KR0149481B1 - Polyurethan resin composition for fiber - Google Patents
Polyurethan resin composition for fiberInfo
- Publication number
- KR0149481B1 KR0149481B1 KR1019940025920A KR19940025920A KR0149481B1 KR 0149481 B1 KR0149481 B1 KR 0149481B1 KR 1019940025920 A KR1019940025920 A KR 1019940025920A KR 19940025920 A KR19940025920 A KR 19940025920A KR 0149481 B1 KR0149481 B1 KR 0149481B1
- Authority
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- South Korea
- Prior art keywords
- diol
- resin composition
- polyurethane resin
- present
- composition
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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
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Artificial Filaments (AREA)
Abstract
본 발명은 유기디이소시아네이트(A), 고분자 디올(B), 저분자디올(C) 및 유기용매(D)로 구성되고, 유기디이소시아네이트 성분(A)은 (A) : (B) + (C)의 몰비가 0.9∼1.1이 되도록 첨가되고, 고분자 디올과 저분자 디올 성분은 (B) : (C) = 0.5∼2.0의 몰비를 갖도록 하며 유기용매(D)는 전체 조성물의 양에 대하여 60∼90 중량%로 투입 조성됨을 특징으로 하는 섬유가공용 폴리우레탄 수지조성물을 제공하는 것으로, 본 발명의 섬유가공용 폴리우레탄 수지조성물을 제공하는 것으로, 본 발명의 섬유가공용 폴리우레탄 수지조성물은 섬유가공용 폴리우레탄수지로서 필요한 내가수분해성, 연질성, 탄성등의 제반 물성을 구비함과 동시에 향상된 내열성을 갖는다.The present invention consists of an organic diisocyanate (A), a polymer diol (B), a low molecular diol (C) and an organic solvent (D), wherein the organic diisocyanate component (A) is (A): (B) + (C) The molar ratio of 0.9 to 1.1 is added, the polymer diol and the low molecular weight diol component is to have a molar ratio of (B): (C) = 0.5 to 2.0, the organic solvent (D) is 60 to 90% by weight of the total composition To provide a polyurethane resin composition for fiber processing, characterized in that the composition is added in%, to provide a polyurethane resin composition for fiber processing of the present invention, the polyurethane resin composition for fiber processing of the present invention is required as a polyurethane resin for fiber processing It has various physical properties such as hydrolysis resistance, softness and elasticity, and has improved heat resistance.
Description
본 발명은 섬유가공용 폴리우레탄 수지조성물에 관한 것으로, 좀 더 상세하게는 섬유가공용 폴리우레탄수지로서 필요한 내가수분해성, 연질성, 탄성등의 제반 물성을 구비함과 동시에 향상된 내열성을 갖는 섬유가공용 폴리우레탄 수지조성물에 관한 것이다.The present invention relates to a polyurethane resin composition for fiber processing, and more particularly, to a fiber processing polyurethane having improved heat resistance while having various physical properties such as hydrolysis resistance, softness, and elasticity required as a polyurethane resin for fiber processing. It relates to a resin composition.
종래 기술에 의해 제조되는 폴리에스터 섬유가공용 폴리우레탄 수지조성물은 섬유가공용 폴리우레탄 수지의 필요 물성인 내가수분해성, 연질성, 탄성등은 양호한 수준이었으나, 내열성이 낮아 폴리에스터섬유의 염색과정에서 물성이 저하되는 문제점을 갖고 있었다.Polyurethane resin composition for polyester fiber processing prepared by the prior art had good levels of hydrolysis resistance, softness, and elasticity, which are necessary properties of polyurethane resin for fiber processing, but due to low heat resistance, physical properties in the dyeing process of polyester fiber It had a problem of deterioration.
본 발명은 상기한 종래 기술의 문제점을 해결하기 위한 것으로, 내열성이 향상되어 염색공정을 거친 후에도 상기한 제반 물성을 그대로 보유하는 폴리우레탄수지 조성물을 제공하는 것이다.The present invention is to solve the problems of the prior art, it is to provide a polyurethane resin composition that retains the above-mentioned physical properties even after the heat resistance is improved and the dyeing process.
즉, 본 발명은 유기디이소시아네이트(A), 고분자 디올(B), 저분자디올(C) 및 유기용매(D)로 구성되고, 유기디이소시아네이트 성분(A)은 (A) : (B) + (C)의 몰비가 0.9∼1.1이 되도록 첨가되고, 고분자 디올과 저분자 디올 성분은 (B) : (C) = 0.5∼2.0의 몰비를 갖도록 하며 유기용매(D)는 전체 조성물의 양에 대하여 60∼90 중량%로 투입 조성됨을 특징으로 하는 섬유가공용 폴리우레탄 수지조성물을 제공하는 것이다.That is, this invention consists of organic diisocyanate (A), polymeric diol (B), low molecular diol (C), and an organic solvent (D), and an organic diisocyanate component (A) is (A): (B) + ( The molar ratio of C) is added so as to be 0.9 to 1.1, and the polymer diol and the low molecular diol component have a molar ratio of (B): (C) = 0.5 to 2.0, and the organic solvent (D) is 60 to the amount of the total composition. It is to provide a polyurethane resin composition for fiber processing, characterized in that the composition is added to 90% by weight.
