GB1577542A - Manufacture of foamable particles of olefin polymers - Google Patents
Manufacture of foamable particles of olefin polymers Download PDFInfo
- Publication number
- GB1577542A GB1577542A GB2496977A GB2496977A GB1577542A GB 1577542 A GB1577542 A GB 1577542A GB 2496977 A GB2496977 A GB 2496977A GB 2496977 A GB2496977 A GB 2496977A GB 1577542 A GB1577542 A GB 1577542A
- Authority
- GB
- United Kingdom
- Prior art keywords
- particles
- foamable
- foam
- weight
- diameter
- 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
- 239000002245 particle Substances 0.000 title claims description 107
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 229920000098 polyolefin Polymers 0.000 title claims description 19
- 239000006260 foam Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 42
- 239000004604 Blowing Agent Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 18
- 230000005865 ionizing radiation Effects 0.000 claims description 16
- -1 polyethylene Polymers 0.000 claims description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 14
- 238000005187 foaming Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 12
- 238000000354 decomposition reaction Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000002474 experimental method Methods 0.000 claims description 10
- 239000008188 pellet Substances 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 9
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 9
- 239000000499 gel Substances 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000011164 primary particle Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000004132 cross linking Methods 0.000 claims description 7
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 6
- 230000000052 comparative effect Effects 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000012190 activator Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000454 talc Substances 0.000 claims description 4
- 229910052623 talc Inorganic materials 0.000 claims description 4
- 239000011800 void material Substances 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 239000005662 Paraffin oil Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 238000010097 foam moulding Methods 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 230000002028 premature Effects 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 235000014692 zinc oxide Nutrition 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920002367 Polyisobutene Polymers 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 235000012222 talc Nutrition 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- MWRWFPQBGSZWNV-UHFFFAOYSA-N Dinitrosopentamethylenetetramine Chemical compound C1N2CN(N=O)CN1CN(N=O)C2 MWRWFPQBGSZWNV-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 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 (1)
| Publication Number | Publication Date |
|---|---|
| GB1577542A true GB1577542A (en) | 1980-10-22 |
Family
ID=5980686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2496977A Expired GB1577542A (en) | 1976-06-16 | 1977-06-15 | Manufacture of foamable particles of olefin polymers |
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=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0924173A1 (en) * | 1997-12-16 | 1999-06-23 | Polysource Corporation | Polystyrene beads |
Families Citing this family (1)
| 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 |
-
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
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0924173A1 (en) * | 1997-12-16 | 1999-06-23 | Polysource Corporation | Polystyrene beads |
| US6218002B1 (en) | 1997-12-16 | 2001-04-17 | Polysource, Inc. | Concrete mix containing polystyrene beads |
| US6365275B1 (en) | 1997-12-16 | 2002-04-02 | Polysource, Inc. | Polystyrene beads |
Also Published As
| Publication number | Publication date |
|---|---|
| BE855583A (fr) | 1977-12-12 |
| IT1078479B (it) | 1985-05-08 |
| DE2626970A1 (de) | 1977-12-29 |
| FR2354873A1 (fr) | 1978-01-13 |
| FR2354873B3 (https=) | 1980-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |