604 results about "Glass transition point" patented technology

Cycloolefin resin pellets of the present invention comprises a cycloolefin resin pellet and a powdery coating material and/or a liquid coating material, the melting point or the glass transition point of the coating material being 200° C. or lower, and the coating material being adhered onto the surface of the cycloolefin resin pellets, so that the molded product thereof is excellent in transparency.

An electromagnetic interference suppressor of substantially unpressurized sheet form is obtained by applying and drying a magnetic paint, and comprises 30 to 80% by volume of soft magnetic powder and 20 to 70% by volume of a binder. The binder is an elastomer or a resin that a glass transition point and/or a softening point is 50° C. or more and a storage modulus (E′) is 10⁷ Pa (JIS K 7244-1) or more in a state containing neither solvent nor filler at room temperature. This electromagnetic interference suppressor exerts a superior electromagnetic interference suppressing effect.

A process for the production of a thinned wafer, comprising bonding the circuit surface (surface A) of a semiconductor wafer (a) to a holding substrate (b) with an adhesive film (c), grinding and polishing the back surface (surface B) of the semiconductor wafer to thin the semiconductor wafer, carrying out the metallization of the back surface (surface B) and the like as required, and then separating the thinned wafer from the holding substrate (b), wherein a thermoplastic resin film is used as the adhesive film (c) and the above bonding of the circuit surface (surface A) of the semiconductor wafer (a) to the holding substrate (b) is carried out at a bonding temperature selected from the range of from +10.degree. C. to +120.degree. C. of glass transition point of the thermoplastic resin film or the range of from -40.degree. C. to +20.degree. C. of melting point of the thermoplastic resin film.

A glass ceramic composition which consists essentially of an inorganic material powder having a melting point or a glass transition point of at least 1,000° C. and a glass powder having a glass transition point of from 450 to 800° C., wherein the average of the major axes L of particles of the above inorganic material powder is from 0.5 to 15 μm, and the average of the ratios L/W of the major axes L to the minor axes W is at most 1.4. Further, a glass ceramic composition which consists essentially of, as represented by mass percentage, from 10 to 58% of an inorganic material powder having a melting point or a glass transition point of at least 1,000° C. and from 42 to 90% of a glass powder having a glass transition point of from 450 to 800° C., wherein the glass powder consists essentially of, as represented by mol %, SiO₂: 35 to 70%, B₂O₃: 0 to 30%, Al₂O₃: 3 to 18%, MgO: 0 to 40%, CaO: 0 to 19%, BaO: 0 to 35% and ZnO: 0 to 9%.

An easily adhesive polyester film is provided which is used for protection of the back side of a solar cell, the adhesive polyester film comprising a polyester film and a resin film situated on a surface of the polyester film, the resin film comprising a crosslinking agent and a resin selected from the group consisting of a polyester resin having a glass transition point of 20 to 100° C., an acrylic resin having a glass transition point of 20 to 100° C., a combination of the resins and a combination of at least one of the resins and a polyvinyl alcohol having a saponification degree of 70 to 90 mol %. This film has excellent adhesion to EVA while having excellent mechanical properties, heat resistance and moisture resistance.

Provided is a liquid-crystalline, polymerizable vinyl ketone compound of formula (1):

Preferably, R¹ is hydrogen, halogen, —CN, —CF₃, —CF₂H, —CFH₂, —OCF₃, —OCF₂H, or alkyl, alkoxy, alkoxyalkyl or alkenyl having from 1 to 10 carbon atoms; R², R³ and R⁵ are hydrogen; A¹ to A⁴ are independently 1,4-cyclohexylene, 1,4-cyclohexenylene or 1,4-phenylene where any hydrogen may be substituted with halogen; Z¹ to Z³ are independently a single bond, —(CH₂)₂—, —CH═CH—, —CF═CF—, —OCF₂— or —CF₂O—; Z⁴ is a single bond, —(CH₂)₃— or —(CH₂)₄—; m, n and q are independently 0, 1 or 2. The uppermost temperature of the liquid crystalline phase of the compound is high, and the compound has good compatibility with other compounds and has the necessary characteristics such as optical anisotropy. Also provided are a polymer having many good characteristics of transparency, mechanical strength, coatability, solubility, crystallinity, shrinkage, water permeability, water absorption, melting point, glass transition point, clearing point and chemical resistance; an optically-anisotropic material of the polymer; a liquid-crystal display device that comprises the polymer; and a method for producing the liquid-crystalline compound.

