IT201900023574A1 - Dispositivo e metodo per la bi-orientazione di film in acido polilattico a basso tenore di plastificanti - Google Patents

Dispositivo e metodo per la bi-orientazione di film in acido polilattico a basso tenore di plastificanti

Info

Publication number
IT201900023574A1
IT201900023574A1 IT102019000023574A IT201900023574A IT201900023574A1 IT 201900023574 A1 IT201900023574 A1 IT 201900023574A1 IT 102019000023574 A IT102019000023574 A IT 102019000023574A IT 201900023574 A IT201900023574 A IT 201900023574A IT 201900023574 A1 IT201900023574 A1 IT 201900023574A1
Authority
IT
Italy
Prior art keywords
plasticants
orientation
content
low
polylactic acid
Prior art date
Application number
IT102019000023574A
Other languages
English (en)
Inventor
Donato Sorgente
Vincenzo Caliò
Karel Krpan
Original Assignee
Innoflex S R L
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 Innoflex S R L filed Critical Innoflex S R L
Priority to IT102019000023574A priority Critical patent/IT201900023574A1/it
Publication of IT201900023574A1 publication Critical patent/IT201900023574A1/it

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
    • B29C48/03—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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • B29C48/9105—Heating, e.g. for cross linking of hollow articles
    • 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
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
IT102019000023574A 2019-12-11 2019-12-11 Dispositivo e metodo per la bi-orientazione di film in acido polilattico a basso tenore di plastificanti IT201900023574A1 (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT102019000023574A IT201900023574A1 (it) 2019-12-11 2019-12-11 Dispositivo e metodo per la bi-orientazione di film in acido polilattico a basso tenore di plastificanti

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000023574A IT201900023574A1 (it) 2019-12-11 2019-12-11 Dispositivo e metodo per la bi-orientazione di film in acido polilattico a basso tenore di plastificanti

Publications (1)

Publication Number Publication Date
IT201900023574A1 true IT201900023574A1 (it) 2021-06-11

Family

ID=70154980

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102019000023574A IT201900023574A1 (it) 2019-12-11 2019-12-11 Dispositivo e metodo per la bi-orientazione di film in acido polilattico a basso tenore di plastificanti

Country Status (1)

Country Link
IT (1) IT201900023574A1 (it)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1096127A (en) * 1965-03-12 1967-12-20 Union Carbide Corp Biaxially orienting tubular films of thermoplastic material
US4112034A (en) * 1977-05-05 1978-09-05 General Electric Company Biaxial film process and rotary apparatus therefor
NZ238421A (en) * 1988-03-31 1992-10-28 Idemitsu Petrochemical Co Trapped bubble stretching of tubular plastics film: width of film controlled by adjusting distance between bubble nip rollers
EP0990503A1 (de) * 1998-09-28 2000-04-05 WindmÀ¶ller & Hölscher Verfahren zur Regelung des Durchmessers einer zwischen einem Vorzugsrollenpaar und einem Abzugsrollenpaar zu einer Schlauchfolienblase aufgeblasenen Schlauchfoilenbahn
US20140113142A1 (en) * 2012-10-24 2014-04-24 E I Du Pont De Nemours And Company Multilayer film structure comprising renewably sourced materials
WO2016189518A2 (en) * 2015-05-27 2016-12-01 I.M.Plast S.R.L. A blown-film extrusion apparatus and a method for manufacturing a blown film

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1096127A (en) * 1965-03-12 1967-12-20 Union Carbide Corp Biaxially orienting tubular films of thermoplastic material
US4112034A (en) * 1977-05-05 1978-09-05 General Electric Company Biaxial film process and rotary apparatus therefor
NZ238421A (en) * 1988-03-31 1992-10-28 Idemitsu Petrochemical Co Trapped bubble stretching of tubular plastics film: width of film controlled by adjusting distance between bubble nip rollers
EP0990503A1 (de) * 1998-09-28 2000-04-05 WindmÀ¶ller & Hölscher Verfahren zur Regelung des Durchmessers einer zwischen einem Vorzugsrollenpaar und einem Abzugsrollenpaar zu einer Schlauchfolienblase aufgeblasenen Schlauchfoilenbahn
US20140113142A1 (en) * 2012-10-24 2014-04-24 E I Du Pont De Nemours And Company Multilayer film structure comprising renewably sourced materials
WO2016189518A2 (en) * 2015-05-27 2016-12-01 I.M.Plast S.R.L. A blown-film extrusion apparatus and a method for manufacturing a blown film

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