KR100839898B1 - Antimicrobial moisture-permeable polyurethane resin composition for textile coating and its manufacturing method - Google Patents
Antimicrobial moisture-permeable polyurethane resin composition for textile coating and its manufacturing method Download PDFInfo
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- KR100839898B1 KR100839898B1 KR1020070039760A KR20070039760A KR100839898B1 KR 100839898 B1 KR100839898 B1 KR 100839898B1 KR 1020070039760 A KR1020070039760 A KR 1020070039760A KR 20070039760 A KR20070039760 A KR 20070039760A KR 100839898 B1 KR100839898 B1 KR 100839898B1
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- 229920005749 polyurethane resin Polymers 0.000 title claims abstract description 24
- 230000000845 anti-microbial effect Effects 0.000 title claims abstract description 23
- 239000011248 coating agent Substances 0.000 title claims abstract description 20
- 238000000576 coating method Methods 0.000 title claims abstract description 20
- 239000011342 resin composition Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000004753 textile Substances 0.000 title description 13
- 239000004744 fabric Substances 0.000 claims abstract description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 48
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 48
- -1 alkylaryl ethylene oxide Chemical compound 0.000 claims description 20
- 229920000554 ionomer Polymers 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229920005862 polyol Polymers 0.000 claims description 9
- 150000003077 polyols Chemical class 0.000 claims description 9
- XEFQLINVKFYRCS-UHFFFAOYSA-N Triclosan Chemical compound OC1=CC(Cl)=CC=C1OC1=CC=C(Cl)C=C1Cl XEFQLINVKFYRCS-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 7
- 229960003500 triclosan Drugs 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 125000005442 diisocyanate group Chemical group 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 238000011978 dissolution method Methods 0.000 claims 1
- 239000004599 antimicrobial Substances 0.000 abstract description 12
- 230000035699 permeability Effects 0.000 abstract description 10
- 230000000844 anti-bacterial effect Effects 0.000 description 5
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- 239000000835 fiber Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 210000004243 sweat Anatomy 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 3
- 239000003242 anti bacterial agent Substances 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000012620 biological material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 241000192125 Firmicutes Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 241000607142 Salmonella Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 229920002494 Zein Polymers 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
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- 239000013538 functional additive Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
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- 229920001778 nylon Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
- D06M15/568—Reaction products of isocyanates with polyethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/423—Amino-aldehyde resins
- D06M15/427—Amino-aldehyde resins modified by alkoxylated compounds or alkylene oxides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
- D06M15/572—Reaction products of isocyanates with polyesters or polyesteramides
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- 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
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/022—Moisture-responsive characteristics hydrophylic
-
- 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
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
본 발명은 직물코팅용 항균투습형 폴리우레탄 수지조성물 및 그 제조방법에 관한 것으로서, 본 발명의 수지조성물을 직물에 코팅하는 경우 안정성이 있는 항균성 및 투습성능을 부여할 수 있다.The present invention relates to an antimicrobial moisture-permeable polyurethane resin composition for fabric coating and a method of manufacturing the same, and when the resin composition of the present invention is coated on a fabric, it can impart stable antimicrobial activity and moisture permeability.
Description
도 1은 본 발명의 직물코팅용 항균투습형 폴리우레탄 수지조성물이 코팅된 직물의 투습도 시험성적서 사본이다.1 is a copy of the moisture permeability test report of the fabric coated with the antimicrobial moisture-permeable polyurethane resin composition for textile coating of the present invention.
본 발명은 직물코팅용 항균투습형 폴리우레탄 수지조성물에 관한 것이다.The present invention relates to an antimicrobial moisture-permeable polyurethane resin composition for textile coating.
현재 섬유산업계에서는 재료분야 및 기술 분야측면에서 인체 적합성 섬유제품의 개발이 보다 고차원적으로 진행되고 있으며, 섬유고분자 재료는 생체재료로써 아주 중요한 역할을 하고 있으며 최근 더욱 급격히 발전하고 있다. 특히 인체의 건강을 유지, 증진 또는 회복시키고, 일상생활의 편안함을 더하기 위해 청결함, 쾌적함, 및 보호기능을 갖는 인체 및 인간의 주변에 사용되는 위생용 섬유제품에 대한 관심이 급증하고 있는데, 현재까지는 섬유제품을 화학적으로 위생처리를 하는 수준이었으나, 이에서 탈피하여 생체소재 및 생명 공학적 기술을 도입하여 특수기능소재를 일반적인 용품으로 사용할 수 있도록 하는 기술개발의 수요가 증가되고 있다. Currently, in the textile industry, the development of human-compatible fiber products is progressing in a higher dimension in terms of materials and technology, and the fiber polymer material plays a very important role as a biomaterial and has recently been developed more rapidly. In particular, there is an increasing interest in hygienic textile products used in the human body and surroundings of the human body having cleanliness, comfort, and protection functions to maintain, promote or restore the health of the human body and add comfort to daily life. Up to this point, the chemical products were treated with chemical sanitation, but the demand for technology development to use biomaterials and biotechnologies to use special functional materials as general supplies is increasing.
