A granulate organosilane preparation is made consisting essentially of (a) 30 to 60 weight percent of at least one organosilane of the formula ##STR1## where R 1 is an alkyl group with 1 to 3 carbon atoms, R 2 is an alkyl or alkoxy group with 1 to 3 carbon atoms, R is an alkylene group with 1 to 5 carbon atoms and x has a value from 2.0 to 6.0, and (b) 70 to 40 weight percent of carbon black.

Granulate form organosilane preparation

A method for the production of spherical granulated materials from powdered solids and the granulated materials produced by it are disclosed The method is characterized in that the powdered solids are moistened, possibly together with the usual binders, flow agents and plasticizers for the compression of solids, by the addition of a corresponding quantity of liquid and mixing smoothly in a mixer; they are then compressed with a ring collar mill into cylindrical agglomerate and then rounded in a rounding unit with wrinkle washer The granulated solids thus produced have a very narrow particle size distribution and are distinguished by good flowability and good dispersability, depending on process controls

Method for producing spherical granulated materials from powered solids and granulated materials produced thereby

Improved conductive latex dispersions are disclosed comprising a specific blend of conductive carbon black particles. The carbon black component of the blend comprises acetylene carbon black particles and furnace black particles, with the furnace black particles having a nitrogen surface area (m 2 /gm) of about 250 or greater and a DBP absorption value cc/100 gm of about 180 or above. The dispersions exhibit stable viscosity upon usage and storage and still result in acceptable conductivity.

Stability conductive emulsions

A process for controlling the ratio: DBP NUMBER/DBP NUMBER AFTER PRESSING for carbon black pellets comprising mixing the carbon black with water and forming the carbon black and water mixture into pellets by means of a wet pelletizing machine, selectively controlling the rotating shaft speed of the pelletizing machine and the amount of water and the location of water injected into the pelletizing machine; and subsequently drying the wet carbon black

Process for the control of the ratio DBP number/DBP number after pressing in the manufacture of carbon black pellets

A method of controlling the bulk or pour density of carbon black without altering its rubber reinforcing properties, by wet micropulverizing prior to pin mixing.

Control of carbon black densification

A wet pelletizing process for preparing improved carbon black pellets having controlled size, uniformity and bulk handling properties, wherein fluffy carbon black is intimately mixed with a portion of the liquid medium required for pellet formation prior to adding the remainder of the liquid medium during pelletization

Howard R. Harris

Papers

Preparation of pelletized carbon blacks