CA2243852A1 - Polyolefin elastomer blends exhibiting improved properties - Google Patents

Polyolefin elastomer blends exhibiting improved properties

Info

Publication number
CA2243852A1
CA2243852A1 CA002243852A CA2243852A CA2243852A1 CA 2243852 A1 CA2243852 A1 CA 2243852A1 CA 002243852 A CA002243852 A CA 002243852A CA 2243852 A CA2243852 A CA 2243852A CA 2243852 A1 CA2243852 A1 CA 2243852A1
Authority
CA
Canada
Prior art keywords
mixtures
improved
polymer
disclosed
crystallinity
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.)
Granted
Application number
CA002243852A
Other languages
French (fr)
Other versions
CA2243852C (en
Inventor
Deepak R. Parikh
Pak-Wing S. Chum
Pradeep Jain
Rajen M. Patel
Timothy E. Clayfield
Thomas J. Mckeand, Jr.
Kyle G. Kummer
Wasif Ahmed Khan
Ronald P. Markovich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Global Technologies LLC
Original Assignee
The Dow Chemical Company
Deepak R. Parikh
Pak-Wing S. Chum
Pradeep Jain
Rajen M. Patel
Timothy E. Clayfield
Thomas J. Mckeand, Jr.
Kyle G. Kummer
Wasif Ahmed Khan
Ronald P. Markovich
Dow Benelux N.V.
Dow Global Technologies Inc.
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 The Dow Chemical Company, Deepak R. Parikh, Pak-Wing S. Chum, Pradeep Jain, Rajen M. Patel, Timothy E. Clayfield, Thomas J. Mckeand, Jr., Kyle G. Kummer, Wasif Ahmed Khan, Ronald P. Markovich, Dow Benelux N.V., Dow Global Technologies Inc. filed Critical The Dow Chemical Company
Publication of CA2243852A1 publication Critical patent/CA2243852A1/en
Application granted granted Critical
Publication of CA2243852C publication Critical patent/CA2243852C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • 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
    • 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

Abstract

Polymer mixtures are disclosed which comprise at least one homogeneously branched ethylene polymer (A) and at least one ethylene polymer (B) having a crystallinity which is at least 7 percent greater than the crystallinity of polymer (A) with certain provisos. A process for making a molded article using the disclosed polymer mixtures is disclosed as well as films, film layers, coatings and molded articles formed from those mixtures. These mixtures have several advantages over polymer compositions of the prior art, including improved properties at elevated temperatures such as improved softening point under load, improved hardness, improved toughness, improved 100 percent modulus of elasticity, improved compression set, improved ability to prevent oil bleed out at lower temperatures when the mixture contains oil and reduced injection molding cycle time. The mixtures retain their performance advantages even when substantial amounts of additives such as oil and filler are incorporated into the mixture. The mixtures may also be cross-linked after they are formed into the shape of an article to form vulcanized elastomeric products. The polymer mixtures have utility in a variety of applications.
CA002243852A 1996-01-22 1997-01-22 Polyolefin elastomer blends exhibiting improved properties Expired - Fee Related CA2243852C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US1030396P 1996-01-22 1996-01-22
US60/010,303 1996-01-22
US1343096P 1996-03-14 1996-03-14
US60/013,430 1996-03-14
PCT/US1997/001180 WO1997026297A1 (en) 1996-01-22 1997-01-22 Polyolefin elastomer blends exhibiting improved properties

Publications (2)

Publication Number Publication Date
CA2243852A1 true CA2243852A1 (en) 1997-07-24
CA2243852C CA2243852C (en) 2006-11-07

Family

ID=26681013

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002243852A Expired - Fee Related CA2243852C (en) 1996-01-22 1997-01-22 Polyolefin elastomer blends exhibiting improved properties

Country Status (21)

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

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Also Published As

Publication number Publication date
CZ230898A3 (en) 1998-12-16
NO983357L (en) 1998-09-22
HUP9900394A3 (en) 2000-08-28
AU1709597A (en) 1997-08-11
AR012814A1 (en) 2000-11-22
KR19990081912A (en) 1999-11-15
DE876427T1 (en) 1999-05-06
CN1111563C (en) 2003-06-18
AU716317B2 (en) 2000-02-24
HUP9900394A2 (en) 1999-05-28
TR199801405T2 (en) 1998-10-21
BR9707298A (en) 1999-07-20
WO1997026297A1 (en) 1997-07-24
PT876427E (en) 2003-01-31
ES2123484T1 (en) 1999-01-16
KR100445310B1 (en) 2004-10-15
NO320562B1 (en) 2005-12-19
US6005053A (en) 1999-12-21
PL327988A1 (en) 1999-01-04
CN1209828A (en) 1999-03-03
EP0876427A1 (en) 1998-11-11
MX9805832A (en) 1998-10-31
JP2000503332A (en) 2000-03-21
NO983357D0 (en) 1998-07-21
DE69715818D1 (en) 2002-10-31
TW406107B (en) 2000-09-21
EP0876427B1 (en) 2002-09-25
CA2243852C (en) 2006-11-07
JP3840499B2 (en) 2006-11-01
ES2123484T3 (en) 2003-02-16
DE69715818T2 (en) 2003-06-18
ATE224929T1 (en) 2002-10-15

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