JPH0446911Y2 - - Google Patents
Info
- Publication number
- JPH0446911Y2 JPH0446911Y2 JP80987U JP80987U JPH0446911Y2 JP H0446911 Y2 JPH0446911 Y2 JP H0446911Y2 JP 80987 U JP80987 U JP 80987U JP 80987 U JP80987 U JP 80987U JP H0446911 Y2 JPH0446911 Y2 JP H0446911Y2
- Authority
- JP
- Japan
- Prior art keywords
- methylstyrene
- plate
- copolymer
- molding
- methyl methacrylate
- 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
Links
- 239000000463 material Substances 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 18
- 229920001577 copolymer Polymers 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000004745 nonwoven fabric Substances 0.000 claims description 10
- 239000006260 foam Substances 0.000 claims description 8
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 7
- 230000009477 glass transition Effects 0.000 claims description 4
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 claims 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 238000007666 vacuum forming Methods 0.000 description 6
- 238000010030 laminating Methods 0.000 description 4
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 3
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- SOGAXMICEFXMKE-UHFFFAOYSA-N alpha-Methyl-n-butyl acrylate Natural products CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920005648 ethylene methacrylic acid copolymer Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
- Laminated Bodies (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案はプレス成形あるいは真空成形して自動
車の天井材、敷設材、ドアトリム等に成形するの
に好適な内装材成形用板状体に関するものであ
る。[Detailed description of the invention] (Field of industrial application) The present invention relates to a plate-shaped body for forming interior materials suitable for press molding or vacuum forming to form automobile ceiling materials, paving materials, door trims, etc. It is.
（従来の技術）
自動車内装用成形材は耐熱性（約100℃）を有
するものとして、スチレン−無水マレイン酸共重
合樹脂の未発泡体フイルムを上下とし中間にスチ
レン−無水マレイン酸共重合樹脂の発泡体シート
を一体積層してなる板状体に接着剤を介してウレ
タンフオームを積層させ、このウレタンフオーム
に接着剤を介して不織布を積層させてなる板状体
が用いられる。(Prior technology) Molding materials for automobile interiors are heat resistant (approximately 100°C) and are made of unfoamed films of styrene-maleic anhydride copolymer resin on the top and bottom, and styrene-maleic anhydride copolymer resin in the middle. A plate-like body is used in which a urethane foam is laminated on a plate-like body formed by laminating one foam sheet through an adhesive, and a nonwoven fabric is laminated on the urethane foam through an adhesive.
しかしながら、かかる内装用成形材を用いて、
自動車の天井材等にプレス成形あるいは真空成形
する際にスチレン−無水マレイン酸共重合体の発
泡層に亀裂、欠落等の現象を起生することがあ
る。 However, using such interior molding materials,
When press-molding or vacuum-forming the foamed layer of the styrene-maleic anhydride copolymer into automobile ceiling materials, etc., phenomena such as cracking and chipping may occur in the foamed layer.
このような現象は折曲げ強度に劣り、弾性率が
低く剛性に欠ける、即ち脆さを有する点に起因す
る。 This phenomenon is caused by poor bending strength, low elastic modulus, and lack of rigidity, that is, brittleness.
（考案が解決しようとする問題点）
従来のこの種の内装材成形用板状体はプレス成
形あるいは真空成形する際に金型の成形面への馴
染み性に劣るという問題点があつた。(Problems to be Solved by the Invention) Conventional plate-shaped bodies for molding interior materials of this type have had the problem of poor conformability to the molding surface of a mold during press molding or vacuum forming.
（問題点を解決するための手段）
本考案はプレス成形あるいは真空成形する際に
金型の成形面に良く馴染み成形性に秀れ、かつ耐
熱性、断熱性を有する内装材成形用板状体を提供
するものであつて、ガラス転移点が115℃以上の
メチルメタクリレート・α−メチルスチレン系共
重合体またはα−メチルスチレン・アクリロニト
リル系共重合体の押出発泡体からなり、耐熱温度
90℃〜110℃、嵩密度0.04〜0.2ｇ／c.c.、肉厚２〜
５mmを有する板体に接着剤を介して不織布を積層
してなる内装材成形用板状体である。(Means for solving the problem) The present invention provides a plate-like material for molding interior materials that fits well on the molding surface of a mold during press molding or vacuum forming, has excellent moldability, and has heat resistance and heat insulation properties. It is made of an extruded foam of methyl methacrylate/α-methylstyrene copolymer or α-methylstyrene/acrylonitrile copolymer with a glass transition point of 115°C or higher, and has a heat-resistant temperature
90℃~110℃, bulk density 0.04~0.2g/cc, wall thickness 2~
This is a plate-like body for molding interior materials, which is made by laminating a nonwoven fabric on a plate having a diameter of 5 mm via an adhesive.