섬유용 위생가공의 발전을 위해서는 생체친화성 기능가공기술의 적용이 요구되며, 이에 효과적인 천연재료의 사용이 권장되고 각종 항균기능소재를 복합적으로 이용하는 신규가공기술이 일반화될 것으로 예측된다. 생활수준의 향상과 건강유지에 대한 관심이 크게 증가하고 있는 것과 같이하여 일상생활에서 청결한 상태를 유지하면서 질병을 예방하는 효과를 나타내는 위생섬유 소재개발이나 가공기술이 절실히 요구되고 있다.The development of hygienic processing for textiles requires the application of bio-friendly functional processing technology, and it is expected that the use of effective natural materials is recommended, and new processing technology that uses various antibacterial functional materials in combination is expected to be generalized. As the interest in improving living standards and maintaining health is increasing, there is an urgent need for the development and processing of sanitary fiber materials, which are effective in preventing diseases while maintaining a clean state in daily life.
위생용 섬유는 인체의 땀(수증기)을 통과시킬 수 있는 투습성이 있어야 한다. 이러한 투습막의 제조에는 2가지의 방법이 사용된다.Hygiene fibers must be breathable to allow the human body to pass sweat. Two methods are used for manufacture of such a moisture-permeable membrane.
(1) 일체형 멤브레인형(Monolithic membranes)(1) Monolithic membranes
이는 폴리우레탄, 폴리에테르/폴리에스테르 혹은 여타 공중합체로 만들어지며, 이것은 보호기능을 부여하는 고체층(Solid layers)을 가지고 있다. 이러한 필름 멤브레인은 분자체인에서 하드 및 소프트한 세그먼트로 만들어져 있다. 이러한 세그먼트의 다른 구조 때문에 이들 사이에 열가소성적인 민감성이 있다.It is made of polyurethane, polyether / polyester or other copolymers, which have solid layers which impart protection. These film membranes are made of hard and soft segments in the molecular chain. Because of the different structure of these segments there is a thermoplastic sensitivity between them.
어느 정도의 투습성(Semipermeability)은 이러한 미세 분리 상에서 일어나게 되는데, 이러한 현상은 피부와 대기 상에서 상대습도의 차이에 의해서 일어나는 것이다.Some degree of semipermeability occurs in this microseparation, which is caused by the difference in relative humidity on the skin and in the atmosphere.
(2) 미세다공질형(Microporous membranes)(2) Microporous membranes
미세 다공질 막은 피부의 표면에서 직물을 통과하는 공기에 의해 땀을 배출하게 함으로써 쾌적성을 만들어 준다. 피부 표면의 습기는 가스 상의 확산과 대류 현상을 통해 미세다공질의 기공을 통과한다. 이러한 기공의 크기는 0.0004 micron으로 평가되는 수증기와 비교하여 액체인 물을 배출할 수 있는 0.1 ~ 0.2 micron정도이다. Microporous membranes create comfort by letting the sweat out by the air passing through the fabric at the surface of the skin. Moisture on the surface of the skin passes through microporous pores through gas phase diffusion and convection. These pores have a size of about 0.1 to 0.2 micron, which can release liquid water compared to water vapor, which is estimated to be 0.0004 micron.
현재 시중(유럽, 미주)에 판매되고 있는 미세다공질의 필름을 사용한 섬유제품들은 항균적 보호 효과가 없다. 즉, 시중의 위생용 섬유제품의 한계점은 수증기가 쉽게 발산되지 않음으로 생기는 착용편의성의 결여의 문제가 있어 착용자가 쉽게 땀이 나 불쾌감을 느낄 수 있다. 특히, 의류로 활용하는 경우에는 수분과 열이 직물의 공극을 통해 이상적으로 이동해야 한다. Textile products using microporous films currently on the market (Europe, America) do not have antimicrobial protection. That is, the limitation of the hygienic textile products on the market has a problem of the lack of wearing comfort caused by the water vapor is not easily released, the wearer can easily feel sweat or unpleasant. In particular, when used as a garment, moisture and heat should ideally move through the pores of the fabric.
