The present invention relates to an adhesive composition comprising, among others, (i) microfibrillated cellulose and (ii) a metal in oxidation state of II or greater. The present invention further relates to uses of such an adhesive composition and to products prepared with such an adhesive composition. Furthermore, the present invention relates to a process for making corrugated paperboards or cardboards, or solid paperboards or cardboards by using such an adhesive composition.

The present invention relates to an adhesive composition comprising, among others, (i) microfibrillated cellulose and (ii) a metal in oxidation state of II or greater. The present invention further relates to uses of such an adhesive composition and to products prepared with such an adhesive composition. Furthermore, the present invention relates to a process for making corrugated paperboards or cardboards, or solid paperboards or cardboards by using such an adhesive composition.

A multilayer film bonded to a base fabric includes a first layer bonded to the base fabric; and a second layer disposed on the first layer. The first layer, the second layer, or both includes a thermoplastic elastomer. The thermoplastic elastomer is at least one selected from the group consisting of a polyester-based elastomer, a polyurethane-based elastomer, and a polyamide-based elastomer. A melt strength of the multilayer film is greater than or equal to 7.5 mN.

A multilayer film bonded to a base fabric includes a first layer bonded to the base fabric; and a second layer disposed on the first layer. The first layer, the second layer, or both includes a thermoplastic elastomer. The thermoplastic elastomer is at least one selected from the group consisting of a polyester-based elastomer, a polyurethane-based elastomer, and a polyamide-based elastomer. A melt strength of the multilayer film is greater than or equal to 7.5 mN.

A hydrogel 1 having a laminate structure of layer A 10 and layer B 20, wherein layer A 10 contains a monomer-derived component, water, a humectant, a water-insoluble polymer having tackiness and an amphiphilic polymer, the water-insoluble polymer is contained in a proportion of 3 to 20 wt % based on a total amount of layer A, and the amphiphilic polymer is a polyvinyl alcohol having a saponification degree of 50 to 75% and is contained in a proportion of 0.05 to 5 wt % based on the total amount of layer A; layer B 20 contains a monomer-derived component, water and a humectant and is substantially free of a water-insoluble polymer having tackiness and a polyvinyl alcohol; and an amount of the water based on a total amount of layer B is the amount of water based on the total amount of layer A±10 wt %.

Provided is an optical laminate having excellent resistance to the pressure from the surface and a display device including the same. The optical laminate includes a surface protective layer, a first pressure sensitive adhesive layer, a light absorption anisotropic layer, and a second pressure sensitive adhesive layer in this order, in which an indentation elastic modulus of the first pressure sensitive adhesive layer is greater than an indentation elastic modulus of the light absorption anisotropic layer, the light absorption anisotropic layer is a layer formed of a composition for forming a light absorption anisotropic layer containing a liquid crystal compound and a dichroic substance, and a thickness of the light absorption anisotropic layer is less than 5 μm.

An adhesive composition is provided. The adhesive composition includes a polyvinyl alcohol-based resin; a melamine-based crosslinking agent; an acid catalyst; and a silane-based additive. The weight ratio of the melamine-based crosslinking agent and the acid catalyst is from 5:1 to 1:1. The acid catalyst also has a sulfonic acid group. A protective film and a polarizing plate including an adhesive layer including the adhesive composition, and an image display device including the polarizing plate is also provided.

An adhesive composition is provided. The adhesive composition includes a polyvinyl alcohol-based resin; a melamine-based crosslinking agent; an acid catalyst; and a silane-based additive. The weight ratio of the melamine-based crosslinking agent and the acid catalyst is from 5:1 to 1:1. The acid catalyst also has a sulfonic acid group. A protective film and a polarizing plate including an adhesive layer including the adhesive composition, and an image display device including the polarizing plate is also provided.

An adhesive composition is provided. The adhesive composition includes a polyvinyl alcohol-based resin; a melamine-based crosslinking agent; an acid catalyst; and a silane-based additive. The weight ratio of the melamine-based crosslinking agent and the acid catalyst is from 5:1 to 1:1. The acid catalyst also has a sulfonic acid group. A protective film and a polarizing plate including an adhesive layer including the adhesive composition, and an image display device including the polarizing plate is also provided.

The present invention aims to provide an aqueous adhesive which has both good moldability and strong adhesive force to the skin, and provides good feeling when used. The present invention can provide an adhesive with good shape retention performance by formulating two or more aqueous macromolecules, polyhydric alcohols, aqueous and insoluble cross-linking agents.