443262A/en
Publication of JPS628307B2 publication Critical patent/JPS628307B2/ja
Granted legal-status Critical Current

Links

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  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)

Description

【発明の詳細な説明】[Detailed description of the invention]

本発明は建材等に用いられる表面被覆層を有す
る無機繊維体の製造法に関する。 ロツクウール、ガラスクロスなどの無機繊維体
に、クラフト紙、ガラスクロス、寒冷紗、ガラス
繊維不織布、フイルムなどの表面被覆材を接着し
て建材その他に用いることは知られている。 この場合、表面被覆材を接着するためには有機
溶剤系、水性系の高分子エマルジヨンを接着剤と
して用いているが、いずれの場合にも、乾燥工程
が必要となり、特に溶剤系の場合溶剤の蒸発によ
つて臭気が発生し、作業環境上好ましくない。こ
の点を改良しようとすれば、余分な装置や工程を
必要とし経済的でない。 そこで本発明では、無溶剤で固形分100%の無
公害型のホツトメルト接着剤の使用によつて上記
問題点を解決したのである。 すなわち、本発明は多孔質である無機繊維層の
表面にホツトメルト接着剤を溶融して噴霧し、こ
れに表面被覆材を接着することを特徴とする表面
被覆層を有する無機繊維体の製造法である。 ホツトメルト接着剤の通常の使用型態から見れ
ば、多孔質である無機繊維層と表面被覆材との間
に粉末状あるいはフイルム状のホツトメルト接着
剤を介在させて加熱接着することが第一に考えら
れるが、この方法ではホツトメルト接着剤の塗布
量が多くなつて、無機繊維層の不燃性および吸音
性等の品質が損われる惧れがある。そこで、第二
の方法としてホツトメルト接着剤を溶融して無機
繊維層または表面被覆材に塗布することが考えら
れる。そしてこの第二の方法の手段としてはロー
ルコーター方式とスプレーコーター方式とがある
が、ロールコーター方式による塗布の場合、ロー
ルに無機繊維体から繊維が剥離し付着し易く、ま
た、表面被覆材の方への塗布はクラフト紙の場合
塗布は可能であるが、薄物のガラスクロス、ガラ
ス繊維不織布、寒冷紗等の場合は、表面に接着剤
が浸出してしまつて実用上適用できない。 したがつて、ホツトメルト接着剤はスプレーコ
ーター方式によつて使用するのが最適であること
が判つた。 しかしながら、スプレーコーター方式による場
合でも、ホツトメルト接着剤が高粘度タイプで
は、十分に噴霧化しないので、低粘度タイプのホ
ツトメルト接着剤を用いる必要がある。ホツトメ
ルト接着剤の溶融粘度は同一成分でも成分比を変
えることによつて低下させることができるが、接
着力も同時に小さくなつて、ホツトメルト接着剤
としての一般的使用には不向きとなるが、多孔質
である無機繊維層のように繊維間の強度が弱く、
層間強度が接着剤の接着強度に比較して小さいよ
うなものに表面被覆材を接着させる場合には、通
常の使用形態においてはその接着力が問題となる
ような接着剤でも充分使用できるのである。 ホツトメルト接着強度は高粘度(1000cps以
上)の場合1Kg/25mm巾〜10Kg/25mm巾(無機繊
維層にホツトメルトを溶融して噴霧し、これに25
mm巾の表面被覆材を貼り付けたものを立てて固定
し、表面被覆材の上部よりおもりを垂下して、は
く離がはじまるときのおもりの重さで表はしてい
る。)であるのに対し、スプレーコーター方式に
適した低粘度である500cps以下のものは300〜
1500g/25mm巾である。ロツクウールよりなる多
孔質の無機繊維層の層間強度はかさ密度40Kg/m3
の場合で15〜30g/25mm巾、80Kg/m3の場合で40
〜80g/25mm巾、130Kg/m3の場合で50〜125g/
25mm巾である。このロツクウール繊維層とガラス
繊維不織布よりなる表面被覆材とを低粘度のホツ
トメルトで接着したときの剥離強度は、ロツクウ
ールのかさ密度が80Kg/m3の場合、60〜124g/
25mm巾、また130Kg/m3の場合には55〜86g/25
mm巾であつた。さらに、薄物ガラスクロスを表面
被覆材として用いた場合には、ロツクウールのか
さ密度80Kg/m3の場合で84〜116g/25mm巾、130
Kg/m3の場合で57〜68g/25mm巾であつた。いず
れの場合も、基材が表面被覆材に繊維が付着した
状態で剥離しており、上記数値からでも裏付けら
れた。低粘度型ホツトメルト接着剤の接着強度は
実用上何ら問題のないことが判つた。 ホツトメルト接着剤の種類と成分は、 (1) エチレン酢酸ビニル共重合体 (2) エステル化ロジン (3) テレピンフエノール樹脂 (4) マイクロクリスタリンワツクス (5) ポリブテン など以上の成分からなる混合体で使用される。 無機繊維体としては、ロツクウール、ガラスウ
ールの多孔質である無機繊維層のもので、板状の
状態で使用する場合と、板状のものを短冊状に切
断し、90゜向きを変え(繊維層の方向を縦方向に
し)た場合の状態で使用することができる。 つぎに表面被覆材としては、ガラスクロス、ガ
ラス繊維不織布、寒冷紗、クラフト紙、アルミク
ラフト紙、フイルム等のものを使用する。 接着方法としては、前記のごとくホツトメルト
接着剤をあらかじめ所定の温度にて加熱溶融し、
スプレーガンにて、無機繊維層の表面に塗布し、
その面に所定の表面被覆材を接着させることによ
り、所定の表面被覆層を有する無機繊維体得られ
る。 第1図は本発明によつて得られるロツクウール
繊維層に表面被覆材を接着した表面被覆品の断面
図を示し、図中1はロツクウール繊維層、2はホ
ツトメルト塗布層、3は表面被覆材を示す。 また第2図はロツクウール繊維層4を50mm巾に
切断し90゜向きを替え連続に並べてホツトメルト
塗布層5により表面被覆材6を接着してなる本発
明による高密度ベルトの断面図を示す。 つぎに実施例によつて本発明をさらに詳細に説
明するが、本発明はこれら実施例によつて限定さ
れるものではない。 実施例 1 第3図に概略図として示した装置により、ロツ
クウール繊維層表面にホツトメルト接着剤をスプ
レーコーターにより塗布し、表面被覆材を接着し
て本発明品を製造した。すなわち、ロツクウール
繊維層7をコンベア8により移送し、加熱フード
9内で、タンク10より供給されるホツトメルト
接着剤(商品名HD―427、ヒロダイン工業(株)製)
を下記第1表に示す温度条件下で、スプレーガン
11によつて該ロツクウール繊維層7上にスプレ
ーコートしてホツトメルト塗布層12を形成し
た。ついで表面被覆材ロール13より供給される
表面被覆材14を圧着ローラ15のところで、上
記ホツトメルト塗布層12を有するロツクウール
繊維層7に被覆した。ついで耳カツター16によ
り両耳を切断し、送りコンベア17によつて移送
したのち往行カツター18によつて一定寸法に切
断して表面被覆品を得た。ロツクウール繊維層と
表面被覆材との接着性は、各表面被覆材に繊維が
付着した状態で剥離し良好であつた。結果を第1
表に示す。
The present invention relates to a method for manufacturing an inorganic fiber body having a surface coating layer used for building materials and the like. It is known that surface covering materials such as kraft paper, glass cloth, cheesecloth, glass fiber nonwoven fabric, and film are adhered to inorganic fibers such as rock wool and glass cloth for use in building materials and other applications. In this case, organic solvent-based or water-based polymer emulsions are used as adhesives to bond the surface coating materials, but in either case, a drying process is required. Evaporation generates an odor, which is unfavorable for the working environment. Any attempt to improve this point would require extra equipment and processes, which would be uneconomical. Therefore, in the present invention, the above-mentioned problems are solved by using a pollution-free hot melt adhesive that is solvent-free and has a solid content of 100%. That is, the present invention is a method for producing an inorganic fiber body having a surface coating layer, which comprises melting and spraying a hot melt adhesive onto the surface of a porous inorganic fiber layer and adhering a surface coating material thereto. be. From the perspective of the normal usage of hot melt adhesives, the first idea is to interpose a powder or film hot melt adhesive between a porous inorganic fiber layer and a surface covering material and heat bond them. However, in this method, the amount of hot melt adhesive applied increases, and there is a risk that the qualities such as nonflammability and sound absorption properties of the inorganic fiber layer may be impaired. Therefore, a second method may be to melt a hot melt adhesive and apply it to the inorganic fiber layer or surface covering material. There are two methods for this second method: a roll coater method and a spray coater method. However, when coating with a roll coater method, the fibers tend to peel off from the inorganic fibers and adhere to the roll, and the surface coating material Although it is possible to apply the adhesive to kraft paper, it is not practical to apply to thin glass cloth, glass fiber nonwoven fabric, cheesecloth, etc. because the adhesive leaches onto the surface. Therefore, it has been found that hot melt adhesives are best used with a spray coater method. However, even when using a spray coater method, a high viscosity hot melt adhesive will not be sufficiently atomized, so it is necessary to use a low viscosity hot melt adhesive. The melt viscosity of a hot melt adhesive can be lowered by changing the ratio of the same ingredients, but the adhesive strength will also decrease, making it unsuitable for general use as a hot melt adhesive. The strength between the fibers is weak, such as in some inorganic fiber layers,
