CA2122050A1 - Chemically degradable polyolefin films - Google Patents

Chemically degradable polyolefin films

Info

Publication number
CA2122050A1
CA2122050A1 CA002122050A CA2122050A CA2122050A1 CA 2122050 A1 CA2122050 A1 CA 2122050A1 CA 002122050 A CA002122050 A CA 002122050A CA 2122050 A CA2122050 A CA 2122050A CA 2122050 A1 CA2122050 A1 CA 2122050A1
Authority
CA
Canada
Prior art keywords
present
fillers
directed
chemically degradable
polyolefin resins
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
CA002122050A
Other languages
French (fr)
Other versions
CA2122050C (en
Inventor
Rodrigo A. Garcia
Joseph G. Gho
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.)
EPI Environmental Products Inc USA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2122050A1 publication Critical patent/CA2122050A1/en
Application granted granted Critical
Publication of CA2122050C publication Critical patent/CA2122050C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Abstract

The present invention is directed to melt blown polyolefin film which is produced cheaply by melt blowing polyolefin resins which contain 1 to 45 wt% fillers selected from the fillers including an inorganic carbonate, synthetic carbonates, nepheline syenite, talc, magnesium hydroxide, aluminum trihydrate, diatomaceous earth, mica, natural or synthetic silicas and calcined clays or mixtures thereof, having a particle size less than 150 mesh. A further aspect of the present invention is directed to polyolefin resins, especially polyethylene, which are chemically degradable by the incorporation of the combination of the above group of fillers and a metal carboxylate. The metal carboxylates of the present invention are inclusive of a large number of metals, such as cerium, cobalt, iron, magnesium and manganese.
CA002122050A 1992-08-24 1993-08-19 Chemically degradable polyolefin films Expired - Lifetime CA2122050C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US104,195 1987-10-02
US93368592A 1992-08-24 1992-08-24
US933,685 1992-08-24
US08/104,195 US5416133A (en) 1992-08-24 1993-08-10 Chemically degradable polyolefin films
PCT/US1993/007922 WO1994004606A2 (en) 1992-08-24 1993-08-19 Chemically degradable polyolefin films

Publications (2)

Publication Number Publication Date
CA2122050A1 true CA2122050A1 (en) 1994-03-03
CA2122050C CA2122050C (en) 2009-05-19

Family

ID=26801278

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002122050A Expired - Lifetime CA2122050C (en) 1992-08-24 1993-08-19 Chemically degradable polyolefin films

Country Status (8)

Country Link
US (2) US5416133A (en)
EP (1) EP0609430B1 (en)
JP (1) JP3315698B2 (en)
CA (1) CA2122050C (en)
DE (1) DE69333647T2 (en)
DK (1) DK0609430T3 (en)
ES (1) ES2225823T3 (en)
WO (1) WO1994004606A2 (en)

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Publication number Priority date Publication date Assignee Title
WO2009026691A1 (en) * 2007-08-28 2009-03-05 Epi Environmental Technologies (Nevada) Inc. Biodegradable agricultural film

Also Published As

Publication number Publication date
ES2225823T3 (en) 2005-03-16
JPH07500868A (en) 1995-01-26
DE69333647T2 (en) 2005-10-13
US5416133A (en) 1995-05-16
EP0609430A1 (en) 1994-08-10
WO1994004606A2 (en) 1994-03-03
DE69333647D1 (en) 2004-11-11
EP0609430B1 (en) 2004-10-06
US5565503A (en) 1996-10-15
WO1994004606A3 (en) 1994-06-09
DK0609430T3 (en) 2004-12-13
CA2122050C (en) 2009-05-19
JP3315698B2 (en) 2002-08-19

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Legal Events

Date Code Title Description
EEER Examination request
MKEC Expiry (correction)

Effective date: 20131009