KR20160095229A - Poly-urethane manufacturing method using n_2 adsorbent - Google Patents

Poly-urethane manufacturing method using n_2 adsorbent Download PDF

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KR20160095229A
KR20160095229A KR1020150015827A KR20150015827A KR20160095229A KR 20160095229 A KR20160095229 A KR 20160095229A KR 1020150015827 A KR1020150015827 A KR 1020150015827A KR 20150015827 A KR20150015827 A KR 20150015827A KR 20160095229 A KR20160095229 A KR 20160095229A
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adsorbent
polyurethane
present
foam
adsorbed
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KR1020150015827A
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Korean (ko)
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노춘수
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주식회사 우레아텍
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F7/16—
    • 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
    • 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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00—Manufacture of cellular products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/022—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments premixing or pre-blending a part of the components of a foamable composition, e.g. premixing the polyol with the blowing agent, surfactant and catalyst and only adding the isocyanate at the time of foaming
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/06—CO2, N2 or noble gases

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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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

The present invention relates to a method for producing polyurethane using an N_2-adsorbed adsorbent, intended to produce urethane foam by putting the N_2-adsorbed adsorbent into a polyol tank, stirring/mixing the same at the fixed rate, transferring the same to a foaming device, and then carrying out a reaction with methylene diphenyl diisocyanate (MDI). According to the present invention, it is possible to remarkably reduce defects due to improved quality of products, by enhancing density, thermal conductivity, compressibility, flexural rigidity, and independent void fraction of the urethane foam.

Description

Ｎ₂가 흡착된 흡착제를 이용한 폴리우레탄 제조방법{poly-urethane manufacturing method using Ｎ₂ adsorbent}[0001] The present invention relates to a method for producing a polyurethane using an adsorbent having adsorbed N2 ({poly-urethane manufacturing method using N2 adsorbent}

본발명은 N2가 흡착된 흡착제를 이용한 폴리우레탄 제조방법에 관한 것으로, The present invention relates to a process for producing polyurethane using an adsorbent on which N 2 is adsorbed,

특히 냉장고 케이스용 폴리우레탄폼을 생산하는 발포방법에 적용되는 것이다.And particularly to a foaming method for producing a polyurethane foam for a refrigerator case.

일반적으로 폴리우레탄은 연질폼과 경질폼이 있으며, 연질폼은 외형이 부드러우며, 외부의 힘에 의해 변형되더라도 쉽게 복원되고 주로 쿠션재, 흠음재 등에 사용된다.Generally, polyurethane has a soft foam and a hard foam. The soft foam has a soft appearance and is easily restored even if it is deformed by an external force, and is mainly used for a cushioning material, an impregnation material and the like.

경질폼은 외형이 딱딱하며 외부의 힘이 가해지면 원래 형태로 복원이 어렵고 주로 단열재, 충전재 등에 사용된다.Rigid foam is difficult to restore to its original form if external force is applied and it is mainly used for insulation materials and fillers.

특히, 경질폼은 closed cell 구조로서, 미세하고 막힌 벌집모양의 셀구조와 셀내부에 존재하는 열전도도가 낮은 가스에 의해 우수한 단열성질을 갖고 있다.In particular, the rigid foam is a closed cell structure, and has excellent insulating properties due to a fine, clogged honeycomb-like cell structure and gas having low thermal conductivity inside the cell.

종래기술로서, 공개특허공보 특1999-0052587에는 본 발명은 냉장고용 단열재로 사용되는 폴리우레탄의 발포제 및 그 발포방법에 관한 것으로, 이산화탄소(CO2), 질소(N2), 아르곤(Ar), 네온(Ne), 헬륨(He) 으로 구성되는 가스 그룹에서 선택된 어느 하나가 폴리올(polyol)에 포화되는 것을 폴리우레탄의 발포제로 하며, 이러한 물리적 발포제로 사용되는 가스의 그룹에서 선택된 어느 하나를 0 ~ 3 기압 정도의 압력으로 폴리올에 포화시킨 후에, 레이놀즈수가 200 이상되는 고압발포용 노즐을 통하여 믹스헤드 내부로 분사하여 이들의 충돌 혼합을 유도한 후, 금형의 캐비티 내부로 사출하는 순간 게이트 입구부분에서 초음파를 가진토록 하여 폴리우레탄을 미세포 포움으로 형성하여 핵생성은 우수하되 핵의 성장은 억제토록 함으로써 환경을 오염시키는 가스의 배출은 배제토록 함과 동시에 단열성능 및 흡음성은 향상되도록 한 발포제 및 그 발포방법에 관한 것이 공개되어 있다.The present invention relates to a foaming agent for polyurethane used as a heat insulating material for a refrigerator and a foaming method thereof, and more particularly, to a foaming agent for a polyurethane foam which is used as a heat insulating material for a refrigerator and which comprises carbon dioxide (CO 2 ), nitrogen (N 2 ) Neon (Ne), and helium (He) is saturated with a polyol is referred to as a blowing agent of polyurethane. Any one selected from the group of gases used as the physical blowing agent may be used as a blowing agent, After the polyol is saturated at a pressure of about 3 atm, it is injected into the mix head through a high-pressure foaming nozzle having a number of Reynolds number of 200 or more to induce impingement of the mixture. Then, at the moment of injection into the cavity of the mold, With ultrasound, the polyurethane is formed into a microcellular foam, so that the nucleation is excellent but the growth of the nucleus is inhibited. A foaming agent and a method of foaming the foaming agent so as to improve the heat insulation performance and the sound absorption property.

