CN105566848B - A kind of modified, high temperature resistant melamino-formaldehyde foam and preparation method thereof - Google Patents

A kind of modified, high temperature resistant melamino-formaldehyde foam and preparation method thereof Download PDF

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CN105566848B
CN105566848B CN201610071015.6A CN201610071015A CN105566848B CN 105566848 B CN105566848 B CN 105566848B CN 201610071015 A CN201610071015 A CN 201610071015A CN 105566848 B CN105566848 B CN 105566848B
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melamino
modified
parts
bisphenol
formaldehyde
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CN105566848A (en
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陈照峰
王伟伟
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Nanjing University of Aeronautics and Astronautics
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04Ingredients characterised by their shape and organic or inorganic ingredients
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/30Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
    • C08G12/32Melamines
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/40Chemically modified polycondensates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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
    • C08J9/14Working-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
    • C08J9/141Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • C08K7/14Glass
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/22Expanded, porous or hollow particles
    • C08K7/24Expanded, porous or hollow particles inorganic
    • C08K7/28Glass
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/14Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2361/00Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/20Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08J2361/32Modified amine-aldehyde condensateS
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/004Additives being defined by their length
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/14Applications used for foams

Abstract

A kind of modified, high temperature resistant melamino-formaldehyde foam, it is characterised in that including following components in parts by weight:The equal molecular mass of number is 12000~17000,60~90 parts of the bisphenol A modified melamino-formaldehyde precondensate that viscosity is 5000~10400mPas, 2~8 parts of non-ionic surface active, 25~36 parts of foaming agent, 0.2~5 part of curing agent, 8~50 parts of deionized water, also include 0.5~2 part of the hollow glass micro-ball of 5~20 μm of 0.3~2.5 μm of average diameter, 100 μm~800 μm of length, 0.1~6 part of glass fibre or average diameter.The advantages of foam is that 1. resistance to elevated temperatures is excellent, using bisphenol A modified melmac, adds foams rigidity, resistance to elevated temperatures increase;2. lightweight, glass fibre and hollow glass ball reasonably match, while good dispersion and processing characteristics is ensured, the fragility of material is further improved, 3~10% are reduced than equal solid inorganic filler enhancing foam quality;3. during as carriers such as aeroges, its compression strength greatly improves.

