摘要:
Thermally and mechanically formable polymer film, characterised by a transparent antistatic coating of a mixture of 3,4-polyethylene dioxythiophene with a thermally or mechanically formable binder, its production and its use for packaging electronic components.
摘要:
Mixture of a polythiophene preparation which contains a polythiophene salt polythiophene.sup..sym. An.sup..crclbar. in which the polythiophene contains positively charged and uncharged recurring units of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another stand for hydrogen or a C.sub.1 -C.sub.4 alkyl group or together form an optionally substituted C.sub.1 -C.sub.4 alkylene radical, preferably a methylene radical optionally substituted with alkyl groups, an ethylene-1,2 radical optionally substituted with C.sub.1 -C.sub.12 alkyl groups or phenyl groups, a propylene-1,3 radical or a cyclohexylene-1,2 radical, andAn.sup..crclbar. denotes a polyanion,and coating compositions which are curable by ionising radiation, and the use thereof in order to produce scratch-resistant electrically conductive coatings.
摘要:
The invention relates to a process for the electrostatic lacquering of non-conductive surfaces. For this purpose, a layer of a conductive organic polymer from the class of the polypyrroles, polyanilines or polythiophenes is applied to the surface and this layer is then electrostatically lacquered.
摘要:
Coatings of electrically conductive polythiophene salts, polythiophene.sup.+ /An.sup.-, and hydrolyzable silanes, wherein the polythiophene group contains positively charged and uncharged recurring units of the formula (I): ##STR1## where, n is an integer from 5 to 100, andR.sub.1 and R.sub.2, independently of one another, represent hydrogen, an optionally substituted alkyl group having 1 to 20 carbon atoms, --CH.sub.2 --OH, or an aryl group having 6 to 14 carbon atoms, orR.sub.1 and R.sub.2, together, represent an optionally substituted alkylene group having 1 to 20 carbon atoms, andAn.sup.- means a polyanion,and wherein the silanes have been hydrolyzed in the presence of the conductive polythiophene salts, and the use thereof for the production of scratch-resistant electrically conductive coatings.
摘要:
This invention relates to new pure-colored iron oxide direct red pigments, to a process for their production and to their use for pigmenting lacquers, plastics, building materials and ceramics.
摘要:
A process for the production of a valve metal oxide powder, in particular an Nb2O5 or Ta2O5 powder by continuous reaction of a fluoride-containing valve metal compound with a base in the presence of water and calcination of the resultant product, wherein the reaction is performed in just one reaction vessel and at a temperature of at least 45° C. Valve metal oxide powders obtainable in said manner which exhibit a spherical morphology, a D50 value of 10 to 80 μm and an elevated BET surface area.
摘要翻译:在水存在下通过含氟化合物的阀金属化合物与碱的连续反应和所得产物的煅烧来生产阀金属氧化物粉末,特别是Nb 2 O 5或Ta 2 O 5粉末的方法,其中进行反应 仅在一个反应容器中并且在至少45℃的温度下。以所述方式获得的阀状金属氧化物粉末显示出球形形态,D50值为10至80μm,并且具有升高的BET表面积。
摘要:
A process for the production of a valve metal oxide powder, in particular an Nb2O5 or Ta2O5 powder by continuous reaction of a fluoride-containing valve metal compound with a base in the presence of water and calcination of the resultant product, wherein the reaction is performed in just one reaction vessel and at a temperature of at least 45° C. Valve metal oxide powders obtainable in said manner which exhibit a spherical morphology, a D50 value of 10 to 80 μm and an elevated BET surface area.
摘要翻译:在水存在下通过含氟化合物的阀金属化合物与碱的连续反应和所得产物的煅烧来生产阀金属氧化物粉末,特别是Nb 2 O 5或Ta 2 O 5粉末的方法,其中进行反应 在仅一个反应容器中并且在至少45℃的温度下。以所述方式获得的阀状金属氧化物粉末显示出球形形态,D 50值为10至80μm,并且具有升高的BET表面积。
摘要:
A process for preparing red ceramic molded bodies by rapid firing is disclosed, wherein low Si-content iron oxides are employed. The process produces molded bodies having improved colouristic properties.
摘要:
Described is an electrolytic capacitor that includes: (a) a layer of an oxidizable metal; (b) a layer of an oxide of the oxidixable metal; (c) a solid electrolyte; and (d) a plurality of contacts. The solid electrolyte includes a polythiophene having recurring units represented by the following formulas (I-a) and/or (I-b), Also described are processes for producing electrolytic capacitors, and conductive layers that include such polythiophenes.
摘要:
The invention relates to transparent iron oxide pigments having an average particle size, based on the longest needle axis, of less than 0.1 .mu.m, to processes for their production and to their use for pigmenting lacquers and plastics.