DE3573228D1 - Process for the preparation of blown film - Google Patents

Process for the preparation of blown film

Info

Publication number
DE3573228D1
DE3573228D1 DE8585101240T DE3573228T DE3573228D1 DE 3573228 D1 DE3573228 D1 DE 3573228D1 DE 8585101240 T DE8585101240 T DE 8585101240T DE 3573228 T DE3573228 T DE 3573228T DE 3573228 D1 DE3573228 D1 DE 3573228D1
Authority
DE
Germany
Prior art keywords
blown film
preparation
prepared
die gap
extruding
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
DE8585101240T
Other languages
English (en)
Inventor
Der Molen Theodorus Jacobu Van
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.)
Koninklijke DSM NV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Application granted granted Critical
Publication of DE3573228D1 publication Critical patent/DE3573228D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/03—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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Materials For Medical Uses (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Wire Bonding (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Medicinal Preparation (AREA)
  • Document Processing Apparatus (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Television Systems (AREA)
  • Slot Machines And Peripheral Devices (AREA)
DE8585101240T 1984-02-07 1985-02-06 Process for the preparation of blown film Expired DE3573228D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8400375A NL8400375A (nl) 1984-02-07 1984-02-07 Werkwijze voor het vervaardigen van blaasfolie.

Publications (1)

Publication Number Publication Date
DE3573228D1 true DE3573228D1 (en) 1989-11-02

Family

ID=19843445

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585101240T Expired DE3573228D1 (en) 1984-02-07 1985-02-06 Process for the preparation of blown film

Country Status (14)

Country Link
EP (1) EP0152865B1 (de)
JP (1) JPH069863B2 (de)
KR (1) KR850005789A (de)
AT (1) ATE46650T1 (de)
AU (1) AU570533B2 (de)
CA (1) CA1253307A (de)
DE (1) DE3573228D1 (de)
DK (1) DK162633C (de)
ES (1) ES8606424A1 (de)
FI (1) FI88127C (de)
NL (1) NL8400375A (de)
NO (1) NO171255C (de)
NZ (1) NZ211055A (de)
TR (1) TR22511A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8502190A (nl) * 1985-08-06 1987-03-02 Stamicarbon Werkwijze voor het vervaardigen van blaasfolie en georienteerde folie.
NL8502191A (nl) * 1985-08-06 1987-03-02 Stamicarbon Werkwijze voor het vervaardigen van vlakfolie.
US4859398A (en) * 1987-07-02 1989-08-22 Mobil Oil Corporation High shear extrusion of linear low density polyethylene
US6274691B1 (en) 1997-10-21 2001-08-14 Sumitomo Chemical Company, Limited Method of producing inflation film and said film
KR20230080232A (ko) 2021-11-29 2023-06-07 양지웅 풍선 바인더 클립 유닛

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754067A (en) * 1970-10-12 1973-08-21 Leco Industries Ltd Blown tube production
GB1441586A (en) * 1972-07-12 1976-07-07 Ici Ltd Method for reducing sharkskin on extruded polymeric material
JPS5323354A (en) * 1976-08-16 1978-03-03 Showa Electric Wire & Cable Co Method of producing bridged polyolefin film
US4243619A (en) * 1978-03-31 1981-01-06 Union Carbide Corporation Process for making film from low density ethylene hydrocarbon copolymer
US4202589A (en) * 1978-09-25 1980-05-13 Amp Incorporated Fuse holder
NL8001053A (nl) * 1980-02-21 1981-09-16 Stamicarbon Werkwijze voor het vormgeven van kunststoffen.
JPS6026698B2 (ja) * 1980-05-30 1985-06-25 日本ユニカ−株式会社 プラスチツクフイルムの成形方法および装置
US4348349A (en) * 1980-10-01 1982-09-07 Union Carbide Corporation Method for reducing melt fracture during extrusion of a molten narrow molecular weight distribution, linear, ethylene copolymer
JPS592991B2 (ja) * 1981-08-28 1984-01-21 富士通株式会社 磁気バブルデバイスのマイナル−プ構成法

Also Published As

Publication number Publication date
DK56685A (da) 1985-08-08
AU570533B2 (en) 1988-03-17
ES540166A0 (es) 1986-04-01
ATE46650T1 (de) 1989-10-15
DK56685D0 (da) 1985-02-07
EP0152865A1 (de) 1985-08-28
CA1253307A (en) 1989-05-02
FI88127B (fi) 1992-12-31
FI850500A0 (fi) 1985-02-06
NZ211055A (en) 1987-06-30
KR850005789A (ko) 1985-09-26
NO171255C (no) 1993-02-17
JPS60180818A (ja) 1985-09-14
TR22511A (tr) 1987-09-16
NL8400375A (nl) 1985-09-02
EP0152865B1 (de) 1989-09-27
DK162633B (da) 1991-11-25
FI850500L (fi) 1985-02-08
NO171255B (no) 1992-11-09
NO850452L (no) 1985-08-08
JPH069863B2 (ja) 1994-02-09
FI88127C (fi) 1993-04-13
DK162633C (da) 1992-04-13
AU3851885A (en) 1985-08-15
ES8606424A1 (es) 1986-04-01

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AU579021B2 (en) Process for the preparation of blown film and oriented film
ES2000838A6 (es) Pelicula colada, procedimiento para prepararla y objeto que la contiene.
DE3573228D1 (en) Process for the preparation of blown film
EP0434323A3 (en) Process for making continuous films of ordered poly(aryl-ether-ketone-ketones)
EP0278569A3 (de) Verfahren zur Herstellung eines gegossenen Films aus Polyäthylen hoher Dichte
EP0156130A3 (en) Process for the preparation of blown film and oriented film

Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: DSM N.V., HEERLEN, NL

8339 Ceased/non-payment of the annual fee