이러한 투습기능을 보유하기 위한 종래의 방수가공포지는 기포위에 고무 또는 아크릴수지를 코팅 또는 라미네이팅(Laminating) 가공을 하여 외부로부터의 비 또는 물 등이 침투하지 못하게 철저히 막아줌으로써 완전방수의 기능을 가지나, 내부로부터의 땀, 증기 열등을 발산시키지 못하므로 투습성이 없어 착용시 불쾌감이 항상 문제시 되어 왔다. Conventional waterproof processing for retaining this moisture permeability is a function of completely waterproof by preventing the penetration of rain or water from the outside by coating or laminating the rubber or acrylic resin on the bubble, Since it does not radiate sweat, steam inferiority from the inside, there is always a problem of discomfort when worn because there is no moisture permeability.
또한, 현재 섬유업계에서는 상기 투습성이외에도 항균성의 중요도가 부각되고 있는데, 이러한 항균(抗菌)성이란 항생 물질 등이 세균의 성장을 저지하는 것을 의미하며, 각종 플라스틱, 종이, 섬유 등의 제품에 첨가되어 세균이나 곰팡이의 발생을 방지하고 사멸시키는 기능을 가지는 기능성 첨가제를 항균제(抗菌劑)라고 한다.In addition, in the textile industry, the importance of antimicrobial activity is highlighted in addition to the moisture permeability, and this antimicrobial property means that antibiotics and the like inhibit the growth of bacteria, and are added to various plastics, papers, fibers, etc. Functional additives having the function of preventing and killing bacteria and molds are called antibacterial agents.
이러한 항균제중 이미 광범위한 항균력과 인체 무해성을 인정받은 바 있는 대한민국특허출원 제2001-118760호에서는 수성 폴리우레탄과 쉽게 블렌딩할 수 있도록 하기 위해서는 먼저 물에 불용성인 항균제를 수용화시켜야 한다. 그러나 상기 특허출원의 항균제는 친수기가 거의 없는 구조로 인해 일반적인 방법으로는 수용화시키기가 매우 어려운 문제점을 가지고 있다. Among these antimicrobials, Korea Patent Application No. 2001-118760, which has already been recognized for its widespread antimicrobial power and harmlessness to the human body, must first accept an insoluble antimicrobial agent in water in order to be easily blended with an aqueous polyurethane. However, the antimicrobial agent of the patent application has a problem that it is very difficult to accept by a general method due to the structure of almost no hydrophilic group.
따라서 본 발명자는 종래기술의 문제점을 극복하여 직물에 코팅 또는 라미네이팅함으로써 투습성능과 항균성을 가지는 직물을 제조할 수 있도록 최적의 HLB값을 지닌 비이온성의 이오노머와 HLB의 조절이 용이하고 친수기가 부가되어 있는 항균제를 사용하여 안정성이 있는 항균투습형 폴리우레탄 수지조성물을 제공하는 것을 기술적과제로 한다.Accordingly, the present inventors can easily control the nonionic ionomer and HLB having an optimal HLB value and add a hydrophilic group so as to overcome the problems of the prior art to produce a fabric having moisture permeability and antibacterial property by coating or laminating the fabric. It is a technical task to provide a stable antimicrobial moisture-permeable polyurethane resin composition using an antibacterial agent.
그러므로 본 발명에 의하면, 반응기에 디이소시아네이트와 폴리올의 반응에 의해 생성된 프리폴리머를 충전시킨 후, 상기 반응기에 알킬아릴에틸렌옥사이드와 알킬아릴프로필렌옥사이드의 공중합형 이오노머를 투입하여 교반한 후, 에틸렌글리콜(EG) 및 프로필렌글리콜(PG)을 차례대로 투입하여 완전히 용해시킨 후, 증류수를 투입하고 pH 5.0 ~ 6.0에서 반응온도를 50 ~ 60℃로 승온한 후, 상기 반응기의 교반속도를 4,000 ~ 5,000 rpm유지하면서 항균제인 트리클로산(C12H7Cl3O2)을 투입한 후 완전히 용해시키고 반응기온도를 20 ~ 30℃로 냉각시키는 것을 특징으로 하는 직물코팅용 항균투습형 폴리우레탄 수지조성물의 제조방법이 제공된다.Therefore, according to the present invention, after the prepolymer produced by the reaction of diisocyanate and polyol is charged to the reactor, the copolymerized ionomer of alkylaryl ethylene oxide and alkyl aryl propylene oxide is added to the reactor and stirred, followed by ethylene glycol ( EG) and propylene glycol (PG) were added in order to completely dissolve, distilled water was added and the reaction temperature was raised to 50-60 ° C. at pH 5.0-6.0, and the stirring speed of the reactor was maintained at 4,000-5,000 rpm. While the antimicrobial agent triclosan (C1 2 H 7 Cl 3 O 2 ) is added and completely dissolved and the reactor temperature is cooled to 20 ~ 30 ℃ provides a manufacturing method of antimicrobial moisture-permeable polyurethane resin composition for coating do.
