Abstract: A process for preparing a graft copolymers is provided comprising exposing a polymeric base material to a dose of ionizing radiation, and then contacting the irradiated base material with a microemulsion comprising at least one fluorostyrenic monomer, water and water-miscible solvent. The graft copolymer may be formed into a membrane, including ion exchange membranes.

Abstract: A process for the preparation of a reaction product (A), which comprises the following stage (i): (i) Reaction, under free radical conditions, of a reaction mixture comprising at least one monomer (a), capable of free radical reaction in the presence of at least one free radical initiator and a compound of the formula (I)  where R1 to R4, independently of one another, are each hydrogen, an alkyl radical, cycloalkyl radical or aralkyl radical, each of which is unsubstituted or substituted, an unsubstituted or substituted aromatic hydrocarbon radical, with the proviso that at least two of the radicals R1 to R4 are an unsubstituted or substituted aromatic hydrocarbon radical, or R1 and R2 or R3 and R4, in each case in pairs, are a substituted or unsubstituted aromatic hydrocarbon having 6 to 18 carbon atoms and a functional group which, in conjugation with the C—C double bond in the formula I, has a multiple bond between a carbon atom and a heteroatom, 10% by weight or less of wate

Abstract: The polarizing plate protection film of the present invention has excellent adhesion with the polarizer because of the polyurethane resin layer formed on the thermoplastic saturated norbornene-type resin film. In addition, blocking of the protection film can be prevented by the PVA layer formed on the polyurethane resin layer. The polarizing plate using the protection film of the present invention is excellent in terms of durability under high temperature and high humidity conditions, and it is suitably used for liquid crystal displays and such.

Abstract: A resin which has excellent adhesion to nonpolar substrates, is nontacky, and has satisfactory solubility in aromatic or nonaromatic solvents and satisfactory compatibility with other resins. The resin is a modified polyolefin resin having a weight-average molecular weight of 15,000 to 150,000 obtained by modifying a polyolefin resin by grafting thereto (A) an unsaturated polycarboxylic acid or a derivative thereof and (B) a (meth)acrylic ester represented by a specific general formula, the contents of (A) and (B) in the modified polyolefin resin being 0.1 to 20 wt. % and 0.1 to 30 wt. %, respectively.

Abstract: The invention relates to a method in connection with processing polymer or elastomer material, wherein additive is added to the polymer or elastomer material, and the additive is subjected to the desired chemical reaction. To minimize energy consumption, infrared radiation is led to the polymer or elastomer material, the wavelength of the radiation being so chosen that the radiation penetrates optimally the polymer or elastomer material, but absorbs in the additive, producing the desired reaction in the additive.

Abstract: The invention relates to mixtures of preferably from 80 to 99.9% by weight, based on the mixture, of a solution S1 comprising one or more polyamidocarboxylic acids and preferably from 0.1 to 20% by weight, based on the mixture, of a solution S2 comprising one or more, preferably primary, diamines and one or more tetracarboxylic acid diesters, processes for producing polyimide coatings using such mixtures, the use of such mixtures for producing polyimide coatings, and also polyamide-coated articles obtainable using such mixtures.

Abstract: Copolyether ester elastomers are provided which contain epoxide compounds. The compositions show improved bloom resistance in the presence of diamines with minimum increase in melt viscosity. Also disclosed are methods to improve appearance and eliminate bloom from finished products comprising thermoplastic copolyesters by lowering the level of acid terminated oligomers in the thermoplastic copolyesters with epoxide compounds.

Abstract: Disclosed herein is a novel physical form of low molecular weight poly(trimethylene terephthalate). This form may be produced from molten low molecular weight poly(trimethylene terephthalate) material by means of rapid heat transfer from the material. The poly(trimethylene terephthalate) composition is suitable for use as a starting material for solid-state polymerization in order to produce polymers of higher molecular weight.

Abstract: The present invention relates to a process comprising polymerizing repeat units derived from an acid component comprising terephthalic acid and naphthalenedicarboxylic acid and at least one glycol in the presence of less than about 10 ppm sodium carbonate and between about 10 and about 60 ppm phosphorus. Polyesters formed via the process of the present invention display surprisingly good clarity and color.

Abstract: This invention relates to a polyester composition comprising:(A) 95 to 99.90% by weight of a polyester comprising from about 85 to 100 mole % of 2,6-naphthalenedicarboxylic acid and 85 to 100 mole % of at least one aliphatic glycol having from 2 to 16 carbon atoms, based on the total mole percentage for the glycol portion and for the acid portion of said polyester each equalling 100 mole %, and(B) 0.1 to 5.0% by weight of one or more polymeric carbodiimides.These polyester compositions result in improved hydrolytic stability in end products such as fiber, monofilament, films, thermoformed articles, containers and sheeting based on naphthalenedicarboxylic acid and ethylene glycol.

