Abstract: The invention is a copolymer P, dispersant for dyes and/or pigments in standard plastic substances SK, wherein P exhibits a universal compatibility with standard plastics SK, with the feature that copolymer P is synthesized from monomer units:(m1) methyl methacrylate,(m2) (meth)acrylate of formula I: ##STR1## (m3) (meth)acryl compound of formula II: ##STR2## and optionally (m4) methacrylate of formula III: ##STR3##

Abstract: The present invention relates to a dye transfer inhibiting detergent composition comprisinga) 0.0001% to 10% by weight of a dye transfer inhibitor having a ratio of amine to amine N-oxide of from about 2:3 to about 1:1,000,000 selected from the group consisting of poly(2-vinylpyridine-N-oxide), poly-2-(dimethylamino)-ethylmethacrylate-N-oxide and poly-1-vinylimidazole-N-oxide; andb) a detersive effective amount of a surfactant; andc) a detersive effective amount of a builder.

Abstract: The initiating system for the anionic polymerization of acrylic monomers, and where necessary, vinyl comonomers, including at least one R-M initiator in which M=a metal chosen from among the alkaline and alcaline earth metals and R=an alkyl with a linear or branched chain at C.sub.2 -C.sub.6 or aryl or arylalkyl, is characterized by the fact that the polymerization takes place in the presence also of at least one R.sub.1 OM.sub.1 alkaline metal alcoholate, in which R=an alkyl with a linear or branched chain at C.sub.1 -C.sub.6 or aryl or aryalkyl and M.sub.1 =an alkaline metal, on condition that when M.sub.1 is lithium, then R=an aryl or arylalkyl. Said process for the polymerization of primary, secondary, or tertiary alkyl acrylates, and possibly of vinyl comonomers, is characterized by the fact that the polymerization takes place in the presence of an initiating system as described above.

Abstract: The present invention relates to water or alcohol soluble or dispersible silicone grafted thermoplastic elastomeric copolymers and to cosmetic and pharmaceutical compositions containing these copolymers. This invention especially relates to copolymers useful for hair styling purposes, and to hair styling compositions containing these copolymers. This invention further relates to copolymers useful for providing cosmetic and pharmaceutical compositions for topical application to the skin. These topical skin care compositions are useful for delivering and/or transdermally transporting active ingredients to or through the skin.

Abstract: Cationic thickener prepared by polymerizing a monomer composition comprising 15 to 85% by weight of at least one of acrylic monomer having an amino group and methacrylic monomer having an amino group, 20 to 80% by weight of vinyl monomer, 1 to 20% by weight of monomer having at least one of acryloyl group and methacryloyl group and 0.1 to 20% by weight of crosslinkable vinyl monomer, and a process for preparing the same. This cationic thickener contains little impurities, and can be easily mixed with a cationic polymer for setting, and forms a flexible film after drying.

Abstract: Described are anion-exchange materials having extraordinarily high affinity for plutonium anions such as plutonium (IV), and technetium anions such as pertechnetate. Preferred inventive resins are highly divinylbenzene cross-linked polyvinylpyridine resins exhibiting a macroreticular bead form, which have been quaternized to contain a substantial amount of 1-alkyl-pyridinium groups wherein the alkyl group has 4 to 8 carbon atoms. The inventive resins can be used in preferred processes for recovering plutonium and/or technetium anions from aqueous mediums, for example nuclear waste streams or groundwater related to civilian or defense-related nuclear operations.

Abstract: Polymeric dyes that comprise (a) segments that render the dyes soluble or dispersible in hydrocarbon solvents and (b) segments that impart color. The polymeric dyes can be introduced into hydrocarbon solvents or formed in hydrocarbon solvents to form stable colored dispersions, which can be used as toners for electrophotography. In these toners, the polymeric dye contains macromeric moieties that render the polymeric dye dispersible in hydrocarbon solvents. The polymeric dye may contain either a charge-directing chelating moiety or a surface-release promoting moiety or both of these moieties.

