CH413346A - Verfahren zur Verbesserung der Eigenschaften von nur in einer Richtung verstreckten, zumindest teilweise kristallinen Folien aus dem Polycarbonat des 4,4'-dioxydiphenyl-2,2-propan - Google Patents

Verfahren zur Verbesserung der Eigenschaften von nur in einer Richtung verstreckten, zumindest teilweise kristallinen Folien aus dem Polycarbonat des 4,4'-dioxydiphenyl-2,2-propan

Info

Publication number
CH413346A
CH413346A CH680463A CH680463A CH413346A CH 413346 A CH413346 A CH 413346A CH 680463 A CH680463 A CH 680463A CH 680463 A CH680463 A CH 680463A CH 413346 A CH413346 A CH 413346A
Authority
CH
Switzerland
Prior art keywords
dioxydiphenyl
propane
polycarbonate
stretched
improving
Prior art date
Application number
CH680463A
Other languages
English (en)
Inventor
Huff Karl Dr Dipl-Phys
Hermann Dr Hofmeier
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of CH413346A publication Critical patent/CH413346A/de

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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents
    • 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
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • 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
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
CH680463A 1962-06-25 1963-05-30 Verfahren zur Verbesserung der Eigenschaften von nur in einer Richtung verstreckten, zumindest teilweise kristallinen Folien aus dem Polycarbonat des 4,4'-dioxydiphenyl-2,2-propan CH413346A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF37150A DE1232336B (de) 1962-06-25 1962-06-25 Verfahren zur Erhoehung der Kanteneinreisskraft und der Reissdehnung sowie Erniedrigung des dielektrischen Verlustwinkels tg delta von nur in einer Richtung verstreckten, zumindest teilweise kristallinen Folien aus dem Polycarbonat des 4, 4'-dioxydiphenyl -2, 2-propans

Publications (1)

Publication Number Publication Date
CH413346A true CH413346A (de) 1966-05-15

Family

ID=7096758

Family Applications (1)

Application Number Title Priority Date Filing Date
CH680463A CH413346A (de) 1962-06-25 1963-05-30 Verfahren zur Verbesserung der Eigenschaften von nur in einer Richtung verstreckten, zumindest teilweise kristallinen Folien aus dem Polycarbonat des 4,4'-dioxydiphenyl-2,2-propan

Country Status (7)

Country Link
US (1) US3445561A (de)
BE (1) BE634001A (de)
CH (1) CH413346A (de)
DE (1) DE1232336B (de)
GB (1) GB993342A (de)
NL (1) NL294487A (de)
SE (1) SE311222B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3326854A (en) * 1964-02-06 1967-06-20 Eastman Kodak Co High temperature-resistant polycarbonates and process
US4507163A (en) * 1981-08-27 1985-03-26 Johnson & Johnson Baby Products Company Imparting an inelastic and elastic character to predetermined portions of an elastic web for use in making disposable diapers
DE3336244A1 (de) * 1983-10-05 1985-04-25 Bayer Ag, 5090 Leverkusen Verfahren zum tempern thermoplastisch verformter kunststoffteile
DE3341557A1 (de) * 1983-10-22 1985-05-02 Bayer Ag, 5090 Leverkusen Gefuellte polycarbonatfolien, ihre herstellung und verwendung
DE3347684A1 (de) * 1983-12-31 1985-08-29 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von kunststoff-folien mit verbesserten optischen eigenschaften
SG54990A1 (en) * 1991-12-09 1998-12-21 Sumitomo Chemical Co Process for producing phase retarder from a thermoplastic resin film or sheet
JPH06300916A (ja) * 1993-04-12 1994-10-28 Sumitomo Chem Co Ltd 位相差フィルムの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA622443A (en) * 1961-06-20 M. Jackman Robert Method of lamination
BE561855A (de) * 1956-10-24
US2974370A (en) * 1959-01-14 1961-03-14 Grace W R & Co Copies and method for making the same
US3083071A (en) * 1959-12-21 1963-03-26 American Cyanamid Co Treatment of synthetic fiber tow
US3073002A (en) * 1960-03-28 1963-01-15 E B & A C Whiting Non-distorting polypropylene fibers
US3214500A (en) * 1960-09-30 1965-10-26 Du Pont Process for making filamentary structures prepared from the polycarbonate of 2, 2-(4, 4'-dihydroxydiphenyl) propane

Also Published As

Publication number Publication date
NL294487A (de)
SE311222B (de) 1969-06-02
GB993342A (en) 1965-05-26
BE634001A (de)
DE1232336B (de) 1967-01-12
US3445561A (en) 1969-05-20

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