JP2015524496A - 硬化性組成物 - Google Patents
硬化性組成物 Download PDFInfo
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- JP2015524496A JP2015524496A JP2015523023A JP2015523023A JP2015524496A JP 2015524496 A JP2015524496 A JP 2015524496A JP 2015523023 A JP2015523023 A JP 2015523023A JP 2015523023 A JP2015523023 A JP 2015523023A JP 2015524496 A JP2015524496 A JP 2015524496A
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- Japan
- Prior art keywords
- polyorganosiloxane
- curable composition
- moles
- sio
- chemical formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000203 mixture Substances 0.000 title claims abstract description 119
- 239000004065 semiconductor Substances 0.000 claims abstract description 16
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- 239000000126 substance Substances 0.000 claims description 88
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- 125000003118 aryl group Chemical group 0.000 claims description 40
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- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004344 phenylpropyl group Chemical group 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 239000002683 reaction inhibitor Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
- FBEIPJNQGITEBL-UHFFFAOYSA-J tetrachloroplatinum Chemical compound Cl[Pt](Cl)(Cl)Cl FBEIPJNQGITEBL-UHFFFAOYSA-J 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
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Abstract
Description
(R1 3SiO1/2)a(R1 2SiO2/2)b(R1SiO3/2)c(SiO4/2)d
[化学式2]
(R2 3SiO1/2)e(R2 2SiO2/2)f(R2SiO3/2)g(SiO4/2)h
(R1R2SiO2/2)
(R3 2SiO2/2)
ポリオルガノシロキサン(A)は、25℃での粘度が500cP以上、1、000cP以上、2、000cP以上、3、000cP以上、4、000cP以上、5、000cP以上、7、000cP以上、9、000cP以上または9、500cP以上とすることができる。このような範囲で硬化性組成物の加工性と硬化後の硬度特性などを適切に維持することができる。前記粘度の上限は特に制限されないが、例えば、前記粘度は、300、000cP以下、200、000cP以下、100、000cP以下、90、000cP以下、80、000cP以下、70、000cP以下または65、000cP以下とすることができる。
[RgSiO3/2]
[RhRi 2SiO1/2]p[RgSiO3/2]q
(RhRi 2Si)2O
硬化性組成物は、またケイ素原子に結合している水素原子を含むケイ素化合物(ケイ素化合物(C))を含むことができる。ケイ素化合物(C)は、水素原子を1つ以上または2つ以上有することができる。
R4 3SiO(R4 2SiO)nSiR4 3
(R5 3SiO1/2)a(R5 2SiO2/2)b(R5SiO3/2)c(SiO2)d
|P−Q|≦0.1
硬化性組成物を1mmの間隔に離隔されている2枚のガラス板との間に注入し、150℃で1時間の間維持することで硬化させて厚さが1mmの板状の試験片を製造し、常温でUV−VISスペクトロメータ(spectrometer)を用いて450nm波長に対する前記試験片の厚さ方向の光透過率を測定し、下記基準に従って評価を行う。
○:光透過度が98%以上である場合
×:光透過度が98%未満である場合
ポリフタルアミド(PPA)で製造された6020LEDパッケージを用いて素子特性の評価を行う。ポリフタルアミドカップ内に硬化性組成物をディスフェンシングし、70℃で30分間維持した後、さらに150℃で1時間の間維持して硬化させて表面実装型LEDを製造する。
LEDを−40℃で30分間維持し、さらに100℃で30分間維持することを1サイクルとし、前記を10回、すなわち10サイクル繰り返した後に室温に維持し、剥離状態を調査して耐熱衝撃性を評価する。評価時には同一硬化性組成物で製造されたLED10個に対してそれぞれ前記のような試験を行い、剥離したLEDの数を下記の表1に記載した。
LEDを85℃および85%の相対湿度の条件下で維持した状態で30mAの電流を流しながら200時間の間動作させる。続いて、動作前の初期輝度に対する前記動作後の後期輝度の減少率を測定し、下記基準で評価する。
○:初期輝度に対する輝度減少率が10%以下
×:初期輝度に対する輝度減少率が10%超過
(ViMe2SiO1/2)2(MePhSiO2/2)40
[化学式B]
(ViMe2SiO1/2)2(EpMeSiO2/2)0.4(PhSiO3/2)8
[化学式C]
