FI50945C - Process for expanding beads of thermoplastic material containing a heat-acting blowing agent. - Google Patents

Process for expanding beads of thermoplastic material containing a heat-acting blowing agent.

Info

Publication number
FI50945C
FI50945C FI250968A FI250968A FI50945C FI 50945 C FI50945 C FI 50945C FI 250968 A FI250968 A FI 250968A FI 250968 A FI250968 A FI 250968A FI 50945 C FI50945 C FI 50945C
Authority
FI
Finland
Prior art keywords
heat
material containing
thermoplastic material
blowing agent
acting blowing
Prior art date
Application number
FI250968A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI50945B (en
Inventor
Jean Battigelli
Original Assignee
Saint Gobain
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 Saint Gobain filed Critical Saint Gobain
Application granted granted Critical
Publication of FI50945B publication Critical patent/FI50945B/fi
Publication of FI50945C publication Critical patent/FI50945C/en

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
    • B29C44/3461—Making or treating expandable particles
    • 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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FI250968A 1967-11-14 1968-09-06 Process for expanding beads of thermoplastic material containing a heat-acting blowing agent. FI50945C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR128061 1967-11-14

Publications (2)

Publication Number Publication Date
FI50945B FI50945B (en) 1976-05-31
FI50945C true FI50945C (en) 1976-09-10

Family

ID=8641655

Family Applications (1)

Application Number Title Priority Date Filing Date
FI250968A FI50945C (en) 1967-11-14 1968-09-06 Process for expanding beads of thermoplastic material containing a heat-acting blowing agent.

Country Status (11)

Country Link
BE (1) BE723723A (en)
DE (1) DE1805694A1 (en)
ES (1) ES360271A1 (en)
FI (1) FI50945C (en)
FR (1) FR1552124A (en)
GB (1) GB1228450A (en)
IE (1) IE32389B1 (en)
LU (1) LU57300A1 (en)
NL (1) NL161482C (en)
NO (1) NO131921C (en)
SE (1) SE365455B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889833A (en) * 1986-10-06 1989-12-26 Kuraray Co., Ltd. Granular inorganic moldings and a process for production thereof
ES2089931B1 (en) * 1992-08-10 1997-04-01 Alcaine Eduardo Diaz IMPROVEMENTS INTRODUCED IN A MASS MANUFACTURING PROCEDURE FOR THE MOLDING OF CONSTRUCTION PARTS
DE102019127708A1 (en) * 2019-10-15 2021-04-15 Kurtz Gmbh Method and device for sorting and / or measuring the amount of foam particles
DE102019215878B4 (en) * 2019-10-15 2023-11-30 Adidas Ag Method and device for sorting and/or measuring the amount of foam particles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074854B (en) * 1960-02-04 zugl.* Process for the pretreatment of plastics containing blowing agents
US3386716A (en) * 1965-03-05 1968-06-04 Kohler General Inc Apparatus for prefoaming of expandable synthetic resin such as styrene polymer composition containing a volatile organic liquid
FR93618E (en) * 1965-04-14 1969-04-25 Saint Gobain Process for obtaining expanded polystyrene beads.

Also Published As

Publication number Publication date
NL161482B (en) 1979-09-17
NO131921B (en) 1975-05-20
IE32389B1 (en) 1973-07-11
NO131921C (en) 1975-09-10
IE32389L (en) 1969-05-14
FI50945B (en) 1976-05-31
FR1552124A (en) 1969-01-03
SE365455B (en) 1974-03-25
DE1805694A1 (en) 1969-08-07
GB1228450A (en) 1971-04-15
ES360271A1 (en) 1970-10-01
NL6813408A (en) 1969-05-19
BE723723A (en) 1969-05-12
NL161482C (en) 1980-02-15
LU57300A1 (en) 1969-07-04

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