An object of the present invention is to provide a semiconductor device which has flexibility and resistance to a physical change such as bending and a method for manufacturing the semiconductor device. A semiconductor device of the present invention includes a plurality of transistors provided over a flexible substrate, each of which has a semiconductor film, a gate electrode provided over the semiconductor film with a gate insulating film therebetween, and an interlayer insulating film provided to cover the gate electrode, and a bending portion provided between the plurality of transistors, in which the bending portion is provided by filling an opening formed in the interlayer insulating film with a material having a lower elastic modulus, a material having a lower glass transition point, or a material having a higher plasticity than that of the interlayer insulating film.

The invention relates to a manufacturing method of a die for molding an optical element. The manufacturing method comprising: forming the first film layer of an amorphous allow having a super-cooling liquid phase onto a master transfer surface of a master die for molding a molding transfer surface of the die; heating the first film layer more than a glass transition point of the amorphous alloy having the super-cooling liquid phase while a surface of the first film layer and a transferred surface of a base material of the die being faced and pressed; and peeling the first film layer from the master die and transferring the first film layer onto the base material of the die to form the molding transfer surface of the die.

The present invention relates to a holding and sealing material 2 set between a catalyst carrier 1 and a shell 95 which covering the outside of the catalyst carrier 1 in a catalytic converter for purifying an exhaust gas and manufacturing method thereof. An organic binder 22 on the holding and sealing material 2 has the glass transition point Tg (° C.) of less than or equal to approximately 5° C. In addition, an infiltrating step and a drying step are conducted during the manufacturing. In the infiltrating step, the mat-like material is infiltrated with emulsion containing the organic binder. In the drying step, the mat-like material containing the emulsion is dried.

An optical adhesive polyester film comprising (A) a polyester film layer containing an aromatic polyester and an ultraviolet absorber and (B) a coating formed on at least one surface of the polyester film (A). The coating (B) contains at least one polymer selected from the group consisting of a coating polyester having a glass transition point of 40 to 100° C. and an acryl polymer having a glass transition point of 20 to 80° C. in an amount of 50 to 95% by weight based on the coating. The optical adhesive polyester film is disposed on the front of a plasma display so as to block externally incoming ultraviolet light.

A polyolefin resin composition comprises (A) 10 to 100 wt % of a propylene/α-olefin random copolymer obtained by random copolymerization of propylene and a C₂ to C₂₀ α-olefin, and having a melting point as measured by DSC of 40 to 115° C. and an α-olefin content of 5 to 70 mol %, (B) 0 to 90 wt % of a random propylene resin having a melting point as measured by DSC of 120 to 150° C., and (C) an alicyclic saturated hydrocarbon resin having a glass transition point of 20 to 100° C. and a number average molecular weight of 1200 or less, the component (C) being used in an amount of 5 to 100 weight parts per 100 weight parts of the total amount of the components (A) and (B). A single-layer or multilayer film obtained from the polyolefin resin composition can be stretched at a lower temperature than in the conventional one, and a shrink film obtained by such a low-temperature stretching has a higher shrinkage factor than one stretched at a high temperature, and also has a small natural shrinkage factor.

An ink for inkjet textile printing comprising a pigment, a water-dispersible resin, water, and a water-soluble organic solvent, wherein the water-soluble organic solvent comprises a polyol having an SP value within a range from 10 to 15.5 (cal/cm³)^1/2, and the water-dispersible resin comprises a urethane resin having a glass transition point within a range from −35 to 10° C.

