A resole resin in the form of microspherical particles whose surfaces are partly or entirely covered with a coating of a substantially water-insoluble inorganic salt and which are not larger than 500 mu m in size, and a process for producing such resole resin. The resole resin comprises solid particles that are highly heat reactive and can be stored in a stable manner for a prolonged period. The ...

1. A film with a matt and rough surface, which consists of a major proportion of a low molecular vinyl chloride polymer and a minor proportion of a high molecular vinyl chloride polymer and a filler, as well as lubricants and a heat stabilizer, and which has been produced by the roll kneading/calendering process, which film consists of a) 65 to 97% by weight of a low molecular vinyl chloride polym...

A dispersion, having highly dilatant flow, of a carboxyl-containing copolymer of monoolefinically unsaturated monomers, wherein the temperature dependence of the critical shearing rate is greatly reduced by incorporation of from 0.1 to 30% by weight of oxides, hydroxides, carbonates and/or water soluble salts of monovalent or divalent metals.

Novel ultra high molecular weight polyethylene molding composition and a process for preparaing and using said composition. The product of this invention is particularly suited for making porous, plastic products by the free-sintering method. The product of this invention is prepared by compacting powdered ultra high molecular weight polyethylene under the influence of pressure and heat to alter t...

A process for manufacturing foamed silicone compositions by foaming a cross-linkable composition which comprises: (a) 100 parts by weight of a vinyl-containing polysiloxane containing 0.0002 to 3% by weight of vinyl groups and a viscosity of from 0.1 to 1,000 Pascal-seconds at 25 DEG C., (b) up to 10 parts by weight of a silanol-containing silicon compound with a viscosity from 0.01 to 10 Pascal-...

The gearbox has a number of selectable gears which can be coupled one at a time to its input shaft (1). The selected gear is in mesh with a gear on an intermediate shaft (2) which has a further gear in mesh with one of a number of selectable gears which can be coupled one at a time to its output shaft (3). The total number of gears is the product of the gears available on the input and output shaf...

Polyurethane-based matrix materials are made by reacting a phenol which is at least bifunctional with an aromatic isocyanate which is at least difunctional in the presence of 1-40 wt. % soft segment former. The soft segment former is a compound containing long chain aliphatic groups having at least six carbon atoms in the aliphatic group, an isocyanate-reactive group and a molecular weight of from...

PCT No. PCT/SE85/00125 Sec. 371 Date Jan. 15, 1986 Sec. 102(e) Date Jan. 15, 1986 PCT Filed Mar. 19, 1985 PCT Pub. No. WO85/04200 PCT Pub. Date Sep. 26, 1985.Method of treating cellulose fibers wherein the fibers are treated with a composition containing a reagent A-B-X based on cyanuric chloride (A) in which one of the three chlorines has been reacted with an amine or hydroxyl compound (B-X). The...

Thermosettable prepolymers or resins are prepared by reacting a pyrazine containing at least two substituent groups which have a hydrogen atom attached to a carbon atom which is attached to the ring, with a material containing at least two aromatic aldehyde groups. These prepolymers or resins are curable to thermoset products having good mechanical and thermal properties. Thermoset polymers having...

The invention is especially fitable for the electronmagnets in conductor and brake in the D.C. operation with A.C. as power supply changing the structure of electronmagnets and taking the high magnetic vector as the atraction condition, a high current density on coil is taken with the mean of restrain magnet, thus the optimum distribution obtained with the atraction and pushing. The electronmagnet...

1. A method for producing shaped elements, especially construction panels, made from wood fiber reinforced hydraulically setting material, wherein at most 15 % by weight, in relation to the dry weight of the mixture, of reinforcing wood fibers and/or bundles of wood fibers, as well as water, are admixed to the binding agent and the so obtained slurry is processed into panels on dewatering equipmen...

An improvement for the structure of a quench ring and dip tube combination. It is applicable to an assembly of those elements on a gasification generator at the outlet thereof. It has a hollow perforated standpipe (48) that will bleed off any accumulation of gas above the cooling water in the quench ring.

The invention relates to a process and reactor for converting coal of high moisture content and ash content to synthesis gas. The gasification reactor (10) is provided with a plurality of burner openings (22, 23, 24) which are arranged in the reactor at two levels. The burners (30, 31) at the lower level point downwards and are operated at a high oxygen/carbon ratio, in order to keep the slag orif...

A process for the production of black iron oxide pigments having a magnetite structure from iron ion-containing acidic waste water which comprises precipitating the iron ions with alkaline substances in a first stage at ambient temperature to produce a raw slurry and in a second stage, concentrating the raw slurry adjusted to a pH of from 5.0 to 8.0 with acidic substances and then ripening the con...

The tocodynamometer has a detector which includes a pressure responsive button (2). Linear displacements of the button are converted into electrical signals by variation of inductance in a linear variable differential transducer (20). The button is typically centrally placed within a fixed pressure insensitive annular guard body (1). A leaf spring (4) resists displacement of the button and is cali...

A high voltage transformer incorporates a bobbin on which the primary winding is wound. The transformer auxiliary coils are wound directly over the primary winding with no intermediate layers of insulation. The wire turns of the auxiliary coils are evenly distributed over the full traverse of the primary winding to improve magnetic coupling and simplify tuning of the transformer.

An image processing system and method are used to ascertain the position of lead frame beams on a semiconductor lead frame prior to the formation of wire bonds to those lead frame beams. The lead frame beams are illuminated by a light source and light reflected from the lead frame beams is detected. Digital data representative of the reflected light is generated and stored in a memory. A control m...

A hardenable composition which comprises (i) a poly(carboxylic acid) or precursor thereof (as herein defined); (ii) a particulate ion-leachable silicate, aluminosilicate or metal oxide reactable with (i) in the presence of water to set to a hardened composition; and (iii) a compound comprising at least one phosphorus-carbon or phosphorus-boron covalent bond, in an amount effective in service to ex...

A balancing device of a unit formed by a first machine carriage (1) supporting a second mobile carriage (4) on the first, in any direction other than the vertical, by means of a counterweight (6) connected to the first carriage (1) via chains (7, 8). This transmission comprises at least two chains (7 and 8) connected to said first carriage (1) via return-pulleys (13, 14) entrained by said chains (...

A method and various forms of apparatus are disclosed relating to the fabrication of solid particulate filter bodies (21) and other honeycombed structures, in which the cells (22) are selectively charged with a plugging or other flowable material (34). A solid covering (28), preferably being an adhesive-backed transparent thermoplastic film such as polyester, is applied over each of the end faces ...