DE3411319C2 - Verwendung von Citronensäureestern als Treib- und/oder Nucleierungsmittel zur Herstellung thermoplastischer Kunststoffschäume - Google Patents
Verwendung von Citronensäureestern als Treib- und/oder Nucleierungsmittel zur Herstellung thermoplastischer KunststoffschäumeInfo
- Publication number
- DE3411319C2 DE3411319C2 DE3411319A DE3411319A DE3411319C2 DE 3411319 C2 DE3411319 C2 DE 3411319C2 DE 3411319 A DE3411319 A DE 3411319A DE 3411319 A DE3411319 A DE 3411319A DE 3411319 C2 DE3411319 C2 DE 3411319C2
- Authority
- DE
- Germany
- Prior art keywords
- citric acid
- propellant
- citrate
- acid esters
- production
- 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
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical class OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 239000002667 nucleating agent Substances 0.000 title claims abstract description 16
- 239000004604 Blowing Agent Substances 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229920001169 thermoplastic Polymers 0.000 title claims description 6
- 239000002984 plastic foam Substances 0.000 title claims description 4
- 238000007664 blowing Methods 0.000 title abstract description 4
- 150000005690 diesters Chemical class 0.000 claims abstract description 9
- 239000003380 propellant Substances 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 10
- 150000001298 alcohols Chemical class 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- SKHXHUZZFVMERR-UHFFFAOYSA-N 1-Isopropyl citrate Chemical compound CC(C)OC(=O)CC(O)(C(O)=O)CC(O)=O SKHXHUZZFVMERR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000012876 carrier material Substances 0.000 claims 1
- 239000006072 paste Substances 0.000 claims 1
- 239000004449 solid propellant Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 8
- -1 polyethylene terephthalate Polymers 0.000 description 15
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 12
- 239000007789 gas Substances 0.000 description 12
- 150000002148 esters Chemical class 0.000 description 8
- 239000004793 Polystyrene Substances 0.000 description 7
- OMPIYDSYGYKWSG-UHFFFAOYSA-N 2-(2-ethoxy-2-oxoethyl)-2-hydroxybutanedioic acid Chemical compound CCOC(=O)CC(O)(C(O)=O)CC(O)=O OMPIYDSYGYKWSG-UHFFFAOYSA-N 0.000 description 6
- 229920002223 polystyrene Polymers 0.000 description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 6
- 235000017557 sodium bicarbonate Nutrition 0.000 description 6
- 239000006260 foam Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000013065 commercial product Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 230000008642 heat stress Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 229920006327 polystyrene foam Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- YUTUUOJFXIMELV-UHFFFAOYSA-N 2-Hydroxy-2-(2-methoxy-2-oxoethyl)butanedioic acid Chemical compound COC(=O)CC(O)(C(O)=O)CC(O)=O YUTUUOJFXIMELV-UHFFFAOYSA-N 0.000 description 3
- FZIPCQLKPTZZIM-UHFFFAOYSA-N 2-oxidanylpropane-1,2,3-tricarboxylic acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O FZIPCQLKPTZZIM-UHFFFAOYSA-N 0.000 description 3
- XRCRWCVBMHENNE-UHFFFAOYSA-N 4-butoxy-2-(2-butoxy-2-oxoethyl)-2-hydroxy-4-oxobutanoic acid Chemical compound CCCCOC(=O)CC(O)(C(O)=O)CC(=O)OCCCC XRCRWCVBMHENNE-UHFFFAOYSA-N 0.000 description 3