Abstract: The present invention relates to polymeric luminophores which contain ruthenium, osmium, and rhenium complexes covalently attached to polymer matrices. The polymeric luminophores are capable of having their luminescence quenched by molecular oxygen and may be coated on optical fibers to form sensing elements to detect oxygen in gases and fluids.

Abstract: A coating resin comprising a polymer obtained by polymerizing an unsaturated monomer represented by the formula (I): ##STR1## wherein R is H or an alkyl group, and X is selected from: ##STR2## wherein R.sup.1 to R.sup.8 represent independently a hydrocarbon group, etc., and Py is a pyridyl group, alone or together with one or more other unsaturated monomers can give an antifouling coating composition having no safety problem, good storage stability and excellent antifouling effect for a long period of time.

Abstract: A process for manufacturing a polymer composed of an alkyl substituted poly(2,2'-bipyridine-5,5'-diyl) having a chemical formula which is at least one of: ##STR1## wherein R and R' are H or an alkyl group having not less than 1 carbon atom, except that at least one of R and R' is an alkyl group having not less than 3 carbons, `n` is a degree of polymerization and is not less than 10, the process including:providing at least one alkyl substituted 5,5'-dihalogenated-2,2'-bipyridine having alkyl substituents in the 3-, 4- or 6-position of two pyridinediyl groups; and polymerizing the at least one alkyl substituted 5,5'-dihalogeanted-2,2'-bipyridine by adding an effective amount thereto of at least one substance which is effective to remove halogens therefrom, which at least one substance is selected from the group consisting of (a) at least one metal which is capable of dehalogenating the alkyl substituted 5,5'-dihalogenated-2,2'-bipyridine and (b) at least one compound containing at least one metal which is cap

Abstract: The invention relates to compounds obtainable by polymerization of esters or phenol ethers of the formula V ##STR1## and/or of the formula VI ##STR2## in which m and n are each 0 or 1, and A, E, R.sup.1 to R.sup.6 and X are as defined in claim 1, and up to 50 mol % of other, ethylenically unsaturated compounds. The homopolymers and copolymers according to the invention can advantageously be employed for the stabilization of organic polymers against the harmful effect of light, oxygen and/or heat.

Abstract: Polymeric dyes that comprise (a) segments that render the dyes soluble or dispersible in hydrocarbon solvents and (b) segments that impart color. The polymeric dyes can be introduced into hydrocarbon solvents or formed in hydrocarbon solvents to form stable colored dispersions, which can be used as toners for electrophotography. In these toners, the polymeric dye contains macromeric moieties that render the polymeric dye dispersible in hydrocarbon solvents. The polymeric dye may contain either a charge-directing chelating moiety or a surface-release promoting moiety or both of these moieties.

Abstract: Lube oils of improved properties contain ethylene-propylene copolymer bearing moieties derived from the reaction product of allyl glycidyl ether and a heterocyclic amine such as N-(3-aminopropyl) morpholine.

Abstract: There is disclosed an ampholytic polymer capable of absorbing aqueous electrolyte solutions, which is obtainable by polymerization of a monomer mixture including (A) at least 10 mol % of an ampholytic vinyl monomer, with the proviso that when the monomer (A) has no self-crosslinkability, the amount of monomer (A) is in the range of 10 to 99.995 mol %. The monomer mixture may further include (B) 90 mol % or less of a non-ampholytic vinyl monomer and (C) 1 mol % or less of a crosslinkable monomer, with the proviso that the total amount of monomers (A), (B) and (C) is 100 mol % and when the monomer (A) has no self-crosslinkability, the amount of monomer (C) is in the range of 0.005 to 1 mol %.

Abstract: An antimicrobial polymerizable composition comprising an ethylenically unsaturated monomer, a specific monomer having antimicrobial activity and a polymerization initiator. The composition gives, upon polymerization, a polymer having permanent antimicrobial property, which is very useful for medical articles, in particular dental materials.

