Abstract: Disclosed is a two-step method of making soft, high refractive index, acrylic ophthalmic device materials.

Abstract: The present invention is directed to a thermally curable polymer composition, and a photolithographic substrate coated therewith, the composition comprising a hydroxyl-containing polymer, an amino cross-linking agent and a thermal acid generator. The thermally curable polymer composition may be dissolved in a solvent and used as an undercoat layer in deep UV lithography.

Abstract: The present invention is directed to a thermally curable polymer composition, and a photolithographic substrate coated therewith, the composition comprising a hydroxyl-containing polymer, an amino cross-linking agent and a thermal acid generator. The thermally curable polymer composition may be dissolved in a solvent and used as an undercoat layer in deep UV lithography.

Abstract: The present invention relates to a golf ball, comprising a cover, a core and optional intermediate layers, wherein the various ball components are formed from compositions comprising a sulfonated and/or phosphonated ionomer. The sulfonated and/or phosphonated ionomer preferably comprises sulfonated thermoplastic elastomers, sulfonated thermoplastic polymers, sulfonated thermoset polymers and mixtures thereof. The compositions include a blend of about 1 wt. % to about 99 wt. % of at least one sulfonated and/or phosphonated ionomer and about 99 wt. % to about 1 wt. % of at least co-component polymer. The co-component polymer may be a conventional ionomer, a thermoplastic, a thermoplastic elastomer, a thermoset polymer or mixtures thereof.

Abstract: Curable perfluoroelastomer compositions are disclosed that comprise ammonia and uncured perfluorinated elastomers having copolymerized units of nitrile-containing cure site monomers. Such compositions are curable at low temperatures. In addition, curable perfluoroelastomer compositions are disclosed wherein ammonia functions as a cure rate accelerator in the presence of other curing agents.

Abstract: A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure: M—Qn—Z—O—[A(R1R2R3)] wherein M is an alkali metal selected from the group consisting of lithium, sodium and potassium; Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons, alkenylsubstituted aromatic hydrocarbons, and mixtures thereof into the M—Z linkage; Z is a branched or straight chain hydrocarbon group which contains 3-25 carbon atoms, optionally containing aryl or substituted aryl groups; A is an element selected from carbon and silicon; R1, R2, and R3 are independently selected from hydrogen, alkyl, substituted alkyl groups containing lower alkyl, lower alkylthio, and lower dialkylamino groups, aryl or substituted aryl groups containing lower alkyl, lower alkylthio, and lower dialkylamino groups, and n is an integer from 1 to 5, monof

Abstract: A process for removing a protecting group from a polymer. Protected functional groups of a polymer may be deprotected by treating the polymer in the presence of an acid catalyst, including organic acids, mineral acids, heterogeneous acid systems, Lewis acids, and fluoride ion sources.

Abstract: Disclosed is a curable resin which comprises at least one polymer selected from polymers each independently having a polymer chain represented by the following formula (I): ##STR1## wherein A to F are monomer units constituting a main chain of the polymer and are arranged in any order, and a to f are, respectively, wt % of A to F, based on the total weight of A to F; wherein each A is independently selected from cyclic olefin monomer units having no reactive group, each B is independently selected cyclic conjugated diene monomer units having no reactive group, each C to F is independently selected from comonomer units having no reactive group, and copolymerizable with A and B, wherein Q.sub.1 to Q.sub.6 are reactive groups, and wherein the average total number (J) of Q.sub.1 to Q.sub.6 of the at least one polymer satisfies: 1.ltoreq.(J).ltoreq.4, the polymer having an ME of from 1,000 to 5,000,000. A resin composition containing the curable resin is also disclosed.

Abstract: Novel polymeric compounds having pendent fluoroaliphatic groups, pendent organic-solubilizing groups, and pendent groups capable of reacting with an epoxy silane; which have been reacted with an epoxy silane have been discovered. These compounds are easy to apply, abrasion and impact resistant, and provide durable, low surface energy, streak reducing surfaces on coating dies, edge guides, and other coating and fluid contacting surfaces.

Abstract: A polymer includes an ethylene-containing backbone having substituents attached thereto, wherein the substituents include a urethane linked nitrogen-bonded hydrocarbon side chain having about 5 carbon atoms or more in length and a terminal methyl group; and an oxygen linked water solubilizing group. The polymer is particularly useful in a release coating composition and is suitable for forming films from aqueous dispersions thereof, organic solvent dispersions thereof, or mixtures thereof.

