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AR012814A1 - Mezclas de poliolefinas de diferente cristalinidad, procedimiento para obtener articulos moldeados con dichas mezclas y los articulos moldeados obtenidos - Google Patents

Mezclas de poliolefinas de diferente cristalinidad, procedimiento para obtener articulos moldeados con dichas mezclas y los articulos moldeados obtenidos

Info

Publication number
AR012814A1
AR012814A1 ARP970100252A ARP970100252A AR012814A1 AR 012814 A1 AR012814 A1 AR 012814A1 AR P970100252 A ARP970100252 A AR P970100252A AR P970100252 A ARP970100252 A AR P970100252A AR 012814 A1 AR012814 A1 AR 012814A1
Authority
AR
Argentina
Prior art keywords
mixtures
blends
polymer
molded items
crystallinity
Prior art date
Application number
ARP970100252A
Other languages
English (en)
Original Assignee
Dow Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of AR012814A1 publication Critical patent/AR012814A1/es

Links

Classifications

    • 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
    • C08L23/16—Ethene-propene or ethene-propene-diene copolymers
    • 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 four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • 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
    • 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
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)

Abstract

Se proponen mezclas de polímeros que comprenden por lo menos un polímero de etileno ramificado homogéneamente (A) y por lo menos un polímero deetileno (B) que tiene una cristalinidad que es al menos el 7% mayor que la cristalinidad delpolíme ro (A) con ciertas excepciones. Un procedimiento parahacer un artículo moldeado utilizando las mezclas de polímeros descriptas, así como también películas, tapas de películas, revestimientos y artículosmoldeados formados a partir deestas mezcla s. Estas mezclas son ventajosas con respecto a lo revelado en el arte previo, porque tienen mejorespropiedades a altas temperaturas (mejor punto de ablandamiento bajo carga, dureza, tenacidad, un modulo de elasticidad al 100%,un grado de c ompresionmejorado). Además excluyen la exudacion de aceites a bajas temperaturas (cuando contienen aceite), y con reducidos ciclos de moldeo por inyeccion. Lasmezclas retienen sus ventajas aun cuando sustanciales cantidades deaditivos tal es como aceite y rellenos que son incorporados a la mezcla, que pueden serreticuladas una vez conformadas para formar productos elastoméricos vulcanizados. Las mezclas poliméricas tienen utilidad en una amplia variedaddeaplicaciones.
ARP970100252A 1996-01-22 1997-01-22 Mezclas de poliolefinas de diferente cristalinidad, procedimiento para obtener articulos moldeados con dichas mezclas y los articulos moldeados obtenidos AR012814A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1030396P 1996-01-22 1996-01-22
US1343096P 1996-03-14 1996-03-14

Publications (1)

Publication Number Publication Date
AR012814A1 true AR012814A1 (es) 2000-11-22

Family

ID=26681013

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP970100252A AR012814A1 (es) 1996-01-22 1997-01-22 Mezclas de poliolefinas de diferente cristalinidad, procedimiento para obtener articulos moldeados con dichas mezclas y los articulos moldeados obtenidos

Country Status (21)

Country Link
US (1) US6005053A (es)
EP (1) EP0876427B1 (es)
JP (1) JP3840499B2 (es)
KR (1) KR100445310B1 (es)
CN (1) CN1111563C (es)
AR (1) AR012814A1 (es)
AT (1) ATE224929T1 (es)
AU (1) AU716317B2 (es)
BR (1) BR9707298A (es)
CA (1) CA2243852C (es)
CZ (1) CZ230898A3 (es)
DE (2) DE876427T1 (es)
ES (1) ES2123484T3 (es)
HU (1) HUP9900394A3 (es)
MX (1) MX9805832A (es)
NO (1) NO320562B1 (es)
PL (1) PL327988A1 (es)
PT (1) PT876427E (es)
TR (1) TR199801405T2 (es)
TW (1) TW406107B (es)
WO (1) WO1997026297A1 (es)

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EP0876427A1 (en) 1998-11-11
MX9805832A (es) 1998-10-31
NO320562B1 (no) 2005-12-19
NO983357D0 (no) 1998-07-21
DE69715818D1 (de) 2002-10-31
KR100445310B1 (ko) 2004-10-15
CA2243852C (en) 2006-11-07
TW406107B (en) 2000-09-21
AU716317B2 (en) 2000-02-24
NO983357L (no) 1998-09-22
CN1209828A (zh) 1999-03-03
CN1111563C (zh) 2003-06-18
JP3840499B2 (ja) 2006-11-01
AU1709597A (en) 1997-08-11
CZ230898A3 (cs) 1998-12-16
EP0876427B1 (en) 2002-09-25
WO1997026297A1 (en) 1997-07-24
PT876427E (pt) 2003-01-31
US6005053A (en) 1999-12-21
ES2123484T3 (es) 2003-02-16
KR19990081912A (ko) 1999-11-15
CA2243852A1 (en) 1997-07-24
JP2000503332A (ja) 2000-03-21
PL327988A1 (en) 1999-01-04
TR199801405T2 (xx) 1998-10-21
DE69715818T2 (de) 2003-06-18
ATE224929T1 (de) 2002-10-15
ES2123484T1 (es) 1999-01-16
HUP9900394A2 (hu) 1999-05-28
BR9707298A (pt) 1999-07-20
DE876427T1 (de) 1999-05-06
HUP9900394A3 (en) 2000-08-28

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