JP5280681B2 - 繊維強化熱溶融エポキシ樹脂の製造方法 - Google Patents
繊維強化熱溶融エポキシ樹脂の製造方法 Download PDFInfo
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- JP5280681B2 JP5280681B2 JP2007516262A JP2007516262A JP5280681B2 JP 5280681 B2 JP5280681 B2 JP 5280681B2 JP 2007516262 A JP2007516262 A JP 2007516262A JP 2007516262 A JP2007516262 A JP 2007516262A JP 5280681 B2 JP5280681 B2 JP 5280681B2
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
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Description
本発明はまた、上記製造方法で製造されてなる繊維強化プラスチックでもある。
また、強化用繊維と複合される時には、反応性化合物が低粘度であるため、強化用繊維とのぬれ性が極めて良好で、繊維束間にボイドが残存することがなく、高品質な複合材料が得られる。このため、ボイドの発生が問題となるような様々な複雑な形状の成形物を容易且つ欠陥なく製造することが可能になる。
さらにまた、本発明では、熱溶融エポキシ樹脂を低分子な状態で強化用繊維と混合することで、従来のFRTPのような繊維の損傷による強度低下がなく、繊維と樹脂が濡れた状態で反応が進み界面の化学結合が強固になる。
まず、以下の表1に示す使用原料を同表記載の重量部にて混合して、反応性化合物の混合物を得た。なお、得られた混合物は、混合物作製時及び室温に保管している状態では重合反応を生じなかった。表1中の略号の意味は以下のとおり。
AER260:旭化成社製ビスフェノールA型液状エポキシ樹脂(エポキシ当量:190g/eq)
BCF:大阪ガス社製ビスクレゾールフルオレン(OH当量:189.3g/eq)
BPA−M:三井化学社製ビスフェノールA(OH当量:114g/eq)
TOTP:北興化学工業社製トリ−o−トリルホスフィン(分子量:304)
測定は、JIS K7244−5に準じた動的粘弾性試験にて行った。試験片形状は、厚みh=4mm、幅b=10mm、長さl=20mmであった。試験機は動的粘弾性測定機DMS−6100(セイコーインスツルメンツ製)を用い、両端部を完全固定とし、試料中央部を5mm幅でクランプし、曲げによる正弦的ひずみを加えた。試験条件は、測定温度−50〜250℃とし、昇温速度を2℃/min、加振周波数は1Hzで測定を行った。
Claims (8)
- 1分子中にエポキシ基を2つ有する化合物(A)と、1分子中にフェノール性水酸基を2つ有する化合物(B)とを強化用繊維と混合する工程(I)、及び、前記強化用繊維に混合させた前記化合物(A)と化合物(B)とを、ジシクロヘキシルフェニルホスフィン、トリ−o−トリルホスフィン、トリ−m−トリルホスフィン、トリ−p−トリルホスフィン、シクロヘキシルジフェニルホスフィン、トリフェニルホスフィン、トリフェニルホスフィン−トリフェニルボラン錯体及びトリ−m−トリルホスフィン−トリフェニルボラン錯体からなる群から選択される少なくとも1種のリン系触媒である重合触媒を使用して、重付加反応により直鎖状に重合させ直鎖状ポリマーを得る工程(II)を有する繊維強化熱溶融エポキシ樹脂の製造方法であって、前記化合物(A)の少なくとも一部及び/又は前記化合物(B)の少なくとも一部は、フルオレン骨格を有する化合物であり、前記化合物(A)中のエポキシ基のモル数は前記化合物(B)中のフェノール性水酸基のモル数の0.9〜1.1倍である割合で前記化合物(A)と化合物(B)とを配合することを特徴とする繊維強化熱溶融エポキシ樹脂の製造方法。
- 工程(I)において、化合物(A)と化合物(B)とを、それぞれ溶融状態で、強化用繊維に含浸させる請求項1記載の製造方法。
- 前記化合物(A)と化合物(B)との合計量のうち、7モル%以上がフルオレン骨格を有する化合物である請求項1又は2記載の製造方法。
- 前記化合物(A)のうちフルオレン骨格を有する化合物(A1)は、下記一般式(1)で表される化合物であり、前記化合物(B)のうちフルオレン骨格を有する化合物(B1)は、下記一般式(2)で表される化合物である請求項1〜3のいずれか記載の製造方法。
- 前記モノマー(A)とモノマー(B)との重合体は、示差熱分析で測定した溶融開始温度が100℃を超えるものである請求項1〜4のいずれか記載の製造方法。
- 強化用繊維は、強化用繊維編組物又はマットである請求項1〜5のいずれか記載の製造方法。
- 強化用繊維は、ガラス繊維である請求項6記載の製造方法。
- 請求項1〜7のいずれか記載の製造方法で製造されてなる繊維強化熱溶融エポキシ樹脂。
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PCT/JP2006/309543 WO2006123577A1 (ja) | 2005-05-18 | 2006-05-12 | 繊維強化熱溶融エポキシ樹脂の製造方法 |