Abstract: A plastic article having a number of surfaces with at least one surface being modified by contacting that surface with a reactive gas atmosphere containing F.sub.2, Cl.sub.2, O.sub.2, Ozone, SO.sub.3, oxidative acids, or mixtures thereof, at a temperature and gas partial pressure sufficient to increase the surface energy of the at least one surface being modified to at least 40 dynes/cm at a temperature of 20.degree. C., to enhance bonding of non-slip polymer coatings to the modified surface, to which coatings elastomeric or rigid particles may be admixed for imparting a surface profile and increasing the coefficient of friction between the coated surface and the counter-surface.

Abstract: A process for removing a protecting group from a polymer. Protected functional groups of a polymer may be deprotected by treating the polymer in the presence of an acid catalyst, including organic acids, mineral acids, heterogeneous acid systems, Lewis acids, and fluoride ion sources.

Abstract: Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ethers groups, guanidinium groups, amide groups, ester groups, aminodicarboxylic groups, permethylated polyvinylpyridine groups, permethylated amine groups, mercaptosuccinic acid groups, alkyl thiol groups, and N-alkylthiourea groups are disclosed.

Abstract: The present invention concerns the synthesis of several biomimetically important polymer-supported, sulfonated catechol (PS-CATS), sulfonated bis-catechol linear amide (PS-2-6-LICAMS) and sulfonated 3,3-linear tris-catechol amide (PS-3,3-LICAMS) ligands, which chemically bond to modified 6% crosslinked macroporous polystyrene-divinylbenzene beads (PS-DVB). These polymers are useful for the for selective removal and recovery of environmentally and economically important metal ions from aqueous solution, as a function of pH. The Fe.sup.3+ ion selectivity shown for PS-CATS, PS-2-6-LICAMS, and PS-3,3-LICAMS polymer beads in competition with a similar concentration of Cu.sup.2+, Zn.sup.2+, Mn.sup.2+, Ni.sup.2+, Mg.sup.2+, Al.sup.3+, and Cr.sup.3+ ions at pH 1-3. Further, the metal ion selectivity is changed at higher pH values in the absence of Fe.sup.3+ (for example, Hg.sup.2+ at pH 3). The rates of selective removal and recovery of the trivalent metal ions, e.g. Fe.sup.3+ Al.sup.3+ ion etc.

Abstract: A method for coupling a cationic polymer includes forming a reaction mixture of a cationic polymer and a bis(diphenylethylene). The reaction mixture is exposed to a temperature which causes the bis(diphenylethylene) to react with the cationic polymer, thereby coupling the cationic polymer. In another embodiment, the method includes forming a reaction mixture of an oxo-acid and a isopropenyl polyisobutylene. The reaction mixture is exposed to a temperature below about -30.degree. C., whereby the oxo-acid reacts with isopropenyl polyisobutylene, thereby coupling the polymer.

Abstract: This invention provides a curable fluoroelastomer composition comprising: (A) a fluorine-containing polymer or a blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically unsaturated monomers; (B) an aromatic polyhydroxy crosslinking agent; (C) at least one organo-onium compound; and (D) a monohydroxyfunctional phenol. The compositions provide for a method of improving scorch safety of curable fluoroelastomer compositions.

Abstract: Cation exchange resins are prepared by sulfonating copolymer beads in the presence of a swelling solvent under pressure. Pressure sulfonation shortens cycle times and requires less energy while maintaining or improving product quality.

Abstract: A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic trapping agent. The invention includes functionalized polymer, derivatives thereof and methods of making the same.

Abstract: A fluorine-containing elastomer composition, which comprises a terpolymer of tetrafluoroethylene, perfluoro(lower alkyl vinyl ether) and cyano group-containing (perfluorovinylether) represented by the following general formula:CF.sub.2 .dbd.CF?OCF.sub.2 CF(CF.sub.3)!nCNwherein n is an integer of 1 to 5, and a bis(aminophenyl) compound represented by the following general formula as a cross-linking agent: ##STR1## , wherein A is, for example, an alkylidene group, and X and Y are a hydroxyl group or an amino group, can produce vulcanized products having a good heat resistance and good physical properties, and the bis(aminophenyl) compound has no problem as to its safety.

