Abstract: An object of the present invention is to provide an epoxy-based adhesive having excellent toughness and heat resistance as well as excellent adhesiveness to a substrate. The adhesive composition according to the present invention can suitably be used as an adhesive excellent in adhesiveness, toughness, and heat resistance, is therefore expected to greatly contribute to industry, especially in the field of structural adhesives. An adhesive composition containing an epoxy resin (A), a curing agent (B), a curing catalyst (C), a thixotropic agent (D), and a crystalline polyester (E).

Abstract: A macromolecular compound for providing an organic semiconductor material exhibiting excellent conversion efficiency; a starting-material compound having high material design freedom; and methods for producing thereof. The macromolecular compound comprising a benzobisthiazole structural unit is represented by the formula (1): in the formula (1), T1, T2, B1, and B2 represent heteroaryl groups, the heteroaryl groups are optionally each independently substituted by an organosilyl group, a halogen atom, or a hydrocarbon group, and at least one of the heteroaryl groups represented by T1, T2, B1, and B2 is substituted by a halogen atom.

Abstract: The invention provides a heat-shrinkable polyester film roll obtained by winding a heat-shrinkable polyester film on a paper tube with primary shrinkage in the longitudinal direction and a shrinkage rate of 40% or more, wherein the film has a winding length of 1000 to 30000 m, a width of 50 to 1500 mm, and a thickness of 5-30 ?m, the thickness irregularity of the film roll in the width direction is 20% or less, the paper tube has an inner diameter of 3 inches with a 0.5 mm or less difference in clearance and a 1700 N/100 mm or more flat compressive strength in the width direction after the film is removed from the film roll, the mean value of the winding hardness of the surface layer part of the film roll in the width direction is 500-850, and the natural shrinkage rate in the longitudinal direction is 2.0% or less.

Abstract: Provided is a biaxially oriented polyester film in which poor flatness that may be caused during heat processing is suppressed. In the biaxially oriented polyester film, the content rate of an ester constituting unit derived from an isophthalic acid component is 0.5-5.0 mol % with respect to 100 mol % of all ester constituting units, the amount of change in haze of the film is 5.0% or less, the intrinsic viscosity of constitutional polyester resins is 0.59-0.65 dl/g, the average value of storage moduli is 5.0-7.6×108 [Pa], the acid value of the film is 40-60 eq/ton, and the relational expression is satisfied: X×(Ymax3?Ymin3)?0.0591×(X×Ymin3)+0.005, where X is the storage modulus at 170° C., and Y is the film thickness per 1000 mm in the transverse direction with Ymax as the maximum value and Ymin as the minimum value.

Abstract: An object of the invention is to provide a polyester resin with highly reduced gelation, in addition to high moldability, surface smoothness, transparency, mechanical properties, heat resistance, thermal oxidative degradation stability, and chemical resistance. A polyester resin comprising a constituent moiety derived from terephthalic acid as a dicarboxylic acid component and constituent moieties derived from each of ethylene glycol, 1,4-butanediol, and a compound represented by a given structure as an alcohol component, wherein the dicarboxylic acid component comprises from 85 mol % to 100 mol % of terephthalic acid, the alcohol component comprises from 85 mol % to 100 mol % of 1,4-butanediol based on a total amount of ethylene glycol and 1,4-butanediol, and the alcohol component comprises from 0.001 mass % to 5 mass % of the compound represented by the given structure in 100 mass % of the alcohol component.

Abstract: A problem is to provide a layered film that exhibits favorable liquid-repellent properties with respect to both water and oil and is excellent in transparency, and an efficient production method therefor. A solution is a layered film including a coating layer containing a polyester resin A and fine particles C having surfaces subjected to hydrophobization treatment on a resin substrate film, in which the layered film has a haze value of 10% or less and a water sliding angle of 10 degrees or more and less than 70 degrees, and a production method for the layered film, in which a coating layer is layered using a coating liquid containing a specific solvent.

Abstract: The invention provides a biaxially-oriented polypropylene film that contains a base layer (A) comprising a polypropylene resin as a main component, a surface layer (B) provided at one side of the base layer (A), and a surface layer (C) provided at one side of the base layer (A) opposite to the surface layer (B), wherein the surface layer (B) has a wetting tension of 38 mN or more, a surface resistance value of 14.0 Log ? or more, an arithmetic average roughness (Ra) of 3.0-5.5 nm, a Martens hardness of 248 N/mm2 or less, and a center plane average surface roughness (SRa) of 0.010-0.026 ?m, and the surface layer (C) has a center plane average surface roughness (SRa) of 0.020 ?m or more and a Martens hardness of 270 N/mm2 or more.

