Patent application number | Description | Published |
20100028642 | Multilayer Films Or Plasticizer-Containing Polyvinyl Acetal With Sound-Absorbing Properties - An interlayer film for laminated glass with sound-absorbing properties contains at least two individual films, wherein the first individual film comprises a polyvinyl acetal with a portion of polyvinyl acetate groups of 0.1 to 11 mol % and a second individual film comprises a polyvinyl acetal with a portion of polyvinyl acetate groups of between 5 and 8 mol %. | 02-04-2010 |
20100124647 | INTERLAYER FILMS FOR LAMINATED GLAZING CONTAINING SILICA WITH SPECIFIC REFRACTIVE INDEX - Interlayer films useful for laminated glass contain a polyvinyl acetal (A), at least on plasticizer (B), fumed silica (C) and at least one basic compound (D), wherein the difference of refractive index between fumed silica (C) and plasticized polyvinyl acetal (A+B) is 0.015 or less, and the weight ratio of C/(A+B) is 2.7-60/100. | 05-20-2010 |
20100193023 | PHOTOVOLTAIC MODULES COMPRISING PLASTICIZED FILMS BASED ON POLYVINYL ACETAL HAVING A HIGH SPECIFIC RESISTANCE - Plasticizer-containing films based on polyvinyl acetal having a glass transition temperature Tg of at least 20° C. are useful for the production of photovoltaic modules. The films preferably have a plasticizer content of a maximum of | 08-05-2010 |
20100193024 | PHOTOVOLTAIC MODULES COMPRISING PLASTICIZED FILMS HAVING A LOW MOISTURE ABSORPTION - Plasticizer-containing films based on polyvinyl acetals having a polyvinyl alcohol content of less than 20% by weight for the production of photovoltaic modules exhibit less water absorption at the edges of the modules. The films preferably have a glass transition temperature Tg of at least 20° C. and/or a plasticizer content of a maximum of 26% by weight. | 08-05-2010 |
20100206374 | PLASTICIZED FILMS BASED ON POLYVINYL ACETAL HAVING AN INCREASED GLASS TRANSITION TEMPERATUARE AND IMPROVED FLOW PROPERTIES - Plasticizer-containing films of polyvinyl acetal having a plasticizer content of a maximum of 26% by weight and containing a mixture of at least one high-viscosity polyvinyl acetal having a viscosity of 40-300 mPas and at least one low-viscosity polyvinyl acetal having a viscosity of 5-500 mPas are suitable for the production of photovoltaic modules. | 08-19-2010 |
20100275980 | PHOTOVOLTAIC MODULES HAVING REFLECTIVE ADHESIVE FILMS - Photovoltaic modules with increased performance are obtained by positioning a reflective polyvinyl adhesive film below the photosensitive layer, this adhesive layer containing a plasticizer of low polarity expressed by 100×O/(C+H)≦9.4. | 11-04-2010 |
20100307585 | PHOTOVOLTAIC MODULES WITH FILMS CONTAINING PLASTICISERS HAVING LOW TENDENCY TO CREEP - The invention relates to the use of films containing plasticiser and based on polyvinyl acetal with a polyvinyl alcohol content in the polyvinyl acetal of less than 18% by weight and low creep tendency to produce photovoltaic modules. | 12-09-2010 |
20110056555 | Photovoltaic Modules Containing Plasticized Intermediate Layer Films With High Volume Resistivity and Good Penetration Resistance - Plasticizer-containing films based on polyvinyl acetal and comprising more than 10 ppm of metal ions selected from the group of alkaline earth metals, zinc and aluminum and less than as 150 ppm of alkali metal ions are used for the production of photovoltaic modules. The films preferably exhibit an electrical volume resistivity of more than 1E11 ohm·cm in an ambient of 85% RH/23° C. The photovoltaic modules may be used as facade elements, roof surfaces, winter garden coverings, sound-insulating walls, balcony or balustrade elements, or as components of window surfaces. | 03-10-2011 |
20110061714 | Polyvinyl Acetal Films Containing Cyclohexane-1,2-Dicarboxylic Acid Esters As A Plasticizer - 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. | 03-17-2011 |
20110186042 | Mirror For Solar Thermal Power Plants, Comprising Plasticizer-Containing Polyvinyl Acetal Films - plasticizer-containing films based on polyvinyl acetal where the polyvinyl alcohol content of the polyvinyl acetal is less than 20 wt % are useful for production of mirrors for solar thermal power plants which exhibit low creep of the adhesive layer, and low corrosion of the specular surface. | 08-04-2011 |
