GB1566056A - Process for the cross-linking eextrusion and foaming of branched polyolefins - Google Patents
Process for the cross-linking eextrusion and foaming of branched polyolefins Download PDFInfo
- Publication number
- GB1566056A GB1566056A GB7033/77A GB703377A GB1566056A GB 1566056 A GB1566056 A GB 1566056A GB 7033/77 A GB7033/77 A GB 7033/77A GB 703377 A GB703377 A GB 703377A GB 1566056 A GB1566056 A GB 1566056A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyolefin
- peroxide
- mixture
- process according
- extruder
- 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
- 229920000098 polyolefin Polymers 0.000 title claims description 44
- 238000000034 method Methods 0.000 title claims description 27
- 238000004132 cross linking Methods 0.000 title claims description 11
- 238000005187 foaming Methods 0.000 title claims description 7
- 239000000203 mixture Substances 0.000 claims description 44
- 239000006260 foam Substances 0.000 claims description 31
- 150000002978 peroxides Chemical class 0.000 claims description 29
- 238000001125 extrusion Methods 0.000 claims description 14
- 239000004604 Blowing Agent Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 10
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- 239000001273 butane Substances 0.000 claims description 5
- 150000008282 halocarbons Chemical class 0.000 claims description 5
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 239000002666 chemical blowing agent Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 3
- 235000019792 magnesium silicate Nutrition 0.000 claims description 3
- 239000000391 magnesium silicate Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 claims description 2
- 235000019404 dichlorodifluoromethane Nutrition 0.000 claims description 2
- 229920001748 polybutylene Polymers 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 9
- 239000004743 Polypropylene Substances 0.000 description 7
- -1 polyethylene Polymers 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- 150000001451 organic peroxides Chemical class 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- 229920002367 Polyisobutene Polymers 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000009172 bursting Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001083 polybutene Polymers 0.000 description 2
- 229920000306 polymethylpentene Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- WWUVJRULCWHUSA-UHFFFAOYSA-N 2-methyl-1-pentene Chemical compound CCCC(C)=C WWUVJRULCWHUSA-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000012933 diacyl peroxide Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
-
- 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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7605441A FR2342148A1 (fr) | 1976-02-26 | 1976-02-26 | Procede conjoint de reticulation, d'expansion et d'extrusion d'une polyolefine ramifiee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1566056A true GB1566056A (en) | 1980-04-30 |
Family
ID=9169651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7033/77A Expired GB1566056A (en) | 1976-02-26 | 1977-02-18 | Process for the cross-linking eextrusion and foaming of branched polyolefins |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE851850A (enrdf_load_stackoverflow) |
| DE (1) | DE2707874A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2342148A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1566056A (enrdf_load_stackoverflow) |
| IT (1) | IT1071581B (enrdf_load_stackoverflow) |
| NL (1) | NL7702105A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000000520A1 (en) * | 1998-06-19 | 2000-01-06 | Borealis A/S | Foamed polypropylene |
-
1976
- 1976-02-26 FR FR7605441A patent/FR2342148A1/fr active Granted
-
1977
- 1977-02-18 GB GB7033/77A patent/GB1566056A/en not_active Expired
- 1977-02-24 IT IT67407/77A patent/IT1071581B/it active
- 1977-02-24 DE DE19772707874 patent/DE2707874A1/de not_active Ceased
- 1977-02-25 NL NL7702105A patent/NL7702105A/xx not_active Application Discontinuation
- 1977-02-25 BE BE175280A patent/BE851850A/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000000520A1 (en) * | 1998-06-19 | 2000-01-06 | Borealis A/S | Foamed polypropylene |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2342148B1 (enrdf_load_stackoverflow) | 1979-07-20 |
| NL7702105A (nl) | 1977-08-30 |
| BE851850A (fr) | 1977-08-25 |
| DE2707874A1 (de) | 1977-09-01 |
| FR2342148A1 (fr) | 1977-09-23 |
| IT1071581B (it) | 1985-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |