EP2566914A1 - Mousses polyméthacrylimide présentant une inflammabilité réduite ainsi que procédé pour la fabrication desdites mousses polyméthacrylimide - Google Patents

Mousses polyméthacrylimide présentant une inflammabilité réduite ainsi que procédé pour la fabrication desdites mousses polyméthacrylimide

Info

Publication number
EP2566914A1
EP2566914A1 EP11706249A EP11706249A EP2566914A1 EP 2566914 A1 EP2566914 A1 EP 2566914A1 EP 11706249 A EP11706249 A EP 11706249A EP 11706249 A EP11706249 A EP 11706249A EP 2566914 A1 EP2566914 A1 EP 2566914A1
Authority
EP
European Patent Office
Prior art keywords
weight
meth
poly
foam
acrylimide foam
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP11706249A
Other languages
German (de)
English (en)
Inventor
Werner Geyer
Kay Bernhard
Mathias Hempler
Thomas Barthel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Roehm GmbH
Original Assignee
Evonik Roehm GmbH
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 Evonik Roehm GmbH filed Critical Evonik Roehm GmbH
Publication of EP2566914A1 publication Critical patent/EP2566914A1/fr
Withdrawn legal-status Critical Current

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
    • C08J9/0014—Use of organic additives
    • C08J9/0038—Use of organic additives containing phosphorus
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/24—Homopolymers or copolymers of amides or imides
    • 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
    • C08J2333/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/24—Homopolymers or copolymers of amides or imides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
    • C08K5/5317—Phosphonic compounds, e.g. R—P(:O)(OR')2
    • C08K5/5333—Esters of phosphonic acids

