FR2277121A1 - Granules de polyester pour le faconnage a l'etat fondu - Google Patents

Granules de polyester pour le faconnage a l'etat fondu

Info

Publication number
FR2277121A1
FR2277121A1 FR7521285A FR7521285A FR2277121A1 FR 2277121 A1 FR2277121 A1 FR 2277121A1 FR 7521285 A FR7521285 A FR 7521285A FR 7521285 A FR7521285 A FR 7521285A FR 2277121 A1 FR2277121 A1 FR 2277121A1
Authority
FR
France
Prior art keywords
melted state
state forming
polyester pellets
pellets
polyester
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.)
Granted
Application number
FR7521285A
Other languages
English (en)
Other versions
FR2277121B1 (fr
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Publication of FR2277121A1 publication Critical patent/FR2277121A1/fr
Application granted granted Critical
Publication of FR2277121B1 publication Critical patent/FR2277121B1/fr
Granted legal-status Critical Current

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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Landscapes

  • 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)
  • Glanulating (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7521285A 1974-07-05 1975-07-07 Granules de polyester pour le faconnage a l'etat fondu Granted FR2277121A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49076416A JPS5148789B2 (fr) 1974-07-05 1974-07-05

Publications (2)

Publication Number Publication Date
FR2277121A1 true FR2277121A1 (fr) 1976-01-30
FR2277121B1 FR2277121B1 (fr) 1978-12-29

Family

ID=13604598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521285A Granted FR2277121A1 (fr) 1974-07-05 1975-07-07 Granules de polyester pour le faconnage a l'etat fondu

Country Status (7)

Country Link
US (1) US4051112A (fr)
JP (1) JPS5148789B2 (fr)
CA (1) CA1052498A (fr)
DE (1) DE2530027B2 (fr)
FR (1) FR2277121A1 (fr)
GB (1) GB1510803A (fr)
NL (1) NL165678C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0427645A1 (fr) * 1989-11-10 1991-05-15 Rhone-Poulenc Chimie Procédé de préparation de poudres de polymère thermotrope par extrusion-granulation-broyage, et les poudres fines et coulables obtenues

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5218753A (en) * 1975-08-05 1977-02-12 Toray Ind Inc Chips for molding composed of a polyester-polyether block copolymer an d a process for preparing them
US4224264A (en) * 1979-01-18 1980-09-23 Monsanto Company Foam crystallization of condensation polymers
US4312960A (en) * 1979-01-18 1982-01-26 Monsanto Company Foam crystallization of condensation polymers
US4394498A (en) * 1981-08-24 1983-07-19 Celanese Corporation Method for providing particulates of liquid crystal polymers and particulates produced therefrom
US4455417A (en) * 1982-07-06 1984-06-19 Allied Corporation Process to form amorphous, crystallizable thermoplastic polymers
JPS609908A (ja) * 1983-06-28 1985-01-19 Teijin Ltd 合成繊維の紡糸方法
US4879081A (en) * 1988-07-15 1989-11-07 Eastman Kodak Company Process of making fused, oriented-grain polymeric materials
GB2229442A (en) * 1989-01-20 1990-09-26 Halstead James Ltd Multicoloured sheet material
US20050167876A1 (en) * 2002-10-04 2005-08-04 Jan-Udo Kreyenborg Method for granulating plastics
PL1841575T5 (pl) * 2005-01-18 2017-12-29 M&G Usa Corporation Segmentowane granule z podobnymi polimerami mającymi o różnych lepkościach mające poprawioną przetwarzalność
US9656418B2 (en) * 2006-04-21 2017-05-23 Dak Americas Llc Co-polyester packaging resins prepared without solid-state polymerization, a method for processing the co-polyester resins with reduced viscosity change and containers and other articles prepared by the process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2834053A (en) * 1955-11-04 1958-05-13 Allied Chem & Dye Corp Granulation of fusible, molecularly orientable polymers
NL96018C (fr) * 1957-02-20
US3728309A (en) * 1969-06-13 1973-04-17 Mobil Oil Corp Progressive heating in polyester condensations
BE756074A (fr) * 1969-09-11 1971-03-11 Hoechst Ag Matieres a mouler thermoplastiques a base de polyesters
US3634359A (en) * 1969-10-15 1972-01-11 Hoechst Ag Process for the manufacture of high-molecular weight polyesters
US3931082A (en) * 1971-07-27 1976-01-06 Fmc Corporation Microcrystalline polyesters and dispersions thereof
US3746688A (en) * 1971-08-04 1973-07-17 Monsanto Co Continuous drying and crystallization process for polyesters
FR2199546B1 (fr) * 1972-09-21 1975-03-14 Rhone Progil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0427645A1 (fr) * 1989-11-10 1991-05-15 Rhone-Poulenc Chimie Procédé de préparation de poudres de polymère thermotrope par extrusion-granulation-broyage, et les poudres fines et coulables obtenues
FR2654380A1 (fr) * 1989-11-10 1991-05-17 Rhone Poulenc Chimie Procede de preparation de poudres de polymere thermotrope par extrusion-granulation-broyage, les granules conduisant par broyage a ces poudres et les poudres fines et coulables obtenues.
US5100605A (en) * 1989-11-10 1992-03-31 Rhone-Poulenc Chimie Process for the production of finely divided and free-flowing powders of thermotropic polymers

Also Published As

Publication number Publication date
JPS516254A (fr) 1976-01-19
US4051112A (en) 1977-09-27
DE2530027B2 (de) 1978-02-23
NL165678C (nl) 1981-05-15
CA1052498A (fr) 1979-04-10
NL7508014A (nl) 1976-01-07
NL165678B (nl) 1980-12-15
GB1510803A (en) 1978-05-17
DE2530027A1 (de) 1976-01-22
JPS5148789B2 (fr) 1976-12-22
FR2277121B1 (fr) 1978-12-29

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Legal Events

Date Code Title Description
ST Notification of lapse