JPS6140359A - Glass fiber-containing thermoplastic resin - Google Patents
Glass fiber-containing thermoplastic resinInfo
- Publication number
- JPS6140359A JPS6140359A JP16152284A JP16152284A JPS6140359A JP S6140359 A JPS6140359 A JP S6140359A JP 16152284 A JP16152284 A JP 16152284A JP 16152284 A JP16152284 A JP 16152284A JP S6140359 A JPS6140359 A JP S6140359A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- fiber
- thermoplastic resin
- glass fiber
- glass fibers
- 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
Abstract
Description
【発明の詳細な説明】
本発明はガラス繊維含有熱可塑性樹脂に関し、スタンピ
ング成形することが可能であるとともに、細部までガラ
ス繊維が充填され、しかもこの細部の機械的強度にもす
ぐれた成形品を得ることのできるガラス繊維含有熱可塑
性樹脂に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a glass fiber-containing thermoplastic resin, which can be stamped and molded, and which is filled with glass fibers in every detail and which also has excellent mechanical strength. The present invention relates to a glass fiber-containing thermoplastic resin that can be obtained.
長繊維ガラスを配合した熱可塑性樹脂は高強度。Thermoplastic resin containing long fiber glass has high strength.
高剛性であり、しかも軽量性、耐薬品性などにすぐれて
いるため、自動車部品などのスタンピング成形材料とし
て有用である。しかしながら、該材料をスタンピング成
形した場合、リブ形状のような細部には長繊維ガラスが
充填されに＜＜、充分な機械的強度を有するものが得ら
れないという問題があった。It is highly rigid, lightweight, and has excellent chemical resistance, so it is useful as a stamping molding material for automobile parts. However, when this material is stamped, there is a problem in that details such as rib shapes are filled with long fiber glass, making it impossible to obtain a material with sufficient mechanical strength.
一方、短繊維ガラスを配合した熱可塑性樹脂はリブ形状
のような細部まで短繊維ガラスを充填することはできる
ものの、スタンピング成形が困難であり、また成形され
たとしても強度が充分でないという問題があった。On the other hand, thermoplastic resins containing short fiber glass can be filled with short fiber glass in details such as rib shapes, but they are difficult to stamp and mold, and even if they are molded, they do not have sufficient strength. there were.
本発明者らは上記従来の問題点を解消するため種々検討
を重ねた結果、長繊維ガラスと短繊維ガラスを特定割合
で含有する熱可塑性樹脂はスタンピング成形することが
可能であるとともに、細部までガラス繊維が充填され、
しかもこの細部の機械的強度にもすぐれた成形品を得る
ことができることを見出し、この知見に基いて本発明を
完成するに到った。As a result of various studies conducted by the present inventors to solve the above-mentioned conventional problems, it was found that thermoplastic resin containing long fiber glass and short fiber glass in a specific ratio can be molded by stamping, and can be molded with fine details. filled with glass fiber,
Moreover, they discovered that it was possible to obtain a molded product with excellent mechanical strength in these details, and based on this knowledge, they completed the present invention.
すなわち本発明は、平均繊維長５ｍ以上の長繊維ガラス
および平均繊維長０．１〜２鰭の短繊維ガラスからなる
ガラス繊維を含有する熱可塑性樹脂であって、前記熱可
塑性樹脂と前記ガラス繊維の配合割合が前者／後者＝０
．７〜４．０（重量比）であり、かつ前記長繊維ガラス
と前記短繊維ガラスの配合割合が前者／後者＝３〜３０
（重量比）であるガラス繊維含有熱可塑性樹脂を提供す
るものである。That is, the present invention provides a thermoplastic resin containing glass fibers consisting of long fiber glass with an average fiber length of 5 m or more and short fiber glass with an average fiber length of 0.1 to 2 fins, wherein the thermoplastic resin and the glass fiber The mixing ratio of former/latter = 0
．． 7 to 4.0 (weight ratio), and the blending ratio of the long fiber glass and the short fiber glass is former/latter = 3 to 30.
(weight ratio).
本発明において用いる熱可塑性樹脂としては特に制限は
なく様々なものを挙げることができる。The thermoplastic resin used in the present invention is not particularly limited, and various resins may be used.
