Showa Denko K.k.

Resonac Corporation

Hiroto Kouka

Yasuhiro Nakagawa

Yoshikuni Okumura

Takanori Aoki

Kazunari Fukase

Kentarou Takahashi

The present invention relates to (1) a latex for an adhesive composition, the latex for an adhesive composition (A) containing a polymer of an ethylenic unsaturated monomer (a1), a surfactant (a2), and an aqueous medium, the polymer of an ethylenic unsaturated monomer (a1) having a carboxy group, the polymer of an ethylenic unsaturated monomer (a1) having an average particle diameter of 0.30 to 5.00 μm, (2) a latex for an adhesive composition, the latex for an adhesive composition (A) containing a polymer of an ethylenic unsaturated monomer (a1), a surfactant (a2), and an aqueous medium, the polymer of an ethylenic unsaturated monomer (a1) having a carboxy group and a crosslinked structure, and (3) an adhesive composition containing the latex for an adhesive composition (A) and a chloroprene based polymer latex (B).

Latex for adhesive composition and adhesive composition

As an adhesive for the lamination of metal foil and a resin film, an adhesive that can stably exhibit good adhesiveness and moreover can provide a laminate having better electrolytic solution resistance and heat resistance is provided. An adhesive comprising a polyolefin resin (A) having a carboxyl group; and polyisocyanate compounds (B), wherein the polyisocyanate compounds (B) comprise a polymer of a saturated aliphatic polyisocyanate (B1), a polymer of a saturated alicyclic polyisocyanate (B2), and a polymer of an aromatic polyisocyanate (B3).

Adhesive, laminate obtained using same, battery case material, and battery case and production method therefor

The present invention provides an adhesive for laminating a metal foil and a resin film, including: (A) 1% to 20% by mass of polyurethane which has at least one functional group selected from the group consisting of a hydroxy group, an acryloyl group, and a carboxy group; (B) 30% to 90% by mass of a monomer which does not has an active hydrogen and has two or more ethylenically unsaturated bonds; (C) 1% to 55% by mass of an aliphatic monomer which has one ethylenically unsaturated bond; (D) 1% to 15% by mass of a polyisocyanate compound; and (E) 0.5% to 5% by mass of a photoinitiator. The (B) has a cyclic structure, and the (C) has a linear hydrocarbon group, a branched hydrocarbon group, or a cycloalkyl group.

Adhesive, laminate, packaging material for battery casing, battery case, and method of producing battery case

An adhesive for laminating a metal foil to a resin film, the adhesive including: a polyol (A); a multimer of a polyisocyanate (B); and a metal compound (C) being a compound of at least one metal of Groups 7 and 12, wherein the multimer of a polyisocyanate (B) contains a multimer of a saturated aliphatic polyisocyanate and a multimer of a saturated alicyclic polyisocyanate. Also disclosed is a laminate having a metal foil and a resin film laminated through an adhesive layer obtained from the adhesive for laminating of the invention. Yet further disclosed is a packaging material for a battery casing obtained by using the laminate. Yet further disclosed is a battery case obtained by using the packaging material for a battery casing. Also disclosed is a method for producing a battery case which includes deep drawing or bulging the packaging material for a battery casing.

Adhesive for laminate of metal foil and resin film, laminated body, battery exterior packaging material, and battery case and manufacturing method therefor

A process of producing &#x3b1;,&#x3b2;-unsaturated ethers includes pyrolyzing an acetal represented by Formula (2) below in a gas phase in the presence of a catalyst and a compound having at least one hydrogen atom capable of hydrogen bonding to produce an &#x3b1;,&#x3b2;-unsaturated ether represented by Formula (3) below:RRCH&#x2014;CR(OR)&#x2003;&#x2003;(2)RRC&#x2550;C&#x2014;R(OR)&#x2003;&#x2003;(3)In Formulae (2) and (3), R, Rand Rare each independently a hydrogen atom, an alkyl group, an alkenyl group or an aryl group; Ris an alkyl group, an alkenyl group or an aryl group; the plurality of Rin Formula (2) may be the same or different from each other.

Process for producing &#x3b1;, &#x3b2;-unsaturated ether

Disclosed is a method for producing an &#x3b1;,&#x3b2;-unsaturated ether efficiently and stably for a long time. In the method for producing an &#x3b1;,&#x3b2;-unsaturated ether, an acetal is thermally decomposed in the presence of a catalyst containing an apatite represented by any of the following formula (1)-(4)(M)(HZO)(ZO)(X)&#x2003;&#x2003;(1)(M)(HPO)(PO)(X)&#x2003;&#x2003;(2)(M)(HZO)(ZO)(X)(SiO)&#x2003;&#x2003;(3)(M)(HZO)(ZO)(X)(CO)&#x2003;&#x2003;(4).

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Himeji, Japan

Hiroto Kouka