KR102145163B1 - 로터리 캐스팅용 속경화성 폴리우레탄 수지조성물 - Google Patents
로터리 캐스팅용 속경화성 폴리우레탄 수지조성물 Download PDFInfo
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- KR102145163B1 KR102145163B1 KR1020200054031A KR20200054031A KR102145163B1 KR 102145163 B1 KR102145163 B1 KR 102145163B1 KR 1020200054031 A KR1020200054031 A KR 1020200054031A KR 20200054031 A KR20200054031 A KR 20200054031A KR 102145163 B1 KR102145163 B1 KR 102145163B1
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- 229920005749 polyurethane resin Polymers 0.000 title claims abstract description 52
- 238000005266 casting Methods 0.000 title claims abstract description 35
- 239000011342 resin composition Substances 0.000 title claims abstract description 35
- 229920005862 polyol Polymers 0.000 claims abstract description 67
- 150000003077 polyols Chemical class 0.000 claims abstract description 54
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 45
- 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 28
- -1 ester polyol Chemical class 0.000 claims abstract description 25
- 229920001451 polypropylene glycol Polymers 0.000 claims abstract description 23
- 150000001412 amines Chemical class 0.000 claims abstract description 22
- 229920000909 polytetrahydrofuran Polymers 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 18
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 15
- 239000004417 polycarbonate Substances 0.000 claims abstract description 15
- 150000002009 diols Chemical class 0.000 claims abstract description 14
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 16
- IBOFVQJTBBUKMU-UHFFFAOYSA-N 4,4'-methylene-bis-(2-chloroaniline) Chemical compound C1=C(Cl)C(N)=CC=C1CC1=CC=C(N)C(Cl)=C1 IBOFVQJTBBUKMU-UHFFFAOYSA-N 0.000 claims description 12
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims description 11
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 0.000 claims description 10
- 239000012948 isocyanate Substances 0.000 claims description 10
- AOFIWCXMXPVSAZ-UHFFFAOYSA-N 4-methyl-2,6-bis(methylsulfanyl)benzene-1,3-diamine Chemical compound CSC1=CC(C)=C(N)C(SC)=C1N AOFIWCXMXPVSAZ-UHFFFAOYSA-N 0.000 claims description 9
- 150000002513 isocyanates Chemical class 0.000 claims description 9
- TXXWBTOATXBWDR-UHFFFAOYSA-N n,n,n',n'-tetramethylhexane-1,6-diamine Chemical compound CN(C)CCCCCCN(C)C TXXWBTOATXBWDR-UHFFFAOYSA-N 0.000 claims description 7
- VIOMIGLBMQVNLY-UHFFFAOYSA-N 4-[(4-amino-2-chloro-3,5-diethylphenyl)methyl]-3-chloro-2,6-diethylaniline Chemical compound CCC1=C(N)C(CC)=CC(CC=2C(=C(CC)C(N)=C(CC)C=2)Cl)=C1Cl VIOMIGLBMQVNLY-UHFFFAOYSA-N 0.000 claims description 5
- 241001112258 Moca Species 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- VDJBIPLKIGSVRG-UHFFFAOYSA-N 3-chloro-2,6-diethylaniline Chemical compound CCC1=CC=C(Cl)C(CC)=C1N VDJBIPLKIGSVRG-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 11
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 abstract description 11
- 230000009257 reactivity Effects 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 description 23
- 229920002635 polyurethane Polymers 0.000 description 21
- 239000004814 polyurethane Substances 0.000 description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 229920005906 polyester polyol Polymers 0.000 description 6
- 239000004721 Polyphenylene oxide Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 229920000570 polyether Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 150000004693 imidazolium salts Chemical class 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 description 2
- 239000004970 Chain extender Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 150000002895 organic esters Chemical class 0.000 description 2
- 239000004848 polyfunctional curative Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IVSZLXZYQVIEFR-UHFFFAOYSA-N 1,3-Dimethylbenzene Natural products CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 1
- XVSJTVAPLGSCSK-UHFFFAOYSA-N 2,3,6-trimethylbenzenethiol Chemical compound CC1=CC=C(C)C(S)=C1C XVSJTVAPLGSCSK-UHFFFAOYSA-N 0.000 description 1
- RWPICVVBGZBXNA-BGYRXZFFSA-N Bis(2-ethylhexyl) terephthalate Natural products CCCC[C@H](CC)COC(=O)C1=CC=C(C(=O)OC[C@H](CC)CCCC)C=C1 RWPICVVBGZBXNA-BGYRXZFFSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 1
- IIGAAOXXRKTFAM-UHFFFAOYSA-N N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C Chemical compound N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C IIGAAOXXRKTFAM-UHFFFAOYSA-N 0.000 description 1
- 238000007551 Shore hardness test Methods 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- RWPICVVBGZBXNA-UHFFFAOYSA-N bis(2-ethylhexyl) benzene-1,4-dicarboxylate Chemical compound CCCCC(CC)COC(=O)C1=CC=C(C(=O)OCC(CC)CCCC)C=C1 RWPICVVBGZBXNA-UHFFFAOYSA-N 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- ITDHHRGCSPXWJP-UHFFFAOYSA-N n-chloro-2,6-diethylaniline Chemical compound CCC1=CC=CC(CC)=C1NCl ITDHHRGCSPXWJP-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000000326 ultraviolet stabilizing agent Substances 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
- C08G18/08—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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/28—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
- C08G18/28—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
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
-
- 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
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- 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
- C08L75/08—Polyurethanes from polyethers
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
본 발명에 의한 로터리 캐스팅용 속경화성 폴리우레탄 수지조성물은 일반적으로 사용되는 톨루엔 디이소시아네이트(TDI)에 비하여 폴리올(Polyol)과의 반응성이 빠른 메틸렌 디페닐 디이소시아네이트(MDI)를 과잉으로 혼합하여 제조된 프리폴리머(Prepolymer)를 주제로 사용하고, 폴리올(Polyol)과 복합 아민(Amine) 가교제를 경화제로 사용함으로써 가사시간(pot-life)을 3 ~ 10초 이내로 단축하여 작업성과 생산성을 높일 수 있는 효과가 있다.
