JPS6371448A - Automobile trim material - Google Patents
Automobile trim materialInfo
- Publication number
- JPS6371448A JPS6371448A JP21526986A JP21526986A JPS6371448A JP S6371448 A JPS6371448 A JP S6371448A JP 21526986 A JP21526986 A JP 21526986A JP 21526986 A JP21526986 A JP 21526986A JP S6371448 A JPS6371448 A JP S6371448A
- Authority
- JP
- Japan
- Prior art keywords
- base material
- resin
- skin material
- polypropylene resin
- ionomer resin
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 71
- 229920005989 resin Polymers 0.000 claims abstract description 50
- 239000011347 resin Substances 0.000 claims abstract description 50
- -1 polypropylene Polymers 0.000 claims abstract description 32
- 239000004743 Polypropylene Substances 0.000 claims abstract description 30
- 229920001155 polypropylene Polymers 0.000 claims abstract description 30
- 229920000554 ionomer Polymers 0.000 claims abstract description 17
- 239000004745 nonwoven fabric Substances 0.000 claims description 22
- 239000011247 coating layer Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 abstract description 12
- 230000001070 adhesive effect Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 abstract description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract description 2
- 229910052725 zinc Inorganic materials 0.000 abstract description 2
- 150000001455 metallic ions Chemical class 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 17
- 239000010410 layer Substances 0.000 description 11
- 229920000728 polyester Polymers 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 206010040844 Skin exfoliation Diseases 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920002821 Modacrylic Polymers 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は自動車内装材、詳しくは自動車の天井材、ドア
トリム、リヤパッケージ、トランクルーム等の内装に用
いられる改良された自動車内装材に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an automobile interior material, specifically an improved automobile interior material used for the interior of automobile ceiling materials, door trims, rear packages, trunk rooms, etc. .
従来自動車の内装材としては、シボ付ポリ塩化ビニール
シートとポリウレタンフォームとの積層材、繊維編織布
或はその起毛布、ポリ塩化ビニールシート他各種樹脂シ
ートに短繊維を植毛したフロンキー加工品等が使用され
ているが、近年自動車内装の用途に於いては、軽量化、
低価格化、ファブリック化、高品質化が高上υ。Conventional interior materials for automobiles include laminated materials of textured polyvinyl chloride sheets and polyurethane foam, fiber knitted and woven fabrics or their raised fabrics, and fronty processed products made by flocking short fibers onto polyvinyl chloride sheets and other various resin sheets. However, in recent years, weight reduction,
Lower prices, fabrics, and higher quality are all on the rise.
不織布表皮材が用いられるようになって来た。Non-woven skin materials have come into use.
特に天井材、ドアトリム、リヤパッケージ、トランクル
ーム等は通常加熱プレス機による成型加工が行われ、そ
の加工適応性の良さから不織布使用の傾向がますます高
１っている。例えば特開昭６０−８９３４７号公報には
ポリエステル等の不織布よりなる表皮材と該表皮材より
も密度の小さいポリエステル等の不織布よりなる基材と
を積み重ね、ニードルバンチ等の絡み合せ手段によシ相
互に固定した後、上記基材上にポリプロピレン等の樹脂
をコーティングせしめ、熱プレス等の成形手段により成
形した樹脂コーティング成形天井が開示されている。又
、特開昭５９−１０３７４４号公報には上層にポリエス
テル等の化学繊維を一種或いは複数種を単独又は混合し
てなる繊維マット３層と、下層に上記化学繊維と比較的
低温度により熱収縮を引起すポリプロピレン繊維等の熱
収縮性繊維を少なくとも１０俤以上含有する繊維との混
合よりなる繊維マツ１− ｂ層とを重ねた複層マットを
基層となし、−Ｆ層方向からのみのニードルパンチング
加］ニによってｂ層の下面に少なくともａ層繊維よりな
るパイル層ａを形成すると共に、基層に含まれる熱収縮
性繊維全熱収縮させてち密化してなる内装用表皮材が開
