摘要:
The present inventions are a pressure-sensitive adhesive composition comprising a poly(meth)acrylate compound that contains a repeating unit shown by the following formula (1) in its molecule and has a melting point of 50° C. or less; a pressure-sensitive adhesive layer comprising a crosslinked product of the pressure-sensitive adhesive composition; and a pressure-sensitive adhesive sheet comprising the pressure-sensitive adhesive layer and a support, the pressure-sensitive adhesive layer being provided on one side or both sides of the support material. wherein X+ and Y− represent a combination of a counter cation and a counter anion which may form an ion pair, R represents a hydrogen atom or a methyl group, and A represents a linking group.
摘要:
(1) A display substrate for embedding pixel-controlling elements comprising an adhesive layer and a thermoplastic film having a thickness of 50 to 500 μm which are laminated successively to a base plate successively in this order, wherein a storage modulus (E′) of the adhesive layer is 1.0×106 Pa or greater at 100 to 200° C., and (2) a display substrate for embedding pixel-controlling elements comprising an adhesive layer, a gas barrier layer and a thermoplastic film having a thickness of 50 to 500 pm which are laminated to a base plate successively in this order, wherein a storage modulus (E′) of the adhesive layer is 1.0×104 Pa or greater at 100 to 200° C., and a thickness of the gas barrier layer is 25 nm or greater. A pixel-controlling substrate in which pixel-controlling elements for controlling individual pixels for a display are embedded can be prepared with excellent quality using the display substrate.
摘要:
The present invention provides a resin composition containing a reactive monomer and/or oligomer having allyl ester groups, a film of the resin composition which is excellent in transparency and heat resistance and has a high thickness precision, and a process for producing such a film. The resin composition includes (A) a reactive oligomer having allyl ester groups and represented by the general formula (1): wherein R1 represents an alkanediyl or alkenediyl group having 1 to 4 carbon atoms with the proviso that a plurality of R1 groups may be the same or different, R2 represents a cycloalkanediyl, cycloalkenediyl or arenediyl group with the proviso that a plurality of R2 groups may be the same or different, and n represents an average degree of polymerization and is a number of 1 to 30; (B) a polyfunctional (meth)acrylic monomer and/or oligomer; and (C) a thermal polymerization initiator.
摘要:
A pressure sensitive adhesive sheet which is a laminate of a photorecording layer containing a photosensitive material and a pressure sensitive adhesive layer which is a pressure sensitive adhesive layer or a pressure sensitive adhesive layer of the energy hardening type, a multilayer structured article for photorecording medium using this sheet in which the photorecording layer and the pressure sensitive adhesive layer are laminated alternately, and a multilayer photorecording medium having this article, are provided. The sheet, the article and the medium exhibit excellent accuracy of thickness and can be produced easily without restriction on the material. The sheet, the article and the medium having a great area can be produced. When the pressure sensitive adhesive layer is formed with a pressure sensitive adhesive layer of the energy hardening type, formation of press marks on the multilayer photorecording medium can be suppressed.
摘要:
A process for producing a sheet of a circuit substrate which includes (i) providing a sheet for a circuit substrate which contains a layer of a polymer material of an energy ray hardening type for embedding circuit chips and is used for displays, the layer before being hardened by irradiating an energy ray having a storage modulus of 103 Pa or greater and smaller than 107 Pa at a temperature of embedding the circuit chips, (ii) embedding the circuit chips into the layer, and (iii) hardening the layer by irradiating an energy ray onto the layer to obtain the sheet of a circuit substrate, whereby the circuit chips are embedded, fixed and maintained in the resultant hardened layer, wherein the layer after being hardened by irradiating an energy ray has a storage modulus of 107 Pa or greater at 25° C.
摘要:
There are disclosed a protective film for optical disks which comprises a light transmittable substrate film and a pressure sensitive adhesive layer formed on one side thereof, wherein the difference in refractive index between the light transmittable substrate film and the pressure sensitive adhesive layer is at most 0.08 and a gel fraction of the pressure sensitive adhesive layer is at least 65% by mass; and an optical disk in which the protective film is stuck onto an information recording layer via the pressure sensitive adhesive layer. The protective film for optical disks is used for the purpose of protecting the information recording layer for optical disks, particularly Blu-ray Discs, and is characterized in that it never exerts adverse influence on the recording characteristics of optical disks and besides, is capable of suppressing the corrosion of the metallic reflection film and information recording layer for optical disks. The above optical disk is highly reliable, and never brings about hindrance to the information recording and reproducing function.
摘要:
The method for producing a circuit substrate of the present invention is characterized in that the circuit substrate is produced using as sheet a circuit substrate sheet including an uncured layer a part of which, the part being other than a part at which a circuit chip is disposed, is selectively curable before or after disposal of said circuit chip, wherein the uncured layer has a softness that enables embedding of the circuit chip in the circuit substrate sheet upon pressing the circuit chip that has been disposed on a surface of the uncured layer. According to the method for producing the circuit substrate of the present invention, the circuit chip can be embedded inwards with high accuracy, and the circuit substrate can be produced easily with high accuracy.
摘要:
A sheet material for a multilayer optical recording medium (10-a) which comprises an optical recording layer comprising a multiple-photon absorbing material (1), an adhesive layer (4) and a transfer layer of the energy beam curable type (3). The transfer layer of the energy beam curable type (3) is a layer for transferring the shape of a stamper having a shape having protrusions and depressions on the surface as recording pits and/or grooves. The transfer layer of the energy beam curable type (3) and the adhesive layer (4) are each disposed as outermost layers. A multilayer optical recording medium which has a repetitive structure comprising a plurality of laminated optical recording layers and exhibits excellent accuracy of thickness of each layer and the whole laminate can be produced with excellent productivity. Positional information can be contained at the inside of the optical recording medium.
摘要:
A process for producing a circuit substrate having a resin sheet having embedded circuit chips which is obtained by embedding circuit chips into a resin sheet, which comprises steps of (a) arranging and fixing circuit chips on a substrate for processing, (b) coating the substrate for processing on which the circuit chips have been arranged and fixed with a liquid material for forming a resin sheet of an energy curing type to form an uncured coating layer, (c) curing the uncured coating layer by impressing energy to form a layer of a resin sheet having embedded circuit chips, and (d) removing the substrate for processing from the layer of a resin sheet having embedded circuit chips, and a circuit substrate obtained in accordance with the process. A circuit substrate having a resin sheet having embedded circuit chips for controlling pixels of displays and the like can be produced efficiently with excellent quality and excellent productivity.
摘要:
A sheet material for a multilayer optical recording medium (10-a) which comprises an optical recording layer comprising a multiple-photon absorbing material (1), an adhesive layer (4) and a transfer layer of the energy beam curable type (3). The transfer layer of the energy beam curable type (3) is a layer for transferring the shape of a stamper having a shape having protrusions and depressions on the surface as recording pits and/or grooves. The transfer layer of the energy beam curable type (3) and the adhesive layer (4) are each disposed as outermost layers. A multilayer optical recording medium which has a repetitive structure comprising a plurality of laminated optical recording layers and exhibits excellent accuracy of thickness of each layer and the whole laminate can be produced with excellent productivity. Positional information can be contained at the inside of the optical recording medium.