- KGYXYKHTHJPEBX-UHFFFAOYSA-N 5-ethoxy-3-ethoxycarbonyl-3-hydroxy-5-oxopentanoic acid Chemical compound CCOC(=O)CC(O)(CC(O)=O)C(=O)OCC KGYXYKHTHJPEBX-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 239000004616 structural foam Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- BBMCTIGTTCKYKF-UHFFFAOYSA-N 1-heptanol Chemical compound CCCCCCCO BBMCTIGTTCKYKF-UHFFFAOYSA-N 0.000 description 2
- TWUZWTIVCCRAAD-UHFFFAOYSA-N 2-(2-butoxy-2-oxoethyl)-2-hydroxybutanedioic acid Chemical compound CCCCOC(=O)CC(O)(C(O)=O)CC(O)=O TWUZWTIVCCRAAD-UHFFFAOYSA-N 0.000 description 2
- MHUXGBAKULUKLC-UHFFFAOYSA-N 2-hydroxy-4-oxo-2-(2-oxo-2-propan-2-yloxyethyl)-4-propan-2-yloxybutanoic acid Chemical compound CC(C)OC(=O)CC(O)(C(O)=O)CC(=O)OC(C)C MHUXGBAKULUKLC-UHFFFAOYSA-N 0.000 description 2
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- WEKLUCWCJWZVGP-UHFFFAOYSA-N 2-(2-dodecoxy-2-oxoethyl)-2-hydroxybutanedioic acid Chemical compound CCCCCCCCCCCCOC(=O)CC(O)(C(O)=O)CC(O)=O WEKLUCWCJWZVGP-UHFFFAOYSA-N 0.000 description 1
- XIMFTYYMYOBGOG-UHFFFAOYSA-N 2-hydroxy-2-(2-oxo-2-propoxyethyl)butanedioic acid Chemical compound CCCOC(=O)CC(O)(C(O)=O)CC(O)=O XIMFTYYMYOBGOG-UHFFFAOYSA-N 0.000 description 1
- LCBOTKXLSHSWJF-UHFFFAOYSA-N 2-hydroxy-2-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]butanedioic acid Chemical compound CC(C)(C)OC(=O)CC(O)(C(O)=O)CC(O)=O LCBOTKXLSHSWJF-UHFFFAOYSA-N 0.000 description 1
- OMIHCBSQSYMFDP-UHFFFAOYSA-N 3-hydroxy-5-methoxy-3-methoxycarbonyl-5-oxopentanoic acid Chemical compound COC(=O)CC(O)(CC(O)=O)C(=O)OC OMIHCBSQSYMFDP-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229920006218 cellulose propionate Polymers 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- XCIXKGXIYUWCLL-UHFFFAOYSA-N cyclopentanol Chemical compound OC1CCCC1 XCIXKGXIYUWCLL-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical class CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000012496 stress study Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent 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
- C08J9/06—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
-
- 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
- C08J9/08—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 carbon dioxide
-
- 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
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Saccharide Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Medicinal Preparation (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3411319A DE3411319C2 (de) | 1984-03-28 | 1984-03-28 | Verwendung von Citronensäureestern als Treib- und/oder Nucleierungsmittel zur Herstellung thermoplastischer Kunststoffschäume |
| US06/716,295 US4572740A (en) | 1984-03-28 | 1985-03-26 | Citric acid esters as blowing and nucleating agents in the processing plastics |
| AT85103544T ATE48281T1 (de) | 1984-03-28 | 1985-03-26 | Citronensaeureester als treibmittel zur kunststoffverarbeitung. |
| DE8585103544T DE3574479D1 (de) | 1984-03-28 | 1985-03-26 | Citronensaeureester als treibmittel zur kunststoffverarbeitung. |
| EP85103544A EP0158212B1 (de) | 1984-03-28 | 1985-03-26 | Citronensäureester als Treibmittel zur Kunststoffverarbeitung |