또한 본 발명에 의하면 상기 제조방법에 의해 제조된 것을 특징으로 하는 직물코팅용 항균투습형 폴리우레탄 수지조성물이 제공된다.In addition, according to the present invention there is provided an antimicrobial moisture-permeable polyurethane resin composition for fabric coating, characterized in that produced by the above production method.
이하 본 발명에 대해서 보다 상세히 설명하기로 한다.Hereinafter, the present invention will be described in more detail.
본 발명은 직물에 코팅 또는 라미네이팅함으로써 투습성능과 항균성을 가지는 직물을 제조할 수 있는 직물코팅용 항균투습형 폴리우레탄 수지조성물에 관한 것이다.The present invention relates to an antimicrobial moisture-permeable polyurethane resin composition for fabric coating that can produce a fabric having moisture permeability and antibacterial by coating or laminating the fabric.
본 발명의 직물코팅용 항균투습형 폴리우레탄 수지조성물은 반응기에 폴리우레탄 프리폴리머와 알킬아릴에틸렌옥사이드와 알킬아릴프로필렌옥사이드의 공중합형 이오노머를 혼합하여 교반하고 에틸렌글리콜(EG) 및 프로필렌글리콜(PG)을 차례대로 투입하여 완전히 용해시킨 후, 증류수를 투입하고 트리클로산(C12H7Cl3O2)을 투입하여 얻어지는 폴리우레탄 수지와 트리클로산이 균일하게 분산된 유화상태의 폴리우레탄 수지조성물이다. The antimicrobial moisture-permeable polyurethane resin composition for textile coating of the present invention is stirred by mixing a polyurethane prepolymer, a copolymerized ionomer of alkylaryl ethylene oxide, and alkylaryl propylene oxide in a reactor, and stirring ethylene glycol (EG) and propylene glycol (PG). It is a polyurethane resin composition in an emulsion state in which a polyurethane resin and triclosan obtained by adding distilled water and then adding trichloroic acid (C1 2 H 7 Cl 3 O 2 ) uniformly dispersed after being added sequentially.
본 발명에서 사용되는 폴리우레탄 프리폴리머는 과량의 디이소시아네이트와 폴리올의 반응에 의해 생성된 프리폴리머로서 상기 폴리올은 폴리에테르계 폴리올 또는 폴리에스테르계 폴리올을 사용할 수 있다. 상기 폴리우레탄 프리폴리머를 반응기에 충전시킨 후 상기 반응기에 알킬아릴에틸렌옥사이드와 알킬아릴프로필렌옥 사이드의 공중합형 이오노머를 투입하여 교반한 후, 에틸렌글리콜(EG) 및 프로필렌글리콜(PG)을 차례대로 투입하여 완전히 용해시킨다.The polyurethane prepolymer used in the present invention is a prepolymer produced by the reaction of an excess of diisocyanate with a polyol, and the polyol may use a polyether polyol or a polyester polyol. After the polyurethane prepolymer was charged into the reactor, the copolymerized ionomer of alkylaryl ethylene oxide and alkyl aryl propylene oxide was added to the reactor, followed by stirring. Then, ethylene glycol (EG) and propylene glycol (PG) were sequentially added thereto. Dissolve completely.
