WO2020057840A1 - Mousse de polyuréthane et son procédé de production et dispositif de refroidissement - Google Patents

Mousse de polyuréthane et son procédé de production et dispositif de refroidissement Download PDF

Info

Publication number
WO2020057840A1
WO2020057840A1 PCT/EP2019/070685 EP2019070685W WO2020057840A1 WO 2020057840 A1 WO2020057840 A1 WO 2020057840A1 EP 2019070685 W EP2019070685 W EP 2019070685W WO 2020057840 A1 WO2020057840 A1 WO 2020057840A1
Authority
WO
WIPO (PCT)
Prior art keywords
polyurethane foam
catalyst
unit
mixture
polyol
Prior art date
Application number
PCT/EP2019/070685
Other languages
English (en)
Inventor
Tugce ONER
Orcun YUCEL
Yusuf YUSUFOGLU
Cahit Can CANAKCI
Sefa Yasin UZEN
Original Assignee
Arcelik Anonim Sirketi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to EP19749692.0A priority Critical patent/EP3853296A1/fr
Publication of WO2020057840A1 publication Critical patent/WO2020057840A1/fr

Links

Classifications

    • 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • C08J9/14—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 organic
    • C08J9/141—Hydrocarbons
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • 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
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2401/02—Cellulose; Modified cellulose
    • 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
    • C08J2497/00—Characterised by the use of lignin-containing materials
    • C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0028—Use of organic additives containing nitrogen

