Abstract: Di(amido(alkyl)phenol) compounds and upgraded molecular weight polymers made from such compounds have particular utility in coating compositions, especially for use on food and beverage contact substrates that are formed into or will be formed into containers or container components.

Abstract: Halogen-free, flame-retardant thermoplastic polyester elastomer (TPE-E) compositions that include at least one thermoplastic polyester elastomer, at least one low-melting, phosphorus-based flame retardant having a melting temperature no higher than 150° C., and a blend of solid intumescent flame retardants comprising a phosphorus-based, organic salt flame retardant and a nitrogen-based organic flame retardant are provided. The presence of the low-melting, phosphorus-based flame retardant renders the compositions more resistant to scratch-whitening.

Abstract: A photosensitive composition, at least containing: a carboxyl group-containing photosensitive polyurethane resin; a phosphorus-containing flame retardant; a polymerizable compound; and a photopolymerization initiator, wherein both a resin polymer of the photosensitive polyurethane resin and the polymerizable compound do not contain a phosphorus atom, wherein the photosensitive polyurethane resin has the weight average molecular weight from 2,000 to 60,000, the acid value from 20 mg KOH/g to 120 mg KOH/g, and the ethylenically unsaturated group equivalent from 0.05 mmol/g to 3.0 mmol/g, and wherein the photosensitive polyurethane resin has, in the side chain thereof, at least one particular functional group.

Abstract: This disclosure relates to epoxides, polyepoxide compositions and epoxy resins whose degradation products exhibit little or no estradiol binding activity. Also disclosed are methods for making the disclosed compositions and articles of manufacture comprising the disclosed compositions.

Abstract: Methods for preparing functionalized polyvinylpyrrolidones with polymerizable functions. Also, amphipathic polydimethylsiloxane-PVP block copolymers, such as and (meth)acrylated and (meth)acrylamide-functionalized polyvinylpyrrolidone compounds, such as The block copolymers are useful as biomaterial components in biomedical devices. They provide improved wettability, lubricity, and material compatibility to the biomedical device, e.g., ophthalmic lenses.

Abstract: It is an object of the present invention to provide a thermosetting resin composition having satisfactory adhesiveness, good processability, high heat resistance, and excellent dielectric characteristics in the GHz band; and a laminate and a circuit board including the thermosetting resin composition. The present invention provides a thermosetting resin composition including an imide oligomer component (A) containing at least one imide oligomer having a specific structure and an epoxy resin component (B) containing at least one epoxy resin. Furthermore, the present invention provides the thermosetting resin composition further including a polyimide resin component (C).

Abstract: Polyesters comprising the reaction product of a polyol and a bis-epoxy reacted with a mono- and/or di-phenolic carboxylic acid and/or ester are disclosed. Food cans coated at least in part on the interior with a composition comprising these polyesters are also disclosed. The composition used on the food cans is substantially free of BPA and BPF and substantially free of BADGE and BFDGE. Food cans coated at least in part on the interior with a composition comprising a polyester having a loss of molecular weight of less than 50% in an acidic medium are also disclosed.

Abstract: Aqueous, storage-stable emulsions of ?-silyl terminated polymers are useful as adhesives, sealing compounds and coating materials. The ?-silyl terminated polymers correspond to the general formula (I): in which R1 is a linear or branched alkyl or alkoxy group containing 1 to 4 carbon atoms, R2 and R3 independently of one another are linear or branched alkyl groups containing 1 to 4 carbon atoms, R4 and R6 independently of one another are divalent organic connecting groups, R5 is a hydrophobic divalent polymer group; and R7 is a CH2SiR1(OR2)(OR3) group, in which R1, R2 and R3 have the above meaning or R7 stands for a group that lends the polymer of the general formula (I) the property of self-emulsification in water by forming an oil in water emulsion.

Abstract: Various embodiments of the present invention are directed to methods for manufacturing complex, anisotropic materials with desirable properties for information storage, processing, and display. Certain of these methods involve employing a magnetic field during manufacture to induce desired orientations of precursors, subunits, and/or molecular subassemblies. The applied magnetic field steers the precursors, subunits, and/or molecular subassemblies into desirable orientations while the precursors, subunits, and/or molecular subassemblies are assembled or self-assemble into a complex, anisotropic material. One embodiment of the present invention is a class of new, complex, well-ordered, network-like materials that include a ferromagnetic-material-based framework in which organic and/or organometallic compounds are organized.

