KR101285207B1 - 열가소성 폴리우레탄 수지 및 이의 제조방법 - Google Patents
열가소성 폴리우레탄 수지 및 이의 제조방법 Download PDFInfo
- Publication number
- KR101285207B1 KR101285207B1 KR1020110022930A KR20110022930A KR101285207B1 KR 101285207 B1 KR101285207 B1 KR 101285207B1 KR 1020110022930 A KR1020110022930 A KR 1020110022930A KR 20110022930 A KR20110022930 A KR 20110022930A KR 101285207 B1 KR101285207 B1 KR 101285207B1
- Authority
- KR
- South Korea
- Prior art keywords
- polyol
- polyurethane resin
- thermoplastic polyurethane
- diisocyanate
- polycarbonate
- 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.)
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- 229920002803 thermoplastic polyurethane Polymers 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims 2
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 229920005862 polyol Polymers 0.000 claims description 52
- 150000003077 polyols Chemical class 0.000 claims description 52
- 239000004970 Chain extender Substances 0.000 claims description 24
- 229920000515 polycarbonate Polymers 0.000 claims description 21
- 239000004417 polycarbonate Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 150000002009 diols Chemical class 0.000 claims description 19
- 229920005906 polyester polyol Polymers 0.000 claims description 19
- 229920001228 polyisocyanate Polymers 0.000 claims description 19
- 239000005056 polyisocyanate Substances 0.000 claims description 19
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims description 14
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 claims description 13
- 229920001610 polycaprolactone Polymers 0.000 claims description 13
- -1 polyhexamethylene carbonate Polymers 0.000 claims description 13
- 239000004632 polycaprolactone Substances 0.000 claims description 10
- 125000005442 diisocyanate group Chemical group 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 5
- 229940008841 1,6-hexamethylene diisocyanate Drugs 0.000 claims description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 3
- UYFMQPGSLRHGFE-UHFFFAOYSA-N cyclohexylmethylcyclohexane;isocyanic acid Chemical compound N=C=O.N=C=O.C1CCCCC1CC1CCCCC1 UYFMQPGSLRHGFE-UHFFFAOYSA-N 0.000 claims description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 3
- UQBRAHLFLCMLBA-UHFFFAOYSA-N N=C=O.N=C=O.CC1=CC=CC(C)=C1 Chemical compound N=C=O.N=C=O.CC1=CC=CC(C)=C1 UQBRAHLFLCMLBA-UHFFFAOYSA-N 0.000 claims 2
- 230000009477 glass transition Effects 0.000 abstract description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 13
- 230000014759 maintenance of location Effects 0.000 description 8
- 229920005749 polyurethane resin Polymers 0.000 description 8
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 7
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000003999 initiator Substances 0.000 description 6
- 239000012948 isocyanate Substances 0.000 description 6
- 150000002513 isocyanates Chemical class 0.000 description 6
- 238000005191 phase separation Methods 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- UHGULLIUJBCTEF-UHFFFAOYSA-N 2-aminobenzothiazole Chemical compound C1=CC=C2SC(N)=NC2=C1 UHGULLIUJBCTEF-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000012936 correction and preventive action Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- MTZUIIAIAKMWLI-UHFFFAOYSA-N 1,2-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC=C1N=C=O MTZUIIAIAKMWLI-UHFFFAOYSA-N 0.000 description 1
- QOFLTGDAZLWRMJ-UHFFFAOYSA-N 2-methylpropane-1,1-diol Chemical compound CC(C)C(O)O QOFLTGDAZLWRMJ-UHFFFAOYSA-N 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001556 benzimidazoles Chemical class 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229940117969 neopentyl glycol Drugs 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- 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
-
- 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
- C08G18/83—Chemically modified polymers
- C08G18/85—Chemically modified polymers by azo compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
실시예 | 인장강도 유지율(%) | 경도변화량(point) | ||
M100 | M300 | 파단점 | ||
1 | 76 | 73 | 71 | 7 |
2 | 79 | 72 | 70 | 5 |
3 | 80 | 74 | 72 | 6 |
4 | 89 | 86 | 85 | 4 |
5 | 91 | 89 | 88 | 5 |
6 | 90 | 88 | 88 | 4 |
7 | 96 | 95 | 94 | 3 |
8 | 95 | 94 | 93 | 3 |
9 | 96 | 95 | 95 | 2 |
10 | 96 | 95 | 95 | 2 |
11 | 97 | 96 | 96 | 2 |
Claims (11)
- 폴리카보네이트폴리올, 폴리에스테르폴리올 또는 이들의 혼합물인 폴리올, 이소포론디이소시아네이트(IPDI), 1,6-헥사메틸렌 디이소시아네이트(1,6-HDI), 4,4'-메틸렌비스시클로헥산 디이소시아네이트(4-4'-H12MDI), 1,3-자일렌 디이소시아네이트(1,3-XDI), 1,3-테트라메틸자일렌 디이소시아네이트(1,3-TMXDI) 및 파라페닐렌디이소시아네이트(p-phenylenediisocyanate,PPDI)로 이루어진 군에서 선택되는 폴리이소시아네이트 및 6,6-옥시비스-2-아미노벤조티아졸(ABT)인 벤조티아졸계열의 사슬연장제를 포함하는 열가소성 폴리우레탄 수지.
