Abstract: This invention relates to new highly fluid polyarylene sulphide-(PAS)-moulding compounds, preferably polyphenylene sulphide-(PPS)-moulding compounds containing low molecular weight, liquid crystalline ester(amide)s.

Abstract: The present invention relates to an electrically conductive resin composition used as sheilding materials against electromagnetic radiation and antistatic or static dissipative materials, having a stable electro-conductivity.Therefore, the resin composition according to the invention comprises a matrix resin blended with metal fibers and zinc whiskers in a tetrapod shape as shown in FIG. 1.

Abstract: The present invention includes solid polymeric-host laser rods prepared using bulk polymerization of acrylic acid ester comonomers which, when admixed with dye(s) capable of supporting laser oscillation and polymerized with a free radical initiator under mild thermal conditions, produce a solid product having the preferred properties for efficient lasing. Unsaturated polymerizable laser dyes can also be employed as one of the comonomers. Additionally, a method is disclosed which alleviates induced optical stress without having to anneal the polymers at elevated temperatures (>85.degree. C.).

Abstract: Provided is a resin composition for sliding movement, comprising (a) 90-30% by weight of a thermotropic liquid crystalline polymer which is a (co)polymer containing at least a monomer unit represented by the following formula and (b) 10-70% by weight of a spherical glassy carbon characterized by a particle fracture surface having a glassy luster and exhibiting a loss in weight of not more than 5% by weight when held in air at 350.degree. C.

Abstract: A resin molding having a very improved electric conductivity is obtained by the steps of mixing with a resin a complex of a polyether and an electrolyte salt soluble in the polyether and then molding the mixture. The polyether is selected from the group consisting of alkylene oxide polymers and copolymers, preferably selected from the group consisting of polymers of an alkylene oxide having not less than 4 carbon atoms and block or random alkylene oxide copolymers containing not less than 10 weight % of at least one alkylene oxide unit having not less than 4 carbon atoms.

Abstract: A thermally curable polymer thick film compositions comprising, by weight:(a) about 3--15 parts of at least one poly(hydroxystyrene) resin;(b) a crosslinking resin selected from the group consisting of:(i) about 5-25 parts of at least one blocked isocyanate resin; or(ii) about 2-10 parts of at least one melamineformaldehyde resin;(c) an effective amount of at least one organic solvent capable of substantially dissolving (a) and (b) ingredients;(d) conductive particulate matter selected from the group consisting of:(i) about 50-80 parts silver flake;(ii) a graphite/carbon black mixture consisting of:(aa) about 15-45 parts graphite; and(bb) about 1-10 parts carbon black; or(iii) a mixture of (i) and (ii).

Abstract: Polyetheresters (P) of average molecular weight M.sub.w in the range of 1200 to 500,000, which are obtainable by polycondensation of the starting materials indicated in the claims, are suitable at finishing agents for fibrous material to which they confer hydrophilic and also antistatic and anti-soiling properties; they may be formulated to storage-stable liquid compositions.

Abstract: This invention relates to thermotropic liquid crystalline polyester compositions containing recurring units derived from hydroquinone, 4-4'-dihydroxybiphenyl, terephthalic acid, 2,6-naphthalenedicarboxylic acid, and 4-hydroxybenzoic acid which are characterized as having melting points less than 365.degree. C., breaking elongations greater than or equal to 1.5%, and heat distortion temperatures greater than 200.degree. C.This invention further relates to the same compositions containing 20 to 40 weight percent of at least one glass reinforcing/filling agent and which are characterized as having melting points less than 365.degree. C., breaking elongations greater than or equal to 2.0%, and heat distortion temperatures greater than 230.degree. C.The compositions are useful as films, fibers, and shaped or molded articles.

Abstract: An anti-nitriding composition comprising a water-based alkyd resin having suspended therein particulate tin and titanium dioxide; a thixotropic agent maintains the particulates in suspension during storage and application; the composition includes surfactant and co-solvent to impart paint-like characteristics. The composition is suitable for use as a local shield during the heat treatment of metals to prevent nitriding or ferritic nitro-carburization at temperatures in the range of about 850.degree. F. to about 1150.degree. F. The water-based formulation is safe to use and to transport, and has an air drying time at normal working temperatures comparable to those drying times previously achievable only with organic-solvent based anti-nitriding compositions.

Abstract: A photochromic article having improved pohotochromic equilibrium response is described. In particular, a phtochromic compound is incorporation into or applied to an article, e.g., matrix, of a synthetic organic resin prepared from a composition comprising from about 55 to about 90 weight percent of a polyol(allyl carbonate), e.g., diethylene glycol bis(allyl carbonate), from about 10 to about 40 weight percent of an aliphatic polyurethane having terminal ethylenic unsaturation, e.g., an aliphatic polyesterurethane diacrylate, and from about 0 to about 5 weight percent of a difunctional monomer selected from the group consisting of allyl methacrylate and allyl acrylate. Such photochromic articles have an improved photochromic equilibrium response at ambient temperatures compared to the response of a comparable photochromic article prepared from a polyol(allyl carbonate) homopolymer, e.g., homopolymers of diethylene glycol bis(allyl carbonate), at the same ambient temperatures.

