KR20120077531A - 고속방사용 폴리우레탄우레아 탄성사의 제조방법 - Google Patents
고속방사용 폴리우레탄우레아 탄성사의 제조방법 Download PDFInfo
- Publication number
- KR20120077531A KR20120077531A KR1020100139517A KR20100139517A KR20120077531A KR 20120077531 A KR20120077531 A KR 20120077531A KR 1020100139517 A KR1020100139517 A KR 1020100139517A KR 20100139517 A KR20100139517 A KR 20100139517A KR 20120077531 A KR20120077531 A KR 20120077531A
- Authority
- KR
- South Korea
- Prior art keywords
- polyol
- glycol
- elastic yarn
- average molecular
- polyurethaneurea
- 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.)
- Ceased
Links
- 229920003226 polyurethane urea Polymers 0.000 title claims abstract description 49
- 238000009987 spinning Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 210000004177 elastic tissue Anatomy 0.000 title description 4
- 229920005862 polyol Polymers 0.000 claims abstract description 53
- 150000003077 polyols Chemical class 0.000 claims abstract description 53
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 38
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004970 Chain extender Substances 0.000 claims abstract description 12
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 7
- 229920000728 polyester Polymers 0.000 claims abstract description 7
- 229920000570 polyether Polymers 0.000 claims abstract description 7
- 229920001451 polypropylene glycol Polymers 0.000 claims abstract description 6
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 17
- 229920000642 polymer Polymers 0.000 claims description 14
- -1 polyethylene Polymers 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 4
- 150000002009 diols Chemical class 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920001577 copolymer Chemical compound 0.000 claims description 2
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000000704 physical effect Effects 0.000 abstract description 12
- 239000002904 solvent Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- 238000000578 dry spinning Methods 0.000 description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 5
- 229940113088 dimethylacetamide Drugs 0.000 description 5
- 239000012948 isocyanate Substances 0.000 description 5
- 239000011550 stock solution Substances 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical group C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 3
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000002166 wet spinning Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- LFSYUSUFCBOHGU-UHFFFAOYSA-N 1-isocyanato-2-[(4-isocyanatophenyl)methyl]benzene Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=CC=C1N=C=O LFSYUSUFCBOHGU-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 239000005058 Isophorone diisocyanate Substances 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical compound NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- XFNJVJPLKCPIBV-UHFFFAOYSA-N trimethylenediamine Chemical compound NCCCN XFNJVJPLKCPIBV-UHFFFAOYSA-N 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- ZXHDVRATSGZISC-UHFFFAOYSA-N 1,2-bis(ethenoxy)ethane Chemical compound C=COCCOC=C ZXHDVRATSGZISC-UHFFFAOYSA-N 0.000 description 1
- SJIXRGNQPBQWMK-UHFFFAOYSA-N 2-(diethylamino)ethyl 2-methylprop-2-enoate Chemical compound CCN(CC)CCOC(=O)C(C)=C SJIXRGNQPBQWMK-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- LJPCNSSTRWGCMZ-UHFFFAOYSA-N 3-methyloxolane Chemical compound CC1CCOC1 LJPCNSSTRWGCMZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 239000005700 Putrescine Substances 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- VKIRRGRTJUUZHS-UHFFFAOYSA-N cyclohexane-1,4-diamine Chemical compound NC1CCC(N)CC1 VKIRRGRTJUUZHS-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- KIQKWYUGPPFMBV-UHFFFAOYSA-N diisocyanatomethane Chemical compound O=C=NCN=C=O KIQKWYUGPPFMBV-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 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
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- DUIOPKIIICUYRZ-UHFFFAOYSA-N semicarbazide Chemical compound NNC(N)=O DUIOPKIIICUYRZ-UHFFFAOYSA-N 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 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
- C08G18/08—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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/04—Dry spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/062—Load-responsive characteristics stiff, shape retention
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/063—Load-responsive characteristics high strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
Claims (4)
- 폴리올과 디이소시아네이트의 중합물로 이루어진 폴리우레탄우레아 탄성사 제조방법에 있어서,
무게평균 분자량 1,000-2,000 수준의 제 1 폴리올과, 무게평균 분자량 2,000-3,500 수준의 제 2 폴리올을 포함하는 폴리올과 디이소시아네이트를 혼합하여 예비중합물을 제조하고,
예비 중합물에 사슬 연장제 및 사슬 종지제를 첨가하여 폴리우레탄우레타 중합물을 얻은 후, 이를 교반하여 수득된 폴리우레탄우레아 방산원액을 숙성하여 방사하는 것을 특징으로 하는 고속방사용 폴리우레탄우레아 탄성사 의 제조방법.
- 제 1항에 있어서, 폴리올은 폴리에테르계 글리콜, 폴리에스테르계 글리콜, 폴리프로필렌 글리콜 중에서 1 종 또는 2종 이상 혼합물 중에서 선택된 것이고, 제 2 폴리올은 전체 폴리올의 약 2 내지 약 25몰%의 범위 내로 존재하는 것을 특징으로 하는 고속방사용 폴리우레탄우레아 탄성사 의 제조방법.