한편, 등록특허공보 등록번호 10-1031023호에는 독립한 복수의 기포 및/또는 연속하고 있는 복수의 기포를 형성시키는 발포체 및 그 제조방법에 관한 것으로, 특히 기포 지름이 10㎛ 이하, 나아가서는 1㎛ 이하의 미세 기포 발포체에 있어서, 원하는 두께, 형상, 및 발포 구조를 가지는 미세 기포 발포체의 제조 방법에 관한 것이다. 활성 에너지 선의 작용에 의해 산을 발생하는 산 발생제 또는 염기를 발생하는 염기 발생제를 함유하며, 나아가서, 산 또는 염기와 반응하여 한 종류 이상의 저비등점 휘발성 물질을 분해 탈리하는 분해 발포성 작용기를 가지는 화합물을 함유하는 발포성 조성물에 활성 에너지 선을 조사하는 조사 공정과, 상기 저비등점 휘발 물질이 분해 탈리하는 온도 영역에 있어서 압력 제어하에서 발포되는 발포 공정을 포함하는 발포체의 제조 방법이 제공되는 것이 공개되어 있다.On the other hand, the registered patent publication No. 10-1031023 relates to a foam for forming independent bubbles and / or a plurality of continuous bubbles and a method for producing the same, and more particularly to a foam having a bubble diameter of 10 탆 or less, The present invention relates to a process for producing a microbubble foam having a desired thickness, shape, and foam structure in the following microbubble foam. An acid generator which generates an acid by the action of an active energy ray or a base generator which generates a base and further a compound having a decomposing foamable functional group which decomposes and desorbs one or more kinds of low boiling point volatile substances by reaction with an acid or a base And a foaming step of foaming under pressure control in a temperature region where the low-boiling point volatile matter decomposes and desorbs, is disclosed in Japanese Patent Application Laid-Open .

곧, 전세계적으로 현존하는 단열제품 중 단열효과를 얻기 위해 보편적으로 여러 분야에 사용되는 제품은 폴리우레탄이며, 폴리우레탄은 Polyol과 Isocynate의 화학반응에 의해 얻어진다. Soon, it is polyurethane which is universally used in various fields to obtain the adiabatic effect of existing insulation products all over the world, and polyurethane is obtained by chemical reaction of Polyol and Isocynate.

그러나 발포제로는 CFC계통의 R11, HCHC계통의 R141b, HFC계통의 R245fa, Cyclo-pentane 등 다양한 종류가 사용되고 있으나 N2를 발포제로 사용하기에는 화학적 결합이 안되어 물성의 안정성과 불균일성으로 사용이 어려운 단점이 있다.However, various foaming agents such as CFC-based R11, HCHC-based R141b, HFC-based R245fa, and Cyclo-pentane are used. However, since N 2 is not used as a foaming agent, it is difficult to use because of its chemical stability and unevenness. have.

따라서 본발명은 상기와 같은 문제점을 해결하고자 안출된 것으로서, 우레탄폼의 밀도, 열전도율, 압축, 굴곡강도 및 독립기포율이 향상되어 제품품질이 향상되며 불량이 감소되는 N2가 흡착된 흡착제를 이용한 폴리우레탄 제조방법을 제공하고자 하는 것이다.SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an adsorbent comprising N 2 adsorbed to improve the quality of the urethane foam by improving the density, thermal conductivity, compression, flexural strength, And to provide a polyurethane production method.

본발명은 N2가 흡착된 흡착제를 이용한 폴리우레탄 제조방법에 관한 것으로, N2가 흡착된 흡착제를 폴리올 탱크에 넣고 일정속도로 교반/ 혼합후 발포기로 이송하여 MDI와 반응시켜 우레탄 폼을 제조하는 것을 특징으로 한다.The present invention relates to a process for producing a polyurethane using an adsorbent having adsorbed N 2 , wherein an adsorbent adsorbing N 2 is placed in a polyol tank, stirred / mixed at a constant rate and transferred to a foaming machine to react with MDI to produce a urethane foam .

따라서 본발명은 우레탄폼의 밀도, 열전도율, 압축, 굴곡강도 및 독립기포율이 향상되어 제품품질이 향상되며 불량이 감소되는 현저한 효과가 있다.Accordingly, the present invention has a remarkable effect that the density, thermal conductivity, compression, flexural strength and closed cell ratio of the urethane foam are improved to improve the product quality and reduce defects.