Abstract: Tire curing bladders are made from poly(isobutylene-co-4-bromomethylstyrene) with a benzylic bromine content of from 0.15 to 0.45 mole percent, vulcanized with a cure system of 1,6-hexamethylene-bis(sodium thiosulfate) and zinc oxide. The vulcanizate has low residual benzylic bromine content which leads to enhanced stability under severe duty applications, reduced hot tension set, and reduced adhesion or co-cure to halobutyl tire innerliners.

Abstract: A dry immunoassay analytical element, for assaying a ligand, comprising in the following order:(a) a layer containing a labeled ligand;(b) a spreading layer;(c) a receptor layer containing a fixed concentration of an immobilized receptor for the labeled ligand and the receptor is i) covalently bonded to polymeric beads having a diameter in the range of 0.1 to 5 .mu.m and ii) dispersed in a polymeric binder and(d) a support;characterized in that the spreading layer contains a water soluble polymer containing vanadium IV (V.sup.+4) ions.

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-crosslinked 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: Disclosed herein are partially fluorinated (co)polymers containing sulfonic acid or sulfonate salt groups, processes for making those polymers, and intermediates for those (co)polymers. The (co)polymers are useful as ion-exchange resins and (in the sulfonic acid form) acid catalysts.

Abstract: A monomer having cationic groups and a monomer having anionic groups are introduced into polymeric substrates such as fibers, woven fabrics, nonwoven fabrics and membranous materials through radiation-initiated graft polymerization, thereby producing polymeric electrolyte complexes that have good physical properties and which can be formed into shapes that suit specific uses. Also disclosed is a process according to which hydrophilic groups and/or ion-exchange groups are introduced into polymeric substrates such as fibers, woven fabrics, nonwoven fabrics and membranous materials through radiation-initiated graft polymerization. To introduce hydrophilic groups and/or ion-exchange groups, two or more monomers are used as selected from among hydrophilic monomers, monomers having cation-exchange groups (e.g. acrylic acid, methacrylic acid and styrenesulfonic acid salt), and monomers having anion-exchange groups (e.g. vinylbenzyltrimethyl ammonium salt and diethylaminoethyl methacrylate).

Abstract: Curable flurooelastomeric compositions used for O-rings comprising:A) parts (phr) of a curable fluoroelastomeric copolymer having a content in F<67% by weight and comprising from 40 to 68% by weight of VDF units, from 20 to 50% by weight of HFP units, the sum being 100, and optionally one or more comonomers having ethylene unsaturation, said copolymer having a number of ionic terminals of at least 0.5 for chain;B) from 1 to 5 phr of an adduct between an accelerator and a curing agent in molar ratio from 1:3 to 1:5, the accelerator being an onio-organic compound having a positive charge, the curing agent being a di- or polyhydroxy or di- or polythiol compound; the adduct being obtained by melting of the reaction product between accelerator and curing agent in the indicated molar ratios, or by melting of the adduct mixture 1:1 added with the curing agent in the indicated amounts.

Abstract: Curable fluoroelastomeric compositions employable for preparing fuel hoses or O-rings for injectors comprising:A) 100 phr (parts) copolymers or terpolymers based on VDF with a content in fluorine of at least 67% by weight, the VDF being comprised from 30 to 50% by weight, from 20 to 60% by weight of HFP optionally other monomeric units deriving from a monomer having ethylene unsaturation; the sum of the comonomers being 100;B) 1 to 5 phr of an adduct between an accelerator and a curing agent in molar ratio from 1:2 to 1:5, the accelerator being an onio-organic compound having a positive charge, the curing agent being a di- or polyhydroxy or di- or polythiol compound; the adduct being obtained by melting of the reaction product between accelerator and curing agent in the indicated molar ratios, or by melting of the adduct mixture 1:1 added with the curing agent in the indicated amounts.

Abstract: A method for producing a spherical crosslinked copolymer, which comprises polymerizing a monofunctional addition-polymerizable monomer and at least 0.5% by weight of a polyfunctional addition-polymerizable monomer on the basis of the total weight of monomers by suspension polymerization in an aqueous medium in the presence of a radical polymerization initiator of the following formula (b) which has a decomposition temperature for a half-life period of 10 hours within a range of from 60.degree. to 120.degree. C. and which is capable of forming at least four radical initiating points per molecule by the decomposition:(R.sub.4 --O--O.paren close-st..sub.m R.sub.5 (b)wherein R.sub.4 is a linear or branched C.sub.1-10 alkyl group, R.sub.5 is a m-valent C.sub.4-25 hydrocarbon group, and m is an integer of at least 2, wherein the plurality of R.sub.4 per molecule may be the same or different.

