JP2012131849A5 - - Google Patents

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JP2012131849A5
JP2012131849A5 JP2010282598A JP2010282598A JP2012131849A5 JP 2012131849 A5 JP2012131849 A5 JP 2012131849A5 JP 2010282598 A JP2010282598 A JP 2010282598A JP 2010282598 A JP2010282598 A JP 2010282598A JP 2012131849 A5 JP2012131849 A5 JP 2012131849A5
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Prior art keywords
epoxy resin
resin composition
composition according
gpa
bisphenol
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JP2010282598A
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JP2012131849A (en
JP5573650B2 (en
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(II)130℃/2時間硬化後の75℃、100℃、120℃における貯蔵弾性率G’75℃、G’100℃、G’120℃が、下記式の関係にある前記(I)に記載のエポキシ樹脂組成物。 (II) 130 ℃ / 2 hours 75 ° C. after curing, 100 ° C., the storage modulus G'75 ° C. at 120 ℃, G'100 ℃, G'120 ℃ is, the (I) in the relationship of the following formula The epoxy resin composition as described .

(IX)前記(VII)記載のエポキシ樹脂硬化物と、強化繊維からなる繊維強化複合材料。 (IX) A fiber-reinforced composite material comprising the cured epoxy resin according to (VII) and a reinforcing fiber.

(X)前記(VIII)に記載のプリプレグを硬化させてなる繊維強化複合材料。 (X) A fiber-reinforced composite material obtained by curing the prepreg described in ( VIII) .

本発明の実施形態は、下記[A]〜[D]を、下記式(1)〜(5)を満たす配合比で含むエポキシ樹脂組成物である。
[A]数平均分子量が2000〜20000の範囲にあるビスフェノールF型エポキシ樹脂
[B]3官能以上のアミン型エポキシ樹脂
[C]数平均分子量が300〜500の範囲にあるビスフェノール型エポキシ樹脂
[D]エポキシ樹脂硬化剤
0.2 ≦A/(A+B+C+E)≦0.6 (1)
0.2 ≦B/(A+B+C+E)≦0.6 (2)
0.15≦C/(A+B+C+E)≦0.5 (3)
0.01≦D/(A+B+C+E)≦0.1 (4)
0 ≦E/(A+B+C+E)≦0.2 (5)
(各式中、A、B、C、Dは、それぞれ[A]、[B]、[C]、[D]の質量、Eは[A]、[B]、[C]以外のエポキシ樹脂の質量)。
An embodiment of the present invention is an epoxy resin composition containing the following [A] to [D] at a blending ratio that satisfies the following formulas (1) to (5) .
[A] Bisphenol F type epoxy resin having a number average molecular weight in the range of 2000 to 20000 [B] Trifunctional or higher amine type epoxy resin [C] Bisphenol type epoxy resin having a number average molecular weight in the range of 300 to 500 [D ] Epoxy resin curing agent 0.2 ≦ A / (A + B + C + E) ≦ 0.6 (1)
0.2 ≦ B / (A + B + C + E) ≦ 0.6 (2)
0.15 ≦ C / (A + B + C + E) ≦ 0.5 (3)
0.01 ≦ D / (A + B + C + E) ≦ 0.1 (4)
0 ≦ E / (A + B + C + E) ≦ 0.2 (5)
(In each formula, A, B, C and D are the masses of [A], [B], [C] and [D], respectively, and E is an epoxy resin other than [A], [B] and [C]. Mass).

