DE3049201C2 - - Google Patents
Info
- Publication number
- DE3049201C2 DE3049201C2 DE3049201A DE3049201A DE3049201C2 DE 3049201 C2 DE3049201 C2 DE 3049201C2 DE 3049201 A DE3049201 A DE 3049201A DE 3049201 A DE3049201 A DE 3049201A DE 3049201 C2 DE3049201 C2 DE 3049201C2
- Authority
- DE
- Germany
- Prior art keywords
- beads
- mold
- foam
- volume
- expanded
- 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 - Fee Related
Links
- 239000011324 bead Substances 0.000 claims description 92
- 239000006260 foam Substances 0.000 claims description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 229920000098 polyolefin Polymers 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 20
- 239000011800 void material Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- 229920005672 polyolefin resin Polymers 0.000 claims description 9
- 230000003834 intracellular effect Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 3
- 238000005187 foaming Methods 0.000 description 17
- -1 polyethylene Polymers 0.000 description 11
- 239000004698 Polyethylene Substances 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 239000004604 Blowing Agent Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000002666 chemical blowing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 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
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
- C08J9/232—Forming foamed products by sintering expandable particles
-
- 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
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0068—Permeability to liquids; Adsorption
- B29K2995/0069—Permeability to liquids; Adsorption non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/706—Buoys
-
- 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)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17160479A JPS5698147A (en) | 1979-12-30 | 1979-12-30 | Foamed polyolefin molding by water-impermeable bead method and preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3049201A1 DE3049201A1 (de) | 1981-09-17 |
| DE3049201C2 true DE3049201C2 (enrdf_load_stackoverflow) | 1992-09-03 |
Family
ID=15926237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803049201 Granted DE3049201A1 (de) | 1979-12-30 | 1980-12-27 | Wasserundurchdringlicher polyolefinschaum und verfahren zu dessen herstellung |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5698147A (enrdf_load_stackoverflow) |
| BE (1) | BE886886A (enrdf_load_stackoverflow) |
| DE (1) | DE3049201A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2477467B1 (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5770621A (en) * | 1980-10-20 | 1982-05-01 | Asahi Chem Ind Co Ltd | Foamed polyethylene molded object and manufacture tereof |
| JPS56151736A (en) * | 1980-04-26 | 1981-11-24 | Asahi Chem Ind Co Ltd | Molded foamed article of crosslinked polyethylene resin |
| JPS60166442A (ja) * | 1984-02-10 | 1985-08-29 | Kanegafuchi Chem Ind Co Ltd | ポリオレフイン発泡成形体の養生法 |
| JPS6215928U (enrdf_load_stackoverflow) * | 1985-07-16 | 1987-01-30 | ||
| JPH0214225A (ja) * | 1989-05-22 | 1990-01-18 | Asahi Chem Ind Co Ltd | プロピレン系樹脂発泡成形体の製造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1629281B1 (de) * | 1966-04-28 | 1972-03-23 | Basf Ag | Verfahren zur Herstellung von schaumfoermigen Formkoerpern aus Olefinpolymerisaten |
| SE359557B (enrdf_load_stackoverflow) * | 1968-02-21 | 1973-09-03 | Basf Ag | |
| DE1778516A1 (de) * | 1968-05-08 | 1971-08-05 | Basf Ag | Verfahren zur Herstellung von Formkoerpern aus schaumfoermigen Olefinpolymerisaten |
| DE1923906A1 (de) * | 1968-05-20 | 1969-11-27 | Dart Ind Inc | Kunststoffbecher und Verfahren zu seiner Herstellung |
| DE1769862A1 (de) * | 1968-07-27 | 1971-09-16 | Basf Ag | Verfahren zur Herstellung von Formkoerpern aus verschaeumbaren AEthylenpolymerisaten |
| US3992501A (en) * | 1973-06-20 | 1976-11-16 | Basf Aktiengesellschaft | Process for the manufacture of void-free polyolefin foam moldings |
| JPS51132278A (en) * | 1975-05-14 | 1976-11-17 | Badische Yuka Co Ltd | Method of producing styrene resin foaming formed article |
-
1979
- 1979-12-30 JP JP17160479A patent/JPS5698147A/ja active Pending
-
1980
- 1980-12-27 DE DE19803049201 patent/DE3049201A1/de active Granted
- 1980-12-29 BE BE0/203339A patent/BE886886A/fr not_active IP Right Cessation
- 1980-12-29 FR FR8027700A patent/FR2477467B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2477467B1 (fr) | 1985-10-25 |
| FR2477467A1 (fr) | 1981-09-11 |
| DE3049201A1 (de) | 1981-09-17 |
| BE886886A (fr) | 1981-06-29 |
| JPS5698147A (en) | 1981-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: TUERK, D., DIPL.-CHEM. DR.RER.NAT. GILLE, C., DIPL |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8339 | Ceased/non-payment of the annual fee |