JP6237881B2 - 硬化性組成物 - Google Patents
硬化性組成物 Download PDFInfo
- Publication number
- JP6237881B2 JP6237881B2 JP2016506251A JP2016506251A JP6237881B2 JP 6237881 B2 JP6237881 B2 JP 6237881B2 JP 2016506251 A JP2016506251 A JP 2016506251A JP 2016506251 A JP2016506251 A JP 2016506251A JP 6237881 B2 JP6237881 B2 JP 6237881B2
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- Prior art keywords
- polyorganosiloxane
- group
- formula
- chemical formula
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- Prior art date
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- 239000000126 substance Substances 0.000 claims description 116
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- 125000003118 aryl group Chemical group 0.000 claims description 43
- 125000003342 alkenyl group Chemical group 0.000 claims description 36
- -1 siloxane units Chemical group 0.000 claims description 35
- 125000003700 epoxy group Chemical group 0.000 claims description 33
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 25
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- 239000004065 semiconductor Substances 0.000 claims description 18
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- 239000003566 sealing material Substances 0.000 claims description 11
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- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
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- 230000001588 bifunctional effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
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- 125000005375 organosiloxane group Chemical group 0.000 claims 1
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- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
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- FBEIPJNQGITEBL-UHFFFAOYSA-J tetrachloroplatinum Chemical compound Cl[Pt](Cl)(Cl)Cl FBEIPJNQGITEBL-UHFFFAOYSA-J 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
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Description
(Ra 3SiO1/2)
(RbRa2SiO1/2)
(R1 3SiO1/2)a(R2 2SiO2/2)b(R3SiO3/2)c(SiO4/2)d(OR)e
(R4 3SiO1/2)f(R5 2SiO2/2)g(R6SiO3/2)h(SiO4/2)i(OR)j
ポリオルガノシロキサン(B)において全体ケイ素原子のモル数(Si)及びケイ素原子結合水素原子のモル数(H)の比率(H/Si)は、例えば、1.0以下、0.9以下、0.8以下または0.75以下であることができる。上記モル比(H/Si)は、また、0.1以上、0.2以上、0.3以上、0.4以上または0.5以上であることができる。このような範囲で硬化性を優秀に維持し、亀裂耐性及び耐熱衝撃性などを優秀に維持することができる。
化学式3でnは、例えば、1〜8、1〜6、1〜4、1〜3または1〜2であることができる。
(HR1 2SiO1/2)3(R2SiO3/2)
(HR2SiO)a(RSiO3/2)b(R2SiO2/2)c
R3SiO(HRSiO)r(R2SiO)sOSiR3
(R1 3SiO1/2)a(R2 2SiO2/2)b(R3 1SiO3/2)c(SiO4/2)d
