Abstract: The present invention relates to a release coating composition that may be applied to a film that may then be used as a substrate useful for applications requiring release for a broad range of temperatures and high humidity conditions, which temperatures may range from about 20° C. to about 210° C. These applications include release substrate used in the manufacture of calendared cured sheet rubber and molding paste composites, such as sheet molding compound (SMC), thick molding compound (TMC), bulk molding compound (BMC) and fiberglass composites. The release coating composition comprises a solution of a hydroxypropyl methylcellulose having hydroxypropyl molar substitution of from 0 to about 0.82. In a preferred form, particulate solids are present in the composition.

Abstract: A method is provided for simulating and modeling the presence and growth of a microbe, including a pathogen or spoilage organism, in a food product through a food supply chain. The food supply chain includes a plurality of major food handling steps, a plurality of food processing steps within each of the major food handling steps and a plurality of parameters relating to the food supply chain and the microbe.

Abstract: A process for making pouches filled with a flowable material, using a vertical form, fill and seal apparatus, wherein the pouch is made from a blown film formed from a blend comprising a linear polymer of ethylene with at least one C4-C10 alpha-olefin manufactured in a single-site catalyst polymerization process, and at least one of the following a) a linear polymer of ethylene with at least one C4-C10 alpha-olefin made by a multi-site catalyst polymerization process; b) a high pressure low density polyethylene; and c) additives selected from the group consisting of stabilizers, antiblock additives and extrusion aids.

Abstract: Heat exchangers which have heat exchange structures made from at least one layer of an isotropic polymer and at least one layer of a thermotropic liquid crystalline polymer are particularly useful where light weight is important, such as in automobiles, trucks and aircraft.

Abstract: A process for producing mono-axially oriented polyethylene terephthalate film having increased mechanical strength in the machine direction which comprises the steps of drying substantially homopolymer or copolymer polyethvlene terephthalate resin having an intrinsic viscosity in the range of about 0.65 to about 0.85 dg/cc and then blending the dried resin with from about 0.5 to about 4.0% by weight of anti-block additive; extruding the resin blend to re-melt the resin and make it homogeneous: casting a film web with the resin blend; orienting the film immediately after casting it to produce a film of uniform thickness, by drawing the film at a ratio of from about 3.5 to about 4.

Abstract: This invention relates to non-aqueous coating and ink formulations for use on flexible film or paper packages for food, which require aseptic packaging conditions. The printed and coated packaging materials, and methods of aseptic packaging, as well as the aseptic packages are also disclosed. The coating formulation comprises the following components: 1) a mixing varnish comprising a phenolic-modified co-solvent-type polyamide resin, 2) a nitrocellulose compound varnish, 3) a non-aqueous solvent mixture, and 4) specialty additives, and wherein all components present in the formulation are stable in the presence of an oxidizing agent.

Abstract: A silicone-containing resin, film and film on a subweb are described. The resin and film are formed from (i) polyolefin, (ii) dimethyl polysiloxane having functional end-groups, (iii) vinyl silane compound, and (iv) ultra-high molecular weight silicone polymer optionally using (v) an organo-peroxide agent and (vi) an organo-metallic moisture curing agent. Resins consisting essentially of (a) functionalized polyolefins; (b) dimethyl polysiloxanes having functional end-groups to react with said functionalized polyolefins; (c) ultra-high molecular weight silicone and optional organo-metallic moisture curing agent and films or multilayer structures made therefrom are also described. The film is suitable for use in release films and in liquid-absorbing products.

Abstract: A pouch for containing a flowable material, said pouch being made from a film in tubular form and having transversely heat-sealed ends, said film being made from at least one layer of a material comprising about 50 to about 100 parts by weight of a hybrid interpolymer of ethylene and a C3-C20 alpha-olefin made by a polymerization process using both a metallocene catalyst and a Zeigler-Natta catalyst, the hybrid interpolymer having a density of from about 0.910 to about 0.940 g/cm3, a melt index of from about 0.1 to about 2.0 dg/min, and a melt strength of greater than about 3.5 Centi Newtons as determined using a Goettfert Rheotens unit at 190° C. and from 0 to about 50 parts by weight of a high-pressure polyethylene having a density of from about 0.916 to about 0.924 g/cm3 and a melt index of from about 0.01 to about 10 dg/min. Also described is a process for making such pouches.

Abstract: A pouch containing a flowable material and films and processes for making the pouch are disclosed. The pouch is made from a sealant film having at least two heat-sealed edges and made from a material comprising a copolymer of ethylene and at least one C4-C10 alpha-olefin manufactured in a polymerization process using a single-site polymerization catalyst.

Abstract: There is provided a process for improving the color of anhydride-grafted polymers. The process includes the steps of admixing in an extruder a polyolefin, a free radical initiator, and an anhydride-providing monomer at a temperature above the melting point of the polyolefin, adding an effective amount of an oxo-boron compound to the admixture; and extruding the resultant anhydride-grafted polymer into a shaped article.

Abstract: An apparatus and method for making thermotropic liquid crystalline polymer films with improved transverse direction properties comprises two preferably embossed rollers which oscillate oppositely with respect to each along their respective rotational axes. Film made by passing a liquid crystalline polymer between such rolls has improved transverse direction properties. Such films are useful in multilayer containers and for circuit boards.

