KR101092603B1 - 톨루엔디이소시아네이트 증류 부산물을 이용한 폴리이소시아네이트 및 경질 폴리우레탄 발포체의 제조방법 - Google Patents
톨루엔디이소시아네이트 증류 부산물을 이용한 폴리이소시아네이트 및 경질 폴리우레탄 발포체의 제조방법 Download PDFInfo
- Publication number
- KR101092603B1 KR101092603B1 KR1020090020778A KR20090020778A KR101092603B1 KR 101092603 B1 KR101092603 B1 KR 101092603B1 KR 1020090020778 A KR1020090020778 A KR 1020090020778A KR 20090020778 A KR20090020778 A KR 20090020778A KR 101092603 B1 KR101092603 B1 KR 101092603B1
- Authority
- KR
- South Korea
- Prior art keywords
- toluene diisocyanate
- polyisocyanate
- product
- toluene
- rigid polyurethane
- 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
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 239000006227 byproduct Substances 0.000 title claims abstract description 42
- 239000005056 polyisocyanate Substances 0.000 title claims abstract description 37
- 229920001228 polyisocyanate Polymers 0.000 title claims abstract description 37
- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract description 21
- 239000011496 polyurethane foam Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000004821 distillation Methods 0.000 title abstract description 7
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims abstract description 24
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 30
- 239000012948 isocyanate Substances 0.000 claims description 24
- 150000002513 isocyanates Chemical class 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- 239000000178 monomer Substances 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 11
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- -1 N-dialkylpiperazines Inorganic materials 0.000 claims description 4
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 239000012258 stirred mixture Substances 0.000 claims description 3
- GEEGPFGTMRWCID-UHFFFAOYSA-N 1-n,1-n,1-n',1-n'-tetramethylbutane-1,1-diamine Chemical compound CCCC(N(C)C)N(C)C GEEGPFGTMRWCID-UHFFFAOYSA-N 0.000 claims description 2
- AXFVIWBTKYFOCY-UHFFFAOYSA-N 1-n,1-n,3-n,3-n-tetramethylbutane-1,3-diamine Chemical compound CN(C)C(C)CCN(C)C AXFVIWBTKYFOCY-UHFFFAOYSA-N 0.000 claims description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 2
- GTEXIOINCJRBIO-UHFFFAOYSA-N 2-[2-(dimethylamino)ethoxy]-n,n-dimethylethanamine Chemical compound CN(C)CCOCCN(C)C GTEXIOINCJRBIO-UHFFFAOYSA-N 0.000 claims description 2
- HVCNXQOWACZAFN-UHFFFAOYSA-N 4-ethylmorpholine Chemical compound CCN1CCOCC1 HVCNXQOWACZAFN-UHFFFAOYSA-N 0.000 claims description 2
- GSMSOLOCRKCJMR-UHFFFAOYSA-N 4-octadecylmorpholine Chemical compound CCCCCCCCCCCCCCCCCCN1CCOCC1 GSMSOLOCRKCJMR-UHFFFAOYSA-N 0.000 claims description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 2
- SVYKKECYCPFKGB-UHFFFAOYSA-N N,N-dimethylcyclohexylamine Chemical compound CN(C)C1CCCCC1 SVYKKECYCPFKGB-UHFFFAOYSA-N 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 claims description 2
- 125000003277 amino group Chemical group 0.000 claims description 2
- 229960002887 deanol Drugs 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 claims description 2
- 239000012972 dimethylethanolamine Substances 0.000 claims description 2
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 claims description 2
