Abstract: Hybrid curable compositions comprising components curable by condensation and components curable by the free radical initiated polymerization. The components curable by condensation reaction comprise amino resins and co-reactants, the condensation reaction being optionally catalyzed by acid catalysts. The components curable by free radical initiated polymerization comprise acryloyl compounds.

Abstract: Ethylenically unsaturated carbamates prepared by addition of unsaturated isocyanates to the hydroxy groups of styrene allyl alcohol copolymers are formulated with allylic monomers and unsaturated co-reactants selected from (meth)-acryloyl monomers and oligomers, maleates and fumarates to provide air-dry-and heat-curable coating compositions.

Abstract: Polyvinyl butyral resin containing a modification-promoting amount of up to about 15 mole % ionomeric groups which are preferably the metal sulfonate salt of an aldehyde chemically combined with oxygen atoms of adjacent precursor vinyl alcohol groups. Such resin is prepared from a precursor PVOH containing chemically bound ionic acid groups.

Abstract: A sheet formed of a polyblend comprising, on a weight basis, a) 30 to 90% polyvinyl butyral containing about 11 to 30% hydroxyl groups and b) 70 to 10% thermoplastic polyurethane which is the reaction product of:(i) polyether polyol or a mixture of polyether polyol and polyester polyol; and(ii) aliphatic diisocyanate, aromatic diisocyanate or a mixture of aliphatic and aromatic diisocyanates;the combined percentages of a) plus b) in the polyblend always equaling 100%; such sheet at 0.76 mm thickness having no greater than 2% haze.

Abstract: Ethylenically unsaturated carbamates prepared by addition of unsaturated isocyanates to the hydroxy groups of polyvinyl acetals are formulated with allylic monomers and optionally unsaturated co-reactants selected from (meth)-acryloyl monomers and oligomers, maleates and fumarates to provide air-dry- and heat-curable coating compositions.

Abstract: A flexible, draw-formed laminate for a safety glazing comprising a transparent, thermoplastic carrier film which is shrink-stable during laminating formation of such safety glazing bonded to at least one layer of plasticized polyvinyl butyral, such film having a greater tensile modulus than that of the layer of plasticized polyvinyl butyral. The carrier film is preferably flexible polyester such as polyethylene terephthalate having one or more functional performance coatings or layers on its surface such as a multi-layered solar radiation control stack.

Abstract: Metal drier moderated to provide compositions of extended pot life by at least one molybdenum compound. Coating compositions of free radical polymerizable compounds and moderated metal drier exhibit lower propensity to yellowing when they are cured.

Abstract: A composition of matter and an interlayer formed of such composition for a laminated glazing comprising polyvinyl butyral resin plasticized with a mixed adipate or a mixture of pure and mixed adipates made from: (a) at least one C.sub.4 to C.sub.9, preferably C.sub.6, alkyl alcohol and (b) at least one cyclo (C.sub.4 to C.sub.10), preferably C.sub.6, alcohol wherein the proportions of (a) and (b) in parts by weight per 100 parts (a) and (b) are: (a) 10-90, preferably 30-80 and (b) 90-10, preferably 70-20.

Abstract: A composition of matter and an interlayer formed of such composition for a laminated glazing comprising polyvinyl butyral resin plasticized with a mixed adipate or a mixture of pure and mixed adipates made from: (a) at least one C.sub.4 to C.sub.9, preferably C.sub.6, alkyl alcohol and (b) at least one cyclo (C.sub.4 to C.sub.10), preferably C.sub.6, alcohol wherein the proportions of (a) and (b) in parts by weight per 100 parts of (a) and (b) are: (a) 10-90, preferably 30-80 and (b) 90-10, preferably 70-20.

Abstract: Coating compositions comprising a free radical polymerizable compound, a fatty acid metal drier and a fugitive inhibitor of the metal drier comprising a compound selected from the group consisting of fluoro .beta.-diketones and fluoro .beta.-ketoesters. Upon application of the coating composition as a film to a substrate, the fugitive inhibitor is allowed to volatilize and the metal drier catalyzes the free-radical polymerization of the free radical polymerizable compound.

