JPH05245944A - Manufacture of interior finish material - Google Patents
Manufacture of interior finish materialInfo
- Publication number
- JPH05245944A JPH05245944A JP4085900A JP8590092A JPH05245944A JP H05245944 A JPH05245944 A JP H05245944A JP 4085900 A JP4085900 A JP 4085900A JP 8590092 A JP8590092 A JP 8590092A JP H05245944 A JPH05245944 A JP H05245944A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- synthetic resin
- fiber
- impregnated
- beads
- 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
Landscapes
- Molding Of Porous Articles (AREA)
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、主として自動車の天井
材等の内装材の製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a method of manufacturing interior materials such as automobile ceiling materials.
【０００２】[0002]
【従来の技術】従来から軽量でかつ防音性に優れた内装
材の材料として合成樹脂含浸ポリウレタン発泡体シート
が提供されている（特公昭６１−５１５４４号）。2. Description of the Related Art Conventionally, a synthetic resin-impregnated polyurethane foam sheet has been provided as a material for an interior material which is lightweight and excellent in soundproofing (Japanese Patent Publication No. 61-51544).
【０００３】しかしながら上記合成樹脂含浸ポリウレタ
ン発泡体シートは強度が充分でないので、該シートの片
面または両面にメラミン樹脂等の合成樹脂を含浸した繊
維絡合シートを重合して補強することが行なわれてい
る。However, since the synthetic resin-impregnated polyurethane foam sheet is not strong enough, a fiber entangled sheet impregnated with a synthetic resin such as melamine resin is polymerized and reinforced on one or both sides of the sheet. There is.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら繊維絡合
シートは密度や厚さを均一にすることが極めて困難であ
り、該シートの密度や厚さにばらつきがあると得られる
内装材の表面に凹凸が出来る。また合成樹脂含浸ポリウ
レタンシートを成形する際、特に深絞り成形部では該シ
ートが引張られて肉厚が縮小され、均一な肉厚を有する
内装材が得られない。However, it is extremely difficult to make the density and thickness of the fiber-entangled sheet uniform, and if the density and thickness of the sheet are uneven, the surface of the interior material obtained will be uneven. Can be done. Further, when molding a synthetic resin-impregnated polyurethane sheet, the sheet is pulled particularly in the deep-drawing portion to reduce the wall thickness, and an interior material having a uniform wall thickness cannot be obtained.
【０００５】[0005]
【課題を解決するための手段】本発明は上記従来の課題
を解決するための手段として、内部に発泡性プラスチッ
クビーズ(15A) を混合した繊維絡合シート(14)を合成樹
脂含浸ポリウレタンシート(12)と重合してホットプレス
することにより該発泡性プラスチックビーズ(15A) を発
泡融着せしめるとともに所定形状に成形する内装材(11)
の製造方法を提供し、更に上記繊維絡合シート(14)には
合成樹脂が含浸されている内装材(11)の製造方法を提供
するものである。[Means for Solving the Problems] As a means for solving the above-mentioned conventional problems, the present invention provides a synthetic resin-impregnated polyurethane sheet (14) with a fiber entangled sheet (14) having expandable plastic beads (15A) mixed therein. Interior material (11) that is foamed and fused with the foamable plastic beads (15A) by polymerizing with 12) and hot-pressing and molding into a predetermined shape
The present invention also provides a method for producing an interior material (11) in which the fiber entangled sheet (14) is impregnated with a synthetic resin.
【０００６】[0006]
【作用】本発明においては内部に発泡性プラスチックビ
ーズ(15A) を混合した繊維絡合シート(14)を合成樹脂含
浸ポリウレタンシート(12)と重合してホットプレスする
と、該発泡性プラスチックビーズ(15A) は軟化発泡融着
して発泡層(15)が形成されるから、繊維絡合シート(14)
の密度や厚みの小さい部分が該発泡層(15)によって充填
され、また合成樹脂含浸ポリウレタンシート(12)が深絞
り成形によって肉厚が縮小された部分も該発泡層(15)に
よって充填される。また該発泡層(15)は繊維絡合シート
(14)内に形成され剛性を有しているが、該シート(14)に
合成樹脂を含浸すれば剛性が更に向上する。In the present invention, the fiber entangled sheet (14) having the expandable plastic beads (15A) mixed therein is polymerized with the synthetic resin-impregnated polyurethane sheet (12) and hot pressed to obtain the expandable plastic beads (15A). ) Is softened and foamed to form a foamed layer (15), so that the fiber entangled sheet (14)
Is filled with the foam layer (15), and the synthetic resin-impregnated polyurethane sheet (12) is also filled with the foam layer (15) whose thickness is reduced by deep drawing. . The foam layer (15) is a fiber entangled sheet.