かかるエポキシ樹脂組成物において、上記式(1)〜(5)は、次のことを表している。即ち、エポキシ樹脂組成物において、エポキシ樹脂としては
[A]数平均分子量が2000〜20000の範囲にあるビスフェノールF型エポキシ樹脂、
[B]3官能以上のアミン型エポキシ樹脂、
[C]数平均分子量が300〜500の範囲にあるビスフェノール型エポキシ樹脂、
[D]エポキシ樹脂硬化剤
を含むことが必須であり、[A]、[B]、[C]およびこれら以外のエポキシ樹脂[E](以降、全エポキシ樹脂と記す)100質量部に対し、
[A]を20〜60質量部、
[B]20〜60質量部、
[C]15〜50質量部、
[D]1〜10質量部
含むことが必要である。また、[A]、[B]、[C]以外のエポキシ樹脂[E]は全エポキシ樹脂中100質量部のうち20質量部以下であることが必要である。
In such an epoxy resin composition, the above formulas (1) to (5) represent the following. That is, in the epoxy resin composition, as the epoxy resin, [A] bisphenol F type epoxy resin having a number average molecular weight in the range of 2000 to 20000,
[B] Trifunctional or higher amine type epoxy resin,
[C] A bisphenol type epoxy resin having a number average molecular weight in the range of 300 to 500,
[D] It is essential to contain an epoxy resin curing agent, [A], [B], [C] and other epoxy resin [E] (hereinafter referred to as all epoxy resin) 100 parts by mass,
20 to 60 parts by mass of [A],
20 to 60 parts by mass of [B]
15-50 parts by mass of [C],
It is necessary to contain 1 to 10 parts by mass of [D]. Moreover, epoxy resin [E] other than [A], [B], and [C] needs to be 20 mass parts or less out of 100 mass parts in all the epoxy resins.

Claims (10)

