Abstract: An ink jet recording head having a high durability and high ink resistance can enable high-quality image recording by employing a material capable of reducing the internal stress and having satisfactory patterning characteristics. Such an ink jet recording head can be produced with high precision. A cationically photopolymerizable resin composition containing a condensate of a hydrolysable organosilane compound, employed as a material for forming a flow path forming member, enables a reduction of internal stress and a highly precise pattern in the flow path forming member, thereby providing an ink jet recording head having high durability and high ink resistance and capable of high-quality printing over a prolonged time.

Abstract: Metallic substrates with a vitreous or glass-ceramic pigmented protective layer are obtainable by applying an alkali metal silicate-containing coating sol to the substrate or a surface thereof and thermally densifying the layer thus obtained, said alkali metal silicate-containing coating sol comprising an oxidic pigment of at least one element selected from the third and fourth main or subgroups of the Periodic Table of the chemical elements and the transition metals Fe, Co, Ni, Cu, Zn, Nb and Ta.

Abstract: A method for producing a functional colloid during which particles are reactively fragmented in a mechanical manner in a dispersant in the presence of a modifying agent so that the modifying agent is chemically bound, at least in part, to the fragmented colloid particles.

Abstract: The invention relates to a plastic film with an interference multilayer system applied thereon that comprises at least two layers. Said layers can be obtained by hardening and/or applying thermal treatment to a coating composition containing nanoscale inorganic solid particles having polymerizable and/or polycondensable organic surface groups, thereby forming a layer that is crosslinked by means of the polymerizable and/or polycondensable organic surface groups. The films can be used as an optical laminating film.

Abstract: A method for producing an ink jet recording head having high durability and high ink resistance can enabling enable high-quality image recording by employing a material capable of reducing the internal stress and having satisfactory patterning characteristics. Such an ink jet recording head can be produced with high precision. A cationically photopolymerizable resin composition containing a condensate of a hydrolysable organosilane compound, employed as a material for forming a flow path forming member, enables a reduction of internal stress and a highly precise pattern in the flow path forming member, thereby providing an ink jet recording head having high durability and high ink resistance and capable of high-quality printing over a prolonged time.

Abstract: A process for the preparation of hydrolytically and hydrothermally stable consolidated proppants is described, in which (A) a consolidating agent comprising (A1) a hydrolysate or precondensate of at least one functionalized organosilane, a further hydrolyzable silane and at least one metal compound, the molar ratio of silicon compounds used to metal compounds used being in the range of 10 000:1 to 10:1, and (A2) an organic crosslinking agent are mixed with a proppant and (B) the consolidating agent is cured at elevated pressure and elevated temperature. The consolidated proppants obtained have high mechanical strength.

Abstract: A centrifugal pump comprising a pump housing made of injection-molded plastics with a first housing part, which is designed as a single piece with a suction connection and a pressure connection, and comprises a sealing area, by means of which said first housing part is joined in a liquid-tight manner to a second housing part, that receives an electric motor, and a motor housing part. In this centrifugal pump, very good leak tightness is achieved with minimum number of parts, minimum weight and minimum assembly costs with universal applicability without impairing the visual overall impression of the centrifugal pump. This objective is achieved in that the second housing part is made of a material that is permeable to laser light of a wavelength or a wavelength range, and the first housing part is made of a material that absorbs the same laser light, and the first housing part and the second housing part are heat-sealed to one another.

Abstract: A process for preparing a binder which comprises a heterocondensate of silicon compounds and metal and/or boron compounds. The process comprises mixing a silicon component which comprises (A), at least one hydrolyzable silicon compound having a non-hydrolyzable polymerizable group, with water to form a hydrolysis product, and 15 s to 15 min after mixing (A) with water, the addition of (B), at least one compound of boron or a metal selected from Al, Ga, In, Tl, Ge, Ga, Sn, Pb, Ti, Zr, Hf, Sc, Y and La.

Abstract: Disclosed is a process of preparing a moulded article, comprising 1) hydrolysing a) at least one silane having one non-hydrolysable organic group, and b) at least one compound selected from b1) a silane having two non-hydrolysable organic groups, and b2) a hydrolysable polysiloxane, or a mixture thereof, and c) optionally at least one silane having no non-hydrolysable organic group, to prepare a composite composition comprising a hydrolysate or condensate, 2) placing the composite composition in a mould, 3) curing the composite composition to increase the degree of condensation, 4) removing the moulded article from the mould, and 5) heat treating the moulded article at a temperature of at least 100° C. The moulded article is preferably an optical lens which may be used for automobile headlights.

