Abstract: Gel-type copolymer beads are described which are useful as ion exchange resins such as those used in the treatment of power plant condensate water. The subject copolymer beads possess an interpenetrating polymer network of at least two polymer components including: (i) a first polymer component derived from a first monomer mixture comprising a first monovinylidene monomer having a styrenic content less than about 50 molar percent and (ii) a second polymer component derived from a second monomer mixture comprising: a second monovinylidene monomer having a styrenic content greater than about 50 molar percent and a second crosslinking agent. The ratio of the molar percent crosslinking agent of the first polymer component to the second polymer component is less than about 0.7. Methods for making the subject beads and methods for their use as ion exchange resins for treating aqueous solutions are also provided.

Abstract: A compound useful as a catalyst or as a cocatalyst in combination with a Group 3-10 metal for addition polymerizations corresponding to the formula: [M′Q12L′I′]+(Arf3MQ2)— wherein: M′ is aluminum, gallium, or indium.

Abstract: A form assemblage for making concrete and other building walls is disclosed. The form assemblage includes interlocking interior and exterior wall panels that are connected at a predetermined spacing with panel connectors that interlock with the interior wall panels and the exterior wall panels. The panel connectors have means for holding insulating foam panels at a position intermediate to the interior and exterior wall panels. Cavities between the insulating foam panels and the exterior and/or interior wall panels can be filled with concrete or other load-bearing materials. In certain aspects, the form assemblage can be used as a wall structure without the use of the load-bearing material.

Abstract: Elastic fibers and fabrics made from homogeneously branched linear ethylene polymers are disclosed. The elastic fibers and fabrics can be used to produce structures that can have recycle compatibility between elastic and non elastic components. The novel fibers have at least about 50% recovery at 100% strain. The fibers and fabrics are especially useful in making fabricated articles and components thereof (e.g., disposable diapers).

Abstract: An emulsified reactive epoxy polymer composition which is readily dispersed in water particularly suited for use in a coating composition which may be cured at ambient temperatures. The emulsified composition incorporates a hydrophilic polyoxyalkylene segment.

Abstract: A method for making a syndiotactic vinylaromatic polymer. The method includes mixing a first amount of a vinylaromatic monomer with a catalyst in a first back-mixed reaction zone under polymerization conditions such that the vinylaromatic monomer polymerizes to a conversion of from 60 to 85 percent to form a polymer-containing mixture. The polymer-containing mixture is passed to at least one other back-mixed reaction zone where it contacts a second amount of the vinylaromatic monomer under polymerization conditions such that the syndiotactic vinylaromatic polymer is formed.

Abstract: A high temperature heat transfer fluid is disclosed which comprises a mixture of 1,2,3,4-tetrahydro(1-phenylethyl)naphthalene and dibenzyl toluene to provide high temperature heat transfer fluids exhibiting favorable thermal stability.

Abstract: A polymeric resin is disclosed in the form of beads or particles having a coating thereon which renders the resin blood compatible. The resin comprises divinylbenzene monomer which has a porosity, pore size, and surface area suitable for absorbtion of unhealthy components of blood, such as &bgr;-2-microglobulin.

Abstract: A composition of matter comprising: A) from 25 to 90 parts by weight of a syndiotactic, vinylaromatic polymer, B) from 5 to 30 parts by weight of an oil extended, elastomeric polyolefin; C) from 1 to 10 parts by weight of a compatibilizer comprising a styrene containing block copolymer or a hydrogenated derivative thereof; D) from 0 to 25 parts by weight of a domain forming rubbery polymer comprising a styrene/conjugated diene triblock copolymer or a hydrogenated derivative thereof; E) from 0 to 5 parts by weight of a nucleator for the syndiotactic, vinylaromatic thermoplastic resin, F) from 0 to 60 parts by weight of a reinforcing agent, and G) from 0 to 90 parts by weight of a polyarylene ether or polar group modified polyarylene ether.

Abstract: Group 3-6 or Lanthanide metal complexes possessing two metal centers joined by means of a divalent bridging group joining trivalent moieties comprising boron or a member of Group 14 of the Periodic Table of the Elements, and optionally also comprising nitrogen, phosphorus, sulfur or oxygen, in the complexes, catalysts derived therefrom by combining the same with strong Lewis acids, Bronsted acid salts, salts containing a cationic oxidizing agent or subjected to bulk electrolysis in the presence of compatible, inert non-coordinating anions and the use of such catalysts for polymerizing olefins, diolefins and/or acetylenically unsaturated monomers are disclosed.

Abstract: According to the present invention, there is a methylcellulose having a methoxy substitution of about 21 to about 42 percent based upon the weight of the cellulose ether and elastic modulus (EM) of EM≧181.3×(v0.2711) wherein “v” is viscosity of a two percent solution of the cellulose ether at 20° C. Further described is a process for making the cellulose ether, a food composition containing it, and a pharmaceutical capsule containing it.