An image-forming method applying a heat-sensitive transfer system which uses a heat-sensitive transfer image-receiving sheet and a heat-sensitive transfer sheet,

• • in which the heat-sensitive transfer image-receiving sheet has a support, at least one dye receptor layer on the support, and at least one heat insulation layer containing both hollow polymer particles and a hydrophilic polymer that is disposed between the dye receptor layer and the support; and the heat-sensitive transfer sheet has at least one yellow heat transfer layer, at least one magenta heat transfer layer, and/or at least one cyan heat transfer layer on a support:
  • comprising controlling each glass transition point (Tg-A) of three heat transfer layers so that they decrease in area order; and
  • comprising transferring at least three kinds of heat transfer dyes contained in the heat transfer layers to the dye receptor layer in order.

An ink composition contains a pigment, first wax particles, second wax particles, and a resin emulsion, in which the first wax particles have a melting point of 120° C. or higher and 170° C. or lower, the second wax particles have a melting point of 70° C. or higher and less than 120° C., the resin emulsion has a glass transition point of 50° C. or higher and 150° C. or lower, the first wax particles contain one or more kinds of wax particles selected from the group consisting of polyethylene wax particles or polypropylene wax particles, and the second wax particles contain one or more kinds of wax particles selected from the group consisting of polyethylene wax particles.

Disclosed is a highly adhesive polyester film which is used for protecting the back side of a solar cell and composed of a polyester film and a resin coating arranged on one side of the polyester film. This highly adhesive polyester film is characterized in that the resin coating is made of a crosslinking agent and a resin selected from polyester resins having a glass transition point of 20-100 DEG C, acrylic resins having a glass transition point of 20-100 DEG C, combinations of those resins, and combinations of at least one of those resins and a polyvinyl alcohol having a saponification degree of 70-90 mol%. This highly adhesive polyester film is excellent in adhesion to EVA while achieving excellent mechanical properties, heat resistance and moisture resistance.

A block copolymer comprising, in a main chain thereof, a crystalline polymer block A obtained by hydrogenation of at least 80% of unsaturated bonds of a butadiene-based polymer block having a 1,2-bond content less than 20%, a polymer block B having a glass transition point of 20° C. or lower and a polymer block C composed mainly of a methacrylate ester unit and/or an acrylate ester unit and having a glass transition point exceeding 20° C. has good elastomeric properties, excellent weather resistance, solvent resistance and heat resistance and has good affinity with each of a polar polymer and non-polar polymer. A polymer composition comprising said block copolymer effectively exhibits the above-described characteristics of the block copolymer.

An light guide (12) has an indented pattern (105) on its front surface (10a) and an indented pattern (103) on its back surface (10b), and includes: a light guide plate (15) including the indented pattern (105) provided on the front surface (10a); a light distribution control part (13) including the indented pattern (103) provided on the back surface (10b); and a middle layer (14) provided between the light guide plate (15) and the light distribution control part (13), the light distribution control part (13) being less in film thickness than the light guide plate (15), and the light distribution control part (13) having a glass transition point lower than that of the light guide plate (15). This makes it possible to form indented patterns on the front surface and the back surface of an optical laminate constituted by a stack of a plurality of layers, while preventing occurrence of defects.

A water and oil repellent composition having excellent durability, which can impart excellent water and oil repellency to an object, even in a process at low temperatures, and which enables water and oil repellent treatment providing a soft hand. A water and oil repellent composition which comprises, as an essential component, a copolymer containing polymerization units of the following monomer (a) and polymerization units of the following monomer (b):

• • monomer (a): an R^f group-containing monomer which forms a photopolymer having no melting point or a melting point of at most 55° C. attributable to fine crystals derived from the R^f groups and having a glass transition point of at least 20° C.
  • monomer (b): a monomer having no R^f group and having a cross-linkable functional group.