【0001】[0001]
【産業上の利用分野】本発明は、制振効果を有する床下
地材に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor base material having a vibration damping effect.
【0002】[0002]
【従来の技術】高層、集合住宅が盛んに建設されてお
り、そうした中で、近隣家庭での振動音によるトラブル
が続発している。2. Description of the Related Art High-rise and high-rise apartments are actively being built, and in such a situation, troubles due to vibration noise in neighboring households are occurring.
【0003】こうした問題を解決する床下地材として、
本願出願人は、特願平2−231989号等において、
木質板材間に、制振シートとパーティクルボードを心材
として介在し一体化したものを提案した。As a floor base material for solving these problems,
The applicant of the present application, in Japanese Patent Application No. 2-231989, etc.,
We proposed a vibration damping sheet and a particle board as a core material between the wooden boards.
【0004】このものは、制振シートとパーティクルボ
ードにより効果的に制振作用をなすとともに、植林が容
易、成長が早い針葉樹を使用するため、資源保存の面で
も有利なものである。[0004] This is an advantage from the viewpoint of resource conservation because it uses a damping sheet and particle board to effectively control the vibration and uses a coniferous tree that is easy to plant and grows quickly.
【0005】[0005]
【発明が解決しようとする課題】しかしながら、その制
振床下地材の心材は、制振シートとパーティクルボード
が別ものであるため、それぞれを個別に製作した後、上
記一体化を行っていた。このため、製作性の面で工夫の
余地がある。However, since the core material of the vibration damping floor base material is different from the vibration damping sheet and the particle board, the above-mentioned integration is carried out after each is individually manufactured. Therefore, there is room for improvement in terms of manufacturability.
【0006】本発明は、以上の点に鑑み、心材を、制振
シートとパーティクルボードの別ものとせず、両者の制
振機能を併せもつ一体ものとすることを課題とする。In view of the above points, an object of the present invention is to make the core material not a separate vibration damping sheet and particle board but an integrated one having both damping functions.
【0007】[0007]
【課題を解決するための手段】上記課題を解決するため
に、本発明にあっては、表裏板を、針葉樹をその外周面
周方向に沿って連続的にスライスした単板の所要枚をそ
の繊維を90度づつ交互に交叉させ積重ねて接合したも
のとするとともに、その表裏板間に介在される心材を、
加硫粒状ゴム、熱融着性ゴム、ポリイソブチレン、極性
基を有する変性ポリオレフィン及び木材チップのそれぞ
れ所要量を混練し加熱加圧して一体化したものとしたの
である。In order to solve the above-mentioned problems, according to the present invention, the required number of veneers obtained by continuously slicing a coniferous tree along the circumferential direction of its outer surface is used. The fibers are alternately crossed by 90 degrees, stacked and joined together, and the core material interposed between the front and back plates is
Vulcanized granular rubber, heat-fusible rubber, polyisobutylene, modified polyolefin having polar groups, and wood chips were kneaded in a required amount, and heated and pressed to be integrated.
【0008】上記加硫粒状ゴムは平均粒径1.0〜3.0mm
として60〜220重量部、上記熱融着性ゴムはブチル
ゴムを使用して60〜90重量部、上記ポリイソブチレ
ンと変性ポリオレフィンは、合計7〜40重量部でその
内変性ポリオレフィンが10重量部以上30重量部未
満、上記木材チップは240〜640重量部とするとよ
い。このとき、加硫粒状ゴムは平均粒径の異なるものを
等量配合するのが好ましく、ブチルゴムには再生ブチル
ゴムを一部に使用することもでき、また、熱融着性ゴム
とポリイソブチレン、変性ポリオレフィンの合計を10
0重量部とするとよい。The above vulcanized granular rubber has an average particle size of 1.0 to 3.0 mm.
60-220 parts by weight, the heat-fusible rubber is butyl rubber 60-90 parts by weight, the polyisobutylene and the modified polyolefin are 7-40 parts by weight in total, and the modified polyolefin is 10 parts by weight or more 30 parts by weight or more. The wood chips may be less than 240 parts by weight, and the wood chips may be 240 to 640 parts by weight. At this time, it is preferable that the vulcanized granular rubbers are mixed in equal amounts having different average particle diameters, the regenerated butyl rubber can be partially used as the butyl rubber, and the heat-fusible rubber and polyisobutylene are modified. 10 total polyolefins
It is recommended to set it to 0 parts by weight.
【0009】変性ポリオレフィンは接着性樹脂であっ
て、下記表1で示す化学構造式(I)から(IV)で表わ
されるアセトキシ基、水酸基、カルボキシル基、エステ
ル基等を有するもので、市販されている銘柄では次のよ
うなものが挙げられる。The modified polyolefin is an adhesive resin having an acetoxy group, a hydroxyl group, a carboxyl group, an ester group and the like represented by the chemical structural formulas (I) to (IV) shown in Table 1 below, and is commercially available. Some of the brands are listed below.