Abstract: Multicomponent polymeric compositions comprising self-prontonated sulfonic acid-substituted polyaniline compositions or derivatives thereof and at least one insulating polymer are disclosed. The sulfonated polyaniline compositions have faster electronic and optical responses to electrochemical potentials, improved environmental stability, and improved solubility than the parent polymer, polyaniline. The multicomponent sulfonated polyaniline/insulating polymer compositions are useful in electronic, chemical, electrochemical, and optical microelectric applications which use and control the chemical and physical properties of the sulfonated polyaniline compositions.

Abstract: A synthetic resin composition comprising 100 parts by weight of a synthetic resin, from 2 to 900 parts by weight of an inorganic filler, and from 0.02 to 20 parts by weight of a copolymer of a compound represented by formula (1) and maleic anhydride, maleic acid, a maleic acid salt or a maleic acid ester; ##STR1## wherein Z is a residue of a compound having from 2 to 8 hydroxyl groups; AO is an oxyalkylene group having from 2 to 18 carbon atoms; R.sup.1 is an unsaturated hydrocarbon group having from 2 to 5 carbon atoms; R.sup.2 is a hydrocarbon or acyl group having from 1 to 40 carbon; a is from 0 to 1,000, b is from 0 to 1,000, c is from 0 to 1,000, l is an integer of from 1 to 8, m is an integer of from 0 to 2, and n is an integer of from 0 to 7, l+m+n=2 to 8, al+bm+cn=1 to 1,000, and n/(l+n).ltoreq.1/3.

Abstract: The invention relates to new, free-flowing polyamide molding compounds and blends, characterized in that they are prepared by mixing of polyamides known per se in the melt with low molecular weight, liquid-crystalline esters and/or ester amides corresponding to formula (I) and/or liquid-crystalline, oligomeric esters and/or ester amides corresponding to formula (II) and, optionally, other additives, at least one polymeric blending component being used as a further additive in the case of polyamide blends, and to the use of these liquid-crystalline (LC) additives I and/or II as flow promoters in polyamide molding compounds and blends and to a process for the production of the new polyamide molding compounds and blends. The invention also relates to the new oligomeric esters and/or ester amides corresponding to formula (II).

Abstract: Non-miscible ternary blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with lesser amounts of mineral fillers and polyether esteramide polymers.

Abstract: Blends of aromatic polycarbonate, alkylnaphthalene-formaldehyde condensation product and an impact modifier produce easy-flow, tough, stiff thermoplastics. The thermoplastics can be used to injection mold thin-walled housings for electronic circuits.

Abstract: Molded articles prepared from flexible sheet molding compounds, and method of making the same. A flexibility modifying agent is incorporated into a thermoset resin composition (e.g. sheet molding compound) to improve the flexiblity characteristics of the thermoset resin compositon by lowering the flexural modulus. The thermoset resin composition also contains therein an isocyanate terminated urethane prepolymer; a thickening agent; a catalyst; a fibrous reinforcing material; and an inert filler.

Abstract: A promoter for bonding between a rubber and a steel cord, which is represented by the following general formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 may be the same or different from one another and each represents a monocarboxylic radical bonded to the adjacent Co atom through the oxygen atom which is adjacent to the carbonyl group in said monocarboxylic radical; a rubber composition containing the bonding promoter, and rubber products made from the rubber composition.

Abstract: Fluorochemical oxazolidinone compositions are provided. They are normally solid, water-insoluble, fluoroaliphatic radical-containing 2-oxazolidinone compounds which have one or more 2-oxazolidinone moieties, at least one of which has a monovalent fluoroaliphatic radical bonded to the 5-position carbon atom thereof by an organic linking group.

Abstract: The present invention relates to a novel copolymerized composition characterized in that it comprises (A) 100 parts by weight of a copolymerized polyester containing (a) an aromatic dicarboxylic acid unit composed mainly of a terephthalic acid unit, (b) a glycol unit composed mainly of an ethylene glycol unit, (c) a polytetramethylene glycol unit, (d) a polyethylene glycol unit and (e) an aliphatic dicarboxylic acid unit having 9 or more carbon atoms, (B) 5 to 150 parts by weight of a reinforcing substance and (C) 1 to 10 parts by weight of a metal salt of an ionic copolymer.The copolymerized polyester compositions of the present invention retain excellent heat resistance and rigidity that the glass fiber-reinforced polyethylene terephthalate compositions possess originally and are considerably improved in terms of low-temperature moldability, toughness, alkali resistance and like other factors.

Abstract: The present invention provides methods for treating reclaimed sand obtained from dismantled foundry molds and cores which contain residue from a cured binder of an ester-cured alkaline phenolic resin. Treatment of the reclaimed sand with a silane solution containing one or more amines, particularly an aqueous solution containing a silane and one or more amines, enhances the tensile strengths of foundry molds and cores produced therefrom relative to those obtained with untreated reclaimed sand. Methods for producing foundry cores and molds which incorporate such a treatment process are also provided by this invention, as are raw batch formulations.