Abstract: Novel polymethacrylate esters are prepared; the ester groups of which in the .alpha. and optionally also in the .omega. position differ from the ester groups in the chain. The invention furthermore relates to a method for the synthesis of these compounds by transesterification under selected method conditions.

Abstract: This invention is directed to certain novel N-functionalized polyallylamines having recurring units represented by the formula: ##STR1## wherein A, B, C and D are independently selected from the group consisting of hydrogen, CH.sub.2 PO.sub.3 H.sub.2, (CH.sub.2).sub.n COOH, (CH.sub.2).sub.m SO.sub.3 H and water-soluble salts thereof, wherein n=1 to 4, m=1 to 4, X is 1 to 99 mol %, Y is 1 to 99 mol % and X+Y=100 and with the proviso that when A is hydrogen, B is (CH.sub.2).sub.n COOH, or (CH.sub.2).sub.m SO.sub.3 H and at least one of C and D is CH.sub.2 PO.sub.3 H.sub.2 or (CH.sub.2).sub.m SO.sub.3 H, when A is (CH.sub.2).sub.n COOH, at least one of B, C and D is CH.sub.2 PO.sub.3 H.sub.2 or (CH.sub.2).sub.m SO.sub.3 H and when A is CH.sub.2 PO.sub.3 H.sub.2, at least one of B, C or D is (CH.sub.2).sub.n COOH or (CH.sub.2).sub.m SO.sub.3 H. The compositions of this invention are useful in water treatment to inhibit or remove scale deposits.

Abstract: A process for the functionalisation of polymers is disclosed. Functionalisation takes place by reacting a polymer with a peroxidant, preferably, the peroxydisulphate or monosulphate or sodium or potassium in an aqueous medium. The hydroxylated polymer can then be reacted with other materials, including biomolecules. Using the method of the inventon, products eg. Catheters or oxygenators can be produced with improved properties hitherto unobtainable.

Abstract: The anionic polymerization of unsaturated monomers with functionalized initiators having the structure R.sup.1 R.sup.2 R.sup.3 Si--O--A'--Li is improved by selecting A' from the structures --CH.sub.2 --CH.sub.2 --CH.sub.2 -- (1,3-propyl), --CH.sub.2 --CH(CH.sub.3)--CH.sub.2 -- (2-methyl-1,3-propyl), --CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --(2,2-dimethyl-1,3-propyl), or --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --(1,8-octyl). This narrow class of polymerization initiators operate at surprisingly higher polymerization temperatures with surprisingly lower amounts of dead initiator than similar initiators wherein A' is --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --(1,4-butyl), --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --(1,5-pentyl), or --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --(1,6-hexyl).

Abstract: Novel crosslinked resins comprising at least one substituted aryl group having a functional substituent group of the general formula ##STR1## can be prepared via the addition reaction of a crosslinked resin comprising at least one substituted aryl group having a functional substituent group of general formula ##STR2## and an ester of an alkenesulfonic acid of general formulaC(H)(R.sup.1).dbd.C(H)--SO.sub.3 R.sup.3 (III),wherein, a is 0 or 1, b is 1 or 2, d is 1 or 2, e is 0 or 1, R.sup.1 represents H or a C.sub.1 -C.sub.4 alkyl group, R.sup.2 is a --CN or a carboxyester group, R.sup.3 is a hydrocarbyl group, M is a proton or another cation, and moreover that in general formula (I) b+d+e=3, and in general formula (II) that b+e=2 and b is 2 each R.sup.2 is a --CN or a carboxyester group, followed by hydrolysis of the addition product into a functional group of general formula (I). Said resins are extremely stable at elevated temperatures in water or aqueous media and show a high catalytic activity.

Abstract: Seeded cation-exchange resin beads are particularly susceptible to oxidative degradation which results in the leaching of organic carbon fragments. The leachability of organic carbon fragments of molecular weights greater than 1000 g/mol is reduced to less than 800 ppm by effectively crosslinking the copolymers that comprise the seeded cation-exchange in beads Crosslinking can be achieved either during sulfonation by increasing sulfone bridge formation or before sulfonation by either alkylene bridge formation or by incorporation and subsequent activation of a crosslinkable functionality in the copolymer that forms the seed in the seeded polymer bead process.

Abstract: A partially tert-butoxylated poly(p-hydroxystyrene) is prepared by subjecting poly(p-tert-butoxystyrene) to reaction of eliminating some of the tert-butoxy groups in an organic solvent at a temperature of 30.degree.-100.degree. C. in the presence of an acid catalyst at a molar ratio of acid catalyst/t-BuO group of from 0.050 to 2.0. During the elimination reaction, a change of solubility of the resulting partially tert-butoxylated poly(p-hydroxystyrene) is determined to calculate a degree of elimination of tert-butoxy groups. The reaction is terminated when a desired degree of elimination is reached. Through a simple process, partially tert-butoxylated poly(p-hydroxystyrene) having a well controlled t-BuO content is produced in high yields.

Abstract: It is an objective of the present invention to provide, in particular, a curable composition of an extremely high utility which yields a cured film having excellent acid resistance and the like. The curable composition of the present invention is used mainly for paints, adhesives, or sealing agents. The curable composition is based on crosslinking reaction between a specific substituted methyl ester group exemplified by an alkoxymethyl ester group and other functional groups, i.e., an epoxy group and an active hydrogen-containing group such as a hydroxyl group, a carbamate group, and an acetoacetoxy group.

Abstract: A fluorine-containing elastomer composition comprising a terpolymer of tetrafluoroethylene, perfluoro(lower alkyl vinyl ether) and cyano group-containing (perfluorovinylether), and a less expensive of the ammonium salt of organic or inorganic acid as a curing agent produce a vulcanization product having good heat resistance and solvent resistance, and when no carbon black, etc. are contained in the composition for curing, transparent vulcanization product having satisfactory physical properties are obtainable.

Abstract: An additive composition comprising a graft and derivatized copolymer prepared from ethylene and at least one (C.sub.3 -C.sub.10) alpha- monoolefin and, optionally, a polyene selected from non-conjugated dienes and trienes comprising from about 15 to 80 mole percent of ethylene, from about 20 to 85 mole percent of said (C.sub.3 -C.sub.10) alpha- monoolefin and from about 0 to 15 mole percent of said polyene having an average molecular weight ranging from about 5,000 to 500,000, which has been reacted with at least one olefinic carboxylic acid acylating agent to form one or more acylating reaction intermediates characterized by having a carboxylic acid acylating function within their structure and reacting said reaction intermediate with an amino-aromatic compound to form said graft derivatized copolymer, and a lubricating oil composition containing same are provided.

Abstract: An alkali soluble resin, preferably a phenolic resin, having a portion of its phenolic hydroxyl groups reacted to form a blocking group inert to acid or base. The polymer is used for the formulation of acid hardening photoresists and the presence of the inert blocking group enables development of an exposed photoresist with a strong developer without formation of microbridges between fine line features.

Abstract: Disclosed is a vulcanizable, fluorine-containing elastomer composition comprising (a) a vulcanizable, fluorine-containing elastomer, (b) a polyol vulcanizing agent comprising a polyol compound as a crosslinking agent, and (c) an aliphatic amine compound represented by the formula: R.sub..alpha. NH.sub..beta. wherein R represents an alkyl group, .alpha. represents an integer of from 1 to 3, and .beta. represents 3 minus .alpha..

Abstract: Star polymers having polymeric arms of a hydrogenated conjugated diene and substantially smaller polymeric arms of an alkyl methacrylate are efficiently reacted with amines after preparation of a concentrate of the polymer in a lubricating oil to form a dispersant viscosity index improver.

Abstract: Carboxyl-containing copolymers of ethylene are prepared by polymer-analogous pyrolytic ester cleavage of copolymers consisting ofa) from 60 to 99.9 mol% of ethylene,b) from 0.1 to 40 mol% of C.sub.4 -C.sub.8 -tert-alkyl esters of copolymerizable C.sub.3 -C.sub.12 -carboxylic acids andc) from 0 to 20 mol% of further copolymerizable monomers by a method in which pyrolytic ester cleavage is carried out at from 150.degree. to 250.degree. C. in the presence of organic sulfonic acids, in the absence of a solvent and in the virtual absence of free radical initiators.

