Abstract: This invention relates to a process for the preparation of highly-branched polyols by polymerisation of glycidol in the presence of a hydrogen-active starter compound with basic catalysis, wherein glycidol is added in dilute solution and the solvent used for the dilution is continuously distilled off. The polyols thus prepared are colorless, contain as the core unit solely the starter compound used and have polydispersities of less than 1.7. The present invention also relates to polyols that comprise the reaction product of the polyols based on glycidol with one or more expoxide monomers. This invention also relates to a process for the preparation of these polyols.

Abstract: This invention relates to a catalyst for producing aliphatic polycarbonate, which is composed of a rare-earth coordination compound; an alkyl metal compound; a polyol; and a carbonate. The catalytic efficiency of the catalyst of the present invention is more than 8×104 g polymer/mol RE(RE is rare earth metal). The number average molecular weight of the polymer is higher than 30,000. The degree of carbon dioxide fixation is more than 42 wt % and the content of alternative sequence structure exceeds 97%.

Abstract: The present invention provides a process for efficiently obtaining polyethers having its high degree of polymerization by easily polymerizing substituted epoxides which could hardly or could not be made so far to provide a high degree of polymerization. That is, a polyether is obtained by a process which comprises ring-opening-polymerizing at least one substituted epoxide, except for propylene oxide and epihalohydrin, in the presence of a rare earth metal compound represented by the formula (I) and a reducing compound: Wherein M represents a rare earth element selected from Sc, Y and lanthanide, and L1, L2 and L3 are same as or different from each other and each of them represents an oxygen-binding ligand.

Abstract: A process for purifying a crude polyether, comprising contacting a crude polyether obtained by addition polymerizing an active hydrogen-containing compound with an alkylene oxide compound in the presence of an alkali metal-containing basic catalyst to an adsorbent comprising a synthesized hydrous magnesium silicate compound which satisfies the following requirements (1) to (5) in order to reduce the alkali metal content of the crude polyether:

Abstract: A method and apparatus for synthesis of oligomeric cyclocarbonates from epoxy compounds and carbon dioxide in the presence of a catalyst. Star epoxy compounds and their preparation and use in making star cyclocarbonates, star hydroxy urethane oligomers, and star NIPU and HNIPU. Acrylic epoxy compounds, acrylic cyclocarbonates, acrylic hydroxy urethane oligomers, and acrylic NIPU and HNIPU and their methods of preparation.

Abstract: A sizing agent for carbon fiber comprising either a component (A) and a component (B), or alternatively, a component (A′), a component (B′) and a component (D), each of which is described below. Component (A): an epoxy compound with at least 1 epoxy group within each molecule, and with a surface energy of 17 to 34 mJ/m2; component (B): an epoxy compound with at least 1 epoxy group within each molecule, and with a surface energy of at least 35 mJ/m2; component (A′): an epoxy compound with at least 2 epoxy groups within each molecule, and with a surface energy of 17 to 34 mJ/m2; component (B′): an epoxy compound with at least 2 epoxy groups within each molecule, and with a surface energy of at least 35 mJ/m2; and component (D): an anionic surfactant with an aryloxy group as a hydrophobic group, with an ammonium ion as a counter ion, and with an alkylene oxide addition quantity of no more than 10 moles.

Abstract: A cationically polymerizable liquid composition is formed from a cationically polymerizable mixture (A) and a solid resin (B) that is compatible with the mixture (A) at room temperature and has a softening point of at least 40° C., so that the composition has a viscosity at 25° C. of 20 Pa·sec or below. The cationically polymerizable mixture (A) is formed from a monofunctional monomer (A-1) having in the molecule only one cyclic ether structure represented by formula (1) below, a polyfunctional monomer (A-2) having in the molecule at least two cyclic ether structures represented by formula (1) below, and a latent cationic polymerization initiator (A-3). A tacky polymer formed by cationic polymerization of the composition is also disclosed. (In formula (1), n denotes 0, 1, or 2, and R1 to R6 independently denote hydrogen atoms or hydrocarbon groups, which may have a substituent.