| JP6106985A JPS6140333A (ja) | 1984-03-28 | 1985-03-27 | 発泡、核形成剤 |
| CA000477587A CA1251897A (en) | 1984-03-28 | 1985-03-27 | Process for producing foam or cellular plastic |
| KR1019850002019A KR920001043B1 (ko) | 1984-03-28 | 1985-03-27 | 발포 또는 핵생성제 조성물 |
| AU40492/85A AU572981B2 (en) | 1984-03-28 | 1985-03-28 | Foaming process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3411319A DE3411319C2 (de) | 1984-03-28 | 1984-03-28 | Verwendung von Citronensäureestern als Treib- und/oder Nucleierungsmittel zur Herstellung thermoplastischer Kunststoffschäume |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3411319A1 DE3411319A1 (de) | 1985-10-10 |
| DE3411319C2 true DE3411319C2 (de) | 1986-12-04 |
Family
ID=6231790
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3411319A Expired DE3411319C2 (de) | 1984-03-28 | 1984-03-28 | Verwendung von Citronensäureestern als Treib- und/oder Nucleierungsmittel zur Herstellung thermoplastischer Kunststoffschäume |
| DE8585103544T Expired - Lifetime DE3574479D1 (de) | 1984-03-28 | 1985-03-26 | Citronensaeureester als treibmittel zur kunststoffverarbeitung. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8585103544T Expired - Lifetime DE3574479D1 (de) | 1984-03-28 | 1985-03-26 | Citronensaeureester als treibmittel zur kunststoffverarbeitung. |
Country Status (8)
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3524704A1 (de) * | 1985-07-11 | 1987-01-15 | Boehringer Ingelheim Kg | Nucleierungsmittel (porenregler) zur herstellung direktbegaster thermoplastschaeume |
| GB8704773D0 (en) * | 1987-02-28 | 1987-04-01 | Fisons Plc | Compounds |
| US5124098A (en) * | 1990-03-09 | 1992-06-23 | Hoechst Aktiengesellschaft | Process for producing foam fiber |
| DE4106935C2 (de) * | 1991-03-05 | 1995-01-19 | Bayer Ag | Verfahren zum Verschäumen von thermoplastischen Polycarbonaten |
| DE4227370A1 (de) * | 1992-08-19 | 1994-02-24 | Bayer Ag | Recycelbarer Thermoplastschaum mit hoher Glastemperatur II |
| DE4307384A1 (de) * | 1993-03-09 | 1994-09-15 | Bayer Ag | Verfahren zur Herstellung von Formkörpern aus Polyurethanschaumstoffen |
| US5895614A (en) * | 1995-08-22 | 1999-04-20 | Tenneco Protective Packaging Inc. | Method of forming a microcellular foam plank |
| AU1933799A (en) † | 1997-12-19 | 1999-07-12 | Trexel, Inc. | Microcellular foam extrusion/blow molding process and article made thereby |
| DE19928239C2 (de) * | 1999-06-21 | 2001-05-23 | Era Beschichtung Gmbh & Co Kg | PVC-haltiges Material |
| JP4555532B2 (ja) | 1999-12-24 | 2010-10-06 | ハンツマン・インターナショナル・エルエルシー | ガス補助式射出成型 |
| US6395795B1 (en) | 2000-09-29 | 2002-05-28 | Ausimont Usa, Inc. | Titanium dioxide nucleating agent systems for foamable polymer compositions |
| US7166248B2 (en) * | 2003-01-03 | 2007-01-23 | Pactiv Corporation | Reduced VOC emission alkenyl aromatic polymer foams and processes |
| EP1655326B1 (en) * | 2004-11-08 | 2012-03-28 | Sekisui Alveo AG | Crosslinked polymer foam sheet and process therefor |
| US8246873B1 (en) | 2007-11-01 | 2012-08-21 | Propex Operating Company, Llc | Method and system for manufacturing foamed polyolefin tapes at cost effective line speeds |
| ITMI20102368A1 (it) * | 2010-12-22 | 2012-06-23 | Indesit Co Spa | Metodo di preparazione di un articolo termoplastico e articolo preparato con tale metodo |