Definitions

  • the invention relates to compositions for the preparation of polymethacrylimide foams with particular
  • the present invention relates to the process for their preparation, processing and use.
  • PMI foams Polymethacrylimide foams
  • ROHACELL ® Polymethacrylimide foams
  • applications include processing
  • Laminates composites, foam composites,
  • Coating materials are shaped bodies which consist of an outer covering layer and an inner layer
  • Core material are constructed.
  • the cover layers used are materials that can absorb uniaxial or multiaxial extremely high tensile forces. Examples are glass and glass
  • Adhesive resins are fixed on the core material.
  • the core materials used are preferably materials with low densities, typically in the range of 30 kg / m 3 and 200 kg / m 3 . Special significance of such materials in lightweight construction, especially in aircraft or vehicle construction. In addition, the flame retardance of the materials is also of great importance in these fields of application. State of the art
  • PMI Polymethacrylimide
  • DMMP Dimethylmethanphosphonaten
  • EP 0 146 892 in which DMMP and functionalized DMMP are disclosed as flame retardants for polymethacrylimide. Meanwhile, however, DMMP has been identified as a mutagen, so there is a great need for DMMP as a
  • polymethacrylimide foams represent sensitive systems and are difficult to optimize in terms of the foaming behavior.
  • flame retardant stabilizers in such foam formulations reduce or prevent the foamability.
  • Flame retardants some of which contain antimony oxides, can also be used phosphorus-containing compounds. Phosphorus compounds are preferred because of lower smoke toxicity in case of fire.
  • Phosphorus compounds include phosphines
  • Phosphine oxides Phosphine oxides, phosphonium compounds, phosphonates,
  • Phosphites and / or phosphates may be organic and / or inorganic in nature. To date, however, no flame retardant is described in the prior art, with respect to comparable
  • methacrylic acrylonitrile foams can be stabilized according to CN 101 544 720 with chlorinated flame retardants.
  • chlorinated systems are not preferred for various reasons, especially in connection with flame retardancy or for reasons of health protection.
  • EP 1 501 891 phosphorus compounds are generally described for the flameproofing of polyurethane foams.
  • EP 2 152 834 Alkyldimethylphosphonate to
  • DMPP Dimehtylpropylphosphonat
  • PAI Polyacrylimide
  • the object was to provide a flame-retardant PMI foams, the at least the same flame retardancy, comparable
  • the object was that the foams have at least the same good thermomechanical properties and a similar good processability as the known PMI foams.
  • novel PMI foams should be just as easy to produce as the PMI foams according to the prior art.
  • DMPP Dimethylpropylphosphonate
  • the notation poly (meth) acrylimide is in the following also for polymethacrylimide (PMI) and polyacrylimide (PAI).
  • Methacrylic acid or acrylic acid is methacrylic acid or acrylic acid
  • the poly (meth) acrylimide foam is usually obtained by foaming and crosslinking this mixture.
  • the poly (meth) acrylimide foam is polymerized in bulk to a plate which
  • Examples of the other vinylically unsaturated monomers mentioned under (A) are: esters of acrylic or
  • the proportion of comonomers which can not or only with great difficulty be cyclized to anhydride or imide should not exceed 30% by weight, preferably 20% by weight and more preferably 10% by weight, based on the weight of the monomers.
  • blowing agent (C) the following compounds or
  • N-butyl oxamide trimethyl methane tricarboxylate, triethyl methane tricarboxylate, and monohydric alcohols of 3-8 carbon atoms such as propanol-1, propanol-2, butanol-1, butanol-2, tert-butanol and iso-butanol.
  • crosslinking agents (D) are used for easy crosslinking, which stabilizes the foam during the foaming process and thus enables the production of homogeneous foams.
  • crosslinkers can be divided into two groups: covalent crosslinkers (Dl), ie
  • dimethacrylate 1,3-butanediol diacrylate or dimethacrylate, 1,4-butanediol diacrylate or dimethacrylate,
  • ionic crosslinkers D2
  • D2 ionic crosslinkers
  • Examples include the acrylates or methacrylates the alkaline earth metals or the zinc. Zn and Mg (meth) acrylates are preferred.
  • the (meth) acrylate salts can also be prepared by dissolving, for example, ZnO or MgO in the monomer batch.
  • the foam may also be uncrosslinked.
  • Initiators (E) are compounds and
  • Classes of compounds are peroxides, hydroperoxides, and
  • Peroxodisulfates percarbonates, perketals, peroxyesters, hydrogen peroxide and azo compounds.
  • Initiators are hydrogen peroxide, dibenzoyl peroxide, dicyclohexyl peroxodicarbonate, dilauryl peroxide,
  • the initiators are preferred (E) in amounts of from 0.01 to 2% by weight, more preferably from 0.15 to 1.5% by weight, based on the total weight of
  • additives can be added to the mixtures.
  • additives include, but are not limited to, antistatic agents, antioxidants, mold release agents, lubricants,
  • Coating materials can be produced from the poly (meth) acrylimide foams produced according to the invention. Coating materials include one-sided with a solid
  • Sandwich materials in which the foam is surrounded on both sides by solid material may be films or plates. These can be made of metal, wood or preferably other polymers
  • Consist of materials The connection can be made by gluing, melting or sewing.
  • the poly (meth) acrylimide foams according to the invention or the layer materials produced therefrom have a broad field of application. They can be used in motor vehicles, rail vehicles, aircraft, watercraft, Spacecraft, machine parts, antennas, X-ray tables, speakers and pipes are used.
  • the density or density was determined according to ISO 845.
  • Methacrylonitrile and 5.9 g of allyl methacrylate were added as blowing agents 66 g of water and 69 g of formamide. Furthermore, 2.0 g of tert. Butyl perpivalate, 1.5 g tert. Butyl per-2-ethyl hexanoate, 4.9 g tert-butyl perbenzoate, 4.9 g cumyl perneodecanoate, 35 g zinc oxide and 9.8 g release agent (Moldwiz INT 20E). As a flame retardant 491 g of DMMP were used.
  • This mixture was for 68 h at 39 ° C and in one of two glass plates of size 50x50 cm and 28 mm thick
  • the subsequent foaming in the hot air process was carried out at 201 ° C for 2 h.
  • the resulting foam had a density of 118 kg / m 3 .
  • Another sample was foamed for 2 hours at 219 ° C.
  • the resulting foam had a density of 76 kg / m 3 .
  • the foams have a homogeneous foaming pattern and fully meet the requirements of the fire test.
  • This mixture was for 72 h at 40 ° C and in one of two glass plates of size 50x50 cm and 28 mm thick
  • the subsequent foaming in the hot air process was 2h at 203 ° C.
  • the resulting foam had a
  • Example 1 The foams of Example 1 have a homogeneous
  • Foaming can be distinguished from Comparative Example 1. Both foams fully met the requirements of the fire test.
  • Methacrylonitrile and 590 mg of allyl methacrylate were added as blowing agents 6, 6 g of water and 6, 9 g of formamide. Furthermore, the mixture was 200 mg tert. Butyl perpivalate, 150 mg tert. Butyl per-2-ethyl hexanoate, 49 mg tert-butyl perbenzoate, 49 mg cumyl perneodecanoate, 3.5 g zinc oxide and 980 mg release agent (Moldwiz INT 20E). The flame retardant was 42.7 g of vinylphosphonic acid
  • the subsequent foaming in the hot air process was 2h at 220 ° C.
  • the resulting foam had a
  • the subsequent foaming in the hot air process was 2 hours at 200 ° C.
  • the resulting foam had a

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

L'invention concerne des compositions pour la fabrication de mousses poly (méth) acrylimide présentant une inflammabilité particulièrement réduite. La présente invention concerne en outre le procédé de fabrication, de traitement et d'utilisation desdites mousses polyméthacrylimide.
EP11706249A 2010-05-06 2011-03-03 Mousses polyméthacrylimide présentant une inflammabilité réduite ainsi que procédé pour la fabrication desdites mousses polyméthacrylimide Withdrawn EP2566914A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010028695A DE102010028695A1 (de) 2010-05-06 2010-05-06 Polymethacrylimid-Schaumstoffe mit verminderter Entflammbarkeit sowie Verfahren zur Herstellung dieser
PCT/EP2011/053138 WO2011138060A1 (fr) 2010-05-06 2011-03-03 Mousses polyméthacrylimide présentant une inflammabilité réduite ainsi que procédé pour la fabrication desdites mousses polyméthacrylimide