Definitions

  • the present invention relates to a polyurethane foam, to the production method of the polyurethane foam and a cooling device comprising the polyurethane foam.
  • Polyurethane foams have very good adiabatic properties. Thanks to their high thermal insulation properties, they are commonly used in building insulation in the construction sector and in cooling systems such as refrigerators, deep freezers, etc.
  • the polyurethane foams are divided into the groups, which are hard and soft, and during the production stage, the main reaction occurs via the polyol mixed with isocyanate and blowing agent earlier on. Additionally, catalysts, nucleating agents, surfactants and other chemicals can be used as additives. Improving especially the thermal properties of the polyurethane foam is related to the total thermal conductivity coefficient. The insulation value of said material is increased by using components therein with low thermal conductivity coefficients.
  • Said gas thermal conductivity vale ( ⁇ gas ) is directly related to the blowing agent added in to the polyurethane foam.
  • the most common blowing agent today is cyclopentane. The most important reason of this is the minimum effect of the agent on ozone depletion and global warming.
  • the thermal conductivity coefficient of the cyclopentane which is 12 mW/mK cannot meet the requirements of the systems with high energy efficiency which are increasingly used with each passing day. Therefore, in the polyurethane foams, the compounds are required to be improved with compounds in addition to the blowing agent, which in turn requires innovations.
  • the most common nucleating agents are used to increase the closed cell ratio in the polyurethane foam and to improve the thermal properties of the polyurethane foam so as to provide said developments.
  • the thermal properties of the foam are improved.
  • the nucleating agents currently used cannot provide sufficiently effective solutions.
  • a refrigerator characterized by the polyurethane foam having a hydroxyl group comprising nanosized and microsized linen fiber, cellulose fiber, etc.
  • the aim of the present invention is the realization of a polyurethane foam with improved material properties (thermal, mechanic, etc.), of the production method of said polyurethane foam, and of a cooling device comprising the polyurethane foam.
  • the polyurethane foam realized to attain the aim of the present invention comprises at least one surfactant and at least one catalyst and at least one polyol which is mixed with water and at least one cyclopentane or mixture of isobutane/cyclopentane and at least one isocyanate as blowing agent and microcrystalline cellulose as the nucleating agent.
  • mechanical properties such as thermal insulation performance and
  • Base polyol defines only the polyol.
  • Polyol mixture defines a mixture comprising at least one polyol mixed with at least one surfactant and at least one catalyst and water.
  • a component defines the polyol mixture and cyclopentane or polyol mixture and isobutane/cyclopentane mixture.
  • B component defines the isocyanate compounds completing the reaction.
  • microcrystalline cellulose in the polyurethane foam disperses in the polyurethane in an easy and homogeneous manner, and thus a material with equal properties at every region is obtained.
  • the polyurethane foam of the present invention comprises the surfactant which is 2% to 5% of the polyol mixture by weight.
  • the surfactant in the polyurethane foam is about 2 to 3 times the catalyst by weight.
  • the polyol mixture in the first step of the production of the polyurethane foam comprises at least one of the blowing catalyst and/or gel catalyst and/or trimer catalyst or the mixture thereof.
  • the polyol mixture comprises at least one catalyst which is mixed by 0.5 to 5% by weight.
  • the polyurethane foam is formed in a quick and efficient manner.
  • methylene diisocyanate as isocyanate component (B component).
  • B component methylene diisocyanate
  • the polyurethane foam comprises water which is 2% of the polyol mixture by weight.
  • the components in the polyol mixture are enabled to easily disperse in each other.
  • the polyurethane foam of the present invention is used in cooling devices as insulation material.
  • the polyurethane foams are materials which are obtained by mixing the polyol, already mixed with cyclopentane, with isocyanate, and which are used as insulation material.
  • the polyurethane foam of the present invention comprises
  • composition of the polyurethane foam of the present invention cell formation in the polyurethane foam increases, and thus thermal conductivity is enabled to significantly decrease. Consequently, as the thermal conductivity coefficient decreases, a more efficient insulation is provided.
  • the base polyol is the main component required for the polyurethane foam reaction.
  • polyether polyol or polyester polyol is used as base polyol. The use of said components provides ease of production and cost advantage.
  • the surfactant in the polyol mixture in the polyurethane foam of the present invention is a siloxane-based surfactant which decreases the surface energy of the mixture, for the base polyol which has a molecular weight of 400-800 g/mol.
  • a siloxane-based surfactant which decreases the surface energy of the mixture, for the base polyol which has a molecular weight of 400-800 g/mol.
  • the ratio of the surfactant is between 2% to 5%.
  • the fluidity and thermal conductivity coefficient values of the resulting material are enabled to be optimum.
  • the catalysts in the polyol mixture in the polyurethane foam of the present invention are selected from at least one of the blowing catalyst and/or gel catalyst and/or trimer catalyst or the mixture thereof. By means of said catalysts, the reactions are performed in the desired time and conditions.
  • metal-based catalysts are ignored, and amine-based catalysts are used as reaction catalyst.
  • Said catalysts are selected from at least one of the bis(2-dimethylaminoethyl) (methyl) amine (C 9 H 23 N 3 based) and/or cyclohexyldimethylamine (C 8 H 17 N based) and/or N,N,N’,N’,N’’,N’’-Hexamethyl-1,3,5-triazine-1,3,5 (2H,4H,6H)-tripropanamine (C 18 H 42 N 6 ) or the mixture thereof.
  • the catalysts in the polyurethane foam of the present invention are 0.5% to 5% of the total polyol mixture by weight.
  • the range given for said ratio enables the reaction to be performed with the desired efficiency and under desired conditions.
  • the polyurethane foam of the present invention comprises Tegostab® as surfactant, Polycat® 5 as blowing catalyst, Polycat® 41 as gel catalyst and Polycat® 8 as trimer catalyst.
  • Tegostab® as surfactant
  • Polycat® 5 as blowing catalyst
  • Polycat® 41 as gel catalyst
  • Polycat® 8 as trimer catalyst.
  • the general advantage of the specific surfactant and catalysts used is to provide fluidity in the reaction, to accelerate the reaction in the desired time, and to enable the components to be mixed well.
  • the surfactant is 2-3 times the total catalyst weight.
  • the materials in the components of the polyurethane foam are enabled to be mixed well, providing a desired fluidity value.
  • the water in the polyol mixture in the polyurethane foam of the present invention is used as mixing agent/solvent.
  • the polyurethane foam of the present invention comprises high-purity cyclopentane or isobutane/cyclopentane mixture as blowing gas.
  • a closed cell ratio of 95% or above is obtained, and the insulation properties of the material are brought up to desired levels.
  • the B component is the component which provides the completion of the reaction for the A component (cyclopentane or isobutane/cyclopentane mixed with polyol mixture) with added microcrystal and which provides the curing of the polyurethane foam.
  • the B component is the conventional methylene diphenyl isocyanate.
  • the polyurethane foam comprises 1.3-1.5 unit conventional methylene diphenyl diisocyanate in a 1 unit polyol mixture.
  • the mechanical properties of the polyurethane foam material are optimized.
  • the polyurethane foam of the present invention comprises microcrystalline cellulose as nucleating agent.
  • the curing process of the polyurethane is accelerated and the polyurethane foam form is obtained more quickly.
  • the homogeneous dispersion of the microcrystalline cellulose in the polyurethane becomes homogeneous.
  • a material with the same properties at every region is obtained.
  • microcrystalline cellulose increases cell formation in the polyurethane foam of the present invention.
  • thermal conductivity decreases and the polyurethane foam gains better insulation properties.
  • the effect value (length/width ratio) of the microcrystalline cellulose is 3:2 and the diameter thereof is between 0.6 to 1.5 microns. Said values provide the polyurethane foam with better thermal insulation properties, and contribute to the homogeneous mixing of the components.
  • the polyol mixture comprises, for 100 unit bas polyol, 2-2.5 unit surfactant, 0.4-1 unit blowing catalyst, 2-3 unit gel catalyst, 0.6-0.8 unit trimer catalyst and 1-2 unit pure water.
  • the resulting polyol mixture is defined as 1 unit polyol mixture.
  • the A component in order to form the A component, 14-17 unit cyclopentane is added to the 1 unit polyol mixture.
  • 0.2 to 3 unit microcrystalline cellulose is added to the A component.
  • the microcrystalline cellulose added as nucleating agent cell formation in the polyurethane foam is increased while the thermal conductivity is decreased.
  • 1.3-1.5 unit isocyanate is added to 1 unit polyol mixture, thus forming the polyurethane foam.
  • the production method of the polyurethane foam of the present invention comprises the steps of
  • a polyurethane foam with improved thermal insulation and homogeneous pore dispersion is obtained.
  • a polyurethane foam with a compressive strength of 130 kPa-140 kPa can be obtained.
  • ultrasonification and/or gravitational and/or mechanical stirrers are used to efficiently mix the microcrystalline cellulose with the A component.
  • the thermal conductivity coefficient is improved by 0.7 mW/mK, while gravitational and mechanical mixings provide an improvement by 0.5-0.6 mW/mK.
  • the thermal conductivity values of the polyurethane foam are improved by 0.5-0.7 mW/mK.
  • the polyurethane foam of the present invention is used in cooling devices such as refrigerator, etc.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