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JP4639575B2 (ja) * | 2003-05-14 | 2011-02-23 | 日東紡績株式会社 | 繊維強化接着シート、その製造方法及び被着体の仮固定方法 |
JP4632152B2 (ja) * | 2004-08-25 | 2011-02-16 | ナガセケムテックス株式会社 | 重合性組成物 |
JP5198788B2 (ja) * | 2007-03-13 | 2013-05-15 | 大阪瓦斯株式会社 | エポキシ樹脂組成物およびその硬化物 |
JP5513709B2 (ja) * | 2007-03-13 | 2014-06-04 | 大阪瓦斯株式会社 | フルオレン骨格を有するフェノキシ樹脂およびその製造方法 |
JP5259117B2 (ja) * | 2007-04-06 | 2013-08-07 | 大阪瓦斯株式会社 | 熱硬化性樹脂組成物およびその硬化物 |
JP5619466B2 (ja) * | 2010-04-13 | 2014-11-05 | デクセリアルズ株式会社 | 硬化性樹脂組成物、接着性エポキシ樹脂ペースト、ダイボンド剤、非導電性ペースト、接着性エポキシ樹脂フィルム、非導電性エポキシ樹脂フィルム、異方性導電ペースト及び異方性導電フィルム |
CN103781828B (zh) * | 2011-08-26 | 2017-11-14 | 巴斯夫欧洲公司 | 模制品的制备方法 |
EP3476881B1 (en) * | 2016-06-28 | 2021-12-01 | Toray Industries, Inc. | Epoxy resin composition, prepreg, and fiber-reinforced composite material |
EP3476880B1 (en) * | 2016-06-28 | 2020-08-05 | Toray Industries, Inc. | Epoxy resin composition, prepreg, and fiber-reinforced composite material |
JP6761121B2 (ja) * | 2017-05-30 | 2020-09-23 | 日本製紙パピリア株式会社 | 水分散性シート |
JP2021001245A (ja) * | 2019-06-20 | 2021-01-07 | 三菱ケミカル株式会社 | 繊維強化エポキシ樹脂複合材及び繊維強化プラスチック |
JP7359639B2 (ja) * | 2019-10-23 | 2023-10-11 | 日鉄ケミカル&マテリアル株式会社 | フェノキシ樹脂及びその製造方法、その樹脂組成物及び硬化物 |
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JP2004059836A (ja) * | 2002-07-31 | 2004-02-26 | Sumitomo Bakelite Co Ltd | 樹脂組成物、プリプレグ及び積層板 |
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US5670603A (en) * | 1993-03-08 | 1997-09-23 | Alliedsignal Inc. | Polymers exhibiting nonlinear optical properties |
US5401814A (en) * | 1993-10-13 | 1995-03-28 | The Dow Chemical Company | Process for the preparation of thermoplastic poly(hydroxy ethers) |
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KR101037555B1 (ko) * | 2002-12-27 | 2011-05-31 | 나가세케무텍쿠스가부시키가이샤 | 섬유 강화된 열가소성 플라스틱의 제조방법 및 섬유 강화된열가소성 플라스틱 |
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JP2004083855A (ja) * | 2002-06-28 | 2004-03-18 | Osaka Gas Co Ltd | フルオレン含有樹脂 |
JP2004059836A (ja) * | 2002-07-31 | 2004-02-26 | Sumitomo Bakelite Co Ltd | 樹脂組成物、プリプレグ及び積層板 |
JP2004339499A (ja) * | 2003-04-22 | 2004-12-02 | Osaka Gas Co Ltd | フルオレン系組成物及びその成形体 |
JP2005325331A (ja) * | 2004-04-14 | 2005-11-24 | Osaka Gas Co Ltd | 新規なフルオレン含有樹脂 |
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