ES470538A1 - Procedimiento para la produccion de laminas de polietileno - Google Patents

Procedimiento para la produccion de laminas de polietileno

Info

Publication number
ES470538A1
ES470538A1 ES470538A ES470538A ES470538A1 ES 470538 A1 ES470538 A1 ES 470538A1 ES 470538 A ES470538 A ES 470538A ES 470538 A ES470538 A ES 470538A ES 470538 A1 ES470538 A1 ES 470538A1
Authority
ES
Spain
Prior art keywords
production
din
weight
blow
films
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.)
Expired
Application number
ES470538A
Other languages
English (en)
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.)
BASF SE
Original Assignee
BASF SE
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6010964&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES470538(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BASF SE filed Critical BASF SE
Publication of ES470538A1 publication Critical patent/ES470538A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
    • C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
    • 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
    • C08L23/06—Polyethene
    • 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
    • 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
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

Procedimiento para la producción de láminas de polietileno, de un grosor de 10 hasta 500 um, caracterizado porque comprende extruir, y al mismo tiempo estirar biaxialmente, una manga, hinchada en una relación de soplado de 1:10, y a una temperatura de 200 a 250ºC, a partir de una mezcla compuesta de: (1) 100 partes en peso de un polietileno que (1.1) contiene restos de un catalizador que contiene bromo, (1.2) tiene una densidad por encima de 0,945 g/m{sup,3}, (1.3) presenta un índice de fusión (según la norma DIN 53 735 a 190ºC/2,16 kg) de menos de 0,7 g/10min. y (1.4) posee una viscosidad de disolución (según la norma DIN 53 728/hoja 4) de 1 hasta 5 cm{sup,3}/g. (2) 1 hasta 30 partes en peso de un polietileno que presenta (2.1) una densidad de 0,940 hasta 0,968 g/cm{sup,3} y (2.2) un índice de fusión (según la norma DIN 53 735 a 190ºC/2,16 kg) de 0,9 hasta 20 g/10 min. (3) 0,09 hasta 1 parte de un tris-2,4-dialquilfenil)-fosfito en el cual los grupos alquilo son iguales o diferentes y contienen en cada caso 1 hasta 9 átomos de carbono, y (4) - en caso dado - otros aditivos tradicionales en las cantidades acostumbradas.
ES470538A 1977-06-06 1978-06-06 Procedimiento para la produccion de laminas de polietileno Expired ES470538A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2725676A DE2725676B2 (de) 1977-06-06 1977-06-06 Verwendung einer speziellen Polyolefin-Formmasse zum Herstellen von Folien nach dem Folienblasverfahren BASF AG, 6700 Ludwigshafen

Publications (1)

Publication Number Publication Date
ES470538A1 true ES470538A1 (es) 1979-09-01

Family

ID=6010964

Family Applications (1)

Application Number Title Priority Date Filing Date
ES470538A Expired ES470538A1 (es) 1977-06-06 1978-06-06 Procedimiento para la produccion de laminas de polietileno

Country Status (5)

Country Link
EP (1) EP0000025B1 (es)
AT (1) AT370123B (es)
DE (2) DE2725676B2 (es)
ES (1) ES470538A1 (es)
IT (1) IT1095282B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2819597A1 (de) * 1978-05-05 1979-11-08 Basf Ag Verwendung einer speziellen polyolefin-formmasse zum herstellen von folien nach dem folienblasverfahren
CA1218181A (en) * 1983-04-21 1987-02-17 Asahi Kasei Kogyo Kabushiki Kaisha Polyethylene composition

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176051A (en) * 1960-08-19 1965-03-30 Grace W R & Co Blended polyethylene composition
US3179720A (en) * 1962-10-22 1965-04-20 Hercules Powder Co Ltd Polyethylene blends
US3988395A (en) * 1970-10-08 1976-10-26 Standard Oil Company (Indiana) Method for blending polyolefin compositions

Also Published As

Publication number Publication date
IT7824085A0 (it) 1978-05-31
DE2725676B2 (de) 1981-01-15
DE2725676A1 (de) 1978-12-07
AT370123B (de) 1983-03-10
IT1095282B (it) 1985-08-10
ATA407678A (de) 1982-07-15
DE2860026D1 (en) 1980-10-30
EP0000025B1 (de) 1980-06-25
EP0000025A1 (de) 1978-12-20

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990405