MX167645B - IMPROVEMENTS TO METHOD TO PROCESS PROPYLENE USING A PRODEGRADANT - Google Patents

IMPROVEMENTS TO METHOD TO PROCESS PROPYLENE USING A PRODEGRADANT

Info

Publication number
MX167645B
MX167645B MX193140A MX19314082A MX167645B MX 167645 B MX167645 B MX 167645B MX 193140 A MX193140 A MX 193140A MX 19314082 A MX19314082 A MX 19314082A MX 167645 B MX167645 B MX 167645B
Authority
MX
Mexico
Prior art keywords
polypropylene
prodegradant
process propylene
granulating
granulation
Prior art date
Application number
MX193140A
Other languages
Spanish (es)
Inventor
Michael T Morman
Tony J Wisneski
Original Assignee
Kimberly Clark 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 Kimberly Clark Co filed Critical Kimberly Clark Co
Publication of MX167645B publication Critical patent/MX167645B/en

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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • 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
    • C08K5/14—Peroxides
    • 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
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/30—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by oxidation
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
    • 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
    • C08J2323/12—Polypropene
    • 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
    • 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
    • C08L23/10—Homopolymers or copolymers of propene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Artificial Filaments (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

La presente invención se refiere a mejoras a un método para procesar polipropileno, caracterizadas porque comprende las fases de: a) proporcionar polipropileno con un peso molecular medio alto; b) agregar a dicho polipropileno un prodegradante de fuente de radical libre que tenga una media vida en el polipropileno mayor de minuto y medio a 142.9 grados C; c) la granulación de dicho polímero bajo condiciones en las que por lo menos alrededor del 0.01 por ciento por peso del prodegradante permanece disponible para degradación ulterior después de la granulación.The present invention relates to improvements to a method for processing polypropylene, characterized in that it comprises the steps of: a) providing polypropylene with a high average molecular weight; b) adding to said polypropylene a free radical source prodegradant that has a half-life in the polypropylene greater than one and a half minutes at 142.9 degrees C; c) granulating said polymer under conditions where at least about 0.01 weight percent of the prodegradant remains available for further degradation after granulation.

MX193140A 1981-06-15 1982-06-14 IMPROVEMENTS TO METHOD TO PROCESS PROPYLENE USING A PRODEGRADANT MX167645B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27393881A 1981-06-15 1981-06-15

Publications (1)

Publication Number Publication Date
MX167645B true MX167645B (en) 1993-03-31

Family

ID=23046062

Family Applications (1)

Application Number Title Priority Date Filing Date
MX193140A MX167645B (en) 1981-06-15 1982-06-14 IMPROVEMENTS TO METHOD TO PROCESS PROPYLENE USING A PRODEGRADANT

Country Status (15)