示されている。In particular, ceiling materials, door trims, rear packages, trunk rooms, etc. are usually molded using a hot press machine, and the use of nonwoven fabrics is becoming more and more popular due to its good processing adaptability. For example, in Japanese Patent Application Laid-Open No. 60-89347, a skin material made of a non-woven fabric such as polyester and a base material made of a non-woven fabric such as polyester having a density lower than that of the skin material are stacked together, and the skin material is stacked by intertwining means such as needle bunches. A resin-coated molded ceiling is disclosed in which the base material is coated with a resin such as polypropylene after being fixed to each other, and then molded by a molding means such as a hot press. In addition, JP-A-59-103744 discloses that the upper layer has three layers of fiber mat made of one or more types of chemical fibers such as polyester, singly or mixed, and the lower layer has the above chemical fibers and is heat-shrinkable at a relatively low temperature. The base layer is a multi-layer mat consisting of fiber pine 1-B layer, which is made by mixing with fibers containing at least 10 layers of heat-shrinkable fibers such as polypropylene fibers that cause A skin material for interior decoration is disclosed in which a pile layer a made of at least layer A fibers is formed on the lower surface of layer B by punching, and the heat-shrinkable fibers contained in the base layer are completely heat-shrinked and densified. .
しかしながら、前記特開昭６０−８９３４７号公報の樹
脂コーティング成形天井はコーティングしたポリプロピ
レン等の樹脂とポリエステル等の不織布との接層性が充
分ではない。又、前記特開昭５９−１０３７４４号公報
の内装用表皮材は不織布のみからなり、樹脂コーティン
グ層を有しないため剛性が低く、例えばこの捷ま天井材
として使用するにはかなりの厚さが必要となり重くなる
。However, the resin-coated molded ceiling disclosed in JP-A-60-89347 does not have sufficient contact between the coated resin such as polypropylene and the nonwoven fabric such as polyester. Furthermore, the interior skin material disclosed in JP-A-59-103744 is made only of non-woven fabric and does not have a resin coating layer, so it has low rigidity and, for example, requires a considerable thickness to be used as a twisted ceiling material. It gets heavier.
即ち、軽は且つ低価格なポリプロピレン樹脂基材と、耐
久性、耐熱性及び耐寒性に優れ且つ前記ポリプロピレン
屑材に対して優れた接着力を有する不織布暴利とを一体
に積層（−だ内装材は従来知られていなかった。That is, a lightweight and low-cost polypropylene resin base material and a nonwoven fabric material that has excellent durability, heat resistance, and cold resistance, and has excellent adhesion to the polypropylene scrap material are laminated together. was previously unknown.
本発明はこのような現状に鑑み、上記従来技術における
問題点全解決するためなされたものであり、その目的と
するところは、ポリスプロピレノ樹脂基拐と不織布表皮
材とを用い、該ポリプロピレン樹脂基材に対する不織布
表装材の接着力を大巾に改善せしめ、封つ、この効果が
長期にわたり持続する自動車内装材を１是供することに
ある。In view of the current situation, the present invention has been made to solve all the problems in the above-mentioned prior art.The purpose of the present invention is to use a polypropylene resin substrate and a nonwoven fabric skin material, To provide an automobile interior material that greatly improves the adhesive strength of a nonwoven fabric facing material to a base material, seals it, and maintains this effect for a long period of time.
即ち本発明の自動車内装材は、ポリプロピレン樹脂から
なる暴利と不織布表装材とを、１平方メートル当り５〜
８０２のアイオノマー樹脂を含む塗布層を介して一体に
接着してなることを！特徴とする。That is, the automobile interior material of the present invention contains the profiteering material made of polypropylene resin and the nonwoven fabric covering material at a rate of 5 to 5 per square meter.
They are bonded together through a coating layer containing 802 ionomer resin! Features.