(HMe2SiO1/2)2(HMeSiO2/2)0.5(Ph2SiO2/2)1.5
[ViMe2SiO1/2]2[Me2SiO2/2]23[Ph2SiO2/2]20
[化学式E]
[ViMe2SiO1/2]2[MePhSiO2/2][EPMeSiO2/2]0.4[PhSiO3/2]8
[化学式F]
(HMe2SiO1/2)2(Ph2SiO2/2)1.5
[化学式G]
[HMe2SiO1/2]3[PhSiO3/2]3
化学式Aのポリオルガノシロキサンの使用を除いて実施例1と同様に硬化性組成物を製造した。
化学式Dのポリオルガノシロキサンの使用を除いて実施例2と同様に硬化性組成物を製造した。
化学式Bのポリオルガノシロキサンは使用せず、下記化学式Hのポリオルガノシロキサンの使用を除いて実施例1と同様に硬化性組成物を製造した。
(ViMe2SiO1/2)2(PhSiO3/2)8
化学式Bのポリオルガノシロキサンは使用せず、下記化学式Iのポリオルガノシロキサンの使用を除いて実施例1と同様に硬化性組成物を製造した。
(ViMe2SiO1/2)2(EpMeSiO2/2)3(PhSiO3/2)6
Claims (20)
- (A)下記化学式1の平均組成式を有するポリオルガノシロキサンと、
(B)下記化学式2の平均組成式を有し、ケイ素原子のモル数(Si)およびエポキシ基のモル数(Ep)の割合(Ep/Si)が0.15以下のポリオルガノシロキサンと、
(C)ケイ素原子結合水素原子を有する化合物と、
を含むことを特徴とする硬化性組成物:
[化学式1]
(R1 3SiO1/2)a(R1 2SiO2/2)b(R1SiO3/2)c(SiO4/2)d
[化学式2]
(R2 3SiO1/2)e(R2 2SiO2/2)f(R2SiO3/2)g(SiO4/2)h
(前記化学式1〜3において、R1は一価炭化水素基であり、R2はエポキシ基または一価炭化水素基であり、R1のうち少なくとも1つはアルケニル基であり、R2のうち少なくとも1つはアルケニル基であり、R2のうち少なくとも1つはエポキシ基であり、aは0または正数であり、bは正数であり、cは0または正数であり、dは0または正数であり、b/(b+c+d)は0.65以上であり、eは正数であり、fは0または正数であり、gは正数であり、hは0または正数であり、f/(f+g+h)は0.65未満である)。 - ポリオルガノシロキサン(A)の全てのケイ素原子のモル数(Si)およびアルケニル基のモル数(Ak)の割合(Ak/Si)が0.01〜0.2であることを特徴とする請求項1に記載の硬化性組成物。
- ポリオルガノシロキサン(A)がケイ素原子に結合されているアリール基を1つ以上含むことを特徴とする請求項1に記載の硬化性組成物。
- ポリオルガノシロキサン(A)の全てのケイ素原子のモル数(Si)およびアリール基のモル数(Ar)の割合(Ar/Si)が0.5〜1.5であることを特徴とする請求項3に記載の硬化性組成物。
- ポリオルガノシロキサン(B)の全てのケイ素原子のモル数(Si)およびアルケニル基のモル数(Ak)の割合(Ak/Si)が0.05〜0.4であることを特徴とする請求項1に記載の硬化性組成物。
- ポリオルガノシロキサン(B)がケイ素原子に結合されているアリール基を1つ以上含むことを特徴とする請求項1に記載の硬化性組成物。
- ポリオルガノシロキサン(B)の全てのケイ素原子のモル数(Si)およびアリール基のモル数(Ar)の割合(Ar/Si)が0.5〜1.5であることを特徴とする請求項6に記載の硬化性組成物。
- ポリオルガノシロキサン(B)の全てのケイ素原子のモル数(Si)およびエポキシ基のモル数(Ep)の割合(Ep/Si)が0.1以下であることを特徴とする請求項1に記載の硬化性組成物。
- 化学式2において、(e+f)/(e+f+g+h)が0.2〜0.7であり、f/(f+g+h)が0.3以下であり、g/(g+h)が0.8以上であることを特徴とする請求項1に記載の硬化性組成物。
- ポリオルガノシロキサン(B)は、25℃での粘度が5、000cP以上であることを特徴とする請求項1に記載の硬化性組成物。
- ポリオルガノシロキサン(B)は、重量平均分子量が800〜100、000であることを特徴とする請求項1に記載の硬化性組成物。
- ポリオルガノシロキサン(B)は、ポリオルガノシロキサン(A)100重量部に対して50重量部以上の割合に含むことを特徴とする請求項1に記載の硬化性組成物。
- ケイ素化合物(C)は、下記化学式15の化合物または下記化学式16の平均組成式を有する化合物であることを特徴とする請求項1に記載の硬化性組成物:
[化学式15]
R4 3SiO(R4 2SiO)nSiR4 3
[化学式16]
(R5 3SiO1/2)a(R5 2SiO2/2)b(R5SiO3/2)c(SiO2)d
(前記化学式15および16において、R4はそれぞれ独立的な水素または一価の炭化水素基であり、R4のうち少なくとも2つは水素原子であり、R4のうち少なくとも1つはアリール基であり、nは1〜100であり、R5はそれぞれ独立的な水素または一価の炭化水素基であり、R5のうち少なくとも2つは水素原子であり、R5のうち少なくとも1つはアリール基であり、aは正数であり、bは0または正数であり、cは正数であり、dは正数である)。 - ケイ素化合物(C)の全てのケイ素原子のモル数(Si)およびケイ素原子結合水素原子のモル数(H)の割合(H/Si)は、0.2〜0.8であることを特徴とする請求項1に記載の硬化性組成物。
- ケイ素化合物(C)は、ケイ素原子に結合されているアリール基を1つ以上含むことを特徴とする請求項1に記載の硬化性組成物。
- ケイ素化合物(C)の全てのケイ素原子のモル数(Si)およびアリール基のモル数(Ar)の割合(Ar/Si)は、0.5〜1.5であることを特徴とする請求項15に記載の硬化性組成物。
- ポリオルガノシロキサン(A)およびポリオルガノシロキサン(B)の全てのアルケニル基のモル数(Ak)とケイ素化合物(C)の全てのケイ素原子結合水素原子のモル数(H)との割合(H/Ak)は、0.5〜2.0であることを特徴とする請求項1に記載の硬化性組成物。
- 硬化された請求項1に記載の硬化性組成物に封止されることを特徴とする光半導体。
- 請求項18に記載の光半導体をバックライトユニットに含むことを特徴とする液晶ディスプレイ。
- 請求項18に記載の光半導体を含むことを特徴とする照明器具。
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