- SRTOAFZPEOCBGW-UHFFFAOYSA-N n,n,n',n'-tetraethylhexane-1,6-diamine Chemical compound CCN(CC)CCCCCCN(CC)CC SRTOAFZPEOCBGW-UHFFFAOYSA-N 0.000 claims description 2
- NHLUVTZJQOJKCC-UHFFFAOYSA-N n,n-dimethylhexadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCN(C)C NHLUVTZJQOJKCC-UHFFFAOYSA-N 0.000 claims description 2
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 claims description 2
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 2
- UKODFQOELJFMII-UHFFFAOYSA-N pentamethyldiethylenetriamine Chemical compound CN(C)CCN(C)CCN(C)C UKODFQOELJFMII-UHFFFAOYSA-N 0.000 claims description 2
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 claims description 2
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 claims description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims 1
- 229940043237 diethanolamine Drugs 0.000 claims 1
- 229960004418 trolamine Drugs 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 abstract description 5
- 239000004814 polyurethane Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 description 13
- 150000003077 polyols Chemical class 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 239000004721 Polyphenylene oxide Substances 0.000 description 6
- 229920000570 polyether Polymers 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 239000002341 toxic gas Substances 0.000 description 5
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012973 diazabicyclooctane Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- 229920005906 polyester polyol Polymers 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- 238000012644 addition polymerization Methods 0.000 description 2
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical class NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000003918 potentiometric titration Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- DYSXLQBUUOPLBB-UHFFFAOYSA-N 2,3-dinitrotoluene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O DYSXLQBUUOPLBB-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 101710134784 Agnoprotein Proteins 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241001387976 Pera Species 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000004872 foam stabilizing agent Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 150000007519 polyprotic acids Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- KVMPUXDNESXNOH-UHFFFAOYSA-N tris(1-chloropropan-2-yl) phosphate Chemical compound ClCC(C)OP(=O)(OC(C)CCl)OC(C)CCl KVMPUXDNESXNOH-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
종류 | 톨루엔디이소시아네이트 | 고비점 물질* | 타르성 물질 |
함량(중량%) | 20 ~ 50 | 0 ~ 20 | 50 ~ 80 |
* 고비점 물질 : 뷰렛 화합물, 폴리카보디미드, 이소시아뉴레이트, 여러 이소시아네이트 부가물 |
종류 | 톨루엔디이소시아네이트 | 고비점 물질* | 타르성 물질 |
함량(중량%) | 40 ~ 60 | 0 ~ 10 | 30 ~ 70 |
* 고비점 물질 : 뷰렛 화합물, 폴리카보디미드, 이소시아뉴레이트, 여러 이소시아네이트 부가물 |
구분 |
실시예 | 비교예 | |||||||
1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | |
TDI 부산물 중 단량체 함량(%) |
44 | 60 | 52.8 | 60 | 37 | 50 | 70 | 37 | 37 |
TDI 부산물(g) | 84 | 100 | 100 | 144 | 110 | 100 | 100 | 144 | 144 |
MDI 종류 | M-5S | M-5S | M-5S | M-20 | M-5S | M-5S | M-5S | M-20 | M-5S |
MDI(g) | 126 | 150 | 41.7 | 96 | 165 | 150 | 150 | 96 | 96 |
TDI 부산물/ MDI 중량 비율 |
0.67 | 0.67 | 1.40 | 1.50 | 0.67 | 0.67 | 0.67 | 1.50 | 1.50 |
