MX9604339A - Mejora en la produccion de peliculas termoplasticas de mono- y multi-capas. - Google Patents

Mejora en la produccion de peliculas termoplasticas de mono- y multi-capas.

Info

Publication number
MX9604339A
MX9604339A MX9604339A MX9604339A MX9604339A MX 9604339 A MX9604339 A MX 9604339A MX 9604339 A MX9604339 A MX 9604339A MX 9604339 A MX9604339 A MX 9604339A MX 9604339 A MX9604339 A MX 9604339A
Authority
MX
Mexico
Prior art keywords
production
mono
layer thermoplastic
improvement
thermoplastic films
Prior art date
Application number
MX9604339A
Other languages
English (en)
Inventor
Giuliano Cavaglia
Renato Angelo Naghi
Daniele Novelli
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Publication of MX9604339A publication Critical patent/MX9604339A/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

Un proceso y un aparato para la produccion de una película (2) termoplástica de mono- o multi-capas plana para empaquetar, que comprende una matriz (1) de extrusion plana y un rodillo (6) de enfriamiento que se proporciona con un sistema de enfriamiento interno. Un dispositivo (10) de cuchillas con líquido está asociado con el rodillo (6) de enfriamiento para lanzar un chorro de un líquido continuo y esencialmente uniforme desde la cuchilla (20) a una velocidad y temperatura predeterminadas, el dispositivo (10) de cuchillas con líquido se proporciona con una ranura (19) que tiene una seccion (21) transversal de flujo de salida ajustable y se alimenta con un líquido a una temperatura régimen de flujo de predeterminados (Figura 1).
MX9604339A 1994-04-01 1995-03-24 Mejora en la produccion de peliculas termoplasticas de mono- y multi-capas. MX9604339A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94200905 1994-04-01
PCT/EP1995/001121 WO1995026867A1 (en) 1994-04-01 1995-03-24 Improvement in the production of mono- and multi-layer thermoplastic films

Publications (1)

Publication Number Publication Date
MX9604339A true MX9604339A (es) 1997-06-28

Family

ID=8216760

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9604339A MX9604339A (es) 1994-04-01 1995-03-24 Mejora en la produccion de peliculas termoplasticas de mono- y multi-capas.

Country Status (15)

Country Link
EP (1) EP0754115B1 (es)
JP (1) JPH09511699A (es)
AT (1) ATE180203T1 (es)
AU (1) AU705720B2 (es)
BR (1) BR9507238A (es)
CA (1) CA2185917A1 (es)
CZ (1) CZ288196A3 (es)
DE (1) DE69509767T2 (es)
DK (1) DK0754115T3 (es)
ES (1) ES2133756T3 (es)
FI (1) FI111346B (es)
MX (1) MX9604339A (es)
NZ (1) NZ282820A (es)
PL (1) PL177511B1 (es)
WO (1) WO1995026867A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2336174C2 (ru) 2003-07-30 2008-10-20 Криовак, Инк. Многослойная ориентированная высокомодульная пленка
EP3040364B1 (en) * 2014-12-30 2017-06-14 Abu Dhabi Polymers Company Limited (Borouge) L.L.C. Polypropylene compound with improved optical property and gel level

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL259350A (es) * 1960-08-09 1900-01-01
EP0065415B1 (en) * 1981-05-14 1986-08-20 E.I. Du Pont De Nemours And Company Polymeric film casting and apparatus therefor
US4676851A (en) * 1984-04-25 1987-06-30 First Brands Corporation Process and apparatus for forming integral interlocking closure film stock
JPS62214921A (ja) * 1986-03-18 1987-09-21 Mitsui Toatsu Chem Inc 結晶性ポリオレフイン樹脂シ−トまたはフイルムの製造方法
FI82633C (fi) * 1987-10-12 1991-04-10 Muolon Oy Foerfarande foer framstaellning av en krympande produkt.

Also Published As

Publication number Publication date
NZ282820A (en) 1998-08-26
DE69509767D1 (de) 1999-06-24
DK0754115T3 (da) 1999-11-29
PL316567A1 (en) 1997-01-20
WO1995026867A1 (en) 1995-10-12
ATE180203T1 (de) 1999-06-15
FI963917A (fi) 1996-09-30
EP0754115B1 (en) 1999-05-19
CA2185917A1 (en) 1995-10-12
BR9507238A (pt) 1997-09-16
AU2073095A (en) 1995-10-23
ES2133756T3 (es) 1999-09-16
FI111346B (fi) 2003-07-15
JPH09511699A (ja) 1997-11-25
EP0754115A1 (en) 1997-01-22
FI963917A0 (fi) 1996-09-30
PL177511B1 (pl) 1999-11-30
CZ288196A3 (en) 1997-04-16
AU705720B2 (en) 1999-05-27
DE69509767T2 (de) 1999-12-02

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Legal Events

Date Code Title Description
FG Grant or registration
GD Licence granted
MM Annulment or lapse due to non-payment of fees