Abstract: Provided is an epoxy resin composition which excels in heat resistance properties and electrical properties, and is easily decomposable for the recycling of resources. The epoxy resin composition includes an epoxy compound and a curing agent, in which at least one of the epoxy compound and the curing agent contains a hydrolyzable tannin having a weight-average molecular weight (Mw) of 500 to 5000.

Abstract: The invention is directed to novel poly(ether-ester)polyols, processes for their production from monocarboxylic or polycarboxylic acid esters with one or more bound polyether chain(s). This invention also relates to the production of polyurethane materials in which the isocyanate-reactive component comprises these poly(ether-ester)polyols.

Abstract: The invention provides an improvement to the useable lifetimes of phenolic-epoxy, phenolic-benzoxazine, phenolic-epoxy-benzoxazine mixtures and other phenolic mixtures through the use of protected phenolics, where a phenolic compound, polymer, or resin is released on demand by the addition of a deblocking agent.

Abstract: Radiation curable compositions comprising at least one radiation curable oligomer obtained from the reaction of one or more carboxyl functional polyester (a) having a glass transition temperature TG and/or melting temperature Tm of less than 30° C., with (b1) one or more (meth)acrylated mono-epoxide, and/or (b2) one or more polyepoxide and one or more ?, ? unsaturated carboxylic acid.

Abstract: Various embodiments of the present invention are directed to methods for manufacturing complex, anisotropic materials with desirable properties for information storage, processing, and display. Certain of these methods involve employing a magnetic field during manufacture to induce desired orientations of precursors, subunits, and/or molecular subassemblies. The applied magnetic field steers the precursors, subunits, and/or molecular subassemblies into desirable orientations while the precursors, subunits, and/or molecular subassemblies are assembled or self-assemble into a complex, anisotropic material. One embodiment of the present invention is a class of new, complex, well-ordered, network-like materials that include a ferromagnetic-material-based framework in which organic and/or organometallic compounds are organized.

Abstract: An epoxy resin that contains, in a molecule, two mesogens coupled by a folded chain, is provided using a method that ensures easy synthesis of such an epoxy resin, and a uniform epoxy resin composition is provided based on this epoxy resin. The epoxy resin includes a major compound having a structure expressed by the Chemical Formula (1), and a method is provided for manufacturing the epoxy resin by reaction of (A) an epoxy resin with one mesogen contained in a molecule and (B) a compound with two elements of active hydrogen contained in a molecule, with the percentage composition of (B) active hydrogen with respect to (A) epoxy group being 0.25 and over, up to and including 0.7.

Abstract: An ESCAP type polymer which has a controlled structure wherein the groups protecting phenolic hydroxyl groups have been selectively or partly eliminated or decomposed with an acid and no carboxylic acid residues are contained and which is a narrow-disperse polymer and is suitable for use as a material for a chemical amplification type resist for excimer lasers which has excellent resolution. The process is characterized by subjecting either an alkenylphenol in which the phenolic hydroxyl group has been protected or the alkenylphenol and a vinylaromatic compound to anionic polymerization together with a (meth)acrylic ester to give a block copolymer and eliminating only a given proportion of the groups protecting the phenolic hydroxyl groups from the block copolymer with an acid reagent. Thus, an alkenylphenol copolymer is synthesized which has a ratio of the weight-average molecular weight (Mw) to the number-average molecular weight (Mn), (Mw/Mn), of 1.00 to 1.50 and has no carboxylic acid residues.

Abstract: A photosensitive resin obtained by reacting a reaction product (I) prepared from a biphenyl epoxy acrylate (a) of the formula (1) and a cyanate ester compound (b) with a polybasic acid anhydride (c), and a photosensitive resin and an epoxy compound, wherein each of R1 and R9 is a hydrogen atom or methyl, and n is an integer of 1 or more. The photosensitive resin and the photosensitive resin composition have excellent developability, has high heat resistance and particularly has excellent heat resistance and reliability on electric insulation under moisture absorption lasting for a long period of time.

Abstract: The present invention relates to resins obtained by reacting a compound of formula 1 with an aldehyde and alkoxylating, in any order: wherein X is —OH, Y is ortho-, meta- or para- to X and is a radical of formula 4, wherein R5 is a C1-C30-alkyl, C2-C30-alkenyl, C6-C18-aryl, or C7-C30-alkylaryl. The resin has a molecular mass from 250 to 100,000 and is useful in methods of breaking oil-water emulsions.

