JPH02172732A - Liquid crystal polymer composite and production thereof - Google Patents
Liquid crystal polymer composite and production thereofInfo
- Publication number
- JPH02172732A JPH02172732A JP32816188A JP32816188A JPH02172732A JP H02172732 A JPH02172732 A JP H02172732A JP 32816188 A JP32816188 A JP 32816188A JP 32816188 A JP32816188 A JP 32816188A JP H02172732 A JPH02172732 A JP H02172732A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal polymer
- orientation
- composite
- film
- 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
- 229920000106 Liquid crystal polymer Polymers 0.000 title claims abstract description 67
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 title claims abstract description 67
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 238000010030 laminating Methods 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 21
- 238000000465 moulding Methods 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
この発明は、液晶ポリマーを用いた複合体及びその製造
方法に関する。Detailed Description of the Invention [Object of the Invention] (Industrial Application Field) The present invention relates to a composite using a liquid crystal polymer and a method for producing the same.
（従来の技術）
一般に、高分子物質は溶融状態で各分子がランダムコイ
ル状に絡み合っている。このため、成型した後でも分子
が短い連鎖をなし、さらに折たたみ分子鎖の横這をとる
ので、高い弾性率のものが実現されにくい。(Prior Art) Generally, molecules of a polymer substance are entangled in a random coil shape in a molten state. For this reason, even after molding, the molecules form short chains, and the folded molecular chains tend to move horizontally, making it difficult to achieve high elastic modulus.
これに対し、高強度・亮弾性を示すエンジニアリング・
プラスチックとして、液晶ポリマーが知られている。液
晶ポリマーは各分子が液晶状態で各ドメイン毎に一定の
方向に揃っている。液晶ポリマーを押出し成型によりフ
ィルム状またはシート状に成型すると、各ドメイン毎に
ランダムな方向を向いていた各分子が、押出し成型によ
り流れ出した方向に一斉に向きを揃える。これを液晶ポ
リマーの配向性という。この配向性により、液晶ポリマ
ーは一般の高分子物質に見られない高強度・高弾性率の
性質を示す。また、液晶ポリマーは一般の高分子物質と
同様に、低密度という特徴も持っている。On the other hand, engineering
Liquid crystal polymers are known as plastics. In a liquid crystal polymer, each molecule is in a liquid crystal state and aligned in a fixed direction for each domain. When a liquid crystal polymer is formed into a film or sheet by extrusion molding, the molecules, which were oriented in random directions in each domain, all align in the direction in which they flow out during extrusion molding. This is called orientation of liquid crystal polymer. Due to this orientation, liquid crystal polymers exhibit properties of high strength and high elastic modulus that are not found in general polymer materials. Furthermore, like general polymer materials, liquid crystal polymers also have the characteristic of low density.
しかしながら、このようなフィルム状またはシート状に
成型した液晶ポリマー成型物を用いて措造物を作製した
場合、次のような問題が生じる。However, when a structure is produced using such a liquid crystal polymer molded product in the form of a film or sheet, the following problems arise.
上述したように液晶ポリマーのフィルムまたはシートは
、押出し成型により作られる。その場合、液晶ポリマー
は一般に押出し成型ＩＩνに受ける剪断応力により、押
出し方向に各分子が硬直な棒状に整然と並んで配向され
、この方向にのみ高強度・高弾性率の特性を示す。押出
し方向以外の方向では分子の配向か起こらないため、強
度及び弾性率は押出し方向に比べて小さくなる。例えば
、厚み１００μｍのある液晶ポリマーフィルムでは、押
出し方向に対して直角方向の弾性率は約１７１９である
。As mentioned above, liquid crystal polymer films or sheets are made by extrusion. In this case, liquid crystal polymers are generally oriented in the extrusion direction by the shear stress applied during extrusion forming IIv, so that each molecule is aligned in a rigid rod shape in an orderly manner, and exhibits properties of high strength and high elastic modulus only in this direction. Since molecular orientation does not occur in directions other than the extrusion direction, the strength and elastic modulus are smaller than in the extrusion direction. For example, a liquid crystal polymer film with a thickness of 100 μm has a modulus of elasticity of about 1719 in the direction perpendicular to the extrusion direction.
第４図はこのようなｉｌ１品ポリマー成型物４１を示し
たちのて、矢印４２を配向方向（成型時の押１申し方向
）とすると、これと同じ方向における引張り荷ｉ Ｗ
ｌ 、 Ｗ ２には強いが、これと直角の方向における
引張り荷ｆｆｉ Ｗ ３ 、 Ｗ ４に対しては、Ｗ３
゜Ｗ４がＷｌ、Ｗ２に満たない場合であっても耐えるこ
とかできず、容易に＠ｌ析してしまう。FIG. 4 shows such an IL1 polymer molded product 41, and assuming that the arrow 42 is the orientation direction (the direction of pressing during molding), the tensile load i W in the same direction is shown in FIG.
l, W2, but for tensile loads ffi W3, W4 in the direction perpendicular to this, W3
Even if ゜W4 is less than Wl and W2, it cannot withstand it and easily undergoes @l analysis.
従って、液晶ポリマー成型物を用いて実際に種々の構造
物を製作した場合、構造物の形状・用途″、−によって
は上記の配向性による機械的強度の不足か間ｊのとなり
、高強度・高弾性・低密度という液晶ポリマーの特長か
生かされない。換言すればｉｔｋ晶ポリマー成型物を（
＾１造物に用いるためには、配向性を考慮に入れて設計
をしなければならす、また配向けによって適用可能な用
途がかなり限定されるという問題がある。Therefore, when various structures are actually manufactured using liquid crystal polymer moldings, depending on the shape and purpose of the structure, the mechanical strength may be insufficient due to the orientation described above, and high strength or The characteristics of liquid crystal polymers such as high elasticity and low density are not fully utilized.In other words, the ITK crystal polymer molded product (
^1 In order to use it in a structure, it is necessary to take the orientation into consideration when designing it, and there is also the problem that the applicable uses are considerably limited depending on the orientation.
（発明が解決しようとする課題）
上述したように、フィルム状またはシート状の液晶ポリ
マー成型物は、成型時に発生する配向けにより機械的強
度や弾性が異方性を示すため、（１■造物として用いる
場合には配向性を考慮して設計する必要があり、設計が
難しいことと、配向性により用途が限定されるという問
題があった。(Problems to be Solved by the Invention) As mentioned above, film-like or sheet-like liquid crystal polymer molded products exhibit anisotropy in mechanical strength and elasticity depending on the orientation that occurs during molding. When used as such, it is necessary to design with orientation in mind, and there are problems in that the design is difficult and the applications are limited by orientation.
本発明はこれらの問題点を解決し、液晶ポリマ成型物を
用いて構造物を製作する場合に配向性をほとんど考慮せ
ずに１投計かでき、また種々の用途に適用できる液晶ポ
リマー複合体及びその製造方法を提供することを目的と
する。The present invention solves these problems, and provides a liquid crystal polymer composite that can be used in a variety of applications, and can be used in a variety of applications when manufacturing structures using liquid crystal polymer moldings, with little consideration of orientation. The purpose is to provide a method for producing the same.
［発明の構成１
（課題を解決するための手段）
本発明の液晶ポリマー複合体は、フィルム状またはシー
ト状の液晶ポリマー成型物を配向方向を異ならせて複数
枚積層し一体化したものである。[Structure 1 of the Invention (Means for Solving the Problems) The liquid crystal polymer composite of the present invention is obtained by laminating and integrating a plurality of film-like or sheet-like liquid crystal polymer molded products with different orientation directions. .
また、本発明はこのような液晶ポリマー複合体を製造す
るに際し、液晶ポリマーをフィルム状またはシート状に
押出し成型により成型し、それにより得られた液晶ポリ
マー成型物を押出し成型における押出し方向を異ならせ
て複数枚積層し、接着剤により一体化することを特徴と
する。Furthermore, in producing such a liquid crystal polymer composite, the present invention involves extrusion molding a liquid crystal polymer into a film or sheet, and extruding the resulting liquid crystal polymer molded product by changing the extrusion direction during extrusion molding. It is characterized by laminating multiple sheets together and integrating them with adhesive.
（作 用）
液晶ポリマーをフィルム状またはシート状に成型した液
晶ポリマー成型物はその配向方向、すなわち押出し成型
における押出し方向に高強度・高弾性率の特性を示す。(Function) A liquid crystal polymer molded product obtained by molding a liquid crystal polymer into a film or sheet form exhibits characteristics of high strength and high elastic modulus in its orientation direction, that is, in the extrusion direction in extrusion molding.
従って、このようなフィルム状またはシート状の液晶ポ
リマー成型物をそれぞれの配向方向を異ならせて複数枚
積層し、接着剤等により一体化したｔ成品ポリマー複合
体は、フィルムまたはシートの市内で異なる複数の方向
に高強度・高弾性率の特性を示し、擬似的に等方性の性
質を！−’ｊつ。また、この擬似等方法の性質は、積層
する液晶ポリマー成型物の枚数か多いほど頭ととなる。Therefore, a T-product polymer composite made by laminating a plurality of such film-like or sheet-like liquid crystal polymer moldings with different orientation directions and integrating them with an adhesive etc. can be manufactured within the same city as the film or sheet. It exhibits high strength and high elastic modulus in multiple different directions, giving it pseudo-isotropic properties! -'j one. Furthermore, the properties of this pseudo isomethod become more pronounced as the number of liquid crystal polymer moldings to be laminated increases.
従って、この液晶ポリマー複合体を用いて構造物を製作
する場合、設計時に液晶ポリマー成型物の配向性を考慮
する必要はほとんどなく、また適＋［Ｊ ｉｉＪ能な用
途も拡大される。Therefore, when manufacturing a structure using this liquid crystal polymer composite, there is almost no need to consider the orientation of the liquid crystal polymer molded product at the time of design, and the range of possible uses is expanded.
（実施例） 以下、図面を参照して本発明の詳細な説明する。(Example) Hereinafter, the present invention will be described in detail with reference to the drawings.
第１図に本発明の一実施例に係る液晶ポリマーｉ勘合体
の構成を示す。同図に示すように、本実施例の液晶ポリ
マー腹合体は２枚のフィルム状またはシート状の液晶ポ
リマー成型物１．２をその配向方向４．５が互いにほぼ
°９０°の角度をなすように積層し、接着剤３により固
定した構造となっている。液晶ポリマー成型物１，２の
材料としては、例えばポリエステル系の液晶ポリマーか
用いられる。また、接着剤３はエポキシ系接呑剤その他
の一般的に前月１されている接着剤を用いることができ
、液晶ポリマー）Ｊ１２合体を用いて（１が成される構
造物の用途等に応じて適宜選択すればよい。FIG. 1 shows the structure of a liquid crystal polymer i-merged body according to an embodiment of the present invention. As shown in the figure, the liquid crystal polymer polymer composite of this example is made by forming two film-like or sheet-like liquid crystal polymer moldings 1.2 such that their orientation directions 4.5 form an angle of approximately 90° with respect to each other. It has a structure in which it is laminated and fixed with adhesive 3. As the material for the liquid crystal polymer molded products 1 and 2, for example, a polyester-based liquid crystal polymer is used. In addition, the adhesive 3 can be an epoxy-based swallowing agent or other adhesives that are generally used in the previous month. You can select it as appropriate.
この液晶ポリマー複合体の製造工程の一例を説明すると
、まず上記の液晶ポリマーを用いて押出し成型により数
十μｍ〜数ｍｍ程度の厚さのフィルム状またはソート状
の液晶ポリマー成型物１，２を作製する。こうして得ら
れた液晶ポリマー複合物１．２の押出し方向、すなわち
配向方向を矢印４．５に示す。To explain an example of the manufacturing process of this liquid crystal polymer composite, first, using the above liquid crystal polymer, extrusion molding is performed to form liquid crystal polymer molded products 1 and 2 in the form of a film or sort with a thickness of several tens of μm to several mm. Create. The extrusion direction, that is, the alignment direction of the liquid crystal polymer composite 1.2 thus obtained is shown by arrow 4.5.
次に、これらの液晶ポリマー成型物１，２を図こポされ
るように、それぞれの配向方向４，５を互いに直角に交
差させて積層し、さらに接着剤３によって接着すること
により、液晶ポリマー複合体をｉする。Next, these liquid crystal polymer molded products 1 and 2 are laminated with their respective orientation directions 4 and 5 intersecting each other at right angles as shown in the figure, and further bonded with an adhesive 3 to form a liquid crystal polymer. i the complex.
この実施例の液晶ポリマー複合体は矢印４．５の両方向
に高強度・高弾性率の特性を示し、これら両方向におけ
る応力に強いものとなるので、液晶ポリマー成型物単体
での前述した欠点か解消される。すなわち、この液晶ポ
リマー複合体は全体としてはＭ ｔｎ ：’；方性とな
るので、この複合体を用いて構造物を製作する場合、液
晶ポリマー成型物１．２個々の配向性をｔ（識せずに設
計することができ、また形状や用途の異なる種々の構造
物に応用することかできる。The liquid crystal polymer composite of this example exhibits characteristics of high strength and high elastic modulus in both directions of arrow 4.5, and is resistant to stress in both directions, eliminating the above-mentioned drawbacks of the liquid crystal polymer molded product alone. be done. In other words, this liquid crystal polymer composite as a whole has M tn :'; orientation, so when manufacturing a structure using this composite, the orientation of each liquid crystal polymer molded product 1.2 is t(discernible). In addition, it can be applied to a variety of structures with different shapes and uses.
第２図は本発明の他の実施例の７１に品ポリマー曵合体
を示したもので、４枚のフィルム状またはント状の液晶
ポリマー成型物１１．１２１３゜１４を積層し、接着剤
１５，１６．１７により一体化した（１■逍となってい
る。この場合、液晶ポリマー成型物］１．１−２．１３
．１４は各々の配向方向（押出し成型における押出し方
向）か矢印１８．１．９，２０．２］で示すように互い
にほぼ４５″ずつずれるように積層されている。FIG. 2 shows a product polymer assembly according to another embodiment of the present invention 71, in which four film-like or sheet-like liquid crystal polymer molded products 11.1213°14 are laminated, adhesive 15, 1.1-2.13 (In this case, liquid crystal polymer molded product) integrated by 16.17
．． 14 are laminated so as to be offset from each other by approximately 45'' as shown by the respective orientation directions (extrusion direction in extrusion molding) or arrows 18.1.9, 20.2].
本実施例の液晶ポリマー複合物は、はぼ４５°すつ異な
る４方向に高強度・、１弾性率の特性を示すので、第１
の実施例のものに比較してより等方性に近い特性となる
。The liquid crystal polymer composite of this example exhibits properties of high strength and a modulus of elasticity of 1 in four directions that differ by approximately 45 degrees.
The characteristics are closer to isotropy than those of the example.
第３図は本発明の液晶ポリマー複合体を用いて構成され
る（１１Ｓ造物の一例を示したものである。この構造物
は例えば回転ヘッド型ＶＴＲ（ビデオテープレコーダ）
において、回転ヘッドを所定の方向に移動させてオート
・トラッキングを行なうためのアクチュエータとして使
用されるムービングコイルのボビンであり、この例では
第２図に示した４層構造の液晶ポリマー複合体を中空円
筒状に形成してボビン３］とし、これにコイル（ムービ
ングコイル）３２を巻回している。FIG. 3 shows an example of a (11S) structure constructed using the liquid crystal polymer composite of the present invention. This structure is, for example, a rotating head type VTR (video tape recorder)
This is a moving coil bobbin used as an actuator to move a rotating head in a predetermined direction and perform auto-tracking.In this example, the four-layer liquid crystal polymer composite shown in Figure 2 is The bobbin 3 is formed into a cylindrical shape, and a coil (moving coil) 32 is wound around the bobbin 3.
このような構成にすれば、ボビン３１は円周ノｊ向（配
向方向１８）とこれに垂直な軸方向（配向方向２１）及
びこれらに対して斜めの方向（配向方向１９．２０）に
高強度・高弾性率の特性を示すので、全体として疑似等
方性とみなすことができ、信頼性及び耐久性の高いもの
となる。With such a configuration, the bobbin 31 has a height in the circumferential direction (orientation direction 18), an axial direction perpendicular to this (orientation direction 21), and a direction diagonal to these (orientation direction 19, 20). Since it exhibits properties of strength and high elastic modulus, it can be regarded as pseudo-isotropic as a whole, and has high reliability and durability.
本発明は上記した実施例に限定されるものではなく、例
えばフィルム状またはシート状の液晶ポリマー成型物の
積層枚数、それらの配向方向の角度差、及び積層順序等
は種々変更できる。また、本発明の液晶ポリマー複合体
の用途としてボビンを例示したが、これはあくまで−例
であり、他の種々の構造物に適Ｉ１１することが可能で
ある。The present invention is not limited to the above-described embodiments, and the number of layers of film-like or sheet-like liquid crystal polymer molded products, the angular difference in their alignment directions, the order of lamination, etc. can be variously changed. Further, although a bobbin has been illustrated as an example of the use of the liquid crystal polymer composite of the present invention, this is merely an example, and the present invention can be applied to various other structures.