톨루엔(g) | 336 | 400 | 400 | 576 | 440 | 400 | 400 | 576 | 576 |
합계(g) | 546 | 650 | 541.7 | 816 | 782 | 650 | 650 | 816 | 816 |
구분 |
실시예 | 비교예 | |||||||
1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | |
이소시아네이트함량(%) | 32.5 | 32 | 31.6 | 32.6 | 30.32 | 30.12 | 32.5 | 27.9 | 27.40 |
가수분해성염소(ppm) | 720 | 857 | 725 | 793 | 718 | 725 | 1361 | 1010 | 1160 |
점도 (25℃, cps) |
680 | 150 | 580 | 350 | 680 | 480 | 52 | 69000 | 9000 |
구분 (중량부) |
실시예 | 비교예 | |||
7 | 8 | 9 | 4 | ||
폴리이소시아네이트 | 실시예 1 | 실시예 4 | 실시예 6 | MDI1) | |
폴리에테르 폴리올 |
RP-6455 | 50 | 50 | 50 | 50 |
TE-360 | 50 | 50 | 50 | 50 | |
정포제 | B-84622) | 2.5 | - | 2.5 | 2.5 |
난연제 | TCPP | 20 | 20 | 20 | 20 |
발포제 | H20 | 1.5 | 1.5 | 1.5 | 1.5 |
기타첨가제 |
DC-1933) | - | 2.5 | - | - |
PC-84) | 1.5 | 1.5 | 1.5 | 1.5 | |
T-455) | 1.0 | 1.0 | 1.0 | 1.0 | |
HCFC-146 | 25 | 25 | 25 | 25 | |
이소시아네이트 인덱스 | 110 | 110 | 110 | 110 | |
1) MDI : 디페닐메탄디이소시아네이트(M-20, BSAF) 2) B-8462: Goldschmit, Tegostab 3) DC-193 : Air Products, DABCO 4) PC-8 : Air Products, DABCO 5) T-45 : Air Products, DABCO |
구분 | 실시예 | 비교예 | |||
7 | 8 | 9 | 4 | ||
반응성 | C/T(sec) | 23 | 22 | 23 | 27 |
G/T(sec) | 110 | 96 | 110 | 97 | |
TF/T(sec) | 180 | 145 | 180 | 140 | |
밀도(kg/m3) | 38.4 | 37.5 | 39.6 | 40.3 | |
압축강도(kgf/cm2) | 2.1 | 2.3 | 2.1 | 2.5 | |
독립기포율(%) | 85 | 89 | 87 | 90 | |
외관 | 짙은 갈색 | 짙은 갈색 | 짙은 갈색 | 옅은 노란색 |
Claims (6)
- 톨루엔디이소시아테이트 단량체의 함량이 40 ~ 60 중량%인 톨루엔디이소시아네이트 부산물에 용제인 톨루엔을 첨가하여 교반하면서 100 ~ 110 ℃로 승온하여 혼합물을 용해시키는 제 1 단계;상기 용해된 혼합물을 50 ~ 80 ℃로 냉각시킨 후 진공을 걸어 용제의 일부를 제거한 다음 조 디페닐메탄디이소시아네이트를 첨가한 후 교반시키는 제 2 단계;및상기 교반시킨 혼합물을 질소 분위기 하에서 진공을 걸어 용제를 완전히 제거하는 제 3 단계;를 포함하는 것을 특징으로 하는 폴리이소시아네이트 제조방법.
- 제 1 항에 있어서,상기 톨루엔은 전체 톨루엔디이소시아네이트 부산물에 대하여 100 ~ 500 중량부 인 것을 특징으로 하는 폴리이소시아네이트의 제조방법.
- 제 1 항에 있어서,상기 톨루엔디이소시아네이트 부산물과 조 디페닐메탄디이소이아네이트의 중량 비율은 1 : 0.5 ~ 2.0인 것을 특징으로 하는 폴리이소시아네이트의 제조방법.
- 제 1 항에 있어서,상기 폴리이소시아네이트는 이소시아네이트의 함량이 25 ~ 35 %이고, 점도가 700 cps(25 ℃) 이하인 것을 특징으로 하는 폴리이소시아네이트의 제조방법.
- 제 1 항 또는 제 4 항에서 제조된 폴리이소시아네이트를 원료로 하는 경질 폴리우레탄 발포체.
- 제 5 항에 있어서,트리에틸아민, 트리프로필아민, 트리이소프로판올아민, 트리부틸아민, 트리옥틸아민, 헥사데실디메틸아민, N-메틸몰포린, N-에틸몰포린, N-옥타데실몰포린, 모노에탄올아민, 디에탄올아민, 디메틸에탄올아민, 트리에탄올아민, N-메틸디에탄올아민, N,N-디메틸에탄올아민, 디에틸렌트리아민, N,N,N',N'-테트라메틸부탄디아민, N,N,N',N'-테트라메틸-1,3-부탄디아민, N,N,N',N'-테트라에틸헥사메틸렌디아민, 비스[2-(N,N-디메틸아미노)에틸]에테르, N,N-디메틸벤질아민, N,N-디메틸시클로헥실아민, N,N,N',N",N"-펜타메틸디에틸렌트리아민, 트리에틸렌디아민, 트리에틸렌디아민의 개미산염, 제 1 및 제 2 아민의 아미노기와 옥시알킬렌부가물, N,N-디알킬피페라진, N,N',N"-트리알킬아미노알킬헥사히드로트리아진 중에서 선택된 1 종 이상의 아민계 우레탄화 촉매를 사용하는 것을 특징으로 하는 경질 폴리우레탄 발포체.
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US4251638A (en) | 1978-10-27 | 1981-02-17 | Bayer Aktiengesellschaft | Process for the production of polyurethane plastics |
US4904704A (en) | 1988-12-22 | 1990-02-27 | The Dow Chemical Company | Rigid foams prepared from treated toluene diisocyanate residue |
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2009
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US4251638A (en) | 1978-10-27 | 1981-02-17 | Bayer Aktiengesellschaft | Process for the production of polyurethane plastics |
US4904704A (en) | 1988-12-22 | 1990-02-27 | The Dow Chemical Company | Rigid foams prepared from treated toluene diisocyanate residue |
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