본 발명의 수분산성 폴리우레탄수지를 제조하기 위해서는 중합된 폴리우레탄고분자를 물에 유화시키기 위해 친수성기를 가지고 있는 이오노머(ionomer)를 도입하여 물에 분산시키는 것이 바람직하다. 따라서 본 발명에서는 상기 알킬아릴에틸렌옥사이드와 알킬아릴프로필렌옥사이드의 공중합형 이오노머에 의해 폴리우레탄 폴리머의 입자표면에 이온성기가 존재하도록 하여 분산입자를 안정화시킬 수 있다. 이에 최적의 HLB값을 지닌 비이온성의 이오노머인 알킬아릴에틸렌옥사이드와 알킬아릴프로필렌옥사이드의 공중합형 이오노머(탄소수 12~14, 중량평균분자량 500~550)를 선택하여 프리폴리머의 사슬 연장에 사용되는 사슬연장제인 에틸렌글리콜(EG) 및 프로필렌글리콜(PG)을 통하여 화학적으로 결합시킨다.In order to prepare the water-dispersible polyurethane resin of the present invention, in order to emulsify the polymerized polyurethane polymer in water, it is preferable to introduce an ionomer having a hydrophilic group and disperse it in water. Therefore, in the present invention, the ionic group is present on the particle surface of the polyurethane polymer by the copolymerized ionomer of the alkylaryl ethylene oxide and the alkyl aryl propylene oxide to stabilize the dispersed particles. The chain extension used to extend the chain of the prepolymer by selecting a copolymerized ionomer (12 to 14 carbon atoms, weight average molecular weight 500 to 550) of an alkylaryl ethylene oxide and an alkyl aryl propylene oxide, which is a nonionic ionomer having an optimal HLB value. It is chemically bonded through zein ethylene glycol (EG) and propylene glycol (PG).
이후, 증류수를 투입하고 pH 5.0 ~ 6.0에서 반응온도를 50~60℃로 승온한 후, 상기 반응기의 교반속도를 4,000 ~ 5,000 rpm유지하면서 항균제인 트리클로산(C12H7Cl3O2)을 투입한 후 완전히 용해시키고 반응기온도를 20~30℃로 냉각시켜 본 발명의 직물코팅용 항균투습형 폴리우레탄 수지조성물을 제조한다. 이때 반응기의 온도가 60℃초과시에서는 이오노머의 친수성이 온도상승에 따라 소멸되고 pH 6초과에서는 유화능력이 저하되는바 상기의 조건하에서 사슬연장반응을 통해 유화안정성이 우수한 항균투습형 수용성 폴리우레탄 수지를 제조한다.Thereafter, distilled water was added and the reaction temperature was raised to 50 to 60 ° C. at pH 5.0 to 6.0, and then trichloroic acid (C1 2 H 7 Cl 3 O 2 ), which is an antimicrobial agent, was added while maintaining the stirring speed of the reactor at 4,000 to 5,000 rpm. After complete dissolution and cooling the reactor temperature to 20 ~ 30 ℃ to prepare an antimicrobial moisture-permeable polyurethane resin composition for textile coating of the present invention. At this time, when the temperature of the reactor exceeds 60 ℃, the hydrophilicity of the ionomer disappears as the temperature rises, and the emulsification capacity decreases when the pH is exceeded. The antibacterial moisture-permeable water-soluble polyurethane resin having excellent emulsion stability through chain extension reaction under the above conditions. Manufacture.
상기 트리클로산은 C12H7Cl3O2 (2,4,4-Trichloro-2hydroxyldiphenyl ether)로 서 항균 방취제로 많이 사용하고 있는 화합물로 그람양성균인 포도상구균, 그람음성균인 살모렐라균에 탁월한 효과가 있는 화합물이며 치약 비누 화장품 또는 세제 등의 생활건강 위생용품에 많이 사용되고 있다.The triclosan is a compound widely used as an antibacterial deodorant as C1 2 H 7 Cl 3 O 2 (2,4,4-Trichloro-2hydroxyldiphenyl ether) and has an excellent effect on Gram-positive bacteria, Staphylococcus aureus, and Salmonella, Gram-negative bacteria. It is a compound that is widely used in hygiene products such as toothpaste soap cosmetics or detergents.
상기 프리폴리머는 80~100중량부, 상기 알킬아릴에틸렌옥사이드와 알킬아릴프로필렌옥사이드의 공중합형 이오노머는 10~30중량부, 에틸렌글리콜(EG)은 1 ∼10중량부, 프로필렌글리콜(PG)은 1~10중량부, 증류수는 70~100중량부 및 트리클로산은 1~7중량부인 것이 바람직하다.The prepolymer is 80 to 100 parts by weight, the copolymerized ionomer of the alkylaryl ethylene oxide and alkylaryl propylene oxide is 10 to 30 parts by weight, ethylene glycol (EG) is 1 to 10 parts by weight, propylene glycol (PG) is 1 ~ It is preferable that 10 weight part, distilled water is 70-100 weight part, and triclosan is 1-7 weight part.
