Abstract: A print laminating adhesive composition comprising a selected acrylate terminated photopolymerizable oligomer of the formula: ##STR1## where A is the residue of a diisocyanate selected from the group consisting of diphenylmethane 4,4.sup.1 diisocyanate and 4,4.sup.1 dicyclohexylmethane diisocyanate; X is the residue of polypropylene glycol having a molecular weight of from about 150 to 4000; R is alkyl or hydroxyalkyl of 2 to 10 carbons; R.sup.1 is alkylene of 2 to 3 carbons; and R.sup.2 is hydrogen or methyl.

Abstract: Surfactants for conventional flexible polyurethane foam may be improved by the addition of a minor amount of an organic acid salt.

Abstract: The present invention relates to polyisocyanate mixtures havinga) an average isocyanate functionality of at least 4.1,b) a (cyclo)aliphatically bound isocyanate group content (calculated as NCO, molecular weight =42) of 12.0 to 20.5% by weight,c) a chemically incorporated carboxyl group content (calculated as COOH, molecular weight =45) of 0.01 to 5.0% by weight andd) an ethylene oxide unit content arranged within terminal or lateral polyether chains of 0 to 10% by weight (calculated as C.sub.2 H.sub.4 O, molecular weight =44).The present invention also relates to a process for the preparation of these polyisocyanate mixtures and to their use as cross-linking agents in aqueous coating compositions containing water soluble or dispersible binders or binder components.

Abstract: A water based, solvent free, two component polyurethane-polyurea dispersion containing up to 65% solids. The first component is a polyester-polyol phase and an aqueous amine phase mixture. The polyester-polyol is a combination of modified polyester-polyols, low viscosity polyether or polyester-polyols, chain extending low molecular weight polyols, neutralizing amines and a detergent. It has a solids content of 90-100% and is totally hydroxyl functional with a carboxylic acid number of 10 and 50, an hydroxyl number of 180 and 300, an equivalent weight range of 165 and 365 and a viscosity of 600-1500 cps at 25.degree. C. The amine phase is an combination of neutralizing and chain extending amines having ratios preformulated to provide a balanced chain extending crosslinking reaction in aqueous phase with --NCO reactive groups. The aqueous amine blend has an equivalent weight of 40 to 50 and a solids content of 40-60%.

Abstract: A synthetic polyamide of formula I and its salts ##STR1## in which each R.sub.1 independently is selected from hydrogen, carboxyl, amino or a group of formula .alpha.-A.sub.1 -R.sub.10 (.alpha.)where A, is a bridging group and R.sub.10 is a sterically hindered amine group;each R.sub.2 independently is hydrogen or a group of formula .alpha.A is a bridging group of the formula ##STR2## is 0 or 1; R.sub.3 is hydrogen, C.sub.1-12 alkyl or is a significance of R.sub.10 ;R.sub.5 is hydrogen or C.sub.1-12 alkylR.sub.4 is a significance of R.sub.10 or a group of formula .alpha.; andp is an integer from 5 to 200;with the proviso that the compound of formula I contains 1-400 sterically hindered amine groups.

Abstract: Novel polycyanate compositions containing one or more mesogenic moieties as lateral substituents are disclosed which provide improved processability relative to polycyanates containing one or more mesogenic moieties in the main chain of the molecule. Molecular level ordering of the resulting thermosets is maintained much similar to that found thermosets of polycyanates which have one or more mesogenic moieties in the main chain.

Abstract: Disclosed is an image forming process employing a light-sensitive image forming material and a developing solution. The image forming material comprises a support and either a light-sensitive resin layer containing a pigment or a colorant layer containing a pigment and a light-sensitive resin layer, superposed in order. The process comprises the steps of imagewise exposing the image forming material to light and developing the material by the use of an alkaline developing solution containing at least one of compounds having the following formula (1): ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represents hydrogen, an alkyl group having 1 to 5 carbon atoms which may be substituted or an aryl group which may be substituted, M.sup.1 represents hydrogen, potassium or an ammonium group, Y represents hydrogen or --SO.sub.3 M.sub.2 (in which M.sup.2 represents sodium, potassium or an ammonium group and M.sup.2 may be the same as or different from M.sup.

Abstract: Polyaromatic polyisocyanates are modified by reaction with 0.1 to 10 weight %, preferably 2 to 7 weight % (based on polyisocyanate) of a polyether alcohol of molecular weight 206 to 948, obtainable by the reaction of alkylene oxides with C.sub.6 -C.sub.30, preferably C.sub.8 -C.sub.20, hydrocarbons containing 1 to 3 active H atoms, and are used for the production of rigid polyurethane foamed materials.

Abstract: A method for manufacturing an exposure mask provided with a substrate for transmitting an exposure light and with phase shifters arranged at prescribed intervals on the substrate for shifting the phase of the exposure light transmitted through the substrate by a half wavelength as compared with the phase of the exposure light transmitted through both the substrate and an opening between the phase shifters consists of the steps of preparing a solution containing a phase shifter material, arranging resist layers at the prescribed intervals on the substrate, immersing the substrate with the resist layers in the solution, forming the phase shifters on the substrate between the resist layers by a prescribed thickness by depositing the material of the phase shifter from the solution, and removing the resist layers from the substrate to form the openings.