Abstract: An acid end-capped, linear inherently electrostatic dissipating block copolymer (acid end-capped IDP) composition has from about 95 to about 99.99 weight percent of an linear inherently electrostatic dissipating block copolymer (IDP) and from about 0.01 to about 5 weight percent of an acid end-capping reagent having an acid functionality of at least two. The linear IDP has from about 5 to about 85 weight percent of a soft segment of a polyalkylene glycol and from about 15 to about 95 weight percent of a hard segment. The hard segment is derived from a polymer having a glass transition temperature or crystalline melting temperature greater than ambient temperature and being reactive with a hydroxyl functionality. After formation of the IDP, the IDP is subsequently modified with the acid end-capping reagent to form the acid end-capped IDP composition. The acid end-capped IDP compositions may be added to thermoplastic base materials to form an alloy.

Abstract: There is here disclosed a thermosetting resin composition containing, as essential components, (a) an epoxy resin, (b) a curing agent, and (c) a silicone polymer having a bifunctional siloxane unit represented by the formula R2SiO2/2 (wherein R is the same or a different organic group) in the molecule.

Abstract: A modified chain aliphatic polyamine obtained by addition reaction of a chain aliphatic polyamine having a specific structure and an unsaturated hydrocarbon compound has a low viscosity and it provides, when used as a curing agent for epoxy resin, an epoxy resin composition which can provide an epoxy resin cured product having an excellent property. Further, a modified chain aliphatic polyamine composition obtained by addition reaction of a chain aliphatic polyamine having a specific structure and an unsaturated hydrocarbon compound followed by the removing step of unreacted chain aliphatic polyamine to reduce its amount less than 2% by weight provides, when used as a curing agent for epoxy resin, an epoxy resin composition which can provide an epoxy resin cured product having an excellent property.

Abstract: A composition for solid polymer electrolyte which comprises a polyether polymer and an electrolyte salt compound soluble in the polyether polymer; wherein said polyether polymer is either (1) a polyether polymer having a toluene insoluble content of not larger than 5 weight %, or (2) a polyether polymer having a Mooney viscosity of 3 to 190, which has been prepared by applying a shearing force under heated conditions using an extruder to a polyether polymer having a Mooney viscosity of 10 to 200 so that the Mooney viscosity is reduced by 5 or more. This composition exhibits good film-forming property, and gives a solid polymer electrolyte exhibiting good and uniform ionic conductivity, and having high mechanical strength and surface smoothness. The solid polymer electrolyte is suitable for batteries and capacitors, especially for a lithium ion secondary battery.

Abstract: Clear, amine-initiated polyether polyols are made by epoxidizing an amine in the presence of an alkali metal hydroxide catalyst. By reducing the amount of catalyst used during the polyol synthesis and by adding the catalyst after between 5 and 30% of the total amount of at least one alkylene oxide has been added, after lactic acid neutralization, gives a short chain polyol that has foam processing characteristics similar to the conventional sulfuric acid neutralized polyol. The polyols produced in this manner are particularly useful for the production of polyurethane and polyisocyanurate foams.

Abstract: An adhesive paste comprising liquid adhesive resin is partially curable to a tacky state at a temperature below the final cure temperature, and fully curable to a solid state at a temperature higher than used to reach the tacky state. In its tacky state, the adhesive paste will have sufficient strength to bond a silicon chip to a substrate with less than one kg force at room temperature. This ability is critical for thinner dies that may break with the use of greater force.

Abstract: A cured composition is the cured residue of a curable composition including (a) an epoxy resin essentially free of bromine atoms, a curing agent for the epoxy resin, (b) a flame retardant additive that is the condensation product of (i) a brominated phenol or a mixture of brominated phenols with (ii) a cyanuric halide; (c) a thermoplastic resin, and (d) a bismaleimide resin. The preferred epoxy resin is a mixture of an epoxy resin with less than 2 glycidyl ether groups per molecule and an epoxy resin that has greater than 2 glycidyl ether groups per molecule. The preferred flame-retardant additive is a brominated heterocyclic compound that preferably is a triazine. The preferred thermoplastic resin is a poly(phenylene ether). The cured composition further including a reinforcement may be used in the manufacture of circuit boards having excellent electrical properties, good solvent resistance, and good thermal expansion characteristics.

