Abstract: A (meth)acrylic or styryl macromonomer having a amphiphilic polyethyleneimine derivative chain represented by the general formula: ##STR1## and a production process for the monomer, as well as a graft polymer having a amphiphilic polyethyleneimine derivative as the graft chain represented by the general formula: ##STR2## and a production process for the graft copolymer.

Abstract: Continuous process for removing unstable components from crude oxymethylene copolymer, which still contains catalysts, monomeric starting materials and unstable components, by treating the copolymer with deactivators, optionally in the presence of auxiliaries, in a pressure zone, and subsequently removing volatile components in a pressure-release zone in the presence or absence of stabilizers, in which process the crude polymer is fully melted in the absence of the deactivators and auxiliaries immediately after completion of the polymerization step, and the deactivators are subsequently incorporated, alone or together with auxiliaries, under pressure into the resultant polymer melt in at least one pressure zone.By this process, degradation is avoided and significantly better properties are obtained.

Abstract: As-spun fibers from certain spinnable dopes of poly-p-phenylenebenzobisthiazole, poly-p-phenylenebenzobisoxazole, or poly-2,5-benzoxazole and thermoplastic polymers in certain mixed solvents are provided.

Abstract: Linear or multidimensional, crosslinking, solvent resistant oxazole, thiazole, or imidazole (i.e., heterocycle) oligomers and blends of the crosslinking oligomers and noncrosslinking comparable polymers are described. The oligomers are prepared by reacting tetraamines, diaminodiols, or diaminothiols (i.e. four-functional compounds) with poly-carboxylic acid halides, and crosslinking phenylimide end cap monomers in a suitable solvent under an inert atmosphere.

Abstract: Dye-containing polymers wherein the dyes are organic in nature are incorporated into glasses produced by a sol-gel technique. The glasses may be inorganic or organic-modified metal oxide heteropolycondensates. The dye-containing polymers are covalently bonded to the glass through a linking group. The products of this invention can be used to make optically clear colored films which can be employed in the imaging, optical, solar heat energy and related arts.

Abstract: A water-swellable polymer product which may be physically bound to an open celled cellulosic sponge is produced by thermally induced amide-forming insolubilization of polyethyleneimine (PEI). The polymer product has high affinity for the absorption of transition metal ions. A cellulosic sponge containing a high add-on of the polymer product is permeable to water and substantially unaffected by water-borne suspended matter.

Abstract: In electrically conducting polymers in their oxidized (doped) form, which are known per se, the anions can be exchanged in any desired manner, if the polymer in solution is brought into contact with a salt containing the anion to be exchanged and the solution equilibrium is established, taking account of the solubility product of the salts present. In this manner, the properties of the electrically conducting polymers can be adapted to different purposes.

Abstract: A process for fabricating rod-like aromatic heterocyclic polymer-reinforced composite materials into shaped articles which comprises the steps of:(a) dissolving a rigid-rod aromatic heterocyclic polymer and a flexible, coil-like thermoplastic polymer in a common solvent at a concentration less than the critical concentration point of the solution;(b) extruding the solution resulting from step (a) into a liquid bath for removing the solvent;(c) placing the extrudate from step (b), in the liquid-wet state, into a mold, and consolidating the extrudate in the mold to provide a molded article;(d) drying the molded article resulting from step (c); and(e) compression molding the article to provide a fully consolidated, solid article.

Abstract: A product is provided comprised of an open celled sponge of regenerated cellulose containing a polyamide polymer molecularly incorporated into the cellulosic cell wall material of the sponge. The product has the capability of absorbing metal ions from dilute aqueous solutions, and is particularly well suited for the absorption of aurocyanide from a cyanide leach solution as used in gold mining operations.

Abstract: Novel halogen-substituted phthalimides are provided which are the reaction product of a halogenated phthalic anhydride with an alkoxylated amine or the reaction product of a halogenated phthalic anhydride with a siloxy amine. The halogen-substituted phthalimides are useful in increasing the flame retardancy of thermoplastic and thermosetting resins, and are also effective as processing aids in improving the flowability and moldability of thermoplastic resins during melt processing.

Abstract: A coating composition for a plastics substrate such as a polyester film, comprises a polymeric amine, a polyepoxyresin and an etchant, and optionally includes a vinyl polymer. The composition is of utility as a priming medium in the production of photographic and reprographic elements, printing plates, inkable sheets, and the like.