Abstract: A method for producing a functional colloid during which particles are reactively fragmented in a mechanical manner in a dispersant in the presence of a modifying agent so that the modifying agent is chemically bound, at least in part, to the fragmented colloid particles.

Abstract: A cationically polymerizable composite coating composition comprising: a) a condensation product of at least one hydrolyzable silane having a fluorine-containing group, b) at least one cationically polymerizable organic resin, and c) a cationic initiator, provides, upon curing, substrates with an alkali-resistant, liquid-repellent coating. The composite coating composition may be used in pattern forming methods.

Abstract: The invention provides a method for producing an ink jet recording head having a high durability and a high ink resistance and enabling a high-quality image recording by employing a material capable of reducing the internal stress and having satisfactory patterning characteristics. It also provides a method of producing such ink jet recording head with a high precision. A cationically photopolymerizable resin composition containing a condensate of a hydrolysable organosilane compound, employed as a material for forming a flow path forming member, enables a reduction of internal stress and a highly precise pattern in the flow path forming member thereby providing an ink jet recording head having a high durability and a high ink resistance and capable of high-quality printing over a prolonged time, and a producing method therefor.

Abstract: Magnetic particles with an outer glass surface being essentially poreless or having pores of a diameter of less then 10 nm as well as ferromagnetic particles with a glass surface are preferentially useful for the isolation of biological material from samples. They provide a quick and reliable purification.

Abstract: A connector for connecting a dialysate port of a dialyzer with a dialysate-carrying line and a dialyzer. The connector has a recess with a shift element on the end which accommodates the dialyzer port. The shift element is accommodated in the recess and is displaceable between a first position and a second position perpendicular to the direction of the lumen on the first end. The shift element does not pass through the lumen in the first position. In the second position, the lumen is constricted so that the connector with the shift element can be placed on the dialysate port and the connector locked on the dialysate port by means of an undercut thereon.

Abstract: A doctor blade system utilizes a lightweight doctor blade chamber to apply ink to an inking roller. The doctor blade chamber is removably positioned on a support plate which is, in turn, carried by linear guides on pivotable end plates. A rigid box beam is also attached to the end plates and is spaced from the support plate. A plurality of membrane cylinders are mounted on the rigid box beam and engage a surface of the support plate opposite to the surface that supports the doctor blade chamber. Through the application of suitable force, the support plate and its supported doctor blade chamber can be moved, by sliding motion on the linear slides, into uniform engagement with the surface of the ink roller. The system uses pivotable end plates which are supported by exterior plates that are, in turn, pivotably supported by press side frames.

Abstract: A process for the preparation of a cement material for cementing. The process comprises adding to a cement material comprising cement and water a precondensate of at least one hydrolysable organosilane and, optionally, (nanoscale) particles.

Abstract: The invention relates to amphiphilic, nanoscalar particles comprising lipophilic hydrolyzable groups on their surface. The invention also relates to methods for producing amphiphilic, nanoscalar particles and to compositions containing said particles.

Abstract: A binder is described which comprises A) a hydrolysate or heterocondensate of at least one hydrolysable silicon compound and at least one metal, phosphorus or boron compound, the metal being selected from Al, Ge, Sn, Pb, Ti, Mg, Li, V, Nb, Ta, Zr and Hf, B) an organic polymerizable or polycondensable monomer or oligomer and C) a buffer, so that the pH of the buffered binder is in the range from 2 to 7, and optionally a complexing agent, if appropriate, the at least one hydrolysable silicon compound comprising one or more hydrolysable silicon compounds having at least one nonhydrolysable group or oligomers thereof. The binder is suitable for consolidating bulk or loose substrates.

Abstract: A substrate having an anti-adhesive coating thereon. The coating is made from a coating composition comprising solid particles of a release agent different from boron nitride and a binder comprising surface-modified nanoscale solid particles.

Abstract: A process for the preparation of a binder comprising a heterocondensate of (i) a hydrolysable silicon compound having at least one nonhydrolysable organic radical without polymerizable group and (ii) a metal and/or boron compound. The process comprises hydrolyzing (i) with water, adding (ii) to the resultant reaction mixture after the water in the reaction mixture is substantially consumed, and, optionally, adding an organic binder component to the heterocondensate and/or a precursor thereof.