JPH10273862A - Raw fabric of base material for interior use - Google Patents
Raw fabric of base material for interior useInfo
- Publication number
- JPH10273862A JPH10273862A JP9094642A JP9464297A JPH10273862A JP H10273862 A JPH10273862 A JP H10273862A JP 9094642 A JP9094642 A JP 9094642A JP 9464297 A JP9464297 A JP 9464297A JP H10273862 A JPH10273862 A JP H10273862A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- melting point
- melting
- layer
- low
- 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.)
- Withdrawn
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- Laminated Bodies (AREA)
- Manufacturing Of Multi-Layer Textile Fabrics (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は例えば自動車の天井
材、ドアトリム、リヤパーセル等の内装材の基材の原反
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a raw material of a base material of an interior material such as a ceiling material, a door trim and a rear parcel of an automobile.
【０００２】[0002]
【発明が解決しようとする課題】従来、内装材の基材と
しては、合成樹脂含浸ポリウレタン発泡体シートや再生
繊維をフェノール樹脂で結着したレジンフェルト等が使
用されているが、合成樹脂含浸ポリウレタン発泡体シー
トは剛性に不足しており、したがってガラス繊維による
補強が必要であるが、ガラス繊維を補強に使用すれば、
ガラス繊維小片の散乱による作業環境の悪化の問題、あ
るいはコストアップの問題があり、レジンフェルトは重
量が大でかつ成形温度が高く、また加熱成形時にフェノ
ール樹脂の分解による悪臭が発生して作業環境を悪化せ
しめると言う問題点がある。Conventionally, a synthetic resin impregnated polyurethane foam sheet or resin felt in which regenerated fibers are bound with a phenol resin has been used as a base material for the interior material. Foam sheets are inadequate in rigidity and therefore need to be reinforced with glass fibers, but if glass fibers are used for reinforcement,
There is a problem of deteriorating the work environment due to scattering of glass fiber pieces or a problem of cost increase.Resin felt is heavy and has a high molding temperature. There is a problem that it worsens.
【０００３】[0003]
【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、融点が２００℃以下の低
融点繊維１００〜７０重量％と、融点が２３０℃以上の
高融点繊維０〜３０重量％とからなる高剛性層(2) と、
上記低融点繊維１０〜６０重量％と上記高融点繊維９０
〜４０重量％とからなる成形層(3) とを積層した内装基
材原反(1) を提供するものである。該低融点繊維の望ま
しい太さは２〜６デニールであり、該高融点繊維の望ま
しい太さは２〜２０デニールであり、また高剛性層(2)
と成形層(3) の繊維配向方向は所望により略同一方向ま
たは略直交するようにされている。According to the present invention, as a means for solving the above-mentioned conventional problems, 100 to 70% by weight of a low-melting fiber having a melting point of 200 ° C. or less and a high-melting fiber having a melting point of 230 ° C. or more A high-stiffness layer (2) comprising up to 30% by weight;
10 to 60% by weight of the low melting point fiber and 90 of the high melting point fiber
To provide a raw material (1) for an interior base material in which a molded layer (3) comprising up to 40% by weight is laminated. The desirable thickness of the low melting point fiber is 2 to 6 denier, the desirable thickness of the high melting point fiber is 2 to 20 denier, and the high rigidity layer (2)
The fiber orientation directions of the molding layer (3) and the molding layer (3) are set to be substantially the same direction or substantially orthogonal as desired.
【０００４】[0004]
【発明の実施の形態】本発明の内装基材原反(1) は図１
に示すように高剛性層(2) と成形層(3) とからなる。該
高剛性層(2) は結果物である内装材基材に高剛性を与
え、該成形層(3) は原反(1) に成形性を与える。該高剛
性層(2) は融点が２００℃以下の低融点繊維からなる
が、該低融点繊維には３０重量％以下の混合量で融点が
２３０℃以上の高融点繊維が添加されてもよい。BEST MODE FOR CARRYING OUT THE INVENTION The interior substrate material (1) of the present invention is shown in FIG.
As shown in (1), it comprises a highly rigid layer (2) and a molded layer (3). The high rigidity layer (2) gives high rigidity to the resulting interior material base material, and the molded layer (3) gives formability to the raw material (1). The high-rigid layer (2) is made of low-melting fiber having a melting point of 200 ° C. or less, and high-melting fiber having a melting point of 230 ° C. or more may be added to the low-melting fiber in a mixing amount of 30% by weight or less. .
