DK137979C - Fremgangsmaade til fremstilling af skumplastformlegemer med lav rumvaegt ud fra ekspanderbare partikler af styrenpolymerisater - Google Patents

Fremgangsmaade til fremstilling af skumplastformlegemer med lav rumvaegt ud fra ekspanderbare partikler af styrenpolymerisater

Info

Publication number
DK137979C
DK137979C DK149076A DK149076A DK137979C DK 137979 C DK137979 C DK 137979C DK 149076 A DK149076 A DK 149076A DK 149076 A DK149076 A DK 149076A DK 137979 C DK137979 C DK 137979C
Authority
DK
Denmark
Prior art keywords
procedure
manufacture
low volume
foam plastic
expandable particles
Prior art date
Application number
DK149076A
Other languages
Danish (da)
English (en)
Other versions
DK137979B (da
DK149076A (da
Inventor
W Moellenbruck
W Bollmann
Original Assignee
Huels Chemische Werke 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 DE19752530787 external-priority patent/DE2530787C3/de
Application filed by Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag
Publication of DK149076A publication Critical patent/DK149076A/da
Publication of DK137979B publication Critical patent/DK137979B/da
Application granted granted Critical
Publication of DK137979C publication Critical patent/DK137979C/da

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
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
DK149076A 1975-07-10 1976-03-31 Fremgangsmaade til fremstilling af skumplastformlegemer med lav rumvaegt ud fra ekspanderbare partikler af styrenpolymerisater DK137979C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752530787 DE2530787C3 (de) 1975-07-10 Verfahren zur Herstellung von Schaumkunststoff-Formkörpern niedriger Dichte

Publications (3)

Publication Number Publication Date
DK149076A DK149076A (da) 1977-01-11
DK137979B DK137979B (da) 1978-06-19
DK137979C true DK137979C (da) 1978-11-06

Family

ID=5951140

Family Applications (1)

Application Number Title Priority Date Filing Date
DK149076A DK137979C (da) 1975-07-10 1976-03-31 Fremgangsmaade til fremstilling af skumplastformlegemer med lav rumvaegt ud fra ekspanderbare partikler af styrenpolymerisater

Country Status (7)

Country Link
AT (1) AT355315B (de)
BE (1) BE844009A (de)
DK (1) DK137979C (de)
FI (1) FI761955A7 (de)
FR (1) FR2317081A1 (de)
NL (1) NL7607635A (de)
SE (1) SE7607680L (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1450137A (fr) * 1964-10-21 1966-05-06 Basf Ag Procédé de fabrication de corps moulés à partir de polymères mousses de styrène
CH424222A (de) * 1965-08-24 1966-11-15 Gosta Trading Ltd Verfahren zur Herstellung flexibler, elastischer Formlinge aus schäumbarem Kunststoff, und Vorrichtung zur Durchführung des Verfahrens
DE1704465A1 (de) * 1967-02-23 1971-05-19 Basf Ag Verfahren zur Herstellung von Schaumstoff-Formkoerpern aus AEthylen- oder Propylenpolymerisaten
US3855377A (en) * 1972-10-24 1974-12-17 Arco Polymers Inc Method for improving internal foam fusion of molded styrene polymer foam billets

Also Published As

Publication number Publication date
FR2317081A1 (fr) 1977-02-04
SE7607680L (sv) 1977-01-11
DK137979B (da) 1978-06-19
DE2530787B2 (de) 1977-04-28
BE844009A (fr) 1977-01-10
NL7607635A (nl) 1977-01-12
DE2530787A1 (de) 1977-01-13
AT355315B (de) 1980-02-25
ATA505876A (de) 1979-07-15
FI761955A7 (de) 1977-01-11
DK149076A (da) 1977-01-11

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Legal Events

Date Code Title Description
PBP Patent lapsed