化学式8〜10で、Rf〜Riの具体的な種類やo、p及びqの具体的な数値、そして混合物内での各成分の比率は、目的するポリオルガノシロキサン(E)の構造によって定められることができる。
[RjSiO3/2]
[RkRl 2SiO1/2]p[RmSiO3/2]q
(RnRo 2Si)2O
化学式13で、1価炭化水素基の具体的な種類や混合物内での配合比率は、目的するポリオルガノシロキサン(E)によって定められることができる。
(R1 3SiO1/2)a(R2 2SiO2/2)b(R3SiO3/2)c(SiO4/2)d(OR)e
ポリフタルアミド(PPA)で製造された7020 LEDパッケージを使用して素子信頼性を評価する。ポリフタルアミドカップ内に硬化性組成物をディスペンシングし、60℃で1時間維持し、さらに80℃で1時間維持した後、さらに150℃で4時間維持することによって硬化させて、表面実装型LEDを製造する。その後、製造されたLEDを85℃温度条件で維持した状態で70mAの電流を流しながら500時間動作させる。引き続いて、動作前の初期輝度に対して動作後の輝度減少率を測定し、下記基準で評価する。
<評価基準>
O:輝度減少率が7%以下の場合
x:輝度減少率が7%を超過する場合
LEDを−40℃で15分間維持し、さらに100℃で15分間維持することを1サイクル(cycle)にして、300サイクルにLEDを維持した後、点灯しないLEDの数と総評価LED数を評価した。具体的に総20個のLEDパッケージに対して評価をした後に、点灯しないか、点灯状態が不良な場合の数を基準にして下記のように評価した。
〈評価基準〉
O:総20個のLEDパッケージのうち不良が3個以下の場合
X:総20個のLEDパッケージのうち不良が3個を超過する場合
それぞれ公知の方法で製造された下記の化学式A〜Dで表示される化合物を混合し、混合物(配合量:化学式A:30g、化学式B:70g、化学式C:19g、化学式D:2.0g)を製造し、引き続いて上記混合物にPt(0)の含量が2ppmになるように触媒(Platinum(0)−1,3−divinyl−1,1,3,3−tetramethyldisiloxane)を配合し、硬化性組成物を製造した。
[化学式A]
(ViMe2SiO1/2)0.4(Me3SiO1/2)1.6(PhSiO3/2)6
[化学式B]
(ViMe2SiO1/2)(Me3SiO1/2)0.3(PhSiO3/2)3.5
[化学式C]
(HMe2SiO1/2)2(MePhSiO2/2)
[化学式D]
(ViMe2SiO1/2)2(EpSiO3/2)3(MePhSiO2/2)4
化学式Cの化合物を使用せず、その代わりに下記化学式Eの化合物23gを使用したこと以外には、実施例1と同一に硬化性組成物を製造した。
[化学式E]
(HMe2SiO1/2)2(Ph2SiO2/2)
化学式Cの化合物を使用せず、その代わりに下記化学式Eの化合物20g及び下記化学式Fの化合物2gを使用したこと以外には、実施例1と同一に硬化性組成物を製造した。
[化学式F]
(ViMe2SiO1/2)2(HMeSiO2/2)30
化学式Cの化合物を使用せず、その代わり下記化学式Eの化合物20g及び下記化学式Gの化合物2gを使用したこと以外には、実施例1と同一に硬化性組成物を製造した。
[化学式G]
(HMe2SiO1/2)3(PhSiO3/2)
化学式Aの化合物を使用せず、化学式Bの化合物のみを80g使用したこと以外には、実施例1と同一に硬化性組成物を製造した。
化学式Bの化合物を使用せず、化学式Aの化合物のみを100g使用したこと以外には、実施例2と同一に硬化性組成物を製造した。
化学式Bの化合物を使用せず、化学式Aの化合物のみを300g使用したこと以外には、実施例2と同一に硬化性組成物を製造した。
それぞれ公知の方法で製造された下記の化学式A〜Dで表示される化合物を混合し、混合物(配合量:化学式A:30g、化学式B:70g、化学式C:19g、化学式D:2.0g)を製造し、引き続いて上記混合物にPt(0)の含量が2ppmになるように触媒(Platinum(0)−1,3−divinyl−1,1,3,3−tetramethyldisiloxane)を配合し、硬化性組成物を製造した。
[化学式A]
(ViMe2SiO1/2)0.4(Me3SiO1/2)1.6(PhSiO3/2)6
[化学式B]
(ViMe2SiO1/2)0.3(Me3SiO1/2)3(PhSiO3/2)3.5
[化学式C]
(HMe2SiO1/2)2(MePhSiO2/2)
[化学式D]
(ViMe2SiO1/2)2(EpSiO3/2)3(MePhSiO2/2)4
それぞれ公知の方法で製造された下記の化学式A〜Dで表示される化合物を混合し、混合物(配合量:化学式A:30g、化学式B:70g、化学式C:19g、化学式D:2.0g)を製造し、引き続いて上記混合物にPt(0)の含量が2ppmになるように触媒(Platinum(0)−1,3−divinyl−1,1,3,3−tetramethyldisiloxane)を配合し、硬化性組成物を製造した。
[化学式A]
(ViMe2SiO1/2)(PhSiO3/2)6
[化学式B]
(ViMe2SiO1/2)(Me3SiO1/2)0.3(PhSiO3/2)3.5
[化学式C]
(HMe2SiO1/2)2(MePhSiO2/2)
[化学式D]
(ViMe2SiO1/2)2(EpSiO3/2)3(MePhSiO2/2)4
Claims (17)
- (A)下記化学式αのシロキサン単位と下記化学式βのシロキサン単位を含み、上記化学式α及びβのシロキサン単位の合計モル数(α+β)に対する上記化学式βのシロキサン単位のモル数(β)の比率(β/α+β)が0.05〜0.4の範囲内の第1架橋型ポリオルガノシロキサン及び下記化学式αのシロキサン単位と下記化学式βのシロキサン単位を含み、上記化学式α及びβのシロキサン単位の合計モル数(α+β)に対する上記化学式βのシロキサン単位のモル数(β)の比率(β/α+β)が上記第1架橋型ポリオルガノシロキサンとは異なっていて、且つ0.6〜1の範囲である第2架橋型ポリオルガノシロキサンの混合物、及び
