JPS60221440A - プロピレン系樹脂発泡体粒子の製造方法 - Google Patents
プロピレン系樹脂発泡体粒子の製造方法Info
- Publication number
- JPS60221440A JPS60221440A JP59079223A JP7922384A JPS60221440A JP S60221440 A JPS60221440 A JP S60221440A JP 59079223 A JP59079223 A JP 59079223A JP 7922384 A JP7922384 A JP 7922384A JP S60221440 A JPS60221440 A JP S60221440A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- temperature
- water
- propylene
- foam particles
- 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.)
- Granted
Links
- 239000002245 particle Substances 0.000 title claims abstract description 124
- 229920005989 resin Polymers 0.000 title claims description 57
- 239000011347 resin Substances 0.000 title claims description 57
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 title claims description 41
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 title claims description 37
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000006185 dispersion Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000002844 melting Methods 0.000 claims abstract description 21
- 230000008018 melting Effects 0.000 claims abstract description 21
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000005977 Ethylene Substances 0.000 claims abstract description 19
- 229920005604 random copolymer Polymers 0.000 claims abstract description 15
- 229910001872 inorganic gas Inorganic materials 0.000 claims abstract description 10
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 6
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims abstract description 5
- 239000001506 calcium phosphate Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000006260 foam Substances 0.000 claims description 69
- 239000007788 liquid Substances 0.000 claims description 12
- 239000002612 dispersion medium Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229920006026 co-polymeric resin Polymers 0.000 claims description 8
- 235000019731 tricalcium phosphate Nutrition 0.000 claims description 4
- 229910000391 tricalcium phosphate Inorganic materials 0.000 claims description 3
- 229940078499 tricalcium phosphate Drugs 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- -1 propylene-ethylene Chemical group 0.000 abstract description 23
- 239000003795 chemical substances by application Substances 0.000 abstract description 11
- 239000011256 inorganic filler Substances 0.000 abstract description 6
- 229910003475 inorganic filler Inorganic materials 0.000 abstract description 6
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 abstract description 5
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 abstract description 5
- 230000008961 swelling Effects 0.000 abstract description 5
- 229910000389 calcium phosphate Inorganic materials 0.000 abstract 1
- 235000011010 calcium phosphates Nutrition 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000000047 product Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 12
- 229920001577 copolymer Polymers 0.000 description 10
- 239000004743 Polypropylene Substances 0.000 description 9
- 230000004927 fusion Effects 0.000 description 9
- 229920001155 polypropylene Polymers 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 6
- 238000005187 foaming Methods 0.000 description 6
- 229920005672 polyolefin resin Polymers 0.000 description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000000375 suspending agent Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-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
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004455 differential thermal analysis Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013518 molded foam Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 1
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- 229920003182 Surlyn® Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 229920006127 amorphous resin Polymers 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 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
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 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
- C08J9/16—Making expandable particles
- C08J9/18—Making expandable particles by impregnating polymer particles with the 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
