Abstract: The invention relates to a composition comprising:(a) about 5 to 95 weight percent of a vinyl chloride copolymer; and(b) about 5 to about 95 weight percent of a polymer selected from the group consisting of polyurethane and polyurethane urea, said polymer having at least one pendant heterocyclic group, wherein said polymer has a heterocyclic group equivalent weight of from about 500 to about 100,000, and wherein said heterocyclic group is derived from a compound selected from the group consisting of ##STR1## tautomers thereof, and mixtures thereof, wherein said heterocyclic group is formed by reacting said heterocyclic compound into said polymer; wherein said weight percentages are based upon the total weight of said composition.

Abstract: The invention relates to vinyl sulfonated and non-sulfonated hydroxy functional polyurethane copolymers prepared from macromonomer diols and their use in magnetic recording media. The sulfonated hydroxy functional copolymer comprises: a polyurethane backbone; at least one SO.sub.3 M group pendant from the polyurethane backbone, wherein the polyurethane backbone has an SO.sub.3 M equivalent weight of from about 2,000 to about 100,000, and wherein M is selected from the group consisting of H.sup.+, NR.sub.4.sup.+ wherein R can be H.sup.+ or an alkyl group, Li.sup.+, Na.sup.+, K.sup.+, and mixtures thereof; at least two crosslinkable hydroxy groups pendant from the polyurethane backbone, wherein the polyurethane backbone has a hydroxy equivalent weight of from about 500 to about 50,000; and at least one vinyl polymeric segment pendant from the polyurethane backbone.

Abstract: The present invention relates to an iniferter compound of the formula I(T).sub.n wherein I represents the free radical initiator portion of the iniferter compound and wherein I comprises a hydroxy-functional polyurethane polymer which comprises: (i) a polyurethane backbone; (ii) a plurality of cross-linkable hydroxy groups pendant from the polyurethane backbone, wherein the polyurethane backbone has a hydroxy equivalent weight of from about 500 to about 10,000; (iii) at least n organic groups X which can be the same or different pendant from the polyurethane backbone wherein each organic group X is also bonded to a T group; T represents the terminator portion of the iniferter; and n is an integer of at least 1; wherein T and X are organic groups selected so that the T--X bond is capable of dissociating upon being subjected to an appropriate energy source of forming a terminator free radical of the formula nT.multidot. and an initiator free radical of the formula I(.multidot.).sub.n .

Abstract: The present invention relates to polymeric microspheres comprised of short-chain diol diacrylate homopolymers or copolymers of diol diacrylates and long-chain acrylate esters, which exhibit excellent antifriction characteristics when applied on the surface of plastic sheets. Treated sheets exhibit a significantly lower coefficient of friction than sheets treated with commercially-available microspheres.

Abstract: The invention provides a silicone composition which is rapidly, completely, and reliably radiation curable to an elastomer comprising an organopolysiloxane polymer having terminal groups which contain ethylenic unsaturation and in addition possess both hydrogen bond donor and acceptor capabilities. The invention also provides a composition which is curable to a pressure sensitive adhesive comprising the above polymer and a sufficient amount of tackifier. The invention also relates to silicone macromonomers additives for varying the properties of the composition. The invention further relates to fluorosilane compounds useful in the preparation of silicone macromonomers, their preparation and the preparation of silicone macromonomers.

Abstract: Iniferter prepared release coating compositions comprising vinyl-siloxane block copolymer and blends thereof with other polymeric materials on sheet materials and the backside of adhesive tapes are provided. Controlled and predictable release is obtained through variation of the molecular weight and weight percent of the siloxane block as well as the molecular weight and composition of the vinyl block or blocks.

Abstract: A water-borne low adhesion backsize and release coating latex composition comprising: (a) about 5 to about 70 weight percent of a polymer comprising polymerized free radically polymerizable monomer of the formula C.sub.n H.sub.2n+1 --P--C.sub.m H.sub.2m --X--CR.sup.1 .dbd.CH.sub.2 wherein n is an integer of about 12 to about 20, P is a divalent polar linking group, X is a divalent linking group selected from the group consisting of ##STR1## m is an integer of about 2 to about 10, and R.sup.1 is selected from the group consisting of --H and --CH.sub.3, (b) about 30 to about 95 weight percent of an aqueous phase, and (c) about 0.05 to about 4 weight percent of an emulsifier, wherein particles of the polymer are stabilized by the emulsifier and dispersed within the aqueous phase. A method of making the latex and sheet materials coated therewith.

