FR1247574A - Method and apparatus for making beads, or the like, with molten or heat-plasticized polymeric thermoplastic material - Google Patents

Method and apparatus for making beads, or the like, with molten or heat-plasticized polymeric thermoplastic material

Info

Publication number
FR1247574A
FR1247574A FR815328A FR815328A FR1247574A FR 1247574 A FR1247574 A FR 1247574A FR 815328 A FR815328 A FR 815328A FR 815328 A FR815328 A FR 815328A FR 1247574 A FR1247574 A FR 1247574A
Authority
FR
France
Prior art keywords
molten
heat
thermoplastic material
polymeric thermoplastic
plasticized polymeric
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
FR815328A
Other languages
French (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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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
Priority claimed from US787072A external-priority patent/US3003193A/en
Priority claimed from US787073A external-priority patent/US2958099A/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of FR1247574A publication Critical patent/FR1247574A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
    • 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
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
FR815328A 1959-01-15 1960-01-11 Method and apparatus for making beads, or the like, with molten or heat-plasticized polymeric thermoplastic material Expired FR1247574A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US787072A US3003193A (en) 1959-01-15 1959-01-15 Method for making beads of thermoplastic polymers
US787073A US2958099A (en) 1959-01-15 1959-01-15 Extrusion die for plastic extruders

Publications (1)

Publication Number Publication Date
FR1247574A true FR1247574A (en) 1960-12-02

Family

ID=27120612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815328A Expired FR1247574A (en) 1959-01-15 1960-01-11 Method and apparatus for making beads, or the like, with molten or heat-plasticized polymeric thermoplastic material

Country Status (4)

Country Link
DE (1) DE1404966B2 (en)
FR (1) FR1247574A (en)
GB (1) GB880055A (en)
LU (1) LU38134A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003266199A1 (en) * 2002-10-04 2004-05-04 Kreyenborg Verwaltungen Und Beteiligungen Gmbh And Co. Kg Method for granulating plastics
ES2267075T3 (en) 2003-10-17 2007-03-01 BKG BRUCKMANN & KREYENBORG GRANULIERTECHNIK GMBH THERMAL TREATMENT PROCEDURE OF POLYESTER GRANULATES.
EP2217421A1 (en) 2007-11-08 2010-08-18 ExxonMobil Chemical Patents Inc. Method and apparatus for pelletizing a polymer feed
CN106268510A (en) * 2016-09-18 2017-01-04 湖南万容科技股份有限公司 A kind of pyrolysis oil bottoms processing system
CN112092277B (en) * 2020-08-05 2022-02-25 江苏佳境生态工程技术有限公司 Process for manufacturing permeable plastic road surface layer particles

Also Published As

Publication number Publication date
LU38134A1 (en) 1900-01-01
DE1404966B2 (en) 1970-02-19
GB880055A (en) 1961-10-18
DE1404966A1 (en) 1968-10-03

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