20110303279 | Photovoltaic Modules With Reflective Adhesive Films Having Low Susceptibility To Discolouration - Photovoltaic modules are constructed from a laminate consisting of
| 12-15-2011 |
20120067404 | PHOTOVOLTAIC MODULE COMPRISING PLASTICIZED INTERMEDIATE LAYER FILMS HAVING HIGH RADIATION TRANSMISSION - The invention relates to the use of plasticiser-containing, polyvinyl acetal-based films that have a UV transmission of more than 35% to manufacture photovoltaic modules. | 03-22-2012 |
20120225287 | Composite Glazing Having Films Containing Softening Agents Having Low Tendency To Creep - Composite glass laminates having low tendency to creep contain a softening agent-containing polyvinyl acetal film wherein the polyvinyl acetal has a polyvinyl alcohol content of 12 to 16 weight percent, a molecular weight greater than 110,000 g/mol, and a solution viscosity of more than 80 mPas. | 09-06-2012 |
20130022824 | High-Strength Film Laminates Having Layers Of Plasticizer-Containing Polyvinyl (N)Acetal and Plasticizer-Containing Polyvinyl (Iso)Acetal - The invention relates to film laminates, formed from at least three layers A, B and C, each layer containing at least one plasticizer and at least one polyvinyl acetal, wherein, at least one of the layers A, B or C contains at least one polyvinyl (iso)acetal having a mean degree of polymerisation of less than 3000, 10 to 25% by weight of polyvinyl alcohol groups and a proportion 50 to 80% by weight of polyvinyl (iso)acetal groups, and wherein layer B has a plasticizer content of less than 32% by weight. The film laminates can be used for the production of glass/film laminate/glass composites for motor vehicles, aircraft, ships, architectural glazings, façade components, or for the production of photovoltaic modules. | 01-24-2013 |
20130022825 | Films Made Of Plasticizer-Containing Polyvinyl (Iso)Acetal - A film contains a mixture of at least one non-aromatic plasticizer having a polarity, expressed by the formula 100×O/(C+H), of less than/equal to 9.4 wherein O, C and H represent the number of oxygen, carbon and hydrogen atoms in the respective molecule, and a polyvinyl (iso)acetal having a proportion of polyvinyl (iso)acetal groups of 60 to 85% by weight and a proportion of polyvinyl alcohol groups of 14 to 40% by weight. The films may be used in the automotive industry, in windscreens, in the field of architecture, in façade components, or for the production of photovoltaic modules. | 01-24-2013 |
20130123399 | PVB FILM COMPRISING PHENOLIC ANTIOXIDANTS HAVING THE PARTIAL STRUCTURE 3-T-BUTYL-4-HYDROXY-5-METHYLPHENYL PROPRIONATE - The invention relates to thermoplastic mixtures or to films produced therefrom, containing at least one polyvinyl acetal and at least one plasticiser, characterised by the addition of 0.001 to 1% by weight of at least one compound according to formula 1, where R=a hydrocarbon radical of a polyfunctional alcohol, oligoglycols comprising 1 to 10 glycol units or a hydrocarbon radical comprising 1 to 20 carbon atoms, and X=1, 2, 3 or 4 as a stabiliser. | 05-16-2013 |
20130189527 | Film Laminates Having Damping Properties Containing A Sub-Layer Made of Plasticizer-Containing Polyvinyl (Iso)Acetal - Film laminates are formed from at least three layers A, B and C, each containing at least one plasticizer and at least one polyvinyl acetal, wherein two outer layers A and C each contain at least one identical or different polyvinyl acetal having a proportion of polyvinyl alcohol groups of 18.5 to 23% by weight, at least one inner layer B contains a polyvinyl acetal having a proportion of polyvinyl alcohol groups of 12 to 18% by weight, and at least one of the layers A, B or C contains at least one polyvinyl (iso)acetal. The film laminates can be used for the production of glass/film laminate/glass composites for motor vehicles, aircraft, ships, architectural glazings, façade components, or for the production of photovoltaic modules. | 07-25-2013 |
20140110039 | PVB FILM WITH HIGH UV PROTECTION AND LOW YELLOWNESS INDEX FOR LAMINATED SAFETY GLAZINGS - The invention relates to a plasticizer-containing polyvinyl acetal film which has a transmission of less than 20% and a yellowness index db of less than 3 at 400 nm, containing at least one UV absorber of formula | 04-24-2014 |