【０００５】該低融点繊維としては、例えば融点が２０
０℃以下のポリエステル繊維、ポリアミド繊維、ポリエ
チレン繊維、ポリプロピレン繊維等が使用され、該低融
点繊維の望ましい太さは２〜６デニールであり、該高融
点繊維としては、例えば融点が２３０℃以上のポリエス
テル繊維、ポリアミド繊維等が使用され、該高融点繊維
の望ましい太さは２〜２０デニールである。また低融点
繊維としては低融点繊維成分を鞘成分として含み高融点
繊維成分を芯成分として含む鞘芯型複合繊維や低融点繊
維成分と高融点繊維成分とのサイドバイサイド型複合繊
維を使用してもよい。[0005] As the low melting point fiber, for example, the melting point is 20
0 ° C or less polyester fiber, polyamide fiber, polyethylene fiber, polypropylene fiber or the like is used, the desirable thickness of the low-melting fiber is 2 to 6 denier, and the high-melting fiber has, for example, a melting point of 230 ° C or more. Polyester fiber, polyamide fiber or the like is used, and the desirable thickness of the high melting point fiber is 2 to 20 denier. As the low-melting fiber, a sheath-core composite fiber containing a low-melting fiber component as a sheath component and a high-melting fiber component as a core component or a side-by-side conjugate fiber of a low-melting fiber component and a high-melting fiber component may be used. Good.
【０００６】成形層(3) としては、上記低融点繊維１０
〜６０重量％と、上記高融点繊維９０〜４０重量％の混
合繊維が使用される。As the molding layer (3), the low melting point fiber 10
A mixed fiber of about 60% by weight and 90 to 40% by weight of the high melting point fiber is used.
【０００７】上記高剛性層(2) の目付量は通常１５０〜
３５０ｇ／ｍ2 とされ、上記成形層(3) の目付量は通常
６５０〜１１５０ｇ／ｍ2 とされ、該高剛性層(2) と該
成形層(3) との繊維配向方向は特に限定されないが、所
定方向（例えばｘ方向）に高曲げ強度を要求される場合
は、両層(2,3) の繊維配向方向を略同一方向（ｘ方向）
とし、ｘ−ｙ両方向に同程度の曲げ強度を要求される場
合には、両層(2,3) の繊維配向方向を略直交させる。The basis weight of the high rigidity layer (2) is usually 150 to
350 g / m 2 , the basis weight of the molded layer (3) is usually 650 to 1150 g / m 2 , and the fiber orientation direction of the highly rigid layer (2) and the molded layer (3) is not particularly limited. However, when high bending strength is required in a predetermined direction (for example, the x direction), the fiber orientation directions of both layers (2, 3) should be substantially the same direction (the x direction).
When the same bending strength is required in both the xy directions, the fiber orientation directions of both layers (2, 3) are made substantially orthogonal.
【０００８】更に該高剛性層(2) および該成形層(3) は
ウェブあるいはフリース状であっても、あるいはニード
ルパンチングによって絡合されていてもよい。またウェ
ブあるいはフリース状の両層(2,3) を重合してからニー
ドルパンチングを行なってもよい。Further, the high-rigidity layer (2) and the molding layer (3) may be in the form of a web or fleece, or may be entangled by needle punching. Needle punching may be performed after both the web or fleece layers (2, 3) are polymerized.
【０００９】本発明の内装基材原反(1) を製造するに
は、上記高剛性層(2) と上記成形層(3) とを重合し、該
重合物を加熱押圧する。加熱押圧は加熱した後ロールプ
レスやコンベアプレスによる押圧、あるいは加熱したロ
ールプレスやコンベアプレスによって行なわれる。この
場合の加熱温度は両層(2,3) に含まれている低融点繊維
の融点以上、高融点繊維の融点以下に設定する。該重合
物の加熱は通常該重合物を金網に載置するかチャックで
把持して熱風を送通する方法が採用される。上記加熱押
圧によって両層(2,3) の低融点繊維が溶融して高融点繊
維を結着するが、高剛性層(2) にあっては低融点繊維の
溶融物が多く含まれているから、該溶融物による高剛性
が付与される。このようにして製造された原反(1) の厚
みは押圧条件によって調節されるが、通常２０〜５０mm
程度の厚みにされる。In order to produce the interior substrate material (1) of the present invention, the high rigidity layer (2) and the molding layer (3) are polymerized, and the polymer is heated and pressed. The heating and pressing may be performed by a roll press or a conveyor press after heating, or by a heated roll press or a conveyor press. In this case, the heating temperature is set to be equal to or higher than the melting point of the low melting point fiber and equal to or lower than the melting point of the high melting point fiber included in both layers (2, 3). For heating the polymer, a method is usually employed in which the polymer is placed on a wire net or gripped with a chuck to send hot air. The low-melting fibers of both layers (2, 3) are melted by the heating and pressing to bind the high-melting fibers, but the high-stiffness layer (2) contains a large amount of low-melting fiber melts. Thus, high rigidity is imparted by the melt. The thickness of the raw material (1) manufactured in this manner is adjusted depending on the pressing conditions.
It is made about the thickness.
【００１０】上記内装基材原反(1) は加熱成形によって
所定形状に成形され内装基材が製造されるが、加熱成形
法としては上記原反(1) を加熱してから冷間押圧成形す
るか、あるいは加熱押圧成形する。この際の加熱温度は
両層(2,3) の低融点繊維融点以上、望ましくは高融点繊
維の融点以下とする。上記加熱によって両層(2,3) の低
融点繊維が溶融して特に成形層(3) が軟化して原反(1)
に成形性を与える。上記加熱成形の場合には原反(1) を
製造する際の予熱を利用してもよい。[0010] The raw material (1) for the interior substrate is formed into a predetermined shape by heat molding to produce an interior substrate. The heat molding method involves heating the material (1) and then cold pressing. Or heat-press molding. The heating temperature at this time is higher than the melting point of the low-melting fiber of both layers (2, 3), preferably lower than the melting point of the high-melting fiber. The above heating melts the low-melting fibers of both layers (2, 3), softening the molded layer (3), and especially the raw material (1).
Gives moldability. In the case of the above-mentioned heat molding, preheating at the time of producing the raw material (1) may be used.
【００１１】上記加熱成形時、該原反(1) に表皮材を重
ねて成形と同時に該表皮材を該原反(1) に圧着してもよ
い。この場合該表皮材にポリエチレンシートやポリアミ
ドシートのようなホットメルトシートを裏打ちして、該
ホットメルトシートを介して表皮材を原反(1) に圧着し
てもよいが、該ホットメルトシートを裏打ちせず、該表
皮材を該原反(1) の高剛性層(2) 側に重合し、加熱成形
時に該高剛性層(2) に含まれる低融点繊維の溶融物によ
って圧着してもよい。At the time of the heat molding, a skin material may be overlaid on the material (1), and the skin material may be pressed on the material (1) at the same time as molding. In this case, the skin material may be lined with a hot melt sheet such as a polyethylene sheet or a polyamide sheet, and the skin material may be pressure-bonded to the raw material (1) via the hot melt sheet. Without backing, the skin material is polymerized on the side of the high rigidity layer (2) of the raw material (1), and is pressed by a melt of the low melting point fiber contained in the high rigidity layer (2) at the time of heat molding. Good.
【００１２】該表皮材を該原反(1) 成形と同時に圧着す
る場合、該表皮材が通気性のないものである場合には、
押圧成形の他に真空成形あるいは真空押圧成形も適用出
来る。該表皮材としては、例えば人工皮革、レザー、繊
維編織物、不織布、あるいはこれらとポリウレタン発泡
体、ポリエチレン発泡体、ポリプロピレン発泡体、ポリ
塩化ビニル発泡体等のプラスチック発泡体との積層材等
がある。When the skin material is pressure-bonded simultaneously with the forming of the raw material (1), when the skin material is not air-permeable,
In addition to press molding, vacuum molding or vacuum press molding can also be applied. Examples of the skin material include artificial leather, leather, fiber knitted and woven fabrics, nonwoven fabrics, and laminates of these with plastic foams such as polyurethane foams, polyethylene foams, polypropylene foams, and polyvinyl chloride foams. .