Abstract: An aromatic-aliphatic copolycarbonate and a process for producing the same which comprises polycondensation of an aromatic dihydroxy compound, such as 1,1-bis(4-hydroxyphenyl)cyclohexane, tricyclo(5.2.1.02,6)decanedimethanol, and a carbonic acid diester in a molten state under heating, wherein the carbonic acid diester has a chlorine content of 20 ppm or lower. The copolycarbonate has improved refractive index, balance of dispersion, and photoelastic constant while retaining high impact resistance, high heat resistance, and excellent hue.

Abstract: The invention provides an alkali-soluble adhesive agent characterized by comprising an alkali-soluble resin that is a reaction product (C) obtained by allowing a polycarboxylic acid and/or a polycarboxylic anhydride having two or more carboxyl groups to react with a reaction product of a compound (A) having at least one epoxy group with a monocarboxylic acid compound (B). Preferably, the alkali-soluble resin is used in combination with a ketone organic solvent, optionally with at least one member selected from the group consisting of a melt viscosity reducing agent, a surface active agent and a plasticizer. The alkali-soluble adhesive agent can be removed by an alkali aqueous solution without recourse to any organic solvent, and is of an environmental protection-conscious type with improvements in adhesion, adhesion strength, coatability, surface smoothness, softening point controllability, melt viscosity controllability and spread controllability.

Abstract: A polymer composition made by combining a polyketone polymer and a phenolic alkylene dicarboxylate of the general formula: ##STR1## each R.sup.1 independently is hydrogen or alkyl with 1-6 carbon atoms, each R.sup.2 independently is alkyl with 1-6 carbon atoms,each m is an integer of 0-4, andn is an integer of 2-12; anda process for preparing these compositions.

Abstract: Mannich-derivatized polyphenolic compositions prepared by the reaction of a phenolic compound having at least two phenol rings with an aldehyde and an amphoteric compound having both a basic moiety and an acidic moiety are disclosed. Methods for utilizing such compositions in the control of stickie formation in papermaking are also disclosed.

Abstract: The present invention pertains to coating compositions including a particular class of internally blocked polyamines as replacement for traditional blocked and unblocked polyamine crosslinkers. The use of these internally blocked polyamines results in better appearance characteristics and a lower VOC than are generally available with the traditional blocked varieties.

Abstract: The invention relates to a crosslinkable polymer for use in optics and non-linear optics, which comprises at least one chromophore, characterized in that it has, on at least two of its ends, at least one reactive end group of a different chemical type from the group predominantly used in polymerization and the preparation of a polymer skeleton. Said reactive end group comprises at least one CC, CN, CS, SS or NS double bond and/or triple bond, and/or an epoxy group and/or a thiol group or a derivative of said groups, and the polymerization groups are selected from at least one of the following groups: urethane, ester, amide, imide, ether, carbon-carbon, sulfide, silane and siloxane, urethane and ester groups being particularly preferred. Application in optical and opto-electronic materials and devices.

Abstract: There are disclosed an aromatic hydroxy compound or polymer substituted with acetal of Formula (I), (II) or (III), and a negative photoresist composition prepared therefrom. The pattern formed of the negative photoresist composition has good cross sections in addition to being superior in transmissivity to deep uv light and excimer laser and in thermal resistance and storage stability after exposure.

Abstract: A copper clad laminate is disclosed as being obtained by thermoforming a prepreg and a copper foil. As disclosed, the pre-preg (uncured) includes a substrate impregnated with an epoxy resin, an aryl ester compound and a curing agent. The copper-clad laminate has a low dielectric constant and a low dielectric loss tangent. It is suitable for a multilayer printed wiring board for high speed operation, especially at high-frequency region.

Abstract: The process for producing a modified epoxy resin comprises reacting (a) an epoxy resin having at least two epoxy groups per one molecule, and (b) a specific active ester group-containing compound having at least two aromatic ring-bonded active ester groups per one molecule, in proportions such that the amount of the active ester groups in the active ester group-containing compound is from about 0.05 to about 0.95 mol per mole of the epoxy group in the epoxy resin, and the modified epoxy obtained by this process, and a composition of the epoxy resin and a curing agent are encompassed.

Abstract: The present invention relates to a liquid resin composition comprising (1) a liquid epoxy resin, (2) a particular ester curing agent, and (3) a curing accelerator. This epoxy resin composition can provide a cured resin with excellent heat resistance and water resistance, which is particularly useful for encapsulation, casting and adhesion.

