Abstract: Polymeric compositions having a high dielectric constant are made from a thermotropic liquid crystalline and a ceramic having a dielectric constant which is greater than about 50 at a frequency of 1.0 GHz. The compositions have a dielectric constant of at least about 4, and preferably at least about 6. Preferred compositions also have a low loss tangent.

Abstract: A polyester film made from a polymer having ethylene glycol moieties, isosorbide moieties and terepthaloyl moieties, and the method of making the film is described. The polyester film is used to form articles such as films, lacquers, labels, capacitors, insulators, and the like, and has an inherent viscosity of at least 0.35 dL/g when measured as a 1% (weight/volume) solution of the polyester in o-chlorophenol at a temperature of 25.degree. C.

Abstract: Polylactide or polyglycolide graft copolymers, prepared with grafts comprising up to 40% by total polymer weight, but not 0%, of glycolide or the D- or L-isomer of lactide in an enantiomeric excess of 84% on a saturated polymer backbone, are suitable for use as the thermoplastic elastomeric component of hot melt adhesives.

Abstract: The present invention relates to a process for separating polyhydroxyalkanoate from a biomass, the process comprising extracting the polyhydroxyalkanoate with at least one PHA solvent selected from the group consisting of acetone, acetonitrile, benzene, butyl acetate, butyl propionate, .beta.-butyrolactone, .gamma.-butyrolactone, diethyl carbonate, diethylformamide, dimethyl carbonate, dimethyl succinate, dimethyl sulfoxide, dimethylformamide, ethyl acetate, ethylene glycol diacetate, methyl acetate, methyl ethyl ketone, 1,4-dioxane, tetrahydrofuran, toluene, xylene, and mixtures thereof.

Abstract: The present invention relates to polyesters formed by reacting components comprising: (a) from about 20 to about 45 mol% of a diol; (b) from about 4 to about 25 mol% of a polyol; (c) from about 5 to about 25 mol% of a diacid; (d) up to 6 mol% of an ethylenically unsaturated anhydride; and (e) from about 35 to about 45 mol% of a monofunctional fatty acid, where all mole percentages are based on the total mols of (a), (b), (c), (d) and (e). Further, the present invention is directed to liquid enamel compositions comprising: (1) from about 50 to about 90 wt. % of a polyester of the present invention; (2) about 10 to about 50 wt. % of a crosslinking agent; and (3) less than about 20 wt. % of a suitable organic solvent; where all weight percentages are based on the total weight of (1), (2) and (3). The liquid enamel compositions of the present invention have a viscosity of 50 to 1,000 mPa s (cP) at room temperature.

Abstract: Disclosed are novel crosslinked polymers derived from methylol phenols and maleic acid species, and methods of synthesizing these macromolecules. Polyesters and chromandicarboxylic groups are the dominant linkages in the structure of general formula: ##STR1## R is H or a spacing group between aromatics, R.sub.1 is an aldehyde substituent, R.sub.2 a spacing group belonging to multihidric alcohols, a maleyl grouping, and n a whole number either 0 or 1.

Abstract: A polyphenylene sulfide resin composition, which comprises, in addition to a polyphenylene sulfide resin and an inorganic filler, at least one whisker selected from the group consisting of titania whisker and aluminum borate whisker.

Abstract: A resin for coating formation which comprises a polyarylate comprising 2,2-bis(3-methyl-4-hydroxyphenyl)propane units and a divalent carboxylic acid component comprising 10 to 90 mol % of terephthalic acid units and 90 to 10 mol % of isophthalic acid units, having an inherent viscosity measured in 1,1,2,2-tetrachloroethane at a concentration of 1 g/dl at 25.degree. C. of 0.85 or more, and having a carboxyl value of 20 mol/ton or less. Also disclosed is a process for producing the resin by interfacial polymerization, using a quaternary ammonium salt or a quaternary phosphonium salt having at least 3 alkyl groups each having at least 3 carbon atoms as a catalyst.

Abstract: This invention provides: (1) a hinder composition for friction materials, characterized in that it comprises a thermosetting resin and a specific organic silicon compound having phenyl groups, and (2) a friction material having as a binder composition shown in the above item (1). When used for manufacturing friction materials in the brakes and clutches for various kinds of vehicles such as automobiles, it can remarkably improve the facing and abrasion resistances of the friction material.