【００１３】〔実施例１〕高剛性層(2) は融点１６０℃
のポリエステル繊維（低融点繊維）フリースからなり、
目付量は２００ｇ／ｍ2 であり、成形層(3) は融点１６
０℃のポリエステル繊維（低融点繊維）と融点２６０℃
のポリエステル繊維（高融点繊維）との混合フリースか
らなり、目付量は９００ｇ／ｍ2 である。上記フリース
(2,3) は図２に示すように図示しないフリース製造機か
ら金網コンベア(5) 上に繊維配向方向を直交させて相互
重合状態でフォーミングされ、加熱チャンバー(6) 内で
熱風送通路(7) から２００℃の熱風を送通され、両層
(2,3) に含まれる低融点繊維を軟化溶融状態とした上
で、図３に示すようにコンベアプレス(7) で押圧され、
厚さ３０mmに調節された原反(1) を得る。この場合、低
融点繊維の太さを前記したように２〜６デニールの範囲
に設定して細めにすると、加熱溶融効率が高くなる。該
原反(1) はコンベアプレス(7) の後段で切断機(8) によ
って所定寸法に切断される。Example 1 The high-rigid layer (2) has a melting point of 160 ° C.
Made of polyester fiber (low melting point fiber) fleece,
The basis weight was 200 g / m 2 , and the molding layer (3) had a melting point of 16
0 ° C polyester fiber (low melting point fiber) and melting point 260 ° C
Of polyester fiber (high-melting-point fiber), and has a basis weight of 900 g / m 2 . Fleece above
As shown in FIG. 2, (2, 3) is formed from a fleece manufacturing machine (not shown) on a wire mesh conveyor (5) in a cross-polymerized state with the fiber orientation directions orthogonal to each other, and a hot air passage ( 7) Hot air of 200 ° C is sent from
The low-melting fiber contained in (2,3) was softened and melted and pressed by a conveyor press (7) as shown in FIG.
A raw material (1) adjusted to a thickness of 30 mm is obtained. In this case, when the thickness of the low melting point fiber is set to a value in the range of 2 to 6 deniers as described above, the heat melting efficiency increases. The blank (1) is cut to a predetermined size by a cutting machine (8) at a stage subsequent to the conveyor press (7).
【００１４】該原反(1) は例えば１８０℃の加熱炉で１
分程度加熱され、含有する低融点繊維を軟化溶融状態と
した上で、図４に示すようなプレス成形機(9) の上型(1
0)と下型(11)との間で冷間挾圧し、例えば自動車の天井
形状に成形する。The raw material (1) is heated at 180 ° C. in a heating furnace, for example.
After heating for about one minute to make the contained low-melting fiber softened and molten, the upper mold (1) of a press molding machine (9) as shown in FIG.
0) and the lower mold (11) are cold pressed to form, for example, an automobile ceiling shape.
【００１５】このようにして図５に示すような自動車の
天井基材(4) が製造されるが、上記天井基材(4) の厚み
は図６に示すように中央部分では２０mm程度に設定して
低密度とし、断熱遮音性を付与し、両縁部分では５mm以
下に設定して高密度とし、リブ効果による補強を図る。
上記天井基材(4) は次いで図示しない圧着型によって表
皮材を圧着され、自動車天井材とされる。The ceiling base material (4) for an automobile as shown in FIG. 5 is manufactured in this manner, and the thickness of the ceiling base material (4) is set to about 20 mm at the center as shown in FIG. In order to provide a low density, to provide heat insulation and sound insulation, and to set a high density of 5 mm or less at both edge portions, and to reinforce by a rib effect.
The ceiling base material (4) is then pressure-bonded with a skin material by a pressure-bonding die (not shown) to form an automobile ceiling material.
【００１６】〔実施例２〕高剛性層(2) は融点１４０℃
のポリプロピレン繊維（低融点繊維）と融点２５０℃の
ポリアミド繊維（高融点繊維）との８０：２０重量比の
混合繊維からなり、成形層(3) は融点１４０℃のポリプ
ロピレン繊維（低融点繊維）と融点２５０℃のポリエス
テル繊維（高融点繊維）とからなり、両層共にニードル
パンチングによって絡合された上で繊維配向方向を長手
方向に一致させて重合され、実施例１と同様に２００℃
の熱風により加熱された上でプレスされ、厚さ３０mmの
原反(1) を得る。該原反(1) は実施例１と同様に加熱後
冷間プレスによって例えばドアトリム形状に成形され
る。Example 2 The high-rigid layer (2) has a melting point of 140 ° C.
Made of a mixed fiber of polypropylene fiber (low melting point fiber) and polyamide fiber (high melting point fiber) having a melting point of 250 ° C. in a weight ratio of 80:20, and the molding layer (3) is a polypropylene fiber (low melting point fiber) having a melting point of 140 ° C. And polyester fiber (high melting point fiber) having a melting point of 250 ° C. Both layers are entangled by needle punching and then polymerized with the fiber orientation direction aligned with the longitudinal direction.