Abstract: Terpolymers which are sensitive to pH and temperature are useful carriers for conducting bioactive agents through the gastric juices of the stomach in protected form. Such terpolymers swell at the higher physiologic pH of the intestinal tract causing release of the bioactive agents into the intestine. The terpolymers are linear and are made up of 35 to 99 wt % of a temperature sensitive component, which imparts to the terpolymer LCST (lower critical solution temperature) properties below body temperatures, 1 to 30 wt % of a pH sensitive component having a pK.sub.a in the range of from 2 to 8 which functions through ionization or deionization of carboxylic acid groups to prevent the bioactive agent from being lost at low pH but allows bioactive agent release at physiological pH of about 7.4 and a hydrophobic component which stabilizes the LCST below body temperatures and compensates for bioactive agent effects on the terpolymers.

Abstract: Optically transparent, high refractive index hydrogels are provided. Expansile hydrogel intraocular lenses are fabricated from the hydrogels by heating them above their elastic deformation temperatures and deforming them into an elongated configuration having at least one reduced dimension suitable for insertion through a small surgical incision. The lenses are allowed to cool in this configuration and retain the deformed shape prior to surgical implantation. Following implantation the lenses hydrate into an enlarged elastic form reassuming the original lens configuration of full capsule size.

Abstract: A method is provided for making curable silicon containing acrylate silicone hardcoat compositions which employ an anaerobic gelation inhibitor such as galvinoxyl. Devolatilizing of an aqueous/organic solvent mixture from the silicon containing acrylate hardcoat formulation is conducted in an inert atmosphere. Acrylate hardcoat compositions imparting improved weathering resistance to thermoplastic substrates also are provided.

Abstract: An organic magnetic member comprises repetition units represented by the following general formula [I]: ##STR1## having at least one of R.sub.1 and R.sub.2 which is a substituted or unsubstituted aromatic ring, or a substituted or unsubstituted heterocyclic ring, and being spontaneously magnetized.

Abstract: Described are preferred monomers including a vinylbenzyl moiety N-bonded to an alkylaminopyridinyl or pyridylimidazolyl function. Also described are preferred acid salts of such monomers. Additionally, preferred processes involving and resins formed from these preferred monomers are described. The preferred resins are highly selective for valuable heavy metal ions such as copper and demonstrate superior iron rejection values.

Abstract: Nonlinearly optically active monomer species comprising at least two carbon-carbon activated double bonds, i.e., the polymerization of which is facilitated by the presence of an electron attracting function, and a non-centrosymmetric system of pi (.pi.

Abstract: Methine or azamethine dye polymers useful in nonlinear optics contain as characteristic monomer units radicals of the formulae I, II, III and IV ##STR1## where G is a divalent organic radical,Z is nitrogen or CH,R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.6 -alkyl or substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy,R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.3 -C.sub.4 -alkenyl,R.sup.4 is hydrogen, deuterium, methyl, trideuterated methyl or chlorine,R.sup.5 is hydrogen or deuterium,Y.sup.1 and Y.sup.2 are each C.sub.2 -C.sub.10 -alkylene,E is oxygen, imino or C.sub.1 -C.sub.4 -alkylimino, andX is hydroxyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, phenoxy, amino or C.sub.1 -C.sub.4 -mono- or -dialkylamino, andthe ring A can be benzofused, and have an average molecular weight of from 1,000 to 100,000.

Abstract: Azo dye polymers useful in nonlinear optics contain as characteristic monomer units radicals of the formulae I, II, III and IV ##STR1## where D is the radical of a heterocyclic diazo component,R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.6 -alkyl or substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, and R.sup.2 may also be C.sub.1 -C.sub.4 -alkanoylamino,R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.3 -C.sub.4 -alkenyl,R.sup.4 is hydrogen, deuterium, methyl, trideuterated methyl or chlorine,R.sup.5 is hydrogen or deuterium,Y.sup.1 and Y.sup.2 are each substituted or unsubstituted C.sub.2 -C.sub.10 -alkylene,W is oxygen, imino or C.sub.1 -C.sub.4 -alkylimino, andX is hydroxyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, phenoxy, amino or mono- or di(C.sub.1 -C.sub.4 -alkyl)amino,and have an average molecular weight of from 1,000 to 100,000.