押出される樹脂としては、メチルメタクリレー
ト・α−メチルスチレン共重合体、α−メチルス
チレン・スチレン・メチルメタクリレート共重合
体、α−メチルスチレン・スチレン・メチルメタ
クリレート・メタクリル酸ブチル共重合体、α−
メチルスチレン・アクリロニトリル共重合体、α
−メチルスチレン・スチレン・アクリロニトリル
共重合体、α−メチルスチレン・スチレン・アク
リロニトリル・アクリル酸共重合体等が使用でき
る。 The resins to be extruded include methyl methacrylate/α-methylstyrene copolymer, α-methylstyrene/styrene/methyl methacrylate copolymer, α-methylstyrene/styrene/methyl methacrylate/butyl methacrylate copolymer, α-
Methylstyrene/acrylonitrile copolymer, α
-Methylstyrene/styrene/acrylonitrile copolymer, α-methylstyrene/styrene/acrylonitrile/acrylic acid copolymer, etc. can be used.
（作用）
メチルメタクリレート・α−メチルスチレン系
共重合体またはα−メチルスチレン・アクリロニ
トリル系共重合体の押出発泡体からなりガラス転
移点115℃以上、耐熱温度90℃〜110℃を有する板
体は曲げ強度4.4Kg／cm2〜6.8Kg／cm2（JIS−Ａ−
9511による試験結果）、曲げ弾性率62Kg／cm2〜167
Kg／cm2（JIS−Ａ−9511による試験結果）、圧縮弾
性率54Kg／cm2〜95Kg／cm2（JIS−Ｚ−0234による
試験結果）を有し、嵩密度0.04〜0.2ｇ／c.c.、肉
厚２〜５mmとして適度の比重と厚さを有するから
成形性に秀れ、接着剤を介して積層した不織布と
ともに良くプレス成形時または真空成形時におい
て、本考案内装材成形用板状体は金型面に良く馴
染み極めて成形性に秀れ、しかも耐熱性、断熱性
にも秀れる。(Function) A plate made of extruded foam of methyl methacrylate/α-methylstyrene copolymer or α-methylstyrene/acrylonitrile copolymer and has a glass transition point of 115°C or higher and a heat resistance temperature of 90°C to 110°C. Bending strength 4.4Kg/cm 2 ~ 6.8Kg/cm 2 (JIS-A-
9511 test results), flexural modulus 62Kg/ cm2 ~ 167
Kg/ cm2 (test results according to JIS-A-9511), compressive modulus of elasticity 54Kg/ cm2 to 95Kg/ cm2 (test results according to JIS-Z-0234), bulk density 0.04 to 0.2g/cc, Because it has a wall thickness of 2 to 5 mm and has an appropriate specific gravity and thickness, it has excellent formability and is suitable for press molding or vacuum forming with nonwoven fabric laminated with an adhesive. It blends well with the mold surface and has excellent moldability, as well as excellent heat resistance and heat insulation properties.
（実施例）
本考案内装材成形用板状体の実施例を図面につ
いて説明する。(Example) An example of the interior material molding plate of the present invention will be described with reference to the drawings.
第１図は内装材成形用板状体１の縦断面図であ
つて、押出機（図示しない）を用い、メチルメタ
クリレート・α−メチルスチレン系共重合体また
はα−メチルスチレン・アクリロニトリル系共重
合体の押出発泡体からなり、ガラス転移点が115
℃以上、耐熱温度90℃〜110℃、嵩密度0.04〜0.2
ｇ／c.c.、肉厚２〜５mmを有する板体２を押出発泡
成形し、この板体２の片面にエチレン・酢酸ビニ
ル共重合体またはエチレンメタクリル酸共重合体
金属塩からなる接着剤３を塗布し、この接着剤３
を介して50〜1000ｇ／m2の目付量を有する不織布
４を積層してなる。 FIG. 1 is a longitudinal cross-sectional view of a plate-like body 1 for molding interior materials, in which methyl methacrylate/α-methylstyrene copolymer or α-methylstyrene/acrylonitrile copolymer is molded using an extruder (not shown). Made of extruded foam with a glass transition temperature of 115
℃ or higher, heat resistant temperature 90℃~110℃, bulk density 0.04~0.2
A plate 2 having a wall thickness of 2 to 5 mm is extruded and foamed, and an adhesive 3 made of ethylene/vinyl acetate copolymer or ethylene methacrylic acid copolymer metal salt is applied to one side of the plate 2. And this adhesive 3
It is made by laminating nonwoven fabrics 4 having a basis weight of 50 to 1000 g/m 2 via.
前記不織布４の表面には所要の印刷５等を施し
てある。 The surface of the nonwoven fabric 4 is provided with necessary printing 5 and the like.