After being heated by the hot air, the raw material is pressed to obtain a raw material (1) having a thickness of 30 mm. The raw material (1) is formed into, for example, a door trim shape by a cold press after heating as in the first embodiment.
【００１７】〔実施例３〕実施例１の低融点繊維に代え
て１６０℃のポリエステル成分を鞘とし、２５０℃のポ
リエステル成分を芯とした鞘芯型複合繊維を使用する
と、より剛性に優れた天井基材が得られる。Example 3 In place of the low melting point fiber of Example 1, a sheath-core type composite fiber having a polyester component at 160 ° C. as a sheath and a polyester component at 250 ° C. as a core is used to obtain more rigidity. A ceiling substrate is obtained.
【００１８】[0018]
【発明の効果】本発明の原反は低温成形が可能でかつ該
原反を使用した成形物は剛性に優れ形状安定性に富みそ
して軽量である。また原反製造時あるいは成形時におい
て有害ガスや臭気を発生することがないので、作業環境
を悪化させない。The raw material of the present invention can be formed at a low temperature, and a molded product using the raw material has excellent rigidity, excellent shape stability and light weight. Further, no harmful gas or odor is generated during the production or molding of the raw material, so that the working environment is not deteriorated.
図１〜図６は本発明の一具体例を示すものである。 1 to 6 show one specific example of the present invention.
【図１】原反断面図FIG. 1 is a cross-sectional view of a raw sheet.
【図２】加熱工程説明図FIG. 2 is an explanatory view of a heating step.
【図３】プレス工程説明図FIG. 3 is an explanatory view of a pressing process.
【図４】成形工程説明図FIG. 4 is an explanatory view of a molding process.
【図５】天井基材説明図FIG. 5 is an explanatory view of a ceiling base material.
【図６】図５におけるＡ−Ａ断面図6 is a sectional view taken along line AA in FIG.
1 内装基材原反 2 高剛性層 3 成形層 1 Raw material of interior substrate 2 High rigidity layer 3 Molding layer
Claims (4)
７０重量％と、融点が２３０℃以上の高融点繊維０〜３
０重量％とからなる高剛性層と、上記低融点繊維１０〜
６０重量％と上記高融点繊維９０〜４０重量％とからな
る成形層とを積層したことを特徴とする内装基材原反1. A low melting point fiber having a melting point of 200 ° C. or less.
70% by weight, high melting point fiber having a melting point of 230 ° C. or more 0-3
0% by weight of the high-rigidity layer,
A raw material for an interior substrate, comprising a molded layer comprising 60% by weight and a high-melting fiber 90 to 40% by weight.
り、該高融点繊維の太さは２〜２０デニールである請求
項１に記載の内装基材原反2. The raw material for an interior substrate according to claim 1, wherein the thickness of the low-melting fiber is 2 to 6 denier, and the thickness of the high-melting fiber is 2 to 20 denier.
一方向とされている請求項１または２に記載の内装基材
原反3. The raw material of an interior base material according to claim 1, wherein the fiber orientation directions of the high-rigid layer and the molded layer are substantially the same.
交している請求項１または２に記載の内装基材原反4. The raw material for an interior base material according to claim 1, wherein the fiber orientation directions of the high-rigidity layer and the molding layer are substantially perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9094642A JPH10273862A (en) | 1997-03-28 | 1997-03-28 | Raw fabric of base material for interior use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9094642A JPH10273862A (en) | 1997-03-28 | 1997-03-28 | Raw fabric of base material for interior use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10273862A true JPH10273862A (en) | 1998-10-13 |
Family
ID=14115925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9094642A Withdrawn JPH10273862A (en) | 1997-03-28 | 1997-03-28 | Raw fabric of base material for interior use |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10273862A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011094273A (en) * | 2009-11-02 | 2011-05-12 | Kb Seiren Ltd | Leather-like sheet-like laminate |
| JP2022505905A (en) * | 2019-10-17 | 2022-01-14 | 三香科技股▲ふん▼有限公司 | Box structure |
-
1997
- 1997-03-28 JP JP9094642A patent/JPH10273862A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011094273A (en) * | 2009-11-02 | 2011-05-12 | Kb Seiren Ltd | Leather-like sheet-like laminate |
| JP2022505905A (en) * | 2019-10-17 | 2022-01-14 | 三香科技股▲ふん▼有限公司 | Box structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20040601 |