FR1048058A - Improved process for the preparation of free-flowing cell globules, and resulting products - Google Patents

Improved process for the preparation of free-flowing cell globules, and resulting products

Info

Publication number
FR1048058A
FR1048058A FR1048058DA FR1048058A FR 1048058 A FR1048058 A FR 1048058A FR 1048058D A FR1048058D A FR 1048058DA FR 1048058 A FR1048058 A FR 1048058A
Authority
FR
France
Prior art keywords
preparation
free
improved process
resulting products
flowing cell
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
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
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of FR1048058A publication Critical patent/FR1048058A/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
    • 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
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/60—Releasing, lubricating or separating agents
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR1048058D 1951-08-29 1951-08-29 Improved process for the preparation of free-flowing cell globules, and resulting products Expired FR1048058A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20428/51A GB687398A (en) 1951-08-29 1951-08-29 Improvements in or relating to methods of making free-flowing cellular pellets of thermoplastic resins

Publications (1)

Publication Number Publication Date
FR1048058A true FR1048058A (en) 1953-12-18

Family

ID=10145799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1048058D Expired FR1048058A (en) 1951-08-29 1951-08-29 Improved process for the preparation of free-flowing cell globules, and resulting products

Country Status (4)

Country Link
BE (1) BE505625A (en)
FR (1) FR1048058A (en)
GB (1) GB687398A (en)
NL (2) NL77282C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1455714A (en) * 1972-11-28 1976-11-17 Alta Ind Loose-fill packaging material
FR2482930A1 (en) 1980-05-23 1981-11-27 Deledalle Maurice THERMOPLASTIC MATERIAL FOAM FILLING PARTICLE, METHOD AND DEVICE FOR MANUFACTURING THERMOPLASTIC MATERIAL
DE3413268C2 (en) * 1984-04-07 1989-08-31 Kohler & Stuhr GmbH & Co KG, 7867 Wehr Filling mix for upholstery
GB2162789A (en) * 1984-07-16 1986-02-12 Cosden Technology Process for making expandable polystyrene
CN112121946A (en) * 2020-08-11 2020-12-25 湖州爆米花信息科技有限公司 Foaming machine capable of avoiding internal blockage during automobile accessory part processing

Also Published As

Publication number Publication date
BE505625A (en)
NL164231B (en)
NL77282C (en)
GB687398A (en) 1953-02-11

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