例えばポリエチレン、ポリプロピレン、ポリスチレン１
ポリアミド、ポリカーボネート、ポリエチレンテレフ
タレートボリブチレンテレフタレートボリアセクール、
ポリフェニレンオキサイド。For example, polyethylene, polypropylene, polystyrene 1
polyamide, polycarbonate, polyethylene terephthalate boributylene terephthalate boriasecure,
Polyphenylene oxide.
ポリフェニレンスルフィド、ポリ塩化ビニルなどあるい
はこれらの混合物が挙げられる。とりわけプロピレンホ
モポリマーが好ましい。なお、本発明においては必要に
より上記熱可塑性樹脂に炭酸カルシウム、タルク、沈降
性硫酸バリウムなどの無機充填材；メラミン樹脂粉末な
どの有機充填材；顔料；各種添加剤を適宜加えることも
できる。Examples include polyphenylene sulfide, polyvinyl chloride, and mixtures thereof. Particularly preferred is propylene homopolymer. In the present invention, inorganic fillers such as calcium carbonate, talc, and precipitated barium sulfate; organic fillers such as melamine resin powder; pigments; and various additives may be added to the thermoplastic resin as appropriate.
また、本発明において用いる長繊維ガラスとしては平均
繊維長が５ｆｉ以上のものである。平均繊維長が５＋ｎ
未満であると、衝撃強度が低下するので好ましくない。Further, the long fiber glass used in the present invention has an average fiber length of 5 fi or more. Average fiber length is 5+n
If it is less than this, the impact strength decreases, which is not preferable.
さらに、本発明においては上記長繊維ガラスとともに短
繊維ガラスを用いる。ここで短繊維ガラスとしては平均
繊維長が０．１〜２鶴、好−ましくは０．２〜１．０鶴
のものである。平均繊維長が０．１ｉｎ未満であると、
強度が十分に発揮しないので好ましくない。また、平均
繊維長が２鶴を超えると、細部にガラス繊維が流動しに
くいので好ましくない。Furthermore, in the present invention, short fiber glass is used in addition to the above-mentioned long fiber glass. Here, the short fiber glass has an average fiber length of 0.1 to 2 lengths, preferably 0.2 to 1.0 lengths. The average fiber length is less than 0.1 inch,
This is not preferable because it does not exhibit sufficient strength. Moreover, if the average fiber length exceeds 2 cranes, it is not preferable because the glass fibers are difficult to flow in small areas.
これらガラス繊維としては繊維径が１〜５０μ、好まし
くは５〜３０μのものが用いられる。これらガラス繊維
の繊維径が５０μを超えると、引張強度が低下するので
好ましくない。These glass fibers used have a fiber diameter of 1 to 50 microns, preferably 5 to 30 microns. If the fiber diameter of these glass fibers exceeds 50 μm, the tensile strength decreases, which is not preferable.
このようなガラス繊維の種類としては、無アルカリガラ
ス繊維、低アルカリガラス繊維、ホウケイ酸ガラス繊維
などが挙げられる。また、ガラス繊維のうち長繊維のも
のの形態としては特に制限はなく、様々な形態のものが
用いられる。例えばマット、クロス、チョツプドストラ
ンド、ニードルパンチングマットなどが挙げられ、特に
連続ガ゛ラス繊維マットをニードルパンチしたものが好
ましい。Examples of such glass fibers include non-alkali glass fibers, low alkali glass fibers, and borosilicate glass fibers. Further, there is no particular restriction on the form of the long fibers among the glass fibers, and various forms may be used. Examples include mats, cloths, chopped strands, needle-punched mats, etc., and particularly preferred are continuous glass fiber mats that are needle-punched.
上記熱可塑性樹脂と、長繊維ガラスおよび短繊維ガラス
からなるガラス繊維との配合割合は前者／後者＝０．７
〜４．０（重量比）、好ましくは１．０〜３．０（重量
比）である、前者／後者の配合割合が０．７未満である
と、スタンピング成形時の賦形性が劣るので好ましくな
い。一方、前者／後者の配合割合が４，０を超えると、
成形品の機械的強度を向上させることはできない。The blending ratio of the above thermoplastic resin and glass fibers consisting of long fiber glass and short fiber glass is former/latter = 0.7
- 4.0 (weight ratio), preferably 1.0 - 3.0 (weight ratio). If the former/latter blending ratio is less than 0.7, the shapeability during stamping molding will be poor. Undesirable. On the other hand, if the former/latter ratio exceeds 4.0,
It is not possible to improve the mechanical strength of the molded product.