Abstract: The present invention provides a production method for a photo-sensitive resin, characterized in reacting a difunctional epoxy resin (B) having two epoxy groups in a molecule with carboxyl groups contained in a resin (A) having two or more (meth)acryloyl groups and at least one carboxyl group in a molecule. Since the photo-sensitive resin prepared by extending the resin (A) to a high molecular weight linearly via the difunctional epoxy resin (B) is obtained, a resist layer having an excellent tack-free property can be formed. Further, a resist layer irradiated with rays through a patterning film can be developed rapidly and correctly in an alkaline aqueous solution. Accordingly, it has been possible to provide the high-performance liquid photo-sensitive resin compositions useful for a solder resist used for producing printed circuit boards and for an electroless plating resist or useful for producing black matrices and color filters for liquid crystal displays.

Abstract: Monomers of formula (I) ##STR1## where ##STR2## is a mesogen, ##STR3## is a spacer, and --X is a group having an epoxy function exhibit a reduced tendency to undergo self-condensation via addition polymerization and afford liquid crystalline polymers upon condensation with a crosslinking agent.

Abstract: The present invention relates to linear, cyclic or branched polyorganosiloxanes having, per molecule, at least three siloxy units, including at least one functional unit of formula: ##EQU1## where R.sup.1 represents a C.sub.1 to C.sub.4 alkyl or phenyl radical and X contains a secondary or tertiary cyclic amine functional group bonded to the silicon via an Si--A--C bond where A is a residue comprising a cyclic acetal group. X more specifically represents a monovalent group of formula: ##STR1## The present invention also relates to the use of such polyorganosiloxanes in polymers for improving in particular their photostabilization.

Abstract: An increase in the molecular weight of polyester and recycled polyester can be achieved by blending said polyester with a difunctional epoxy resin and a sterically hindered hydroxyphenylalkylphosphonic acid ester or half-ester and heating the blend to above the melting point (glass transition temperature) of the polyester.

Abstract: Epoxy resins containing rodlike mesogenic moieties are prepared from phenolic hydroxyl containing compounds which contain such moieties.

Abstract: This invention relates to flexible epoxy resins that have a structural composition comprising an oligomeric backbone of alkylene or alkyleneoxy repeat units, terminated with an aromatic moiety bearing one or more epoxy functionalities.

Abstract: A modified liquid epoxy resin composition is provided by reacting a crystalline epoxy resin, from about 3 to about 20 parts by weight, based on the epoxy resin, of a compound having two or more phenolic hydroxyl groups and/or carboxyl groups in one molecule and from about 3 to about 20 parts by weight of a compound having one phenolic hydroxyl group or carboxyl group in one molecule. The crystalline epoxy resin is preferably selected from various glycidylethers of biphenol compounds. The modified liquid epoxy resin composition has a low viscosity and good liquid stability at low temperatures, resulting in cured resins having excellent heat resistance and water resistance.

Abstract: Curable compositions containing (A) one or more epoxy resins, one (B) or more curing agents and (C) one or more cure controlling catalysts wherein at least one of components (A) or (B) or both components (A) and (B) contain a mesogenic moiety are prepared. These curable compositions permit processing at higher temperatures and improved properties. They are useful in the preparation of coatings, castings, electrical or laminates or composites and the like.

Abstract: Mesogen containing biaxially oriented films are prepared from curable mixtures containing an epoxy resin and a curing agent therefor. Certain of the mesogen containing biaxially oriented films possess unique properties, such as a metallic like, highly reflective appearance. These films are useful in adhesives, coatings, laminates or composites and the like.

Abstract: Laminates containing one or more plies of substrate material impregnated with a composition containing (A) one or more epoxy resins, (B) one or more curing agent and (C) about 0.00005 to about 0.1 mole per epoxide equivalent of cure controlling catalyst, wherein at least one of components (A) or (B) contain at least one mesogenic moiety, which, optionally, has been subjected to either (a) the application of an electric field, (b) the application of a magnetic field, (c) drawing or shear forces, or (d) any combination thereof, are prepared.

Abstract: A diamino-alpha-alkylstilbene useful as an epoxy resin curing agent is represented by the following Formula I: ##STR1## wherein R is independently hydrogen, a C.sub.1 -C.sub.10 hydrocarbyl(oxy) group or a halogen, nitro, nitrile, phenyl or --CO--R.sup.1 group wherein R.sup.1 is independently hydrogen or a C.sub.1 -C.sub.3 hydrocarbyl group; each R.sup.4 is independently hydrogen or a C.sub.1 -C.sub.10 hydrocarbyl group; and Y is a ##STR2## group wherein n=0 or 1.

