JP2021502272A - 層間強化粒子を有する複合体及びその複合体を製造する方法 - Google Patents
層間強化粒子を有する複合体及びその複合体を製造する方法 Download PDFInfo
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Abstract
Description
本明細書で使用する用語「硬化(cure)」及び「硬化する(curing)」は、主成分を混ぜ合わせ、高温加熱し、紫外線及び放射線に曝すことによりもたらされる、樹脂前駆体又はポリマーの架橋を包含する。本明細書で使用する「完全な硬化」は、100%の硬化度を指す。本明細書中で使用する「部分硬化された」は、100%未満の硬化度を指す。
硬化%=[Δ Huncured−ΔHcured]/[ΔHuncured]X100%
本開示の化学活性粒子は、複合積層体の強化繊維の層間で層間粒子として使用できる、つまり、粒子が、複合積層体の層間領域に位置している。「層間領域」は、多層の複合積層体における強化繊維の隣接する層の間の領域を指す。
強化粒子を含有しない樹脂系U(「樹脂U」)を表1に示す配合に基づいて調製した。
硬化%=[Δ Huncured−ΔHcured]/[ΔHuncured]X100%
Claims (15)
- 繊維強化ポリマー複合構造体であって、
硬化性マトリックス樹脂を含浸させた又は注入した2枚以上の層の強化繊維であって、1種又は複数の熱硬化樹脂及び少なくとも1種の硬化剤を含む強化繊維;
強化繊維の隣接層間の層間領域に位置決めされた化学活性熱硬化粒子
を含み、
それぞれの化学活性熱硬化粒子が、100%未満、好ましくは50%〜99%の硬化度を有する部分硬化した熱硬化ポリマーから形成され、それぞれの粒子が、共有結合を形成できる化学活性官能基をその表面に含む、繊維強化ポリマー複合構造体。 - 部分硬化した熱硬化ポリマーの硬化度が、50%〜86%である、請求項1に記載の繊維強化ポリマー複合構造体。
- 化学活性熱硬化粒子が、1種又は複数のエポキシ樹脂及び硬化剤として少なくとも1種のアミン化合物を含む熱硬化性樹脂組成物から誘導される、請求項1又は2に記載の繊維強化ポリマー複合構造体。
- それぞれの化学活性熱硬化粒子が、架橋ポリエポキシド、非架橋エポキシ官能基及び未反応のアミン基を含む、請求項1〜3のいずれか1項に記載の繊維強化ポリマー複合構造体。
- 化学活性熱硬化粒子の組成物が、硬化性マトリックス樹脂の組成と同一又はほぼ同一である、請求項1〜4のいずれか1項に記載の繊維強化ポリマー複合構造体。
- 化学活性熱硬化粒子が、粒子形態の導電性材料、熱可塑性ポリマー、エラストマー、及び難燃剤から選択される1種又は複数の添加剤をさらに含む、請求項1〜5のいずれか1項に記載の繊維強化ポリマー複合構造体。
- 繊維強化ポリマー複合構造体であって、
硬化性マトリックス樹脂を含浸させた又は注入した2枚以上の層の強化繊維であって、1種又は複数の熱硬化樹脂及び少なくとも1種の硬化剤を含む強化繊維;
強化繊維の隣接層間の層間領域に位置決めされた化学活性熱硬化粒子
を含み、
それぞれの化学活性熱硬化粒子が、架橋熱硬化ポリマー及び共有結合を形成できる化学活性官能基を含む、繊維強化ポリマー複合構造体。 - それぞれの化学活性熱硬化粒子が、架橋ポリエポキシド及び非架橋エポキシ官能基又は未反応のアミン基を含む、請求項7に記載の繊維強化ポリマー複合構造体。
- 化学活性熱硬化粒子が、1種又は複数のエポキシ樹脂と、硬化剤として少なくとも1種のアミン化合物とを含む熱硬化性樹脂組成物から誘導され、エポキシ基のアミン基に対するモル比が、100%の全てのエポキシ基と反応するのに必要なアミンの量に不足であるか又は過剰であるような比である、請求項7又は8に記載の繊維強化ポリマー複合構造体。
- 繊維強化ポリマー複合構造体を製造する方法であって、
(a)粒子の表面に化学活性官能基を有する熱硬化粒子を形成するステップ;
(b)複数のプリプレグプライを形成するステップであって、それぞれのプリプレグプライが硬化性マトリックス樹脂を含浸させた又は注入した強化繊維を含むステップ;
(c)それぞれのプリプレグプライの少なくとも1つの表面に部分硬化した熱硬化粒子を析出させるステップ;
(d)隣接するプリプレグプライ間に位置決めされた粒子が存在し、それによりプリプレグレイアップを形成するような積層配置でその上に、粒子を有するプリプレグプライをレイアップするステップ;
