Abstract:
The production of 1-methyl-3-phenylindans by dimerization of styrenes in the presence of catalysts and poly-merization inhibitors. The products are valuable starting materials for the production of dyes and pesticides.
Abstract:
Crosslinkable coating agents based on an organic dispersion (I) of a crosslinkable copolymer (A) which dispersion is stable without an emulsifier and a diisocyanate or polyisocyanate (II). The organic dispersion (I) of the copolymer (A) is prepared by the copolymerization of: A. POLYMERIZABLE COMPOUNDS CONTAINING HYDROXYL GROUPS, WITH B. OTHER COMONOMERS IN C. AN ORGANIC LIQUID IN WHICH THE COPOLYMER (A) formed is not soluble, and in the presence of (B) a copolymer of comonomers from groups (a) and (b) and which is soluble in the organic liquid (c).
Abstract:
AN IMPROVED PROCESS FOR THE SEPARATION OF METAL CARBONYL CATALYSTS CAPABLE OF FORMING CARBONYLATE ANIONS FROM OXO REACTION MIXTURES BY MEANS OF ION EXCHANGERS BY TREATING THE CRUDE OXO REACTION MIXTURE WITH A BASIC ION EXCHANGER AT A TEMPERATURE OF 0* TO 120*C. AND PRESSURE RANGING FROM 5 TO 700 ATMOSPHERES.
Abstract:
RHODAMINE DYES HAVING ANIONS WHICH RENDER THEM INSOLUBLE IN WATER AND WHICH MAKE THEM ESPECIALLY USEFUL IN PRINTING INKS, BALL PEN INKS OR, FOR EXAMPLS, TRANSPARENT SURFACE COATINGS.
Abstract:
PRODUCTION OF ETHYLENE HOMOPOLYMERS HAVING A SPECIFIC DENSITY BY POLYMERIZATION OF ETHYLENE UNDER THE ACTION OF ORGANIC PEROXIDES AND OXYGEN AS FREE-RADICAL-GENERATING POLYMERIZATION INITIATORS AND OF POLYMERIZATION MODIFIERS AT ELEVATED TEMPERATURE AND SUPERATMOSPHERIC PRESSURE IN A TUBULAR REACTOR HAVING TWO SUCCESSIVE REACTION ZONES, A MIXTURE OF ETHYLENE, POLYMERIZATION INITIATOR AND POLYMERIZATION MODIFIER BEING INTRODUCED CONTINUOUSLY AT THE BEGINNING OF EACH REACTION ZONE. OXYGEN AS POLYMERIZATION INITIATOR AND A MIXTURE OF A POLYMERIZATION MODIFIER HAVING A SPECIFIC RELATIVELY LOW C5 VALUE AND A POLYMERIZATION MODIFIER HAVING A SPECIFIC RELATIVELY HIGH C5 VALUE ARE USED IN THE FIRST REACTION ZONE, AND AN ORGANIC PEROZIDE HAVING A SPECIFIC HALF VALUE TEMPERATURE AS POLYMERIZATION INITIATOR AND A MIXTURE OF A POLYMERIZATION MODIFIER HAVING A SPECIFIC RELATIVELY LOW C5 VALUE AND A POLYMERIZATION MODIFIER HAVING A SPECIFIC RELATIVELY HIGH POLYMERIZATION MODIFIER HAVING A SPECIFIC RELATIVELY HIGH C5 VALUE ARE EMPLOYED IN THE SECOND REACTION ZONE. THE ETHYLENE HOMOPOLYMERS OBTAINED HAVE A WIDE MOLECULAR WEIGHT DISTRIBUTION AND ARE PRACTICALLY DEVOID OF VERY HIGH MOLECULAR WEIGHT CONSTITUENTS.
Abstract:
A METHOD OF METALLIZING THE SURFACE OF EXPANDED PLASTICS ARTICLES BY APPLYING A LAYER OF A COATING COMPOSITION CONTAINING FINELY DISPERSED IRON PARTICLES AND ELECTROLESS DEPOSITION OF COPPER BY TREATING THE SAID LAYER WITH AN ACID AQUEOUS COPPER SALT SOLUTION, A LAYER OF AN AQUEOUS SOLUTION OR DISPERSION OF AN ORGANIC POLYMER CONTAINING HETEROATOMS BEING APPLIED AND DRIED PRIOR TO APPLICATION OF THE IRON-CONTAINING COATING.
Abstract:
Production of buten-2-ol-4 compounds by isomerization of buten1-ol-4 compounds in the presence of palladium or a compound thereof and hydrogen. The products are solvents or starting materials for the production of solvents, dyes, surface coatings and pest control agents.