본 발명에 의해 유화안정성이 우수한 직물코팅용 항균투습형 수용성 폴리우레탄 수지가 제공된다. 본 발명의 수용성 폴리우레탄 수지를 직물에 코팅 또는 라미네이팅하는 경우에는 직물표면에 필름을 형성하게 되며, 이 필름에 의해 항균투습성이 부여된다. The present invention provides an antimicrobial moisture-permeable water-soluble polyurethane resin for textile coating having excellent emulsion stability. In the case of coating or laminating the water-soluble polyurethane resin of the present invention to form a film on the surface of the fabric, it is given antimicrobial moisture permeability.
이하 다음의 실시 예에서는 본 발명의 직물코팅용 항균투습형 수용성 폴리우레탄 수지의 제조방법에 대한 비한정적인 예시를 하고 있다.Hereinafter, the following examples are given as non-limiting examples of the method for preparing the antimicrobial moisture-permeable polyurethane resin for textile coating of the present invention.
[실시예 1]Example 1
반응기에 디이소시아네이트와 폴리에테르 폴리올의 반응에 의해 생성된 프리폴리머를 90중량부 충전시킨 후, 상기 반응기에 알킬아릴에틸렌옥사이드와 알킬아릴프로필렌옥사이드의 공중합형 이오노머(탄소수12~14 MW=3000)를 15중량부 투입하여 교반한 후, 에틸렌글리콜(EG) 및 프로필렌글리콜(PG)을 차례대로 5중량부씩 투입하여 완전히 용해시킨 후, 증류수 80중량부를 투입하고 pH 5.8에서 반응온도를 60℃로 승온한 후, 상기 반응기의 교반속도를 4,000 rpm으로 유지하면서 항균제인 트리클로산(C12H7Cl3O2)을 5중량부 투입한 후 완전히 용해시킨 후 반응기온도를 20℃로 냉각시켜 미황색 투명액상이고 점도가 200cps이고 음이온성을 띠고 pH 6.0±1인 수용성 폴리우레탄 수지를 제조하였다.After filling the reactor with 90 parts by weight of the prepolymer produced by the reaction of the diisocyanate with the polyether polyol, a copolymerized ionomer of alkylaryl ethylene oxide and alkyl aryl propylene oxide (C12 to 14 MW = 3000) was added to the reactor. After stirring by weight part, ethylene glycol (EG) and propylene glycol (PG) were added in 5 parts by weight in order to dissolve completely, and then 80 parts by weight of distilled water were added and the reaction temperature was raised to 60 ° C. at pH 5.8. While maintaining the stirring speed of the reactor at 4,000 rpm, 5 parts by weight of triclosan (C1 2 H 7 Cl 3 O 2 ), an antimicrobial agent, was completely dissolved, and the reactor temperature was cooled to 20 ° C. A water-soluble polyurethane resin having 200 cps and anionic and pH 6.0 ± 1 was prepared.
상기 제조된 수용성 폴리우레탄 수지를 직물(Nylon 직물 경사 DTY 15 SD,SDY 50D SD, 위사 DTY 15 SD,SDY 50D SD Rib 조직의 박지직물에(폭 50인치, 중량 50 g/yd) 나이프코터를 이용하여 다이렉트 코팅을 한 후 적당한 폭으로 폭출 건조시킨다. 건조시킨 후 직물의 투습도를 KS K0594법에 의해 시험한 결과 상기 직물은 2,200 g/(㎡ㆍ24h)의 투습도를 나타내고 있다.The prepared water-soluble polyurethane resin was used on a fabric (Nylon fabric warp DTY 15 SD, SDY 50D SD, weft DTY 15 SD, SDY 50D SD Rib tissue paper fabric (width 50 inches, weight 50 g / yd) using a knife coater) After direct coating, it is extruded to an appropriate width and dried .. After drying, the moisture permeability of the fabric is tested by the KS K0594 method, and the fabric exhibits a moisture permeability of 2,200 g / (m 2 · 24h).
그러므로 본 발명에 의해 직물에 코팅하는 경우 안정성이 있는 항균성 및 투습성능을 부여할 수 있는 폴리우레탄 수지조성물을 제공할 수 있다.Therefore, according to the present invention, it is possible to provide a polyurethane resin composition capable of imparting stable antimicrobial and moisture permeable performance when coated on a fabric.
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| KR20240040000A (en) | 2022-09-20 | 2024-03-27 | 주식회사 일송글로벌 | Coating fabric and its manufacturing method with enhanced flame retardancy |
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