FR1532137A - Procédé de nettoyage d'appareillages chimiques - Google Patents

Procédé de nettoyage d'appareillages chimiques

Info

Publication number
FR1532137A
FR1532137A FR115456A FR115456A FR1532137A FR 1532137 A FR1532137 A FR 1532137A FR 115456 A FR115456 A FR 115456A FR 115456 A FR115456 A FR 115456A FR 1532137 A FR1532137 A FR 1532137A
Authority
FR
France
Prior art keywords
cleaning process
chemical equipment
equipment cleaning
chemical
equipment
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.)
Expired
Application number
FR115456A
Other languages
English (en)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of FR1532137A publication Critical patent/FR1532137A/fr
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • D01D4/04—Cleaning spinnerettes or other parts of the spinnerette packs
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/008—Processes of polymerisation cleaning reaction vessels using chemicals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/785—Preparation processes characterised by the apparatus used

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)
  • Textile Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Polyesters Or Polycarbonates (AREA)
FR115456A 1966-07-28 1967-07-25 Procédé de nettoyage d'appareillages chimiques Expired FR1532137A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56837966A 1966-07-28 1966-07-28

Publications (1)

Publication Number Publication Date
FR1532137A true FR1532137A (fr) 1968-07-05

Family

ID=24271040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR115456A Expired FR1532137A (fr) 1966-07-28 1967-07-25 Procédé de nettoyage d'appareillages chimiques

Country Status (3)

Country Link
US (1) US3485670A (fr)
FR (1) FR1532137A (fr)
GB (1) GB1187480A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375352A1 (fr) * 1976-12-22 1978-07-21 Hoechst Ag Procede de nettoyage de filieres a polyesters

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923653A (en) * 1972-09-27 1975-12-02 American Induction Heating Method for cleaning metallic filters of plastic waste
US3865628A (en) * 1973-02-26 1975-02-11 Cesco Inc Removal of polymer residue from surfaces of processing equipment
CH635250A5 (de) * 1977-08-12 1983-03-31 Schweizerische Viscose Verfahren und vorrichtung zur entfernung von rueckstaenden auf geraeten durch pyrolyse.
US4247342A (en) * 1978-05-24 1981-01-27 Milliken Research Corporation Method and composition for removing ethylene glycol terephthalate oligomer deposits and dyestuff residue from textile dyeing equipment
DE3838188A1 (de) * 1988-11-10 1990-05-17 Fourne Maschinenbau Gmbh Reinigung polymerbehafteter teile
CA2159412A1 (fr) * 1994-11-04 1996-05-05 H. Clay Linstid Iii Methode pour reduire les taches noires dans un polymere cristallise liquide thermotrope
US5976225A (en) * 1996-06-07 1999-11-02 N. S. Technologies, Inc. Method of recovering paint booth filters
JP3787898B2 (ja) * 1996-06-17 2006-06-21 臼井国際産業株式会社 高圧燃料噴射管の製造方法
CN101208150B (zh) * 2005-07-05 2012-06-27 三菱丽阳株式会社 催化剂的制造方法
PL3969643T3 (pl) 2019-05-17 2024-04-08 Lenzing Aktiengesellschaft Sposób i urządzenie do czyszczenia dysz podczas wytwarzania celulozowej włókniny typu spunbond
CN116254614B (zh) * 2023-05-08 2023-07-28 常州纺兴精密机械有限公司 一种用于再生纤维喷丝板加工的清洗装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781242A (en) * 1954-02-05 1957-02-12 Du Pont Process of improving the hand of polyethylene terephthalate fabric by heat shrinking and hydrolyzing the fabric
US2907687A (en) * 1958-02-21 1959-10-06 Dow Chemical Co Cleaning spinnerettes
US2917418A (en) * 1958-03-13 1959-12-15 Eastman Kodak Co Thermolytic process for cleaning apparatus used in processing polyethylene terephthalate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375352A1 (fr) * 1976-12-22 1978-07-21 Hoechst Ag Procede de nettoyage de filieres a polyesters

Also Published As

Publication number Publication date
US3485670A (en) 1969-12-23
GB1187480A (en) 1970-04-08

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