JP2015143339A5 - - Google Patents
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- JP2015143339A5 JP2015143339A5 JP2014247561A JP2014247561A JP2015143339A5 JP 2015143339 A5 JP2015143339 A5 JP 2015143339A5 JP 2014247561 A JP2014247561 A JP 2014247561A JP 2014247561 A JP2014247561 A JP 2014247561A JP 2015143339 A5 JP2015143339 A5 JP 2015143339A5
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- fiber
- thermoplastic resin
- reinforced thermoplastic
- break
- tensile elongation
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- 239000000835 fiber Substances 0.000 claims description 64
- 229920005992 thermoplastic resin Polymers 0.000 claims description 39
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 23
- 239000004917 carbon fiber Substances 0.000 claims description 23
- 238000000465 moulding Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- 239000003063 flame retardant Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 2
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 229920000412 polyarylene Polymers 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 150000003568 thioethers Chemical class 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Description
上記の課題を解決するため、本発明の繊維強化熱可塑性樹脂成形材料は、主として以下の構成からなる。
(1)炭素繊維(A)、引張破断伸度が10〜50%である有機繊維(B)、熱可塑性樹脂(C)および難燃剤(D)の合計100重量部に対して、炭素繊維(A)を5〜45重量部、引張破断伸度が10〜50%である有機繊維(B)を1〜45重量部、熱可塑性樹脂(C)を20〜93重量部、難燃剤(D)を1〜20重量部含み、
前記引張破断伸度が10〜50%である有機繊維(B)のLOI値(限界酸素指数)が26%以上である、繊維強化熱可塑性樹脂成形材料。
(2)前記引張破断伸度が10〜50%である有機繊維(B)がポリアリーレンスルフィド繊維、ポリアクリロニトリル系耐炎化糸、フッ素樹脂繊維および液晶ポリマー繊維からなる群より選択される少なくとも1種である(1)に記載の繊維強化熱可塑性樹脂成形材料。
(3)さらに、200℃における溶融粘度が熱可塑性樹脂(C)より低い化合物(E)を、炭素繊維(A)、引張破断伸度が10〜50%である有機繊維(B)、熱可塑性樹脂(C)および難燃剤(D)の合計100重量部に対して1〜20重量部含む(1)または(2)に記載の繊維強化熱可塑性樹脂成形材料。
(4)炭素繊維(A)と引張破断伸度が10〜50%である有機繊維(B)を含む繊維束(F)の外側に熱可塑性樹脂(C)を含み、繊維束(F)内および/またはその外側に難燃剤(D)を含み、繊維束(F)断面において炭素繊維(A)と引張破断伸度が10〜50%である有機繊維(B)が偏在し、繊維束(F)の長さと繊維強化熱可塑性樹脂成形材料の長さが実質的に同じである(1)または(2)に記載の繊維強化熱可塑性樹脂成形材料。
(5)炭素繊維(A)と引張破断伸度が10〜50%である有機繊維(B)を含む繊維束(F)に、200℃における溶融粘度が熱可塑性樹脂(C)より低い化合物(E)を含浸させてなる複合体(G)の外側に熱可塑性樹脂(C)および難燃剤(D)を含み、繊維束(F)断面において炭素繊維(A)と引張破断伸度が10〜50%である有機繊維(B)が偏在し、繊維束(F)の長さと繊維強化熱可塑性樹脂成形材料の長さが実質的に同じである(3)に記載の繊維強化熱可塑性樹脂成形材料。
(6)前記炭素繊維(A)の表面酸素濃度比[O/C]が0.05〜0.5であり、かつ炭素繊維(A)エポキシ樹脂で被覆されている(1)〜(5)のいずれかに記載の繊維強化熱可塑性樹脂成形材料。
(7)(1)〜(6)のいずれかに記載の繊維強化熱可塑性樹脂成形材料を成形して得られる繊維強化熱可塑性樹脂成形品であって、繊維強化熱可塑性樹脂成形品中における前記炭素繊維(A)の平均繊維長(LA)が0.3〜1.5mmであり、かつ、炭素繊維(A)の始点から終点までの平均繊維端部間距離(DA)と平均繊維長(LA)が下記式[1]を満たし、繊維強化熱可塑性樹脂成形品中における前記引張破断伸度が10〜50%である有機繊維(B)の平均繊維長(LB)が1.5〜4mmであり、かつ、引張破断伸度が10〜50%である有機繊維(B)の始点から終点までの平均繊維端部間距離(DB)と平均繊維長(LB)が下記式[2]を満たす繊維強化熱可塑性樹脂成形品。
0.9×LA≦DA≦LA [1]
0.1×LB≦DB≦0.9×LB [2]
In order to solve the above problems, the fiber-reinforced thermoplastic resin molding material of the present invention mainly comprises the following constitution.