Abstract: The invention relates to a sulfonated, thiol, and hydroxy-functional polyurethane polymer which comprises: (i) a polyurethane backbone; (ii) at least one SO.sub.3 M group pendant from the polyurethane backbone, wherein the polyurethane backbone has an SO.sub.3 M equivalent weight of from about 2,000 to about 100,000, and wherein M is selected from the group consisting of H.sup.+, NR.sub.4.sup.+ wherein R can be H.sup.+ or an alkyl group, Li.sup.+, Na.sup.+, K.sup.+, and mixtures thereof; (iii) at least two crosslinkable hydroxy groups pendant from the polyurethane backbone, wherein the polyurethane backbone has a hydroxy equivalent weight of from about 500 to about 50,000; and (iv) at least one --SD group pendant from the polyurethane backbone. The invention also relates to vinyl/polyurethane copolymers made therewith which are particularly useful as binders in magnetic recording media and a method of making the copolymers.

Abstract: A repositionable pressure-sensitive adhesive comprising from about 70% to about 99% solid, polymeric, acrylate, inherently tacky, infusible, solvent-insoluble, solvent-dispersible, elastomeric microspheres comprising at least one alkyl acrylate or alkyl methacrylate ester; and at least one polar monomer, and correspondingly, from about 30% to about 1% of a binder copolymer comprising an elastomeric polymeric backbone having pendant therefrom high Tg polymeric moieties.

Abstract: Block copolymers having a repeating unit comprised of polysiloxane and urea segments are prepared by copolymerizing certain diaminopolysiloxanes with diisocyanates. The invention also provides novel diaminopolysiloxanes useful as precursors in the preparation of the block copolymers and a method of making such diaminopolysiloxanes. Pressure sensitive adhesive compositions comprising the block copolymer are also provided as are sheet materials coated with the same.

Abstract: A method of preparing vinyl-silicone copolymers which involves the use of a mercapto-functional silicone compound as a macromolecular chain transfer agent. Release coatings and low adhesion backsizes comprising the vinyl-silicone copolymers.

Abstract: The present invention provides novel siloxane iniferter compounds, block copolymers made therewith, and a method of making the block copolymers. The siloxane iniferter compounds can be represented by the formula ##STR1## wherein T and X are organic groups selected so that the T-X bond is capable of dissociating upon being subjected to an appropriate energy source to form a terminator free radical of the formula T.multidot. and an initiator free radical;R.sub.1, R.sub.2, R.sub.5 and R.sub.6 are monovalent moieties selected from the group consisting of hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy and aryl which can be the same or are different;R.sub.3 and R.sub.4 are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, C.sub.1-4 alkyl, C.sub.

Abstract: The invention relates to a dry cleaning solvent resistant hydrophilic urethane polymer having about 0.5 to 10 weight percent of a hindered phenolic antioxidant reacted into its structure. The invention also relates to a dry cleaning solvent resistant waterproof, moisture-vapor permeable material such as a laminate or a unitary sheet material. The unitary sheet material comprises a microporous polymeric matrix having pores comprising continuous passages extending through its thickness and opening into the opposite surfaces thereof, the passages being sufficiently filled with a moisture-vapor permeable, water-impermeable, hydrophilic material which comprises the polymer having the antioxidant reacted into its structure which prevents the passage of water and other liquids through the unitary sheet material while readily permitting moisture vapor transmission therethrough rendering the sheet material breathable.