Abstract: A process for producing a thermoset resin, which comprises reacting (A) an organic compound containing at least two groups selected from the class consisting of alcoholic hydroxyl groups, aromatic amino groups and aromatic aminomethyl groups, and (B) a poly(cyclic iminoether) in the presence of (C) a compound acting as an acid catalyst, at an elevated temperature.

Abstract: An acryl type macromonomer having a polyethyleneimine derivative chain represented by the general formula: ##STR1## where R.sub.1 represents H or CH.sub.3, R.sub.2 represents H or (substituted) alkyl or aryl group, R.sub.3 represents H or (substituted) alkyl group, X represents O or NR.sub.4, R.sub.4 represents H or alkyl or aryl group and n represents an integer from 1 to 1000, or a graft polymer having the polyethyleneimine derivative chain as a graft chain. The macromonomer can be obtained by reacting the compound of the general formula: ##STR2## where R.sub.2 represents H or (substituted) alkyl or aryl group, R.sub.3 represents H or (substituted) alkyl group, Y represents OH or NHR.sub.4, R.sub.

Abstract: A process for producing a thermoset resin, which comprises reacting (A) an organic compound containing at least two groups selected from the class consisting of alcoholic hydroxyl groups, aromatic amino groups and aromatic aminomethyl groups, and (B) a poly(cyclic iminoether) in the presence of (C) a compound acting as an acid catalyst, at an elevated temperature.

Abstract: Partially hydrolyzed, poly(N-acyl alkylenimines), and novel nitrogen-substituted derivatives thereof, provide useful and improved personal care compositions and processes.

Abstract: A film of an electrically conductive polymer consists of(A) a layer I which is treated on one side with an aqueous acid and contains incorporated counterions and whose thickness is 1-60% of the total thickness of the film, and(B) an electrochemically reversible oxidizable layer II whose thickness is 40-99% of the total thickness of the film.

Abstract: A coating composition for a plastics substrate such as a polyester film, comprising a polymeric amine, a polyepoxyresin and an etchant, and optionally includes a vinyl polymer. The composition is of utility as a priming medium in the production of photographic and reprographic elements, printing plates, inkable sheets, and the like.

Abstract: A homogenous blend is formed of different water soluble polymer types, for instance of particular addition and condensation polymers, by forming one of the polymers from its monomeric starting material by polymerisation in a solution of the other polyer. The resultant solution has a concentration of above 10% but is homogenous. It can be used as a bulk solution or can be dried to powder or can be present as a reverse phase dispersion.

Abstract: (1) Curable bisimide resins comprise a mixture of(a) 5 to 95% of at least one bisimide of the general formula I ##STR1## in which B represents a divalent radical containing a carbon-carbon double bond and A is a divalent radical containing at least two carbon atoms and(b) 95 to 5% of a polyhydantoin polymer of formula II ##STR2## wherein R.sub.1 represents an aromatic hydrocarbon radical, R.sub.2 represents hydrogen or an alkyl group having 1 to 6 carbon atoms, R.sub.3 represents an aromatic hydrocarbon radical, an alkyl radical having 4 to 10 carbon atoms optionally interrupted by one or more oxygen or sulphur atoms, and X is an integer of from 20 to 5000.

Abstract: A method for supporting metalloporphyrins on polybenzimidazole articles is disclosed herein. Microporous polybenzimidazole articles are treated with a strong base to produce an anionized polybenzimidazole article. A metalloporphyrin salt is dissolved in a solvent and is mixed with the anionized polybenzimidazole article to produce a microporous polybenzimidazole metalloporphyrin complex. This compound can be used in the selective oxidation of alkanes, olefins and aromatic compounds and is quite useful in the separation of oxygen from a gas stream. An alternative method of forming this complex by mixing directly the polybenzimidazole particulate with a weak metalloporphyrin salt without the use of a strong base results in lower percentages of substitution then does the principal method.

Abstract: A polyarylene sulfide resin composition with an improved moldability and heat resistance is provided which comprises (a) 40 to 99% by weight of a polyarylene sulfide resin and (b) 1 to 60% by weight of a polyparabanic acid having the following recurring unit: ##STR1## wherein Z and Z.sup.1 are oxygen atoms or NH group, Z and Z.sup.1 being not simultaneously NH groups, and R is ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are hydrogen atoms or methyl groups, and X and X.sup.1 are bonds, CH.sub.2 groups, oxygen atoms, sulfur atoms, SO.sub.

