Sekisui Chemical Co.

Minami-rinkan, Japan

Sekisui Chemical Co.

Minami-rinkan, Japan
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Patent
Asahi Glass Co. and Sekisui Chemical Co. | Date: 2017-03-22

An interlayer for a laminated glass includes a thermoplastic resin, ITO particles, and a phthalocyanine-based compound including at least one of a phthalocyanine compound and a naphthalocyanine compound. When A indicates an amount (parts by mass) of the ITO particles in 100 parts by mass of the thermoplastic resin, and B indicates an amount (parts by mass) of the phthalocyanine-based compound in 100 parts by mass of the thermoplastic resin,the amount A satisfies the amount B satisfies


Patent
Sekisui Chemical Co. | Date: 2017-02-08

There is provided a thermoplastic resin film which is high in tear resistance. The thermoplastic resin film according to the present invention is provided with a plurality of first thermoplastic resin layers each containing a thermoplastic resin and a plurality of second thermoplastic resin layers each containing a thermoplastic resin, and has a multilayer structure in which the first and second thermoplastic resin layers are laminated in the thickness direction, the number of laminations in total of the first and second thermoplastic resin layers in the thickness direction is greater than or equal to 5, the ratio of the total thickness of the first thermoplastic resin layers to the total thickness of the second thermoplastic resin layers is greater than 1, the tensile modulus of elasticity of the respective first thermoplastic resin layers is less than or equal to 30 MPa, and the tensile modulus of elasticity of the respective first thermoplastic resin layers is greater than or equal to 280 MPa.


There is provided an interlayer film for laminated glass with which the transparency can be enhanced. The interlayer film for laminated glass according to the present invention is obtained by mixing a first film material containing a first polyvinyl acetal resin and a second film material containing a second polyvinyl acetal resin and a plasticizer, and the absolute value of the difference between the content of the hydroxyl group of the first polyvinyl acetal resin and the content of the hydroxyl group of the second polyvinyl acetal resin contained together with the plasticizer in the second film material is less than or equal to 13% by mole.


Patent
Sekisui Chemical Co. | Date: 2017-01-04

The fire-resistant heat-insulating coating material (3) for a pipe (2) comprises a foamed polyurethane heat-insulating layer comprising a flame-retardant urethane composition containing a polyisocyanate, a polyol, a trimerization catalyst, a foaming agent, a foam stabilizer, and additives, the additives comprising red phosphorus and at least one member selected from the group consisting of phosphoric acid esters, phosphate-containing flame retardants, bromine-containing flame retardants, borate-containing flame retardants, antimony-containing flame retardants, metal hydroxides, and needle-shaped fillers.


Patent
Sekisui Chemical Co. | Date: 2017-02-01

The present invention aims to provide a binder for an electrode of a power storage device which is excellent in dispersibility of an active material and adhesion, capable of improving the electrode density of an electrode to be obtained, provided with high resistance against an electrolyte, and capable of producing a high-capacity lithium secondary battery even when the amount thereof is small. The present invention also aims to provide a composition for an electrode of a power storage device, an electrode of a power storage device, and a power storage device each produced using the binder for an electrode of a power storage device. The present invention relates to a binder for an electrode of a power storage device, including a polyvinyl acetal-based resin dispersion containing particles of a polyvinyl acetal-based resin dispersed in an aqueous medium, the polyvinyl acetal-based resin having a hydroxy group content of 30 to 60 mol%.


Patent
Sekisui Chemical Co. | Date: 2017-02-08

The present invention aims to provide an interlayer film for laminated glass having all of high rigidity, handleability, adhesiveness to glass, and high transparency. The present invention also relates to a laminated glass including the interlayer film for laminated glass. The present invention relates to an interlayer film for laminated glass including: a polyvinyl acetal resin; a metal atom; and a plasticizer, the interlayer film for laminated glass having a ratio (B/A) between a work of rupture A at 23C and a work of rupture B at 40C of 0.55 or higher, the work of rupture A and the work of rupture B being obtained by measurement of tear strength in conformity with JIS K-7128-3.


Patent
Sekisui Chemical Co. | Date: 2017-01-18

The present invention provides an electret sheet which can maintain a high generated voltage even if a large amount of pressure has been applied. Disclosed is an electret sheet of the present invention including an electrically charged propylene-based resin foam sheet which contains a crosslinked propylene-based resin that includes a propylene--olefin random copolymer having a weight average molecular weight of 370,000 to 420,000 at a proportion of 60% by weight or more, and has a gel fraction of 30% to 50% by weight, and in which the average thickness is 90 to 150 m, and the average number of foam cells in the thickness direction is 2 to 4 cells.


There is provided conductive paste excellent in electro-conductivity and thermal conductivity. Conductive paste comprising conductive filler being composite particles including copper powder and nanosize precipitates which are disposed on the surface of the copper powder and composed of at least one kind of transition metal belonging to the group 8 to group 10 of the periodic table or a compound of the transition metal, and a binder resin.


Provided are a heat-resistant synthetic resin microporous film that has both good heat resistance and good mechanical strength and exhibits a suppressed decrease in mechanical strength over time, and a method for producing the heat-resistant synthetic resin microporous film. The heat-resistant synthetic resin microporous film of the present invention includes a synthetic resin microporous film, and a coating layer formed on at least part of the surface of the synthetic resin microporous film and containing a polymer of a polymerizable compound having two or more radically polymerizable functional groups per molecule. The maximum thermal shrinkage rate of the heat-resistant synthetic resin microporous film when heated from 25C to 180C at a temperature rising rate of 5 C/min is 15% or less. The piercing strength thereof is 0.6 N or more. The rate of retention of the piercing strength after heating at 70C for 168 hours is 85% or more.


Provided is a photocurable and thermosetting adhesive for inkjet which can increase the thickness accuracy of an adhesive layer formed by curing an adhesive and can further cause the adhesive layer to hardly generate voids. A photocurable and thermosetting adhesive for inkjet according to the present invention contains a photocurable compound, a thermosetting compound, a photopolymerization initiator, and a thermal curing agent, wherein the elastic modulus at 25C of a B-staged adhesive is at least 5.0 10^(2) Pa and at most 8.0 0 10^(4) Pa when the B-staged adhesive is obtained by irradiating the adhesive with light of a cumulative light quantity of 1000 mJ/cm^(2) so that illumination at a wavelength of 365 nm is 100 mW/cm^(2).

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