Abstract: A process for increasing both resistance to blocking and flow during laminating of plasticized polyvinyl butyral sheet which comprises incorporating into the formulation of the sheet a block-reducing and flow-promoting amount, preferably up to about 10 mole %, of ionomeric groups chemically bound to oxygen atoms of adjacent precursor vinyl alcohol groups.

Abstract: Plasticized polyvinyl butyral sheet containing a modification-producing amount of ionomeric groups which are preferably the metal sulfonate salt of an aldehyde chemically combined with oxygen atoms of adjacent precursor vinyl alcohol groups.

Abstract: Disclosed herein are nitrile polymers which are stabilized against color degradation caused by ionizing radiation by the addition of a stabilizing agent comprising a combination of selected sulfur containing compounds as stabilizers and sulfur containing plasticizers.

Abstract: An optical element for a motor vehicle windshield comprises, in combination, an interference filter having one or more light-reflecting metal layers and one or more reflection-suppressing layers for coacting with the one or more metal layers to minimize reflection and enhance transmission in the visible region, a gradient band continuation of the interference filter above the direct line of forward vision through a windshield when disposed in a motor vehicle for reflective rejection of infra-red solar energy, such band including a light-reflecting metal layer gradually increasing in thickness toward a lateral edge of the band, a transparent substrate supporting such filter and gradient band and plural bus bars substantially parallel to the lateral edge of the gradient band in electrical contact with the metal layers of the interference filter and the gradient band continuation.

Abstract: A laminated window construction includes a solar control film formed by a flexible plastic substrate such as a PET sheet having on one surface a multilayer solar coating. This multilayer solor coating includes at least one thin layer of metal and at least one adjacent adherent layer of a dielectric material. An energy absorbing safety film of the type normally used in shatterproof glass laminates (e.g., plasticized PVB) is bonded to at least one side, and preferably both sides, of the solar control film to form a composite solar/safety film. This composite solar/safety film is specially designed to contribute, after incorporation into a glass laminate, no more than about two percent of visible reflection (based on total incident visible radiation) which has the effect of substantially masking the visible effects of wrinkles in the solar control film substrate (i.e., the wrinkles are made less visible).

Abstract: In a process for preparation of polyvinyl butyral sheet by blending polyvinyl butyral with plasticizer and extruding the blend to form the sheet, the step in combination therewith of including in the blend a modification-promoting amount, preferably up to about 10 mole % based on polyvinyl butyral, of ionomeric groups chemically bound to polyvinyl butyral forming the sheet.

Abstract: A method of producing ionomeric polyvinyl butyral by the steps of (a) condensing polyvinyl alcohol with an aldehyde containing an acid group in the presence of a catalyst; (b) acetalizing the reaction product of step (a) in situ with butyraldehyde to form polyvinyl butyral and (c) neutralizing the reaction product of step (b) to form ionomeric polyvinyl butyral.

Abstract: A polyblend comprising first and second polyvinyl butyral components admixed with plasticizer, one of the components present in minor amount (preferably 10 to 30 weight %) containing chemically bound ionomeric groups which are preferably the metal salt of an aldehyde.

Abstract: A polymeric laminate for use with a glass layer in a laminated bilayer or anti-lacerative shield application comprises a first layer of moisture tolerant plasticized polyvinyl butyral containing (a) adhesion control agent(s) and (b) residual hydroxyl content which optimize glass adhesion and optical performance over a range of moisture contents in the first layer likely to be encountered in use, i.e. 0.2 to 0.5 weight % and 2 to 2.8 weight %, such first layer being in face to face contact with a second layer of a clear polymer film or coating having a combination of performance properties desirable for these applications. Preferred second layers are biaxially stretched polyester and thermoset aliphatic polyurethane.

Abstract: Polyvinyl butyral (PVB) resin lightly cross-linked through intermolecular linkages developed through increase PVB molecular weight and the modulus of a plasticized sheet formed therefrom intended for use in laminated safety glass assemblies.