また、上記長繊維ガラスと短繊維ガラスの配合割合は前
者／後者＝３〜３０（重量比）、好ましくは５〜２０
（重量比）である。前者／後者の配合割合が３未満であ
ると、成形品の機械的強度を向上させることができない
。一方、前者／後者の配合割合が３０を超えると、端部
にガラス繊維が流れにくく、スタンピング成形時の賦形
性が劣るので好ましくない。Further, the blending ratio of the long fiber glass and the short fiber glass is former/latter = 3 to 30 (weight ratio), preferably 5 to 20.
(weight ratio). If the former/latter ratio is less than 3, the mechanical strength of the molded product cannot be improved. On the other hand, if the former/latter ratio exceeds 30, it is not preferable because the glass fibers are difficult to flow to the ends and the shapeability during stamping is poor.
畝上の如き本発明のガラス繊維含有熱可塑性樹脂は単に
上記各歳分を混合して用いてもよいが、通常シート状の
ものとして利用され、必要時にスタンピング成形により
製造とされる。このガラス繊維含有熱可塑性樹脂シート
の製造例を図面に基いて説明する。第１図はガラス繊維
含有熱可塑性樹脂シートの製造方法の１例を示す説明図
である。The glass fiber-containing thermoplastic resin of the present invention, such as Ungegami, may be used by simply mixing the above-mentioned components, but it is usually used in the form of a sheet, and is manufactured by stamping when necessary. A manufacturing example of this glass fiber-containing thermoplastic resin sheet will be explained based on the drawings. FIG. 1 is an explanatory diagram showing an example of a method for manufacturing a glass fiber-containing thermoplastic resin sheet.
押出機１に熱可塑性樹脂Ａおよび短繊維ガラスＢを入れ
て押出すとともに、押出された１層の短繊維ガラス含有
熱可塑性樹脂シートの両外側を長繊維ガラスマットＣで
はさみ、さらにこの長繊維ガラスマットＣの両外側を熱
可塑性樹脂Ａ′ではさみ、ラミネーター２により加圧加
熱してガラス繊維含有熱可塑性樹脂シート３を得ること
ができる。Thermoplastic resin A and short fiber glass B are put into an extruder 1 and extruded, and both outer sides of the extruded one-layer short fiber glass-containing thermoplastic resin sheet are sandwiched between long fiber glass mats C. A glass fiber-containing thermoplastic resin sheet 3 can be obtained by sandwiching both outer sides of the glass mat C between thermoplastic resins A' and heating and pressurizing them with a laminator 2.
なお、このガラス繊維含有熱可塑性樹脂シート３の厚み
は１〜１０１１ｍ、好ましくは２〜５鶴である。該シー
トの厚みがｌ＋ｎ未満であると、シートの製造が困難で
ある。一方、該シートの厚みが１０鶴を超えると、スタ
ンピング成形時の予備加熱が困難となるので好ましくな
い。The thickness of this glass fiber-containing thermoplastic resin sheet 3 is 1 to 1011 m, preferably 2 to 5 m. If the thickness of the sheet is less than l+n, it is difficult to manufacture the sheet. On the other hand, if the thickness of the sheet exceeds 10 mm, it is not preferable because preheating during stamping becomes difficult.
このようにして得られるガラス繊維含有熱可塑性樹脂シ
ートをスタンピング成形などにより適宜形状に成形して
成形品を製造することができる。The glass fiber-containing thermoplastic resin sheet thus obtained can be molded into an appropriate shape by stamping molding or the like to produce a molded article.
本゛発明のガラス繊維含有熱可塑性樹脂は機械的強度に
すぐれたものである。しかも、本発明のガラス繊維含有
熱可塑性樹脂はスタンピング成形することが可能である
。さらに、スタンピング成形した場合、細部までガラス
繊維が充填され、この細部の機械的強度にもすぐれた成
形品を得ることができる。The glass fiber-containing thermoplastic resin of the present invention has excellent mechanical strength. Moreover, the glass fiber-containing thermoplastic resin of the present invention can be stamped. Furthermore, when stamping is performed, glass fibers are filled in even the smallest details, and a molded product with excellent mechanical strength in these details can be obtained.