Abstract: The present invention relates to a polymer of formula (I), which has a liquid crystalline side chain and exhibits switchable tackiness at a narrow temperature range around its isotropic transition temperature: wherein, R1 is R2 is selected from the group consisting of —SO2—, —C(O)—, —CH(COOH)—, —C(COOH)2—, —C(S)— and —C(NH)—; R3 is —CH2— or —CF2—; R4 is H or F; a is an integer ranging from 30 to 500; b is an integer ranging from 1 to 3; and c is an integer ranging from 3 to 20.

Abstract: A polyol monomer comprising the formula: 1

Abstract: This invention relates to as process for the preparation of highly-branched polyols by polymerization of glycidol in the presence of a hydrogen-active starter compound with basic catalysis, wherein glycidol is added in dilute solution and the solvent used for the dilution is continuously distilled off. The polyols thus prepared are colorless, contain as the core unit solely the starter compound used and have polydispersities of less than 1.7.

Abstract: A method for making a hydrophilic and lubricious coating, the coating so made and a medical device including such coating, wherein the coating includes a hydrophilic polymeric unit layer cross-linked with a plasma deposited double bond monomer. The hydrophilic polymeric unit can include ethylene oxide with one or more primary or secondary alcohol groups or glycosaminoglycans such as hyaluronic acid, and the double bond monomer includes monomers containing at least one double bond, preferably a C═C, C═N or C═O bond, including N-trimethylsilyl-allylamine, ethylene, propylene and allyl alcohol. The invention also provides products containing such coatings and their uses in medical, pharmaceutical and cosmetic applications.

Abstract: A process is disclosed for producing an acidic superabsorbent polysaccharide derivative, comprising the steps of: (a) crosslinking at least one polysaccharide containing acidic groups, such as carboxymethyl cellulose and/or 6-carboxy starch, with a crosslinking agent to produce a gel; (b) if necessary, adjusting the pH of the polysaccharide to a value between 3.5 and 5.5; (c) comminuting the acidified polysaccharide gel; and (d) drying the comminuted polysaccharide at elevated temperature. The superabsorbent polysaccharide obtainable by this process has a pH below 5 and provides odour control when contacted with malodorous fluids.

Abstract: Process for purification of a polyol comprising the step of bringing the polyol, neutralized or un-neutralized, into contact with an organic salt aqueous solution, mixing the organic salt aqueous solution and the polyol, allowing the mixture to separate into a polyol phase and a salt water phase and removing the salt water phase.

Abstract: A method of forming a polyethercarbonate polyol using a multimetal cyanide compound is disclosed. The method includes providing a multimetal cyanide compound having a crystalline structure and a content of platelet-shaped particles of at least 30% by weight, based on the weight of the multimetal cyanide compound and further including at least two of the following components: an organic complexing agent, water, a polyether, and a surface-active substance. Then an alcohol initiator is reacted with at least one alkylene oxide and carbon dioxide under a positive pressure in the presence of the multimetal cyanide compound, thereby forming the polyethercarbonate polyol.

Abstract: A curable composition comprising a) an epoxy resin having on average more than one epoxide group per molecule and b1) an alkyldipropylenetrimine of general formula (I) and/or b2) an adduct of an alkyldipropylenetrimine of general formula (I) with b3) an epoxide compound having on average at least one epoxide group per molecule in which R is hydrocarbon radical 8 to 22 carbon atoms, and the use of this composition for mineral and metallic substrates.

Abstract: Novel phosphorus element-containing epoxy resin compositions and novel phosphorus-element containing epoxy resin compositions based on an isomeric mixture of tris(2-hydroxyphenyl)-phosphine oxide compounds including non-halogenated, ignition resistant epoxy resin formulations. The ignition resistant epoxy resin formulations are advantageously used for making laminates for printed wiring boards and composite materials.

Abstract: A polymer of a ring-opened functionalized epoxide is formed by the polymerization of a functionalized epoxide monomer having the structure E-CHR-G wherein E represents an epoxide group, R is hydrogen or an alkyl group, and G is a derivatizable group such as an unsaturated functionality or ester substituent.