【0010】デュミラン:三井ポリケミカル株式会社製
商品名 アドマー:三井石油化学工業株式会社製商品名 タケメルト:武田薬品工業株式会社製商品名 UBE BOND:宇部興産株式会社製商品名Dumilan: Trade name of Mitsui Polychemical Co., Ltd. Admer: Trade name of Mitsui Petrochemical Co., Ltd. Takemelt: Trade name of Takeda Pharmaceutical Co., Ltd. UBE BOND: Trade name of Ube Industries Co., Ltd.
【0011】[0011]
【表1】[Table 1]
【0012】なお、木材チップは従来の合板用パーティ
クルボードと同質のものを使用する。As the wood chips, those of the same quality as conventional particle boards for plywood are used.
【0013】[0013]
【作用】このように構成する本発明に係る制振床下地材
は、熱融着性ゴム(ブチルゴム)の自己融着性及び変性
ポリオレフィンの接着性により、加硫粒状ゴム、ポリイ
ソブチレン、木材チップが一体となって心材をなしてお
り、その心材中に分散する加硫粒状ゴム、木材チップと
その間を埋める熱融着性ゴム、ポリイソブチレンとによ
って振動音(波)が効率よく分散し吸収される。The vibration-damping floor base material according to the present invention having the above-described structure is vulcanized granular rubber, polyisobutylene, and wood chips due to the self-bonding property of the heat-fusible rubber (butyl rubber) and the adhesive property of the modified polyolefin. Form a core material, and the vibration sound (wave) is efficiently dispersed and absorbed by the vulcanized granular rubber dispersed in the core material, the wood chips and the heat-sealable rubber filling the space between them, and polyisobutylene. It
【0014】[0014]
【実施例】まず、表裏板1は、図5に示すように、1.0
mm厚の単板1a、1b、1cを積み重ね接着して一体化
したものであり、その繊維を90度づつ交互に交叉させ
ている。その単板1a、1b、1cは、図6に示すよう
に、節間採りした無節のラジアタパインの原木Wを、外
周面周方向に沿ってスライス、いわゆる“かつらむき”
して形成する。EXAMPLE First, as shown in FIG. 5, the front and back plates 1 are 1.0
The single plates 1a, 1b, 1c having a thickness of mm are stacked and adhered to be integrated, and the fibers are alternately crossed by 90 degrees. As shown in FIG. 6, the veneers 1a, 1b, and 1c are slices of a nodeless radiata pine log W, which is internode-shaped, along the circumferential direction of the outer peripheral surface, that is, a so-called "striped".
To form.
【0015】一方、心材3は、まず、硫粒状ゴム(平均
粒径1.0〜3.0mm):60〜220重量部、ブチルゴム
(BR):60〜90重量部、ポリイソブチレンとUB
EBOND:10〜40重量部の適量を、密封混練り機
に投入して十分に混練し、次いで、木材チップ:240
〜620重量部の適量を数回に分け投入して混練りして
心素材を製作する。このとき、重質炭酸カルシウム、加
工性付与オイル、亜鉛華3号、粉末ステアリン酸、パラ
フィンフレークを適宜量投入する。On the other hand, as for the core material 3, first, sulfur granular rubber (average particle size 1.0 to 3.0 mm): 60 to 220 parts by weight, butyl rubber (BR): 60 to 90 parts by weight, polyisobutylene and UB.
EBOND: An appropriate amount of 10 to 40 parts by weight is put into a hermetic kneader and sufficiently kneaded, and then wood chips: 240
An appropriate amount of 620 parts by weight is charged in several times and kneaded to produce a core material. At this time, heavy calcium carbonate, processability imparting oil, zinc white No. 3, powdered stearic acid, and paraffin flakes are added in appropriate amounts.
【0016】つぎに、図2に示すように、金型枠D(厚
さ20mm、縦600mm、横300mm)内に前記裏板1を
置き、その上に接着性プラスチックシート2を介在して
上記心素材3を投入し、図3に示すように、125℃〜
130℃、8〜10kgf/cm2の条件下、プレス板11
により3.5〜5分加熱加圧した。つぎに、図4に示すよ
うに、心素材3の上に、接着性プラスチックシート2を
介在して表板1を置き、先と同様の条件下で加熱加圧し
て、図1に示す制振床下地材Aを得た。Next, as shown in FIG. 2, the back plate 1 is placed in a mold frame D (thickness: 20 mm, length: 600 mm, width: 300 mm), and an adhesive plastic sheet 2 is interposed on the back plate 1. Put in the core material 3, and as shown in FIG.