Description
성분(중량%) | 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 | |
폴리올 | PPG | 48 | - | - | - | - |
PTMEG | - | 48 | - | - | 65 | |
Ester.p | - | - | 48 | - | - | |
PCD | - | - | - | 48 | - | |
이소시아네이트 | MDI | 52 | 52 | 52 | 52 | - |
TDI | - | - | - | - | 35 |
성분(중량%) | 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 | |
폴리올 | PPG | 30 | 40 | 55 | 70 | - |
Ⅰ그룹 | DMTDA | 30 | - | - | 10 | - |
MOCA | - | 20 | - | - | 10 | |
MCDEA | - | - | 15 | - | - | |
Ⅱ그룹 | DETDA | 20 | - | - | 10 | - |
MDA | - | 20 | 15 | - | - | |
Ⅲ그룹 | IPDA | 20 | - | - | 10 | - |
TEDA | - | 20 | - | - | 5 | |
TMHDA | - | - | 15 | - | - |
물성 항목 | 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 |
경도(HS) | 95 | 90 | 80 | 70 | 95 |
인장강도(kgf/㎠) | 470 | 484 | 450 | 410 | 308 |
신장율(%) | 320 | 340 | 450 | 560 | 305 |
100% 모듈러스 (kgf/㎠) |
125 | 142 | 128 | 108 | 121 |
인열강도(kgf/㎠) | 110 | 168 | 134 | 151 | 98 |
마모감량 (-cc, 3000cy.) |
0.009 | 0.009 | 0.003 | 0.001 | 0.012 |
비중 | 1.056 | 1.063 | 1.077 | 1.098 | 1.052 |
Claims (4)
- 주제와 경화제로 이루어지는 2액형 폴리우레탄 수지조성물에 있어서,
주제는 중량평균분자량 800 ~ 3000 범위의 폴리프로필렌 글리콜(Polypropylene Glycol, PPG), 폴리테트라메틸렌 에테르 글리콜(Polytetramethylene Ether Glycol, PTMEG), 에스테르 폴리올(Ester polyol), 폴리카보네이트 디올(Polycarbonate Diol, PCD) 중에서 선택된 단독 또는 2종 이상의 폴리올(Polyol) 40 ~ 70중량%; 및 메틸렌 디페닐 디이소시아네이트(Methylene diphenyl diisocyanate, MDI) 30 ~ 60중량%; 의 비율로 반응시켜 제조된 프리폴리머(Prepolymer) 100중량부를 기준으로,
경화제를 50 ~ 200중량부의 비율로 반응시켜 제조되며,
상기 경화제는 중량평균분자량 800 ~ 3000 범위의 폴리프로필렌 글리콜(Polypropylene Glycol, PPG), 폴리테트라메틸렌 에테르 글리콜(Polytetramethylene Ether Glycol, PTMEG), 에스테르 폴리올(Ester polyol), 폴리카보네이트 디올(Polycarbonate Diol, PCD) 중에서 선택된 단독 또는 2종 이상의 폴리올(Polyol) 25 ~ 70중량%에 대하여,
디메틸 티오-톨루엔 디아민(Dimethyl thio-toluene diamine, DMTDA), 4,4'-메틸렌비스(2-클로로아닐린)(4,4′-Methylenebis(2-chloroaniline), MOCA), 4,4'-메틸렌비스(3-클로로-2,6-디에틸아닐린)(4,4'-methylenebis(3-chloro-2,6-diethylaniline), MCDEA) 중에서 선택된 어느 1종 15 ~ 35중량%;
디에틸 톨루엔 디아민(Diethyl toluene diamine, DETDA), 메틸렌 디페닐 디아민(Methylene diphenyl diamine, MDA) 중에서 선택된 어느 1종 10 ~ 25중량%;
이소포론 디아민(Isophorone Diamine, IPDA), 트리에틸렌 디아민(Triethylene diamine, TEDA), N,N,N',N'-테트라메틸-1,6-헥산디아민(N,N,N',N'-Tetramethyl-1,6-hexanediamine, TMHDA) 중에서 선택된 어느 1종 5 ~ 20중량%;
의 비율로 배합된 복합 아민(Amine) 가교제로 구성되는 것을 특징으로 하는 로터리 캐스팅용 속경화성 폴리우레탄 수지조성물. - 제1항에 있어서,
상기 프리폴리머(Prepolymer)는 이소시아네이트(NCO) 함량 8 ~ 16중량%인 것을 특징으로 하는 로터리 캐스팅용 속경화성 폴리우레탄 수지조성물. - 삭제
- 제1항 및 제2항 중 어느 한 항에 있어서,
상기 폴리우레탄 수지조성물은 40 ~ 90℃의 성형온도 하에서 1,000 ~ 3,000cps의 점도를 가지며, 10 ~ 50㎜ 두께로 성형되는 것을 특징으로 하는 로터리 캐스팅용 속경화성 폴리우레탄 수지조성물.
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