Country Link
JP (2) JPS5823804A (en)
KR (1) KR860001115B1 (en)
AU (1) AU554655B2 (en)
BE (1) BE893522A (en)
BR (1) BR8203490A (en)
CA (1) CA1210176A (en)
DE (1) DE3222498C2 (en)
FR (1) FR2507607B1 (en)
GB (1) GB2100268B (en)
IT (1) IT1157210B (en)
LU (1) LU84200A1 (en)
MX (1) MX167645B (en)
NL (1) NL190931C (en)
PH (1) PH19549A (en)
ZA (1) ZA824064B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6099108A (en) * 1983-11-04 1985-06-03 Tokuyama Soda Co Ltd Preparation of molded article of polypropylene
US4766200A (en) * 1984-06-01 1988-08-23 The Hygenic Corporation Process for improving the melt flow index of thermoplastic polymers
US4966952A (en) * 1984-06-01 1990-10-30 The Hygenic Corporation Thermoplastic polymer composition comprising trans 1,4-polyisoprene
EP0227048A3 (en) * 1985-12-24 1989-03-08 Paul J. Albee, Jr. Peroxide concentrate and polymer carrier
US4707524A (en) * 1986-05-06 1987-11-17 Aristech Chemical Corporation Controlled-rheology polypropylene
US4882407A (en) * 1986-12-23 1989-11-21 The Hygenic Corporation Thermoplastic endodontic composition having improved melt flow index
FR2613722B1 (en) * 1987-04-07 1990-11-23 Bp Chimie Sa PROCESS FOR THE MANUFACTURE OF PROPYLENE HOMOPOLYMER OR COPOLYMER GRANULES
GB2206525B (en) * 1987-07-08 1990-03-07 Courtaulds Films & Packaging Orientated polypropylene films
GB2206524B (en) * 1987-07-08 1990-03-07 Courtaulds Films & Packaging Voided polypropylene films
FR2620079B1 (en) * 1987-09-04 1990-01-19 Arjomari Prioux HIGH-MOULDABILITY REINFORCED THERMOPLASTIC SHEET
FR2627498B1 (en) * 1988-02-19 1990-07-06 Labofina Sa POLYPROPYLENE PROCESSING PROCESS
US5264493A (en) * 1988-02-19 1993-11-23 Fina Research, S.A. Process for the treatment of polypropylene
US5198506A (en) * 1991-05-10 1993-03-30 Phillips Petroleum Company High organic peroxide content polypropylene
AT403581B (en) * 1993-06-07 1998-03-25 Danubia Petrochem Polymere METHOD FOR PRODUCING NEW POLYPROPYLENE BY CHEMICAL DEGRADING
DE4321529A1 (en) * 1993-06-29 1995-01-12 Danubia Petrochem Deutschland Novel polypropylenes obtainable by chemical degradation
US5814404A (en) * 1994-06-03 1998-09-29 Minnesota Mining And Manufacturing Company Degradable multilayer melt blown microfibers
US5594074A (en) * 1995-02-21 1997-01-14 Shell Oil Company Process for improving processability of ultra low melt viscosity polymer
US6423800B1 (en) 1999-05-26 2002-07-23 Fina Technology, Inc. Pelletized polyolefin having ultra-high melt flow and its articles of manufacture
GB0005629D0 (en) * 2000-03-10 2000-05-03 Clariant Int Ltd Light stabilizer composition
DE102011110154A1 (en) * 2011-08-12 2013-02-14 Deutsche Institute Für Textil- Und Faserforschung Denkendorf METHOD FOR THE PRODUCTION OF SURFACE-MODIFIED POLYOLEFIN YARNES, THE POLYOLEFINGARIN THEREFORE AVAILABLE AND THE USE THEREOF

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833023A (en) * 1971-08-30 1973-05-07
JPS5148196B2 (en) * 1972-03-11 1976-12-18
TR17756A (en) * 1972-07-25 1976-07-01 Oesterr Stickstoffwerke Ag PROCEDURE FOR THE MANUFACTURING OF POLYPROPYLENE WITH MAHDUT MOLECUEL WEIGHT
JPS5635689B2 (en) * 1973-03-13 1981-08-19
US4087486A (en) * 1975-05-15 1978-05-02 Standard Oil Company (Indiana) Polypropylene composition containing EPR
JPS6016974B2 (en) * 1976-10-27 1985-04-30 古河電気工業株式会社 Method for preparing polyolefin resin pellets or particles impregnated with organic peroxide
JPS55742A (en) * 1978-06-20 1980-01-07 Kazuo Saotome Polymer composition composed of polypropylene having relatively low molecular weight
US4296022A (en) * 1980-06-04 1981-10-20 Chevron Research Polypropylene blend compositions

Also Published As

Publication number Publication date
JPS5823804A (en) 1983-02-12
KR840000589A (en) 1984-02-25
IT8248643A0 (en) 1982-06-15
DE3222498A1 (en) 1983-01-05
KR860001115B1 (en) 1986-08-13
AU554655B2 (en) 1986-08-28
GB2100268A (en) 1982-12-22
NL190931C (en) 1994-11-01
FR2507607A1 (en) 1982-12-17
FR2507607B1 (en) 1986-08-14
BE893522A (en) 1982-12-15
JPH0798843B2 (en) 1995-10-25
NL190931B (en) 1994-06-01
DE3222498C2 (en) 1994-04-07
AU8476782A (en) 1982-12-23
BR8203490A (en) 1983-06-07
PH19549A (en) 1986-05-20
IT1157210B (en) 1987-02-11
NL8202406A (en) 1983-01-03
JPH0443924B2 (en) 1992-07-20
GB2100268B (en) 1984-09-19
JPH051111A (en) 1993-01-08
ZA824064B (en) 1983-04-27
CA1210176A (en) 1986-08-19
LU84200A1 (en) 1983-01-20

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