ポリプロピレン樹脂暴利との接着部となる片面に、１平
方メートル当り５〜８０２好捷しくけ２０〜４０２のア
イオノマー樹脂、例えばエチレン−アクリル酸共重合体
樹脂をスプレー加工５コーテイング加工、プリント加工
等の加工手段により塗布して得られる不織布表皮材は、
該アイオノマー樹脂中に含まれるカルボキシル基とＭｇ
、 Ｋ、 Ｎａ、 Ｚｎなどの金属イオンとの分子間結
合力により、ポリプロピレンよりなる樹脂基材との接着
強度を一段と縄めることかでき、長期にわたりその接着
強度全持続させることができる。Spray 5 to 802 ionomer resin, such as ethylene-acrylic acid copolymer resin, at a rate of 20 to 402 per square meter on one side, which will be the adhesive part with the polypropylene resin, 5. Processing such as coating, printing, etc. The nonwoven fabric skin material obtained by applying the method is
The carboxyl group and Mg contained in the ionomer resin
, K, Na, Zn, and other metal ions, the adhesive strength with the resin base material made of polypropylene can be further improved, and the full adhesive strength can be maintained for a long period of time.
アイオノマー樹脂の塗布量を５９／′Ｗ？未満とした場
合は、ポリプロピレン樹脂基材との十分なる接着強度が
得られず、成形時に剥離の問題が生じるので好ましくな
く、又８０ｙ／ｙｙ／全越えるとコストアップになるだ
けでなく、不織布表皮材の伸びを減少させ成形性に問題
を生じるので好ましくない。Is the amount of ionomer resin applied 59/'W? If it is less than 80y/yy/all, it is not preferable because sufficient adhesive strength with the polypropylene resin base material will not be obtained and peeling problems will occur during molding, and if it exceeds 80y/yy/total, not only will the cost increase, but the nonwoven fabric surface This is not preferable because it reduces the elongation of the material and causes problems in formability.
捷だ本発明に使用される不織布表皮材としては通常この
分野で使用されているものであってよく、化学繊維例え
ばポリエステル、ポリアミド、アクリル、ポリプロピレ
ン、芳香族ポリアミド、塩化ビニル系、モダアクリル等
の合成繊維、レーヨン、アセテート等の半合成繊維、綿
、羊毛等の天然繊維、ガラス繊維、セラミック繊維等の
無機繊維等を夫々単独又は複数種組合わせて形成する繊
維マントラニードルパンチ加工し、構成繊維相互を絡み
合わせた不織布を使用する。The nonwoven fabric skin material used in the present invention may be one commonly used in this field, including synthetic fibers such as polyester, polyamide, acrylic, polypropylene, aromatic polyamide, vinyl chloride, modacrylic, etc. Fibers made of semi-synthetic fibers such as rayon and acetate, natural fibers such as cotton and wool, and inorganic fibers such as glass fibers and ceramic fibers, each singly or in combination, are needle-punched and the constituent fibers are mutually bonded. A non-woven fabric made of intertwined materials is used.
以下本発明の実施例を比較例と共に詳細に説明する。 Examples of the present invention will be described in detail below along with comparative examples.
なお、本発明は下記実施例に限定されるものではない。Note that the present invention is not limited to the following examples.
予め所要の色例えばグレー色に染色されたポリエステル
繊維３ｄＸ５１ｍ（繊維径３デニール、カット長５１■
）よりなる積層クロスウェブをニードルパンチ機により
、打込み深さ１０１で上下方向より３００パンチ／ｄの
ニードルパンチ加工を行い、目付２００ ？／−１厚さ
２．０簡の不織布表皮材を得た。Polyester fiber 3d x 51m (fiber diameter 3 denier, cut length 51cm) pre-dyed in the desired color, e.g. gray
) was needle punched with a needle punching machine at a depth of 101 and a rate of 300 punches/d from the top and bottom, resulting in a fabric weight of 200? /-1 A nonwoven skin material having a thickness of 2.0 sheets was obtained.
