An ionic conductive, stretchable, and flexible transparent material includes silk fibroin, a nanomaterial, and an electrolyte. The material can be recycled. A flexible surface capacitive touch panel and a flexible motion sensor can both be based on the ionic conductive, stretchable, and flexible transparent material. The ionic conductive, stretchable, and flexible transparent material shows many desirable properties, such as a good crystallinity, transparency, mechanical strength, recyclability, optical transparency, and electrical sensitivity. The material shows chemical and thermal stability, in addition to excellent dimensional stability.

A composition for producing a sheet material with a cellular structure, the composition including the following components: (a) about 5 to about 25 weight % gelatine, (b) about 25 to 60 weight % filler material, (c) about 15 to about 40 weight % water, and (d) a cellular structure promoting agent.

A pressure sensitive adhesive particle includes a styrene resin that contains, as polymerization components, styrene and a vinyl monomer other than styrene; and a (meth)acrylate resin that contains, as polymerization components, at least two (meth)acrylates that account for 90 mass % or more of all polymerization components of the (meth)acrylate resin, in which the pressure sensitive adhesive particle has a sea phase that contains the styrene resin, and island phases that are dispersed in the sea phase and contain the (meth)acrylate resin, the pressure sensitive adhesive particle has at least two glass transition temperatures, and a difference between the lowest glass transition temperature and the highest glass transition temperature is 30° C. or more, and in a cross section of the pressure sensitive adhesive particle, an area ratio of the island phases is 30% or more and 85% or less.

A pressure sensitive adhesive particle includes a styrene resin that contains, as polymerization components, styrene and a vinyl monomer other than styrene; and a (meth)acrylate resin that contains, as polymerization components, at least two (meth)acrylates that account for 90 mass % or more of all polymerization components of the (meth)acrylate resin, in which the pressure sensitive adhesive particle has a sea phase that contains the styrene resin, and island phases that are dispersed in the sea phase and contain the (meth)acrylate resin, the pressure sensitive adhesive particle has at least two glass transition temperatures, and a difference between the lowest glass transition temperature and the highest glass transition temperature is 30° C. or more, and in a cross section of the pressure sensitive adhesive particle, an area ratio of the island phases is 30% or more and 85% or less.

Pressure-responsive particles include pressure-responsive base particles and resin particles, in which the pressure-responsive base particles contain a styrene-based resin that contains styrene and other vinyl monomers as polymerization components and a (meth)acrylic acid ester-based resin that contains at least two kinds of (meth)acrylic acid esters as polymerization components, a ratio of a mass of the (meth)acrylic acid esters to a total mass of polymerization components is 90% by mass or more in the (meth)acrylic acid ester-based resin, the pressure-responsive particles have at least two glass transition temperatures, a difference between a lowest glass transition temperature and a highest glass transition temperature is 30° C. or higher, and a ratio of a mass of the resin particles to a total mass of the pressure-responsive particles is 0.05% by mass or more and 2.0% by mass or less.

Pressure-responsive particles include pressure-responsive base particles and resin particles, in which the pressure-responsive base particles contain a styrene-based resin that contains styrene and other vinyl monomers as polymerization components and a (meth)acrylic acid ester-based resin that contains at least two kinds of (meth)acrylic acid esters as polymerization components, a ratio of a mass of the (meth)acrylic acid esters to a total mass of polymerization components is 90% by mass or more in the (meth)acrylic acid ester-based resin, the pressure-responsive particles have at least two glass transition temperatures, a difference between a lowest glass transition temperature and a highest glass transition temperature is 30° C. or higher, and a ratio of a mass of the resin particles to a total mass of the pressure-responsive particles is 0.05% by mass or more and 2.0% by mass or less.

The invention provides formulations and masterbatches of a polymeric material and XRF-identifiable markers, for producing transparent elements including a polymer and at least one XRF-identifiable marker for a variety of industrial uses.

A method of creating a processable water soluble polymer, the method comprising the steps of: extruding a water soluble polymer composition from an extruder barrel without use of a die, wherein the extruder barrel is not vented other than via its extruder outlet, to produce an irregularly shaped polymer extrudate; directing the irregularly shaped polymer extrudate onto a chilled conveyor to cool the irregularly shaped polymer extrudate to below 60° C.; and granulating the irregularly shaped polymer extrudate to form a granulate.

The resin composition of the present invention includes a water-soluble resin (component A); and at least one selected from the group consisting of an inorganic salt and a polycyclic aromatic sulfonate (component B), the component A has a polycyclic aromatic monomer unit, the component B has a solubility in water at 25° C. of 1 g/100 g or more, and a content of the component B relative to 100 parts by mass of the component A is 1 part by mass or more and 40 parts by mass or less. According to the resin composition of the present invention, a resin composition that can be obtained by recycling and has improved heat resistance can be provided.

A method of creating a processable water soluble polymer, the method comprising the steps of: extruding a water soluble polymer composition from an extruder barrel without use of a die, wherein the extruder barrel is not vented other than via its extruder outlet, to produce an irregularly shaped polymer extrudate; directing the irregularly shaped polymer extrudate onto a chilled conveyor to cool the irregularly shaped polymer extrudate to below 60° C.; and granulating the irregularly shaped polymer extrudate to form a granulate.