JPH0130934B2 - - Google Patents
Info
- Publication number
- JPH0130934B2 JPH0130934B2 JP58150344A JP15034483A JPH0130934B2 JP H0130934 B2 JPH0130934 B2 JP H0130934B2 JP 58150344 A JP58150344 A JP 58150344A JP 15034483 A JP15034483 A JP 15034483A JP H0130934 B2 JPH0130934 B2 JP H0130934B2
- Authority
- JP
- Japan
- Prior art keywords
- yarn
- filament yarn
- composite
- filament
- fiber structure
- 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
- 239000000835 fiber Substances 0.000 claims description 35
- 239000002131 composite material Substances 0.000 claims description 33
- 229920001169 thermoplastic Polymers 0.000 claims description 13
- 238000003856 thermoforming Methods 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 8
- 239000003779 heat-resistant material Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000002759 woven fabric Substances 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 7
- 239000004917 carbon fiber Substances 0.000 description 7
- 239000004744 fabric Substances 0.000 description 7
- -1 polybutylene terephthalate Polymers 0.000 description 7
- 229920001707 polybutylene terephthalate Polymers 0.000 description 5
- 239000012779 reinforcing material Substances 0.000 description 5
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 239000004760 aramid Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 229920006231 aramid fiber Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920001230 polyarylate Polymers 0.000 description 2
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- YAUZDUXTENTYLR-UHFFFAOYSA-N 2,7-diaminofluoren-1-one Chemical compound NC1=CC=C2C3=CC=C(N)C(=O)C3=CC2=C1 YAUZDUXTENTYLR-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 239000004953 Aliphatic polyamide Substances 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920004695 VICTREX™ PEEK Polymers 0.000 description 1
- 229920003231 aliphatic polyamide Polymers 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-L isophthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC(C([O-])=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-L 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920001652 poly(etherketoneketone) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled threads
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
- D02G3/402—Yarns in which fibres are united by adhesives; Impregnated yarns or threads the adhesive being one component of the yarn, i.e. thermoplastic yarn
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
- D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、新規な熱成型用複合繊維構造物に関
する。更に詳しくは、熱成型によつて熱可塑性重
合体をマトリツクスとし高強度高モジユラスフイ
ラメント糸を補強材とする複合体となし得る、新
規な熱成型用複合繊維構造物に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a novel composite fiber structure for thermoforming. More specifically, the present invention relates to a novel composite fiber structure for thermoforming, which can be made into a composite by thermoforming using a thermoplastic polymer as a matrix and a high-strength, high-modulus filament yarn as a reinforcing material.
従来技術
例えば、炭素繊維、ポリアリレート繊維あるい
はポリ（パラフエニレンテレフタルアミド）繊維
のようなパラ配向の全芳香族ポリアミド繊維等の
耐熱性を有する高強度高モジユラス繊維を補強材
とし、エポキシ樹脂、不飽和ポリエステル樹脂等
の熱硬化性樹脂をマトリツクスとする複合材（コ
ンポジツト）は、従来から広く使用されている。Prior Art For example, a heat-resistant, high-strength, high-modulus fiber such as carbon fiber, polyarylate fiber, or para-oriented fully aromatic polyamide fiber such as poly(paraphenylene terephthalamide) fiber is used as a reinforcing material, and epoxy resin, Composites having a matrix of thermosetting resins such as unsaturated polyester resins have been widely used.
かかる複合材の中間製品としては、プリプレグ
が使用されているが、従来のプリプレグは、
(1) プリプレグを−20℃程度の低温で貯蔵し、か
つ輸送しなければならない。 Prepreg is used as an intermediate product for such composite materials, but conventional prepreg requires: (1) Prepreg must be stored and transported at a low temperature of about -20°C.
(2) プリプレグが経時変化するため、保存期間は
高々３〜５ケ月であり、長期の貯蔵に耐えな
い。(2) Since the prepreg changes over time, its storage period is at most 3 to 5 months, and it cannot withstand long-term storage.
(3) 成形加工に要する時間が長い。(3) The time required for molding is long.
(4) プリプレグが脆いため、取扱いに特別の注意
を要する。(4) Prepreg is fragile and requires special care when handling.
という問題がある。There is a problem.