Abstract: An object of the present invention is to provide an adhesive composition having high tensile lap-shear strength from substrates and high curing properties. An adhesive composition comprising an aromatic epoxy resin (A) with two or more functional groups, an aliphatic epoxy resin (B) with two or more functional groups, an epoxy resin hardener (C), a hardening accelerator (D), and a thixotropic agent (E), wherein the aliphatic epoxy resin (B) has a total chlorine content of 1.0% by mass or less.

Abstract: A semipermeable membrane comprising a polyether sulfone, a sulfonated polyarylene ether copolymer, and polyvinylpyrrolidone, having cytokine adsorption capabilities suitable for continuous renal replacement therapy. The sulfonated polyarylene ether copolymer includes a hydrophobic segment repeating unit represented by a formula (1) and a hydrophilic segment repeating unit represented by a formula (2) as copolymerization components. A ratio of (the polyether sulfone)/(the sulfonated polyarylene ether copolymer)/(the polyvinylpyrrolidone) (in mass) in the entirety of the semipermeable membrane is (75 to 90)/(7 to 22)/(3 to 18).

Abstract: A polyolefin-based film comprising at least one layer permitting printing as a result of laser irradiation; wherein not less than 100 ppm but not greater than 3000 ppm of pigment permitting printing as a result of laser irradiation is present in all layers of the film; haze thereof is not less than 1% but not greater than 30%; and unevenness in thickness thereof in either a machine direction or a transverse direction is not less than 0.1% but not greater than 25%. An object is to provide a film capable of being printed in distinct fashion by a laser, that excels with respect to unevenness in thickness, and that is of high transparency, and at the same time provide packaging which employs such film and on which printing has been directly carried out.

Abstract: The invention provides a heat-shrinkable polyester-based film containing 90 mol % or more of ethylene terephthalate unit based on 100 mol % of whole ester unit, wherein at least a part of ethylene glycol and/or terephthalic acid constituting the ethylene terephthalate unit is derived from biomass resource or the heat-shrinkable polyester-based film contains polyester resin recycled from PET bottles, and the heat-shrinkable polyester-based film satisfies the requirements: (1) heat-shrinkage ratio in a width direction measured by shrinking the film for 10 seconds in 90° C. hot water is 50%-75%, (2) heat-shrinkage ratio in a longitudinal direction measured by shrinking the film for 10 seconds in 90° C. hot water is ?6% or more and 14% or less, (3) heat-shrinkage ratio in the longitudinal direction measured by shrinking the film for 10 seconds in 70° C. hot water is ?6% or more and 6% or less, and (4) irregularity of thickness in the width direction is 1%-20%.

Abstract: The present disclosure describes using additional yarn having a boiling-water shrinkage rate less than that of the base yarn, thereby suppressing shrinkage at the sides in the width direction of the fabric and thus reducing the difference in the crimp ratio between the center in the width direction of the fabric and the sides in the width direction. This enables the production of a fabric for airbags with high uniformity in the width direction.

Abstract: The invention provides a carbon-neutral biaxially stretched polyamide film containing a raw material derived from biomass and having high heat-resistance, impact resistance, and folding pinhole resistance, as well as decreased variability in a degree of biomass in the mechanical (longitudinal) direction. The biaxially stretched polyamide film roll contains biaxially stretched polyamide film containing 70-99% by mass of polyamide 6 resin and 1-30% by mass of a polyamide resin in which at least a part of a raw material is derived from biomass, wherein the film roll has a winding length of from 1,000 m to 60,000 m, a width of from 400 mm to 3,000 mm, and variability in a degree of biomass of 15% or less based on radiocarbon 14C measurement of a biaxially stretched polyamide film sample taken from a surface to a core of the film roll at an interval of 1000 m in an MD direction.

Abstract: An object of the present invention is to provide copolyester resin having a furan skeleton and configured to enhance a crystallization rate and solve a problem in production such as blocking, and further avoid a risk such as bleed-out. The invention specifically provides a copolyester resin comprising: a polyvalent carboxylic acid component and a polyhydric alcohol component as constituent components, wherein the polyvalent carboxylic acid component contains a polyvalent carboxylic acid component (A) having a furan skeleton, and an aliphatic polyvalent carboxylic acid component (B) at a molar ratio of (A)/(B)=95/5 to 99.9/0.1.

