Abstract: The present invention relates to an adhesive composition comprising (A) a block copolymer composition comprising a block copolymer (a) formed from at least two polymer blocks composed mainly of a monoalkenyl aromatic compound and at least one polymer block composed mainly of a conjugated diene compound and a block copolymer (b) formed from a polymer block composed mainly of a monoalkenyl aromatic compound and a polymer block composed mainly of a conjugated diene compound, wherein the block copolymer (a) has a GPC peak molecular weight of 60,000 to 110,000 in terms of standard polystyrene, the polymer block composed mainly of a monoalkenyl aromatic compound has a peak molecular weight of 10,000 to 30,000 and a molecular weight distribution Mw/Mn of 1.0 to 1.

Abstract: An electromagnetic prober comprising a transmission antenna, a reception antenna, a reception signal processing section for generating an analytic signal on the basis of a detection signal of the reception antenna, and an analytic processing section for performing a predefined analytic process on the basis of the analytic signal, wherein the analytic processing section divides the analytic signal into a plurality of time-based ranges and performs a predefined computation on average cycle periods in the respective time-based ranges of the analytic signal to calculate average dielectric constants in depth ranges of the medium corresponding to the respective time-based ranges.

Abstract: An electromagnetic prober comprising a transmission antenna, a reception antenna, a reception signal processing section for generating an analytic signal on the basis of a detection signal of the reception antenna, and an analytic processing section for performing a predefined analytic process on the basis of the analytic signal, wherein the analytic processing section divides the analytic signal into a plurality of time-based ranges and performs a predefined computation on average cycle periods in the respective time-based ranges of the analytic signal to calculate average dielectric constants in depth ranges of the medium corresponding to the respective time-based ranges.

Abstract: An electromagnetic prober comprising a transmission antenna, a reception antenna, a reception signal processing section for generating an analytic signal on the basis of a detection signal of the reception antenna, and an analytic processing section for performing a predefined analytic process on the basis of the analytic signal, wherein the analytic processing section divides the analytic signal into a plurality of time-based ranges and performs a predefined computation on average cycle periods in the respective time-based ranges of the analytic signal to calculate average dielectric constants in depth ranges of the medium corresponding to the respective time-based ranges.

Abstract: An electromagnetic prober comprising a transmission antenna, a reception antenna, a reception signal processing section for generating an analytic signal on the basis of a detection signal of the reception antenna, and an analytic processing section for performing a predefined analytic process on the basis of the analytic signal, wherein the analytic processing section divides the analytic signal into a plurality of time-based ranges and performs a predefined computation on average cycle periods in the respective time-based ranges of the analytic signal to calculate average dielectric constants in depth ranges of the medium corresponding to the respective time-based ranges.

Abstract: An electromagnetic prober comprising a transmission antenna, a reception antenna, a reception signal processing section for generating an analytic signal on the basis of a detection signal of the reception antenna, and an analytic processing section for performing a predefined analytic process on the basis of the analytic signal, wherein the analytic processing section divides the analytic signal into a plurality of time-based ranges and performs a predefined computation on average cycle periods in the respective time-based ranges of the analytic signal to calculate average dielectric constants in depth ranges of the medium corresponding to the respective time-based ranges.

Abstract: An electromagnetic prober comprising a transmission antenna, a reception antenna, a reception signal processing section for generating an analytic signal on the basis of a detection signal of the reception antenna, and an analytic processing section for performing a predefined analytic process on the basis of the analytic signal, wherein the analytic processing section divides the analytic signal into a plurality of time-based ranges and performs a predefined computation on average cycle periods in the respective time-based ranges of the analytic signal to calculate average dielectric constants in depth ranges of the medium corresponding to the respective time-based ranges.

Abstract: An electromagnetic prober comprising a transmission antenna, a reception antenna, a reception signal processing section for generating an analytic signal on the basis of a detection signal of the reception antenna, and an analytic processing section for performing a predefined analytic process on the basis of the analytic signal, wherein the analytic processing section divides the analytic signal into a plurality of time-based ranges and performs a predefined computation on average cycle periods in the respective time-based ranges of the analytic signal to calculate average dielectric constants in depth ranges of the medium corresponding to the respective time-based ranges.

Abstract: Provided an industrially excellent method of producing a phenol novolak resin having an ortho ratio of 30% or more by: (1) a method of reacting a phenol and an aldehyde using an oxalic acid catalyst at 110 to 160° C. under pressure; or (2) a method of reacting a phenol and an aldehyde under pressure while removing the heat of reaction by a condenser with controlling a pressure so that water or an organic solvent present in the reaction system is refluxed.

Abstract: Provided an industrially excellent method of producing a phenol novolak resin having an ortho ratio of 30% or more by: (1) a method of reacting a phenol and an aldehyde using an oxalic acid catalyst at 110 to 160° C. under pressure; or (2) a method of reacting a phenol and an aldehyde under pressure while removing the heat of reaction by a condenser with controlling a pressure so that water or an organic solvent present in the reaction system is refluxed.