Abstract: In accordance with the present invention, there are provided novel heterobifunctional monomers and users for the same. Invention compounds have many of the properties required by the microelectronics industry, such as, for example, hydrophobicity, high Tg values, low dielectric constant, ionic purity, low coefficient of thermal expansion (CTE), and the like. These properties result in a thermoset that is particularly well suited to high performance applications where typical operating temperatures are often significantly higher than those at which prior art materials were suitable. Invention compounds are particularly ideal for use in the manufacture of electronic components, such as, for example, printed circuit boards, and the like.

Abstract: An ink jet ink composition of water, a dye, a humectant and a hyperbranched polymer.

Abstract: This invention relates to fluxing underfill compositions useful for fluxing metal surfaces in preparation for providing an electrical connection and sealing the space between semiconductor devices, such as chip size or chip scale packages (“CSPs”), ball grid arrays (“BGAs”), land grid arrays (“LGAs”), flip chip assemblies (“FCs”) and the like, each of which having a semiconductor chip, such as large scale integration (“LSI”), or semiconductor chips themselves and a circuit board to which the devices or chips, respectively, are electrically interconnected. The inventive fluxing underfill composition begins to cure at about the same temperature that solder used to establish the electrical interconnection melts.

Abstract: The invention concerns a copolymer of ethylene oxide and at least one substituted oxirane carrying a cross-linkable function. The copolymer comprises ethylene oxide, —O—CH2—CHR— units in which R is a substituent containing a reactive function which is cross-linkable by free radical process, and possibly —O—CH2—CHR′— units in which R′ is a substituent containing no reactive function which is cross-linkable by means of a free radical process, It is characterized by an excellent polydispersity index I=Mw/Mn and a random distribution of the different monomer units. The copolymer is prepared by an anionic copolymerization process. The copolymer is useful for preparing a solid electrolyte having good mechanical properties, a good cationic conductivity and a good chemical compatibility with the electrodes of a generator operating with alkali metals such as lithium and sodium.

Abstract: This invention relates to polymeric thermoplastic moldable compositions comprising poly(alkylene carbonates), which are useful in manufacturing of articles which may be manipulated and shaped by their user, but regain their shape after distortion. These compositions are free from toxic compounds and have a glass transition temperature from about 15° C. to about 132° C. These compositions are useful in manufacturing of articles such as toys, utensils to convey solids or liquids to the mouth, soothing articles (i.e., teething rings and pacifiers) and articles which support food (i.e., candy/confection sticks or holders.) They are most useful in manufacturing of children's toys and products.

Abstract: Water-dilutable binders which are self-crosslinking at room temperature, comprising reaction products ABF with epoxy-amine adducts A and formaldehyde resin formers B selected from phenols B1, (substituted) ureas B2, melamine B3, guanamines B4, and mixtures of said resin formers, with formaldehyde F or compounds which give off formaldehyde under the reaction conditions, may be formulated, following at least partial neutralization, to give aqueous coating materials which give coatings affording outstanding corrosion protection.

Abstract: Disclosed are glycidyl di-nitropropyl carbonate and poly(glycidyl di-nitropropyl carbonate) which is prepolymer used as an energetic binder for an insensitive and high performance explosive. The present invention introduces the nitro group instead of the nitrate group, thereby enabling to provide the prepolymer having the high thermal stability (thermal decomposition initiating temperature of at least 200° C. or higher) more excellent than that of the conventional energy binder.

Abstract: A method for producing partially fluorinated epoxides and corresponding polyether homopolymers of these polyfluorinated epoxides is described. Also described is a method for incorporating a fluoroalcohol functional group into a polymer as a pendant group. Certain perfluorinated olefins are also described. These polyfluorinated epoxides and the associated polymers and methods relating to them are useful components in photoresists, particulary in lithographic photoresists for use at low ultraviolet wavelengths (e.g., 157 nm).

Abstract: The invention concerns the field of polymerization and/or cross-linking reaction catalysis by cationic process of monomers, oligomers and/or polymers. In particular, novel polymerization and/or cross-linking initiator systems comprising at least one onium borate and at least one benzophenone are described to satisfy the ever greater exigencies of productivity and manufacture. The initiators are used in particular for preparing resins and/or composite materials based on an organic and/or silicon matrix or optionally a matrix of acrylic monomers, oligomers, or polymers.

