DE1923416B2 - Verfahren zum herstellen von formkoerpern mit geschlossener porenfreier oberflaeche aus einem treibmittelhaltigen homogen plastifizierten thermoplastischen kunststoff - Google Patents
Verfahren zum herstellen von formkoerpern mit geschlossener porenfreier oberflaeche aus einem treibmittelhaltigen homogen plastifizierten thermoplastischen kunststoffInfo
- Publication number
- DE1923416B2 DE1923416B2 DE19691923416 DE1923416A DE1923416B2 DE 1923416 B2 DE1923416 B2 DE 1923416B2 DE 19691923416 DE19691923416 DE 19691923416 DE 1923416 A DE1923416 A DE 1923416A DE 1923416 B2 DE1923416 B2 DE 1923416B2
- Authority
- DE
- Germany
- Prior art keywords
- plastic
- moldings
- mold
- injection molding
- propellant
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229920001169 thermoplastic Polymers 0.000 title claims description 6
- 239000002274 desiccant Substances 0.000 title 1
- 239000003380 propellant Substances 0.000 claims description 21
- 239000004033 plastic Substances 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 17
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 claims description 14
- 239000004604 Blowing Agent Substances 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 11
- 239000000155 melt Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000149 argon plasma sintering Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000012815 thermoplastic material Substances 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 239000005338 frosted glass Substances 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 150000001408 amides Chemical class 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 150000003440 styrenes Chemical class 0.000 claims description 2
- 238000010137 moulding (plastic) Methods 0.000 claims 6
- 239000006260 foam Substances 0.000 claims 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims 2
- 239000000654 additive Substances 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 claims 1
- 210000003850 cellular structure Anatomy 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 238000005187 foaming Methods 0.000 claims 1
- 239000012778 molding material Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 235000012773 waffles Nutrition 0.000 claims 1
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000004793 Polystyrene Substances 0.000 description 9
- 229920002223 polystyrene Polymers 0.000 description 9
- 239000008187 granular material Substances 0.000 description 6
- 239000004156 Azodicarbonamide Substances 0.000 description 5
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 5
- 235000019399 azodicarbonamide Nutrition 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 229920001893 acrylonitrile styrene Polymers 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- CQSQUYVFNGIECQ-UHFFFAOYSA-N 1-n,4-n-dimethyl-1-n,4-n-dinitrosobenzene-1,4-dicarboxamide Chemical compound O=NN(C)C(=O)C1=CC=C(C(=O)N(C)N=O)C=C1 CQSQUYVFNGIECQ-UHFFFAOYSA-N 0.000 description 1
- SBYMUDUGTIKLCR-UHFFFAOYSA-N 2-chloroethenylbenzene Chemical compound ClC=CC1=CC=CC=C1 SBYMUDUGTIKLCR-UHFFFAOYSA-N 0.000 description 1
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- VJRITMATACIYAF-UHFFFAOYSA-N benzenesulfonohydrazide Chemical compound NNS(=O)(=O)C1=CC=CC=C1 VJRITMATACIYAF-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- VBWIZSYFQSOUFQ-UHFFFAOYSA-N cyclohexanecarbonitrile Chemical compound N#CC1CCCCC1 VBWIZSYFQSOUFQ-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 description 1
- YGNGABUJMXJPIJ-UHFFFAOYSA-N thiatriazole Chemical class C1=NN=NS1 YGNGABUJMXJPIJ-UHFFFAOYSA-N 0.000 description 1
- -1 Λ-methylstyrene Chemical class 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
- B29C44/02—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
- B29C44/0407—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 by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
-
- 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
- C08J9/06—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 chemical blowing agent
- C08J9/10—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 chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
Landscapes
- Chemical & Material Sciences (AREA)
- General 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)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691923416 DE1923416B2 (de) | 1969-05-08 | 1969-05-08 | Verfahren zum herstellen von formkoerpern mit geschlossener porenfreier oberflaeche aus einem treibmittelhaltigen homogen plastifizierten thermoplastischen kunststoff |
| FR7014405A FR2056164A5 (https=) | 1969-05-08 | 1970-04-21 | |
| GB2205070A GB1305646A (https=) | 1969-05-08 | 1970-05-07 | |
| BE750181D BE750181A (fr) | 1969-05-08 | 1970-05-08 | Procede de fabrication d'objets moules a haut pouvoir de diffusion et/ou de refraction de la lumiere, a partir de resines thermoplastiques contenant des porophores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691923416 DE1923416B2 (de) | 1969-05-08 | 1969-05-08 | Verfahren zum herstellen von formkoerpern mit geschlossener porenfreier oberflaeche aus einem treibmittelhaltigen homogen plastifizierten thermoplastischen kunststoff |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1923416A1 DE1923416A1 (de) | 1970-11-19 |
| DE1923416B2 true DE1923416B2 (de) | 1972-10-05 |
Family
ID=5733573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691923416 Pending DE1923416B2 (de) | 1969-05-08 | 1969-05-08 | Verfahren zum herstellen von formkoerpern mit geschlossener porenfreier oberflaeche aus einem treibmittelhaltigen homogen plastifizierten thermoplastischen kunststoff |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE750181A (https=) |
| DE (1) | DE1923416B2 (https=) |
| FR (1) | FR2056164A5 (https=) |
| GB (1) | GB1305646A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016119329A1 (de) | 2016-10-11 | 2018-04-12 | Frank Walsdorff | PMMA-Werkstoff und Beleuchtungsvorrichtung damit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01118417A (ja) * | 1987-10-31 | 1989-05-10 | Ikeda Bussan Co Ltd | 表皮材一体発泡体の発泡成形方法 |
-
1969
- 1969-05-08 DE DE19691923416 patent/DE1923416B2/de active Pending
-
1970
- 1970-04-21 FR FR7014405A patent/FR2056164A5/fr not_active Expired
- 1970-05-07 GB GB2205070A patent/GB1305646A/en not_active Expired
- 1970-05-08 BE BE750181D patent/BE750181A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016119329A1 (de) | 2016-10-11 | 2018-04-12 | Frank Walsdorff | PMMA-Werkstoff und Beleuchtungsvorrichtung damit |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1923416A1 (de) | 1970-11-19 |
| BE750181A (fr) | 1970-10-16 |
| FR2056164A5 (https=) | 1971-05-14 |
| GB1305646A (https=) | 1973-02-07 |
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