La présente invention concerne une mousse de polyuréthane présentant des propriétés thermiques et mécaniques améliorées, qui comprend au moins un polyol (mélange de polyols) mélangé avec au moins un tensioactif et au moins un catalyseur et de l'eau, au moins un cyclopentane ou isobutane/cyclopentane comme gaz soufflant et au moins un isocyanate. L'invention concerne également son procédé de production et un dispositif de refroidissement.
PCT/EP2019/070685 2018-09-20 2019-07-31 Mousse de polyuréthane et son procédé de production et dispositif de refroidissement WO2020057840A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19749692.0A EP3853296A1 (fr) 2018-09-20 2019-07-31 Mousse de polyuréthane et son procédé de production et dispositif de refroidissement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201813600 2018-09-20
TR2018/13600 2018-09-20

Publications (1)

Publication Number Publication Date
WO2020057840A1 true WO2020057840A1 (fr) 2020-03-26

Family

ID=67544231

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/070685 WO2020057840A1 (fr) 2018-09-20 2019-07-31 Mousse de polyuréthane et son procédé de production et dispositif de refroidissement

Country Status (2)

Country Link
EP (1) EP3853296A1 (fr)
WO (1) WO2020057840A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022162614A1 (fr) 2021-01-28 2022-08-04 3M Innovative Properties Company Articles et compositions antimicrobiennes et procédés associés

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1180316A (en) * 1967-04-19 1970-02-04 Elekal Method of making a Flexible and Hydrophilic Polyurethane Foam
WO2000024813A1 (fr) * 1998-10-26 2000-05-04 Bayer Aktiengesellschaft Procede de preparation d'une mousse de polyurethanne dure
US20160108236A1 (en) 2013-05-29 2016-04-21 Celluforce Inc. Polyurethane composites comprising nanocrystalline cellulose and method for improving properties of polyurethanes thereof
US20170166682A1 (en) 2015-12-14 2017-06-15 Samsung Electronics Co., Ltd. Polyurethane foam, refrigerator including the same, and method of manufacturing polyurethane foam