Abstract: There is provided a novel product having the formula: ##STR1## where "polymer" is an amine functional polymer, such as amine terminated polyethylene imine, amine terminated polyalkylene glycols, amine terminated anilineformaldehyde, amine terminated nylons, amine functional silicones; R.sup.1, R.sup.2, and R.sup.3 are C.sub.1 -C.sub.8 monovalent hydrocarbyl radicals, m is 1 to 3 and n is 1 to 10.

Abstract: The invention relates to compositions of a soluble polyimide and polypyrrole. These compositions can preferably be prepared by anodic oxidation of pyrrole or a pyrrole derivative at electrodes coated with polyimide. They make it possible to prepare free standing electrically conductive films.

Abstract: Miscible blends of solids, non-crosslinked polymers are disclosed. The blends comprise from 2 to 95 parts by weight of a water-insoluble, hydrophobic polymer and, correspondingly from 98 to 5 parts by weight of a hydrophilic polymer. The blends are capable of absorbing at least their own weight in water.

Abstract: Novel light stabilizers, heat stabilizers and oxidation stabilizers for synthetic polymers have been synthesized; these are of the formula: ##STR1## in which R.sub.3 and R.sub.4 can be identical or different and are radicals of formula (III), (IV), (V), (VI) ##STR2## and R.sub.5 additionally can be a radical of formula VII ##STR3## and R.sub.4 is C.sub.2 -C.sub.

Abstract: Polyether resins containing aralkoxy end groups and 100 to 10 mol % of the repeating structural unit of formula II ##STR1## and 90 to 0 mol % of the repeating structural unit of formula III ##STR2## in which formulae A is an unsubstituted or substituted aliphatic radical, X is a bridge member and Y is a radical of a divalent phenol are self-crosslinkable, affording products which are insoluble in organic solvents and which have high glass transition temperatures.

Abstract: An intimate mixture comprising (A) a substantially linear aromatic polyazole and (B) a sparingly crystallizable aromatic copolyamide having a glass transition temperature of at least 200.degree. C. and a flow initiation temperature of not more than 500.degree. C. in such proportions represented by A/(A+B)=0.15-0.70 by weight, and a process for producing the intimate mixture, which comprises dissolving the aromatic polyazole (A) and the aromatic copolyamide (B) in a weight ratio represented by A/(A+B)=0.15-0.70 in a common solvent, and forming an intimate mixture of the aromatic polyazole (A) and the aromatic copolyamide (B) from the solution using a coagulating agent.

Abstract: A poly(triazolinethione) is prepared by a process comprising the steps:(a) providing a poly(acylthiosemicarbazide),(b) cyclodehydrating the poly(acylthiosemicarbazide) by subjecting it to an elevated temperature in the presence of an aqueous alkaline solution to form a polyanion of a poly(triazolinethione),(c) treating the polyanion of the poly(triazolinethione) with aqueous acid solution to provide the poly(triazolinethione), and(d) isolating the resulting poly(triazolinethione).

Abstract: A resinous composition is composed of the ungelled reaction product of(i) a diester of oxalic acid;(ii) a material containing one or more primary and/or secondary amino groups and one or more additional functional groups; and(iii) a material capable of coreacting with (i) or (ii).The resinous composition is useful in formulating intumescent fire protective compositions for fire protection of substrates.

Abstract: A branched chain polyalkylenepolyamine ("PAPA") amine having plural amine groups including a secondary amine group intermediate terminal primary amine groups and having at least two carbon atoms between each amine group, is reductively alkylated with a ketone to provide a PAPA alkylated only at an unhindered primary amine group. A preselected degree of steric hindrance at amine groups near each end of the chain enables cyclization by the `ketoform synthesis` by reaction with a ketone in such a manner as to form a polysubstituted piperazinone ("PSP") ring which includes N atoms of proximate primary and secondary amine groups of the alkylated PAPA. The PSP so formed may then be reacted with a reactive triazine ring so that a PSP substituent is linked to the triazine ring through a single N atom and at least two C atoms, to form a 2-oxo-piperazinyl-triazine ("PIP-T"). Oligomers of the PIP-T may be prepared.