본 발명에서 유기디이소시아네이트(A) 성분은 일반적으로 섬유가공용 폴리우레탄을 제조하는 경우에 많이 사용되는 4,4-디페닐메탄디이소시아네이트를 비롯한 방향족 디이소시아네이트와 1,6-헥사메틸렌디이소시아네이트를 비롯한 지방족 디이소시아네이트, 그리고 이소포론디이소시아네이트를 비롯한 지환족 디이소시아네이트중에서 선택하여 사용한다. 이러한 유기디이소시아네이트 성분(A)의 투입 몰수는 고분자 디올의 몰수와 저분자 디올의 몰수를 합한 값에 대하여 0.9∼1.1이 되도록 하는 것이 바람직하다.In the present invention, the organic diisocyanate (A) component generally includes aromatic diisocyanates including 4,4-diphenylmethane diisocyanate and 1,6-hexamethylene diisocyanate, which are commonly used when preparing polyurethane for fiber processing. It is selected from aliphatic diisocyanate and alicyclic diisocyanate including isophorone diisocyanate. The number of moles of the organic diisocyanate component (A) is preferably 0.9 to 1.1 with respect to the sum of the number of moles of the polymer diol and the number of moles of the low molecular diol.
본 발명에서 고분자 디올(B)로서는 폴리테트라메틸렌글리콜등의 에테르계 고분자 디올 또는 폴리테트라메틸렌아디페이트등의 에스테르계 고분자 디올로서, 분자량 1500∼3000 사이의 것을 사용하는 것을 특징으로 한다. 분자량이 1500 미만이면 연질성이 저하되고, 3000 이상이면 탄성이 저하되어 바람직하지 않다.In the present invention, as the polymer diol (B), an ether polymer diol such as polytetramethylene glycol or an ester polymer diol such as polytetramethylene adipate may be used having a molecular weight of 1500 to 3000. If molecular weight is less than 1500, softness will fall, and if it is 3000 or more, elasticity will fall and it is unpreferable.
본 발명에서 저분자 디올(C)로서는 한 분자당 벤젠고리 또는 탄소수 4개 이상의 사이클로알칸이 한 개 이상 포함되어 있고, 두 개의 히드록시기 사이에 세개 이상의 탄소가 존재하는 구조의 것을 사용함을 특징으로 한다. 이러한 저분자 디올에는 비스하이드록시에톡시벤젠, 4,4-바이페놀, 비스테놀-A, 하이드로퀴논, 디하이드록시-m-디이소프로필벤젠등이 있다. 본 발명에서 고분자 디올과 저분자 디올은 (B) : (C)의 몰비가 0.5∼2.0이 되도록 투입한다.In the present invention, as the low molecular diol (C), one or more benzene rings or one or more cycloalkanes having 4 or more carbon atoms are contained per molecule, and a structure having three or more carbons between two hydroxy groups is used. Such low molecular diols include bishydroxyethoxybenzene, 4,4-biphenol, bistenol-A, hydroquinone, dihydroxy-m-diisopropylbenzene and the like. In the present invention, the polymer diol and the low molecular diol are added so that the molar ratio of (B) :( C) is 0.5 to 2.0.
본 발명에서 사용하는 유기용매로는 일반적으로 폴리우레탄의 용매로 많이 사용되는 N,N-디메틸포름아미드를 비롯한 어떠한 폴리우레탄용 용매도 사용할 수 있다. 사용하는 용매의 양은 전체 조성물에 대해서 60∼90 중량%인 것이 바람직하다.As the organic solvent used in the present invention, any polyurethane solvent, including N, N-dimethylformamide, which is generally used as a solvent of polyurethane, can be used. It is preferable that the quantity of the solvent to be used is 60-90 weight% with respect to the whole composition.
본 발명의 섬유가공용 폴리우레탄 수지조성물은 섬유가공용 폴리우레탄수지로서 필요한 내가수분해성, 연질성, 탄성등의 제반 물성을 구비함과 동시에 향상된 내열성을 갖는다.The polyurethane resin composition for fiber processing of the present invention has various properties such as hydrolysis resistance, softness, and elasticity required as a polyurethane resin for fiber processing and has improved heat resistance.
