AR022686A1 - Proceso para formar espumas suaves y flexibles por extrusion de alrededor de al menos 1 mm de espesor y dureza asker inferior a 65 asker aproximadamente,alifaticos o cicloalifaticos, aromaticos y/o estericamente ocultos de alfa-olefina/vinilo o vinilideno y las espumas obtenidas con dicho proceso - Google Patents

Proceso para formar espumas suaves y flexibles por extrusion de alrededor de al menos 1 mm de espesor y dureza asker inferior a 65 asker aproximadamente,alifaticos o cicloalifaticos, aromaticos y/o estericamente ocultos de alfa-olefina/vinilo o vinilideno y las espumas obtenidas con dicho proceso

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Publication number
AR022686A1
AR022686A1 ARP990106198A ARP990106198A AR022686A1 AR 022686 A1 AR022686 A1 AR 022686A1 AR P990106198 A ARP990106198 A AR P990106198A AR P990106198 A ARP990106198 A AR P990106198A AR 022686 A1 AR022686 A1 AR 022686A1
Authority
AR
Argentina
Prior art keywords
asker
vinyl
hidden
less
components
Prior art date
Application number
ARP990106198A
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English (en)
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Dow Chemical Co
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Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of AR022686A1 publication Critical patent/AR022686A1/es

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/08—Copolymers of styrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0838—Copolymers of ethene with aromatic monomers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/05—Use of one or more blowing agents together
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249976—Voids specified as closed
    • Y10T428/249977—Specified thickness of void-containing component [absolute or relative], numerical cell dimension or density

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Se trata de un proceso para formar espumas suaves que tienen una dureza Asker C de menos de aproximadamente 65, que comprende: (1) formar un materialpolimérico de fusion que comprende: (A) de 30 a 70 por ciento en peso combinado de los Componentes Ay B) y uno o más polímeros aromáticos de alquenilo y endonde por lo menos uno de los polímeros aromáticos de alquenilo tienen un peso molecula (Mp) de 100.000 a 500.000; y (B) de 30 a 70 por ciento en peso (basadoen el peso combinado de los Componentes A y B) de uno o más interpolímeros sustancialmente aleatorios que tienen un l2 de 0.1 a 50g/10min, y un Mp/Mn de 1.5 a20; que comprende (1) de 8 a 45 por ciento molar de las unidades poliméricas derivadas de: (a) por lo menos un monomero aromáticode vinilo o vinilideno, o (b)por lo menos un monomero de vinilo o vinilideno alifático o cicloalifático oculto, o (c) una combinacion de por lo menos un monomero de vinilo o vinilidenoaromático y por lo menos un monomero de vinilo o vinilideno alifático oculto, y (2) de 55 a 92 por ciento molar de unidades poliméricas derivadas de por lomenos una de etileno y/o alfa-olefina de C3-20 y (3) de 0 a 20 por ciento molar de unidades poliméricas derivada de uno o más monomeros polimerizablesetilénicamente insaturados diferentes aquellos derivados de (1) y (2); y (C) opcionalmente, uno o más agentes de nucleacion; y (D) opcionalmente, uno másaditivos diferentes; y (E) uno o más agentes de soplado presentes en una cantidad total de 0.4 a 5.0 gramos-moles por kilogramo (basado en el peso combinado delos Componentes A y B).
ARP990106198A 1998-12-04 1999-12-06 Proceso para formar espumas suaves y flexibles por extrusion de alrededor de al menos 1 mm de espesor y dureza asker inferior a 65 asker aproximadamente,alifaticos o cicloalifaticos, aromaticos y/o estericamente ocultos de alfa-olefina/vinilo o vinilideno y las espumas obtenidas con dicho proceso AR022686A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/205,938 US6231795B1 (en) 1998-12-04 1998-12-04 Soft and flexible foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers

Publications (1)

Publication Number Publication Date
AR022686A1 true AR022686A1 (es) 2002-09-04

Family

ID=22764294

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP990106198A AR022686A1 (es) 1998-12-04 1999-12-06 Proceso para formar espumas suaves y flexibles por extrusion de alrededor de al menos 1 mm de espesor y dureza asker inferior a 65 asker aproximadamente,alifaticos o cicloalifaticos, aromaticos y/o estericamente ocultos de alfa-olefina/vinilo o vinilideno y las espumas obtenidas con dicho proceso

Country Status (15)

Country Link
US (2) US6231795B1 (es)
EP (1) EP1144489A2 (es)
JP (1) JP2002531656A (es)
KR (1) KR20010081069A (es)
CN (1) CN1333796A (es)
AR (1) AR022686A1 (es)
AU (1) AU1819600A (es)
BR (1) BR9916946A (es)
CA (1) CA2353089A1 (es)
CZ (1) CZ20011985A3 (es)
HU (1) HUP0104540A3 (es)
IL (1) IL143489A0 (es)
MY (1) MY130853A (es)
NO (1) NO20012694L (es)
WO (1) WO2000034363A2 (es)

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AU1819600A (en) 2000-06-26
CA2353089A1 (en) 2000-06-15
WO2000034363A3 (en) 2000-09-21
NO20012694D0 (no) 2001-05-31
HUP0104540A3 (en) 2003-08-28
HUP0104540A2 (hu) 2002-03-28
EP1144489A2 (en) 2001-10-17
IL143489A0 (en) 2002-04-21
US6133333A (en) 2000-10-17
NO20012694L (no) 2001-07-09
US6231795B1 (en) 2001-05-15
BR9916946A (pt) 2001-12-18
KR20010081069A (ko) 2001-08-25
CN1333796A (zh) 2002-01-30
MY130853A (en) 2007-07-31
WO2000034363A2 (en) 2000-06-15
JP2002531656A (ja) 2002-09-24
CZ20011985A3 (cs) 2001-11-14

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