Abstract: The present invention provides a hexagonal mesoporous silica comprising a photo-dimerizable organic functional group provided at the entrances of the pores thereof, and a hexagonal mesoporous silica comprising a functional substance filled in the pores thereof and a dimerized organic functional group provided at the entrances of the pores to close the entrances. These hexagonal mesoporous silicas allow a substance incorporated therein to be controllably released. The present invention also provides a method of producing the mesoporous silica, and a method using the mesoporous silica to control the release of a functional substance incorporated therein.

Abstract: Provided is a process for producing a phenol novolak resin having an ortho ratio of 30 to 60%, wherein a phenolic compound and an aldehyde are reacted in the presence of an aromatic sulfonic acid catalyst at a temperature of 110 to 160° C. under pressurized condition, and the amount of remaining oxalic acid and formic acid is reduced and the corrosion property to a reaction apparatus is decreased.

Abstract: The invention provides a dispersion capable of producing an electroconductive coating film and an electroconductive composite material comprising thin particles having a skeleton consisting of carbons, which can, without any problem in film manufacturability, attain high electrical conductivity at a temperature as lower as possible without deteriorating the dispersed state of the thin particles, a produced material, and a process for producing them.

Abstract: A subject for the invention is to provide an asphalt composition excellent in high-temperature storage stability and low-temperature characteristics and having an excellent balance among properties. Another subject is to provide a resin composition which has a reduced gel content, satisfactory appearance, and excellent balance among properties including impact resistance and is especially suitable for use as thin films such as food wrap films, films for laminating, and heat-shrinkable films or transparent sheet moldings such as trays for foods or for parts of light electrical appliances, etc., blister cases, or the like.

Abstract: The present invention provides a hexagonal mesoporous inorganic material comprising an organic functional group capable of forming a bond in response to an external stimulus provided at the entrances of the pores thereof. The present invention also provides a hexagonal mesoporous inorganic material comprising a functional substance filled in the pores thereof and an organic functional group provided at the entrances of the pores, wherein a bond is formed in the functional group to close the entrances. These hexagonal mesoporous inorganic materials allow a substance incorporated therein to be controllably released. The present invention further provides a method of producing the mesoporous inorganic material, and a method using the mesoporous inorganic material to incorporate and/or remove a chemical substance, or to control the release of a functional substance incorporated therein.

Abstract: A heat stabilized block copolymer composition which comprises a block copolymer comprising a polymer block mainly composed of a monoalkenyl aromatic compound and a polymer block mainly composed of a conjugated diene compound, the content of the monoalkenyl aromatic compound being 5-95% by weight based on the total weight of the block copolymer, and phenolic stabilizers. By adding two or more specific phenolic stabilizers to a block copolymer of a monoalkenyl aromatic compound and a conjugated diene compound, there can be obtained a block copolymer composition which exhibits excellent heat stability even under being heated at high temperatures, is high in the effect of being inhibited from formation of gel-like materials and is excellent in color tone.

Abstract: The present invention provides a hexagonal mesoporous silica comprising a photo-dimerizable organic functional group provided at the entrances of the pores thereof, and a hexagonal mesoporous silica comprising a functional substance filled in the pores thereof and a dimerized organic functional group provided at the entrances of the pores to close the entrances. These hexagonal mesoporous silicas allow a substance incorporated therein to be controllably released. The present invention also provides a method of producing the mesoporous silica, and a method using the mesoporous silica to control the release of a functional substance incorporated therein.

Abstract: A subject for the invention is to provide an asphalt composition excellent in high-temperature storage stability and low-temperature characteristics and having an excellent balance among properties.

Abstract: The present invention provides an electromagnetic prober comprising a transmission antenna, a reception antenna, a reception signal processing section for generating an analytic signal on the basis of a detection signal of the reception antenna, and an analytic processing section for performing a predefined analytic process on the basis of the analytic signal, wherein the analytic processing section includes in-medium dielectric constant calculation means which divides the analytic signal into a plurality of time-based ranges and performs a predefined computation on average cycle periods in the respective time-based ranges of the analytic signal to calculate average dielectric constants in depth ranges of the medium corresponding to the respective time-based ranges. Thus, even an unskilled person can easily measure a dielectric constant at each depth level in the medium to determine a depth at which an object to be surveyed is present.

Abstract: A heat stabilized block copolymer composition which comprises a block copolymer comprising a polymer block mainly composed of a monoalkenyl aromatic compound and a polymer block mainly composed of a conjugated diene compound, the content of the monoalkenyl aromatic compound being 5-95% by weight based on the total weight of the block copolymer, and phenolic stabilizers. By adding two or more specific phenolic stabilizers to a block copolymer of a monoalkenyl aromatic compound and a conjugated diene compound, there can be obtained a block copolymer composition which exhibits excellent heat stability even under being heated at high temperatures, is high in the effect of being inhibited from formation of gel-like materials and is excellent in color tone.