したがって、本発明のガラス繊維含有熱可塑性樹脂は特
にスタンピング成形用の素材として有効に利用すること
ができる。Therefore, the glass fiber-containing thermoplastic resin of the present invention can be particularly effectively used as a material for stamping molding.
次に本発明の実施例を示す。Next, examples of the present invention will be shown.
実施例１〜４および比較例１〜３
ドルパンチングマット層の２層を外側から２層のポリプ
ロピレン樹脂（メルトインデックス８．０ｇ／１０分）
ではさむとともに、内側から押出機１より押出されたポ
リプロピレンシート（このシートには平均繊維長０．３
１の短繊維ガラスが所定量含有されている）ではさむよ
うにして２本の金属製の連続ベルトを有するラミネータ
ー２で加圧加熱してポリプロピレンをガラス繊維層に含
浸させ、次いで冷却してガラス繊維含有ポリプロピレン
シートを得た。Examples 1 to 4 and Comparative Examples 1 to 3 Two layers of dollar punching mat layer are made of two outer layers of polypropylene resin (melt index 8.0 g/10 minutes)
A polypropylene sheet (this sheet has an average fiber length of 0.3
The polypropylene layer is heated under pressure with a laminator 2 having two continuous metal belts sandwiched between the short fiber glass (containing a predetermined amount of short fiber glass of 1), and is then cooled to impregnate the glass fiber layer. A polypropylene sheet was obtained.
各成分の含有割合および得られたシートの物性を表−１
に示す。Table 1 shows the content ratio of each component and the physical properties of the obtained sheet.
Shown below.
さらに、得られたシートをスタンピング成形して第２図
に示す形状の成形品を製造し、リブ部４へのガラス繊維
の充填性およびリブ部の曲げ強度を以下に示す方法によ
り評価した。結果を表−１に示す。Furthermore, the obtained sheet was stamped to produce a molded product having the shape shown in FIG. 2, and the filling properties of the glass fibers into the rib portions 4 and the bending strength of the rib portions were evaluated by the methods shown below. The results are shown in Table-1.
０９１部へのガラス繊維の充填性の評価リブ部をＸ線で
撮影し、影の部分で示されるガラス繊維充填部の面積の
全断面積に対する割合で表わした。Evaluation of glass fiber filling properties in part 091 The rib portion was photographed using X-rays, and the area of the glass fiber filling portion shown by the shaded portion was expressed as a ratio to the total cross-sectional area.
０９１部の曲げ強度
リブ部のうち、厚さ１２鶴の部分５を長さ５０ｍｍ、高
さ１０鶴に亘って切り取り、その曲げ強度を測定した。Of the 091 portions of bending strength rib portions, part 5 with a thickness of 12 mm was cut out over a length of 50 mm and a height of 10 mm, and its bending strength was measured.
第１図はガラス繊維含有熱可塑性樹脂シートの製造方法
の１例を示す説明図である。第２図は実施例で用いた成
形品の形状を示す斜視図である。
・Ａ、Ａ’・・ 熱可塑性樹脂。
Ｂ ・・・・ 短繊維ガラス。
Ｃ・・・・ 長繊維ガラスマット。
１ ・・・・ 押出機。
２ ・・・・ ラミネーター。
３ ・・・・ ガラス繊維含有熱可塑性樹脂シート。
４ ・・・・ リブ部
特許出願人 出光石油化学株式会社
第１図
第２図FIG. 1 is an explanatory diagram showing an example of a method for manufacturing a glass fiber-containing thermoplastic resin sheet. FIG. 2 is a perspective view showing the shape of the molded product used in the example.・A, A'... Thermoplastic resin. B: Short fiber glass. C... Long fiber glass mat. 1... Extruder. 2... Laminator. 3... Glass fiber-containing thermoplastic resin sheet. 4 ... Rib portion patent applicant Idemitsu Petrochemical Co., Ltd. Figure 1 Figure 2
Claims (1)
繊維長０．１〜２ｍｍの短繊維ガラスからなるガラス繊
維を含有する熱可塑性樹脂であって、前記熱可塑性樹脂
と前記ガラス繊維の配合割合が前者／後者＝０．７〜４
．０（重量比）であり、かつ前記長繊維ガラスと前記短
繊維ガラスの配合割合が前者／後者＝３〜３０（重量比
）であるガラス繊維含有熱可塑性樹脂。(1) A thermoplastic resin containing glass fibers consisting of long fiber glass with an average fiber length of 5 mm or more and short fiber glass with an average fiber length of 0.1 to 2 mm, the blending ratio of the thermoplastic resin and the glass fiber is former/latter = 0.7~4