次にこの不織布表皮材の片面にアイオノマー樹脂例えば
エチレン−アクリル酸共重合体樹脂全３ｏｒ／ｉ（固形
分付着量）散布により付着せしめた。。Next, an ionomer resin, such as an ethylene-acrylic acid copolymer resin, was applied to one side of the non-woven skin material by spraying at a total amount of 3 or/i (solid content adhesion). .
史に該不織布表皮材のアイオノマー樹脂付着面にポリプ
ロピレン樹脂フィルムを、ポリプロピレン樹脂フィルム
の押出し温度２３０℃、速度５ ＠ ／ ｍ 、フィル
ム厚さ２００μでＴダイより押出し、ラミネート接着さ
せた。第１図はこのようにして形成された本発明の自動
車内装材の断面図であり、図中、１は不織布表皮材、２
はアイオノマー樹脂塗布層、６はポリプロピレン樹脂フ
ィルムからなる基材である。A polypropylene resin film was extruded from a T-die at an extrusion temperature of 230° C., a speed of 5@/m, and a film thickness of 200 μm to bond the ionomer resin to the ionomer resin-attached surface of the nonwoven fabric skin material. FIG. 1 is a sectional view of the automobile interior material of the present invention formed in this way, in which 1 is a nonwoven fabric skin material, 2
6 is an ionomer resin coating layer, and 6 is a base material made of a polypropylene resin film.
捷だ、第２図は本発明の自動車内装材の他の実施例分水
し５図中１は不織布表皮材、２はアイオノマー樹脂塗布
層、５はポリプロピレン樹脂フィルム、４はポリプロピ
レン樹脂フオームを示す。Figure 2 shows another embodiment of the automotive interior material of the present invention. In Figure 5, 1 shows a nonwoven skin material, 2 shows an ionomer resin coating layer, 5 shows a polypropylene resin film, and 4 shows a polypropylene resin foam. .
本実施例においては上記第１の実施例のポリプロピレン
樹脂フィルム側に、更に厚さ６■、発泡倍率２０倍のポ
リプロピレンフオームｉ７レームラミネートさせて自動
本内装材とした。In this example, a polypropylene foam i7 frame having a thickness of 6 cm and a foaming ratio of 20 times was further laminated on the polypropylene resin film side of the first example to obtain an automatic main interior material.
比較例：
実施例と同様に形成した不織布表皮材の片面にアクリル
酸エステル系樹脂３０ ？／ｒｒ？ ’ｆ散篇ζり付着
せしめ、実施例と同様にしてポリプロピレン樹脂フィル
ムを一体に積層接宥し自動車内装材を得た。Comparative Example: A nonwoven skin material formed in the same manner as in the example was coated with 30% acrylic ester resin on one side. /rr? A polypropylene resin film was laminated together in the same manner as in the example to obtain an automobile interior material.
実施例と比較例の自動車内装材の、不織布表皮材とポリ
プロピレン樹脂基材との接着強度を下記表に示す。The table below shows the adhesive strength between the nonwoven fabric skin material and the polypropylene resin base material of the automobile interior materials of Examples and Comparative Examples.
接着強度（ｋｙ／２５關）
（１）熱劣化条件二８５℃×４０Ｏｈ
（２）湿熱劣化条件：５０℃ｘ４００ｈｘ９５チＲ１−
１本発明の自動車内装材は上記表に示す如く不織布表皮
材とポリプロピレン樹脂フィルム基材との接泊力にすぐ
れると共に靭性、レジリエンスにすぐれ加工性が良く、
加熱成形時シワ入りが発生せず熱成形性の優れた自動車
内装材を得ることが出来た。Adhesive strength (ky/25 degrees) (1) Heat deterioration conditions: 285℃ x 40Ohh (2) Humid heat degradation conditions: 50℃ x 400h x 95cm R1-
1. As shown in the table above, the automotive interior material of the present invention has excellent adhesion between the nonwoven fabric skin material and the polypropylene resin film base material, has excellent toughness and resilience, and has good processability.
