BR7902798A - Processo de reducao do conteudo de acetaldeido e do teor de geracao do acetaldeido da apara de tereftalato de polietileno e processo de moldagem de recipiente de tereftalato de polietileno - Google Patents

Processo de reducao do conteudo de acetaldeido e do teor de geracao do acetaldeido da apara de tereftalato de polietileno e processo de moldagem de recipiente de tereftalato de polietileno

Info

Publication number
BR7902798A
BR7902798A BR7902798A BR7902798A BR7902798A BR 7902798 A BR7902798 A BR 7902798A BR 7902798 A BR7902798 A BR 7902798A BR 7902798 A BR7902798 A BR 7902798A BR 7902798 A BR7902798 A BR 7902798A
Authority
BR
Brazil
Prior art keywords
acetaldeide
content
polyethylene tereftalate
tereftalate
reducing
Prior art date
Application number
BR7902798A
Other languages
English (en)
Inventor
W Freed
R Rupp
J Schaul
S Pauls
G Halek
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of BR7902798A publication Critical patent/BR7902798A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • 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
    • 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
    • C08G63/88—Post-polymerisation treatment
    • C08G63/90—Purification; Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B29B2009/168—Removing undesirable residual components, e.g. solvents, unreacted monomers; Degassing
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BR7902798A 1978-05-16 1979-05-08 Processo de reducao do conteudo de acetaldeido e do teor de geracao do acetaldeido da apara de tereftalato de polietileno e processo de moldagem de recipiente de tereftalato de polietileno BR7902798A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/906,393 US4223128A (en) 1978-05-16 1978-05-16 Process for preparing polyethylene terephthalate useful for beverage containers

Publications (1)

Publication Number Publication Date
BR7902798A true BR7902798A (pt) 1979-11-27

Family

ID=25422368

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7902798A BR7902798A (pt) 1978-05-16 1979-05-08 Processo de reducao do conteudo de acetaldeido e do teor de geracao do acetaldeido da apara de tereftalato de polietileno e processo de moldagem de recipiente de tereftalato de polietileno

Country Status (9)

Country Link
US (1) US4223128A (pt)
JP (1) JPS54149793A (pt)
BR (1) BR7902798A (pt)
CA (1) CA1128694A (pt)
DE (1) DE2919008A1 (pt)
FR (1) FR2426059A1 (pt)
GB (1) GB2030157B (pt)
IT (1) IT1113342B (pt)
MX (1) MX151944A (pt)

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Also Published As

Publication number Publication date
FR2426059B1 (pt) 1984-10-19
FR2426059A1 (fr) 1979-12-14
GB2030157B (en) 1982-09-08
IT1113342B (it) 1986-01-20
US4223128A (en) 1980-09-16
IT7922667A0 (it) 1979-05-14
CA1128694A (en) 1982-07-27
DE2919008A1 (de) 1979-11-29
GB2030157A (en) 1980-04-02
MX151944A (es) 1985-05-09
JPS54149793A (en) 1979-11-24

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