Abstract: A hydrophobic precipitated silica having a BET of less than 110 m2/g, a CTAB of less than 150 m2/g, a BET/CTAB ratio of less than 3, a carbon content of greater than 3.1%, a pH of 9.7 to 10.5, a DBP of less than 230 g/(100 g), and a methanol wettability of more than 50%. The hydrophobic precipitated silica is used in compositions including defoamers, silicone rubber and HTV crosslinkable silicone rubber compositions. The hydrophobic precipitated silica is also useful as a flow assistant and carrier or anti-blocking agent.

Abstract: Precipitated silicas with a high pH and their use in applications as defoamers having optimum silanol group density and a process for preparing precipitated silicas and to their use, particularly in defoamer formulations.

Abstract: Hydrophobic precipitated silicas with a high pH and low silanol group density, a process for preparing them and their use, particularly in deformer formulations.

Abstract: Precipitated silicas with a high pH and their use in applications as defoamers having optimum silanol group density and a process for preparing precipitated silicas and to their use, particularly in defoamer formulations.

Abstract: Hydrophobic precipitated silicas with a high pH and low silanol group density, a process for preparing them and their use, particularly in deformer formulations.

Abstract: Aqueous suspensions of a silicate capable of binding calcium ions, containing, based on the total weight of the suspension,a) as silicate, a compound corresponding to Formula I:(Cat.sub.2 /.sub.n O).sub.x .multidot.Me.sub.2 O.sub.3 .multidot.(SiO.sub.2).sub.y (I) andB) as dispersing component, a mixture of at least two oxoalcohol ethoxylates corresponding to Formula IIR--(OCH.sub.2 CH.sub.2).sub.n --OH (II),wherein R=C.sub.10 -C.sub.15 alkyl having a degree of branching of 0 to 90% linear and 100 to 10% single methyl branchesn=3-5.25 mol ethoxy groups in Component 1n=5.5-7.0 mol ethoxy groups in Component 2C) a polyethylene glycol having an average molecular weight of from 200 to 2000.

Abstract: A stable, pumpable, aqueous solution of a water-insoluble silicate capable of binding calcium ion is shown which, referred to the total weight of the aqueous suspension, containsA) 0.5 to 80% by weight of a finely divided, synthetic water-insoluble compound containing bound water and in the form of a silicate capable of binding calcium and of the formula:(Cat.sub.2/n O).sub.s.Me.sub.2 O.sub.3 (SiO.sub.2).sub.ywhere Cat is an n-valent cation exchangeable with calcium, x is number from 0.7 to 1.5, Me is boron or aluminum and y is number from 0.8 to 6, andB) 0.5 to 6% by weight of a mixture acting as the dispersing ingredient and formed of at least two oxo-alcohol ethoxylates of formula:R--(OCH.sub.2 CH.sub.2).sub.n --OHwhere R--C.sub.10 --C.sub.15 alkyl with a maximum branching rate of 25%, that is, at most 25% of the fatty alcohol ethoxylate comprises single methyl branching,n=3-5.0 moles of ethylene oxide for component 1,n=5.5-7 moles of ethylene oxide for component 2.

Abstract: There is prepared an aqueous stable suspension of a water insoluble silicate capable of binding calcium ions and it is used for the production of washing and cleaning agents. The suspension contains in addition to water components A and B wherein component A is a silicate capable of binding calcium and having the formula(Cat.sub.2/n O).sub.x -Me.sub.2 O.sub.3 .multidot.(SiO.sub.2).sub.y Iand component B is a dispersing agent comprising a mixture of at least two fatty alcohols polyglycol ether based on isotridecyl alcohol or another aliphatic C.sub.13 alcohol and ethylene oxide having the following properties:(a) Fatty alcohol polyglycol ether having 4.5 to 5.5 EO units______________________________________ Turbidity point DIN 53917 56 to 60.degree. C. Solidification point +4 to -25.degree. C. Viscosity at 50.degree. C. 13 to 28 m Pas Density at 50.degree. C. 0.94 to 0.

Abstract: A granulated detergent builder is disclosed comprising:65 to 85 weight percent of a water insoluble silicate capable of binding calcium, in the form of a finely dispersed, bound-water-containing, synthetically produced, water insoluble crystalline compound having the general formula:(Cat.sub.2/n O).sub.x.Me.sub.2 O.sub.3.(SiO.sub.2).sub.y (I),in which Cat is a cation exchangeable with calcium with the valency n, x is a number from 0.7 to 1.5, Me is boron or aluminum, and y a number from 0.8 to 6,4 to 10 weight percent sodium nitrilotriacetate1.5 to 3 weight percent nonionic surfactant0 to 1 weight percent alkali0.5 to 1.5 weight percent carboxymethyl cellulose and/or methylcelluloseand the balance is water.The product can be produced by spray drying an aqueous suspension in which all ingredients are dispersed or dissolved.

Abstract: A scouring powder is provided which contains as the sole mechanical cleaning component crystalline zeolite powder of Type A having the following particle spectrum:______________________________________ Fractions (.mu.) Proportions (Weight %) ______________________________________ <3 <15 <5 <35 <10 <82 <15 <96 <20 up to 100 ______________________________________and at least 99.5% by weight of the particles having a diameter below 45 microns. Further components of the scouring power can include water soluble agents aiding the cleaning, bleaching, or disinfecting action.

Abstract: There are provided aqueous pumpable stable suspensions of a water insoluble silicate capable of binding calcium ions which contain based on the total weight of the aqueous suspension(A) as the silicate capable of binding calcium 0.5 to 80 weight percent of a finely divided, bound water containing, synthetically produced, water insoluble compound of the general formula(Cat.sub.2/n O).sub.x.Me.sub.2 O.sub.3.(SiO.sub.2).sub.y (I),in which Cat is a cation exchangeable with calcium and which has the valence n, x is a number from 0.7 to 1.5, Me is boron or aluminum and y is a number between 0.8 and 6 and(B) as a dispersingly active component 0.5 to 6 weight percent of a mixture of at least two different alkylphenolethoxylates of the formula ##STR1## where R is an alkyl group of 1 to 15 carbon atoms. The component A especially can be a zeolite A while component B can consist of two alkylphenolethoxylates of formula (II) in which m is 2 to 7 and m is 8 to 15.

Abstract: The invention is directed to a process for the production of zeolites of the type Na A4 having the surface modified with organosilanes. The organosilane must have at least one alkoxy group bonded to the silicon atom. The modified zeolites of the invention are used in washing and cleansing agents.

Abstract: The solidification of hydraulic cement mixtures can be accelerated by addition of crystalline zeolites. Preferably, there are employed zeolites of Types A, X, and P.