(1) Carbon fiber (A), carbon fiber (B), organic fiber (B) having a tensile elongation at break of 10 to 50%, thermoplastic resin (C) and flame retardant (D) 5) to 45 parts by weight of A), 1 to 45 parts by weight of organic fiber (B) having a tensile elongation at break of 10 to 50%, 20 to 93 parts by weight of thermoplastic resin (C), flame retardant (D) 1 to 20 parts by weight of only including,
A fiber reinforced thermoplastic resin molding material, wherein the organic fiber (B) having a tensile elongation at break of 10 to 50% has a LOI value (limit oxygen index) of 26% or more.
( 2 ) The organic fiber (B) having a tensile elongation at break of 10 to 50% is at least one selected from the group consisting of polyarylene sulfide fibers, polyacrylonitrile-based flameproof yarns, fluororesin fibers and liquid crystal polymer fibers. The fiber-reinforced thermoplastic resin molding material according to (1) .
( 3 ) Further, a compound (E) having a melt viscosity at 200 ° C. lower than that of the thermoplastic resin (C) is obtained from carbon fiber (A), organic fiber (B) having a tensile elongation at break of 10 to 50%, and thermoplastic. The fiber-reinforced thermoplastic resin molding material according to (1) or (2) , comprising 1 to 20 parts by weight with respect to 100 parts by weight as a total of the resin (C) and the flame retardant (D).
( 4 ) The thermoplastic resin (C) is included outside the fiber bundle (F) containing the carbon fiber (A) and the organic fiber (B) having a tensile elongation at break of 10 to 50%, and the fiber bundle (F) And / or carbon fiber (A) containing the flame retardant (D) on the outside thereof, and the carbon fiber (A) and the organic fiber (B) having a tensile elongation at break of 10 to 50% in the cross section of the fiber bundle (F). The fiber-reinforced thermoplastic resin molding material according to (1) or (2) , wherein the length of F) and the length of the fiber-reinforced thermoplastic resin molding material are substantially the same.
( 5 ) A compound (C) having a melt viscosity at 200 ° C. lower than that of the thermoplastic resin (C) in the fiber bundle (F) containing the carbon fiber (A) and the organic fiber (B) having a tensile elongation at break of 10 to 50%. E) containing a thermoplastic resin (C) and a flame retardant (D) outside the composite (G) impregnated with carbon fiber (A) and a tensile elongation at break of 10 to 10 in the cross section of the fiber bundle (F) 50% organic fiber (B) is unevenly distributed, and the length of the fiber bundle (F) and the length of the fiber-reinforced thermoplastic resin molding material are substantially the same ( 3 ). material.
( 6 ) The surface oxygen concentration ratio [O / C] of the carbon fiber (A) is 0.05 to 0.5, and the carbon fiber (A) is coated with an epoxy resin (1) to ( 5 ) The fiber-reinforced thermoplastic resin molding material according to any one of the above.
( 7 ) A fiber reinforced thermoplastic resin molded article obtained by molding the fiber reinforced thermoplastic resin molding material according to any one of (1) to ( 6 ), wherein the fiber reinforced thermoplastic resin molded article is The average fiber length (L A ) of the carbon fiber (A) is 0.3 to 1.5 mm, and the average fiber end-to-end distance (D A ) from the start point to the end point of the carbon fiber ( A ) and the average fiber the length (L a) satisfies the following formula [1], the average fiber length of the organic fiber the tensile elongation at break in the fiber-reinforced thermoplastic resin molded article in is 10~50% (B) (L B ) is 1 The average fiber end-to-end distance (D B ) and the average fiber length (L B ) from the start point to the end point of the organic fiber (B) that is 5 to 4 mm and the tensile elongation at break is 10 to 50% A fiber-reinforced thermoplastic resin molded product satisfying the following formula [2].
0.9 × L A ≦ D A ≦ L A [1]
0.1 × L B ≦ D B ≦ 0.9 × L B [2]
(参考例1)
有機繊維(B)を(B−4)に変更した以外は、実施例1と同様にして成形品を作製し、評価を行った。評価結果はまとめて表1に示した。
( Reference Example 1 )
Except for changing the organic fiber (B) to (B-4), a molded product was produced and evaluated in the same manner as in Example 1. The evaluation results are collectively shown in Table 1.