(B)ケイ素原子に結合している水素原子及びアリール基を含み、ケイ素原子(Si)に対してアリール基(Ar)のモル比が0.25以上であり、3個〜10個の範囲内でケイ素原子を含むポリオルガノシロキサンを含み、
前記第1架橋型ポリオルガノシロキサンは下記化学式1の平均組成式を有し、前記第2架橋型ポリオルガノシロキサンは下記化学式2の平均組成式を有する、硬化性組成物:
[化学式α]
(Ra 3SiO1/2)
[化学式β]
(RbRa 2SiO1/2)
[化学式1]
(R 1 3 SiO 1/2 ) a (R 2 SiO 3/2 ) b
[化学式2]
(R 3 3 SiO 1/2 ) c (R 4 SiO 3/2 ) d
化学式α及びβで、Raは、アルキル基であり、Rbは、アルケニル基であり、
化学式1で、R 1 は、それぞれ独立に、アルキル基又はアルケニル基であり、R 2 はアリール基であり、a及びbは正の数であり、
化学式2で、R 3 は、それぞれ独立に、アルキル基又はアルケニル基であり、R 4 はアリール基であり、c及びdは正の数である。 - 第1及び第2架橋型ポリオルガノシロキサンは、それぞれケイ素原子のモル数(Si)に対してアリール基のモル数(Ar)の比率(Ar/Si)が0.3以上である、請求項1に記載の硬化性組成物。
- 第1及び第2架橋型ポリオルガノシロキサンは、それぞれケイ素原子のモル数(Si)に対してアルケニル基のモル数(Ak)の比率(Ak/Si)が0.03〜0.4の範囲内である、請求項1に記載の硬化性組成物。
- 第2架橋型ポリオルガノシロキサンは、第1架橋型ポリオルガノシロキサン100重量部に対して5重量部〜995重量部で含まれる、請求項1に記載の硬化性組成物。
- ポリオルガノシロキサン(B)のケイ素原子のモル数(Si)及びケイ素原子結合水素原子のモル数(H)の比率(H/Si)は、0.2〜0.8である、請求項1に記載の硬化性組成物。
- ポリオルガノシロキサン(B)は、硬化性組成物に含まれる全体アルケニル基(Ak)に対してケイ素原子に結合した水素原子(H)のモル比(H/Ak)が0.5〜3.0になる範囲で含まれる、請求項1に記載の硬化性組成物。
- ケイ素原子に結合している水素原子を含み、ケイ素原子(Si)に対してアリール基(Ar)のモル比が0.3以下であり、10個〜50個の範囲内でケイ素原子を含むポリオルガノシロキサンをさらに含む、請求項1に記載の硬化性組成物。
- 線形ポリオルガノシロキサンまたは2官能性シロキサン単位(D)、3官能性シロキサン単位(T)及び4官能性シロキサン単位(Q)全体に対する2官能性シロキサン単位(D)のモル比率(D/(D+T+Q))が0.7以上の部分架橋型ポリオルガノシロキサンをさらに含む、請求項1に記載の硬化性組成物。
- 線形ポリオルガノシロキサンまたは部分架橋型ポリオルガノシロキサンは、全体ケイ素原子(Si)に対してアリール基(Ar)のモル比(Ar/Si)が0.3以下である、請求項9に記載の硬化性組成物。
- 線形ポリオルガノシロキサンまたは部分架橋型ポリオルガノシロキサンは、全体ケイ素原子(Si)に対してアリール基(Ar)のモル比(Ar/Si)が0.3以上である、請求項9に記載の硬化性組成物。
- 線形または部分架橋型ポリオルガノシロキサンは、下記化学式6の平均組成式を有する、請求項9に記載の硬化性組成物:
[化学式6]
(R1 3SiO1/2)a(R2 2SiO2/2)b(R3SiO3/2)c(SiO4/2)d
化学式6でR1〜R3は、それぞれ独立に、エポキシ基または1価炭化水素基であり、R1〜R3のうち1個または2個以上は、アルケニル基であり、a、c及びdは、それぞれ独立に、0または正の数であり、bは、正の数である。 - ケイ素原子に結合されたアルケニル基とエポキシ基を含み、全体ケイ素原子(Si)に対してアルケニル基(Ak)のモル比(Ak/Si)が0.02〜0.5の範囲内であり、全体ケイ素原子(Si)に対してアリール基(Ar)のモル比(Ar/Si)が0.9以下であり、全体ケイ素原子(Si)に対してエポキシ基(Ep)のモル比(Ep/Si)が0.01〜0.5の範囲内のポリオルガノシロキサンをさらに含む、請求項1に記載の硬化性組成物。
- 請求項1に記載の硬化性組成物の硬化物を含む封止材で封止された半導体素子。
- 請求項1に記載の硬化性組成物の硬化物を含む封止材で封止された光半導体素子。
- 請求項15に記載の光半導体素子を含む液晶表示装置。
- 請求項15に記載の光半導体素子を含む照明。
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US9056984B2 (en) | 2015-06-16 |
CN105102542A (zh) | 2015-11-25 |
US20140350194A1 (en) | 2014-11-27 |
CN105102542B (zh) | 2017-07-04 |
JP2016514754A (ja) | 2016-05-23 |
KR20140120866A (ko) | 2014-10-14 |
TWI542636B (zh) | 2016-07-21 |
EP2960297A1 (en) | 2015-12-30 |
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EP2960297B1 (en) | 2018-12-26 |
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