．． 0 (weight ratio), and the blending ratio of the long fiber glass and the short fiber glass is former/latter = 3 to 30 (weight ratio).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16152284A JPS6140359A (en) | 1984-08-02 | 1984-08-02 | Glass fiber-containing thermoplastic resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16152284A JPS6140359A (en) | 1984-08-02 | 1984-08-02 | Glass fiber-containing thermoplastic resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6140359A true JPS6140359A (en) | 1986-02-26 |
| JPH0465854B2 JPH0465854B2 (en) | 1992-10-21 |
Family
ID=15736679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16152284A Granted JPS6140359A (en) | 1984-08-02 | 1984-08-02 | Glass fiber-containing thermoplastic resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6140359A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0277443A (en) * | 1988-09-14 | 1990-03-16 | Nippon Petrochem Co Ltd | Glass fiber reinforced thermoplastic resin composition |
| JPH04209657A (en) * | 1990-12-03 | 1992-07-31 | Minoru Sangyo Kk | Blow molding composition |
| US6284831B1 (en) | 1996-11-07 | 2001-09-04 | Mitsubishi Denki Kabushiki Kaisha | Fiber-reinforced resin molded article |
| KR100873982B1 (en) | 2007-12-24 | 2008-12-17 | 주식회사 크리켐 | Long and short glass fiber reinforcement resin and preparation method thereof |
| JP2015054916A (en) * | 2013-09-11 | 2015-03-23 | 旭化成ケミカルズ株式会社 | Polyamide resin composition and manufacturing method thereof |
| WO2023037937A1 (en) * | 2021-09-08 | 2023-03-16 | Ｕｂｅ株式会社 | Polyamide resin composition |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4880172A (en) * | 1972-02-01 | 1973-10-26 | ||
| JPS5240588A (en) * | 1975-09-25 | 1977-03-29 | Allied Chem | Fiber reinforced multiilayer thermosetting sheet capable of stamping |
| JPS5398356A (en) * | 1977-02-10 | 1978-08-28 | Asahi Glass Co Ltd | Polyphenylene sulfide resin molding material and its production |
| JPS5421476A (en) * | 1977-07-18 | 1979-02-17 | Allied Chem | Fiber reinforced punching thermoplastic resin |
| JPS5436193A (en) * | 1977-08-26 | 1979-03-16 | Matsushita Electric Ind Co Ltd | Photo electric converter and its manufacture |
| JPS55161618A (en) * | 1979-06-05 | 1980-12-16 | Asahi Glass Co Ltd | Molding method of stamp |
| JPS55180789U (en) * | 1979-06-12 | 1980-12-25 | ||
| JPS5611229A (en) * | 1979-07-11 | 1981-02-04 | Nippon Petrochem Co Ltd | Manufacture of glass fiber reinforced thermoplastic synthetic resin sheet |
| JPS5611954A (en) * | 1979-07-10 | 1981-02-05 | Aisin Chem Co Ltd | Molding material for metallized plastic |
| JPS5898241A (en) * | 1981-12-09 | 1983-06-11 | 出光石油化学株式会社 | Reinforced plastic sheet which can be molded by compressed air |
-
1984
- 1984-08-02 JP JP16152284A patent/JPS6140359A/en active Granted
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4880172A (en) * | 1972-02-01 | 1973-10-26 | ||
| JPS5240588A (en) * | 1975-09-25 | 1977-03-29 | Allied Chem | Fiber reinforced multiilayer thermosetting sheet capable of stamping |
| JPS5398356A (en) * | 1977-02-10 | 1978-08-28 | Asahi Glass Co Ltd | Polyphenylene sulfide resin molding material and its production |
| JPS5421476A (en) * | 1977-07-18 | 1979-02-17 | Allied Chem | Fiber reinforced punching thermoplastic resin |
| JPS5436193A (en) * | 1977-08-26 | 1979-03-16 | Matsushita Electric Ind Co Ltd | Photo electric converter and its manufacture |
| JPS55161618A (en) * | 1979-06-05 | 1980-12-16 | Asahi Glass Co Ltd | Molding method of stamp |
| JPS55180789U (en) * | 1979-06-12 | 1980-12-25 | ||
| JPS5611954A (en) * | 1979-07-10 | 1981-02-05 | Aisin Chem Co Ltd | Molding material for metallized plastic |