Abstract: A process for making partially aromatic polyamides is provided in which an aromatic dicarboxylic acid component, at least 20-100% by weight of the dicarboxylic acid in the acid component is in the form of an alkylated ester, and a diamine component, comprising a diamine having from 6-12 carbon atoms, are admixed in the presence of water and with heating to form polyamide having from 1-100% on a molar basis of N-alkylated amide and amine groups. The polyamides are particularly useful in the manufacture of products intended for use at elevated temperatures or products in which retention of properties at elevated temperatures is required, including articles using injection molding technology, parts for automotive end-uses and electronics. The polyamides can also be formed into films and fibers for use in associated products.

Abstract: A method for the grafting of a monomer onto a polyolefin in the presence of an organic peroxide is disclosed. The polyolefin is a polyolefin that, when molten, undergoes cross-linking in the presence of the organic peroxide. The method comprises: (a) admixing the polyolefin in an extruder with 25 to 6000 ppm, based on the weight of the polyolefin, of an organic peroxide coated onto a carrier polymer and up to 5%, by weight of the polyolefin, of a grafting monomer capable of being grafted onto the polyolefin in the presence of the organic peroxide. The admixture is heated to a temperature above the melting point of both the polyolefin and the carrier polymer under admixing conditions to effect grafting of said grafting monomer onto the polyolefin, said carrier polymer undergoing chain scission in preference to cross-linking in the presence of the organic peroxide at said temperature. Grafted polyolefin is extruded from the extruder.

Abstract: Dendrimers were directly and covalently attached to solid supports via siloxy bonds. After complexation with transition metals, the dendrimers were used as catalysts. The supported dendrimers were stable and easily separated from the reaction mixture.

Abstract: A multi-stage process for the manufacture of branched aliphatic polyamides is provided. The process comprises the steps, in sequence, of feeding to a reactor a slurry of at least one aliphatic dinitrile, and at least one aliphatic diamine, at least one of which is branched, in the presence of 0.05 to 2% by weight of a phosphorous-containing compound, with the incremental addition of water, heating the slurry to a temperature of at least 270° C. while maintaining a pressure of at least 1.2 Mpa, venting water, ammonia and other volatile matter from the reactor while maintaining the temperature and pressure, maintaining the temperature for a further period of time while reducing the pressure to at least atmospheric pressure and then discharging the polyamide so formed. Polyamides made by this process are substantially the same as corresponding polyamides made by the conventional salt-strike process, and can be used in molding, coating and film applications.

Abstract: A process and the product thereof, wherein thermoplastic tubing for use in a heat exchanger is extruded with a multifilament yarn inside to act as a turbulator. The extrusion is started with a small rod or a lead-in wire pushing the end of the yarn through the die into the tubing to a place where it adheres to the inner wall of the tubing as it is cooling, then the yarn is pulled into the tubing as it is extruded. The part of the tubing with the lead-in wire is cut off, leaving tubing with efficient turbulation.

Abstract: A method for making thermotropic liquid crystalline polymer films with improved transverse direction properties comprises two preferably embossed rollers which oscillate oppositely with respect to each along their respective rotational axes. Film made by passing a liquid crystalline polymer between such rolls has improved transverse direction properties. Such films are useful in multilayer containers and for circuit boards.

Abstract: This invention relates to a method of producing nucleophilic amine functionalized polyolefins by reacting a polymer carrying an electrophilic functional group with a diamine having amino end-groups having different reactivities. The nucleophilic amine functionalized polyolefin has the composition:Polyolefin--X--R.sub.1 --NHR.sub.2whereX is selected from the group of imide, amide, sulphonamide or amineR.sub.1 is a bivalent organic radicalR.sub.2 is H or an alkyl groupThe nucleophilic amine functionalized polyolefin has uses as a compatibilizer, adhesive, dyeable material, and dyability improver.

Abstract: An assembly for heat sealing thermoplastic film, having a first jaw (11) and (optionally) a second jaw (not shown), an electrical impulse heat sealing element (12) mounted on the first jaw (11), electrical terminals (17) connected to the element (12), and at least one electrically and thermally insulating film or tape (14) between the first jaw (11) and the heat sealing element (12). At least one of the jaws is capable of transverse motion and is adapted to collapse a tubular film made from the thermoplastic film and passing between the jaws. The improved heat sealing assembly has a first jaw (11) which has a thermally insulting material (16) embedded therein along a length about equal to the width of the flattened film and having a width at least as great as the width of the sealing element.

Abstract: This invention relates to a coating composition having a low concentration of cellulose acetate butyrate so as to minimize the formation of defects in the coating when dried and particularly relates to a urethane paint for spraying having cellulose acetate butyrate with a concentration between 0.1 and 2% by weight of the total solids in the ready-to-spray paint. A method of spraying an article with urethane paint is also described which comprises the steps of: adding cellulose acetate butyrate to urethane paint, and spraying an article, where the concentration of cellulose acetate butyrate is selected to have a concentration between 0.1 to 2.0% by weight of the total solids in said paint ready for spraying.