Abstract: Water-insoluble proton-conducting polymers which may be formed into membranes which are used in gas separation or gas sensing processes comprise an interpenetrating polymer network. This IPN is formed from the interaction between a host polymer and a guest polymer which is subsequently cross-linked or cured. The host polymer blend is formed from a phosphoric acid or sulfuric acid and a polymer or copolymer of a compound which possesses repeat units such as, for example, hydroxy ethylene, vinyl sulfonic acid, ethylene imine, etc, while the guest polymer is formed from a monofunctional monomer such as methacrylic acid and a difunctional cross-linking agent such as methylenebisacrylamide.

Abstract: Compositions based on polypyrrole are described having incorporated therein a polymer component having one or more segments wherein at least one segment is elastomeric. The polymer component is present in an amount of at least about 10 weight percent of the polypyrrole present. The compositions exhibit improved processing properties over those of polypyrrole. Also described is a process for producing the compositions in which a pyrrole compound is electrochemically polymerized in the presence of an at least partially dissolved polymer component having one or more segments wherein at least one segment is elastomeric.

Abstract: Novel light stabilizers, heat stabilizers and oxidation stabilizers for synthetic polymers have been synthesized; these are of the formula: ##STR1## in which R.sub.3 and R.sub.5 can be identical or different and are radicals of formula (III), (IV), (V), (VI) ##STR2## and R.sub.5 additionally can be a radical of formula VII ##STR3## and R.sub.4 is C.sub.2 -C.sub.

Abstract: A process for absorbing polar materials using a crosslinked polymeric composition such as poly-2-ethyloxazoline and ethyleneamine tetracetic acid. The crosslinked polymeric composition swells into a gel-like mass in the presence of polar materials to entrap them.

Abstract: Thermosettable prepolymers are prepared by reacting (A) a heterocyclic material containing one or more rings and one nitrogen atom or a mixture of such materials wherein at least one of such materials contains at least two reactive substituent groups having at least one reactive hydrogen atom attached to a carbon atom which is attached to the ring such as 2,4,6-trimethyl pyridine; with (B) a cycloaliphatic or aromatic carboxylic acid mono- or dianhydride such as phthalic anhydride. These prepolymers or resins, can be homopolymerized without coreactants or copolymerized with N,N'-bis-imides such as 1,1'-(methylenedi-4,1-phenylene)bismaleimide, to produce products, mat castings or composites having good mechanical and thermal properties.

Abstract: A novel chelate resin is produced by causing a 2-hydroxybenzoic acid derivative to react upon a high molecular compound, i.e. a cross-linked polyethyleneimine or a cross-linked polyethyleneimine derivative, thereby linking a 2-hydroxybenzoyl group to the nitrogen atom in the imine chain of the high molecular compound. This chelate resin is capable of collecting, by adsorption and at high efficiency, such a metal as uranium dissolved in a trace amount in water.

Abstract: Water-soluble zwitterionic compounds having clay soil removal/anti-redeposition properties. The zwitterionic compounds are selected from monozwitterionic compounds, dizwitterionic compounds, polyzwitterionic compounds, and zwitterionic polymers. These zwitterionic compounds are useful in detergent compositions at from about 0.05 to about 95% by weight. In addition to the zwitterionic compounds, the detergent compositions further comprise from about 1 to about 75% by weight of a nonionic, anionic, ampholytic, zwitterionic, or cationic detergent surfactant or mixture thereof.

Abstract: Compositions based on polythiophene are described having incorporated therein a polyether, such as polytetrahydrofuran. The polyether is present in an amount of at least about 10 weight percent of the polythiophene present. The compositions exhibit improved mechanical integrity, processing properties, and d.c. electrical conductivity over polythiophene. A process for producing the compositions is also described in which a thiophene compound is electrochemically polymerized in the presence of a dissolved polyether.

Abstract: Thermosettable prepolymers or polymers are prepared by reacting (A) the reaction product of (1) a heterocyclic material having one or more rings, at least one nitrogen atom and at least two substituent groups which have at least one reactive hydrogen atom attached to a carbon atom which is attached to a heterocyclic ring such as 2,3,5,6-tetramethylpyrazine; (2) a cycloaliphatic or aromatic carboxylic acid mono- or dianhydride such as pyromellitic dianhydride; and (3) a material containing a polymerizable ethylenically unsaturated group and at least one group selected from (a) a heterocyclic material having one or more rings; at least one nitrogen atom and at least one substituent group which has at least one reactive hydrogen atom attached to a carbon atom which is attached to a heterocyclic ring such as 2-methyl-5-vinyl pyridine or (b) a cycloaliphatic or aromatic carboxylic acid mono- or dianhydride group such as cis-5-norbornene-endo-2,3-dicarboxylic anhydride; with (B) an aqueous or alcoholic solution of

Abstract: A dispersion of finely divided particles of a magnetic material in an organic liquid containing a dispersant comprising an amine carrying a poly(carbonylalkyleneoxy) chain (PCAO chain) in which the alkylene groups contain up to 8 carbon atoms, or an acid-salt thereof. The dispersion is useful for the preparation of magnetic recording media such as video, audio and computer recording tapes and discs. Certain of the dispersants are novel, especially a polyethyleneimine carrying at least two PCAO chains.