- 제2항에 있어서, 상기 폴리에테르계 글리콜은 폴리에틸렌에테르 글리콜, 폴리트리메틸렝에테르 글리콜, 폴리테트라메틸렌에테르 글리콜 중에서 선택된 어느 하나 이상인 것을 특징으로 하는 고속방사용 폴리우레탄우레아 탄성사 의 제조방법.
- 제2항에 있어서, 상기 폴리에스테르계 글리콜은 코폴리(에틸렌-부틸렌 아디페이트)디올, 1,4-부탄디올, 1,6-헥산디올 중에서 선택된 어느 하나 이상인 것을 특징으로 하는 고속방사용 폴리우레탄우레아 탄성사 의 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100139517A KR20120077531A (ko) | 2010-12-30 | 2010-12-30 | 고속방사용 폴리우레탄우레아 탄성사의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100139517A KR20120077531A (ko) | 2010-12-30 | 2010-12-30 | 고속방사용 폴리우레탄우레아 탄성사의 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20120077531A true KR20120077531A (ko) | 2012-07-10 |
Family
ID=46710995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020100139517A Ceased KR20120077531A (ko) | 2010-12-30 | 2010-12-30 | 고속방사용 폴리우레탄우레아 탄성사의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20120077531A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101533912B1 (ko) * | 2014-02-10 | 2015-07-03 | 주식회사 효성 | 친수성 폴리우레탄우레아 탄성사 |
-
2010
- 2010-12-30 KR KR1020100139517A patent/KR20120077531A/ko not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101533912B1 (ko) * | 2014-02-10 | 2015-07-03 | 주식회사 효성 | 친수성 폴리우레탄우레아 탄성사 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100942359B1 (ko) | 열세트성이 향상된 폴리우레탄우레아 탄성사의 제조방법 | |
| KR20090106288A (ko) | 우수한 신도 및 합착력을 갖는 폴리우레탄우레아 탄성사 및그의 제조방법 | |
| KR101499310B1 (ko) | 폴리우레탄우레아 탄성사의 제조방법 | |
| KR101941317B1 (ko) | 저온 가공성 폴리우레탄우레아 탄성사 | |
| KR101148302B1 (ko) | 고속방사용 폴리우레탄우레아 탄성사의 제조방법 | |
| KR101426208B1 (ko) | 균일성과 열세트성이 우수한 폴리우레탄우레아 탄성사 | |
| KR101148583B1 (ko) | 우수한 파워 및 신도를 가진 탄성사의 제조 방법 | |
| KR101157335B1 (ko) | 우수한 파워를 가지는 폴리우레탄우레아 탄성사의 제조 방법 | |
| KR101578156B1 (ko) | 파워 및 균제도가 우수한 폴리우레탄우레아 탄성사 및 이의 제조방법 | |
| KR101167377B1 (ko) | 열세트성이 향상된 폴리우레탄우레아 탄성사의 제조방법 | |
| KR20150043906A (ko) | 응력유지율이 우수한 폴리우레탄우레아 탄성사 및 이의 제조방법 | |
| KR101247850B1 (ko) | 고속방사용 폴리우레탄우레아 탄성사의 제조방법 | |
| KR20120077531A (ko) | 고속방사용 폴리우레탄우레아 탄성사의 제조방법 | |
| KR101396100B1 (ko) | 고속방사용 폴리우레탄우레아 탄성사의 제조 방법 | |
| KR101396107B1 (ko) | 열세트성이 향상된 폴리우레탄우레아 탄성사 및 그 제조 방법 | |
| KR101312843B1 (ko) | 우수한 파워 및 회복력을 가지는 폴리우레탄우레아 탄성사의 제조 방법 | |
| KR20180044532A (ko) | 높은 신도를 갖는 폴리우레탄우레아 탄성사 및 이의 제조방법 | |
| KR101238557B1 (ko) | 고속방사용 폴리우레탄우레아 탄성사의 제조방법 | |
| KR101157327B1 (ko) | 높은 파워 및 내열성을 가진 탄성사의 제조 방법 및 이를 이용하여 제조된 탄성사 | |
| KR101255453B1 (ko) | 높은 파워 및 신도를 가지는 폴리우레탄우레아 탄성사의 제조 방법 | |
| KR101395973B1 (ko) | 열세트성이 향상된 폴리우레탄우레아 탄성사 및 그 제조 방법 | |
| KR101253420B1 (ko) | 우수한 파워를 가진 탄성사의 제조 방법 및 이를 이용하여 제조된 고파워 탄성사 | |
| KR101675280B1 (ko) | 폴리우레탄우레아 탄성사 및 이의 제조방법 | |
| KR101620573B1 (ko) | 해사성이 우수한 폴리우레탄우레아 탄성사 및 이의 제조방법 | |
| KR20140094357A (ko) | 우수한 파워 및 탄성회복율을 갖는 폴리우레탄우레아 탄성사 및 이의 제조방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20101230 |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20120903 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20130218 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20120903 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