(e)プリプレグレイアップを圧密化するステップ;及び
(f)プリプレグレイアップを硬化するステップ;
を備え、
(a)における熱硬化粒子が、以下の
(i)1種又は複数の熱硬化樹脂及び少なくとも1種の硬化剤を含む熱硬化性樹脂組成物を部分硬化して、100%未満、好ましくは50%〜99%の硬化度を有する部分硬化した熱硬化樹脂を形成し、部分硬化した熱硬化樹脂を粉砕する方法
(ii)1種又は複数の熱硬化樹脂と少なくとも1種の硬化剤を含む熱硬化性樹脂組成物を形成し、熱硬化樹脂の硬化剤に対するモル比が、100%の全てのエポキシ樹脂と反応するのに必要なアミンの量に不足であるか又は過剰であるような比であり、熱硬化性樹脂組成物を硬化して化学的に反応性のある官能基を有する架橋樹脂を形成して、架橋樹脂を粉砕する方法
のうちの1つにより形成され、並びに
(f)での硬化中に、熱硬化粒子の化学活性官能基は、粒子を取り囲むマトリックス樹脂と共有結合を形成する
方法。 - 熱硬化粒子が、方法(i)により生成され、且つ部分硬化した樹脂の硬化度が、50%〜86%である、請求項10に記載の方法。
- 繊維強化ポリマー複合構造体を製造する方法であって、
(a)粒子の表面に化学活性官能基を有する熱硬化粒子を形成するステップ;
(b)1種又は複数の熱硬化樹脂、少なくとも1種の硬化剤、及び熱硬化粒子を含む硬化性マトリックス樹脂組成物を形成するステップ;
(c)複数層の強化繊維に硬化性樹脂組成物を含浸させてプリプレグプライを形成し、それぞれのプリプレグプライが、硬化性マトリックス樹脂組成物を含浸させた又は注入した強化繊維を含み、熱硬化粒子が強化繊維層の外面に残存しているステップ;
(d)粒子を有するプリプレグプライを積層配置でその上にレイアップして、それによりプリプレグレイアップを形成するステップ;
(e)プリプレグレイアップを圧密化するステップ;及び
(f)プリプレグレイアップを硬化するステップ;
を備え、
(a)における熱硬化粒子が、以下の
(i)1種又は複数の熱硬化樹脂及び少なくとも1種の硬化剤を含む熱硬化性樹脂組成物を部分硬化して、100%未満、好ましくは50%〜99%の硬化度を有する部分硬化した熱硬化樹脂を形成し、部分硬化した熱硬化樹脂を粉砕する方法
(ii)1種又は複数の熱硬化樹脂と少なくとも1種の硬化剤を含む熱硬化性樹脂組成物を形成し、熱硬化樹脂の硬化剤に対するモル比が、100%の全てのエポキシ樹脂基と反応するのに必要なアミンの量に不足であるか又は過剰であるような比であり、熱硬化性樹脂組成物を硬化して化学的に反応性のある官能基を有する硬化樹脂を形成して、硬化樹脂を粉砕する方法
のうちの1つにより形成され、並びに
(f)での硬化中に、熱硬化粒子の化学活性官能基は、粒子を取り囲むマトリックス樹脂と共有結合を形成する
方法。 - 繊維強化ポリマー複合構造体を製造する方法であって、
(a)粒子の表面に化学活性官能基を有する熱硬化粒子を形成するステップ;
(b)前記熱硬化粒子を含まない第一硬化性樹脂組成物から樹脂フィルムを形成するステップ;
(c)1種又は複数の熱硬化樹脂、少なくとも1種の硬化剤、及び前記熱硬化粒子を含む第二硬化性樹脂組成物から樹脂フィルムを形成するステップ;
(d)熱及び圧力を用いて、第一硬化性樹脂組成物から形成した少なくとも1種の樹脂フィルムを1層の強化繊維に含浸させ、それにより1層の樹脂含浸強化繊維を形成するステップ;
(e)第二硬化性樹脂組成物から形成した少なくとも1種の樹脂フィルムを樹脂含浸強化繊維の層の一表面に接触させて、それにより粒子含有のプリプレグプライを形成するステップ;
(f)ステップ(d)及び(e)に従って追加の粒子含有プリプレグプライを形成するステップ;
(g)プリプレグプライを積層配置でレイアップして、それによりプリプレグレイアップを形成するステップ;
(h)プリプレグレイアップを圧密化するステップ;及び
(i)プリプレグレイアップを硬化するステップ;
を備え、
(a)における熱硬化粒子が、以下の
(i)1種又は複数の熱硬化樹脂及び少なくとも1種の硬化剤を含む熱硬化性樹脂組成物を部分硬化して、100%未満、好ましくは50%〜99%の硬化度を有する部分硬化した熱硬化樹脂を形成し、部分硬化した熱硬化樹脂を粉砕する方法
