Abstract: Polyvinyl acetals with a degree of acetalization of 70-84 mol %, and characterized by a molar ratio of the amount of continuous syndiotactic sequences of vinyl alcohol groups with 3 members of at least 0.152, based on the total amount of vinyl alcohol groups in the polyvinyl acetal, have exceptionally low melt flow.

Abstract: Laminated glass suitable as an optical combiner for HUD is obtained by laminating at least one insert A comprising polyvinyl acetal PA and optionally at least one plasticiser WA and at least one film B comprising polyvinyl acetal PB and at least one plasticiser WB between two glass sheets, wherein prior to lamination the amount of plasticiser WB in film B is at least 24% by weight, and insert A has a non-uniform thickness profile over at least one direction of its surface.

Abstract: A fluorescent display suitable for use in a heads up display contains a laminated glass structure containing a plasticized polyvinyl acetal film, at least one fluorophore, and at least one UV absorber, wherein the fluorophore and UV absorber are and remain spatially separated in the laminating film such that UV light projected from a display generating projector remains able to activate the fluorophores, and a UV component of sunlight has lessened ability to activate the fluorophore.

Abstract: Layered structures consisting of at least one film A containing a polyvinyl acetal PA and at most 16% by weight of plasticizer WA and at least one film B containing a polyvinyl acetal PB and at least 16% by weight plasticizer WB between two glass sheets, are produced by adhering at least one film A to at least one film B or at least one of the glass sheets by means of a liquid. The layered structure can then be pressed to form a composite glass laminate.

Abstract: Production of glass laminates containing electrically conductive structures is facilitated by including the electrically conductive structures on a first polyvinyl acetate film with low or no plasticizer content, and employing a second polyvinyl acetal film with a high plasticizer content.

Abstract: Heat shielding glass laminates are produced by laminating transparent panes with at least one film A having a low plasticizer content and a heat shielding coating thereon, and at least one film B having a high plasticizer content.

Abstract: Fluorescent displays are manufactured by lamination of at least one film A containing a polyvinyl acetal PA and, optionally, a plasticizer WA and at least one film B containing a polyvinyl acetal PB and at least one plasticizer WB between two glass panes, wherein prior to lamination, film A contains less than 22 wt. % plasticizer WA and contains 0.001 to 5 wt. % fluorophores, and film B contains at least 22 wt. % plasticizer WB and contains 0.005-5 wt. % UV absorber, each before lamination.

Abstract: Laminated glass consists of two glass sheets interlayered with at least one film A containing a polyvinyl acetal PA and optionally at least one plasticiser WA, at least one film B containing a polyvinyl acetal PB and at least one plasticiser WB and polymer film C, wherein film A comprises less than 16% by weight of plasticiser WA, film B comprises at least 16% by weight of plasticiser WB, film C comprises polyamide, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyvinyl alcohol (PVA), polylactic acid (PLA), cellulose acetate or ionomers, and wherein film C is located between film A and film B.

Abstract: Polyvinyl acetal films with less blocking tendency and which allow for escape of gas during laminating to form laminated composities are prepared by a process for embossing a film comprising plasticized polyvinyl acetal with a roughness Rz on at least one surfaces of 20 to 100 ?m by the steps of a. extruding of plasticised polyvinyl acetal to a film with a stochastic roughness of the surfaces of Rz=1 to 70 ?m, b. embossing at least one surface of the film obtained in step a) with channels having a depth of 5-50 ?m, a width of 10-200 ?m and a pitch of 50-2500 ?m, wherein c. the surface roughness of the elevations between the channels is at most 20% lower as obtained in step a).

Abstract: A baking appliance includes a heatable baking chamber and a door that closes the baking chamber. The door includes an inner pane facing the baking chamber when the door is closed and an outer pane facing outward when the door is closed. At least one holding element is configured to arrange the inner pane and outer pane so as to form at least one ventilation channel between the inner pane and outer pane. At least one cooling element is associated with the at least one holding element and extends into the at least one ventilation channel.

