DK104647C - Fremgangsmåde til fremstilling af i høj grad spændingsfri støbestykker, navnlig rør, af højmolekylære, termoplastiske polycarbonater. - Google Patents

Fremgangsmåde til fremstilling af i høj grad spændingsfri støbestykker, navnlig rør, af højmolekylære, termoplastiske polycarbonater.

Info

Publication number
DK104647C
DK104647C DK473760AA DK473760A DK104647C DK 104647 C DK104647 C DK 104647C DK 473760A A DK473760A A DK 473760AA DK 473760 A DK473760 A DK 473760A DK 104647 C DK104647 C DK 104647C
Authority
DK
Denmark
Prior art keywords
molecular
production
weight thermoplastic
thermoplastic polycarbonates
particular pipes
Prior art date
Application number
DK473760AA
Other languages
Danish (da)
English (en)
Inventor
Wilhelm Dr Hechelhammer
Hugo Dr Streib
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
Application granted granted Critical
Publication of DK104647C publication Critical patent/DK104647C/da

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
    • C08J7/08—Heat treatment
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • 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
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • B29C2071/022—Annealing
    • 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
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
    • 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
    • B29K2069/00—Use of PC, i.e. polycarbonates 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
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DK473760AA 1960-03-08 1960-11-28 Fremgangsmåde til fremstilling af i høj grad spændingsfri støbestykker, navnlig rør, af højmolekylære, termoplastiske polycarbonater. DK104647C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0030706 1960-03-08

Publications (1)

Publication Number Publication Date
DK104647C true DK104647C (da) 1966-06-13

Family

ID=7093879

Family Applications (1)

Application Number Title Priority Date Filing Date
DK473760AA DK104647C (da) 1960-03-08 1960-11-28 Fremgangsmåde til fremstilling af i høj grad spændingsfri støbestykker, navnlig rør, af højmolekylære, termoplastiske polycarbonater.

Country Status (6)

Country Link
US (1) US3155756A (sv)
AT (1) AT243499B (sv)
BE (1) BE597653A (sv)
CH (1) CH418637A (sv)
DK (1) DK104647C (sv)
GB (1) GB920375A (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1186614B (de) * 1961-09-06 1965-02-04 Continental Gummi Werke Ag Verfahren zum Herstellen von Koerpern aus Gummi mit Verstaerkungseinlagen aus in der Waerme schrumpfenden Linear-Polymeren, insbesondere von Luftfederbaelgen
US3426133A (en) * 1966-03-21 1969-02-04 Phillips Petroleum Co Pest or rodent repellent composition and article treated thereby
US3541200A (en) * 1967-12-26 1970-11-17 Union Carbide Corp Surface crystallization of poly(2,2,4,4-tetramethylcyclobutanediol - 1,3) carbonates by solvent vapor
US3546332A (en) * 1967-12-26 1970-12-08 Union Carbide Corp Surface crystallization of poly(2,2,4,4-tetramethylcyclobutanediol - 1,3)carbonates
US3546331A (en) * 1967-12-26 1970-12-08 Union Carbide Corp Surface crystallization of poly(2,2,4,4-tetramethylcyclobutanediol - 1,3)carbonates by organic solvent/organic nonsolvent liquid solutions
US3673289A (en) * 1970-01-28 1972-06-27 Ibm Quenching injection molded polycarbonate parts for fatigue resistance
US3975485A (en) * 1974-07-16 1976-08-17 Allied Chemical Corporation Production of films and sheets of polyester-polycarbonate blends
NL176804C (nl) * 1977-04-06 1985-06-03 Wavin Bv Kunststofbuis met langskanalen in zijn wand, alsmede werkwijze voor het vervaardigen van een dergelijke kunststofbuis.
US4299951A (en) * 1980-01-29 1981-11-10 Phillips Petroleum Co. Treating shaped arylene sulfide/sulfone polymer with organic liquid at elevated temperature
DE3336244A1 (de) * 1983-10-05 1985-04-25 Bayer Ag, 5090 Leverkusen Verfahren zum tempern thermoplastisch verformter kunststoffteile
US5489404A (en) * 1994-08-08 1996-02-06 General Electric Company Process for annealing thermoplastics
WO2008112815A2 (en) * 2007-03-12 2008-09-18 University Of Washington Methods for altering the impact strength of noncellular thermoplastic materials

