摘要:
A white heat-curable silicone resin composition comprising (A) a heat-curable organopolysiloxane, (B) a white pigment, (C) an inorganic filler, and (D) a condensation catalyst cures into a white uniform product having heat resistance, light resistance and minimal yellowing. The cured composition has a thermal conductivity of 1-10 W/mK. The composition is useful for forming cases on optoelectronic parts, typically LED.
摘要:
A white heat-curable silicone resin composition comprising (A) a heat-curable organopolysiloxane, (B) a white pigment, (C) an inorganic filler, and (D) a condensation catalyst cures into a white uniform product having heat resistance, light resistance and minimal yellowing. The cured composition has a reflectance of at least 80% at wavelength 350-400 nm. The composition is useful for forming cases on optoelectronic parts, typically LED.
摘要:
A purpose of the present invention is to provide an underfill composition for optical semiconductor devices which can provide a cured product whose moldability, adhesiveness to a gold bump, heat-resistance, and light resistance are better. The present invention is an underfill composition, comprising (A) 60 to 99 parts by weight of a branched organopolysiloxane having a weight average molecular weight of from 500 to 20000, reduced to polystyrene, and represented by the average compositional formula (1); (B) 250 to 1000 parts by weight of an inorganic filler; (C) 0.01 to 10 parts by weight of a condensation catalyst; (D) 1 to 40 parts by weight of an organopolysiloxane having a linear diorganopolysiloxane moiety, represented by the formula (2), provided that a total amount of component (A) and component (D) is 100 parts by weight; and (E) 0.2 to 2.0 parts by weight of silane coupling agent.
摘要:
The present invention provides a silicone resin composition for an optical semiconductor device, comprising (A) 100 parts by mass of an organopolysiloxane having a weight average molecular weight of from 500 to 20000, reduced to polystyrene, and represented by the following average compositional formula (1), (CH3)aSi(OR1)b(OH)cO(4-a-b-c)/2 (1) wherein R1 is an organic group having 1 to 4 carbon atoms and a, b, and c are numbers satisfying the equations: 0.8≦a≦1.5, 0≦b≦0.3, 0.001≦c≦0.5, and 0.801≦a+b+c
摘要翻译:本发明提供一种光半导体装置用有机硅树脂组合物,其包含:(A)100质量份的重均分子量为500〜20000的有机聚硅氧烷,还原为聚苯乙烯,由下列平均组成式( 1),(CH3)aSi(OR1)b(OH)cO(4-abc)/ 2(1)其中R1是具有1至4个碳原子的有机基团,a,b和c是满足下列等式的数字: 0.8和nlE; a≦̸ 1.5,0.001和nlE; c≦̸ 0.5和0.801≤n1E; a + b + c2,(B)3到200质量份白色颜料,(C)400 1000质量份除了所述白色颜料以外的无机填充材料,(D)0.01〜10质量份的缩合催化剂,(E)2〜50质量份的由有机聚硅氧烷构成的有机聚硅氧烷,所述直链二有机聚硅氧烷部分由 下式(2),其中R 2和R 3彼此独立地是选自羟基,烷基 具有1至3个碳原子的基团,环己基,乙烯基,苯基和烯丙基,其中m为5-50的整数。
摘要:
A white heat-curable silicone/epoxy hybrid resin composition is provided comprising (A) a heat-curable silicone resin, (B) a triazine derived epoxy resin composition, (C) a white pigment, (D) an inorganic filler, and (E) an antioxidant. Antioxidant (E) is a phosphite compound having formula: P(OR1)(OR2)2 wherein R1 and R2 are organic groups of at least 6 carbon atoms. Components (A) and (B) are present in a weight ratio of from 5:95 to 95:5. The composition effectively cures into a product maintaining heat resistance, light resistance and improved strength over a long term.
摘要:
Silicone resin composition for optical semiconductor devices, providing cured product wherein warpage in the devices is reduced and whiteness, heat-resistance, and light resistance are improved. The composition comprises: (A) an organopolysiloxane of the formula (CH3)aSi(OR1)b(OH)cO(4-a-b-c)/2 (1) wherein R1 is monovalent hydrocarbon and a, b, and c are numbers such that: 0.8
摘要翻译:用于光学半导体器件的硅树脂组合物提供固化产物,其中改善了器件中的翘曲和白度,耐热性和耐光性。 组合物包含:(A)式(CH3)aSi(OR1)b(OH)cO(4-abc)/ 2(1)的有机聚硅氧烷,其中R 1为一价烃,a,b和c为 :0.8 <= a <= 1.5,0 <= b <= 0.3,0.001 <= c <= 0.5和0.801 <= a + b + c <2; (B)白色颜料; (C)除白色颜料以外的无机填料; (D)缩合催化剂; (E)衍生自异氰脲酸的环氧树脂; (F)包含单元R2SiO和单元RSiO1.5的有机聚硅氧烷,其中R是羟基,甲基,乙基,丙基,环己基,苯基,乙烯基或烯丙基; 和(G)下式的线性二有机聚硅氧烷,其中R 5和R 6是烷基,环己基,乙烯基,苯基或烯丙基,n是800至1200的整数。
摘要:
A white heat-curable silicone/epoxy hybrid resin composition is provided comprising (A) a heat-curable silicone resin, (B) a triazine derived epoxy resin composition, (C) a white pigment, (D) an inorganic filler, and (E) an antioxidant. Antioxidant (E) is a phosphite compound having formula: P(OR1)(OR2)2 wherein R1 and R2 are organic groups of at least 6 carbon atoms. Components (A) and (B) are present in a weight ratio of from 5:95 to 95:5. The composition effectively cures into a product maintaining heat resistance, light resistance and improved strength over a long term.
摘要:
To enable a user to easily read and compare review texts about a plurality of commercial transaction objects that are posted by the same reviewer, provided is a review text output method, including: a condition receiving step of receiving a plurality of commercial transaction object search conditions; a review text identifying step of identifying, out of review texts about one or more commercial transaction objects that respectively satisfy the plurality of commercial transaction object search conditions, review texts that have been created by a common reviewer; and a review text outputting step of outputting, in association with one another, the review texts that have been identified in the review text identifying step as review texts that respectively satisfy the plurality of commercial transaction object search conditions.
摘要:
A heat-curable silicone resin-epoxy resin composition that is ideal as a premolded package for a high-brightness LED or solar cell. The composition contains (A) a heat-curable silicone resin, (B) a combination of a triazine derivative epoxy resin and an acid anhydride, or a prepolymer obtained by reaction of them, (C) an inorganic filler, and (D) a curing accelerator. The composition exhibits excellent curability, and yields a uniform cured product that displays excellent retention of heat resistance and light resistance over long periods of time, and suffers minimal yellowing.
摘要:
A white thermosetting silicone resin composition for molding an optical semiconductor case and a case for an optical semiconductor such as LED are provided. The composition comprises (A) a thermosetting organopolysiloxane, (B) a white pigment, (C) an inorganic filler (excluding the white pigment), (D) a condensation catalyst, and (E) a coupling agent represented by the following formula: R3dSi(OR2)e wherein R3 represents an organic group containing a mercapto group, a glycidyl group, or an amino group, R2 represents a C1-4 organic group, d represents 1 or 2, and e represents 2 or 3; wherein content of the white pigment (B) is 1 to 50% by weight in the entire composition, and total content of the white pigment (B) and the inorganic filler (C) is 70 to 93% by weight in the entire composition. When cured, it has excellent whiteness, consistency, and resistance to heat, light, yellowing, and warping.