発明の目的
本発明者らは、前述のような従来のプリプレグ
の諸問題を解決すべく研究の結果、ある分野にお
いては熱可塑性重合体をマトリツクスとする複合
材（コンポジツト）でも十分に有用であることを
知見した。本発明は、かかる知見に基づくもの
で、熱成型によつて容易に良好な複合材となし得
る繊維構造物を提供することを主たる目的とする
ものである。Purpose of the Invention The present inventors have conducted research to solve the problems of conventional prepregs as described above, and have found that composite materials with a thermoplastic polymer matrix are sufficiently useful in certain fields. I found out that. The present invention is based on this knowledge, and its main purpose is to provide a fiber structure that can be easily made into a good composite material by thermoforming.
発明の構成
前述の目的を達成し得る本発明の繊維構造物
は、耐熱性素材からなる高強度高モジユラスフイ
ラメント糸(A)及び成形条件下で溶融可能な熱可塑
性重合体フイラメント糸(B)とを含む糸束の周囲に
前記熱可塑性合成重合体フイラメント(B)を捲回さ
せた複合糸を経糸に用い、かつ実質的に前記熱可
塑性重合体フイラメント糸(B)のみからなる緯糸を
打込んで織物状に構成し、熱成型によつて熱可塑
性重合体のマトリツクス中に前記高強度高モジユ
ラスフイラメント糸(A)の補強材が配列している複
合材となし得る、熱成型用複合繊維構造物であ
る。Structure of the Invention The fiber structure of the present invention capable of achieving the above-mentioned objects comprises a high-strength, high-modulus filament yarn (A) made of a heat-resistant material and a thermoplastic polymer filament yarn (B) that can be melted under molding conditions. ) is used as the warp, and the weft consists essentially only of the thermoplastic polymer filament yarn (B). Thermoforming, which can be formed into a woven fabric by pouring and thermoforming into a composite material in which the reinforcing material of the high-strength, high-modulus filament yarn (A) is arranged in a matrix of thermoplastic polymer. It is a composite fiber structure for use.
本発明の繊維構造物を構成する「耐熱性素材か
らなる高強度高モジユラスフイラメント糸(A)」
は、250℃の温度でも安定な、無機材料又は耐熱
性合成高分子重合体からなる、強度20ｇ／de以
上、初期モジユラス300ｇ／de以上のマルチフイ
ラメント糸をいう。 "High-strength, high-modulus filament yarn (A) made of heat-resistant material" constituting the fiber structure of the present invention
refers to a multifilament yarn with a strength of 20 g/de or more and an initial modulus of 300 g/de or more, made of an inorganic material or a heat-resistant synthetic polymer that is stable even at a temperature of 250°C.
このようなフイラメント糸としては、例えば(1)
ポリアクリロニトリル繊維又はピツチ繊維を原料
とする高性能炭素繊維、(2)アルミナ繊維、炭化ケ
イ素繊維のようセラミツク繊維、(3)ガラス繊維、
(4)ポリアクリレート繊維、例えばポリ（クロロ−
１，４−フエニレンエチルジオキシ−４，4′−ジ
ベンゾエート／テレフタレート）やビスフエノー
ルＡとテレフタル酸及びイソフタル酸とからのポ
リアリレート繊維、(5)アラミド繊維、例えばポリ
（パラフエニレンテレフタルアミド）繊維、２，
７−ジアミノフエナンスリドン、２，７−ジアミ
ノフルオレノンのテレフタラミドからなるアラミ
ドの繊維等からなるフイラメント糸が使用され
る。 Examples of such filament yarns include (1)
High-performance carbon fibers made from polyacrylonitrile fibers or pitch fibers, (2) ceramic fibers such as alumina fibers and silicon carbide fibers, (3) glass fibers,
(4) Polyacrylate fibers, such as poly(chloro-
(5) aramid fibers, e.g. amide) fiber, 2,
Filament yarns made of aramid fibers made of terephthalamide of 7-diaminophenanthridone and 2,7-diaminofluorenone are used.