Abstract: A method for making flexible epoxy resins by curing an epoxide and a bis-phenol with an aliphatic secondary diamine having the structural formula (I) or (II): where R1 and R2 are each individually an alkyl, alkenyl, aryl, or arylalkyl group having from about 1 to about 20 carbon atoms, and R3 and R4 are each individually an alkyl or alkenyl group having from about 1 to about 20 carbon atoms, or hydrogen.

Abstract: Phosphorus-comprising polyol, oligomer derived from this phosphorus-comprising polyol, polymer derived from this oligomer, processes for their preparation and uses of these. The present invention relates to a phosphorus-comprising polyol. The invention also relates to an oligomer derived from this phosphorus-comprising polyol and to the composition comprising this oligomer. The invention also relates to a polymer derived from this oligomer. The invention also relates to processes for the preparation of this phosphorus-comprising polyol, of this oligomer, of this polymer and of this composition. The invention also relates to the uses of this phosphorus-comprising polyol, of this oligomer, of this polymer and of this composition. The composition can be cross-linked by irradiation and exhibits flame-retardant properties.

Abstract: A curable underfill encapsulant composition which is especially useful in the no-flow underfill encapsulation process. The composition contains an epoxy resin, a fluxing agent, a linear polyanhydride and a catalyst. In an alternative embodiment, the composition also contains a linear anhydride. Various additives, such as surfactants and coupling agents may also be added to the composition.

Abstract: A cytotoxic agent comprising one or more polyethylene glycol-containing taxanes linked to a cell binding agent. A therapeutic composition for killing selected cell populations comprising: (A) a cytotoxic amount of one or more polyethylene glycol-containing taxanes covalently bonded to a cell binding agent through a linking group, and (B) a pharmaceutically acceptable carrier, diluent or excipient. A method for killing selected cell populations comprising contacting target cells or tissue containing target cells with an effective amount of a cytotoxic agent comprising one or more polyethylene glycol-containing taxanes linked to a cell binding agent.

Abstract: Products of the reaction between I) the reaction product of reactants comprising A) a linking agent of formula I R4(Y)3  (I)  wherein each Y group is a halogen atom or one Y group is a halogen atom and two Y groups represent an oxygen atom, which is attached to two adjacent carbon atoms in the R4 group to form an epoxy group, and R4 is an alkanetriyl group containing from 3 to 10 carbon atoms; and B) a compound formula II R3(EO)n(PO)m(BO)pX  (II)  wherein R3 is a substituted or unsubstituted, saturated or unsaturated, aliphatic or araliphatic oxy or thio group having from 1 to 36 carbon atoms or a secondary amino group having from 2 to 36 carbon atoms; n is a number of from 0 to 50; m is a number of from 0 to 50; p is a number of from 0 to 50; and X is hydrogen, or X can be a mercapto group or an amino group in place of a terminal —OH group, provided that when X is mercapto or amino; the sum of n, m, and p must be at least 1; and the mole ratio of A:B is from about 0

Abstract: A free radical-curable epoxy composition comprises epoxy resin and a copolymerizable material including a monomer having amide, acrylamide, or hydroxyl functionality, and is advantageously devoid of any cationic catalyst ingredient.

Abstract: This invention relates to thermosetting resin compositions useful for mounting onto a circuit board semiconductor devices, such as CSPs, BGAs, LGAs and the like, each of which having a semiconductor chip, such as LSI, on a carrier substrate. The compositions of this invention are reworkable when subjected to appropriate conditions.

Abstract: Process for purification of a polyol comprising the step of bringing the polyol, neutralised or un-neutralised, into contact with an organic salt aqueous solution, mixing the organic salt aqueous solution and the polyol, allowing the mixture to separate into a polyol phase and a salt water phase and removing the salt water phase.