- 제 1항에 있어서, 상기 폴리올은 50~90 중량부, 폴리이소시아네이트는 10~20 중량부, 벤조티아졸계열의 사슬연장제는 0.1~10 중량부로 이루어진 것을 특징으로 하는 열가소성 폴리우레탄 수지.
- 삭제
- 삭제
- 제 1항에 있어서, 상기 폴리카보네이트폴리올 및 폴리에스테르폴리올의 혼합물의 조성비는 7:3인 것을 특징으로 하는 열가소성 폴리우레탄 수지.
- 제 1항에 있어서, 상기 폴리카보네이트폴리올은 폴리카보네이트디올 또는 폴리헥사메틸렌카보네이트디올이며, 상기 폴리에스테르폴리올은 폴리카프로락톤디올인 것을 특징으로 하는 열가소성 폴리우레탄 수지.
- 삭제
- (a) 폴리카보네이트폴리올, 폴리에스테르폴리올 또는 이들의 혼합물인 폴리올 및 이소포론디이소시아네이트(IPDI), 1,6-헥사메틸렌 디이소시아네이트(1,6-HDI), 4,4'-메틸렌비스시클로헥산 디이소시아네이트(4-4'-H12MDI), 1,3-자일렌 디이소시아네이트(1,3-XDI), 1,3-테트라메틸자일렌 디이소시아네이트(1,3-TMXDI) 및 파라페닐렌디이소시아네이트(p-phenylenediisocyanate,PPDI)로 이루어진 군에서 선택되는 폴리이소시아네이트를 질소분위기 하에서 혼합하여 70~85℃에서 1~5시간 동안 반응시켜 프리폴리머를 합성하는 단계; 및
(b)상기 프리폴리머에 6,6-옥시비스-2-아미노벤조티아졸(ABT)인 벤조티아졸계열의 사슬연장제를 첨가하여 80~95℃에서 12~48 시간 동안 반응시키는 단계;를 포함하는 열가소성 폴리우레탄 수지의 제조방법. - 삭제
- 삭제
- 제 8항에 있어서, 상기 폴리카보네이트폴리올 및 폴리에스테르폴리올의 혼합물의 조성비는 7:3인 것을 특징으로 하는 열가소성 폴리우레탄 수지의 제조방법.
Priority Applications (1)
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KR1020110022930A KR101285207B1 (ko) | 2011-03-15 | 2011-03-15 | 열가소성 폴리우레탄 수지 및 이의 제조방법 |
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KR1020110022930A KR101285207B1 (ko) | 2011-03-15 | 2011-03-15 | 열가소성 폴리우레탄 수지 및 이의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20120105236A KR20120105236A (ko) | 2012-09-25 |
KR101285207B1 true KR101285207B1 (ko) | 2013-07-11 |
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KR (1) | KR101285207B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101686774B1 (ko) | 2016-08-30 | 2016-12-15 | 전정희 | 물성이 개선된 ppdi계 폴리우레탄 탄성체 제조방법 및 이에 의해 제조된 ppdi계 폴리우레탄 탄성체 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20070030789A (ko) * | 2004-05-31 | 2007-03-16 | 아사히 가라스 가부시키가이샤 | 폴리우레탄 엘라스토머 및 그 제조방법 |
KR20070067151A (ko) * | 2004-10-21 | 2007-06-27 | 아사히 가라스 가부시키가이샤 | 폴리우레탄 수지 및 폴리우레탄 수지 용액의 제조 방법 |
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KR20070030789A (ko) * | 2004-05-31 | 2007-03-16 | 아사히 가라스 가부시키가이샤 | 폴리우레탄 엘라스토머 및 그 제조방법 |
KR20070067151A (ko) * | 2004-10-21 | 2007-06-27 | 아사히 가라스 가부시키가이샤 | 폴리우레탄 수지 및 폴리우레탄 수지 용액의 제조 방법 |
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KR101686774B1 (ko) | 2016-08-30 | 2016-12-15 | 전정희 | 물성이 개선된 ppdi계 폴리우레탄 탄성체 제조방법 및 이에 의해 제조된 ppdi계 폴리우레탄 탄성체 |
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