Abstract: The present invention is a molding compound comprising an unsaturated polyester resin, a filler, a reinforcement material, a crosslinking monomer, a catalyst, and a mold release agent. The compound also may include a thickener and a low profile thermoplastic additive. The mold release agent is a liquid at room temperature and is selected from the group consisting of tertiary alkyl primary amine carboxylates. The present invention further includes a method of manufacturing a molded plastic component using said molding compound.

Abstract: A heat-sealable adhesive for dissimilar substrates is disclosed comprising an organic solvent suspension of a graft copolymer of an A-B-A terblock copolymeric rubber, olefin copolymer and olefin terpolymer. Processing conditions are improved over known adhesive preparation conditions.

Abstract: This application discloses two-coat and three-coat automotive finishes, articles coated by an automotive finish and a process for their preparation wherein polychromism is achieved in the finish by incorporating an opaque, light interference pigment into the topcoat or a midcoat. The invention further relates to a coating composition which contains an opaque interference pigment at a pigment to binder ratio of less than 7/100.

Abstract: A composition comprising a matrix of a thermoplastic, thermosetting or a structurally crosslinked polymer, in which is incorporated an electroconductive network of crystal needles of a charge transfer complex (abbreviated to CT complex) from an electron donor and an electron acceptor, characterized in that:(1) the matrix contains uniformly distributed an excess, with respect to the CT complex formation, either of at least one electron donor or at least one electron acceptor as weakly polymer-soluble finely divided particles,(2) the CT complex is formed either by at least one weakly polymer-soluble electron donor and at least one polymer-soluble electron acceptor or by at least one weakly polymer-soluble electron acceptor and at least one polymer-soluble electron donor, and(3) microcrystalline needles grow from the weakly polymer-soluble particles in the polymer mass, which microcrystalline needles are in contact with and connect the weakly polymer-soluble particles to form a network which penetrates the polym

Abstract: Sealable multilayer polyolefin film containing hollow particles, process for its production and its useAn oriented polyolefin film is described. It contains at least one polyolefinic base layer and one polyolefinic sealable top layer. The top layer contains hollow particles which comprise essentially a polymer which is incompatible with the polyolefin of the top layer.A process for the production of the film and its use are also described.

Abstract: A method is disclosed for modifying a fluoropolymer including the following steps: providing a fluoropolymer surface, adding a solution including a a reactive species to the fluoropolymer surface, and exposing the reduced fluoropolymer surface to ultraviolet radiation in the presence of ozone or oxygen. The method reduces the discoloration of the fluoropolymer.

Abstract: The invention relates to heat-curable coating compounds containing a carboxyl-functional polyester produced by a condensation reaction from aliphatic and/or cycloaliphatic and/or aromatic polycarboxylic acids and anhydrides, a .beta.-hydroxyalkylamide and special stabilizers.

Abstract: Linear, tertiary carboxyl functional polyester resins suitable for the production of coatings having excellent outdoor durable properties, the polyester resins obtainable by reaction ofa) at least one aromatic and/or cycloaliphatic carboxylic acid compound A comprising two aromatic- and/or secondary aliphatic carboxyl groups or the anhydride thereof,b) at least one hydroxyl compound B comprising two aliphatic hydroxyl groups, which groups each independently may be primary or secondary hydroxyl groups,c) at least one hydroxyl substituted carboxylic acid compound C comprising at least one tertiary aliphatic carboxyl group and two aliphatic hydroxyl groups, which groups each independently may be primary or secondary hydroxyl groups, andd) optionally one carboxylic acid compound D comprising one carboxyl group, the molar ratio of compounds A:B:C:D being (X+Y-1):X:Y:Z,wherein X ranges from 2 to 8, Y ranges from 2 to 8, and Z ranges from 0 to 2.

Abstract: Thermosetting powder coating compositions include at least one glycidic-ether containing amorphous and/or semi-crystalline copolyester and a cross-linking agent which is an aliphatic and/or cycloaliphatic polybasic acid and/or its anhydride and/or a polyolmodified anhydride of a polybasic acid and/or amorphous or semi-crystalline carboxyl-functional copolyester resins and/or carboxyl-functional acrylate resins.