Abstract: A chopper disc for a device for the processing of neutron beams is made of carbon fibers and has a concentric, hollow cylindrical recess for receiving a hub for connection to a pivot bearing. The chopper disc also includes a concentric absorber area for absorbing neutrons striking the chopper disc and at least one window in the absorber area through which neutrons of the neutron beam can pass. The carbon fibers extend from the outer periphery of the chopper disc radially in the direction of the recess and contact the recess tangentially.

Abstract: A plasticizer-containing film of polyvinyl acetal having a softening temperature Tg of less than 74° C. contains at least one cyclohexane dicarboxylic acid ester as a plasticizer. The plasticizer-containing films have a low tendency for sweating of the plasticizer, and are useful in producing laminate safety glasses and photovoltaic modules.

Abstract: Polyvinylacetal films exhibiting high UV absorbance, freedom from cloudiness, and low tendency for UV stabilizer migration use, as a UV absorber, one or more UV absorbers of the formulae (1a), (1b), (2) or (3) in films formed from plasticizer-containing polyvinyl acetal

Abstract: A heat-shielding laminated glass laminate contains at least one film A containing a polyvinyl acetal PA and optionally at least one plasticiser WA, and at least one film B containing a polyvinyl acetal PB and at least one plasticiser WB, positioned between two glass sheets, wherein prior to lamination: a proportion of plasticiser WA of less than 16% by weight is dispersed in film A, a proportion of plasticiser WB of at least 16% by weight is dispersed in film B, and heat-shielding particles are dispersed in film A.

Abstract: The invention is directed to a process for extrusion of mixtures comprising at least one polyvinyl acetal, at least one plasticiser and least one earth alkaline salt of a carboxylic acid, wherein 0.001%-1 wt. % (based on the combined weight of PVB resin and plasticizer) of at least one organic acid having 4 to 30 carbon atoms is added to the mixture.

Abstract: Penetration resistant laminated glass is obtained by laminating at least one film A containing a polyvinyl acetal PA and optionally at least one plasticiser WA and at least one film B containing a polyvinyl acetal PB and at least one plasticiser WB between two glass sheets, where prior to lamination, the amount of plasticiser WA in film A is less than 16% by weight, the amount of plasticiser WB in film B is at least 16% by weight, and film A comprises at least 7 ppm alkali ions.

Abstract: Production of glass laminates containing electrically conductive structures is facilitated by including the electrically conductive structures on a first polyvinyl acetate film with low or no plasticizer content, and employing a second polyvinyl acetal film with a high plasticizer content.

Abstract: Heat shielding glass laminates are produced by laminating transparent panes with at least one film A having a low plasticizer content and a heat shielding coating thereon, and at least one film B having a high plasticizer content.

Abstract: A kitchen range is provided, including a chassis and having a cooktop accessible at least from a front face of the chassis with at least one cooking place and with a cooking chamber heated by way of a gas heating source, and with an exhaust pipe for guiding the exhaust gas of the gas heating source to a gas outlet, wherein a cooling device surrounds the exhaust pipe and wherein the gas outlet is provided in a back region of the chassis at a guard unit disposed at the chassis. The guard unit includes a front guard wall oriented toward the front face of the chassis and a back guard wall oriented toward the back region of the chassis. The guard unit extends upwardly beyond the cooktop and the gas outlet is disposed at the guard wall of the guard unit oriented forwardly in the direction of the cooktop.

Abstract: A fluorescent display suitable for use in a heads up display contains a laminated glass structure containing a plasticized polyvinyl acetal film, at least one fluorophore, and at least one UV absorber, wherein the fluorophore and UV absorber are and remain spatially separated in the laminating film such that UV light projected from a display generating projector remains able to activate the fluorophores, and a UV component of sunlight has lessened ability to activate the fluorophore.