| EP3201264A1 (en) | 2014-10-01 | 2017-08-09 | Colormatrix Holdings Inc. | Nucleating agent additive compositions for polymeric materials |
| WO2017030835A1 (en) * | 2015-08-19 | 2017-02-23 | Nike Innovate C.V. | Process for preparing thermoplastic elastomer foam and foamed article |
| EP3208298A1 (en) * | 2016-02-22 | 2017-08-23 | Clariant Plastics & Coatings Ltd | Liquid carrier system for chemical foaming agents in foamed polystyrenes |
| CN109641375A (zh) * | 2016-08-25 | 2019-04-16 | 巴斯夫欧洲公司 | 微波发泡 |
| DE102018114984A1 (de) | 2018-06-21 | 2019-12-24 | Ejot Gmbh & Co. Kg | Schraube zur Verschraubung in Kunststoff |
| EP3950804A4 (en) * | 2020-01-15 | 2023-02-01 | Lg Chem, Ltd. | CITRATE-BASED PLASTICIZING COMPOSITION AND RESIN COMPOSITION THEREOF |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB944611A (en) * | 1959-07-30 | 1963-12-18 | Monsanto Chemicals | Moulding compositions |
| US3444283A (en) * | 1965-11-08 | 1969-05-13 | Mobil Oil Corp | Method for direct injection extrusion of polystyrene foam |
| DE1694932B2 (de) * | 1967-02-27 | 1971-05-27 | Verfahren zur herstellung von zellkoerpern aus polystyrol | |
| US3657166A (en) * | 1969-10-08 | 1972-04-18 | Phillips Petroleum Co | Production of foamed thermoplastic with carbonized cellular structure |
| JPS5241293B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-07-24 | 1977-10-18 | ||
| US4330635A (en) * | 1980-04-04 | 1982-05-18 | Monsanto Company | Foamable polymeric composition |
| DE3030053A1 (de) * | 1980-08-08 | 1982-03-25 | Basf Ag, 6700 Ludwigshafen | Teilchenfoermige, treibmittelhaltige styrolpolymerisate und deren verwendung |
| FR2500463A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1981-02-24 | 1982-08-27 | Solvay | |
| US4391938A (en) * | 1982-02-16 | 1983-07-05 | Rohm And Haas Company | Polyethylene terephthalate compositions having improved crystallization rate and surface appearance |
-
1984
- 1984-03-28 DE DE3411319A patent/DE3411319C2/de not_active Expired
-
1985
- 1985-03-26 DE DE8585103544T patent/DE3574479D1/de not_active Expired - Lifetime
- 1985-03-26 EP EP85103544A patent/EP0158212B1/de not_active Expired
- 1985-03-26 US US06/716,295 patent/US4572740A/en not_active Expired - Lifetime
- 1985-03-26 AT AT85103544T patent/ATE48281T1/de not_active IP Right Cessation
- 1985-03-27 CA CA000477587A patent/CA1251897A/en not_active Expired
- 1985-03-27 KR KR1019850002019A patent/KR920001043B1/ko not_active Expired
- 1985-03-27 JP JP6106985A patent/JPS6140333A/ja active Granted
- 1985-03-28 AU AU40492/85A patent/AU572981B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ATE48281T1 (de) | 1989-12-15 |
| DE3411319A1 (de) | 1985-10-10 |
| JPS6140333A (ja) | 1986-02-26 |
| AU4049285A (en) | 1985-10-03 |
| KR850007076A (ko) | 1985-10-30 |
| DE3574479D1 (de) | 1990-01-04 |
| AU572981B2 (en) | 1988-05-19 |
| EP0158212A2 (de) | 1985-10-16 |
| KR920001043B1 (ko) | 1992-02-01 |
| JPH0482012B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-12-25 |
| US4572740A (en) | 1986-02-25 |
| EP0158212B1 (de) | 1989-11-29 |
| EP0158212A3 (en) | 1986-02-05 |
| CA1251897A (en) | 1989-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |