FR2354873A1 - Procede pour preparer des particules gonflables a partir de polymeres d'olefines - Google Patents
Procede pour preparer des particules gonflables a partir de polymeres d'olefinesInfo
- Publication number
- FR2354873A1 FR2354873A1 FR7717660A FR7717660A FR2354873A1 FR 2354873 A1 FR2354873 A1 FR 2354873A1 FR 7717660 A FR7717660 A FR 7717660A FR 7717660 A FR7717660 A FR 7717660A FR 2354873 A1 FR2354873 A1 FR 2354873A1
- Authority
- FR
- France
- Prior art keywords
- particles
- olefin polymers
- bungs
- endless
- exposed
- 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.)
- Granted
Links
- 239000002245 particle Substances 0.000 title abstract 5
- 229920000098 polyolefin Polymers 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 230000005865 ionizing radiation Effects 0.000 abstract 2
- 239000004604 Blowing Agent Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
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
- B29C44/46—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
-
- 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
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762626970 DE2626970A1 (de) | 1976-06-16 | 1976-06-16 | Herstellung von schaeumfaehigen teilchen aus olefinpolymerisaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2354873A1 true FR2354873A1 (fr) | 1978-01-13 |
| FR2354873B3 FR2354873B3 (https=) | 1980-03-07 |
Family
ID=5980686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7717660A Granted FR2354873A1 (fr) | 1976-06-16 | 1977-06-09 | Procede pour preparer des particules gonflables a partir de polymeres d'olefines |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE855583A (https=) |
| DE (1) | DE2626970A1 (https=) |
| FR (1) | FR2354873A1 (https=) |
| GB (1) | GB1577542A (https=) |
| IT (1) | IT1078479B (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547398A1 (de) | 1995-12-19 | 1997-06-26 | Huels Chemische Werke Ag | Verfahren zur Herstellung schäumbarer Kunststoff-Granulate |
| US6218002B1 (en) * | 1997-12-16 | 2001-04-17 | Polysource, Inc. | Concrete mix containing polystyrene beads |
-
1976
- 1976-06-16 DE DE19762626970 patent/DE2626970A1/de not_active Withdrawn
-
1977
- 1977-06-09 FR FR7717660A patent/FR2354873A1/fr active Granted
- 1977-06-09 IT IT4977377A patent/IT1078479B/it active
- 1977-06-10 BE BE178356A patent/BE855583A/xx unknown
- 1977-06-15 GB GB2496977A patent/GB1577542A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1577542A (en) | 1980-10-22 |
| BE855583A (fr) | 1977-12-12 |
| IT1078479B (it) | 1985-05-08 |
| DE2626970A1 (de) | 1977-12-29 |
| FR2354873B3 (https=) | 1980-03-07 |
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