一方、上記フイラメント糸(A)よりも低融点又は
低溶融性の熱可塑性重合体フイラメント糸(B)とし
ては、熱成型温度で完全に溶融し得るマルチフイ
ラメント糸であれば何れでもよいが、本発明者ら
の研究によれば、ナイロン６を主体とする脂肪族
ポリアミド、ポリブチレンテレフタレート、ポリ
（エチレンテレフタレート／イソフタレート）共
重合体及びポリエーテルイミド、ポリエーテルス
ルホン、ポリスルホン、ポリフエニレンスルフイ
ド、ポリエーテルエーテルケトン、ポリエーテル
ケトン、ポリエーテルエーテルケトンケトン、ポ
リエーテルケトンケトン、ポリアミドイミドの如
き熱可塑性スーパー・エンジニアリング・プラス
チツクスや溶融液晶性ポリマーであるポリアリレ
ート、更には一般エンジニアリング・プラスチツ
クのポリエチレン、ポリスチレン、ポリプロピレ
ン、ポリカーボネート、ポリメチルメタクリレー
ト等のポリマーからなるフイラメント糸が使用さ
れる。このフイラメント糸(B)は、熱成型時におけ
る流動性が必要であり、それ故、高配向のフイラ
メントよりも未延伸糸又は部分配向糸がより好ま
しく使用される。 On the other hand, the thermoplastic polymer filament yarn (B) having a lower melting point or melting property than the filament yarn (A) may be any multifilament yarn that can be completely melted at the thermoforming temperature. According to the inventors' research, aliphatic polyamides mainly composed of nylon 6, polybutylene terephthalate, poly(ethylene terephthalate/isophthalate) copolymers, polyetherimides, polyethersulfones, polysulfones, polyphenylene sulfides , polyetheretherketone, polyetherketone, polyetheretherketoneketone, polyetherketoneketone, thermoplastic super engineering plastics such as polyamideimide, polyarylate which is a molten liquid crystalline polymer, and general engineering plastics. Filament yarns made of polymers such as polyethylene, polystyrene, polypropylene, polycarbonate, polymethyl methacrylate, etc. are used. The filament yarn (B) needs to have fluidity during thermoforming, and therefore undrawn yarn or partially oriented yarn is more preferably used than highly oriented filament.
前記のフイラメント糸(A)及びフイラメント糸(B)
は、それぞれ１種ずつ使用してもよいが、２種以
上併用してもよい。 The above filament yarn (A) and filament yarn (B)
Each of these may be used singly, or two or more may be used in combination.
本発明の構造物は、経糸として、前記フイラメ
ント糸(A)とフイラメント糸(B)との両方を併用し、
緯糸として、前記フイラメント糸(B)のみを使用し
て、該緯糸を粗い間隔で打込んでスダレ織状にな
したものが好適である。 The structure of the present invention uses both the filament yarn (A) and the filament yarn (B) as warp yarns,
It is preferable to use only the filament yarn (B) as the weft yarn, and to insert the weft yarns at coarse intervals to form a weave pattern.
特に、フイラメント糸(A)とフイラメント糸(B)と
を引揃え又は混繊した糸の周りにフイラメント糸
(B)を捲回させて経糸としての集束性を与えると共
に、フイラメント糸(A)同士が密接しないようにす
るのが最適である。 In particular, filament yarn (A) and filament yarn (B) are placed around a yarn made by aligning or mixing filament yarn (A) and filament yarn (B).
It is optimal to wind the filament yarns (B) to provide convergence as warp yarns and to prevent the filament yarns (A) from coming into close contact with each other.
第１図は、このように織成した本発明の複合繊
維構造物の一例を示すもので、図中の１が耐熱性
素材からなる高強度高モジユラスフイラメント糸
(A)からなる糸条、２ａ，２ｂ及び２ｃはそれぞれ
前記フイラメント糸(A)よりも低融点又は低溶融性
の熱可塑性重合体フイラメント糸(B)からなる糸条
である。図示の構造物において、経糸は、前記フ
イラメント糸(A)からなる糸条１と前記フイラメン
ト糸(B)とからなる糸条２ａとを引揃え、これと前
記フイラメント糸(B)からなる糸条２ｂをラセン状
に捲回した複合糸条により構成され、緯糸は、前
記フイラメント糸(B)のみからなる糸条２ｃにより
構成されている。 Figure 1 shows an example of the composite fiber structure of the present invention woven in this way, and 1 in the figure is a high-strength, high-modulus filament yarn made of a heat-resistant material.
