BR7800659A - Aparelho controlado por computador para preparacao de polietileno tereftalato - Google Patents

Aparelho controlado por computador para preparacao de polietileno tereftalato

Info

Publication number
BR7800659A
BR7800659A BR7800659A BR7800659A BR7800659A BR 7800659 A BR7800659 A BR 7800659A BR 7800659 A BR7800659 A BR 7800659A BR 7800659 A BR7800659 A BR 7800659A BR 7800659 A BR7800659 A BR 7800659A
Authority
BR
Brazil
Prior art keywords
preparation
computer controlled
controlled appliance
polyethylene tereftalate
tereftalate
Prior art date
Application number
BR7800659A
Other languages
English (en)
Inventor
R Kenward
J Shiver
A Moody
Original Assignee
Allied Chem
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 Allied Chem filed Critical Allied Chem
Publication of BR7800659A publication Critical patent/BR7800659A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
BR7800659A 1977-02-02 1978-01-31 Aparelho controlado por computador para preparacao de polietileno tereftalato BR7800659A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/764,795 US4106098A (en) 1977-02-02 1977-02-02 Computer controlled apparatus for preparation of polyethylene terephthalate

Publications (1)

Publication Number Publication Date
BR7800659A true BR7800659A (pt) 1979-01-02

Family

ID=25071799

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7800659A BR7800659A (pt) 1977-02-02 1978-01-31 Aparelho controlado por computador para preparacao de polietileno tereftalato

Country Status (3)

Country Link
US (1) US4106098A (pt)
JP (1) JPS5397090A (pt)
BR (1) BR7800659A (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4771392A (en) * 1978-01-30 1988-09-13 Edmund F. Bard Programmable time varying control system and method
US4237261A (en) * 1979-09-17 1980-12-02 Nippon Ester Co., Ltd. Process for continuously producing polyester and spun fiber
US4361538A (en) * 1981-03-17 1982-11-30 Davy International Ag Continuous moving bed reactor for manufacture of high molecular weight polyethylene terephthalate
US4445526A (en) * 1981-09-30 1984-05-01 Rca Corporation System and method for controlling the specific gravity and viscosity of the slurry applied to television picture tube faceplates
US4967382A (en) * 1987-01-09 1990-10-30 Hall Burness C Programmable time varying control system and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275809A (en) * 1957-12-04 1966-09-27 Phillips Petroleum Co Measurement and control of polymerization reactions
US3108094A (en) * 1959-05-18 1963-10-22 Phillips Petroleum Co Olefin polymerization
US3475392A (en) * 1963-09-23 1969-10-28 Phillips Petroleum Co Process control system for maintaining constant polymerization conditions
US3594559A (en) * 1968-06-26 1971-07-20 Phillips Petroleum Co Process control for polymerization control system having equation updating feedback networks
US3614682A (en) * 1970-06-22 1971-10-19 Firestone Tire & Rubber Co Digital computer control of polymerization process
US3878379A (en) * 1972-08-14 1975-04-15 Allied Chem Polymer intrinsic viscosity control
JPS5323878B2 (pt) * 1973-02-22 1978-07-17
JPS51117794A (en) * 1975-04-04 1976-10-16 Allied Chem Control system for intrinsic viscosity of polymer

Also Published As

Publication number Publication date
JPS5397090A (en) 1978-08-24
US4106098A (en) 1978-08-08

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