Source: http://www.google.es/patents/US4011286?dq=flatulence
Timestamp: 2013-05-25 16:12:18
Document Index: 49252076

Matched Legal Cases: ['art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 1']

Patente US4011286 - Polyetherester-radial teleblock copolymer blend molding composition - Google PatentesB�squeda Im�genes Maps Play YouTube Noticias Gmail Drive M�s » B�squeda avanzada de patentes | Historial web | Iniciar sesi�n B�squeda avanzada de patentesPatentesA composition comprised of a polyetherester and a radial teleblock copolymer. This composition exhibits the combination of a desirable overall balance of general mechanical properties and an unobviously high elastic recovery....http://www.google.es/patents/US4011286?utm_source=gb-gplus-sharePatente US4011286 - Polyetherester-radial teleblock copolymer blend molding composition N�mero de publicaci�nUS4011286 ATipo de publicaci�nConcesi�n N�mero de solicitud05/705,964 Fecha de publicaci�n8 Mar 1977 Fecha de presentaci�n16 Jul 1976 Fecha de prioridad16 Jul 1976 InventoresJr. Theodore F. GrayRobert W. SeymourFreddie A. Shepherd Cesionario originalEastman Kodak Company Clasificaci�n de EE.UU.525/92.00F525/444 Clasificaci�n internacionalC08L67/02 Clasificaci�n cooperativaC08L67/025 Clasificaci�n europeaC08L67/02BReferenciasCitas de patentes (11)Otras citas (1) Citada por (14)Enlaces externosUSPTO Cesi�n de USPTO EspacenetPolyetherester-radial teleblock copolymer blend molding compositionUS 4011286 A Resumen A composition comprised of a polyetherester and a radial teleblock copolymer. This composition exhibits the combination of a desirable overall balance of general mechanical properties and an unobviously high elastic recovery.
We claim: 1. A composition comprised of, based on the weight of the composition, an admixture of A. from 95 to 50 weight percent of a polyetherester having an inherent viscosity of at least 0.4 selected from the group consisting of 1. a first polyetherester comprised of A. a dicarboxylic acid component comprised of a. 100-60 mole percent terephthalic acid, and b. 0-40 mole percent of an aliphatic or aromatic dicarboxylic acid having a molecular weight of less than 300, and B. a diol component comprised of a. a glycol comprised of 100-60 mole percent tetramethylene glycol and 0-40 mole percent of an aliphatic or aromatic glycol having a molecular weight of less than 300, and b. 10-60 weight percent, based on the weight of the polyetherester, of a poly(alkylene oxide)glycol having 2, 3, or 4 carbon atoms in the repeating unit and having a molecular weight in the range of 400 to 5,000, wherein the sum of the total mole percent amount of aliphatic or aromatic dicarboxylic acid having a molecular weight of less than 300 in part 1.A.(1)(A)(b), the mole percent amount of aliphatic or aromatic glycol having a molecular weight of less than 300 in part 1.A.(1)(B)(a), and the weight percent, based on the weight of the polyetherester, of the poly(alkylene oxide)glycol in part 1.A.(1)(B)(b) equals at least 35 but does not exceed 80, 2.
2. a second polyetherester comprised of A. a dicarboxylic acid component comprised of a. 100-60 mole percent terephthalic acid, and b. 0-40 mole percent of an aliphatic or aromatic dicarboxylic acid having a molecular weight of less than 300, and B. a diol component comprised of a. a glycol comprised of 90-60 mole percent 1,4-cyclohexanedimethanol and 10-40 mole percent ethylene glycol or tetramethylene glycol, and b. 10-50 weight percent, based on the weight of the polyetherester, of a poly(alkylene oxide)glycol having 2 to 4 carbon atoms in the repeating unit and having a molecular weight in the range of 400 to 2,000, B. from 5 to 50 weight percent of a radial teleblock copolymer prepared by a method which comprises polymerizing monomers selected from the group consisting of conjugated dienes and vinyl-substituted aromatic compounds in the presence of an organomonolithium initiator and reacting the resulting monolithium-terminated polymer with from 0.1 to about 1 equivalent based on the lithium in the polymer of a compound having at least three reactive sites capable of reacting with the carbon-lithium bond of the polymer, exclusive of organic reactant materials having halogen atoms that are attached to a carbon atom which is alpha to an activating group selected from the group consisting of an ether linkage, a carbonyl and a carbon-to-carbon double bond, thereby coupling said polymer
with said compound. 2. The composition of claim 1 wherein the first polyetherester ester of part 1.A.(1) is comprised of A. a dicarboxylic acid component comprised of a. 85-60 mole percent terephthalic acid, and b. 15-40 mole percent of 1,4-cyclohexanedicarboxylic acid, B. a diol component comprised of a. 100 mole percent of a glycol comprised of tetramethylene glycol, and b. 20-50 weight percent, based on the weight of the polyetherester, of poly(tetramethylene oxide)glycol having a molecular weight in the range of 800-4,000.