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1180316A (en) * 1967-04-19 1970-02-04 Elekal Method of making a Flexible and Hydrophilic Polyurethane Foam
WO2000024813A1 (fr) * 1998-10-26 2000-05-04 Bayer Aktiengesellschaft Procede de preparation d'une mousse de polyurethanne dure
US20160108236A1 (en) 2013-05-29 2016-04-21 Celluforce Inc. Polyurethane composites comprising nanocrystalline cellulose and method for improving properties of polyurethanes thereof
US20170166682A1 (en) 2015-12-14 2017-06-15 Samsung Electronics Co., Ltd. Polyurethane foam, refrigerator including the same, and method of manufacturing polyurethane foam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022162614A1 (fr) 2021-01-28 2022-08-04 3M Innovative Properties Company Articles et compositions antimicrobiennes et procédés associés

Also Published As

Publication number Publication date
EP3853296A1 (fr) 2021-07-28

Similar Documents

Publication Publication Date Title
CN107250196B (zh) 硬质聚氨酯泡沫
CN102702504B (zh) 一种以腰果壳油为原料制备的植物油聚醚多元醇及其制备方法和应用
CN108840985B (zh) 一种用于冰箱的硬质聚氨酯泡沫材料及其制备方法
KR20100075414A (ko) 경질 폴리우레탄 폼 제조용 조성물 및 경질 폴리우레탄 폼
US20140174849A1 (en) Increasing the sound absorption in foam insulating materials
CN110105520A (zh) 一种保温硬质聚氨酯泡沫及其制备方法
WO2020057840A1 (fr) Mousse de polyuréthane et son procédé de production et dispositif de refroidissement
CN103619927A (zh) 具有低导热性的耐高温泡沫材料
CN112175158B (zh) 冰箱及硬质聚氨酯泡沫、硬质聚氨酯泡沫的制备方法
KR20100137815A (ko) 액상 핵제를 이용한 폴리이소시안우레이트 폼의 제조방법 및 이에 의하여 제조된 폴리이소시안우레이트 폼
CN109021280A (zh) 一种聚氨酯泡沫的制备方法及聚氨酯泡沫
CN101544737A (zh) 一种硬质聚氨酯泡沫塑料及其制备方法
KR100850995B1 (ko) 경질 폴리우레탄 발포체 제조용 조성물 및 그로부터제조된 경질 폴리우레탄 발포체
EP3867303A1 (fr) Mousse de polyuréthane rigide, son procédé de production et dispositif de refroidissement la comprenant
KR101985105B1 (ko) 폴리우레탄 조성물, 이를 포함하는 흡음재 및 폴리우레탄 폼의 제조방법
JP2007269820A (ja) 硬質ポリウレタンフォームの製造方法
PL228072B1 (pl) Sposób wytwarzania pianek poliuretanowych o zwiekszonej odpornosci termicznej
WO2023136791A1 (fr) Composition de mousse rigide de polyuréthane pouvant être utilisée dans les applications industrielles des panneaux sandwich
WO2022132075A1 (fr) Mousse de polyuréthane et réfrigérateur comprenant une mousse de polyuréthane
KR100356486B1 (ko) 경질 폴리우레탄 발포체의 제조방법
Lee et al. Properties of Polyurethane Foam Blown by Environment Friendly Blowing Agent
CN109422902B (zh) 包含醇胺盐的发泡剂及用于聚氨酯连续板泡沫体材料中的用途
JPH10273549A (ja) 低密度硬質ポリウレタンフォームの製造法、およびこれにより得られた硬質ポリウレタンフォームの使用法
CN109422896B (zh) 包含伯胺盐和丙醇胺盐的发泡剂及用于聚氨酯冰箱冰柜泡沫体材料的用途
CN109422901B (zh) 碱性醇胺发泡剂和用于制备聚氨酯喷涂泡沫体材料的用途

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19749692

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2019749692

Country of ref document: EP

Effective date: 20210420