Abstract: A polymer, including alkyl substituted poly(2,2 '-bipyridine-5,5 '-diyl) having chemical formulae as follows: ##STR1## wherein R and R' are H or an alkyl group having not less than 1 carbon atom, except that at least one of R and R' is an alkyl group having not less than 3 carbons, `n` is a degree of polymerization and is not less than 10. The polymer may be used as a material for a device selected from the group consisting of a battery, an electrochromic device, an electronic device, a n-type conductor and an electroluminescence device, and may be used as polymer ligand to a metal element.

Abstract: An antimicrobial polymerizable composition comprising an ethylenically unsaturated monomer, a specific monomer having antimicrobial activity and a polymerization initiator. The composition gives, upon polymerization, a polymer having permanent antimicrobial activity, which is very useful for medical articles, in particular dental materials.

Abstract: Described are preferred processes for producing linear polyvinylpyridines. The processes involve the use of hydrogen peroxide to initiate polymerization of vinylpyridine monomers in an alcohol/water solvent. Processes of the invention provide good reaction rates and conversions, and are particularly advantageous in achieving control of the M.sub.w 's of the final product polymers.

Abstract: Prepolymers having imide groupings and process for their preparation, for use in the production of resins capable of hardening under ionizing radiation. The prepolymers are derived from the reaction in a homogeneous liquid medium, at a temperature of between 50.degree. and 250.degree. C. of, firstly, imide grouping-generating reagents consisting of a least two specific maleimides of different kinds, and, secondly, two additional reagents, composed of a specific acrylate reagent and a specific vinyl compound other that an acrylate.

Abstract: The invention relates generally to polymers exhibiting second order nonlinear optical properties, and characterized by high thermal stability. Disclosed are polymers prepared by a polycondensation reaction between an aromatic dianhydride and a compound selected from the group consisting of a di(alkylamino)amine and an aromatic diamine. Most preferred are polymers that are the products of a polycondensation reaction between 1,2,4,5-benzenetetracarboxylic dianhydride and nitro(N,N-diethylamino)stilbene, wherein the polymer is imidized by further heat treatment.

Abstract: The invention relates to a process for preparing organic monomeric or polymeric compounds carrying tert-butyloxycarbonyl groups, wherein a monomeric or polymeric organic compound, which possesses at least one heteroatom with an acidic proton, such as an aliphatic or aromatic alcohol, an amide, imide or lactam, is reacted with di-tert-butyl dicarbonate in an inert solvent in the presence of about 0.01 to about 10 mol percent, relative to the compound to be converted, of a catalyst at a temperature from about 0.degree. to about 80.degree. C. The reaction solution can be used for further processing, or the reaction product can be isolated by evaporation of the solvent or by precipitation in water and drying. The compounds are preferably used in light-sensitive coatings.

Abstract: A polymer useful for preparing shaped articles comprises essentially repeat units of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or methyl, andR.sup.3 is C.sub.6 -C.sub.14 -aryl, which may be monosubstituted, disubstituted or trisubstituted by radicals selected from the group consisting of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy and halogen,and is obtainable by reacting a polymer based on C.sub.1 -C.sub.20 -alkyl esters of methacrylic acid or of acrylic acid or mixtures of such esters with an aromatic amine of the general formula IIR.sup.3 NH.sub.2 IIin the presence of an amine having a pK.sub.b value .ltoreq.9.

