摘要:
The present invention relates to an electromechanical transducer comprising a dielectric elastomer with contact by a first electrode and a second electrode, wherein the dielectric elastomer comprises a polyurethane polymer. In this case, the polyurethane polymer comprises at least one polyester and/or polycarbonate unit. The invention also relates to a process for producing such an electromechanical transducer, to the use of the dielectric elastomer used and also to an electrical and/or electronic apparatus comprising an electromechanical transducer according to the invention.
摘要:
The present invention relates to compositions comprising aqueous polymer dispersions, particularly polyurethane dispersions, used for the production of energy converter, energy converters produced therefrom, and the use of such energy converters.
摘要:
The invention relates to decorative cosmetic compositions containing specific polyurethanes or aqueous dispersions thereof and constituents producing decorative effects.
摘要:
The present invention relates to reactive preparations, comprising isocyanate-functional polyurethane building blocks, to a method for the production thereof, and to the use thereof as or in adhesives having high initial strength and high mechanical strength.
摘要:
The invention relates to hair styling compositions containing special polyurethanes and to the use of the above-mentioned polyurethanes for producing hair styling compositions.
摘要:
The invention relates to skin care compositions containing special polyurethanes for application to the skin. The invention also relates to the use of said polyurethanes for producing skin care products.
摘要:
The invention relates to the preparation of low-viscosity ester mixtures for transesterification of vegetable or animal fats or oils with monofunctional esters.
摘要:
The invention relates to the drying of foams by means of microwave radiation, and in particular, where the foams are obtained from aqueous polyurethane dispersions (PU dispersions).
摘要:
The present invention relates to a strand-like profile body for dental cleaning, wherein the cross-section of the profile body comprises a bottom section (10) and first wall sections (12) and second wall sections (14), which adjoin the bottom section and are arranged opposite of each other, and wherein furthermore the bottom section (10) together with the first and second wall sections (12, 14) forms at least one recess (16, 18) in the profile body for receiving a tooth. The invention further relates to a method for the production thereof and the use thereof for cleaning teeth.
摘要:
The invention relates to sun protection compositions for applying to the skin, containing special polyurethanes and to the use of the above-mentioned polyurethanes for producing sun-protection products.