Abstract: Disclosed is a powdered polymeric lubricant having a multi-layer structure as a processing aid capable of being used to improve processability of a vinyl chloride resin, and a manufacturing method thereof. The powdered polymeric lubricant having multi-layer structure according to the present invention has an excellent ability to prevent its adhesion to a metal surface upon its processing so as to give a long-term workability to extrusion, calendaring, blow molding, injection molding, etc., when a small amount of the powder of the present invention is mixed with a vinyl chloride resin. Accordingly, the present invention provides a powdered polymeric lubricant capable of controlling compatibility with the vinyl chloride resin and minimizing the adhesive property to a metal surface of a processing machine when a vinyl chloride resin is processed with a polymer including a silicone-based polymer.

Abstract: The invention relates to a process for reacting (i) thermoplastic polyurethanes with (ii) compounds having isocyanate groups, where the (ii) compounds used having isocyanate groups comprise (iia) compounds having at least three isocyanate groups based on aliphatic isocyanates and (iib) compounds having two isocyanate groups based on aromatic isocyanates.

Abstract: An isobutene polymer which has an average of at least 1.4 terminal 1,3-propanediol groups is described, as is a crosslinking product thereof. Suitable crosslinkers are difunctional or higher-functionality isocyanates or epoxy compounds having at least two epoxide groups. The crosslinking products exhibit high storage moduli even at elevated temperatures.

Abstract: A method for making a polyarylether block copolymer having amide functionality including reacting a dihydroxyaromatic compound having amide functionality and a dihaloaromatic sulfone or dinitroaromatic sulfone in the presence of a base to form a polyarylether having amide functionality and reacting the polyarylether having amide functionality with a polymer. The block copolymer and blends are also provided.

Abstract: A composition including a polyarylether copolymer is provided. The copolymer includes a polyarylether backbone; and a sulfonated oligomeric group bonded to the polyarylether suitable for use as a cation conducting membrane. Method of bonding a sulfonated oligomeric group to the polyarylether backbone to form a polyarylether copolymer. The membrane may be formed from the polyarylether copolymer composition. The chain length of the sulfonated oligomeric group may be controlled to affect or control the ion conductivity of the membrane.

Abstract: The present invention provides a crosslinkable waterborne coating composition useful for providing protective coating to wood and other substrates. The coating composition includes a vinyl addition latex polymer having a first crosslinkable functional group and a polyurethane dispersion having a second crosslinkable functional end group. The coating composition is preferably essentially formaldehyde free.

Abstract: A glue for packaging a light emitting diode (LED) is described and includes a first set of compositions and a second set of compositions mixed based on a predetermined weight ratio. The first set of compositions is poly(dimethyl siloxane), and the second set of compositions includes a copolymer of dimethyl siloxane, methyl hydrogen siloxane, and vinyl siloxane. The copolymer in the second set of compositions has a weight percentage from about 94% to 99%, dimethyl siloxane in the copolymer has a weight percentage from about 84% to 90%, methyl hydrogen siloxane in the copolymer has a weight percentage from about 4% to 9%, and vinyl siloxane in the copolymer has a weight percentage from about 2% to 7%. A use of the glue for packaging a LED is also described.

Abstract: An object of the present invention is to provide a coating composition for forming a coating film having extremely high scratch resistance which could not be achieved up to now, concretely, such a degree of scratch resistance that even if the surface of a coating film is rubbed under strong external force by a cloud of sand flying and others while car washing and running, the surface can endure it.

Abstract: The present invention is directed to a coating composition that when applied over untreated thermoplastic and thermosetting resinous substrates, produces an adherent coating thereon. The composition includes a crosslinkable component and a crosslinking component. The crosslinkable component includes a polymeric mix containing at least one crosslinkable copolymer polymerized from a monomer mixture comprising one or more ethylenically unsaturated monomers having on average 1 to 10, preferably 1 to 4 and more preferably 1 to 2 hydroxyl groups and a saturated hydrocarbon polymer. The crosslinkable component includes one or more cycloaliphatic polyisocyanate of the formula: R1—(R2—NCO)n wherein R1 is a substituted or unsubstituted cycloaliphatic group, R2 is independently selected from a direct bond, a straight aliphatic group or branched aliphatic group, and wherein n ranges from 2 to 10.

Abstract: High strength silicone elastomers with enhanced physical properties are prepared from silicone polymers having ionic or organometallic functional groups, crosslinked through coulombic interactions and/or covalent bonds.

Abstract: This invention relates to coating compositions and more particularly to highly productive coating compositions that quickly harden for sanding or buffing by incorporating therein a polyisocyanate adduct mixture into the coating composition as the crosslinking material. Such coatings are particularly useful for refinishing automobiles and trucks.

