FR2497814B1 - Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention - Google Patents
Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtentionInfo
- Publication number
- FR2497814B1 FR2497814B1 FR8100916A FR8100916A FR2497814B1 FR 2497814 B1 FR2497814 B1 FR 2497814B1 FR 8100916 A FR8100916 A FR 8100916A FR 8100916 A FR8100916 A FR 8100916A FR 2497814 B1 FR2497814 B1 FR 2497814B1
- Authority
- FR
- France
- Prior art keywords
- plastic materials
- balls obtained
- hollow balls
- expandable plastic
- obtaining same
- 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
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
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
-
- 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
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
-
- 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
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100916A FR2497814B1 (fr) | 1981-01-13 | 1981-01-13 | Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100916A FR2497814B1 (fr) | 1981-01-13 | 1981-01-13 | Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2497814A1 FR2497814A1 (fr) | 1982-07-16 |
FR2497814B1 true FR2497814B1 (fr) | 1986-08-08 |
Family
ID=9254293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8100916A Expired FR2497814B1 (fr) | 1981-01-13 | 1981-01-13 | Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2497814B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19706884A1 (de) * | 1997-02-21 | 1998-08-27 | Huels Chemische Werke Ag | Verfahren zum Nachschäumen von preexpandierten polyolefinischen Partikeln |
DE102004051693A1 (de) * | 2004-10-23 | 2006-04-27 | Ferdinand Leitsch | Vorrichtung zum Aufschäumen und/oder Vorschäumen von Kunststoffgranulat |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3472801A (en) * | 1967-02-10 | 1969-10-14 | Nat Distillers Chem Corp | Method of making particulate polymer foams |
DE1939445A1 (de) * | 1969-08-02 | 1971-09-02 | Ruetgerswerke Ag | Verfahren zur Herstellung strukturdichter und dreidimensional verstaerkter Schaumkoerper |
FR2360408A1 (fr) * | 1976-08-02 | 1978-03-03 | Lezier Gerard | Procede et dispositif pour le premoussage des matieres plastiques expansibles |
FR2394385A1 (fr) * | 1977-06-15 | 1979-01-12 | Foster Grant Co Inc | Procede et dispositif pour la pre-expansion et le moulage de particules d'une matiere thermoplastique expansible |
-
1981
- 1981-01-13 FR FR8100916A patent/FR2497814B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2497814A1 (fr) | 1982-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |