JP2981889B1 - Thermoplastic polymer molded body - Google Patents
Thermoplastic polymer molded bodyInfo
- Publication number
- JP2981889B1 JP2981889B1 JP10274858A JP27485898A JP2981889B1 JP 2981889 B1 JP2981889 B1 JP 2981889B1 JP 10274858 A JP10274858 A JP 10274858A JP 27485898 A JP27485898 A JP 27485898A JP 2981889 B1 JP2981889 B1 JP 2981889B1
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystalline
- crystalline polymer
- polymer
- polyester
- based non
- 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 - Lifetime
Links
Abstract
【要約】
【課題】 液晶性高分子を含む三成分高分子ブレンドの
押出し成形体を提供する。
【解決手段】 ポリエステル系液晶性高分子とポリエス
テル系非液晶性高分子とポリアミド系非液晶性高分子か
らなる溶融混合物の押出成形体であって、該ポリアミド
系非液晶性高分子はマトリックス相を形成し、該ポリエ
ステル系液晶性高分子と該ポリエステル系非液晶性高分
子は分散相を形成し、該ポリエステル系液晶性高分子は
該ポリエステル系非液晶性高分子によって包囲されてい
ることを特徴とする熱可塑性高分子成形体。An extruded product of a ternary polymer blend containing a liquid crystalline polymer is provided. SOLUTION: This is an extruded product of a molten mixture composed of a polyester-based liquid crystalline polymer, a polyester-based non-liquid crystalline polymer, and a polyamide-based non-liquid crystalline polymer, wherein the polyamide-based non-liquid crystalline polymer has a matrix phase. The polyester-based liquid crystalline polymer and the polyester-based non-liquid crystalline polymer form a dispersed phase, and the polyester-based liquid crystalline polymer is surrounded by the polyester-based non-liquid crystalline polymer. Thermoplastic polymer moldings.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、３種の熱可塑性高
分子からなる押出し成形体に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extruded product comprising three kinds of thermoplastic polymers.
【０００２】[0002]
【従来の技術】少なくとも２種の熱可塑性高分子を混合
することによって、相互の高分子の持つ欠点が改善され
たブレンド体を得ることは知られている。しかしなが
ら、従来のブレンド体はいずれも非液晶性高分子のブレ
ンド体であって、液晶性高分子を含むブレンド体は非常
に少なく、また、通常の液晶性ブレンド体では、液晶性
高分子／非液晶性高分子の２種の高分子のブレンドであ
り、液晶性高分子の高配向性を生かすためには、ブレン
ド相手の非液晶性高分子が限定される。2. Description of the Related Art It is known to obtain a blend in which at least two kinds of thermoplastic polymers are mixed to improve the disadvantages of the mutual polymers. However, the conventional blends are all non-liquid crystalline polymer blends, and very few blends contain a liquid crystalline polymer. It is a blend of two kinds of liquid crystalline polymers. In order to make use of the high orientation of the liquid crystalline polymers, the non-liquid crystalline polymers to be blended are limited.
【０００３】[0003]
【発明が解決しようとする課題】本発明は液晶性高分子
を含む三成分高分子ブレンドの押出し成形体を提供する
ことをその課題とする。An object of the present invention is to provide an extruded product of a ternary polymer blend containing a liquid crystalline polymer.
【０００４】[0004]
【課題を解決するための手段】本発明によれば、ポリエ
ステル系液晶性高分子とポリエステル系非液晶性高分子
とポリアミド系非液晶性高分子からなる溶融混合物の押
出成形体であって、該ポリアミド系非液晶性高分子はマ
トリックス相を形成し、該ポリエステル系液晶性高分子
と該ポリエステル系非液晶性高分子は分散相を形成し、
該ポリエステル系液晶性高分子は該ポリエステル系非液
晶性高分子によって包囲されていることを特徴とする熱
可塑性高分子成形体が提供される。According to the present invention, there is provided an extruded product of a molten mixture comprising a polyester-based liquid crystalline polymer, a polyester-based non-liquid crystalline polymer, and a polyamide-based non-liquid crystalline polymer. The polyamide-based non-liquid crystalline polymer forms a matrix phase, the polyester-based liquid crystalline polymer and the polyester-based non-liquid crystalline polymer form a dispersed phase,
A thermoplastic polymer molding is provided, wherein the polyester-based liquid crystalline polymer is surrounded by the polyester-based non-liquid crystalline polymer.
【０００５】[0005]
【発明の実施の形態】本発明では、ブレンド素材として
ポリエステル系液晶性高分子（Ａ）を用いるが、このよ
うな高分子は従来良く知られており、例えば、エコノー
ル（住友化学）、ベクトラ（ＶＥＣＴＲＡ）（ポリプラ
スチック）、ロッドラン（ユニチカ）等が挙げられる。
本発明では、そのブレンド素材としてポリエステル系非
液晶性高分子Ｂを用いるが、このような高分子は従来良
く知られており、例えば、ポリエチレンテレフタレート
（ＰＥＴ）や、ポリエチレンナフタレート（ＰＥＮ）、
ポリブチレンテレフタレート（ＰＢＴ）等が挙げられ
る。本発明では、そのブレンド素材としてポリアミド系
非液晶性高分子Ｃを用いるが、このような高分子は従来
良く知られており、例えば、ポリ（メタキシレンアジパ
ミド）や、各種ナイロン（ナイロン６、ナイロン６６、
ナイロン４６、ナイロン１２）等が挙げられる。BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, a polyester-based liquid crystalline polymer (A) is used as a blend material. Such polymers are well known in the art, for example, Econol (Sumitomo Chemical), Vectra (Vectra). VECTRA) (polyplastic), rod run (Unitika) and the like.
In the present invention, a polyester-based non-liquid crystalline polymer B is used as the blend material, and such polymers are well known in the art. For example, polyethylene terephthalate (PET), polyethylene naphthalate (PEN),
And polybutylene terephthalate (PBT). In the present invention, a polyamide-based non-liquid crystalline polymer C is used as the blend material, and such a polymer is well known in the art. Examples thereof include poly (meta-xylene adipamide) and various nylons (nylon 6). , Nylon 66,
Nylon 46, nylon 12) and the like.
【０００６】本発明の押出し成形体（ブレンド体）を得
るには、前記３者の高分子Ａ、Ｂ、Ｃを溶融混合し、押
出機の先端ダイスから押出し成形する。成形体の形状は
特に制約されず、繊維、ストランド、シート等の各種の
形状であることができる。前記押出し成形体を得る場
合、そのポリエステル系液晶性高分子のＡの配合量は、
三者の高分子Ａ、Ｂ、Ｃの合計量に対する重量比率
〔［Ａ］／（［Ａ］＋［Ｂ］＋［Ｃ］）〕で、５〜５０
重量％、好ましくは５〜３０重量％である。また、高分
子Ｂと高分子Ｃとの重量比率（［Ｂ］／［Ｃ］）は、４
０／６０〜６０／４０、好ましくは４５／５５〜５５／
４５の範囲である。In order to obtain the extruded product (blended product) of the present invention, the above three polymers A, B and C are melt-mixed and extruded from a tip die of an extruder. The shape of the molded body is not particularly limited, and may be various shapes such as a fiber, a strand, and a sheet. When obtaining the extruded product, the compounding amount of A of the polyester-based liquid crystalline polymer is:
The weight ratio [[A] / ([A] + [B] + [C])] to the total amount of the three polymers A, B, and C is 5 to 50.
% By weight, preferably 5 to 30% by weight. The weight ratio of polymer B to polymer C ([B] / [C]) is 4
0 / 60-60 / 40, preferably 45 / 55-55 /
The range is 45.
【０００７】本発明で用いる高分子Ａ、Ｂ及びＣ相互の
融点の関係を示すと、ポリエステル系液晶性高分子Ａの
融点が高く、ポリエステル系非液晶性高分子Ｂとポリア
ミド系非液晶性高分子Ｃの融点が低い。高分子Ａと高分
子Ｂ及びＣとの融点の差は、１０〜９０℃、好ましくは
２０〜４０℃程度である。The relationship between the melting points of the polymers A, B and C used in the present invention is shown below. The melting point of the polyester-based liquid crystalline polymer A is high, and the polyester-based non-liquid crystalline polymer B and the polyamide-based non-liquid crystalline polymer have a high melting point. The melting point of molecule C is low. The difference between the melting points of the polymer A and the polymers B and C is 10 to 90 ° C, preferably about 20 to 40 ° C.
【０００８】本発明により得られる押出し成形体は、高
分子Ｃからなるマトリックス相（連続相）中に高分子Ａ
及び高分子Ｂが分散した状態で存在する。そして、高分
子Ａと高分子Ｂの両者は、高分子Ａが高分子Ｂで包囲さ
れた構造、即ち、高分子Ａが芯部となり、高分子Ｂがそ
の周囲部（鞘部）となる芯鞘構造のフィブリルを形成す
る。この場合、芯部を形成する高分子Ａの形状は円柱状
ないしフイブリル状であり、その太さ（径）は５μｍ以
下である。それを包囲する高分子Ｂの鞘部の厚さは１〜
５μｍ程度である。The extruded product obtained according to the present invention comprises a polymer A in a matrix phase (continuous phase) composed of polymer C.
And the polymer B exist in a dispersed state. The polymer A and the polymer B both have a structure in which the polymer A is surrounded by the polymer B, that is, a core in which the polymer A is a core portion and the polymer B is a peripheral portion (sheath portion). Form sheath-shaped fibrils. In this case, the shape of the polymer A forming the core is cylindrical or fibril-shaped, and its thickness (diameter) is 5 μm or less. The thickness of the sheath of polymer B surrounding it is 1 to
It is about 5 μm.
【０００９】[0009]
【実施例】次に本発明を実施例によりさらに詳細に説明
する。Next, the present invention will be described in more detail with reference to examples.
【００１０】実施例１ 高分子材料としては、以下に示す３種のものを用いた。 （１）高分子Ａ ポリエステル系液晶性高分子（融点：約２８０℃） （２）高分子Ｂ ポリエチレンテレフタレート（融点：約２５０℃） （３）高分子Ｃ ポリ（メタキシレンジアミン）（融点：約２４０℃） 前記高分子Ａ２０重量部、高分子Ｂ４０重量部及び高分
子Ｃ４０重量部を約２９０℃（２８０〜３００℃の範
囲）で混練機を用いて溶融混合し、約３００℃（２９０
〜３１０℃の範囲）でダイスから太さ１ｍｍのストラン
ド状に押出した。この押出し成形体において、そのマト
リックス相は高分子Ｃからなり、高分子Ａと高分子Ｂと
は分散相を形成し、その高分子Ａは高分子Ｂで包囲され
ている構造を有することが確認された。Example 1 The following three kinds of polymer materials were used. (1) Polymer A polyester-based liquid crystalline polymer (melting point: about 280 ° C.) (2) Polymer B polyethylene terephthalate (melting point: about 250 ° C.) (3) Polymer C poly (meta-xylene diamine) (melting point: about (240 ° C.) 20 parts by weight of the polymer A, 40 parts by weight of the polymer B and 40 parts by weight of the polymer C are melt-mixed at about 290 ° C. (in the range of 280 to 300 ° C.) using a kneader, and then mixed at about 300 ° C. (290 ° C.).
(In the range of up to 310 ° C.) from a die into a 1 mm-thick strand. In this extruded product, it was confirmed that the matrix phase was composed of polymer C, and polymer A and polymer B formed a dispersed phase, and that polymer A had a structure surrounded by polymer B. Was done.
【００１１】[0011]
【発明の効果】本発明による高分子成形体は、力学的性
質や熱的性質にすぐれた液晶性高分子を含有し、すぐれ
た機械的及び熱的物性を有し、シート状、繊維状、スト
ランド状等の形状で各種の用途に用いることができる。The polymer molded article according to the present invention contains a liquid crystalline polymer having excellent mechanical and thermal properties, has excellent mechanical and thermal properties, and has a sheet shape, a fibrous shape, It can be used in various applications in the form of a strand or the like.
フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ // Ｂ２９Ｋ 67:00 77:00 (58)調査した分野(Int.Cl.6，ＤＢ名) C08J 5/00 B29C 47/00 C08L 67/02 C08L 77/00 B29K 67:00 B29K 77:00 Continuation of the front page (51) Int.Cl. 6 identification code FI // B29K 67:00 77:00 (58) Field surveyed (Int.Cl. 6 , DB name) C08J 5/00 B29C 47/00 C08L 67 / 02 C08L 77/00 B29K 67:00 B29K 77:00
Claims (2)
テル系非液晶性高分子とポリアミド系非液晶性高分子か
らなる溶融混合物の押出成形体であって、該ポリアミド
系非液晶性高分子はマトリックス相を形成し、該ポリエ
ステル系液晶性高分子と該ポリエステル系非液晶性高分
子は分散相を形成し、該ポリエステル系液晶性高分子は
該ポリエステル系非液晶性高分子によって包囲されてい
ることを特徴とする熱可塑性高分子成形体。An extruded product of a molten mixture comprising a polyester-based liquid crystalline polymer, a polyester-based non-liquid crystalline polymer, and a polyamide-based non-liquid crystalline polymer, wherein the polyamide-based non-liquid crystalline polymer is a matrix phase. Wherein the polyester-based liquid crystalline polymer and the polyester-based non-liquid crystalline polymer form a dispersed phase, and the polyester-based liquid crystalline polymer is surrounded by the polyester-based non-liquid crystalline polymer. Characterized thermoplastic polymer moldings.
［Ａ］と該ポリエステル系非液晶性高分子の含有量
［Ｂ］と該ポリアミド系非液晶性高分子の含有量［Ｃ］
の合計量に対する該ポリエステル系液晶性高分子の含有
量［Ａ］の割合〔［Ａ］／（［Ａ］＋［Ｂ］＋
［Ｃ］）〕が５〜５０重量％であり、該ポリエステル系
非液晶性高分子の含有量［Ｂ］と該ポリアミド系非液晶
性高分子の含有量［Ｃ］との重量比（［Ｂ］／［Ｃ］）
が４０／６０〜６０／４０の範囲にあることを特徴とす
る請求項１の熱可塑性高分子成形体。2. The content of the polyester-based liquid crystalline polymer [A], the content of the polyester-based non-liquid crystalline polymer [B], and the content of the polyamide-based non-liquid crystalline polymer [C].
Of the polyester-based liquid crystalline polymer [A] to the total amount of [A] / ([A] + [B] +
[C])] is 5 to 50% by weight, and the weight ratio of the content [B] of the polyester-based non-liquid crystalline polymer to the content [C] of the polyamide-based non-liquid crystalline polymer ([B ] / [C])
Is in the range of 40/60 to 60/40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10274858A JP2981889B1 (en) | 1998-09-29 | 1998-09-29 | Thermoplastic polymer molded body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10274858A JP2981889B1 (en) | 1998-09-29 | 1998-09-29 | Thermoplastic polymer molded body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2981889B1 true JP2981889B1 (en) | 1999-11-22 |
| JP2000103867A JP2000103867A (en) | 2000-04-11 |
Family
ID=17547566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10274858A Expired - Lifetime JP2981889B1 (en) | 1998-09-29 | 1998-09-29 | Thermoplastic polymer molded body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2981889B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080253411A1 (en) * | 2004-04-16 | 2008-10-16 | D.K. And E.L. Mc Phail Enterprises Pty Ltd. | Optically Active Matrix with Void Structures |
| JP5236473B2 (en) * | 2006-07-18 | 2013-07-17 | 旭化成ケミカルズ株式会社 | Polyamide composition |
-
1998
- 1998-09-29 JP JP10274858A patent/JP2981889B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000103867A (en) | 2000-04-11 |
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