Abstract: Colorless, amorphous polyamide, or blends or alloys thereof, and the molded articles with high alternate bending strengths are made available; they are preferably made up of unbranched aliphatic diamines and cycloaliphatic dicarboxylic acids, and have high strength, high rigidity, high heat distortion, and good solvent resistance.

Abstract: Disclosed is a process which comprises reacting a polymer of the general formula ##STR1## wherein x is an integer of 0 or 1, A is one of several specified groups, such as ##STR2## B is one of several specified groups, such as ##STR3## or mixtures thereof, and n is an integer representing the number of repeating monomer units, with an acetyl halide and dimethoxymethane in the presence of a halogen-containing Lewis acid catalyst and methanol, thereby forming a haloalkylated polymer. In a specific embodiment, the haloalkylated polymer is then reacted further to replace at least some of the haloalkyl groups with photosensitivity-imparting groups. Also disclosed is a process for preparing a thermal ink jet printhead with the aforementioned polymer.

Abstract: A thermoplastic resin composition having improved hydrolytic stability having in admixture a saturated polyester resin such as polybutylene terephthalate, an epoxy novolac, a glass fiber reinforcing filler and a catalyst such as sodium stearate.

Abstract: Disclosed are blends of polyesteramides and polyester resins, optionally with polycarbonates, as well as methods for preparing said blends thereof. Preferred polyesteramides are those comprising amide units of formula (I): ##STR1## and ester units of formula (II): ##STR2## wherein the ratio of (I) to (II) is at least 1:1, and more preferably wherein at least 80% of the units of formula (I) are separated by at least one of the units of formula (II).

Abstract: A method for preparing polyester by use of a catalyst. The method comprises the steps of: esterifying either a terephthalic acid, a dicarboxylic acid containing terephthalic acid or derivatives thereof with either ethylene glycol or a glycol containing ethylene glycol, or derivatives thereof to produce an esterification product containing either bis(.beta.-hydroxyethyl) terephthalate, its low molecular weight polymer, or a combination of .beta.-hydroxyethyl terephthalate and its low molecular weight polymer; and continuously polycondensing the obtained esterification product to prepare a polyester, wherein in the said polycondensing step, a composite polymerization catalyst dissolved in an ethylene glycol or an ethylene glycol-containing solution, consisting of a compound of antimony, a compound of titanium, and a compound of tin is used.

Abstract: A method for producing glycidic ether-containing amorphous and/or semi-crystalline copolyesters involves first producing a hydroxyl-functional amorphous or semi-crystalline copolyester, and then converting such hydroxyl-functional copolyester with an epihaloalkane to form the desired glycidic ether-containing copolyester.

Abstract: The invention relates to impact modifiers for polyamide compositions which improve the impact strength of the polyamides without adversely affecting the flexural modules of the composition. The impact modifiers comprise blends of general purpose rubbers and a halogenated copolymer of a C.sub.4 to C.sub.7 isomonoolefin and an alkylstyrene. In addition, the invention is drawn to a polyamide composition containing such impact modifiers.

Abstract: The invention is a purification process of an aliphatic polyester prepared in the presence of a catalyst from a hydroxycarboxylic acid or a cyclic ester of a hydroxycarboxylic acid, or a combination of an aliphatic polyhydric alcohol with an aliphatic polybasic acid, or a mixture of these compounds, comprising deactivating the catalyst while maintaining the aliphatic polyester in a molten or dissolved state, or insolubilizing and separating the catalyst and successively removing low molecular compounds; and can provide aliphatic polyester which has a low content of unreacted monomers and low molecular weight compounds and is excellent in heat resistance and weatherability.

Abstract: The invention relates to thermoplastic moulding compositions based on polyalkylene terephthalate, disodium tetrabromophthalate and optionally glass fibres for the production of mouldings which show improved mechanical properties and at the same time a good flame-resistant behavior, without impairment of the thermoplastic matrix.

Abstract: A biaxilly oriented polymer film having improved surface properties, anti-static property and printability is prepared from a mixture of 70 to 99 parts by weight of a polyester resin containing not less than 60% by weight of repeating units of ethylene terephthalate and having an intrinsic viscosity ranging from 0.4 to 0.9 dl/g, and 1 to 30 parts by weight of polyolefin resin having a melting flow index ranging from 1.5 to 25 g/10 min, wherein said polyester film further comprises 0.1 to 25 parts by weight of an inorganic particle.