When adhering a surface covering material to something whose interlaminar strength is lower than the adhesive strength of the adhesive, it is sufficient to use an adhesive whose adhesion strength would be a problem in normal use. . Hot melt adhesive strength is 1Kg/25mm width for high viscosity (1000cps or more) ~ 10Kg/25mm width (hot melt is melted and sprayed on the inorganic fiber layer,
A surface coating material with a width of mm is fixed in an upright position, and a weight is hung from the top of the surface coating material, and the weight of the weight is measured when peeling begins. ), whereas those with a low viscosity of 500 cps or less, which are suitable for the spray coater method, have a viscosity of 300~
1500g/25mm width. The interlayer strength of the porous inorganic fiber layer made of rock wool is a bulk density of 40Kg/m 3
15-30g/25mm width, 40 for 80Kg/ m3
~80g/50~125g/25mm width, 130Kg/ m3
It is 25mm wide. When the rock wool fiber layer and the surface covering material made of glass fiber non-woven fabric are bonded together with a low viscosity hot melt, the peel strength is 60 to 124 g/ m3 when the rock wool bulk density is 80 kg/m3.
25mm width, or 55~86g/25 for 130Kg/ m3
It was mm wide. Furthermore, when thin glass cloth is used as a surface covering material, the bulk density of rock wool is 80 kg/ m3 , the width is 84 to 116 g/25 mm, and the width is 130 kg/m3.
In the case of Kg/ m3 , it was 57-68g/25mm width. In both cases, the base material was peeled off with fibers attached to the surface covering material, which was also supported by the above numerical values. It was found that the adhesive strength of the low viscosity hot melt adhesive poses no practical problems. The types and components of hot melt adhesives are: (1) ethylene vinyl acetate copolymer (2) esterified rosin (3) turpentine phenol resin (4) microcrystalline wax (5) polybutene, etc. It is a mixture consisting of the above components. used. The inorganic fiber material is a porous inorganic fiber layer made of rock wool or glass wool.It can be used in a plate form, or it can be cut into strips and turned 90 degrees (fiber It can be used in the state where the layer direction is vertical). Next, as the surface covering material, glass cloth, glass fiber nonwoven fabric, cheesecloth, kraft paper, aluminum kraft paper, film, etc. are used. As for the bonding method, as mentioned above, the hot melt adhesive is heated and melted at a predetermined temperature in advance.
Apply it to the surface of the inorganic fiber layer with a spray gun,
By adhering a predetermined surface coating material to the surface, an inorganic fiber body having a predetermined surface coating layer can be obtained. FIG. 1 shows a cross-sectional view of a surface-coated product obtained by bonding a surface coating material to a rock wool fiber layer obtained by the present invention, in which 1 is a rock wool fiber layer, 2 is a hot melt coating layer, and 3 is a surface coating material. show. FIG. 2 shows a cross-sectional view of a high-density belt according to the present invention, in which the rock wool fiber layer 4 is cut into 50 mm width pieces, the cut is turned 90 degrees, and the cut pieces are successively arranged, and a surface coating material 6 is adhered to the cut wool fiber layer 4 by a hot melt coating layer 5. EXAMPLES Next, the present invention will be explained in more detail with reference to Examples, but the present invention is not limited to these Examples. Example 1 Using the apparatus schematically shown in FIG. 3, a product of the present invention was manufactured by applying a hot melt adhesive onto the surface of a rock wool fiber layer using a spray coater and adhering a surface covering material. That is, the rock wool fiber layer 7 is transferred by a conveyor 8, and in a heating hood 9, a hot melt adhesive (trade name HD-427, manufactured by Hirodyne Industries, Ltd.) is supplied from a tank 10.
was spray coated on the rock wool fiber layer 7 using a spray gun 11 under the temperature conditions shown in Table 1 below to form a hot melt coating layer 12. Next, the surface coating material 14 supplied from the surface coating material roll 13 was applied to the rock wool fiber layer 7 having the hot melt coating layer 12 at the pressure roller 15. Next, both ears were cut using the ear cutter 16, and after being transported on the feed conveyor 17, the product was cut into a fixed size using the forward cutter 18 to obtain a surface-coated product. The adhesion between the rock wool fiber layer and the surface covering material was good as the fibers were peeled off with each surface covering material attached. Results first
Shown in the table.