Although it is formed in the (14) and has rigidity, the rigidity is further improved by impregnating the sheet (14) with a synthetic resin.
【０００７】[0007]
【実施例】本発明を図１〜図６に示す一実施例によって
説明すれば、図１に示すようにベルトコンベア(20)上に
はロール(13A) からガラス繊維シート(13)が供給され、
該ガラス繊維シート(13)上にはポリエステル綿シート、
ポリアミド不織布、再生繊維ウェブ等の繊維絡合シート
(14)が供給され、該繊維絡合シート(14)には震動機(22)
で震動せしめられている篩(21)から発泡性ポリスチレン
ビーズ、発泡性ポリエチレンビーズ、発泡性ポリプロピ
レンビーズ等の発泡性プラスチックビーズ(15A) が散布
される。上記ガラス繊維シート(13)の目付は通常７０〜
１３０ｇ／ｍ2 、繊維絡合シート(14)の目付は通常４０
〜２００ｇ／ｍ2 、上記発泡性プラスチックビーズ(15
A) の散布量は通常３００〜６００ｇ／ｍ2 程度とす
る。EXAMPLES The present invention will be described with reference to one example shown in FIGS. 1 to 6. As shown in FIG. 1, a glass fiber sheet (13) is fed from a roll (13A) onto a belt conveyor (20). ,
Polyester cotton sheet on the glass fiber sheet (13),
Fiber entangled sheets such as polyamide nonwoven fabric and recycled fiber web
(14) is supplied, and the fiber entangled sheet (14) has a vibrator (22).
Expandable plastic beads (15A) such as expandable polystyrene beads, expandable polyethylene beads, and expandable polypropylene beads are sprayed from the sieve (21) which is shaken by. The unit weight of the glass fiber sheet (13) is usually 70-
130 g / m 2 , fiber entangled sheet (14) has a basis weight of usually 40
~ 200 g / m 2 , the expandable plastic beads (15
The spray amount of A) is usually about 300 to 600 g / m 2 .
【０００８】上記発泡性プラスチックビーズ(15A) を散
布した後、更に震動機(23)によってベルトコンベア(20)
に振動をかけ、該ビーズ(15A) が均一に繊維絡合シート
(14)に混合されるようにする。このようにしてガラス繊
維シート(13)と該ビーズ(15A) が混合された繊維絡合シ
ート(14)との積層シート(16)が製造される。After spraying the expandable plastic beads (15A), a belt conveyor (20) is further applied by a shaker (23).
The beads (15A) are uniformly entangled in the fiber by vibrating the
Be mixed in (14). Thus, the laminated sheet (16) of the glass fiber sheet (13) and the fiber entangled sheet (14) in which the beads (15A) are mixed is manufactured.
【０００９】上記積層シート(16)においてガラス繊維シ
ート(13)および／または繊維絡合シート(14)には尿素樹
脂、メラミン樹脂、ベンゾグアナミン樹脂、フェノール
樹脂、レゾルシノール樹脂、ウレタン樹脂、エポキシ樹
脂、アクリル樹脂等の合成樹脂あるいはこれらの合成樹
脂の前駆体であるモノマー、オリゴマー、プレポリマー
等が含浸されていてもよい。In the above laminated sheet (16), the glass fiber sheet (13) and / or the fiber entanglement sheet (14) are urea resin, melamine resin, benzoguanamine resin, phenol resin, resorcinol resin, urethane resin, epoxy resin, acrylic resin. It may be impregnated with a synthetic resin such as a resin or a monomer, an oligomer, a prepolymer or the like which is a precursor of these synthetic resins.
【００１０】一方図２に示すように軟質のポリウレタン
発泡体シート(12)は浸漬槽(24)に導入され、該浸漬槽(2
4)で合成樹脂の溶液またはエマルジョン(18)を含浸せし
められる。含浸せしめられる合成樹脂としては、上記ガ
ラス繊維シート(13)や繊維絡合シート(14)に含浸せしめ
られる合成樹脂または合成樹脂前駆体があるが、望まし
いものとしてはウレタン樹脂前駆体である多価イソシア
ナートがある。On the other hand, as shown in FIG. 2, the soft polyurethane foam sheet (12) is introduced into the dipping tank (24),
The solution or emulsion (18) of synthetic resin is impregnated in 4). As the synthetic resin to be impregnated, there is a synthetic resin or a synthetic resin precursor which is impregnated in the glass fiber sheet (13) or the fiber entangled sheet (14), but as the desirable one, a urethane resin precursor having a polyvalent There is an isocyanate.
【００１１】上記合成樹脂または合成樹脂前駆体は上記
ポリウレタン発泡体シート(12)に対して通常１３０〜１
８０重量％（固形分）程度に含浸せしめられ、乾燥手段
(25)によって加熱乾燥せしめられて溶媒や水を除去され
る。The synthetic resin or synthetic resin precursor is usually used in an amount of 130 to 1 with respect to the polyurethane foam sheet (12).
It is impregnated to about 80% by weight (solid content) and dried.
(25) is heated and dried to remove the solvent and water.
【００１２】乾燥後は合成樹脂前駆体として多価イソシ
アナートを用いた場合にはメラミン樹脂溶液(19)をロー
ルコーター(26)によって該ポリウレタン発泡体シート(1
2)の両面に塗布してもよいし、また単に水を散布しても
よい。上記メラミン樹脂溶液(19)は通常７０〜１００ｇ
／ｍ2 （固形分）の割合で塗布される。メラミン樹脂溶
液(19)を塗布した後はカッター(27)で所定寸法にカット
する。After drying, when a polyvalent isocyanate is used as a synthetic resin precursor, a melamine resin solution (19) is applied to the polyurethane foam sheet (1) by a roll coater (26).
It may be applied to both sides of 2), or may simply be sprinkled with water. The melamine resin solution (19) is usually 70 to 100 g.
/ M 2 (solid content). After applying the melamine resin solution (19), it is cut into a predetermined size with a cutter (27).
【００１３】上記合成樹脂含浸ポリウレタン発泡体シー
ト(12)の両面には図３に示すように上記積層シート(16)
が重合され、該重合体(17)は図４に示すようにプレス成
形機(28)によってホットプレスされて所定の形状（例え
ば自動車天井形状）に成形され内装材(11)が製造され
る。As shown in FIG. 3, the laminated sheet (16) is provided on both sides of the synthetic resin-impregnated polyurethane foam sheet (12).
The polymer (17) is hot-pressed by a press molding machine (28) as shown in FIG. 4 to be molded into a predetermined shape (for example, an automobile ceiling shape) to produce an interior material (11).
【００１４】上記ホットプレスによってポリウレタン発
泡体シート(12)あるいは積層シート(16)に含浸されてい
る合成樹脂が硬化し、または合成樹脂前駆体が合成樹脂
化しかつ硬化し、同時に繊維絡合シート(14)に混合され
ている発泡性プラスチックビーズ(15A) が軟化発泡融着
して図５に示すように発泡層(15)が形成される。By the above hot pressing, the synthetic resin impregnated in the polyurethane foam sheet (12) or the laminated sheet (16) is cured, or the synthetic resin precursor is converted into a synthetic resin and cured, and at the same time, the fiber entangled sheet ( The expandable plastic beads (15A) mixed in 14) are softened and foam-melted to form a foam layer (15) as shown in FIG.
【００１５】該発泡層(15)には繊維絡合シート(14)が混
在し、また図５に示すように繊維絡合シート(14)の密度
や厚みの小さい部分(14A) は該発泡層(15)により充填さ
れ、更に図６に示すように深絞り成形部(11A) において
は引張り力によって厚みを縮小されたポリウレタン発泡
体シート(12)部分が該発泡層(15)によって充填される。The fiber entangled sheet (14) is mixed in the foamed layer (15), and as shown in FIG. 5, the portion (14A) of the fiber entangled sheet (14) having a small density or a small thickness is the foamed layer. The polyurethane foam sheet (12) part filled with (15) and further reduced in thickness by the tensile force in the deep drawing part (11A) is filled with the foam layer (15) as shown in FIG. ..