도 1은 본발명 N2가 흡착된 흡착제를 이용한 폴리우레탄 제조방법의 흐름도1 is a flowchart of a method for producing a polyurethane using an adsorbent to which the present invention N 2 is adsorbed

본발명은 N2가 흡착된 흡착제를 이용한 폴리우레탄 제조방법에 관한 것으로, N2가 흡착된 흡착제를 폴리올 탱크에 넣고 일정속도로 교반/ 혼합후 발포기로 이송하여 MDI와 반응시켜 우레탄 폼을 제조하는 것을 특징으로 한다.The present invention relates to a process for producing a polyurethane using an adsorbent having adsorbed N 2 , wherein an adsorbent adsorbing N 2 is placed in a polyol tank, stirred / mixed at a constant rate and transferred to a foaming machine to react with MDI to produce a urethane foam .

또한, 상기 흡착제는 제올라이트 또는 MOF인 것을 특징으로 한다.Further, the adsorbent is characterized by being zeolite or MOF.

본발명을 첨부도면에 의해 상세히 설명하면 다음과 같다. 도 1은 본발명 N2가 흡착된 흡착제를 이용한 폴리우레탄 제조방법의 흐름도이다.The present invention will be described in detail with reference to the accompanying drawings. 1 is a flow chart of a method for producing polyurethane using an adsorbent to which the present invention N 2 is adsorbed.

흡착탑에 흡착제를 투입하고 세팅한다.Put the adsorbent on the adsorption tower and set it.

흡착제는 제올라이트 또는 MOF를 사용하며, 발포가스는 N2를 사용한다. Zeolite or MOF is used as the adsorbent, and N 2 is used as the bubbling gas .

일정량의 흡착제를 2“베드에 투입하고 N2를 흡착시킨다. N2가 흡착된 흡착제를 폴리올 탱크에 넣고 일정속도로 교반/ 혼합후 발포기로 이송하여 MDI와 반응시켜 우레탄 폼을 제조한다. A certain amount of adsorbent is put into the 2 " bed and adsorbs N 2 . The adsorbent adsorbed with N 2 is placed in a polyol tank, stirred / mixed at a constant rate, transferred to a foaming machine, and reacted with MDI to prepare a urethane foam.

따라서 본발명은 우레탄폼의 밀도, 열전도율, 압축, 굴곡강도 및 독립기포율이 향상되어 제품품질이 향상되며 불량이 감소되는 현저한 효과가 있다.Accordingly, the present invention has a remarkable effect that the density, thermal conductivity, compression, flexural strength and closed cell ratio of the urethane foam are improved to improve the product quality and reduce defects.

10 : {질소 +(제올라이트 또는 MOF)}탱크
20 : 폴리올 탱크
30 : 모터10: {nitrogen + (zeolite or MOF)} tank
20: Polyol tank
30: Motor

Claims (2)

N2가 흡착된 흡착제를 폴리올 탱크에 넣고 일정속도로 교반/ 혼합후 발포기로 이송하여 MDI와 반응시켜 우레탄 폼을 제조하는 것을 특징으로 하는 N2가 흡착된 흡착제를 이용한 폴리우레탄 제조방법The adsorbent adsorbed with N 2 is placed in a polyol tank, stirred / mixed at a constant rate, transferred to a foaming machine, and reacted with MDI to produce a urethane foam. The polyurethane production method using N 2 adsorbed adsorbent 제1항에 있어서, 상기 흡착제는 제올라이트 또는 MOF인 것을 특징으로 하는 N2가 흡착된 흡착제를 이용한 폴리우레탄 제조방법The method of claim 1, wherein the sorbent method of producing a polyurethane by the N 2 adsorption adsorbent, characterized in that the zeolite or MOF
KR1020150015827A 2015-02-02 2015-02-02 Poly-urethane manufacturing method using n_2 adsorbent KR20160095229A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200000728A (en) * 2018-06-25 2020-01-03 한국생산기술연구원 Self-crosslinking type water dispersing polyurethane composition for removing chemical warefare agents and method of preparing the same
KR20200000712A (en) * 2018-06-25 2020-01-03 한국생산기술연구원 Water dispersing polyurethane composition for removing chemical warefare agents and method of preparing the same
KR20200114459A (en) * 2019-03-28 2020-10-07 한국생산기술연구원 Self-crosslinking type water dispersing polyurethane laminate film for removing chemical warfare agents and method of preparing the same
CN117186828A (en) * 2023-11-08 2023-12-08 广州声博士声学技术有限公司 Damping vibration attenuation and sound insulation airtight adhesive and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200000728A (en) * 2018-06-25 2020-01-03 한국생산기술연구원 Self-crosslinking type water dispersing polyurethane composition for removing chemical warefare agents and method of preparing the same
KR20200000712A (en) * 2018-06-25 2020-01-03 한국생산기술연구원 Water dispersing polyurethane composition for removing chemical warefare agents and method of preparing the same
KR20200114459A (en) * 2019-03-28 2020-10-07 한국생산기술연구원 Self-crosslinking type water dispersing polyurethane laminate film for removing chemical warfare agents and method of preparing the same
CN117186828A (en) * 2023-11-08 2023-12-08 广州声博士声学技术有限公司 Damping vibration attenuation and sound insulation airtight adhesive and preparation method thereof
CN117186828B (en) * 2023-11-08 2024-01-12 广州声博士声学技术有限公司 Damping vibration attenuation and sound insulation airtight adhesive and preparation method thereof

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