3. The compositions of claim 1 wherein the second polyetherester of part 1.A.(2) is comprised of A. a dicarboxylic acid component comprised of terephthalic acid, B. a diol component comprised of a. a glycol comprised of 80-65 mole percent 1,4-cyclohexanedimethanol and 20-35 mole percent tetramethylene glycol, and b. 20-40 weight percent, based on the weight of the polyesterether, of poly(tetramethylene oxide)glycol having a molecular weight in the range of 400 to 2,000.
4. The composition of claim 1 wherein the conjugated dienes and vinyl-substituted aromatic compounds of part 1.B. are butadiene and styrene.
7. A composition comprised of, based on the weight of the composition, A. from 80 to 60 weight percent of a polyetherester having an inherent viscosity of at least 0.4 comprised of 1. a dicarboxylic acid component comprised of terephthalic acid, 2. a diol component comprised of a. a glycol comprised of 80-70 mole percent 1,4-cyclohexanedimethanol and 20-30 mole percent tetramethylene glycol, and b. 25-35 weight percent, based on the weight of the polyetherester, of poly(tetramethylene oxide) glycol having a molecular weight of about 1,000, B. from 20 to 40 weight percent of a radial teleblock copolymer prepared by a method which comprises polymerizing from 60 to 80 mole percent butadiene and 40 to 20 mole percent styrene in the presence of an organomonolithium initiator and reacting the resulting monolithium-terminated polymer with from 0.1 to about 1 equivalent based on the lithium in the polymer of a compound having at least three reactive sites capable of reacting with the carbonlithium bond of the polymer, exclusive of organic reactant materials having halogen atoms that are attached to a carbon atom which is alpha to an activating group selected from the group consisting of an ether linkage, a carbonyl and a carbon-to-carbon double bond, thereby coupling said polymer with said compound.
Aromatic dicarboxylic acids, as the term is used herein, are dicarboxylic acids having two carboxyl groups each attached to a carbon atom in an isolated or fused benzene ring. It is not necessary that both functional carboxyl groups be attached to the same aromatic ring and where more than one ring is present, they can be joined by aliphatic or aromatic divalent radicals containing other substituents such as --O-- or --SO.sub.2 --.
Representative aromatic dicarboxylic acids which can be used include phthalic and isophthalic acid, dibenzoic acid, substituted dicarboxy compounds with two benzene nuclei such as bis(p-carboxyphenyl)-methane, 4,4'-oxydibenzoic acid, ethylene-bis(p-oxybenzoic acid), 1,5-naphthalene dicarboxylic acid, 2,6-naphthalene dicarboxylic acid, 2,7-naphthalene dicarboxylic acid, phenanthrene dicarboxylic acid, anthracene dicarboxylic acid, 4,4'-sulfonyl dibenzoic acid, and C.sub.1 -C.sub.12 alkyl and ring substitution derivatives thereof, such as halo, alkoxy, and aryl derivatives. Hydroxyl acids such as p(β-hydroxyethoxy) benzoic acid can also be used provided an aromatic dicarboxylic acid is also present. Aromatic carboxylic acids with 8-16 carbon atoms are preferred, particularly the phenylene dicarboxylic acids, i.e., phthalic and isophthalic acids.
In this invention the first polyetherester has an inherent viscosity of at least 0.4 and preferably 0.6, or even higher, measured at about 25 C. using 0.5 percent of the polymer in a solvent composed of 60 percent by weight of phenol and 40 percent by weight of tetrachloroethane. Inherent viscosities of between 1.0 and 2.0 are often preferred.
In this invention the second polyetherester has an inherent viscosity of at least 0.4 and preferably 0.6, or even higher, measured at about 25 C. using 0.5 percent of the polymer in a solvent composed of 60 percent by weight of phenol and 40 percent by weight of tetrachloroethane.
Components A and B of all four compositions are mixed thoroughly by extrusion to form an admixture which is injection molded into ASTM D412 Type A test specimens using a 23 injection molding machine.
Components A and B of both compositions are mixed thoroughly by extrusion to form an admixture which is injection molded into ASTM D412 Type A test specimens using a 60 machine.
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