IT639570A - - Google Patents

Info

Publication number
IT639570A
IT639570A IT639570DA IT639570A IT 639570 A IT639570 A IT 639570A IT 639570D A IT639570D A IT 639570DA IT 639570 A IT639570 A IT 639570A
Authority
IT
Italy
Application number
Other languages
Italian (it)
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.)
Publication of IT639570A publication Critical patent/IT639570A/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • 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
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • 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
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/08—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed
    • B29C55/085—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed in several stretching steps
    • 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
    • B29C55/146—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly transversely to the direction of feed and then parallel thereto
    • 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
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polarising Elements (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT639570D 1959-11-24 IT639570A (en:Method)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US892006XA 1959-11-24 1959-11-24
US13511561A 1961-08-31 1961-08-31
US435109A US3271495A (en) 1959-11-24 1965-01-21 Process for biaxially orienting polypropylene film

Publications (1)

Publication Number Publication Date
IT639570A true IT639570A (en:Method)

Family

ID=31982227

Family Applications (1)

Application Number Title Priority Date Filing Date
IT639570D IT639570A (en:Method) 1959-11-24

Country Status (7)

Country Link
US (1) US3271495A (en:Method)
BE (2) BE621076A (en:Method)
CA (1) CA708888A (en:Method)
FR (2) FR1274162A (en:Method)
GB (2) GB892006A (en:Method)
IT (1) IT639570A (en:Method)
NL (1) NL258166A (en:Method)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214503A (en) * 1962-09-28 1965-10-26 Hercules Powder Co Ltd Uniaxial orientation of polypropylene film
AT295126B (de) * 1963-09-28 1971-12-27 Kalle Ag Verfahren zur Herstellung von schrumpffähigen Folien aus Polypropylen
US3523988A (en) * 1965-03-22 1970-08-11 Zbislaw M Roehr Method of making large celled plastic materials with integral skins
US3468862A (en) * 1965-06-25 1969-09-23 Mobil Oil Corp Polybutene-1 film and its orientation process
US3539666A (en) * 1968-06-18 1970-11-10 Grace W R & Co Method for preparing a nonwoven fabriclike member
US3676539A (en) * 1969-09-02 1972-07-11 Mobil Oil Corp Biaxial orientation of thermoplastic film
US4137362A (en) * 1973-08-27 1979-01-30 Nitto Electric Industrial Co., Ltd. Pressure sensitive adhesive tapes
DE2543006C2 (de) * 1974-09-27 1985-05-30 Teijin Ltd., Osaka Verwendung einer biaxial orientierten Polyäthylenterephthalatfolie als Gewächshausbespannung
US4138520A (en) * 1974-11-29 1979-02-06 Mitsubishi Rayon Co., Ltd. Translucent polypropylene film and process for producing the same
US4156709A (en) * 1975-04-04 1979-05-29 Okura Kogyo Kabushiki Kaisha Process for preparing a polypropylene film for shrink packaging
DD125061A5 (en:Method) * 1975-06-25 1977-03-30
GB1568964A (en) * 1975-11-05 1980-06-11 Nat Res Dev Oriented polymer materials
US4335069A (en) * 1981-06-25 1982-06-15 E. I. Du Pont De Nemours And Company Flat sheet process for production of polyolefin shrink film
US4661389A (en) * 1984-03-27 1987-04-28 Leucadia, Inc. Multiple-layer reinforced laminate
JPS6147234A (ja) * 1984-08-13 1986-03-07 Mitsubishi Plastics Ind Ltd 熱収縮性ポリプロピレン系フイルムの製造方法
US7037461B1 (en) * 1999-12-21 2006-05-02 3M Innovative Properties Company Method of stretching film
JP6340274B2 (ja) * 2013-10-30 2018-06-06 パナソニック株式会社 ポリプロピレン成形体の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627088A (en) * 1950-03-22 1953-02-03 Du Pont Preparation of oriented coated films
US2823421A (en) * 1952-05-12 1958-02-18 Du Pont Stretching of polyethylene terephthalate film
US2952867A (en) * 1955-12-01 1960-09-20 Hoechst Ag Process for the production of thermoplastic films
BE553174A (en:Method) * 1955-12-06 1900-01-01
BE560616A (en:Method) * 1956-09-06 1900-01-01

Also Published As

Publication number Publication date
BE597347A (en:Method)
FR1274162A (fr) 1961-10-20
GB937986A (en) 1963-09-25
GB892006A (en) 1962-03-21
FR82200E (fr) 1964-01-04
NL258166A (en:Method)
BE621076A (en:Method)
CA708888A (en) 1965-05-04
US3271495A (en) 1966-09-06

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