C08K5/3445

Lens for spectacles and spectacles
11542385 · 2023-01-03 · ·

Provided are a lens for spectacles containing a resin and a coloring agent having a maximum absorption wavelength in a methanol solution in a range of 400 nm to 500 nm and a half-width of an absorption peak in a methanol solution of 10 nm or more and less than 40 nm, and spectacles.

Ionic polymer compositions

A dielectric polymeric composition comprising a polymeric matrix comprising structural units derived from a polymerizable vinyl monomer; an ionic liquid comprising an organic cation and a balancing anion, wherein the ionic liquid is miscible or partially miscible with the polymerizable vinyl monomer, and wherein the concentration of ionic liquid in dielectric polymeric composition ranges from 0.5 to 30 wt. %; and less than 10 ppm of unreacted polymerizable vinyl monomer, based on the total weight of the composition, wherein an amount of unreacted polymerizable vinyl monomer in the composition is measured via HPLC. The polymeric matrix further comprises structural units derived from a polymerizable co-monomer comprising a functional group that has the ability to form hydrogen bonds within the polymeric matrix. The polymeric matrix further comprises a crosslinking agent, and wherein the polymeric matrix comprises covalent crosslinks between the crosslinking agent and the structural units derived from the polymerizable vinyl monomer.

Ionic polymer compositions

A dielectric polymeric composition comprising a polymeric matrix comprising structural units derived from a polymerizable vinyl monomer; an ionic liquid comprising an organic cation and a balancing anion, wherein the ionic liquid is miscible or partially miscible with the polymerizable vinyl monomer, and wherein the concentration of ionic liquid in dielectric polymeric composition ranges from 0.5 to 30 wt. %; and less than 10 ppm of unreacted polymerizable vinyl monomer, based on the total weight of the composition, wherein an amount of unreacted polymerizable vinyl monomer in the composition is measured via HPLC. The polymeric matrix further comprises structural units derived from a polymerizable co-monomer comprising a functional group that has the ability to form hydrogen bonds within the polymeric matrix. The polymeric matrix further comprises a crosslinking agent, and wherein the polymeric matrix comprises covalent crosslinks between the crosslinking agent and the structural units derived from the polymerizable vinyl monomer.

ONE COMPONENT (1K) CURABLE ADHESIVE COMPOSITION

The present invention is directed to a curable and one component (1K) debondable adhesive composition comprising: a) epoxy resin; b) a curing agent for said epoxy resin; c) an electrolyte; and, d) an electrically non-conductive filler; wherein said composition comprises at least one of: e) a combination of a solubilizer and a toughener; and, f) electrically conductive particles.

ONE COMPONENT (1K) CURABLE ADHESIVE COMPOSITION

The present invention is directed to a curable and one component (1K) debondable adhesive composition comprising: a) epoxy resin; b) a curing agent for said epoxy resin; c) an electrolyte; and, d) an electrically non-conductive filler; wherein said composition comprises at least one of: e) a combination of a solubilizer and a toughener; and, f) electrically conductive particles.

RUBBER COMPOSITION AND TIRE

The present disclosure provides a rubber composition and a tire which provide improved overall performance in terms of wet performance and dry performance. The present disclosure relates to a rubber composition, containing at least one polybutadiene rubber and/or at least one styrene-butadiene rubber, having a complex modulus E* that reversibly changes with water, and satisfying the following relationships 1) to 3): 1) Complex modulus E* when water-wet/Complex modulus E* before water-wet×100≤98 wherein E* represents the E* at 23° C. of the rubber composition; 2) 99≤Complex modulus E* after water-wet and dehydrated/Complex modulus E* before water-wet×100≤100 wherein E* represents the E* at 23° C. of the rubber composition; 3) 99≤Volume when water-wet/Volume before water-wet×100≤100 wherein Volume represents the volume at 23° C. of the rubber composition.

RUBBER COMPOSITION AND TIRE

The present disclosure provides a rubber composition and a tire which provide improved overall performance in terms of wet performance and dry performance. The present disclosure relates to a rubber composition, containing at least one polybutadiene rubber and/or at least one styrene-butadiene rubber, having a complex modulus E* that reversibly changes with water, and satisfying the following relationships 1) to 3): 1) Complex modulus E* when water-wet/Complex modulus E* before water-wet×100≤98 wherein E* represents the E* at 23° C. of the rubber composition; 2) 99≤Complex modulus E* after water-wet and dehydrated/Complex modulus E* before water-wet×100≤100 wherein E* represents the E* at 23° C. of the rubber composition; 3) 99≤Volume when water-wet/Volume before water-wet×100≤100 wherein Volume represents the volume at 23° C. of the rubber composition.

RUBBER COMPOSITION AND TIRE

The present disclosure provides a rubber composition and a tire which provide improved overall performance in terms of wet performance and dry performance. The present disclosure relates to a rubber composition, containing at least one polybutadiene rubber and/or at least one styrene-butadiene rubber, having a complex modulus E* that reversibly changes with water, and satisfying the following relationships 1) to 3): 1) Complex modulus E* when water-wet/Complex modulus E* before water-wet×100≤98 wherein E* represents the E* at 23° C. of the rubber composition; 2) 99≤Complex modulus E* after water-wet and dehydrated/Complex modulus E* before water-wet×100≤100 wherein E* represents the E* at 23° C. of the rubber composition; 3) 99≤Volume when water-wet/Volume before water-wet×100≤100 wherein Volume represents the volume at 23° C. of the rubber composition.

ORGANIC IONIC CONDUCTIVE POLYMER GEL ELASTOMER AND METHOD FOR PREPARING SAME
20220396672 · 2022-12-15 ·

Disclosed are an organic ion conductive polymer gel elastomer including a polymer matrix; a plasticizing solvent impregnated into the polymer matrix to plasticize the polymer matrix so that the polymer matrix is in a gel state; and an ion conductive dopant ionized by the plasticizing solvent and dispersed in the polymer matrix, wherein the plasticizing solvent and the ion conductive dopant are non-hydrophilic, and a method of preparing the organic ion conductive polymer gel elastomer.

CURABLE COMPOSITION AND METHOD FOR PRODUCING CURABLE COMPOSITION
20220389212 · 2022-12-08 ·

Disclosed is a curable composition comprising an elastomer (A), an epoxy resin (B) and a latent curing agent (C), wherein the latent curing agent (C) comprises a combination of two or more latent curing agents.