Abstract: The invention relates to a high gloss car wash-resistant coating composition comprising a hydroxyl-functional binder and a cross-linker reactive with the hydroxyl groups of the binder and a method to prepare such a car wash-resistant coating. The invention further relates to the use of said coating composition, as a pigment-free top coat or a clear coat, in the finishing and refinishing of articles, for example motorcycles, cars, trains, buses, trucks, and aeroplanes. The coating composition after curing forms a coating having an initial gloss of at least 81 GU and a loss of gloss (LoG) of less than 0.18, the loss of gloss being determined by the formula (I): LoG=A+B·E?·(X)?1·10(C·?Tg)+D·(E?)?0.5; wherein A=0.0132, B=1.0197, C=0.0113, and D=0.0566, E? reflects the tensile storage modulus at 40° C. in GPa, ?Tg the width of the glass transition temperature in ° C., and X the cross-link density parameter in kPA/K all three parameters determined in a DMTA test at 11 Hz and a heating rate of 5° C./min.

Abstract: Disclosed are polymers that include components produced from renewable resources and methods for forming the disclosed polymers. The polymers include the reactive intermediates that in turn include components derived from, for example, lactide or sorbitol. The reactive intermediates can be polymerized with each other as well as with more traditional resins to form polymeric networks. In one embodiment, the disclosed intermediates can be utilized in forming vinyl ester resins. In particular, the vinyl ester-styrene resins and thermoset networks formed therefrom including the disclosed intermediates can include lower styrene content than previously known vinyl ester-styrene resins, and can exhibit physical characteristics such as glass transition temperature and flexural strength properties equal to previously known vinyl ester-styrene resins that include a higher styrene content.

Abstract: The present invention is directed to a method of producing an adherent coating over untreated thermoplastic and thermosetting resinous substrates from a coating composition that includes a crosslinkable component and a crosslinking component that are mixed prior to application and applied over the substrate. The crosslinkable component includes a polymeric mix containing at least one crosslinkable copolymer polymerized from a monomer mixture comprising one or more ethylenically unsaturated monomers having on average 1 to 10, preferably 1 to 4 and more preferably 1 to 2 hydroxyl groups and a saturated hydrocarbon polymer. The crosslinkable component includes one or more cycloaliphatic polyisocyanate of the formula: R1—(R2—NCO)n wherein R1 is a substituted or unsubstituted cycloaliphatic group, R2 is independently selected from a direct bond, a straight aliphatic group or branched aliphatic group, and wherein n ranges from 2 to 10.

Abstract: A sulfur-containing cyclic olefin resin comprising a unit represented by the following general formula (1) and having a weight average molecular weight of from 1,000 to 1,000,000. (Here, R1 to R6 each independently represents a hydrogen atom, an alkyl group having from 1 to 20 carbon atoms, an aralkyl group having from 1 to 20 carbon atoms, an aromatic group having from 1 to 20 carbon atoms, a cyano group, an alkoxy group having from 1 to 10 carbon atoms or a heterocyclic compound, further R3 to R6 may be a halogen atom, R3 and R4, and R5 and R6 may form a ring containing carbon, oxygen, sulfur or nitrogen, R7 and R8? each independently represents a hydrogen atom or a methyl group, . . . represents a single bond or a double bond, and l and m each is 0 or 1.

Abstract: A phosphor-containing addition-curable silicone resin composition is provided. The composition is capable of forming a cured product which exhibits excellent crack resistance and shock resistance, and minimal surface tackiness. The composition includes (A) an organopolysiloxane including R1SiO1.

Abstract: Provided is a curable organosilicon composition comprising (A) a polycyclic hydrocarbon group-containing organosilicon compound, which comprises two hydrogen atoms bonded to silicon atoms within each molecule, and is an addition reaction product of (a) an organosilicon compound having two hydrogen atoms bonded to silicon atoms within each molecule, and (b) a polycyclic hydrocarbon compound having two hydrosilylation reactive carbon-carbon double bonds within each molecule, (B) a siloxane-based compound having two or more alkenyl groups bonded to silicon atoms within each molecule, and (C) a hydrosilylation reaction catalyst.

Abstract: A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a first polyester comprising repeating units derived from cyclohexane dicarboxylic acid or a chemical equivalent thereof, and a C2-8 aliphatic diol or a chemical equivalent thereof, and a second polyester comprising units derived from isophthalic and/or terephthalic acid and a chemical equivalent thereof, and a C2-8 aliphatic diol or a chemical equivalent thereof. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.

Abstract: A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a first polyester selected from poly(ethylene terephthalate), poly(ethylene isophthalate), or a combination thereof, and a second polyester comprising butylene terephthalate units, cyclohexanedimethylene terephthalate units, or a combination of cyclohexanedimethylene terephthalate units and ethylene terephthalate units. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.

Abstract: The invention relates to a primer composition comprising a compound A1 which contains isocyanate-reactive groups. In order to produce said compound A1, a polyisocyanate A that is provided with at least three isocyanate groups, at least one silane B of formula (I), and a crosslinking agent C comprising at least three isocyanate-reactive functional groups are used. Also disclosed is the use of the inventive primer composition as a primer for adhesives, sealing compounds, or floor coverings, especially one-component moisture-hardening polyurethane adhesives or polyurethane sealing compounds based on polyurethanes or polyurethane-silane hybrids. The inventive primer composition is characterized particularly by excellent adhesion to glass and glass ceramics as well as an extended open time.