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2157049A (en) * 1937-04-15 1939-05-02 Rohm & Haas Process of treating cast polymeric resin sheets
US2789971A (en) * 1953-12-08 1957-04-23 Eastman Kodak Co Polycarbonates from 4, 4'-bis (beta-hydroxyethyl)-biphenyl-bis
US2789970A (en) * 1953-12-08 1957-04-23 Eastman Kodak Co Polycarbonates from 1, 4-bis-(beta-hydroxyethyl)-benzenes-bis
US2990580A (en) * 1956-06-04 1961-07-04 Du Pont Process for improving bursting strength of polyethylene pipe
US3021568A (en) * 1958-10-15 1962-02-20 Phillips Petroleum Co Injection molding of plastic materials

Also Published As

Publication number Publication date
US3155756A (en) 1964-11-03
GB920375A (en) 1963-03-06
BE597653A (sv) 1900-01-01
CH418637A (de) 1966-08-15
AT243499B (de) 1965-11-10

Similar Documents

Publication Publication Date Title
DK134646B (da) Analogifremgangsmåde til fremstilling af bis-chromoner.
DK112898B (da) Fremgangsmåde til forbedring af polystyrens styrkeegenskaber.
DK105002C (da) Fremgangsmåde til fremstilling af lysbestandige, højmolekylære polyestere.
DK127333B (da) Fremgangsmåde til fremstilling af uricase.
DK104647C (da) Fremgangsmåde til fremstilling af i høj grad spændingsfri støbestykker, navnlig rør, af højmolekylære, termoplastiske polycarbonater.
DK135593B (da) Fremgangsmåde til fremstilling af legeringer af TiNi-typen.
DK140697B (da) Fremgangsmåde til fremstilling af 2-amino-4-hydroxy-6-hydroxymethyl-7,7-dimethyl-7,8-dihydropteridin.
DK117388B (da) Fremgangsmåde til fremstilling af lineære polyamider.
DK134903B (da) Fremgangsmåde til fremstilling af aldehyder.
DK108269C (da) Fremgangsmåde til fremstilling af pigmenterede formstoffer.
DK124338B (da) Fremgangsmåde til fremstilling af uricase.
DK114297B (da) Fremgangsmåde til fremstilling af vanskeligt brændbare skumstoffer.
DK131875B (da) Fremgangsmåde til fremstilling af uricase.
DK105135C (da) Fremgangsmåde til fremstilling af halvgennemsigtige, opaliserende formstoffilm.
DK134156B (da) Fremgangsmåde til fremstilling af alfa, omega-alkylendiaminer.
DK125199B (da) Analogifremgangsmåde til fremstilling af benzamidiner.
DK130355B (da) Fremgangsmåde til fremstilling af stål.
DK132399B (da) Fremgangsmåde til fremstilling af olefiner med små molekyler.
DK108527C (da) Fremgangsmåde til fremstilling af ferrochelater.
DK111405B (da) Fremgangsmåde til fremstilling af tobaksfolier.
DK135797B (da) Fremgangsmåde til fremstilling af polyenaldehyder.
DK125482B (da) Fremgangsmåde til fremstilling af krydsfinér.
DK127558B (da) Fremgangsmåde til fremstilling af polyurethaner, eventuelt i skumform.
DK116599B (da) Fremgangsmåde til fremstilling af formstof-klicheer.
DK111235B (da) Fremgangsmåde til fremstilling af tetraflourethylen.