摘要:
A curable epoxy resin composition comprising at least the following components: (I) an epoxy resin; (II) a curing agent for an epoxy resin; (III) a diorganosiloxane having on both molecular terminals siloxane residual radicals represented by the following average unit formula: (XR12SiO1/2)a(SiO4/2)b (where R1 is a monovalent hydrocarbon group that is free of unsaturated aliphatic bond, and “X” is a single bond, a hydrogen atom, a group designated by R1, an epoxy-containing monovalent organic group, or an alkoxysilylalkyl group; however, at least one group designated by “X” in one molecule is a single bond, at least two groups designated by “X” are epoxy-containing alkyl groups; “a” is a positive number; “b” is a positive number; and “a/b” is a number ranging from 0.2 to 4); and (IV) an inorganic filler; is capable of producing a cured body of high strength in spite of having a low modulus of elasticity (low stress).
摘要:
An adhesion-promoting agent represented by the following average formula: R1aSiO(4-a/2 (where R1 is a group selected from an optionally substituted alkyl group with 1 to 10 carbon atoms, an alkenyl group with 2 to 20 carbon atoms, an aryl group with 6 to 20 carbon atoms, an alkoxy group with 1 to 10 carbon atoms, or an epoxy-containing organic group; however, in one molecule, the content of the alkenyl groups should constitute at least 5 mole % of all groups designated by R1; the content of the aryl groups should constitute at least 5 mole % of all groups designated by R1; the content of the alkoxy groups should constitute at least 5 mole % of all groups designated by R1; the content of the epoxy-containing organic groups should constitute at least 5 mole % of all groups designated by R1; and “a” is a number that satisfies the following condition: 1.0≦a
摘要:
An organotrisiloxane represented by the following general formula (I), wherein R1 and R2 may be the same or different and designate optionally substituted univalent hydrocarbon groups that do not have aliphatically unsaturated bonds, with the proviso that at least one of R1 or R2 is an aryl group, and R3 designates an organic group that contains a phenolic hydroxyl group, is a novel compound that possesses good reactivity and excellent compatibility and dispersibility with respect to the curable resins, such as epoxy resin.
摘要:
A silicon-containing polymer represented by the following average unit formula: (O2/2SiR1-R2-C6H4-R2-SiR1O2/2)x [R3 SiO(4-a)/2]y(R4O1/2)z (wherein R1 designates identical or different, substituted or unsubstituted monovalent hydrocarbon groups; R2 designates identical or different, substituted or unsubstituted alkylene groups; R3 designates substituted or unsubstituted monovalent hydrocarbon groups; R4 designates alkyl groups or hydrogen atoms; ‘a’ is a positive number that satisfies the following condition: 0=a=3; and ‘x’, ‘y’, and ‘z’ are positive numbers that satisfy the following conditions: 0
摘要翻译:由以下平均单元式表示的含硅聚合物:(O 2 / 2SiR1-R2-C6H4-R2-SiR1O2 / 2)x [R3SiO(4-a)/ 2] y(R4O1 / 2)z(其中R1 表示相同或不同的取代或未取代的一价烃基; R 2表示相同或不同的取代或未取代的亚烷基; R 3表示取代或未取代的一价烃基; R 4表示烷基或氢原子;'a' 以下条件:0 = a = 3;'x','y'和'z'是满足以下条件的正数:0
摘要:
A method of manufacturing a semiconductor device sealed in a cured silicone body by placing an unsealed semiconductor device into a mold and subjecting a curable silicone composition which is fed into the space between the mold and the unsealed semiconductor device to compression molding, the method being characterized by the fact that the aforementioned curable silicone composition comprises at least the following components: (A) an epoxy-containing silicone and (B) a curing agent for an epoxy resin; can reduce warping of the semiconductor chips and circuit board, and improve surface resistance to scratching.