Publications (1)

Publication Number Publication Date
EP2566914A1 true EP2566914A1 (fr) 2013-03-13

Family

ID=43982282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11706249A Withdrawn EP2566914A1 (fr) 2010-05-06 2011-03-03 Mousses polyméthacrylimide présentant une inflammabilité réduite ainsi que procédé pour la fabrication desdites mousses polyméthacrylimide

Country Status (10)

Country Link
US (1) US20130041056A1 (fr)
EP (1) EP2566914A1 (fr)
JP (1) JP2013525580A (fr)
KR (1) KR20130084226A (fr)
DE (1) DE102010028695A1 (fr)
RU (1) RU2012152234A (fr)
SG (1) SG184531A1 (fr)
TW (1) TW201213419A (fr)
WO (1) WO2011138060A1 (fr)
ZA (1) ZA201208301B (fr)

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DE102013223353A1 (de) 2013-11-15 2015-05-21 Evonik Industries Ag One-shot Herstellung von Composites
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CN104045764B (zh) * 2014-06-23 2016-04-13 浙江理工大学 一种聚甲基丙烯酰亚胺泡沫塑料的制备方法
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EP2982503A1 (fr) 2014-08-07 2016-02-10 Evonik Röhm GmbH Composants sandwich en corps de mousse à base de poly(méth)acrylate et composites réticulés réversibles
EP3015256A1 (fr) 2014-10-27 2016-05-04 Evonik Röhm GmbH Fabrication de plusieurs composants composites en fibres différents pour une production en grande série dans un processus continu
EP3015255A1 (fr) 2014-10-27 2016-05-04 Evonik Röhm GmbH Fabrication d'éléments composites en fibres renforcés à certains endroits pour la production en grande série dans un processus continu et profilé creux rempli de mousse
EP3159129A1 (fr) 2015-10-22 2017-04-26 Evonik Röhm GmbH Fabrication de structures complexes creuses en sandwich ou en mousse a l'aide d'un noyau de moule
EP3225654A1 (fr) 2016-03-30 2017-10-04 Evonik Röhm GmbH Reduction de la phase de refroidissement lors du moussage de particules par des additifs augmentant la conduction thermique
CN107417846A (zh) * 2017-08-31 2017-12-01 湖南和铸新材料科技有限公司 聚甲基丙烯酰亚胺泡沫塑料及其制备方法
CN107629162B (zh) * 2017-10-31 2020-04-14 浙江中科恒泰新材料科技有限公司 一步投料凝胶法制备聚(甲基)丙烯酰亚胺泡沫的方法
CN109280306B (zh) * 2018-08-25 2021-04-13 浙江中科恒泰新材料科技有限公司 一种聚甲基丙烯酰亚胺复合泡沫导电吸波材料的制备方法
RU2707601C1 (ru) * 2019-02-05 2019-11-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный технологический институт (технический университет)" Способ получения газонаполненных полиакрилимидов
CN111040230B (zh) * 2019-12-12 2022-05-27 浙江中科恒泰新材料科技有限公司 一种高断裂伸长率pmi泡沫及其制备方法
EP3978215A1 (fr) 2020-09-30 2022-04-06 Evonik Operations GmbH Fabrication de moules à noyau en mousse complexes pourvus de surfaces de classe a
CA3196473A1 (fr) 2020-10-29 2022-05-05 Felix GOLDMANN Procede de fabrication de panneaux en mousse pour la production de films en mousse
CN112708258B (zh) * 2021-01-12 2022-08-05 北京九天行歌航天科技有限公司 一种聚甲基丙烯酰亚胺泡沫、其制备方法及应用
CN113831442B (zh) * 2021-09-24 2023-07-07 湖南兆恒材料科技有限公司 一种高性价比的阻燃聚甲基丙烯酰亚胺泡沫及其制备方法
WO2023232614A1 (fr) 2022-06-03 2023-12-07 Evonik Operations Gmbh Procédé de production de pièces en mousse rigides multidimensionnelles au moyen d'une liaison pièces de puzzle
CN114874481A (zh) * 2022-06-24 2022-08-09 湖南博翔新材料有限公司 一种带有多层吸波结构的聚甲基丙烯酰亚胺泡沫及其制备方法
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Also Published As

Publication number Publication date
WO2011138060A1 (fr) 2011-11-10
RU2012152234A (ru) 2014-06-20
SG184531A1 (en) 2012-11-29
JP2013525580A (ja) 2013-06-20
DE102010028695A1 (de) 2011-11-10
TW201213419A (en) 2012-04-01
KR20130084226A (ko) 2013-07-24
US20130041056A1 (en) 2013-02-14
ZA201208301B (en) 2013-07-31

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