［発明の効用］
本発明による液晶ポリマー複合体は、これを用いてｆＭ
逍物を製作する場合に液晶ポリマー成型物の白゛してい
る配向性（異方性）をはとんとと慮する必要がないため
、設計が極めて容易となり、また用途や１１弧状の異な
る種々の（１カ造物の１１カ成素＋１として利用するこ
とができ、ｌｆｔ品ポリマーの優れた特長を最大限に生
かすことかできる。[Efficacy of the Invention] The liquid crystal polymer composite according to the present invention can be used to obtain fM
When manufacturing ornaments, there is no need to take into account the white orientation (anisotropy) of liquid crystal polymer moldings, so the design is extremely easy, and it can be used for a variety of applications and 11 arc shapes. (It can be used as 11 elements + 1 in one polymer, making the best use of the excellent features of LFT polymers.)
第１図は本発明の一実施例に係る液晶ポリマー曳合体の
構成図、第２図は本発明の他の実施例に係る液晶ポリマ
ー複合体の斜視図、第３図は本発明の液晶ポリマー複合
体を用いた（１°１１造物の一例を示す斜視図、第４図
はフィル１、状またはン−Ｉ・状の液晶ポリマー成型物
の配向性を説明するための斜ａＬ図である。
１．２，１１，１２．１３．１４・・フィルム状または
シート状の液晶ポリマー成型物、３１５１６．１７ ・
接占剤、４５．１８．１９２０配向方向
（押出し方向）
・・ボビン
（構造物）
２・・・コイル。
出り軸人代理人FIG. 1 is a block diagram of a liquid crystal polymer composite according to an embodiment of the present invention, FIG. 2 is a perspective view of a liquid crystal polymer composite according to another embodiment of the present invention, and FIG. 3 is a diagram of a liquid crystal polymer of the present invention. FIG. 4 is a perspective view showing an example of a (1°11) molded product using a composite. FIG. 1.2,11,12.13.14...Film-like or sheet-like liquid crystal polymer molded product, 31516.17 ・
Occupying agent, 45.18.1920 Orientation direction (extrusion direction)...Bobbin (structure) 2...Coil. outgoing agent agent
Claims (2)
を配向方向を異ならせて複数枚積層し一体化してなるこ
とを特徴とする液晶ポリマー複合体。(1) A liquid crystal polymer composite formed by laminating and integrating a plurality of film-like or sheet-like liquid crystal polymer molded products with different orientation directions.
はシート状に成型し、得られた液晶ポリマー成型物を押
出し成型における押出し方向を異ならせて複数枚積層し
、接着剤により一体化して液晶ポリマー複合体を得るこ
とを特徴とする液晶ポリマー複合体の製造方法。(2) Molding a liquid crystal polymer into a film or sheet by extrusion molding, laminating multiple sheets of the obtained liquid crystal polymer molded product with different extrusion directions during extrusion molding, and integrating them with an adhesive to form a liquid crystal polymer composite. A method for producing a liquid crystal polymer composite, characterized in that it obtains a liquid crystal polymer composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32816188A JPH02172732A (en) | 1988-12-26 | 1988-12-26 | Liquid crystal polymer composite and production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32816188A JPH02172732A (en) | 1988-12-26 | 1988-12-26 | Liquid crystal polymer composite and production thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02172732A true JPH02172732A (en) | 1990-07-04 |
Family
ID=18207170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32816188A Pending JPH02172732A (en) | 1988-12-26 | 1988-12-26 | Liquid crystal polymer composite and production thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02172732A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018200355A (en) * | 2017-05-26 | 2018-12-20 | エルジー ディスプレイ カンパニー リミテッド | Electrooptical panel |
| EP3734334A4 (en) * | 2017-12-28 | 2020-12-23 | Hitachi Chemical Company, Ltd. | Laminate, wavelength conversion member, backlight unit, and image display device |
-
1988
- 1988-12-26 JP JP32816188A patent/JPH02172732A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018200355A (en) * | 2017-05-26 | 2018-12-20 | エルジー ディスプレイ カンパニー リミテッド | Electrooptical panel |
| EP3734334A4 (en) * | 2017-12-28 | 2020-12-23 | Hitachi Chemical Company, Ltd. | Laminate, wavelength conversion member, backlight unit, and image display device |
| US10960651B2 (en) | 2017-12-28 | 2021-03-30 | Showa Denko Materials Co., Ltd. | Laminate, wavelength conversion member, backlight unit, and image display device |
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