CA2304220A1 - Narrow mwd, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom - Google Patents

Narrow mwd, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom Download PDF

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Publication number
CA2304220A1
CA2304220A1 CA002304220A CA2304220A CA2304220A1 CA 2304220 A1 CA2304220 A1 CA 2304220A1 CA 002304220 A CA002304220 A CA 002304220A CA 2304220 A CA2304220 A CA 2304220A CA 2304220 A1 CA2304220 A1 CA 2304220A1
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CA
Canada
Prior art keywords
composition
making
less
article made
ethylene interpolymer
Prior art date
Legal status (The legal status 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 status listed.)
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CA002304220A
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French (fr)
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CA2304220C (en
Inventor
Pradeep Jain
Lonnie G. Hazlitt
Jacquelyn A. Degroot
Kenneth W. Anderson
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Dow Global Technologies LLC
Original Assignee
The Dow Chemical Company
Pradeep Jain
Lonnie G. Hazlitt
Jacquelyn A. Degroot
Kenneth W. Anderson
Dow Global Technologies Inc.
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Application filed by The Dow Chemical Company, Pradeep Jain, Lonnie G. Hazlitt, Jacquelyn A. Degroot, Kenneth W. Anderson, Dow Global Technologies Inc. filed Critical The Dow Chemical Company
Publication of CA2304220A1 publication Critical patent/CA2304220A1/en
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Publication of CA2304220C publication Critical patent/CA2304220C/en
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Expired - Lifetime legal-status Critical Current

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    • 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
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • 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
    • C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2314/00—Polymer mixtures characterised by way of preparation
    • C08L2314/06—Metallocene or single site catalysts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof

Abstract

The present invention pertains to an ethylene interpolymer composition characterized as having a narrow molecular weight distribution (MWD) and optimized compositional uniformity, a process for making such a composition and a fabricated article made from such composition. The novel composition is characterized as having at least two polymer components, the first component having an ATREF
peak temperature, T peak1 and a viscosity average molecular weight, M v1, and the second component having an ATREF peak temperature, T peak2, and a viscosity average molecular, M v2, wherein the temperature differential between T peak2 and T peak1 decreases with increased composition density and M v1/M v2 is less than or equal to 1.2. The novel composition is further characterized as having a M w/M n of less than or equal to 3.3 as determined by gel permeation chromatography, an I10/I2 6.6, and a composition density less than 0.945 gram/cubic centimeter. The novel composition exhibits high, balanced toughness properties, good processibility and surprisingly improved optical properties and is particularly well-suited for use in applications such as lamination films trash can liners and heavy duty shipping bags, especially as a blown film.
CA002304220A 1997-09-19 1998-09-18 Narrow mwd, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom Expired - Lifetime CA2304220C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5955597P 1997-09-19 1997-09-19
US60/059,555 1997-09-19
PCT/US1998/019568 WO1999014271A1 (en) 1997-09-19 1998-09-18 Narrow mwd, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom

Publications (2)

Publication Number Publication Date
CA2304220A1 true CA2304220A1 (en) 1999-03-25
CA2304220C CA2304220C (en) 2008-06-17

Family

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CA002304220A Expired - Lifetime CA2304220C (en) 1997-09-19 1998-09-18 Narrow mwd, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom

Country Status (20)

Country Link
US (3) US6469103B1 (en)
EP (1) EP1023390B1 (en)
JP (1) JP2003517487A (en)
KR (1) KR20010024063A (en)
CN (1) CN1270611A (en)
AR (1) AR012518A1 (en)
AT (1) ATE258958T1 (en)
AU (1) AU9571098A (en)
BR (1) BR9812478A (en)
CA (1) CA2304220C (en)
DE (1) DE69821511T2 (en)
ES (1) ES2212348T3 (en)
HU (1) HUP0004649A3 (en)
ID (1) ID24895A (en)
NO (1) NO20001408L (en)
PL (1) PL339665A1 (en)
TR (1) TR200000691T2 (en)
TW (1) TW461906B (en)
WO (1) WO1999014271A1 (en)
ZA (1) ZA988572B (en)

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