-
- 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
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59079223A JPS60221440A (ja) | 1984-04-19 | 1984-04-19 | プロピレン系樹脂発泡体粒子の製造方法 |
DE3536715A DE3536715C2 (de) | 1984-04-19 | 1985-10-15 | Verfahren zur Herstellung von geschäumten Propylenrandomcopolymer-Harzteilchen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59079223A JPS60221440A (ja) | 1984-04-19 | 1984-04-19 | プロピレン系樹脂発泡体粒子の製造方法 |
DE3536715A DE3536715C2 (de) | 1984-04-19 | 1985-10-15 | Verfahren zur Herstellung von geschäumten Propylenrandomcopolymer-Harzteilchen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60221440A true JPS60221440A (ja) | 1985-11-06 |
JPH0525892B2 JPH0525892B2 (enrdf_load_stackoverflow) | 1993-04-14 |
Family
ID=37872207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59079223A Granted JPS60221440A (ja) | 1984-04-19 | 1984-04-19 | プロピレン系樹脂発泡体粒子の製造方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS60221440A (enrdf_load_stackoverflow) |
DE (1) | DE3536715C2 (enrdf_load_stackoverflow) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60229936A (ja) * | 1984-04-28 | 1985-11-15 | Japan Styrene Paper Co Ltd | 重合体発泡粒子の製造方法 |
JPS60245650A (ja) * | 1984-05-21 | 1985-12-05 | Japan Styrene Paper Co Ltd | 無架橋ポリプロピレン系樹脂発泡粒子の製造方法 |
JPS614738A (ja) * | 1984-06-19 | 1986-01-10 | Japan Styrene Paper Co Ltd | ポリプロピレン系樹脂発泡粒子の製造方法 |
JPH07173321A (ja) * | 1994-10-24 | 1995-07-11 | Jsp Corp | ポリプロピレン系樹脂発泡粒子の製造方法 |
US6596782B1 (en) | 1996-04-05 | 2003-07-22 | Kaneka Corporation | Hydrous polyolefin resin composition, preexpanded particles produced therefrom, process for producing the same, and expanded molding |
US6607682B1 (en) | 1998-07-30 | 2003-08-19 | Kaneka Corporation | Pre-expanded polypropylene resin beads and process for producing molded object therefrom by in-mold foaming |
US6770682B2 (en) | 1999-12-28 | 2004-08-03 | Kaneka Corporation | Expandable styrene resin beads and foams produced therefrom |
JP2009209334A (ja) * | 2008-03-06 | 2009-09-17 | Kaneka Corp | ポリプロピレン系樹脂発泡粒子の製造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19614021B4 (de) * | 1996-04-09 | 2005-08-18 | Magna Exterior Systems Gmbh | Verfahren zur Herstellung eines Kunststoff-Formteiles und Formteil, hergestellt nach diesem Verfahren, sowie Treibmittelbatch zur Herstellung des Formteiles |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58168626A (ja) * | 1982-03-30 | 1983-10-05 | Japan Styrene Paper Co Ltd | 球状ポリプロピレン系樹脂粒子の製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE359557B (enrdf_load_stackoverflow) * | 1968-02-21 | 1973-09-03 | Basf Ag | |
DE1923906A1 (de) * | 1968-05-20 | 1969-11-27 | Dart Ind Inc | Kunststoffbecher und Verfahren zu seiner Herstellung |
-
1984
- 1984-04-19 JP JP59079223A patent/JPS60221440A/ja active Granted
-
1985
- 1985-10-15 DE DE3536715A patent/DE3536715C2/de not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58168626A (ja) * | 1982-03-30 | 1983-10-05 | Japan Styrene Paper Co Ltd | 球状ポリプロピレン系樹脂粒子の製造方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60229936A (ja) * | 1984-04-28 | 1985-11-15 | Japan Styrene Paper Co Ltd | 重合体発泡粒子の製造方法 |
JPS60245650A (ja) * | 1984-05-21 | 1985-12-05 | Japan Styrene Paper Co Ltd | 無架橋ポリプロピレン系樹脂発泡粒子の製造方法 |
JPS614738A (ja) * | 1984-06-19 | 1986-01-10 | Japan Styrene Paper Co Ltd | ポリプロピレン系樹脂発泡粒子の製造方法 |
JPH07173321A (ja) * | 1994-10-24 | 1995-07-11 | Jsp Corp | ポリプロピレン系樹脂発泡粒子の製造方法 |
US6596782B1 (en) | 1996-04-05 | 2003-07-22 | Kaneka Corporation | Hydrous polyolefin resin composition, preexpanded particles produced therefrom, process for producing the same, and expanded molding |
US6607682B1 (en) | 1998-07-30 | 2003-08-19 | Kaneka Corporation | Pre-expanded polypropylene resin beads and process for producing molded object therefrom by in-mold foaming |
US6770682B2 (en) | 1999-12-28 | 2004-08-03 | Kaneka Corporation | Expandable styrene resin beads and foams produced therefrom |
JP2009209334A (ja) * | 2008-03-06 | 2009-09-17 | Kaneka Corp | ポリプロピレン系樹脂発泡粒子の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE3536715C2 (de) | 1994-09-29 |
JPH0525892B2 (enrdf_load_stackoverflow) | 1993-04-14 |
DE3536715A1 (de) | 1987-04-23 |
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