【表】 実施例 2 実施例1と同様条件で異なるホツトメルト接着
剤(商品名G―60、積水化学工業(株)製)を使用し
た結果若干成分比および成分が異つても均一に接
着し、表面被覆材に繊維が付着した状態で剥離
し、接着性は良好であつた。 実施例 3 ロツクウール繊維層を50mm巾の短柵型に切断
し、第2図の如く繊維層を90゜向きを変え連続に
並べ、第3図の装置により実施例1の温度条件
で、表面被覆材としてガラスクロスを用いて接着
し、高密度のベルトを製造した。 表面被覆材とロツクウール繊維層とを90゜向き
を変えた場合の接着性は、ガラスクロスに繊維が
付着した状態で剥離し、良好であつた。結果を第
2表に示す。
[Table] Example 2 Using a different hot melt adhesive (trade name G-60, manufactured by Sekisui Chemical Co., Ltd.) under the same conditions as Example 1, even though the component ratio and ingredients were slightly different, the adhesive was uniformly bonded. The surface coating material was peeled off with the fibers attached to it, and the adhesion was good. Example 3 The rock wool fiber layer was cut into short fence shapes with a width of 50 mm, and the fiber layers were arranged in a continuous manner with the orientation changed by 90 degrees as shown in Figure 2, and the surface coating was carried out using the apparatus shown in Figure 3 under the temperature conditions of Example 1. A high-density belt was manufactured by bonding using glass cloth as a material. When the surface covering material and the rock wool fiber layer were turned 90 degrees apart, the adhesion was good as the fibers were peeled off with the fibers attached to the glass cloth. The results are shown in Table 2.