Abstract: A water swellable crosslinked polymer of essentially balanced charge is obtained by polymerizing a polymer-forming composition comprising a cationic-anionic pair of ethylenically unsaturated monomers and a non-ionic ethylenically unsaturated hydrophilic and/or hydrophobic monomer. Contact lenses formed from the polymer exhibit little if any tendency to attract soils, e.g., proteinaceous debris, to their surfaces.

Abstract: A polymer useful for preparing shaped articles comprises essentially repeat units of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or methyl, andR.sup.3 is C.sub.6 -C.sub.14 -aryl, which may be monosubstituted, disubstituted or trisubstituted by radicals selected from the group consisting of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy and halogen,and is obtainable by reacting a polymer based on C.sub.1 -C.sub.20 -alkyl esters of metharcylic acid or of arcylic acid or mixtures of such esters with an aromatic amine of the general formula IIR.sup.3 NH.sub.2 IIin the presence of an amine having a pK.sub.b value .ltoreq.9.

Abstract: Described are unique polymerization processes for preparing linear polyvinylpyridine polymers as well as unique linear polyvinylpyridine polymer compositions. The processes involve the use of an alkylpyridine anion as an anionic polymerization catalyst and result in linear polyvinylpyridines having alkylpyridine end groups homologous to the pendant pyridines of the polymer. Processes of the invention are particularly advantageous in preparing relatively low molecular weight linear polyvinylpyridines without the need to use large amounts of catalyst to achieve the same.

Abstract: Methine or azamethine dye polymers useful in nonlinear optics contain as characteristic monomer units radicals of the formulae I, II, III and IV ##STR1## where G is a divalent organic radical,Z is nitrogen or CH,R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.6 -alkyl or substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy,R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.3 -C.sub.4 -alkenyl,R.sup.4 is hydrogen, deuterium, methyl, trideuterated methyl or chlorine,R.sup.5 is hydrogen or deuterium,Y.sup.1 and Y.sup.2 are each C.sub.2 -C.sub.10 -alkylene,E is oxygen, imino or C.sub.1 -C.sub.4 -alkylimino, andX is hydroxyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, phenoxy, amino or C.sub.1 -C.sub.4 -mono- or -dialkylamino, andthe ring A can be benzofused, and have an average molecular weight of from 1,000 to 100,000.

Abstract: Stabilizers for organic polymers, consisting of one or more compounds of the classis of the sterically hindered amines (HALS) are directly added to the reaction mixture during the (co)polymerization of the .alpha.-olefins or of their mixtures with other unsaturated monomers.The so-obtained polymeric compositions result perfectly stabilized and show a thermo- and photo-oxidative resistance higher than that of the same polymeric compositions to which the same stabilizers are added by a traditional route.

Abstract: Photosensitive, photocurable, compositions contain a polymeric backbone which are basic in an aqueous environment having a pendant photosensitive group. The pendant groups are styryl-amine or nitrogen heterocyclic groups which contain an ethylenically unsaturated photocross-linking group. The pendant styryl-amine or nitrogen heterocyclic groups can cross-link two polymer chains by photo addition through ethylenically unsaturated groups in the styryl moiety forming a cyclobutane crosslinked site. The cross-linking is accomplished by irradiating the material with visible light or ultraviolet radiation of appropriate wave length, depending on the absorbitivity of the system. The photocurable polymer can be formulated into useful systems including in liquid resists, pre-coated film resists, etc. and can be used in both negative or positive imaging systems.

Abstract: A pressure-sensitive adhesive and adhesive sheets using the pressure-sensitive adhesive are disclosed. The pressure-sensitive adhesive comprising (a) from 50 to 84% by weight of an acrylic monomer, (b) from 15 to 28% by weight of an N,N-di-substituted (meth)acrylamide, (c) from 1 to 10% by weight of a monomer having an acid group, and (d) from 0 to 25% by weight of other monomer copolmerizable with the components (a) to (c).

