GB1244760A - Process for the production of granules containing expanding agent - Google Patents

Process for the production of granules containing expanding agent

Info

Publication number
GB1244760A
GB1244760A GB2819/69A GB281969A GB1244760A GB 1244760 A GB1244760 A GB 1244760A GB 2819/69 A GB2819/69 A GB 2819/69A GB 281969 A GB281969 A GB 281969A GB 1244760 A GB1244760 A GB 1244760A
Authority
GB
United Kingdom
Prior art keywords
liquid
expanding agent
pressure chamber
cooling
granules containing
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
GB2819/69A
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.)
Huels AG
Original Assignee
Chemische Werke Huels AG
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 DE19681729526 external-priority patent/DE1729526B2/de
Application filed by Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Publication of GB1244760A publication Critical patent/GB1244760A/en
Expired 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • 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
    • 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
    • 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
    • B29B9/12—Making granules characterised by structure or composition

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (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)
GB2819/69A 1968-01-18 1969-01-17 Process for the production of granules containing expanding agent Expired GB1244760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681729526 DE1729526B2 (de) 1968-01-18 1968-01-18 Einrichtung zur Herstellung von blähfähigen thermoplastischen Kunststotfgranulaten

Publications (1)

Publication Number Publication Date
GB1244760A true GB1244760A (en) 1971-09-02

Family

ID=5690596

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2819/69A Expired GB1244760A (en) 1968-01-18 1969-01-17 Process for the production of granules containing expanding agent

Country Status (2)

Country Link
FR (1) FR1595014A (it)
GB (1) GB1244760A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162789A (en) * 1984-07-16 1986-02-12 Cosden Technology Process for making expandable polystyrene

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1163386B (it) * 1983-05-19 1987-04-08 Montedison Spa Procedimento per la produzione di granuli espandibili di polimeri termoplastici e relativa apparecchiatura

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162789A (en) * 1984-07-16 1986-02-12 Cosden Technology Process for making expandable polystyrene

Also Published As

Publication number Publication date
FR1595014A (it) 1970-06-08

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