Abstract: The invention comprises processes for the production of useful fluid or grease from curable silicone compositions or silicone rubbers, preferably reclaimed or scrap silicone rubber. The processes involve the application of energy in such a manner that a un-curable silicone grease or liquid that contains essentially all of the original material is produced from curable silicone compositions and grease or liquid is produced from silicone rubbers. Suitable energy forms include thermal and mechanical. The fluid or grease produced by the processes are useful as raw materials for the manufacture of silicone products such as: antifoam compounds (defoamers), greases, conformal coatings or rubbers. The materials produced by these processes were unexpectedly found to have exceptional antifoam properties without requiring the addition of other materials or further processing.

Abstract: A process for preparing a degradable copolymer of aliphatic polyester comprising the steps of reacting two or more kinds of aliphatic polyester homopolymer in the presence of a catalyst in a reaction mixture containing an organic solvent, and a degradable copolymer of aliphatic polyester obtained by said preparation process. The copolymers exhibits high transparency in addition to excellent strength and elongation, can be processed into various molded articles and formed items such as films and filaments, and can provide heat resistance by heat treatment of said molded articles and formed items. The copolymer can be suitably utilized for processed articles such as a film, breathable film, sheet, textile, monofilament, multifilament, yarn, non-woven fabric, flat yarn, staple, crimped fiber, ribbed tape, split yarn, conjugate fiber, laminate, blow-bottle, sheet, stretched sheet, foam and net.

Abstract: Transparent electroconductive coating compositions, methods to prepare such coating compositions, and substrates coated with these coating compositions. The coatings are based on polymeric resins containing finely dispersed electroconductive powders. The coatings can be characterized by the following: thermoformable while retaining transparency and electrical conductivity that is insensitive to humidity; low chloride extractability, stable to exposure to isopropanol or water/soap solutions.

Abstract: This invention relates to a composition suitable for use as a combination fire retardant, soil and water protectant, and biocide, and to the method of making and applying the composition. The preferred embodiment contains the following ingredients: from 2.30% to 9.22% by total weight of ammonium phosphate, monobasic; from 2.30% to 9.22% by total weight of ammonium phosphate, dibasic; from 2.30% to 9.22% by total weight of a compound comprising approximately 50% ammonium polyphosphate, 3% urea, and 47% water; from 2.60% to 10.4% by total weight of a fluorinated acrylic polymer; from 0.025% to 0.1% by total weight of coco imidazuline dicarboxylate; from 1.00% to 4.00% by total weight of organotin; and from 57.84% to 89.475% by total weight of water. The composition is applied to porous materials, such as fabrics, wood, cardboard, or fiberboard, for protection from fire, soil and water damage, and virus and fungus growth.

Abstract: The present invention relates to a polyester resin for use in a thermosetting coating composition, said polyester comprising an acid component, an alcohol component and a trifunctional branching agent; wherein the acid component consists of from 90 to 100 mole % of an aromatic acid or aromatic anhydride or mixture thereof and from 0 to 10 mole % of a polycarboxylic acid or polycarboxylic anhydride or mixture thereof; and wherein the alcohol component consists of at least 60 mole % of one or more glycols selected from the group consisting of CH.sub.3 --CH.sub.2 --C(CH.sub.2 OH).sub.2 --R.sub.1 wherein R.sub.1 is an alkyl and derivatives of said glycols, from 0 to 20 mole % of neopentylglycol, and of up to 20 mole % of a trifunctional branching agent.

Abstract: The present invention provides inks which contain a near infrared fluorophoric compound incorporated into a water-dissipatible polyester backbone. The inks of the present invention are preferably colorless or "invisible" but could be made slightly colored if desirable. Specifically, the inks of the present invention comprise:A. between about 1 and 10 weight percent of at least one water-dissipatable polyester having from about 0.1 ppm by weight to about 10% by weight of a thermally stable near infrared fluorophoric compound copolymerized therein;B. between about 5 and 75 weight percent of at least aliphatic humectant;C. between about 0 and 15 weight percent of at least one lower aliphatic alcohol of no more than 3 carbon atoms;D. water and optionally up to about 2 weight percent of one or more additives;wherein the weight percentages of components A-D equal 100%.