이하에 실시예를 들어 본 발명을 상세히 설명한다. 하기 실시예는 본 발명을 설명하기 위한 것으로 그에 의하여 본 발명의 사상 및 범주가 제한되지 않는다.An Example is given to the following and this invention is demonstrated to it in detail. The following examples are provided to illustrate the present invention, thereby not limiting the spirit and scope of the present invention.
[실시예 1]Example 1
폴리우레탄 조성물의 원료와 중합방법을 하기 표1의 내용과 같이 하여 외부와 차단된 반응기내에서 80℃를 유지하며 분당 60회의 회전수로 교반시키면서 원숏방법에 의해 중합반응을 진행시킨 후, 합성된 폴리우레탄을 4,4-디메틸포름아미드에 용해시킨 12 중량% 용액에 나일론 0.05 데니아 극세사로 제조한 기포를 함침 및 수중응고시켜 인공피혁을 제조하고 그 물성을 평가한 결과를 하기 표2에 나타내었다.The raw material and the polymerization method of the polyurethane composition were synthesized after the polymerization reaction was carried out by a one-shot method while maintaining 80 ° C. in a reactor blocked from the outside as described in Table 1 below while stirring at 60 revolutions per minute. A synthetic leather was prepared by impregnating a bubble made of nylon 0.05 denia microfiber into a 12 wt% solution of polyurethane dissolved in 4,4-dimethylformamide and coagulating in water, and the results of the evaluation of the physical properties are shown in Table 2 below. .
[실시예 2]Example 2
저분자 디올로서 4,4-바이페놀을 사용한 것외에는 실시예 1과 동일한 방법으로 인공피혁을 제조하고 그 물성을 평가한 결과를 하기 표2에 함께 나타내었다.Except for using 4,4-biphenol as a low-molecular diol, the artificial leather was prepared in the same manner as in Example 1 and the results of the evaluation of the physical properties are shown in Table 2 together.
[실시예 3]Example 3
저분자 디올로서 하이드로퀴논을 사용한 것외에는 실시예 1과 동일한 방법으로 인공피혁을 제조하고 그 물성을 평가한 결과를 하기 표2에 함께 나타내었다.Except for using hydroquinone as a low-molecular diol, artificial leather was prepared in the same manner as in Example 1, and the results of the evaluation of the physical properties are shown in Table 2 below.
[비교예 1]Comparative Example 1
저분자 디올로서 1,4-부탄디올을 사용한 것외에는 실시예 1과 동일한 방법으로 인공피혁을 제조하고 그 물성을 평가한 결과를 하기 표2에 함께 나타내었다.Except for using 1,4-butanediol as a low-molecular diol, the artificial leather was prepared in the same manner as in Example 1 and the results of the evaluation of the physical properties are shown in Table 2 together.
[비교예 2]Comparative Example 2
저분자 디올로서 에틸렌글리콜을 사용한 것외에는 실시예 1과 동일한 방법으로 인공피혁을 제조하고 그 물성을 평가한 결과를 하기 표2에 함께 나타내었다.Except for using ethylene glycol as a low molecular diol prepared artificial leather in the same manner as in Example 1 and the results of the evaluation of the physical properties are shown in Table 2 together.
[비교예 3]Comparative Example 3
저분자 디올로서 1,6-헥산디올을 사용한 것외에는 실시예 1과 동일한 방법으로 인공피혁을 제조하고 그 물성을 평가한 결과를 하기 표2에 함께 나타내었다.Except for using 1,6-hexanediol as a low-molecular diol, the artificial leather was prepared in the same manner as in Example 1 and the results of the evaluation of the physical properties are shown in Table 2 together.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940025920A KR0149481B1 (en) | 1994-10-10 | 1994-10-10 | Polyurethan resin composition for fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940025920A KR0149481B1 (en) | 1994-10-10 | 1994-10-10 | Polyurethan resin composition for fiber |
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| Publication Number | Publication Date |
|---|---|
| KR960014255A KR960014255A (en) | 1996-05-22 |
| KR0149481B1 true KR0149481B1 (en) | 1998-10-15 |
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| KR100413466B1 (en) * | 2001-11-23 | 2004-01-03 | 엘지전자 주식회사 | Method for Urgent Braking Automation Type Washing Machine |
| KR100425113B1 (en) * | 2001-11-23 | 2004-03-30 | 엘지전자 주식회사 | Method for General Braking Automation Type Washing Machine |
| KR101039452B1 (en) * | 2003-12-26 | 2011-06-07 | 엘지전자 주식회사 | Method and apparatus for controlling a motor of inverter washing machine |
| KR101037154B1 (en) * | 2004-04-23 | 2011-05-26 | 엘지전자 주식회사 | Braking control method of washing machine |
| KR102281345B1 (en) * | 2017-07-31 | 2021-07-23 | 엘지전자 주식회사 | A control circuit for driving a motor and a control method of a laundry treating apparatus including the control circuit. |
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