It was possible to obtain an automobile interior material with excellent thermoformability without wrinkles during thermoforming.
これに対し、比較例の自動車内装材は上記表に示す如く
、不織布表皮材とポリプロピレン樹脂フィルムとの接着
力に劣り、使用中剥離の恐れがあり、自動車内装材とし
ては使用に耐えないものであった。On the other hand, as shown in the table above, the comparative example automobile interior material has poor adhesive strength between the nonwoven fabric skin material and the polypropylene resin film, and there is a risk of peeling during use, making it unsuitable for use as an automobile interior material. there were.
上記の如く１本発明による自動車内装材はポリプロピレ
ン樹脂基材との接着面となる不織布表皮材の片面にアイ
オノマー樹脂の塗布層を設けることにより、不織布表皮
材がポリプロピレン樹脂基材に対し、耐熱性、耐久性に
優れた接着強度を示し、更に軽量かつ低価格である。ま
た低密度で靭性、レジリエンスに優れたアイオノマー樹
脂の特性によシ、熱成形性が良好となり、成形特表皮材
、ポリプロピレン樹脂基材の変形に追従して、しわ、歪
のない成形体を得ることができる等の優れた効果を有す
る。As described above, the automobile interior material according to the present invention is provided with a coating layer of ionomer resin on one side of the nonwoven fabric skin material that is the adhesive surface with the polypropylene resin base material, so that the nonwoven fabric skin material has better heat resistance than the polypropylene resin base material. , exhibits excellent adhesive strength and durability, and is also lightweight and low cost. In addition, due to the characteristics of the ionomer resin, which has low density and excellent toughness and resilience, it has good thermoformability, and can follow the deformation of the molded special skin material and polypropylene resin base material to obtain a molded product without wrinkles or distortion. It has excellent effects such as:
第１図は本発明の自動車内装材の一実施例の断面図、
第２図は同他の実施例の断面図である。
図中。
１・・・不織布表皮材 ２・・・アイオノマー樹脂塗布
層 ６・・・ポリプロピレン樹脂フィルム ４・・・ポ
リプロピレン樹脂フオームFIG. 1 is a cross-sectional view of one embodiment of the automobile interior material of the present invention, and FIG. 2 is a cross-sectional view of another embodiment of the same. In the figure. 1... Nonwoven fabric skin material 2... Ionomer resin coating layer 6... Polypropylene resin film 4... Polypropylene resin foam
Claims (1)
１平方メートル当り５〜８０ｇのアイオノマー樹脂を含
む塗布層を介して一体に接着してなることを特徴とする
自動車内装材。A base material made of polypropylene resin and a nonwoven fabric facing material,
An automobile interior material characterized by being integrally bonded through a coating layer containing 5 to 80 g of ionomer resin per square meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21526986A JPS6371448A (en) | 1986-09-12 | 1986-09-12 | Automobile trim material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21526986A JPS6371448A (en) | 1986-09-12 | 1986-09-12 | Automobile trim material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6371448A true JPS6371448A (en) | 1988-03-31 |
Family
ID=16669512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21526986A Pending JPS6371448A (en) | 1986-09-12 | 1986-09-12 | Automobile trim material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6371448A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483929A (en) * | 1987-09-25 | 1989-03-29 | Kubota Ltd | Electronic speed governor |
| KR100410224B1 (en) * | 1997-07-10 | 2004-02-14 | 전방산업 주식회사 | Automobile nonwoven fabric and method of manufacturing the same |
-
1986
- 1986-09-12 JP JP21526986A patent/JPS6371448A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483929A (en) * | 1987-09-25 | 1989-03-29 | Kubota Ltd | Electronic speed governor |
| KR100410224B1 (en) * | 1997-07-10 | 2004-02-14 | 전방산업 주식회사 | Automobile nonwoven fabric and method of manufacturing the same |
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