Abstract: A thermosetting in-mold coating for molded fiber-reinforced plastic parts is disclosed. The binder for the thermosetting coating is comprised of least one polymerizable epoxy-based oligomer having at least two acrylate groups and at least one copolymerizable ethylenically unsaturated monomer. The coating includes graphite and titanium dioxide which results in the gray color. The coating composition has good flow and coverage during molding, good adhesion, uniform color, good surface quality, and good paintability. The coating composition includes enough carbon black so that a 1.0 mil thick coating has a Ransburg conductivity meter reading of at least 165 units.

Abstract: Molding compositions based on polyaryl ethers A, are obtainable by reacting polyaryl ethers I with repeating structural elements ##STR1## or derivatives thereof substituted by C.sub.1 -C.sub.6 -alkyl, alkoxy, aryl, chlorine or fluorine in the nucleus, where X and Z, independently of one another, are each --SO.sub.2 --, --O--, --S--, >C.dbd.O a chemical bond or --CRR'--, R and R' are each hydrogen, C.sub.1 -C.sub.6 -alkyl or alkoxy, R' is also aryl or fluoro- or chloro-substituted aryl, with the proviso that X and Z are not both --O--, with a reactive compound which, besides a C--C double or triple bond, contains one or more carbonyl, carboxylic acid, carboxylate, acid anhydride, amide, imide, carboxylic ester, amino, hydroxyl, epoxy, oxazoline, urethane, urea, lactam or halobenzyl moieties.

Abstract: Process for continuous preparation of homo- and copolyoxymethylenes with stable end groups in a homogeneous phase, in which in a tubular reactor with static mixing elements cyclic formaldehyde oligomers are polymerized in the presence of protonic acids as initiators in amounts of 0.005 to 500 ppm in a polymerization zone, in which the residence time of the reaction components in this zone is 0.1 to 10 min and in which the initiator is deactivated immediately after polymerization, there being a fluid transition between the polymerization and deactivator zones which is determined solely by the addition of deactivator, and in which, besides deactivation, stabilization of the chain ends is carried out in the presence of residual monomers, with the volatile constituents being removed from the reaction mixture in a subsequent vent unit. Stabilization is carried out in the presence of alkaline substances, either at temperatures of 150.degree. C. to 250.degree. C.

Abstract: In the method described, one or more halogen-free phosphorus compounds are incorporated in the precondensed resins before the final resin-curing stage. During final curing, the phosphorus compounds are bound by covalent bonds into the resin structure and/or are trapped in the resin structure as such or in the form of aggregates or condensates.

Abstract: The invention provides a method for producing a microcellular foam of a curable material by replicating a dissolvable particle preform and leaching away the dissolvable particle preform to yield the microcellular foam. The foam can be a preceramic polymer microcellular foam which can be pyrolyzed to form a ceramic microcellular foam. A method for making a composite including steps of producing a ceramic microcellular foam which is subsequently infiltrated to form the composite is also provided as are microcellular foams, ceramic microcellular foams and composites prepared according to the method of the invention.

Abstract: A label for containers comprises a foamed polyester film that has a density of less than 1 g/cm.sup.3. The foamed polyester film may be blown away in air and then floated away in water during the recycle process for containers. After separation from the containers the foamed polyester film may be reclaimed by a chemical process to recover raw materials for polyesters.

Abstract: A polymer composition comprising a thermoplastic norbornene polymer which preferably has a number average molecular weight of 10,00-200,000 as determined by gel permeation chromatography in toluene solvent and calculated as styrene and a content of norbornene polymer components having a number average molecular weight of 2,000 or less of 1% by weight or less, and a compounding ingredient, such as a rubber-like polymer, wherein the compounding ingredient is preferably dispersed in the form of microdomains in the norbornene polymer; and medical implements and optical naturals formed essentially of the composition.

Abstract: A coating composition having a good balance between solids content at a given viscosity and hardness in the final coating comprising a solution in a volatile organic solvent of;i) a hydroxyl functional polymerii) a crosslinker for the polymer,characterised in that the composition also comprises iii) 1,4-cyclohexane dimethanol.