Abstract: Gaskets comprising either at least one homogeneously branched ethylene polymer or at least one elastic substantially linear ethylene polymer, at least one ethylene/carboxylic acid interpolymer; and at least one slip agent are disclosed. These gaskets may also contain enhanced polyethylenes produced by the direct polymerization of various combinations of novel elastic substantially linear olefin polymers in multiple reactors using either single or multiple catalysts. These gaskets may also be comprised of at least one ethylene polymer and at least one ionomer. The above mentioned gaskets may also contain slip agents and/or foaming agents. The gaskets are particularly useful for sealing food and liquid containers and do not contribute to taste and/or odor of the packaged product, which is especially useful in food-stuff applications.

Abstract: The oligomers of the present invention are polyureas, polycarbonates, polyesters or polyamides having a number average molecular weight of <10,000. These oligomers are water-soluble, have a rigid backbone with a predictable anion spacing, and are, pharmaceutically-acceptable. The oligomers are useful for the treatment and/or diagnosis of HSV and HCMV.

Abstract: A process for improving the green strength of ethylene/&agr;-olefin/diene polymers is described comprising (A) selecting an ethylene/&agr;-olefin/diene polymer having a Mooney viscosity at 125 C up to about 80 and a percent gel (% gel) up to about 30 percent and (B) partially crosslinking the ethylene/&agr;-olefin/diene polymer selected in step (A) to make a modified ethylene/&agr;-olefin/diene polymer satisfying the equations MV≦100 and W ≤ ( MS 2 - MS 1 MS 1 ) wherein MV is the Mooney viscosity of the modified polymer, MS1 is the melt strength in centiNewtons of the polymer selected in step (A) at 110 C, when formulated according to ASTM D3568#2, MS2 is the melt strength in centiNewtons of the modified polymer produced by step (B) measured under the same conditions, and W is 0.3.

Abstract: A soft foam having an Asker C hardness of less than about 65, comprising; (A) from about 30 to about 70 percent by weight (based on the combined weight of Components A and B) of one or more alkenyl aromatic polymers and wherein at least one of said alkenyl aromatic polymers has a molecular weight (Mw) of from about 100,000 to about 500,000; and (B) from about 30 to about 70 percent by weight (based on the combined weight of Components A and B) of one or more substantially random interpolymers having an I2 of about 0.1 to about 50 g/10 min, an Mw/Mn of about 1.

Abstract: An insulating polymer foam sheet having two major sides and at least one groove in at least one of said sides. At least a portion of the foam sheet adjacent to the groove is compressible and resilient, and has a length and height the same as the adjacent groove. Each groove and compressible portion is of a width that permits the groove to receive and tightly fit around a support member in a frame building construction.

Abstract: A composition which is densifiable at low temperatures in an air atmosphere suitable for use as an interconnect layer in a solid oxide fuel cell. Binary alloying of SrO and CaO with LaCrO3 is used to form a compound having the general formula La(1−x)(Sr,Ca)xCrO3 which is a stabilized form of LaCrO3 and has the desirable properties for a fuel cell interconnect layer.

Abstract: According to the present invention, there is a methylcellulose having a methoxy substitution of about 21 to about 42 percent based upon the weight of the cellulose ether and elastic modulus (EM) of EM≧181.3×(v0.2711) wherein “v” is viscosity of a two percent solution of the cellulose ether at 20° C. Further described is a process for making the cellulose ether, a food composition containing it, and a pharmaceutical capsule containing it.

Abstract: This invention relates to a pinhole-free, pinhole-resistant extrusion composition comprising at least one olefin polymer and to a method of making a pinhole-free, pinhole-resistant coated or laminated substrate. The invention uses either a single polymer composition or a polymer blend wherein the composition has a corrected or actual Goettfert melt strength value in the range of from about 0.01 to about 6.5 centiNetwons to provide a pinhole-free, pinhole-resistant extrusion coating, extrusion lamination, adhesive lamination or in-mold coating or the like. Suitable olefin polymers include high pressure, free-radical initiated ethylene polymers and homogeneously branched ethylene polymers with polymer blends of low density polyethylene and substantially linear ethylene polymers particularly preferred. The coatings, moldings, films or laminations are useful for various substrates including paperboard and can protect against product leakage in such applications as disposable cups for hot beverages.

Abstract: Disclosed is an extruded, dimensionally stable, closed cell alkenyl aromatic polymer foam. The foam comprises an alkenyl aromatic polymer material greater than 50 percent by weight of alkenyl aromatic monomeric units. The foam has a density of about 16 to about 64 kilograms per cubic meter. The foam has a thickness in cross section of 15 millimeters or more. The foam has a blowing agent composition comprising a primary blowing agent of about 70 to about 95 weight percent 1,1,2,2-tetrafluoroethane and a secondary blowing agent comprising about 30 to about 5 weight percent based upon the total moles of the blowing agent composition. The secondary blowing agent being selected from the group consisting essentially of 1,1,1,2-tetrafluoroethane, carbon dioxide, nitrogen, argon, and water. Further disclosed is a process for making the foam.