WO2008037600A1 - Auswaschresistenter hydro- und oleophober melaminharzschaum - Google Patents
Auswaschresistenter hydro- und oleophober melaminharzschaum Download PDFInfo
- Publication number
- WO2008037600A1 WO2008037600A1 PCT/EP2007/059655 EP2007059655W WO2008037600A1 WO 2008037600 A1 WO2008037600 A1 WO 2008037600A1 EP 2007059655 W EP2007059655 W EP 2007059655W WO 2008037600 A1 WO2008037600 A1 WO 2008037600A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- foam
- melamine resin
- water
- resin foam
- weight
- Prior art date
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
- C08J9/36—After-treatment
- C08J9/365—Coating
-
- 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
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2361/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08J2361/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
-
- 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
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
-
- 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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
-
- 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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
Definitions
- the invention relates to an open-celled melamine-formaldehyde resin foam (in short melamine resin foam), the cell framework of which is coated with a mixture of fluorocarbon resin and modified polyisocycanate as hydrophobizing and oleophobizing agent.
- Open-cell foams made of melamine-formaldehyde polycondensation plastics have excellent sound absorption capacity and excellent thermal insulation properties.
- foamed plastics are characterized by fire safety and high heat resistance.
- the low volume weight complements this attractive property profile.
- the use in transportation for example in the automotive industry, in rail vehicles and in shipbuilding entails that the melamine resin foam comes into contact with liquid media, for example in the form of lubricating oil, condensation or rainwater.
- liquid media for example in the form of lubricating oil, condensation or rainwater.
- the foam plastic can absorb large quantities of liquid.
- the melamine resin foam such as a cleaning sponge.
- the water absorption is over 90 volume percent (vol .-%).
- the intake due to the higher viscosity precipitates slightly lower.
- an oil consumption of about 80% by volume was found in direct contact with engine oil of the SAE viscosity class 10W.
- foam plastics can be water or oil repellent treated by impregnation with suitable chemicals.
- the oleophobization of an open-cell melamine resin foam in US 6,607,817 B1 and DE 100 11 388 A1 is described.
- the oleophobicizing agent is called fluorocarbon resin which, in addition to the oil-repellent effect, also has hydrophobic properties.
- a major disadvantage of the coating with fluorocarbon resin alone is that the coating of liquid media such as water can be easily washed out.
- This problem occurs in particular in the vehicle or aircraft, when the surface of the hydro- and oleophobic equipped melamine resin foam is sprayed with water or condensed water.
- the Basotect® melamine resin foam is used in the engine compartment of motor vehicles for noise insulation and may be exposed to spray water there.
- melamine resin foam is used for the thermo-acoustic insulation of the cabins. Even when used as a sound absorber in indoor swimming pools or in shipbuilding must be expected to be exposed to splash water.
- a water treatment of the foam usually leads to the washing out of the hydro- and oleophobic protective layer. As a result, water can enter unhindered upon further application. The impinging water can hinder the desired Schallabsorpion and thermal insulation.
- a pressurized water rinse test over 5 minutes shows that the hydrophobic properties deteriorate significantly or are lost.
- the tests carried out in the form of water droplet tests after re-drying show that the droplets can penetrate unhindered into the foam, as with untreated melamine resin foam.
- the aim of the present invention was therefore to provide the melamine resin foam with a hydrophobic and oleophobic coating which is resistant to washing when exposed to liquid media over a longer period of time.
- the problem has been solved by using a mixture of a) fluorocarbon resin and b) a modified polyisocyanate for the hydro- and oleophobization.
- Suitable modified polyisocyanate (component b) are, for example, b1) hydrophilicized polyisocyanates and b2) nonionic polyurethanes, in particular Evo® Gard XL (DyStar corresponds to Rotal® 444 from Rotta).
- polyisocyanates in particular toluene-2,4-diisocyanate, toluene-2,6-diisocyanate, naphthalene-1, 5-diisocyanate, 4,4'-diphenylmethane diisocyanate, isophorone diisocyanate and hexamethylene diisocyanate, but also other aromatic or aliphatic polyisocyanates be used.
- modification is meant in particular a hydrophilization of the isocyanate, as can be obtained by reacting the polyisocyanate with polyethers, fatty acids, silanes, A minoethansulfonklaren, urethanes (allophanate) or polyols (nonionic polyurethanes).
- a molar excess of diisocyanate is used in the preparation of the modified polyisocyanates and thus obtained modified polyisocyanates with free isocyanate groups.