Abstract: A method wherein polyesters are prepared under mild conditions by directly condensing hydroxycarboxylic acids or mixtures of polyfunctional alcohols and carboxylic acids in hydrophobic media using heterogeneous catalysts that can form a hydrophilic phase. The systems are inverse emulsions, inverse microemulsions and solid-in-liquid dispersions.

Abstract: A resin composition useful as a binder is provided comprising a mixture of a formaldehyde-based resin with a resin substitute comprising the reaction product of an amine derivative chosen from melamine, glycolurile or their mixtures with 1 to 2 moles of a C.sub.1 to C.sub.8 dialkoxyethanal, the reaction product is mixed, preferably reacted, with a polyol.

Abstract: A fluorescent complex polymer with fluorescent organometallic complexes connected by organic chain spacers is utilized in the fabrication of light emitting devices on a substantially transparent planar substrate by depositing a first conductive layer having p-type conductivity on the planar surface of the substrate, depositing a layer of a hole transporting and electron blocking material on the first conductive layer, depositing a layer of the fluorescent complex polymer on the layer of hole transporting and electron blocking material as an electron transporting emissive layer and depositing a second conductive layer having n-type conductivity on the layer of fluorescent complex polymer.

Abstract: The present invention relates to polyesters which are particularly suitable in coating compositions which are sprayed with compressed fluids which act as viscosity reducing diluents.

Abstract: Macrocyclic poly(alkylene dicarboxylate) oligomers are prepared by the reaction of a dicarboxylic acid chloride such as terephthaloyl chloride with at least one bis(hydroxyalkyl) ester such as bis(4-hydroxybutyl) terephthalate, in the presence of a Lewis acid as catalyst. Illustrative Lewis acids are ferric chloride, zinc chloride, zinc bromide, stannous bromide and antimony pentachloride.

Abstract: The present invention relates to plastics that can be obtained by reacting unsaturated and/or hydroxyl-group-containing fatty acids or their esters or mixtures of various such fatty acids and esters with bifunctional ester-forming and/or amide-forming compounds and, if necessary, subsequently converting ethylenic double bonds, to give difatty acid diamides, difatty acid diesters, difatty acid amide esters, monofatty acid amide amines or monofatty acid amide alcohols as monomer components which contain at least two reactive groups suited for linkage to give polymers, in particular ethylenic double bonds, hydroxyl groups, epoxy groups or amino groups, and by linking the said compounds in the known way via a second group of bifunctional compounds that are capable of reacting with these free reactive groups to give the desired plastics.

Abstract: A hollow article or sheet of a copolyester which comprises, as main components, terephthalic acid as a dicarboxylic acid component and ethylene glycol as a diol component and which is characterized by:(1) isophthalic acid as a dicarboxylic acid component being from 0.5 to 3.0 mol %,(2) diethylene glycol as a diol component being from 1.0 to 2.5 mol %,(3) the intrinsic viscosity being from 0.60 to 1.50 dl/g,(4) the concentration of terminal carboxyl groups being at most 18 eq/ton, and(5) the content of a cyclic trimer being at most 0.40% by weight.

Abstract: The reaction of less than the stoichiometric amount of a methoxymethyl aminotriazine with a linear, hydroxyl-terminated polyester in a mixture of the two wherein the polyester to triazine ratio is from about 97:3 to about 70:30 by weight affords a storage stable coating powder which forms an attractive, pin hole-free film when fused on a substrate at thicknesses of from about 3.9 to about 6.8 mils.

Abstract: A modified polyester resin is the reaction product of:(A) an acid component mainly comprised of terephthalic acid, 2,6-naphthalene dicarboxylic acid or a lower alcohol ester thereof,(B) a diol component mainly comprising an alkylene glycol having 2 to 8 carbon atoms, and(C) an aromatic sulfonic acid compound of the following general formula (1):HO(RO).sub.n --Ar--SO.sub.3 M (1)where Ar represents a benzene or naphthale ring, n represents an integer from 1 to 10, R represents a group selected from among alkylenes having 2 or 3 carbon atoms and when n is 2 or more, R may be the same as or different from one another, and M represents an alkali metal selected from lithium, sodium and potassium. The modified polyester resin also satisfies the following formulas (2) and (3):0.25.ltoreq.x.ltoreq.100 (meq/kg) (2)2.ltoreq.(x/CEG).times.100.ltoreq.

Abstract: Disclosed herein is a process for the production of polyester which involves heating a polymerizable monomer or oligomer in an inert liquid which does not dissolve or swell the monomer, oligomer, or polyester product, while boiling the inert liquid and codistilling the low molecular weight byproduct of the polymerization.