【表】【table】 【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明品の1例の断面図、第2図は同
じく他の例の断面図、第3図は本発明を実施する
に適した装置の概略図である。 1,4,7……ロツクウール繊維層、2,5,
12……ホツトメルト塗布層、3,6,14……
表面被覆材、8……コンベア、9……加熱フー
ド、10……タンク、11……スプレーガン、1
3……表面被覆材ロール、15……圧着ローラ、
16……耳カツター、17……送りコンベア、1
8……往行カツター。
FIG. 1 is a sectional view of one example of the invention, FIG. 2 is a sectional view of another example, and FIG. 3 is a schematic diagram of an apparatus suitable for carrying out the invention. 1, 4, 7... Rock wool fiber layer, 2, 5,
12... Hot melt coating layer, 3, 6, 14...
Surface coating material, 8... Conveyor, 9... Heating hood, 10... Tank, 11... Spray gun, 1
3... Surface covering material roll, 15... Pressure roller,
16...Ear cutter, 17...Feeding conveyor, 1
8...Outbound cutter.

Claims (1)

【特許請求の範囲】[Claims] 1 多孔質である無機繊維層の表面にホツトメル
ト接着剤を溶融して噴霧し、これに表面被覆材を
接着することを特徴とする表面被覆層を有する無
機繊維体の製造法。
1. A method for producing an inorganic fiber body having a surface coating layer, which comprises melting and spraying a hot melt adhesive onto the surface of a porous inorganic fiber layer and adhering a surface coating material thereto.
JP10880377A 1977-09-12 1977-09-12 Inorganic fiber material with coated layer on the surface and its production Granted JPS5443262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10880377A JPS5443262A (en) 1977-09-12 1977-09-12 Inorganic fiber material with coated layer on the surface and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10880377A JPS5443262A (en) 1977-09-12 1977-09-12 Inorganic fiber material with coated layer on the surface and its production

Publications (2)

Publication Number Publication Date
JPS5443262A JPS5443262A (en) 1979-04-05
JPS628307B2 true JPS628307B2 (en) 1987-02-21

Family

ID=14493869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10880377A Granted JPS5443262A (en) 1977-09-12 1977-09-12 Inorganic fiber material with coated layer on the surface and its production

Country Status (1)

Country Link
JP (1) JPS5443262A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04103809A (en) * 1990-08-24 1992-04-06 Ngk Spark Plug Co Ltd Manufacture for tappet

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57151362A (en) * 1981-03-16 1982-09-18 Mitsui Toatsu Chemicals Composite sheet
US5246514A (en) * 1990-04-30 1993-09-21 Energy Blanket Of Texas, Inc. Fiberglass blanket and backing sheet laminator system with sonic vibration and vacuum removal of broken fiberglass particles
US6030575A (en) * 1991-10-21 2000-02-29 The Dow Chemical Company Method for making preforms
JP4038266B2 (en) 1998-02-17 2008-01-23 オイレス工業株式会社 Viscous shear damper
JP6339957B2 (en) * 2015-03-24 2018-06-06 三菱製紙株式会社 Nonwoven composite containing glass fiber for building components
CN107973159B (en) * 2017-12-11 2019-08-02 扬州杭集工业园经济发展有限公司 A kind of compounding machine compound for umbrella cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04103809A (en) * 1990-08-24 1992-04-06 Ngk Spark Plug Co Ltd Manufacture for tappet

Also Published As

Publication number Publication date
JPS5443262A (en) 1979-04-05

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