Abstract: Compositions based on polypyrrole are described having incorporated therein a polyether, such as polytetrahydrofuran. The polyether is present in an amount of at least about 10 weight percent of the polypyrrole present. The compositions exhibit improved processing properties over these of polypyrrole. A process for producing the compositions is also described in which a pyrrole compound is electrochemically polymerized in the presence of a dissolved polyether.

Abstract: Curable compositions are provided comprising epoxide prepolymers and polyaminobenzoates, alone, or combined with reinforcements, e.g., graphite fibers, and, optionally modified with second resins. The cured fiber resin matrix compositions exhibit high toughness combined with excellent hot/wet strength.

Abstract: Polymeric molecular composites at the molecular level that are analogous to chopped fiber composite comprising reinforcing rigid rod heterocyclic polymer dispersed in a thermoplastic polymer matrix are disclosed. A process for the preparation thereof and laminates comprised of plies of these composites are also disclosed.

Abstract: A poly(triazolinethione) is prepared by a process comprising the steps:(a) providing a poly(acylthiosemicarbazide),(b) cyclodehydrating the poly(acylthiosemicarbazide) by subjecting it to an elevated temperature in the presence of an aqueous alkaline solution to form a polyanion of a poly(triazolinethione),(c) treating the polyanion of the poly(triazolinethione) with aqueous acid solution to provide the poly(triazolinethione), and(d) isolating the resulting poly(triazolinethione).

Abstract: The present invention is directed to a high molecular weight, water soluble polymer product of polyethyleneimine, said product is formed by reacting a linear polyethylenimine with formaldehyde and a polyvinyl alcohol. The resultant product is useful as an improved drainage and retention aid in papermaking processes.

Abstract: Bis(dicarboxyphenyl) sulfone compounds, including the free tetracarboxylic acids and their functional derivatives such as salts, esters, amides, anhydrides and imides, are prepared by oxidizing the corresponding sulfides with a relatively strong oxidizing agent, preferably a peroxy reagent such as acetyl peroxide or m-chloroperbenzoic acid. The reaction is especially useful for the preparation of sulfone polyimides, since films of the sulfide polyimides may be oxidized without dissolving or otherwise degrading their structural integrity.

Abstract: A process for crosslinking a polymer containing a plurality of secondary amine moieties involves contacting said polymer with a phenothiazinium compound under conditions sufficient to provide a polymer crosslinked through said amine moieties. The crosslinked polymers are useful as anion exchange resins.

Abstract: The long-term stability of the electrical conductivity of pyrrole polymers is improved by a process in which the polymers are treated with an aqueous alkali metal hydroxide solution. Pyrrole polymers treated in this manner are used as electrical conductor elements or resistive films.

Abstract: Polyalkylene imines containing 2-hydroxypropyltrimethylammonium salt side chains are obtained by reaction between alkylene imine polymers and copolymers and a glycidyltrimethylammonium salt. These polymers are very effective flocculants, particularly in the area of water clarification. They are obtained from a variety of sources, e.g. by modification of either commercial polyethylene imines or polymers derived from oxazolines, and oxazinolines, from the polymerization of aziridine monomers or from the condensation of a low molecular weight polyamine and a dihaloalkane.

Abstract: This invention relates to a chemical method of forming an electrically conductive polymer blend which comprises impregnating a non-porous, swellable or soluble host polymer with:(a) one or more cyclic compounds selected from the group consisting of pyrrole, aniline and substituted analogues of said group members, and(b) at least one chemical oxidant selected from the group consisting of trivalent compounds, tetravalent cerium compounds, hexavalent molybdenum, tungsten or chromium compounds, divalent copper compounds, monovalent silver compounds, nitrites, quinones, peroxides and peracids, said oxidant being dissolved in a solvent capable of swelling or solubilizing said host polymer.