【００１６】また発泡層(15)においては発泡したビーズ
(15A) 相互が融着しているから、該発泡層(15)は高い剛
性を有し、繊維絡合シート(14)の補強効果とも相まっ
て、ポリウレタン発泡体シート(12)の剛性を大巾に向上
せしめる。In the foam layer (15), foamed beads are used.
(15A) Since they are fused to each other, the foam layer (15) has a high rigidity, and in combination with the reinforcing effect of the fiber entanglement sheet (14), the rigidity of the polyurethane foam sheet (12) is greatly increased. To improve.
【００１７】本発明の内装材(11)の表面には更に合成皮
革、不織布、繊維編織物等の表装材が貼着されてもよ
い。On the surface of the interior material (11) of the present invention, a surface material such as synthetic leather, non-woven fabric or fiber knitted fabric may be further adhered.
【００１８】[0018]
【発明の効果】したがって本発明では表面に凹凸のない
厚みの均一な内装材が得られる。Therefore, according to the present invention, it is possible to obtain an interior material having a uniform thickness without unevenness on the surface.
【００１９】[0019]
図１〜図６は本発明の一実施例を示すものである。 1 to 6 show an embodiment of the present invention.
【図１】積層シートの製造工程図1] Manufacturing process diagram of laminated sheet
【図２】合成樹脂含浸ポリウレタン発泡体シートの製造
工程図[FIG. 2] Manufacturing process diagram of synthetic resin-impregnated polyurethane foam sheet
【図３】重合体の部分断面図FIG. 3 is a partial sectional view of a polymer.
【図４】ホットプレス工程図[Fig. 4] Hot press process diagram
【図５】内装材の部分断面図FIG. 5 is a partial cross-sectional view of the interior material.
【図６】内装材深絞り成形部分断面図FIG. 6 Partial cross-sectional view of deep drawing forming of interior material
11 内装材 12 ポリウレタン発泡体シート 14 繊維絡合シート 15A 発泡性プラスチックビーズ 15 発泡層 11 Interior material 12 Polyurethane foam sheet 14 Fiber entanglement sheet 15A Foamable plastic beads 15 Foam layer
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成４年７月３０日[Submission date] July 30, 1992
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１９[Name of item to be corrected] 0019
【補正方法】削除[Correction method] Delete
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｃ 43/20 7365−4Ｆ Ｂ２９Ｋ 75:00 105:04 105:08 Ｂ２９Ｌ 9:00 4Ｆ 31:58 4Ｆ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location B29C 43/20 7365-4F B29K 75:00 105: 04 105: 08 B29L 9:00 4F 31:58 4F
Claims (2)
た繊維絡合シートを合成樹脂含浸ポリウレタンシートと
重合してホットプレスすることにより該発泡性プラスチ
ックビーズを発泡融着せしめるとともに所定形状に成形
することを特徴とする内装材の製造方法1. A fiber-entangled sheet having foamable plastic beads mixed therein is polymerized with a synthetic resin-impregnated polyurethane sheet and hot-pressed so that the foamable plastic beads are foam-melted and molded into a predetermined shape. Of interior material
れている請求項１に記載の内装材の製造方法2. The method for producing an interior material according to claim 1, wherein the fiber entangled sheet is impregnated with a synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4085900A JP2502951B2 (en) | 1992-03-06 | 1992-03-06 | Manufacturing method of interior materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4085900A JP2502951B2 (en) | 1992-03-06 | 1992-03-06 | Manufacturing method of interior materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05245944A true JPH05245944A (en) | 1993-09-24 |
| JP2502951B2 JP2502951B2 (en) | 1996-05-29 |
Family
ID=13871741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4085900A Expired - Lifetime JP2502951B2 (en) | 1992-03-06 | 1992-03-06 | Manufacturing method of interior materials |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2502951B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI566926B (en) * | 2013-10-08 | 2017-01-21 | Hsin Yung Chien Co Ltd | Method for manufacturing fiber reinforced sheet |
-
1992
- 1992-03-06 JP JP4085900A patent/JP2502951B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2502951B2 (en) | 1996-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19960123 |