- These free isocyanate groups are preferably at least partially blocked.
- compounds having acidic hydrogen atoms can be used.
- blocking agents for example, dimethylpyrazole, diacetyl, caprolactam or unsubstituted or substituted phenols are suitable as blocking agents.
- Particularly preferred blocking agents are ketone oximes, in particular butanone oxime, acetone oxime or methyl isobutyl ketone oxime.
- ketone oximes in particular butanone oxime, acetone oxime or methyl isobutyl ketone oxime.
- Evo® Gard XL (DyStar corresponds to Rotal® 444 from Rotta). These can be homogeneously mixed with fluorocarbon resin and applied in the usual application process, i. Wet impregnation by spray application or in an immersion bath, or in the foam application process.
- Suitable fluorocarbon resins are partially or completely fluorinated C 1 -C 10 -esters of methacrylic acid, of poly (meth) acrylic acid, of phosphoric acid or the d-C ⁇ fatty acids or of Cs-C ⁇ -alkanedicarboxylic acids.
- the alkyl groups of the ester and / or the alcohol component are perfluorinated. Examples are Evo®Gard FCS (DyStar corresponds to Dipolit® CS 97382 from Rotta) or Evo®Gard FSU (DyStar corresponds to Dipolit® 480 from Rotta).
- the hydro- and oleophobization of the melamine resin foam according to the invention is preferably carried out by impregnating the foam with an aqueous impregnating solution containing 0.1 to 10% by weight, preferably 0.2 to 2% by weight, component a) and 0.1 to 10% by weight .-% preferably 0.2 to 2 wt .-% Komonente b) contains realizes.
- the foams have in the coated state a content of 0.01 to 10 wt .-%, preferably 0.1 to 5 wt .-% each of coating component a and b.
- the two components a and b are used in approximately equimolar amounts.
- a good washout resistance is also obtained with samples coated with 4 to 10 times the weight excess of component a.
- the impregnation solution I a) fluorocarbon resin (Evo® Gard FCS) 0.5% by weight b) Modified polyisocyanate (Evo® Gard XL) 0.5% by weight water 99.0% by weight impregnated foams.
- the ultra-light Basotect samples with a density of 6g / l and in the dimensions 200 x 150 x 20mm impregnated therewith in the dipping procedure were in one Two-roll mill pressed to ⁇ 5% of its original height of 20mm and then dried in a circulating air oven at 160 0 C until the constancy of weight.
- Example 2 the foam was impregnated with an impregnating solution consisting of 99% by weight of water and 1% by weight of Evo® Gard FCS (but without Evo® Gard XL) in the same procedure as in Example 1. Weighing test and short-time dipping test were carried out as in Example 1. The foam of Comparative Example 2 had a water absorption of 1.2% by volume. This corresponded to a 33% higher value.
- the washout behavior of the coated melamine resin foams can be decisively improved by the coating according to the invention. This increases the safety when using hydro- and olephobic melamine resin in the relevant applications under similar load situations.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009528687A JP2010504384A (ja) | 2006-09-25 | 2007-09-13 | 流失抵抗性を有する疎水及び疎油性メラミン樹脂フォーム |
US12/442,555 US20100028655A1 (en) | 2006-09-25 | 2007-09-13 | Washoff-resistant hydro- and oleophobic melamine resin foam |
EP07820188A EP2069427A1 (de) | 2006-09-25 | 2007-09-13 | Auswaschresistenter hydro- und oleophober melaminharzschaum |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06121192 | 2006-09-25 | ||
EP06121192.6 | 2006-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008037600A1 true WO2008037600A1 (de) | 2008-04-03 |
Family
ID=38913107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/059655 WO2008037600A1 (de) | 2006-09-25 | 2007-09-13 | Auswaschresistenter hydro- und oleophober melaminharzschaum |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100028655A1 (de) |