Abstract: Disclosed herein is a liquid, monoallophanate-containing, monouretidione-containing polyisocyanate composition characterized by having (i) an isocyanate functionality of between 2.8 and 6.5, (ii) a free NCO content of 10% to 47% by weight, (iii) a viscosity of less than 1000 cp (25.degree. C.), and (iv) the presence of monouretidione and monoallophanate groups in a molar ratio of said monouretidione groups to said monoallophanate groups of between about 20:1 and about 1:5. Also disclosed is a process for producing the above compositions, as well as their use, optionally in blocked form in one or two component coating compositions.

Abstract: Polyurethanes and polyesters are described which are the reaction products of an aromatic, aliphatic or cycloaliphatic diisocyanate, or of a diacid or diacid derivative respectively, with a diol containing a pendent UV-absorbing moiety, optionally also with one or more other diols or diamines. These UV-absorbing polycondensates can be applied to the surfaces of substrates by exhaustion methods or by spraying and act to protect polymers and dyes from degradation by UV radiation. They are therefore useful, either alone or in combination with other coating materials, for the treatment of wood, paper, textiles, leather or other surfaces which are exposed to degrading radiation.

Abstract: The invention provides a thermoplastic polyurethane elastomer which contains a blend of polyurethane resins and is suitable for use in the form of tubing. The blend has a tensile strength of more than 7000 psi and an ultimate elongation greater than 200%. The blend contains about 50% to about 80% by weight of an elastomeric polyurethane resin having a hardness in the range of about 60 to 70 Shore D units. The blend additionally contains about 20% to about 50% of a relatively rigid polyurethane resin having a hardness of about 10 units more than the elastomeric resin. The invention also provides methods for using and methods for manufacturing tubing fabricated from the thermoplastic polyurethane elastomer. Preferred extrusion conditions are described.

Abstract: This invention relates to new water-emulsifiable polyester resins, a process for their production and their use as a lacquer row material. These lacquer binders are produced by the reaction of at least one prepolymer A which contains (meth)acryloyl groups and at least one unsaturated water-emulsifiable polyester B with at least one polyisocynate C.

Abstract: A copolymer of a TMI/amino compound 1:1 monoadduct with ethylenically unsaturated comonomers is provided, as well as a process for producing the same. Such copolymers in and of themselves may find use as aminoplast crosslinking agents, or can readily be modified thereto. Curable compositions can be formulated from the crosslinker alone or in combination with polyfunctional active hydrogen compounds, which can be cured to produce crosslinked films and objects.

Abstract: A foamed isocyanate-based polymer containing a filler material, the filler material being present at a level greater than 30% by weight of the polymer and having a specific gravity of less than about 2.0 with the provisio that the filler material is not melamine. A process for producing the a foamed isocyanate-based polymer is also disclosed. The process comprises the steps of: providing a first mixture comprising water, a catalyst and a substantially inert filler material, the filler material being wetted by the water and the catalyst; providing a second mixture comprising an isocyanate and an active hydrogen-containing compound; mixing the first mixture and the second mixture to provide a reaction mixture; allowing the reaction mixture to expand to produce the foamed isocyanate-based polymer.

Abstract: A method for the preparation of flexible polymeric foam by reacting a polyisocyanate component with an isocyanate-reactive component comprising at least 50% by weight of water, the polyisocyanate component comprising at least two polyisocyanate compositions, one of them being a low NCO isocyanate terminated prepolymer and the second being a high NCO polyisocyanate.

Abstract: The present invention provides improved compositions of expanded polytetrafluoroethylene (PTFE) and similar polymers and methods for forming and using such compositions. In its preferred embodiment, the present invention employs a mixture of PTFE and expandable thermoplastic microspheres. Through application of an energy source to the mixture, a coherent three dimensional expansion of PTFE can be achieved. The expanded mixture has many of the same beneficial properties of mechanically expanded PTFE and numerous properties previously unavailable with expanded PTFE products.

Abstract: Polyol compositions comprising a polyol, an insoluble fluorinated compound and a surfactant composition which is the reaction product of a stoichiometric excess of a polyisocyanate and a polyalkylene glycol monoalkyl ether of formula R--A--OH, wherein R is C.sub.1-25 alkyl and A is a polypropylenoxy chain, optionally containing up to 25% polyethylenoxy units, having a total length of from 4 to 39 units.

Abstract: An ultraviolet radiation curable silica coating composition containing (a) acrylic monomers, (b) functionalized colloidal silica, (c) acrylated urethanes, (d) an ultraviolet radiation absorber, and (e) a photoinitiator. The coating composition once applied to and cured on a thermoplastic substrate provides a coating which exhibits improved flexibility and weathering. The coatings are useful for providing abrasion resistance and weatherability to thermoplastic, for example polycarbonate, substrates.

Abstract: Polyaromatic polyisocyanates are modified by reaction with 0.1 to 10 weight %, preferably 2 to 7 weight % (based on polyisocyanate) of a polyether alcohol of molecular weight 206 to 948, obtainable by the reaction of alkylene oxides with C.sub.6 -C.sub.30, preferably C.sub.8 -C.sub.20, hydrocarbons containing 1 to 3 active H atoms, and are used for the production of rigid polyurethane foamed materials.