Abstract: The invention relates to a sulfonated, thiol, and hydroxy-functional polyurethane polymer which comprises: (i) a polyurethane backbone; (ii) at least one SO.sub.3 M group pendant from the polyurethane backbone, wherein the polyurethane backbone has an SO.sub.3 M equivalent weight of from about 2,000 to about 100,000, and wherein M is selected from the group consisting of H.sup.+, NR.sub.4.sup.+ wherein R can be H.sup.+ or an alkyl group, Li.sup.+, Na.sup.+, K.sup.+, and mixtures thereof; (iii) at least two crosslinkable hydroxy groups pendant from the polyurethane backbone, wherein the polyurethane backbone has a hydroxy equivalent weight of from about 500 to about 50,000; and (iv) at least one --SH group pendant from the polyurethane backbone. The invention also relates to vinyl/polyurethane copolymers made therewith which are particularly useful as binders in magnetic recording media and a method of making the copolymers.

Abstract: The present invention relates to an inferter compound of the formula I(T).sub.n wherein I represents the free radical initiator portion of the iniferter compound and wherein I comprises a hydroxy-functional polyurethane polymer which comprises: (i) a polyurethane backbone; (ii) a plurality of cross-linkable hydroxy groups pendant from the polyurethane backbone, wherein the polyurethane backbone has a hydroxy equivalent weight of from about 500 to about 10,000; (iii) at least n organic groups X which can be the same or different pendant from the polyurethane backbone wherein each organic group X is also bonded to a T group; T represents the terminator portion of the iniferter; and n is an integer of at least 1; wherein T and X are organic groups selected so that the T-X bond is capable of dissociating upon being subjected to an appropriate energy source of forming a terminator free radical of the formula nT. and an initiator free radical of the formula I(.).sub.n.

Abstract: A repositionable pressure-sensitive adhesive comprising from about 70% to about 99% solid, polymeric, acrylate, inherently tacky, infusible, solvent-insoluble, solvent-dispersible, elastomeric microspheres comprising at least one alkyl acrylate or alkyl methacrylate ester; and at least one polar monomer, and correspondingly, from about 30% to about 1% of a binder copolymer comprising an elastomeric polymeric backbone having pendant therefrom high Tg polymeric moieties.

Abstract: The invention relates to an accelerated photoiniferter polymerization method which involves the addition of a polymerization accelerating amount of a at least one metal compound accelerator during the photoiniferter polymerization process.Preferably, the metal compound or compounds used are represented by the general formula M.sub.x L.sub.z whereinM is a cation having a valency of z of a metal which is selected from the group consisting of tin, zinc, cobalt, titanium, palladium, and lead;x is an integer of at least 1;L is an anion having a valency of x which is selected from the group consisting of C.sub.1-20 alkyl, -aryl, --OR, ##STR1## NO.sub.3.sup.--, SO.sub.4.sup..dbd., and PO.sub.4.sup.-3 ; R is selected from the group consisting C.sub.1-20 alkyl and aryl; andz is an integer of at least 1.Most preferably, the metal compound is selected from the group consisting of stannous 2-ethylhexanoate, zinc 2-ethylhexanoate and mixtures thereof.

Abstract: A composition which is curable to an elastomer comprising:A polymer or mixture of polymers of the formula ##STR1## wherein: X are monovalent moieties having ethylenic unsaturation which can be the same or different;Y are divalent linking groups which can be the same or different;m is an integer of 0 to 1;D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl;R are divalent hydrocarbon groups which can be the same or different;R.sup.1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl;R.sup.2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl;R.sup.

Abstract: Iniferter prepared release coating compositions comprising vinyl-siloxane block copolymer and blends thereof with other polymeric materials on sheet materials and the backside of adhesive tapes are provided. Controlled and predictable release is obtained through variation of the molecular weight and weight percent of the siloxane block as well as the molecular weight and composition of the vinyl block or blocks.

Abstract: The invention relates to heterocyclic functional polyurethane polymers and their use in magnetic recording media. The polymer is selected from the group consisting of polyurethane and polyurethane urea wherein the polymer has a heterocyclic group equivalent weight of from about 500 to about 100,000 and wherein the heterocyclic group is derived from compounds selected from the group consisting of ##STR1## tautomers thereof, and mixtures thereof, wherein the heterocyclic group is formed by reacting said heterocyclic compound into said polymer.