EP (1) | EP2069427A1 (de) |
JP (1) | JP2010504384A (de) |
KR (1) | KR20090083348A (de) |
CN (1) | CN101516979A (de) |
WO (1) | WO2008037600A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011061178A1 (de) | 2009-11-20 | 2011-05-26 | Basf Se | Mikrohohlkugeln enthaltende harzschaumstoffe |
WO2011095409A1 (de) | 2010-02-03 | 2011-08-11 | Basf Se | Melamin-/formaldehyd-schaumstoff mit in die struktur eingebauten mikrokapseln |
DE102011005334A1 (de) | 2010-03-12 | 2011-09-15 | Basf Se | Verfahren zur Herstellung hydrophober Melamin-/Formaldehydharzschaumstoffe |
EP2316255B2 (de) † | 2009-08-28 | 2015-01-14 | Hanno-Werk GmbH & Co. KG | Isoliersystem für rechenzentrum |
US8937106B2 (en) | 2010-12-07 | 2015-01-20 | Basf Se | Melamine resin foams with nanoporous fillers |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5718719B2 (ja) * | 2011-04-28 | 2015-05-13 | 株式会社イノアックコーポレーション | メラミンフォームの製造方法及びその製造方法により製造したメラミンフォーム |
CN105295086B (zh) * | 2015-12-07 | 2018-02-23 | 成都玉龙化工有限公司 | 软质三聚氰胺泡沫的浸渍液、制备方法及浸渍处理方法 |
CN106215904A (zh) * | 2016-09-27 | 2016-12-14 | 郑州峰泰纳米材料有限公司 | 一种以蜜胺树脂泡棉为基质得到吸油材料的方法 |
CN109438749A (zh) * | 2018-10-09 | 2019-03-08 | 河南骏化发展股份有限公司 | 一种疏水性三聚氰胺甲醛树脂泡沫塑料及其制备方法 |
CN114576537B (zh) * | 2022-01-17 | 2023-06-16 | 北方工业大学 | 一种润滑油液滴脱附性能优异的毛细管及其加工工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10011388A1 (de) * | 1999-04-30 | 2000-11-02 | Basf Ag | Melaminharz-Schaumstoff |
WO2006077239A1 (de) * | 2005-01-24 | 2006-07-27 | Basf Aktiengesellschaft | Verfahren zur reinigung von oberflächen |
EP1808116A1 (de) * | 2006-01-12 | 2007-07-18 | The Procter and Gamble Company | Reinigungsgerät mit einem offenzelliger Schaumstoff |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH101554A (ja) * | 1996-06-18 | 1998-01-06 | Nisshinbo Ind Inc | 撥油性に優れたメラミン系樹脂発泡体 |
-
2007
- 2007-09-13 WO PCT/EP2007/059655 patent/WO2008037600A1/de active Application Filing
- 2007-09-13 KR KR1020097008412A patent/KR20090083348A/ko not_active Application Discontinuation
- 2007-09-13 CN CNA2007800355844A patent/CN101516979A/zh active Pending
- 2007-09-13 US US12/442,555 patent/US20100028655A1/en not_active Abandoned
- 2007-09-13 EP EP07820188A patent/EP2069427A1/de not_active Withdrawn
- 2007-09-13 JP JP2009528687A patent/JP2010504384A/ja not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10011388A1 (de) * | 1999-04-30 | 2000-11-02 | Basf Ag | Melaminharz-Schaumstoff |
WO2006077239A1 (de) * | 2005-01-24 | 2006-07-27 | Basf Aktiengesellschaft | Verfahren zur reinigung von oberflächen |
EP1808116A1 (de) * | 2006-01-12 | 2007-07-18 | The Procter and Gamble Company | Reinigungsgerät mit einem offenzelliger Schaumstoff |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2316255B2 (de) † | 2009-08-28 | 2015-01-14 | Hanno-Werk GmbH & Co. KG | Isoliersystem für rechenzentrum |
WO2011061178A1 (de) | 2009-11-20 | 2011-05-26 | Basf Se | Mikrohohlkugeln enthaltende harzschaumstoffe |
US9056961B2 (en) | 2009-11-20 | 2015-06-16 | Basf Se | Melamine-resin foams comprising hollow microbeads |
WO2011095409A1 (de) | 2010-02-03 | 2011-08-11 | Basf Se | Melamin-/formaldehyd-schaumstoff mit in die struktur eingebauten mikrokapseln |
DE102011005334A1 (de) | 2010-03-12 | 2011-09-15 | Basf Se | Verfahren zur Herstellung hydrophober Melamin-/Formaldehydharzschaumstoffe |
US8937106B2 (en) | 2010-12-07 | 2015-01-20 | Basf Se | Melamine resin foams with nanoporous fillers |
Also Published As
Publication number | Publication date |
---|---|
US20100028655A1 (en) | 2010-02-04 |
CN101516979A (zh) | 2009-08-26 |
JP2010504384A (ja) | 2010-02-12 |
KR20090083348A (ko) | 2009-08-03 |
EP2069427A1 (de) | 2009-06-17 |
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