本考案板状内装材は前記のように構成するか
ら、自動車の天井材としてプレス成形あるいは真
空成形する際に、板体２の有する特性と不織布４
の特性とが相俟つて金型成形面に良く馴染み、亀
裂、欠落等を起生することはない。 Since the plate-like interior material of the present invention is constructed as described above, it is possible to combine the characteristics of the plate body 2 and the non-woven fabric 4 when press-forming or vacuum-forming it as an automotive ceiling material.
Combined with these characteristics, it blends well with the molding surface and does not cause cracks, chips, etc.
即ち、メチルメタクリレート・α−メチルスチ
レン系共重合体またはα−メチルスチレン・アク
リロニトリル系共重合体の押出発泡体は耐熱温度
90℃〜110℃を有し、曲げ強度4.4Kg／cm2〜6.8
Kg／cm2、曲げ弾性率62Kg／cm2〜167Kg／cm2、圧縮
弾性率54Kg／cm2〜95Kg／cm2を有し、しかも適度の
比重と厚さを有する板体２と、接着剤３を介し不
織布４を積層してあるから、第２図示のように、
自動車の天井内張りとし、曲率半径の小さい部
分、換言すれば折曲げ境界域イ等においても亀
裂、欠落を惹起しない。 In other words, the extruded foam of methyl methacrylate/α-methylstyrene copolymer or α-methylstyrene/acrylonitrile copolymer has a heat-resistant temperature.
90℃~110℃, bending strength 4.4Kg/ cm2 ~6.8
Kg/cm 2 , a bending modulus of elasticity of 62 Kg/cm 2 to 167 Kg/cm 2 , a compressive modulus of elasticity of 54 Kg/cm 2 to 95 Kg/cm 2 , and an appropriate specific gravity and thickness, and an adhesive. Since the non-woven fabric 4 is laminated through 3, as shown in the second diagram,
It is used as a ceiling lining for automobiles, and does not cause cracks or chips even in parts with a small radius of curvature, in other words, in bending boundary areas.
（考案の効果）
本考案内装材成形用板状体は前記板体に接着剤
を介して不織布を積層してなるから、高温領域に
おいて充分な耐熱性を有し、しかも断熱性に秀
れ、特に成形性に極めて秀れ、耐熱性を有する樹
脂系内装材として自動車の成形天井材、敷設材、
ドアトリム等の成形用として好適である等幾多の
実用的効果を具有する。(Effects of the invention) Since the plate-like body for molding interior materials of the present invention is made by laminating a non-woven fabric on the plate body via an adhesive, it has sufficient heat resistance in a high-temperature region, and has excellent heat insulation properties. In particular, it is used as a resin-based interior material that has excellent moldability and heat resistance, such as automobile molded ceiling materials, paving materials, etc.
It has many practical effects, such as being suitable for molding door trims and the like.
第１図は本考案内装材成形用板状体の縦断面
図、第２図は同・成形状態説明図である。
１……内装材成形用板状体、２……板体、３…
…接着剤、４……不織布、５……印刷、イ……折
曲げ境界域。
FIG. 1 is a longitudinal cross-sectional view of the plate-like body for molding interior materials of the present invention, and FIG. 2 is an explanatory diagram of the same molded state. 1... Plate-shaped body for molding interior material, 2... Plate body, 3...
...adhesive, 4...nonwoven fabric, 5...printing, a...bending boundary area.
Claims (1)
ート・α−メチルスチレン系共重合体またはα−
メチルスチレン・アクリロニトリル系共重合体の
押出発泡体からなり、耐熱温度90℃〜110℃、嵩
密度0.04〜0.2ｇ／c.c.、肉厚２〜５mmを有する板
体に接着剤を介して不織布を積層してなる内装材
成形用板状体。 Methyl methacrylate/α-methylstyrene copolymer or α- with a glass transition point of 115°C or higher
Made of extruded foam of methylstyrene/acrylonitrile copolymer, non-woven fabric is laminated via adhesive onto a board with a heat resistance temperature of 90°C to 110°C, a bulk density of 0.04 to 0.2 g/cc, and a wall thickness of 2 to 5 mm. A plate-shaped body for molding interior materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP80987U JPH0446911Y2 (en) | 1987-01-07 | 1987-01-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP80987U JPH0446911Y2 (en) | 1987-01-07 | 1987-01-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63108731U JPS63108731U (en) | 1988-07-13 |
| JPH0446911Y2 true JPH0446911Y2 (en) | 1992-11-05 |
Family
ID=30778127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP80987U Expired JPH0446911Y2 (en) | 1987-01-07 | 1987-01-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446911Y2 (en) |
-
1987
- 1987-01-07 JP JP80987U patent/JPH0446911Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63108731U (en) | 1988-07-13 |
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