Abstract: In a method of preparing styrene plastics, the water medium containing tricalcium phosphate is prepared in situ (0.15 to 1.5 wt. %). Then, calcium carbonate (0.07 to 0.35 wt. %) is heated and dispersed therein. Thereafter, the monomer/comonomers/prepolymer, and secondary sodium alkylsulphates (0.001 to 0.020 wt. %) are introduced into the suspension polymerization process at 15 to 47% conversion. This method permits production of styrene plastics using a common technology, while providing specified bead size distribution, low concentration of dust fractions, and enhancement of the process stability.

Abstract: A fire retardant polymeric resin is disclosed. The resin comprises a polymer having grafted thereto a fire retardant effective amount of a monomer composition selected from among salts of acidic monomers, mixtures of salts of acidic monomers, and mixtures of acidic monomers and salts thereof. Related additives are also disclosed.

Abstract: The use of cyclamic acid as a catalyst for the curing of hydroxyl-functional resins having a functionality greater than 2 provides a wrinkle finish. The hydroxy-function may be present in polyesters, epoxies, and acrylate or methacrylate resins, among others. The polyester resins which are able to provide such a finish have a hot plate melt flow of from about 20 mm to about 150 mm.

Abstract: A one-pot method of preparing sulfonic acid-terminated polyisobutylene by sulfonation with acetyl sulfate of living polyisobutylene in a single step. The method permits preparation of sulfonated telechelic polyisobutylenes (STPs) by "inifer" initiated carbocationic polymerization of isobutylene with Lewis acid to form a polymer, followed by the addition in the same reaction vessel of acetyl sulfate at the polymerization temperature or the decomposition temperature of the complex.

Abstract: An additive composition comprising a graft and derivatized copolymer prepared from ethylene and at least one (C.sub.3 -C.sub.10) alpha-monoolefin and, optionally, a polyene selected from non-conjugated dienes and trienes comprising from about 15 to 80 mole percent of ethylene, from about 20 to 85 mole percent of said (C.sub.3 -C.sub.10) alpha-monoolefin and from about 0 to 15 mole percent of said polyene having an average molecular weight ranging from about 5,000 to 500,000, which has been reacted with at least one olefinic carboxylic acid acylating agent to form one or more acylating reaction intermediates characterized by having a carboxylic acid acylating function within their structure and reacting said reaction intermediate with an amino-aromatic compound to form said graft derivatized copolymer, and a lubricating oil composition containing same are provided.

Abstract: An optical glass fiber coated with a protective layer of photocurable polyimide coating which can be prepared from the polymeric condensation product of 6FDA, DMDE, and a photosensitizing moiety. More particularly, the present invention relates to a photocurable polyimide coated glass fiber useful for optic applications.

Abstract: Esters which are substantially non acidic esters of P or S oxyacids, especially phosphite ester antioxidants, are curing catalysts for the moisture curing of silyl polymers such as polyethylene carrying pendant trialkoxysilyl groups. The esters catalyse cross linking without causing significant precure.

Abstract: A method is disclosed for forming emulsion copolymers of (meth)acrolein by:(1) emulsion polymerizing from about 0.1% to about 25%, by weight, based on the total weight of the copolymer, of an acetal derivative of (meth)acrolein with from about 75% to about 99.9% by weight, based on the total weight of the copolymer, of at least one .alpha.,.beta.-ethylenically unsaturated comonomer; and(2) adjusting the pH of the copolymer to less than about 5 to hydrolyze the acetal derivative of (meth)acrolein to (meth)acrolein.The emulsion copolymers of (meth)acrolein formed by the method of the present invention demonstrate performance properties equivalent to those formed by conventional polymerization techniques without the attendant safety and health concerns while handling and transporting the monomer.

Abstract: The anionic polymerization of unsaturated monomers with functionalized initiators having the structure R.sup.1 R.sup.2 R.sup.3 Si--O--A'--Li is improved by selecting A' from the structures --CH.sub.2 --CH.sub.2 --CH.sub.2 --(1,3-propyl), --CH.sub.2 --CH(CH.sub.3)--CH.sub.2 --(2-methyl-1,3-propyl), --CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --(2,2-dimethyl-1,3-propyl), or --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --(1,8-octyl). This narrow class of polymerization initiators operate at surprisingly higher polymerization temperatures with surprisingly lower amounts of dead initiator than similar initiators wherein A' is --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --(1,4-butyl), --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --(1,5-pentyl), or --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 13 CH.sub.2 --(1,6-hexyl).