The yarns 2a, 2b, and 2c made of (A) are each made of a thermoplastic polymer filament yarn (B) having a lower melting point or meltability than the filament yarn (A). In the illustrated structure, the warp is formed by aligning a yarn 1 made of the filament yarn (A) and a yarn 2a made of the filament yarn (B), and 2b is wound in a helical shape to form a composite yarn, and the weft is comprised of a yarn 2c consisting only of the filament yarn (B).
本発明において、複合繊維構造物におけるフイ
ラメント糸(A)とフイラメント糸(B)との交織割合
は、成型後の複合材の用途によつて適宜選択すべ
きであるが、一般に、フイラメント糸Ａ／Ｂの容
積比にして、20／80〜70／30の範囲がよい。一般
に60／40〜30／70が好ましく、特に50／50〜40／
60が最適である。織物の目付も、成型後の複合材
の用途によつて異るが、通常、100〜1000ｇ／m2
が適当である。 In the present invention, the interweaving ratio of filament yarn (A) and filament yarn (B) in the composite fiber structure should be appropriately selected depending on the use of the composite material after molding, but in general, filament yarn A/ The volume ratio of B is preferably in the range of 20/80 to 70/30. Generally 60/40 to 30/70 is preferred, particularly 50/50 to 40/
60 is optimal. The basis weight of the fabric also varies depending on the use of the composite material after molding, but it is usually 100 to 1000 g/m 2
is appropriate.
また、フイラメント糸(A)の好ましい太さや構成
単繊維数等は、その素材に応じて変化するが、炭
素繊維、セラミツク繊維、ガラス繊維等の場合
は、単糸直径５〜12μｍ程度、構成単繊維数1000
〜10000本が好ましく、アラミド繊維、アリレー
ト繊維の場合は単糸デニール１〜5de／fil、糸デ
ニール（全デニール）1000〜5000deが好ましい。 In addition, the preferred thickness and number of constituent single fibers of the filament yarn (A) vary depending on the material, but in the case of carbon fiber, ceramic fiber, glass fiber, etc., the single thread diameter is about 5 to 12 μm, Number of fibers: 1000
-10000 is preferable, and in the case of aramid fibers and arylate fibers, single yarn denier is preferably 1 to 5 de/fil, and yarn denier (total denier) is preferably 1000 to 5000 de.
一方、フイラメント糸(B)は、熱成型時の溶融性
を考慮して、単糸デニールは小さい方がよく、３
〜10de／fil程度が好ましい。構成単繊維数は、
第１図の場合、糸条２ａでは100〜1000本、糸条
２ｂ及び２ｃでは10〜100本とするのが好ましい。 On the other hand, for the filament yarn (B), considering the meltability during thermoforming, the smaller the single yarn denier, the better.
~10 de/fil is preferred. The number of constituent single fibers is
In the case of FIG. 1, the number of threads 2a is preferably 100 to 1000, and the number of threads 2b and 2c is preferably 10 to 100.
なお、第１図の例では、経糸として、フイラメ
ント糸(A)からなる糸条１とフイラメント糸(B)から
なる糸条２ａとをそれぞれ１本ずつ引揃えたもの
を使用しているが、例えば糸条１を２〜３本と糸
条２ａの１〜２本とを引揃えてもよく、両糸条を
混繊してもよい。 In the example shown in FIG. 1, the warp yarns are one yarn 1 made of filament yarn (A) and one yarn 2a made of filament yarn (B). For example, two or three yarns 1 and one or two yarns 2a may be aligned, or both yarns may be mixed.
また、フイラメント糸(B)には、必要に応じて、
顔料、難燃剤、充填剤等を含んでもよい。 In addition, for the filament yarn (B), if necessary,
It may also contain pigments, flame retardants, fillers, etc.