Abstract: Anhydride compounds which contain at least one rodlike mesogenic moiety and at least two anhydride groups per molecule, wherein each of said aromatic anhydride groups is linked to the mesogen via an ester linkage are prepared. These anhydride compounds are useful in curing epoxy resins to provide the cured products with one or more improved properties.

Abstract: Adducts containing terminating nitro (nitroso) groups and one or more mesogenic moieties are prepared by reacting (A) at least one compound containing an average of more than one vicinal epoxide group per molecule with (B) at least one compound containing one or more nitro (nitroso) groups and an average of one reactive hydrogen atom per molecule; with the proviso that at least one member of components (A) and (B) contains a mesogenic moiety. Reduction of these adducts provides amines which are useful as curing agents for epoxy resins.

Abstract: Vinyl ester resins of the type already having reactive liquid polymers reacted into the backbone of the resins, are cured in the presence of a reactive liquid polymer additive admixed with the prereacted vinyl ester resin. Heating of the system during cure causes the reactive liquid polymer additive to miscibilize with the vinyl ester base resin. The vinyl ester resin modified in the manner described above shows a significant enhancement in toughness as measured by fracture energy over unmodified counterparts or counterparts modified by known methods of adduction or admixing alone.

Abstract: Compositions comprising epoxy resins containing one or more rodlike mesogenic moieties per molecule are cured with polyamines containing one or more rodlike mesogenic moieties per molecule. These curable compositions can be oriented by the application of an electric field or magnetic field or drawing and/or shear flow prior to and/or during curing. The resultant cured products exhibit an improvement in one or more physical and/or mechanical and/or thermal properties as compared to a like epoxy resin system which does not contain any rodlike mesogenic moieties.

Abstract: Epoxy interpenetrating polymer networks having chemical bonds between the interpenetrating networks are prepared from a first and a second polymer network, at least one of which contains an EPRXE resin; a resin having two epoxide functionalities represented by E and a reactive pendant nonepoxide functionality X. The two resin networks are sequentially crosslinked followed by activation of the pendant functionality of the EPRXE resin to form internetwork chemical bonds between the two resin networks affording an epoxy resin with both increased strength and toughness. The invention is also directed to the process of making interpenetrating polymer networks.

Abstract: Provided are novel phenolic-functional polyesters which are prepared by a direct polycondensation process. The polyesters formed therefrom are useful in enamel compositions and upon curing provide coatings which exhibit superior hardness, impact resistance and acid resistance heretofore unachievable with other polyester-based coatings.

Abstract: Liquid coating agent based on a polymer containing acetoacetate groups and a polyamine in the form of the corresponding aldimine or ketimine, the polymer containing acetoacetate groups being obtained by reaction of a polyepoxide with water, an amine or a hydroxycarboxylic acid and subsequent esterification or transesterification with acetoacetic acid. These liquid coating agents are particularly suitable as binders in two-component automobile repair fillers or as two-component primers.

Abstract: A new process for the standardization and stabilization with simultaneous increase of reactivity of organic polyisocyanates and the polyisocyanates produced by this process. A polyisocyanate is mixed with compounds having at least one epoxide group which are represented by a specified formula. This mixture is then stabilized with a silylating agent and/or alkylating agent represented by specified formula. The polyisocyanate/epoxide mixture may optionally be heated before the stabilizing agents are added. These polyisocyanates are useful in the production of polyisocyanate addition products.

Abstract: A method for producing a liquid crystalline polyester, which comprises reacting compounds of the following formulas: ##STR1## and a dicarboxylic acid of the following formula ##STR2## wherein R.sup.1 is a bivalent aromatic hydrocarbon group having from 6 to 18 C atoms as starting material, for polycondensation in a molten state.

Abstract: A liquid coating composition based on a polymer containing acetoacetate groups and a polyamine in the form of the corresponding aldimine or ketimine, the polymer containing acetoacetate groups being obtained by reacting a polyepoxide containing hydroxyl groups, or a polyepoxide which is partially or completely reacted with monocarboxylic acids, with acetoacetic acid derivatives. These liquid coating compositions are suitable in particular as binders in two-component fillers for automotive refinishing or as two-component primers.

Abstract: A curable resin composition comprising (a) an acrylic, polyester, epoxy or polyol resin having a plurality of alkynyl groups, (b) an organohydrogenpolysiloxane, and (c) an amount of platinum catalyst effective to catalyze the crosslink reaction between (a) and (b). The composition is useful for coating and molding purposes and gives a cured product having excellent acid resistance, water resistance and other properties.