Abstract: This invention relates to crystallizing polyether polyols which can be produced firstly by the reaction of propylene oxide and polyhydroxy compounds in the presence of an alkoxy compound which contains zinc and/or aluminium atoms to form a crystallizing polyether polyol with an average molecular weight Mn from 500 to 5000, followed by the further reaction of the crystallizing polyether polyol which is thus obtained with 10 to 90% by weight, with respect to the amount of crystallizing polyol, of an epoxide in the presence of a catalyst which does not polymerize propylene oxide stereospecifically, to form a crystallizing polyether polyol with an average molecular weight Mn from 1000 to 20,000. The invention further relates to a method for the production thereof and to the use thereof for the production of polyurethane materials, particularly polyurethane foams, polyurethane elastomers and polyurethane coatings.

Abstract: Novel ultraviolet absorbing compounds that are liquid in nature, are extremely low in color (and thus permit use without the concomitant necessity of adding large amounts of other coloring agents to combat such discoloring), and are highly effective in providing protection in wavelength ranges for which previous attempts at low-color ultraviolet absorbers have failed are provided herein. Such compounds provide such excellent, inexpensive, and beneficial protection from ultraviolet exposure within various media, including, but not limited to, clear thermoplastics. The particular compounds are generally polymeric in nature including various chain lengths of polyoxyalkylenes thereon and are liquid in nature to facilitate handling and introduction within the target media. In addition, such ultraviolet absorbers also exhibit extremely low migratory properties thereby providing long-term protective benefits to the target media as well.

Abstract: Described are chiral liquid crystalline polymer materials and polymerizable compounds used for preparing them. The polymer materials can serve as a carrier material or are coated onto a carrier material. Also described are methods of making such materials and using them to make pigment flakes used in paints, printing inks, spray paints, cosmetic products, colored plastics, optical elements and security applications.

Abstract: Taxane prodrugs comprise a taxane joined by a hydrolyzable bond to one or more oligomers that comprise a polyethylene glycol moiety. The oligomer preferably further comprises a salt-forming moiety.

Abstract: The present invention relates to shape deformable materials, which are capable of (1) being deformed, (2) storing an amount of shape deformation, and (3) recovering at least a portion of the shape deformation when exposed to a humid environment. The shape deformable materials can advantageously be in the form of films, fibers, filaments, strands, nonwovens, and pre-molded elements. The shape deformable materials of the present invention may be used to form products, which are both disposable and reusable. More specifically, the shape deformable materials of the present invention may be used to produce products such as disposable diapers, training pants, incontinence products, and feminine care products.

Abstract: A polymerization process for producing highly branched polyesters is disclosed comprising reacting functional groups A and B of multi-functional branching monomer reactants of the formula A—L—Bn, where one of A and B represents an epoxide group, the other of A and B represents an acid chloride group, L represents a linking group between A and B, and n is at least 2. In accordance with a specific embodiment of the invention, branched polyesters are obtained which have a number average molecular weight of at least 1000 and a ratio of weight average molecular weight to number average molecular weight of less than 2. The invention provides a process for producing highly branched polyesters in one reaction step. The invention has the capability of making highly branched structures of high molecular weight and low polydispersity and has the advantages of not requiring multi-step reactions and purification.

Abstract: The object of the present invention is to provide resin compositions conferring cured materials (a coating or the like) with excellent appearance, excellent mechanical properties, or the like. The present invention provides resin compositions containing a vinyl copolymer with an epoxy group and a branched glutaric acid.

Abstract: The present invention concerns polymers obtained by anionic initiation and bearing functions that can be activated by cationic initiations that are not reactive in the presence of anionic polymerization initiators. The presence of such cationic initiation functions allow an efficient cross-linking of the polymer after moulding, particularly in the form of a thin film. It is thus possible to obtain polymers with well-defined properties in terms of molecular weight and cross-linking density. The polymers of the present invention are capable of dissolving ionic compounds inducing a conductivity for the preparation of solid electrolytes.

Abstract: The present invention comprises novel preparations of polyoxypropylene/polyoxyethylene copolymers which retain the therapeutic activity of the commercial preparations, but are substantially free from the undesirable effects which are inherent in the prior art preparations. Because the preparations of polyoxypropylene/polyoxyethylene copolymers which comprise the present invention are a less polydisperse population of molecules than the prior art polyoxypropylene/polyoxyethylene copolymers, the biological activity of the copolymers is better defined and more predictable.