Abstract: Polymethacrylimide polymers poor in amide or N-alkylamide groups and in carboxyl and carbonic acid anhydride groups are obtained by heating a copolymer consisting of 1 to 60 mol percent of methacrylamide or/and an N-alkyl-methacrylamide and 40-99 mol percent of an alkyl methacrylate or/and phenyl methacrylate in an aliphatic monoalcohol.

Abstract: Compounds of formula (I) ##STR1## wherein R.sub.1 is hydrogen, methyl or halogen, n is 2 or 3, and R is C.sub.1 -C.sub.6 alkyl, benzyl, 2-tetrahydrofuranyl, 2-tetrahydropyranyl, C.sub.1 -C.sub.6 alkoxycarbonyl, phenoxycarbonyl or benzyloxycarbonyl, or, if two substituents OR are ortho-positioned to each other, two substituents R together form an ethylene group which may be substituted by up to four C.sub.1 -C.sub.6 alkyl groups, or form a C.sub.2 -C.sub.6 alkylidene group, can be polymerized in the absence or presence of other unsaturated comonomers to polymers having a molecular weight M.sub.w of 10.sup.3 to 10.sup.6 and which are suitable for producing positive photoresists with high resolution and very good contrast.

Abstract: This invention concerns a "living" free radical polymerization process for preparing polymers having a narrow distribution of molecular weights.

Abstract: A unique polymer was synthesized via copolymerization of vinylpyridine and acetoxystyrene under radical-initiated conditions followed by acidic or basic hydrolysis of the acetoxy group to afford the corresponding hydroxy group. The built-in acid-base dual functionality (phenolic and pyridyl units) in this polymer backbone gives rise to its unique solubility properties over a wide pH range in both aqueous and non-aqueous media. Due to its amphoteric nature, this polymer finds application as an anti-stat, viscosity modifier, and/or ion-exchange resin.

Abstract: A support material for photosensitive substances, useful in the production of offset-printing plates, is disclosed. The support material comprises mechanically, chemically or electrochemically roughened aluminum or an aluminum alloy in the form of a sheet, a foil or a web, and which is coated on at least one side with a hydrophilic polymer which comprises (a) at least 2 mol% of units having acidic side groups and (b) at least 2 mol% of units having basic side groups which are capable of being protonated.

Abstract: A copolymer latex obtained by emulsion-polymerization of 45 to 85% by weight of a conjugated diene monomer, 0.1 to 25% by weight of an ethylenically unsaturated acid monomer, 10 to 45% by weight of a vinyl-pyridine monomer and 0 to 30% by weight of another monomer copolymerizable with these monomers. The surface of the latex particles contains the carboxy groups in an amount of at least 0.01 milliequivalent per gram of the copolymer. An adhesive composition comprising the copolymer latex is useful for boding fibers, particularly polyester fibers, to rubber with a high adhesion strength.

Abstract: The present invention provides a process for the production of polymers with an optical position in diagram where refraction index n.sub.D is plotted against optical dispension v.sub.D expedient for an optical use by metathetic counterion exchange, wherein, in a polymer of the general formula: ##STR1## R.sub.1 and R.sub.2, which can be the same or different, are divalent organic radicals, R.sub.3 and R.sub.4, which can be the same or different, are monovalent organic radicals, n is a whole number greater than 2 and y is 0 or 1. R.sub.1, R.sub.2, R.sub.3, R.sub.4, y and n are so chosen that together they form a polymeric basic structure which promotes glass formation and prevents crystallisation, and X.sup.- is a halogen atom. The halogen ion is replaced by an equivalent of a mono- or polyvalent organic or inorganic counterion different from the halogen ion and suitable for the adjustment of the desired solid body properties.