摘要:
A curable silicone composition comprising at least the following components: (A) a diorganopolysiloxane represented by the following general formula: X—R2—(R12SiO)mR12Si—R2—X {where R1 designates a monovalent hydrocarbon group that has six or fewer carbon atoms and is free of aliphatic unsaturated bonds; R2 designates an alkylene group; and X is an organopolysiloxane residue represented by the following average unit formula: (YR12SiO1/2)a(SiO4/2)b (where R1 is the same as defined above; Y is a single bond, a hydrogen atom, a group represented by aforementioned R1, an epoxy-containing alkyl group, an alkoxysilylalkyl group, or an alkyl group with seven or more carbon atoms; however, in one molecule, at least one Y is a single bond, and at least one Y is an alkyl group with seven or more carbon atoms; “a” is a positive number; “b” is a positive number; and “a/b” is a number in the range of 0.2 to 4.0), the aforementioned group represented by R1 or an alkenyl group; however, at least one X is the aforementioned organopolysiloxane residue; and “m” is an integer equal to or greater than 1} and (B) a curing agent for epoxy resin; possesses good handleability and, when cured, forms a cured silicone body having low modulus of elasticity.
摘要:
A curable silicone composition comprising: (A) a diorganosiloxane represented by the following general formula: A-R2—(R12SiO)nR12Si—R2-A {wherein R1 represents the same or different optionally substituted univalent hydrocarbon groups that do not have unsaturated aliphatic bonds; R2 represents bivalent organic groups; A designates siloxane residual radicals represented by the following average unit formula: (XR12SiO1/2)a (SiO4/2)b (wherein R1 designates the previously mentioned group; X designates a single bond, hydrogen atom, the previously mentioned group that is designated by R1, an epoxy-containing alkyl group, or an alkoxysilylalkyl group; at least one X in one molecule is a single bond; at least two X's are epoxy-containing alkyl groups; “a” is a positive number, “b” is a positive number; and “a/b” is a positive number within the range of 0.2 to 4), and “n” is an integer which is equal to or greater than 1}; and (B) a curing agent for an epoxy resin, is characterized by excellent handlability and curability and that is suitable for curing into a cured body that has excellent flexibility and adhesive characteristics; to provide a highly reliable electronic device.
摘要:
A curable silicone composition comprising: (A) a liquid organopolysiloxane having in one molecule at least two epoxy groups; (B) a compound containing groups that react with the epoxy groups; (C) a thermally conductive filler; and (D) a silicone powder, preferably, an epoxy-containing silicone powder; possesses excellent handleability and workability in combination with low viscosity and that, when cured, forms a cured body of excellent elasticity, adhesiveness, and thermal conductivity.
摘要:
A curable epoxy resin composition comprising: (I) a curable epoxy resin; (II) an epoxy-resin curing agent; and (III) a silicone rubber powder obtained by curing a condensation-curable silicone rubber composition in a dispersed state in water, the powder having an epoxy equivalent measured by titration equal to or lower than 3,000 and an average particle size in the range of 0.1 to 100 μm, possesses excellent flowability and which, when cured, forms a cured product that in spite of low modulus of elasticity possesses high strength.
摘要:
A silicon-containing polymer represented by the following average unit formula: (O2/2SiR1-R2-C6H4-R2-SiR1O2/2)x [R3 SiO(4-a)/2]y(R4O1/2)z (wherein R1 designates identical or different, substituted or unsubstituted monovalent hydrocarbon groups; R2 designates identical or different, substituted or unsubstituted alkylene groups; R3 designates substituted or unsubstituted monovalent hydrocarbon groups; R4 designates alkyl groups or hydrogen atoms; ‘a’ is a positive number that satisfies the following condition: 0=a=3; and ‘x’, ‘y’, and ‘z’ are positive numbers that satisfy the following conditions: 0
摘要翻译:由以下平均单元式表示的含硅聚合物:(O 2 / 2SiR1-R2-C6H4-R2-SiR1O2 / 2)x [R3SiO(4-a)/ 2] y(R4O1 / 2)z(其中R1 表示相同或不同的取代或未取代的一价烃基; R 2表示相同或不同的取代或未取代的亚烷基; R 3表示取代或未取代的一价烃基; R 4表示烷基或氢原子;'a' 以下条件:0 = a = 3;'x','y'和'z'是满足以下条件的正数:0