Abstract: The present invention provides DNA polymerases that are highly resistant to inhibitors, and that can shorten the entire nucleic acid amplification reaction time by shortening the reverse transcription reaction time in a nucleic acid amplification method, in particular, in PCR or RT-PCR. The DNA polymerase is characterized by having reverse transcription activity, and comprising at least one amino acid modification at position 509 or 744 in SEQ ID NO: 1 or 2. In particular, the amino acid modification at position 509 or 744 in SEQ ID NO: 1 or 2 is substitution with histidine, lysine, or arginine.

Abstract: The invention provides a polyester sealant film having at least one of a heat sealing layer and a heat resistant layer, wherein each layer consists of a polyester component containing ethylene terephthalate. The polyester sealant film has (1) a heat sealing strength of the heat sealing layers of 8-20 N/15 mm; (2) a difference in reversible heat capacity (?Cp) for the heat sealing layer of 0.5-1.1 J/g/K; (3) a ?Cp for the heat resistant layer of 0.1 to less than 0.6 J/g/K; (4) a fold holding angle of 20-60 degrees; (5) a smaller curvature radius of 50-300 mm in a longitudinal or widthwise direction; and (6) a heat shrinkage ratio of ?5% to 5% in both longitudinal and widthwise directions. The invention also provides a laminate comprising at least one layer of the polyester sealant and a packaging bag comprising the laminate.

Abstract: Provided is a means for increasing mannosylerythritol lipid (MEL) production efficiency. The present invention is a mannosylerythritol-lipid-producing microorganism transformed with an expression vector having a gene that encodes a lipase under the control of E5Pgap promoter or E5Ptef promoter.

Abstract: An object of the present invention is to provide a thermoplastic copolyester that not only has toughness but also has excellent enzymatic degradability and excellent heat resistance. The invention specifically provides a thermoplastic copolyester comprising: a hard segment formed of an aromatic polyester structural unit; and a soft segment formed of an aliphatic polyester structural unit, wherein a content of the hard segment in the thermoplastic copolyester is 35 to 63 mass %, the aromatic polyester structural unit contains 70 mass % or more of an aromatic polyester component formed of a dicarboxylic acid component having a furan skeleton, and an aliphatic diol component, the aliphatic polyester structural unit contains 70 mass % or more of an aliphatic hydroxycarboxylic acid component, and the thermoplastic copolyester has a reduced viscosity ranging from 0.5 to 3.5 dl/g.

Abstract: Provided is a biaxially oriented polypropylene film that is suitable as a raw film for processing and that, without impairing excellent transparency and mechanical properties intrinsically possessed by the biaxially oriented polypropylene film, exhibits excellent adhesiveness at the time of vapor deposition, coating, or lamination with another film and also has favorable slipperiness and blocking resistance. The biaxially oriented polypropylene film contains a base material layer (A) and a surface layer (B), each of which contains a polypropylene-based resin as a main component, wherein (1) the number of protrusions of 500 nm or larger in a surface area of 2000 ?m2 on the surface layer (B) is 50-200, (2) a surface of the surface layer (B) has a wetting tension of 38 mN/m or higher, (3) the surface has a Martens hardness of 350 N/mm2 or lower, and (4) the surface has an arithmetic average roughness (Ra) of 1.5-3.0 nm.

Abstract: A multilayer film comprising at least two layers being a base layer and an antifogging layer, wherein (a) the heat seal strength at each of the temperatures 120° C., 140° C., 160° C., and 180° C. is 2.0-12.0 N/15 mm, (b) the water contact angle under conditions in which the temperature is 5° C. and the relative humidity is 50% is 50° or smaller, (c) the peel strength of the antifogging layer surface and the substrate layer surface of the multilayer film is 1 N/15 mm or smaller, (d) the impact strength under conditions in which the temperature is 5° C. is 0.5 J or larger, (e) the tearing strength under conditions in which the temperature is 5° C. is 100 mN or larger in both the MD direction and the TD direction of the multilayer film, and (f) the thickness of the antifogging layer is 0.3 ?m or larger and smaller than 3.0 ?m.