Abstract: Composite anchors for use in concrete or masonry are described. The anchor is a rod sheathed in a material which has been impregnated with a moisture-curing polyurethane resin.

Abstract: The invention relates to crosslinking isocyanates for polymeric adhesives containing a mixture of triisocyanatotriphenyl methane and trimerization products of 2,4-tolylene diisocyanate containing at least 50% triisocyanatomonoisocyanurate and less than 1% free tolylene diisocyanate.

Abstract: The present invention is directed to a polyurethane reactive adhesive compound comprising:A) one or more polyisocyanates having an inactivated particle surface,B) at least one isocyanate reactive compound having a molecular weight MG.sub.w greater than 400, andC) finely dispersed polymer particles, wherein the polymer is solid at temperatures below 70.degree. C. and has a molecular weight MG.sub.w of at least 3000.

Abstract: Disclosed herein is a transparent adhesive containing isocyanate groups based on at least one polyol and at least one polyisocyanate, characterized in that the adhesive contains urea groups.

Abstract: The present invention is directed to a reactive polyurethane mixture comprising:A) at least one polyisocyanate,B) a polyol mixture comprising:B1) at least one polyol containing three or more hydroxyl groups and having a molecular weight in the range from 800 to 6,000,B2) at least one polyol containing three or more hydroxyl groups and having a molecular weight in the range from 400 to 799 andB3) at least one polyol containing three or more hydroxyl groups and having a molecular weight in the range from 92 to 399, andC) at least one polyamine.

Abstract: This invention relates to modified polyetheramide hotmelt adhesives showing reduced melt viscosity and, optionally, better adhesive properties and to their use as ingredients for hotmelt adhesives.

Abstract: Xanthogen disulphides of the following formula: ##STR1## wherein R and R.sub.1 independently represent hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.8 -cycloalkyl or an oxygen-containing heterocyclic ring system having from 5 to 8 ring members and optionally mono- or tri-substituted by C.sub.1 -C.sub.4 -alkyl, and whereinR and R.sub.1 may also be connected together to complete a hetero cyclic ring having from 3 to 6 carbon atoms and from 1 to 3 oxygen ring members, and the ring may be substituted by from 1 to 3 C.sub.1 -C.sub.4 -alkyl groups, with a content of elemental sulphur of less than 1.7% by weight, a process for their production by the reaction of a xanthic acid-O-ester-alkali metal salt of the following formula: ##STR2## wherein R and R.sub.1 are as defined in claims 1 and 3, andM represents an alkali metal, with aqueous chlorine bleach liquor, characterized in that aqueous chlorine bleach liquor having a concentration of less than 0.

Abstract: A process for the preparation of a phosphoric acid propargyl ester of the formula ##STR1## wherein R.sup.1 and R.sup.2 each independently is an aryl radical or a C.sub.1-4 -alkyl, C.sub.1-4 -alkenyl or C.sub.1-4 -alkynyl radical, andX, Y and Z each independently is oxygen or sulphur, comprising reacting a phosphoric acid monoester chloride or diester chloride with at least the equivalent amount of propargyl alcohol in a two-phase system in the presence of an inorganic base as an acid-trapping agent, and a catalyst comprising about 0.001 to 100 mol %, relative to the phosphoric acid ester chloride, of a tertiary amine or quaternary ammonium or phosphonium salt with at least 9 C atoms. Advantageously the catalyst is present in about 0.01 to 10 mol % relative to the phosphoric acid ester chloride and is a tertiary amine or quaternary ammonium salt, X, Y and Z are oxygen, R.sup.1 is propargyl and R.sup.2 is C.sub.

Abstract: Synergistic arthropodicidal compositions containing (1) a phosphorus-containing compound of the formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 each independently is an optionally substituted alkyl, alkenyl or aryl radical, at least one of R.sup.1, R.sup.2 and R.sup.3 being an optionally substituted alkenyl radical unsaturated in the 2-position,X is oxygen or sulphur, andY and Z each independently is oxygen, sulphur or a direct bond; and if both Y and Z are oxygen or sulphur or a direct bond, then any of R.sup.1, R.sup.2 and R.sup.3 can denote propargyl in addition to the radicals indicated above,and (2) at least one (A) carbamate, (B) carboxylic acid ester, (C) phosphoric acid ester other than (1), (D) halogenocycloalkane or (E) halogenoalkane.

Abstract: The invention relates to antistatic polyamide compositions comprising a polyamide and as an antistatic agent from 0.1 to 20%, preferably from 1.5 to 15%, by weight based on the total weight of the composition of urethanes with ether groups. The urethanes with ether groups are stable in melts of aliphatic polyamides for prolonged periods at temperatures of up to about 300.degree. C. and filaments and fibers of such polyamides or woven fabrics, knitted fabrics, non-woven or pile fabrics produced from these filaments or fibers show outstanding antistatic properties.

Abstract: The invention relates to a copolymer comprising at least 40% by weight of copolymerized acrylonitrile and from 0.5 to 10% by weight of at least one copolymerized unsaturated ester of acetoacetic acid corresponding to the general formula:CH.sub.3 --CO--CH.sub.2 --COO--R--CR'.dbd.CH.sub.2and, optionally, at least one other copolymerized comonomer.

Abstract: The invention relates to a copolymer comprising at least 40% by weight of copolymerized acrylonitrile, from 0.5 to 40% by weight of at least one copolymerized aceto acetate of a mono (meth) acrylate of an aliphatic diol containing from 2 to 8 carbon atoms and, optionally, at least one other copolymerized comonomer.

Abstract: The invention relates to a process for the production of allyl or methallyl phosphonic acid dialkyl esters by reacting allyl chloride or methallyl chloride with trialkyl phosphites at temperatures of from 80.degree. to 160.degree. C in the presence of a compound of avalent and/or monovalent nickel or in the presence of a compound of avalent, monovalent or divalent cobalt.