摘要:
A polycarbonate copolymer comprising the repeating structural unit represented by general formula (1-a) and at least one of the repeating structural units represented by general formulas (2-a) and (3-a) is provided.
摘要:
An epoxy-resin composition comprising (A) an at least bifunctional epoxy compound and/or an at least bifunctional epoxy resin, (B) an at least bifunctional ester-containing compound and/or an at least bifunctional ester-containing resin as a curing agent, 10 to 100 % of whose hydroxy groups are esterified with aliphatic or aromatic acyl groups, and (C) an accelerating agent, the accelerating agent essentially containing a phosphine oxide represented by general formula (1): where R 1 to R 6 all of which may be the same or not are hydrogen, straight, branched or cyclic alkyl having 1 to 10 carbons or aryl or aralkyl having 6 to 10 carbons.
摘要:
A process for preparing an organic compound, comprises conducting an organic reaction in the presence of a phosphine oxide represented by formula (1); where R 1 is the same or different and each represents a hydrogen or hydrocarbon group with 1 to 10 carbon atoms, and x is the amount of water as a molar ratio which is 0 to 5.0. The phosphine oxide can exhibit a high catalytic performance, especially in organic reactions involving alkylene oxides.
摘要:
A polymaleimide resin composition is herein disclosed which comprises an aromatic amino resin (1), a polymaleimide resin (2) and a bifunctional crosslinking agent as components. The bifunctional crosslinking agent is preferably selected from an aliphatic diamine compound, a 2,4-diamino-S-triazine compound, a diisocyanate compound, and an aliphatic diamine compound plus a bismaleimide compound. A laminate plate for a semiconductor substrate in which the polymaleimide resin composition is used is also disclosed. According to the present invention, there can be provided a thermosetting resin composition which permits the preparation of prepregs and green sheets having excellent flexibility, so that the workability and the productivity of the laminate plates can remarkably be improved.
摘要:
An epoxy-resin composition comprising (A) an at least bifunctional epoxy compound and/or an at least bifunctional epoxy resin, (B) a curing agent, and (C) an accelerating agent, the accelerating agent essentially containing a phosphine oxide represented by general formula (1); where R 1 to R 6 all of which may be the same or not are hydrogen, straight, branched or cyclic alkyl having 1 to 10 carbons or aryl or aralkyl having 6 to 10 carbons. The epoxy-resin composition can be used for sealing a semiconductor integrated circuit in the manufacture of a semiconductor device.
摘要:
A polycarbonate copolymer comprising the repeating structural unit represented by general formula (1-a) and at least one of the repeating structural units represented by general formulas (2-a) and (3-a) is provided. It may be used for optical components.
摘要:
An epoxy-resin composition comprising (A) an at least bifunctional epoxy compound and/or an at least bifunctional epoxy resin, (B) a curing agent, and (C) an accelerating agent, the accelerating agent essentially containing a phosphine oxide represented by general formula (1); where R 1 to R 6 all of which may be the same or not are hydrogen, straight, branched or cyclic alkyl having 1 to 10 carbons or aryl or aralkyl having 6 to 10 carbons. The epoxy-resin composition can be used for sealing a semiconductor integrated circuit in the manufacture of a semiconductor device.
摘要:
An epoxy-resin composition comprising (A) an at least bifunctional epoxy compound and/or an at least bifunctional epoxy resin, (B) an at least bifunctional ester-containing compound and/or an at least bifunctional ester-containing resin as a curing agent, 10 to 100 % of whose hydroxy groups are esterified with aliphatic or aromatic acyl groups, and (C) an accelerating agent, the accelerating agent essentially containing a phosphine oxide represented by general formula (1): where R 1 to R 6 all of which may be the same or not are hydrogen, straight, branched or cyclic alkyl having 1 to 10 carbons or aryl or aralkyl having 6 to 10 carbons.