Entity

Time filter

Source Type


This binder for use in a positive electrode for a lithium ion secondary battery contains a copolymer of both vinyl alcohol and an alkali-metal-neutralized ethylenically unsaturated carboxylic acid.


Patent
Kai R&D Center Co. and Sumitomo Seika Chemicals Co. | Date: 2013-10-28

The present invention provides a lubricating resin composition for personal care, wherein the composition comprises 100 parts by mass of a thermoplastic elastomer having durometer A hardness (HDA) of 10 to 40, 10 to 40 parts by mass of a water-soluble polyethylene oxide, and 20 to 60 parts by mass of a water-absorbent modified polyalkylene oxide, and wherein the composition not only maintains its superior lubricity and roughness-resistant property under a wet condition even in repeated use thereof, but also represents a low swelling ratio and no slimy feeling under a wet condition.


Patent
Sumitomo Seika Chemicals Co. | Date: 2013-12-04

The present invention aims to provide a composition for soft materials, which enables production of a soft material excellent in transparency, a stress relaxation property, and strength and having an elongation property that is not so much lowered even at high temperatures. The present invention also aims to provide a soft material produced using the composition for soft materials of the present invention. The present invention relates to a composition for soft materials including polyrotaxane and a radical polymerizable monomer, the polyrotaxane including a cyclic molecule, a linear molecule threading through a cavity of the cyclic molecule in a skewered manner, and capping groups that cap both ends of the linear molecule, the polyrotaxane having at least one cyclic molecule with a radical polymerizable group, the polyrotaxane having at least two radical polymerizable groups.


Patent
Sumitomo Seika Chemicals Co. | Date: 2013-03-06

The present invention aims to provide an electrolyte solution for a lithium-air cell, the electrolyte solution having excellent chemical stability and a high withstand voltage and being in a stable liquid state without undergoing precipitation of salts or coagulation over a broad temperature range. The present invention also aims to provide a lithium-air cell which is produced using the electrolyte solution for a lithium-air cell and has excellent long-term reliability and good charge-discharge cycle characteristics. The present invention relates to an electrolyte solution for a lithium-air cell, the electrolyte solution containing: an organic solvent that contains a chain alkyl sulfone compound represented by Formula (1): wherein R


The present invention provides a highly conductive, highly voltage-resistant, and stable liquid electrolyte solution for capacitors which does not coagulate and is free from precipitation of salts in a wide temperature range, particularly at low temperatures, shows excellent electrical characteristics, and has excellent long-term reliability. The present invention also provides an electric double-layer capacitor and a lithium ion capacitor produced using the electrolyte solution for capacitors. The present invention relates to an electrolyte solution for capacitors including: an organic solvent; and a quaternary ammonium salt or lithium salt dissolved in the organic solvent, the organic solvent containing acetonitrile and a chain alkyl sulfonic compound represented by the formula (1): wherein R

Discover hidden collaborations