実施例1〜2、4〜7いずれの材料も、有機繊維(B)と難燃剤(D)が成形品内に存在しており、高い衝撃強度と高い難燃性を示した。 In any of Examples 1 to 2, 4 to 7, the organic fiber (B) and the flame retardant (D) were present in the molded product, and exhibited high impact strength and high flame retardancy.
Claims (7)
前記引張破断伸度が10〜50%である有機繊維(B)のLOI値(限界酸素指数)が26%以上である、繊維強化熱可塑性樹脂成形材料。 Carbon fiber (A) is added to 100 parts by weight of carbon fiber (A), organic fiber (B) having a tensile elongation at break of 10 to 50%, thermoplastic resin (C) and flame retardant (D). 5 to 45 parts by weight, 1 to 45 parts by weight of organic fiber (B) having a tensile elongation at break of 10 to 50%, 20 to 93 parts by weight of thermoplastic resin (C), and 1 to 1 of flame retardant (D) 20 parts by weight of only including,
A fiber reinforced thermoplastic resin molding material, wherein the organic fiber (B) having a tensile elongation at break of 10 to 50% has a LOI value (limit oxygen index) of 26% or more .
0.9×LA≦DA≦LA [1]
0.1×LB≦DB≦0.9×LB [2] A fiber reinforced thermoplastic resin molded product obtained by molding the fiber reinforced thermoplastic resin molding material according to any one of claims 1 to 6 , wherein the carbon fiber (A) in the fiber reinforced thermoplastic resin molded product. the average fiber length of (L a) is 0.3 to 1.5 mm, and an average fiber end distance (D a) and the average fiber length from the start point to the end point of the carbon fiber (a) (L a) Satisfies the following formula [1], and the average fiber length (L B ) of the organic fiber (B) having a tensile elongation at break of 10 to 50% in the fiber-reinforced thermoplastic resin molded product is 1.5 to 4 mm: A fiber reinforced thermoplastic resin molded article having an average fiber end-to-end distance (D B ) and an average fiber length (L B ) from the start point to the end point of the organic fiber (B) and satisfying the following formula [2].
0.9 × L A ≦ D A ≦ L A [1]
0.1 × L B ≦ D B ≦ 0.9 × L B [2]
Priority Applications (1)
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JP2014247561A JP6497050B2 (en) | 2013-12-24 | 2014-12-08 | Fiber-reinforced thermoplastic resin molding material and fiber-reinforced thermoplastic resin molded product |
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JP2013264779 | 2013-12-24 | ||
JP2013264779 | 2013-12-24 | ||
JP2014247561A JP6497050B2 (en) | 2013-12-24 | 2014-12-08 | Fiber-reinforced thermoplastic resin molding material and fiber-reinforced thermoplastic resin molded product |
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JP2015143339A JP2015143339A (en) | 2015-08-06 |
JP2015143339A5 true JP2015143339A5 (en) | 2017-12-21 |
JP6497050B2 JP6497050B2 (en) | 2019-04-10 |
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JP2016074779A (en) * | 2014-10-03 | 2016-05-12 | 日本ポリプロ株式会社 | Fiber-reinforced propylene-based resin composition |
JP6123955B1 (en) | 2015-10-30 | 2017-05-10 | 東レ株式会社 | Fiber-reinforced thermoplastic resin molded article and fiber-reinforced thermoplastic resin molding material |
CN108350192B (en) | 2015-10-30 | 2021-07-23 | 东丽株式会社 | Fiber-reinforced thermoplastic resin molded article and fiber-reinforced thermoplastic resin molding material |
KR102470783B1 (en) * | 2017-09-05 | 2022-11-25 | 도레이 카부시키가이샤 | Fiber-reinforced thermoplastic resin molding |
JP7324678B2 (en) * | 2018-10-18 | 2023-08-10 | ポリプラスチックス株式会社 | Resin molding |
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TW375570B (en) * | 1997-04-22 | 1999-12-01 | Toray Industries | Hybrid type fiber reinforced plastic |
JP2008050598A (en) * | 2006-07-28 | 2008-03-06 | Toray Ind Inc | Fiber-reinforced composite material and integrated molded article |
JP5327405B1 (en) * | 2013-05-17 | 2013-10-30 | 東レ株式会社 | Carbon fiber reinforced thermoplastic resin composition and molded article |
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