(ii)1種又は複数の熱硬化樹脂と少なくとも1種の硬化剤を含む熱硬化性樹脂組成物を形成し、熱硬化樹脂の硬化剤に対するモル比が、100%の全てのエポキシ樹脂と反応するのに必要なアミンの量に不足であるか又は過剰であるような比であり、熱硬化性樹脂組成物を硬化して化学的に反応性のある官能基を有する硬化樹脂を形成して、硬化樹脂を粉砕する方法
のうちの1つにより形成され、並びに
(i)での硬化中に、熱硬化粒子の化学活性官能基は、粒子を取り囲むマトリックス樹脂と共有結合を形成する
方法。 - 熱硬化粒子を形成するための熱硬化性樹脂組成物が、1種又は複数のエポキシ樹脂と、硬化剤として少なくとも1種のアミン化合物を含む、請求項10〜13のいずれか1項に記載の方法。
- 繊維強化ポリマー複合構造体を製造する方法であって、
(a)粒子の表面に化学活性官能基を有する熱硬化粒子を形成するステップ;
(b)複数のプリプレグプライを形成するステップであって、それぞれのプリプレグプライが硬化性マトリックス樹脂を含浸させた又は注入した強化繊維を含むステップ;
(c)それぞれのプリプレグプライの少なくとも1つの表面に部分硬化した熱硬化粒子を析出させるステップ;
(d)隣接するプリプレグプライ間に位置決めされた粒子が存在し、それによりプリプレグレイアップを形成するような積層配置でその上に、粒子を有するプリプレグプライをレイアップするステップ;
(e)プリプレグレイアップを圧密化するステップ;及び
(f)プリプレグレイアップを硬化するステップ
を備える方法。
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PCT/US2018/059640 WO2019203893A2 (en) | 2017-11-08 | 2018-11-07 | Composites with interlaminar toughening particles and method of making the same |
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WO2021095628A1 (ja) * | 2019-11-15 | 2021-05-20 | 東レ株式会社 | エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料 |
CN114729108A (zh) * | 2019-11-15 | 2022-07-08 | 东丽株式会社 | 环氧树脂组合物、预浸料及纤维增强复合材料 |
US11376812B2 (en) | 2020-02-11 | 2022-07-05 | Helicoid Industries Inc. | Shock and impact resistant structures |
KR20220001228A (ko) | 2020-06-29 | 2022-01-05 | 주식회사 엘지에너지솔루션 | 화재 억제를 위한 격벽과 단열층이 구비된 전지 모듈 |
KR102461792B1 (ko) * | 2020-12-15 | 2022-11-02 | 주식회사 이지컴퍼지트 | 고내충격 특성을 가진 필라멘트 와인딩용 하이브리드 토우프리프레그 |
US11346499B1 (en) | 2021-06-01 | 2022-05-31 | Helicoid Industries Inc. | Containers and methods for protecting pressure vessels |
US11852297B2 (en) | 2021-06-01 | 2023-12-26 | Helicoid Industries Inc. | Containers and methods for protecting pressure vessels |
CN114015095B (zh) * | 2021-11-25 | 2024-01-16 | 中国人民解放军国防科技大学 | 一种表层富含金属颗粒的连续纤维增强环氧树脂预浸料及其制备方法 |
US11952103B2 (en) | 2022-06-27 | 2024-04-09 | Helicoid Industries Inc. | High impact-resistant, reinforced fiber for leading edge protection of aerodynamic structures |
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