Press plate 11 under the conditions of 130 ° C. and 8 to 10 kgf / cm2.
It was heated and pressed for 3.5 to 5 minutes. Next, as shown in FIG. 4, the front plate 1 is placed on the core material 3 with the adhesive plastic sheet 2 interposed therebetween, heated and pressed under the same conditions as above, and the vibration damping shown in FIG. Floor base material A was obtained.
【0017】なお、接着性プラスチックシート2には、
低密度ポリエチレン(LDPE)100重量部に対し、
極性基を有する変性ポリオレフィン7重量部以上を添加
してなるものを使用した。このシート2は前述の単板1
a、1b、1cの接合にも使用し得る。この場合、それ
らに介在して加熱加圧する。図中においては、シート2
を明瞭に表わしているが、実際には心材3及び表裏板
1、1にその組成樹脂が入り込んで形をなさない状態と
なる。The adhesive plastic sheet 2 includes
For 100 parts by weight of low density polyethylene (LDPE),
A product obtained by adding 7 parts by weight or more of a modified polyolefin having a polar group was used. This sheet 2 is the above-mentioned veneer 1
It can also be used for joining a, 1b, and 1c. In this case, they are interposed and heated and pressurized. In the figure, sheet 2
However, in reality, the core resin 3 and the front and back plates 1 and 1 are in a state in which the resin composition does not take shape.
【0018】この制振床下地材Aに対し、JIS A1
418による軽量衝撃音試験(250〜2000Hzを)
を行ったところ、12〜18dBの改善が認められた。[0018] For this damping floor base material A, JIS A1
418 lightweight impact sound test (250-2000Hz)
As a result, an improvement of 12 to 18 dB was recognized.
【0019】[0019]
【発明の効果】本発明は、以上のように構成して、心材
を、制振シートとパーティクルボードの両制振機能を併
せもつ一体ものとしたので、従来のごとく、制振シート
とパーティクルボードの一体作業がなくなり、生産性が
向上する。According to the present invention, as constructed above, the core material is integrated into one having both the damping function of the damping sheet and the damping function of the particle board. There is no need for integrated work, and productivity is improved.
【図1】一実施例の部分斜視図FIG. 1 is a partial perspective view of an embodiment.
【図2】同実施例の製作説明図FIG. 2 is a production explanatory view of the same embodiment.
【図3】同実施例の製作説明図FIG. 3 is a production explanatory view of the same embodiment.
【図4】同実施例の製作説明図FIG. 4 is a production explanatory view of the same embodiment.
【図5】同実施例の製作説明図FIG. 5 is a production explanatory view of the same embodiment.
【図6】同実施例の製作説明図FIG. 6 is a production explanatory view of the same embodiment.
1 木質板材 1a、1b、1c 単板 2 接着性プラスチックシート 3 心材(心素材) A 制振床下地材 D 金型枠 1 Wood board material 1a, 1b, 1c Single board 2 Adhesive plastic sheet 3 Core material (core material) A Damping floor base material D Mold frame
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9882491AJPH06102322B2 (en) | 1991-04-30 | 1991-04-30 | Damping floor base material |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9882491AJPH06102322B2 (en) | 1991-04-30 | 1991-04-30 | Damping floor base material |
| Publication Number | Publication Date |
|---|---|
| JPH04339601A JPH04339601A (en) | 1992-11-26 |
| JPH06102322B2true JPH06102322B2 (en) | 1994-12-14 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9882491AExpired - LifetimeJPH06102322B2 (en) | 1991-04-30 | 1991-04-30 | Damping floor base material |
| Country | Link |
|---|---|
| JP (1) | JPH06102322B2 (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8378613B2 (en) | 2004-01-28 | 2013-02-19 | Irobot Corporation | Debris sensor for cleaning apparatus |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080152854A1 (en)* | 2006-12-20 | 2008-06-26 | 3M Innovative Properties Company | Damping tape and articles comprising same |
| WO2021183071A1 (en)* | 2020-03-13 | 2021-09-16 | Saglamlar Orman Tarim Urunleri Ticaret Ve Sanayi Anonim Sirketi | Low cost and high strength wooden product using waste wood pieces |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8378613B2 (en) | 2004-01-28 | 2013-02-19 | Irobot Corporation | Debris sensor for cleaning apparatus |
| Publication number | Publication date |
|---|---|
| JPH04339601A (en) | 1992-11-26 |
| Publication | Publication Date | Title |
|---|---|---|
| RU2395553C2 (en) | Adhesive system and method | |
| JPH06102322B2 (en) | Damping floor base material | |
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