BE571827A - - Google Patents

Info

Publication number
BE571827A
BE571827A BE571827DA BE571827A BE 571827 A BE571827 A BE 571827A BE 571827D A BE571827D A BE 571827DA BE 571827 A BE571827 A BE 571827A
Authority
BE
Belgium
Prior art keywords
film
stretching
work
stretch
stretched
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE571827A publication Critical patent/BE571827A/fr

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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
BE571827D BE571827A (OSRAM)

Publications (1)

Publication Number Publication Date
BE571827A true BE571827A (OSRAM)

Family

ID=189874

Family Applications (1)

Application Number Title Priority Date Filing Date
BE571827D BE571827A (OSRAM)

Country Status (1)

Country Link
BE (1) BE571827A (OSRAM)

Similar Documents

Publication Publication Date Title
US4405775A (en) Biaxially oriented polypropylene film and method for its production
JP5883074B2 (ja) ヒートセット型光学フィルム
US6638449B2 (en) Method for manufacturing a broadband cholesteric polarizer
FR2459845A1 (fr) Filaments d'une resistance a la traction et d'un module eleves et un procede de fabrication de ces filaments
FR2586214A1 (fr) Procede pour fabriquer des films polyamide etires biaxialement
FR2530530A1 (fr) Procede de production d'une feuille mince en matiere thermoplastique et cette feuille
CH636648A5 (fr) Procede de preparation de fibres creuses et microporeuses de polypropylene.
EP0458635B1 (en) Polymeric film optical phase retarder and process for its production
EP0539302B2 (fr) Procédé d'obtention films en polyester semi-cristallins orientés
CN105593726A (zh) 相位差膜的制造方法及圆偏光板的制造方法与膜拉伸装置
BE571827A (OSRAM)
FR2516442A1 (fr) Procede et appareillage d'extrusion de films en polymeres d'olefines halogenees, utilisation comme films piezo-electriques, apres traitement de polarisation
FR2624887A1 (fr) Procede de fabrication de fibres de polyester par filage
Sokkar et al. A novel video opto-mechanical (VOM) device for studying the effect of stretching speed on the optical and structural properties of fibers
FR2752066A1 (fr) Procede d'obtention de surlongueur de fibres optiques dans un tube metallique de protection et ligne de mise en oeuvre
EP0167628A1 (en) Polarizing film and method of manufacturing the same
Uchiyama et al. Control of birefringence dispersion of uniaxially oriented poly (2, 6-dimethyl 1, 4-phenylene oxide)/atactic polystyrene blend films by changing the stretching parameters
JP2008039808A (ja) 位相差フィルムの製造方法、位相差フィルム、複合偏光板及び偏光板
JP2023098543A (ja) 粘着フィルム、粘着ラベル用粘着フィルム及び粘着ラベル
Chu et al. Rodlike superstructures in and mechanical properties of biaxially oriented polyethylene terephthalate film
Koike et al. The influence of molten fraction on the uniaxial deformation behavior of polypropylene: Real time mechano‐optical and atomic force microscopy observations
Paulos et al. Effect of postdrawing on the permeability of gases in blown polyethylene film
CN114730039A (zh) 相位差膜及其制造方法
BE704077A (OSRAM)
TWI888609B (zh) 偏光件以及包含該偏光件之偏光板及影像顯示裝置