下記[A]〜[D]を、下記式(1)〜(5)を満たす配合比で含むエポキシ樹脂組成物。
[A]数平均分子量が2000〜20000の範囲にあるビスフェノールF型エポキシ樹脂
[B]3官能以上のアミン型エポキシ樹脂
[C]数平均分子量が300〜500の範囲にあるビスフェノール型エポキシ樹脂
[D]ジシアンジアミドまたはその誘導体
0.2 ≦A/(A+B+C+E)≦0.6 (1)
0.2 ≦B/(A+B+C+E)≦0.6 (2)
0.15≦C/(A+B+C+E)≦0.5 (3)
0.01≦D/(A+B+C+E)≦0.1 (4)
0 ≦E/(A+B+C+E)≦0.2 (5)
(各式中、A、B、C、Dは、それぞれ[A]、[B]、[C]、[D]の質量、Eは[A]、[B]、[C]以外のエポキシ樹脂の質量)
An epoxy resin composition containing the following [A] to [D] at a blending ratio satisfying the following formulas (1) to (5).
[A] Bisphenol F type epoxy resin having a number average molecular weight in the range of 2000 to 20000 [B] Trifunctional or higher amine type epoxy resin [C] Bisphenol type epoxy resin having a number average molecular weight in the range of 300 to 500 [D ] Dicyandiamide or a derivative thereof 0.2 ≦ A / (A + B + C + E) ≦ 0.6 (1)
0.2 ≦ B / (A + B + C + E) ≦ 0.6 (2)
0.15 ≦ C / (A + B + C + E) ≦ 0.5 (3)
0.01 ≦ D / (A + B + C + E) ≦ 0.1 (4)
0 ≦ E / (A + B + C + E) ≦ 0.2 (5)
(In each formula, A, B, C and D are the masses of [A], [B], [C] and [D], respectively, and E is an epoxy resin other than [A], [B] and [C]. Mass)
130℃/2時間硬化後の75℃、100℃、120℃における貯蔵弾性率G’75℃、G’100℃、G’120℃が、下記式の関係にある、請求項1に記載のエポキシ樹脂組成物。
1.3(GPa)≦G’75℃ ≦1.8(GPa) (i)
1.3≦G’75℃/G’100℃ ≦7.0 (ii)
0.08(GPa)≦G’120℃ ≦0.8(GPa) (iii)。
The epoxy according to claim 1, wherein the storage elastic moduli G ′ 75 ° C. , G ′ 100 ° C. , and G ′ 120 ° C. at 75 ° C., 100 ° C., and 120 ° C. after curing at 130 ° C./2 hours are in the relationship of the following formulas: Resin composition.
1.3 (GPa) ≦ G ′ 75 ° C. ≦ 1.8 (GPa) (i)
1.3 ≦ G ′ 75 ° C./G ′ 100 ° C. ≦ 7.0 (ii)
0.08 (GPa) ≦ G ′ 120 ° C. ≦ 0.8 (GPa) (iii).
[B]が3官能のアミノフェノール型エポキシ樹脂である、請求項1または2のいずれかに記載のエポキシ樹脂組成物。 The epoxy resin composition according to claim 1 or 2, wherein [B] is a trifunctional aminophenol type epoxy resin. [C]がビスフェノールF型エポキシ樹脂である、請求項1〜3のいずれかに記載のエポキシ樹脂組成物。 The epoxy resin composition according to any one of claims 1 to 3, wherein [C] is a bisphenol F-type epoxy resin. 下記[F]を、下記式(6)を満たす配合比で含む、請求項1〜4のいずれかに記載のエポキシ樹脂組成物。
[F]エポキシ樹脂に可溶な熱可塑性樹脂
0.01 ≦F/(A+B+C+E)≦0.1 (6)
(式中、A、B、C、Eは、それぞれ[A]、[B]、[C]、[E]の質量、Eは[A]、[B]、[C]以外のエポキシ樹脂の質量)
The epoxy resin composition in any one of Claims 1-4 containing the following [F] with the compounding ratio which satisfy | fills following formula (6).
[F] Thermoplastic resin soluble in epoxy resin 0.01 ≦ F / (A + B + C + E) ≦ 0.1 (6)
(In the formula, A, B, C and E are the masses of [A], [B], [C] and [E], respectively, and E is an epoxy resin other than [A], [B] and [C]. mass)
80℃における複素粘性率が0.1〜200(Pa・s)の範囲にある、請求項1〜5のいずれかに記載のエポキシ樹脂組成物。 The epoxy resin composition according to claim 1, wherein the complex viscosity at 80 ° C. is in the range of 0.1 to 200 (Pa · s). 請求項1〜6のいずれかに記載のエポキシ樹脂組成物を硬化したエポキシ樹脂硬化物であって、少なくとも[A]リッチ相と、[B]リッチ相を有する相分離構造を有し、その構造周期が0.01〜5μmであるエポキシ樹脂硬化物。 A cured epoxy resin obtained by curing the epoxy resin composition according to any one of claims 1 to 6, which has a phase separation structure having at least a [A] rich phase and a [B] rich phase, and the structure Epoxy resin cured product having a period of 0.01 to 5 μm. 請求項1〜のいずれかに記載のエポキシ樹脂組成物と強化繊維からなるプリプレグ。 A prepreg comprising the epoxy resin composition according to any one of claims 1 to 6 and reinforcing fibers. 請求項7記載のエポキシ樹脂硬化物と、強化繊維からなる繊維強化複合材料。 A fiber-reinforced composite material comprising the cured epoxy resin according to claim 7 and reinforcing fibers. 請求項8記載のプリプレグを硬化させてなる繊維強化複合材料。 Fiber-reinforced composite material obtained by curing the prepreg of claim 8.
JP2010282598A 2010-12-20 2010-12-20 Epoxy resin composition, cured epoxy resin, prepreg and fiber reinforced composite material Active JP5573650B2 (en)

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JP2012131849A5 true JP2012131849A5 (en) 2013-05-16
JP5573650B2 JP5573650B2 (en) 2014-08-20

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CA2950883C (en) 2014-06-04 2018-12-18 Mitsubishi Rayon Co., Ltd. Potting material for membrane modules and hollow fiber membrane module using same
WO2019111778A1 (en) * 2017-12-04 2019-06-13 住友ベークライト株式会社 Pasty adhesive composition and semiconductor device
JP7238259B2 (en) * 2018-03-16 2023-03-14 三菱ケミカル株式会社 Prepreg
JPWO2021241734A1 (en) * 2020-05-29 2021-12-02

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