Abstract: A fluorine-containing resin being soluble in an organic solvent and having excellent compatibility with a curing agent, which contains Component (A) formed of a unit having the formula ##STR1## and at least one of Component (B) formed of a unit having a cyclic hydrocarbon group introduced through a urethane bond in the molecule and Component (C) of a unit having the formula ##STR2## and which further optionally contains Component (D) of a unit formed from a vinyl monomer having a specific functional group, Component (E) of a unit formed from a vinyl monomer other than monomers forming the Components (A), (B), (C) and (D), and Component (T) of a unit formed from an acrylic resin having a specific substituent; and a coating composition containing said resin, (wherein V, Y, X, Z, R.sup.c1, R.sup.c2 and R.sup.c3 are as defined in the specification).

Abstract: Crosslinkable copolymers of (a) 80-99% by wt. vinylpyrrolidone (VP) and 1-20% by wt. of a tertiary-amine-containing polymerizable monomer, e.g. vinylimidazole (VI) or 4-vinylpyridine (VPy), and (b) 80-99% by wt. VP and 1-20% by wt. of an epoxide-containing polymerizable monomer, e.g. allyl glycidyl ether (AGE) or glycidyl acrylate (GA), are reacted in solution, e.g. water, alcohol, or mixtures thereof, at a predetermined temperature, e.g. 50.degree.-70.degree. C., in a wt. ratio (solids basis) of (a):(b) of about 2:1 to 1:2, preferably about 1:1, in a solution concentration of about 10-30% of each, to provide a crosslinked PVP product, in gel form, suitable for use as an electrolead on a conductive foilbacking, or for bandages and wound dressings, and as a controlled release media for pharmaceuticals.

Abstract: A water swellable crosslinked polymer of essentially balanced charge is obtained by polymerizing a polymer-forming composition comprising a cationic-anionic pair of ethylenically unsaturated monomers and a nonionic ethylenically unsaturated hydrophilic and/or hydrophobic monomer. Contact lenses formed from the polymer exhibit little if any tendency to attract soils, e.g., proteinaceous debris, to their surfaces.

Abstract: The invention relates to a hydrophilic copolymer having the general structure:. . . --(A).sub.m -- . . . --(B).sub.n -- . . . --(C).sub.o -- . . . --(D).sub.p -- . . .in whichA is at least one polymerizable monomer having an acidic side group,B is at least one polymerizable monomer having a basic side group,C is at least one polymerizable monomer having a non-polar, non-hydrophilic side group, andD is at least one polymerizable monomer capable of increasing the hydrophilic character of monomer A or to form a chelate with monomer A,m, n, o and p are the monomer contents of monomers A, B, C and D, respectively, in mol %, with m+n+o+p=100 mol %, with the proviso that m and n are each.gtoreq.2 mol % and p is .gtoreq.1 mol %,wherein the copolymer is a linear copolymer having a random structure of the monomers. The copolymer is useful as a hydrophilizing agent for lithographic and offset printing plates, and as a binder in light-sensitive lithographic layers.

Abstract: The present invention relates to absorption resins comprising vinyl copolymers which do not dissolve in water and are capable of absorbing microorganisms without inactivating the microorganisms and also adsorbents with a large contact area which are capable of absorbing microorganisms efficiently as well as methods of making the resins and the adsorbents.

Abstract: Azo dye polymers useful in nonlinear optics contain as characteristic monomer units radicals of the formulae I, II, III and IV ##STR1## where D is the radical of a heterocyclic diazo component,R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.6 -alkyl or substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, and R.sup.2 may also be C.sub.1 -C.sub.4 -alkanoylamino,R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.3 -C.sub.4 -alkenyl,R.sup.4 is hydrogen, deuterium, methyl, trideuterated methyl or chlorine,R.sup.5 is hydrogen or deuterium,Y.sup.1 and Y.sup.2 are each substituted or unsubstituted C.sub.2 -C.sub.10 -alkylene,W is oxygen, imino or C.sub.1 -C.sub.4 -alkylimino, andX is hydroxyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, phenoxy, amino or mono- or di(C.sub.1 -C.sub.4 -alkyl)amino,and have an average molecular weight of from 1,000 to 100,000.