| JPS5611229A (en) * | 1979-07-11 | 1981-02-04 | Nippon Petrochem Co Ltd | Manufacture of glass fiber reinforced thermoplastic synthetic resin sheet |
| JPS5898241A (en) * | 1981-12-09 | 1983-06-11 | 出光石油化学株式会社 | Reinforced plastic sheet which can be molded by compressed air |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0277443A (en) * | 1988-09-14 | 1990-03-16 | Nippon Petrochem Co Ltd | Glass fiber reinforced thermoplastic resin composition |
| JPH04209657A (en) * | 1990-12-03 | 1992-07-31 | Minoru Sangyo Kk | Blow molding composition |
| US6284831B1 (en) | 1996-11-07 | 2001-09-04 | Mitsubishi Denki Kabushiki Kaisha | Fiber-reinforced resin molded article |
| KR100873982B1 (en) | 2007-12-24 | 2008-12-17 | 주식회사 크리켐 | Long and short glass fiber reinforcement resin and preparation method thereof |
| JP2015054916A (en) * | 2013-09-11 | 2015-03-23 | 旭化成ケミカルズ株式会社 | Polyamide resin composition and manufacturing method thereof |
| WO2023037937A1 (en) * | 2021-09-08 | 2023-03-16 | Ｕｂｅ株式会社 | Polyamide resin composition |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0465854B2 (en) | 1992-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR900000236B1 (en) | A laminate sheet and a process for making the sheet | |
| US4098943A (en) | Fiber reinforced multi-ply stampable thermoplastic sheet | |
| US3684645A (en) | Glass fiber reinforced thermoplastic article | |
| US4612238A (en) | Fiber reinforced multi-ply stampable thermoplastic sheet | |
| US20060182947A1 (en) | Fiber reinforced thermoplastic composite including mineral fillers | |
| DE2534188C2 (en) | Molded parts with smooth surfaces made of glass fiber reinforced plastics | |
| DE2200594A1 (en) | Process for the production of moldings | |
| DE2310991A1 (en) | METHOD FOR MANUFACTURING A POROUS, THERMOPLASTIC RESIN ARTICLE REINFORCED WITH GLASS MATS | |
| US4240857A (en) | Fiber reinforced multi-ply stampable thermoplastic sheet | |
| JPS6140359A (en) | Glass fiber-containing thermoplastic resin | |
| EP0296611B1 (en) | Stamping-moldable material | |
| EP0668142B1 (en) | Method for coextrusion thermoformable panels | |
| US5203940A (en) | Method and apparatus for thermoforming plastic sheets | |
| JPH07103244B2 (en) | Stamping molding material | |
| DE2831363A1 (en) | THERMOPLASTIC LAMINATE SHEET AND METHOD FOR MANUFACTURING THE SAME | |
| JPH0664115A (en) | Stampable thermoplastic reinforced plastic sheet and molded item produced from said sheet | |
| JPH0999511A (en) | Synthetic resin composite material and production thereof | |
| JP2702825B2 (en) | Method for producing thermoplastic reinforced plastic molding material and molded article | |
| US5681887A (en) | Method of stamping composite sheets | |
| TW202130714A (en) | Fiber-reinforced composite material and sandwich structure | |
| KR101743827B1 (en) | Assembly Comprising a Shaped Cross-Section Hollow Fibrous Layer and a Resin Formed Layer and Sound Absorbing and Sound Blocking Material comprising Thereof | |
| DE19831124A1 (en) | Fiber mat-reinforced thermoplastic with high strength and high elongation at break, useful for production of molded parts for vehicles, sports gear, machines etc. | |
| JPH10158443A (en) | Stampable sheet excellent in conductivity and mechanical strength | |
| KR950005953A (en) | Liquid crystal polymer composite and molding method thereof | |
| JPS6119662A (en) | Composite resin molding material for extrusion |