Abstract: Compositions are provided for comprising a compatibilizing PPE and a naphthalate-type polyester resin wherein the compositions have a drop in the elastic modulus occurring at least about 15.degree. C. higher than the corresponding blend wherein the polyester does not contain a substantial portion of naphthalate moieties. The compositions can further comprise impact modifiers, reinforcing agents, fillers, stabilizers, antistatic agents, plasticizers, lubricants, and other additives to provide compositions with enhanced physical properties. Articles molded from these compositions are useful in the automotive industry.

Abstract: A monomer-rich acrylic syrup is cast including about 10% to about 20% ground acrylic particles. During curing, the particles absorb over half their weight in monomer, and a cured sheet is formed in which the matrix monomer and uncrosslinked polymer form a phase which extends through the particles, while the particles appear to be fused together. Including a crosslinker in the syrup further insures the interpenetration of the matrix phase into the swollen particles. A textured surface is formed, which is useful as an anti-slip surface in bathtubs and shower stalls, after thermoforming.

Abstract: Ether-linked amine-terminated polyesters are produced by reacting (1) a polyester polyol in which substantially all of the hydroxyl groups have been replaced with good leaving groups with (2) an aminoalcohol and/or aminothiol and (3) a deprotonating agent. The aminopolyesters obtained by this process are characterized by excellent reactivities over a wide range of molecular weights and functionalities.

Abstract: Crosslinkable, polyaromatic, polyether or polyester oligomers can have glass transition temperatures above 900.degree. F. while exhibiting desirable toughness for aerospace applications and ease of processing. A plurality (i.e. three or more) of generally linear aryl arms extend outwardly like spokes from a central aromatic hub through ether or ester linkages. Each spoke usually includes electronegative linkages, and is capped with one or two crosslinking functionalities (i.e. unsaturated hydrocarbon sites) which may be thermally or chemically activated to complete the advanced composite during curing. Among other methods, linear and multidimensional polyether oligomers are synthesized using nitrophthalic anhydride or halophthalic anhydride, dialcohols, or polyols, diamines, and suitable end caps.

Abstract: A reactive component, which is curable to form a nonpolar polymer containing silicon and carbon atoms, and having a glass transition temperature of at least 20.degree. C., is mixed with an antiplasticizer. The resulting mixture, a curable composition, is cured to form a composition having an increased modulus. The reactive component preferably comprises a polyene having at least two hydrosilation reactive carbon-carbon double bonds (e.g., dicyclopentadiene), and a silicon compound having at least two hydrosilation reactive .ident.SiH groups. Preferably the silicon compound comprising at least one member selected from the group consisting of cyclic polysiloxanes, tetrahedral siloxysilanes, and linear polysiloxanes. Preferably the resulting cured composition is crosslinked, due to at least one member selected from the group consisting of the polyene and the silicon compound having more than two hydrosilation reactive sites. Preferably the curable composition further comprises a hydrosilation catalyst.

Abstract: A silicone rubber binder composition is provided which includes silicone rubber, silicon dioxide and an aggregate such as sand, gravel, cinders and the like. The silicone rubber is preferably an RTV silicone rubber which is solubilized using a solvent and mixed with the silicon dioxide and aggregate. The mixture may be spray applied to form a roofing coating or may be molded to form another building element such as a beam, post, block, shingle, wallboard or the like.

Abstract: The present invention relates to precursor coating compositions which are particularly suitable for being admixed with at least one supercritical fluid used as a viscosity reduction diluent and then spraying this resultant liquid mixture of supercritical fluid and precursor coating composition onto a substrate to be coated.

Abstract: An electrorheological(ER) composite material with solid, elastomeric characteristics in the form of an elastomer matrix encompassing an ER fluid. This ER composite material changes certain of its physical properties in response to an imposed electric field (as do known ER fluids), but it has the advantage of maintaining a defined spatial volume without the need of sophisticated seals. It also provides desirable design features inherent in an elastic solid having the specific capability of being molded in conjunction with a containment surface to which it strongly adhesively bonds. Certain physical properties of these ER composite materials and their physical response to the application of an electric field may be varied by varying the properties and/or the proportions of the ER fluid component and the resin prepolymer component which are employed in formulating the composite.