JPS6230218B2 - - Google Patents
Info
- Publication number
- JPS6230218B2 JPS6230218B2 JP55181838A JP18183880A JPS6230218B2 JP S6230218 B2 JPS6230218 B2 JP S6230218B2 JP 55181838 A JP55181838 A JP 55181838A JP 18183880 A JP18183880 A JP 18183880A JP S6230218 B2 JPS6230218 B2 JP S6230218B2
- Authority
- JP
- Japan
- Prior art keywords
- polystyrene resin
- foam
- polystyrene
- molecular weight
- blowing agent
- 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
- 229920005990 polystyrene resin Polymers 0.000 claims description 47
- 239000006260 foam Substances 0.000 claims description 41
- 239000004604 Blowing Agent Substances 0.000 claims description 28
- 239000002904 solvent Substances 0.000 claims description 26
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 17
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000004338 Dichlorodifluoromethane Substances 0.000 claims description 9
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 claims description 9
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 claims description 9
- 235000019404 dichlorodifluoromethane Nutrition 0.000 claims description 9
- 229960003750 ethyl chloride Drugs 0.000 claims description 9
- 238000005227 gel permeation chromatography Methods 0.000 claims description 8
- 229940050176 methyl chloride Drugs 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000004088 foaming agent Substances 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229940042935 dichlorodifluoromethane Drugs 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 description 20
- 239000004793 Polystyrene Substances 0.000 description 14
- 229920002223 polystyrene Polymers 0.000 description 14
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- HWPKGOGLCKPRLZ-UHFFFAOYSA-M monosodium citrate Chemical compound [Na+].OC(=O)CC(O)(C([O-])=O)CC(O)=O HWPKGOGLCKPRLZ-UHFFFAOYSA-M 0.000 description 2
- 235000018342 monosodium citrate Nutrition 0.000 description 2
- 239000002524 monosodium citrate Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical compound CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- -1 talc and clay Chemical class 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229920005669 high impact polystyrene Polymers 0.000 description 1
- 239000004797 high-impact polystyrene Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18183880A JPS57105429A (en) | 1980-12-24 | 1980-12-24 | Preparation of thick board of foamed polystyrene resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18183880A JPS57105429A (en) | 1980-12-24 | 1980-12-24 | Preparation of thick board of foamed polystyrene resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57105429A JPS57105429A (en) | 1982-06-30 |
| JPS6230218B2 true JPS6230218B2 (hu) | 1987-07-01 |
Family
ID=16107691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18183880A Granted JPS57105429A (en) | 1980-12-24 | 1980-12-24 | Preparation of thick board of foamed polystyrene resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57105429A (hu) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62125210U (hu) * | 1986-01-31 | 1987-08-08 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4681715A (en) * | 1984-11-16 | 1987-07-21 | The Dow Chemical Company | Steam expandable polymeric composition and method |
| JPS6289743A (ja) * | 1985-06-20 | 1987-04-24 | Eiwa Kasei Kogyo Kk | スチレン系樹脂発泡体の製造方法 |
| DE3524704A1 (de) * | 1985-07-11 | 1987-01-15 | Boehringer Ingelheim Kg | Nucleierungsmittel (porenregler) zur herstellung direktbegaster thermoplastschaeume |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55118932A (en) * | 1979-03-09 | 1980-09-12 | Japan Styrene Paper Co Ltd | Manufacture of foamed polystyrene resin board |
-
1980
- 1980-12-24 JP JP18183880A patent/JPS57105429A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55118932A (en) * | 1979-03-09 | 1980-09-12 | Japan Styrene Paper Co Ltd | Manufacture of foamed polystyrene resin board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62125210U (hu) * | 1986-01-31 | 1987-08-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57105429A (en) | 1982-06-30 |
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