発明の作用・効果
以上のような本発明の複合繊維構造物は、これ
を加熱プレス成型することにより、構造物中のフ
イラメント糸(B)が完全に溶融し、熱可塑性重合体
をマトリツクス中に補強材となるフイラメント糸
(A)が一方向に配列した複合材（コンポジツト）が
形成される。従つて、本発明の複合繊維構造物を
複数枚、経糸の方向が直交するように順次積層し
て加熱プレス成型すると、補強材となるフイラメ
ント糸が縦横両方向に配列した強靭な補強材（コ
ンポジツト）とすることができる。Functions and Effects of the Invention When the conjugate fiber structure of the present invention as described above is heated and press-molded, the filament threads (B) in the structure are completely melted, and the thermoplastic polymer is incorporated into the matrix. Filament yarn as reinforcement material
(A) A unidirectionally aligned composite material (composite) is formed. Therefore, when a plurality of composite fiber structures of the present invention are laminated one after another so that the warp directions are perpendicular to each other and hot press molded, a strong reinforcing material (composite) in which filament yarns serving as reinforcing materials are arranged in both the vertical and horizontal directions can be obtained. It can be done.
そして、本発明の複合繊維構造物は、従来の熱
硬化性樹脂を用いたプリプレグのような諸問題が
なく、しかも成型が極めて容易であるため、繊維
補強複合材の中間製品として、種々の用途に広く
使用することができる。 The composite fiber structure of the present invention does not have the problems of conventional prepregs using thermosetting resins, and is extremely easy to mold, so it can be used in various applications as an intermediate product for fiber-reinforced composite materials. can be widely used.
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。Examples Next, the present invention will be explained in more detail by examples.
実施例 １
ポリアクリロニトリルを原料とする市販の炭素
繊維からなるマルチフイラメント糸［］（強度
19ｇ／de、モジユラス1400ｇ／de、繊度
1800de／3000fil）及び、ポリブチレンテレフタ
レートを紡糸引取速度2500ｍ／分で溶融紡糸した
未延伸ポリブチレンテレフタレートマルチフイラ
メント糸［］（繊度300de／60fil、DSCで測定
した融点225℃）を用いて、本発明の複合繊維構
造物を製造した。Example 1 Multifilament yarn made of commercially available carbon fiber made from polyacrylonitrile [] (strength
19g/de, modulus 1400g/de, fineness
1800de/3000fil) and undrawn polybutylene terephthalate multifilament yarn [ ] (fineness 300de/60fil, melting point 225°C measured by DSC) obtained by melt-spinning polybutylene terephthalate at a spinning take-off speed of 2500 m/min. A composite fiber structure was manufactured.
まず、経糸用として、マルチフイラメント糸
［］２本とマルチフイラメント糸［］を５本
合撚した糸［′］２本とを引揃え、その周りに
マルチフイラメント糸［］を１本ラセン状に捲
回して集束性を与えた複合糸を形成した。 First, for the warp, two multifilament yarns [] and two yarns ['] made by twisting five multifilament yarns [] are aligned, and one multifilament yarn [] is arranged around them in a helical shape. A composite yarn with cohesive properties was formed by winding.
次に、これを経糸とし、マルチフイラメント糸
［］を緯糸として粗い間隔（20本／インチ）で
打込み、目付500ｇ／m2の混織物を得た。この混
織物におけるマルチフイラメント糸［］とマル
チフイラメント糸［］との容積割合は［］／
［］＝34／66であつた。 Next, this was used as the warp, and multifilament yarn [ ] was used as the weft and inserted at coarse intervals (20 threads/inch) to obtain a blended fabric with a basis weight of 500 g/m 2 . The volume ratio of multifilament yarn [] and multifilament yarn [] in this blended fabric is []/
[ ] = 34/66.
この混織物からなる本発明の複合繊維構造物を
互いに直交する方向に４枚重ね合せ、250℃の加
熱プレスで加熱加圧したところ、マルチフイラメ
ント糸［］のポリブチレンテレフタレートは完
全に溶融してマルチフイラメント糸［］の間隙
を満たして板状となり、ポリブチレンテレフタレ
ートのマトリツクス中に炭素繊維が互違いに直交
するように配列している複合板（コンポジツト）
が得られた。 When four composite fiber structures of the present invention made of this mixed fabric were stacked in a direction perpendicular to each other and heated and pressurized at 250°C, the polybutylene terephthalate of the multifilament yarn [ ] was completely melted. A composite plate (composite) that fills the gaps between multifilament yarns [] to form a plate shape, and carbon fibers are arranged alternately and perpendicularly in a polybutylene terephthalate matrix.
was gotten.
この複合板は、引張強度、衝撃強度、耐屈曲性
とも、きわめて良好なものであつた。 This composite plate had extremely good tensile strength, impact strength, and bending resistance.
実施例 ２
実施例１と同じ炭素繊維からなるマルチフイラ
メント糸［］及びポリエーテルエーテルケトン
（ICI社製「VICTREX」PEEK150G）を紡糸
引取速度260ｍ／分で溶融紡糸し、引続き延伸倍
率2.3で通常の加熱一段延伸を施した部分配向ポ
リエーテルエーテルケトンマルチフイラメント糸
［］（繊度300de／60fil）を用いて、実施例１と
同様に複合繊維構造物（混織物）を製造した。こ
の混織物におけるマルチフイラメント糸［］と
マルチフイラメント糸［］との容積割合は
［］／［］＝33／67であつた。Example 2 Multifilament yarn [] made of the same carbon fiber as in Example 1 and polyether ether ketone ("VICTREX" PEEK150G manufactured by ICI) were melt-spun at a spinning take-off speed of 260 m/min, followed by normal spinning at a draw ratio of 2.3. A composite fiber structure (mixed fabric) was produced in the same manner as in Example 1 using partially oriented polyetheretherketone multifilament yarn [] (fineness: 300de/60fil) that had been subjected to one-step heating and drawing. The volume ratio of the multifilament yarn [] and the multifilament yarn [] in this mixed fabric was []/[]=33/67.
この混織物からなる複合繊維構造物を実施例１
と同様に４枚重ね合せ、390℃の加熱プレスした
ところ、ポリエーテルエーテルケトンのマトリツ
クス中に炭素繊維が互違いに直交するように配列
している複合板（コンポジツト）が得られた。 Example 1 Composite fiber structure made of this blended fabric
When four sheets were piled up in the same manner and heated and pressed at 390°C, a composite plate was obtained in which carbon fibers were arranged alternately and perpendicularly in a polyetheretherketone matrix.
第１図は、本発明の熱成型用複合繊維構造物の
一例を示す平面見取図である。図中の１は耐熱製
素材からな高強力高モジユラスフイラメント糸(A)
からなる糸条、２ａ，２ｂ及び２ｃはそれぞれ成
型温度で溶融する熱可塑性重合体フイラメント糸
(B)からなる糸条を示す。
FIG. 1 is a plan view showing an example of the composite fiber structure for thermoforming of the present invention. 1 in the diagram is a high-strength, high-modulus filament yarn (A) made of heat-resistant material.
2a, 2b and 2c are thermoplastic polymer filament yarns that melt at the molding temperature, respectively.
(B) shows a thread consisting of
Claims (1)
ラメント糸(A)及び成型条件下で溶融可能な熱可塑
性重合体フイラメント糸(B)とを含む糸束の周囲に
前記熱可塑性重合体フイラメント糸(B)を捲回させ
た複合糸を経糸に用い、かつ実質的に前記熱可塑
性重合体フイラメント糸(B)のみからなる緯糸を打
込んで、織物状に構成し、成型条件下で前記熱可
塑性重合体フイラメント糸(B)が溶融してマトリツ
クス樹脂を形成するようになしたことを特徴とす
る熱成型用複合繊維構造物。 ２ 複合繊維構造物における耐熱性素材からなる
高強度高モジユラスフイラメント糸(A)の占める割
合が、20〜70容積％である特許請求の範囲第１項
記載の熱成型用複合繊維構造物。[Scope of Claims] 1. The heat is applied to the periphery of a yarn bundle containing a high-strength, high-modulus filament yarn (A) made of a heat-resistant material and a thermoplastic polymer filament yarn (B) that can be melted under molding conditions. A composite yarn wound with a plastic polymer filament yarn (B) is used as the warp, and a weft consisting essentially only of the thermoplastic polymer filament yarn (B) is inserted to form a woven fabric and molded. 1. A composite fiber structure for thermoforming, characterized in that the thermoplastic polymer filament yarn (B) melts under conditions to form a matrix resin. 2. The composite fiber structure for thermoforming according to claim 1, wherein the proportion of the high-strength, high-modulus filament yarn (A) made of a heat-resistant material in the composite fiber structure is 20 to 70% by volume. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58150344A JPS6045632A (en) | 1983-08-19 | 1983-08-19 | Composite fiber structure for thermal molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58150344A JPS6045632A (en) | 1983-08-19 | 1983-08-19 | Composite fiber structure for thermal molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6045632A JPS6045632A (en) | 1985-03-12 |
| JPH0130934B2 true JPH0130934B2 (en) | 1989-06-22 |
Family
ID=15494938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58150344A Granted JPS6045632A (en) | 1983-08-19 | 1983-08-19 | Composite fiber structure for thermal molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6045632A (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61282452A (en) * | 1985-05-31 | 1986-12-12 | カネボウ株式会社 | Moldable fabric |
| JPS626932A (en) * | 1985-07-01 | 1987-01-13 | 東レ株式会社 | Production of reinforcing fiber fabric |
| JPS62104939A (en) * | 1985-10-29 | 1987-05-15 | カネボウテキスタイル株式会社 | Production of knitted fabric |
| JPS6392748A (en) * | 1986-09-30 | 1988-04-23 | 株式会社トクヤマ | Fabric |
| JPH0617027B2 (en) * | 1986-10-13 | 1994-03-09 | 徳山曹達株式会社 | Method for producing composite |
| JPS63270834A (en) * | 1987-04-28 | 1988-11-08 | 東洋紡績株式会社 | Composite molding sheet and its production |
| JPH01104851A (en) * | 1987-10-16 | 1989-04-21 | Toyobo Co Ltd | Composite molding sheet |
| JPH01111040A (en) * | 1987-10-19 | 1989-04-27 | Toho Rayon Co Ltd | Blended fabric and molded article thereof |
| JPH01111037A (en) * | 1987-10-19 | 1989-04-27 | Toyobo Co Ltd | Molding composite fiber cloth |
| JPH01139842A (en) * | 1987-11-27 | 1989-06-01 | Toyobo Co Ltd | Composite molding sheet and its production |
| JP2545957B2 (en) * | 1988-12-15 | 1996-10-23 | 日東紡績株式会社 | Printed wiring boards and textiles for the same |
| JPH0318189U (en) * | 1989-07-03 | 1991-02-22 | ||
| JPH05329946A (en) * | 1991-02-13 | 1993-12-14 | Toshiba Corp | Fiber reinforced plastic material |
| JPH04352842A (en) * | 1991-05-24 | 1992-12-07 | Toray Ind Inc | Reinforcing mesh woven fabric and production thereof |
| JP2962443B2 (en) * | 1991-11-20 | 1999-10-12 | 東レ株式会社 | Mesh sheet |
| JPH07145532A (en) * | 1993-11-22 | 1995-06-06 | Motomikurosu Kogyo Kk | Lattice-like woven fabric and its production |
| JP6286022B2 (en) * | 2013-03-15 | 2018-02-28 | セリフォージ インコーポレイテッド | 3D weaving method of composite preform and product with graded cross-sectional topology |
| JP6368228B2 (en) * | 2014-11-28 | 2018-08-01 | 宇部エクシモ株式会社 | Fabric-reinforced resin molded body manufacturing method and fabric-reinforced resin molded body |
| JP5880671B1 (en) * | 2014-11-28 | 2016-03-09 | 株式会社豊田自動織機 | Shock absorber and method for producing shock absorber |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57129737A (en) * | 1981-01-28 | 1982-08-11 | Gen Electric | Composite article and its manufacture |
| JPS6028543A (en) * | 1983-07-27 | 1985-02-13 | 東レ株式会社 | Fiber reinforced thermoplastic resin molding material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5910137Y2 (en) * | 1979-02-02 | 1984-03-30 | 富士フアイバ−グラス株式会社 | composite roving |
-
1983
- 1983-08-19 JP JP58150344A patent/JPS6045632A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57129737A (en) * | 1981-01-28 | 1982-08-11 | Gen Electric | Composite article and its manufacture |
| JPS6028543A (en) * | 1983-07-27 | 1985-02-13 | 東レ株式会社 | Fiber reinforced thermoplastic resin molding material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6045632A (en) | 1985-03-12 |
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