Description

A kind of modified, high temperature resistant melamino-formaldehyde foam and preparation method thereof
Technical field
The present invention relates to insulation material technical field, especially a kind of modified, high temperature resistant melamino-formaldehyde foam and its system Preparation Method.
Background technology
Melamine foamed plastic, belong to the organic flexible foam product of macromolecule, as a kind of low-density, fire-retardant, sound-absorbing chemical industry New material, there is highly important application in fields such as civilian, industrial, building, traffic, aviation, military affairs, daily, electronic information Value, be particularly suitable for using under the environmental condition for having the requirement of fire-retardant, high temperature, Di Frequency noise absorptions, turn into 21 century have it is huge The Novel environment-friendlymaterial material of great development prospect.But melamine foamed plastic is a kind of brittle foamed material, its toughness and bending resistance are strong Spend it is poor, in actual applications easily because external force act on embrittlement occurs, during use also easily because of weight or natural compression not Balance and cause warpage, difficult and hidden danger is brought to construction.
Publication No. is CN 103210026A Chinese patent, and application discloses the melmac with inorganic filler Foamed material, the melamine of invention -- formaldehyde foam include the perforate framework of foam, and framework includes the three of multiple interconnections Bifurcated supporter is tieed up, and is had in particulate filler insertion pore structure in each supporter.Granularity preferably corresponds to foam knot The average pore size of structure, average pore size are preferably 10 to 1000 μm, more particularly 50 to 500 μm.Particulate filler can be very well It is incorporated into the pore structure of open celled foam, and is fixed by all faces of hole framework.The granularity of particulate filler is selected to cause this Granularity is less than the aperture of foam, so that it is guaranteed that being distributed in whole foam.
Publication No. is the A of CN 103391964 Chinese patent, and application discloses the melmac with particulate filler Foam, the shortcomings that mechanical performance and fire resistance can not be taken into account is corrected, and the melamine resin foam of filling is provided, its base The excellent mechanical performance of unfilled foam is kept in sheet.
Foregoing invention patent enhances the intensity of foam, but some complex process by filler modified, production cost compared with Height, or large-scale production is difficult to, it significantly limit its application.The present invention is changed by simplifying technique using bisphenol-A Property, improve the fragility of material, improve toughness.
The content of the invention
The present invention uses bisphenol A modified melmac, adds foams rigidity, resistance to elevated temperatures increase, then add Upper glass fibre and hollow glass ball reasonably match, and while good dispersion and processing characteristics is ensured, further improve material The fragility of material, toughness is improved, in addition, reducing 3~10% than equal solid inorganic filler enhancing foam quality.
To realize the purpose of the present invention, used technical scheme is:A kind of modified, high temperature resistant melamino-formaldehyde foam, It is characterized in that including following components in parts by weight:The equal molecular masses of number are 12000~17000, viscosity be 5000~ 10400mPas 60~90 parts of bisphenol A modified melamino-formaldehyde precondensate, 2~8 parts of nonionic surfactant, 25~36 parts of foaming agent, 0.2~5 part of curing agent, 8~50 parts of deionized water, also include 0.3~2.5 μm of average diameter, length 0.5~2 part of the hollow glass micro-ball of 5~20 μm of 0.1~6 part of 100 μm~800 μm glass fibres or average diameter.
The mol ratio of melamine, bisphenol-A and formaldehyde in described bisphenol A modified melamino-formaldehyde precondensate For 1: (0.01~0.2): (1~3), the nonionic surfactant relative molecular mass are 30~200 oxirane, institute Foaming agent is stated as a kind of or both mixing in iso-butane or pentane, the curing agent is acetic acid, hydrochloric acid, sulfuric acid and to first One kind in base benzene sulfonic acid.
A kind of preparation method of modified, high temperature resistant melamino-formaldehyde foam, it is characterised in that the processing step of this method and Condition is as follows:
(1) by glass fibre, hollow glass micro-ball be dispersed in pH be 9~11 formalin in, stirring, treat fiber and Microballoon adds melamine after being uniformly dispersed, and 45~220min is reacted at 70~90 DEG C, cooling, produces glass fibre, glass Microballoon melamino-formaldehyde precondensate;
(2) bisphenol-A is added in glass fibre, hollow glass micro-ball melamino-formaldehyde precondensate at 60~100 DEG C 30~70min of lower reaction, 45 DEG C are subsequently cooled to, are incubated 20min, obtain bisphenol A modified melamino-formaldehyde precondensate;
(3) surfactant, foaming agent and curing agent are added into bisphenol A modified melamino-formaldehyde precondensate, stirred Uniform producing foamed liquid is mixed, it is 1000~1550mPas to control foaming fluid viscosity;
(4) 55~80 DEG C of ambient temperatures and foaming 5~10min of the expanding foam solution are formed by microwave radiation device, so It is afterwards 80~150 DEG C in temperature by microwave radiation device, solidifies 5~36min;
(5) 150~250 DEG C of hot-air is used, cures 15~36min.
Beneficial effect is possessed by the present invention:1. resistance to elevated temperatures is excellent, using bisphenol A modified melmac, Add foams rigidity, resistance to elevated temperatures increase;2. lightweight, glass fibre and hollow glass ball reasonably match, ensureing While good dispersion and processing characteristics, the fragility of material is further improved, than equal solid inorganic filler enhancing foam quality Reduce 3~10%;3. during as carriers such as aeroges, its compression strength substantially increases.
Embodiment
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention Rather than limitation the scope of the present invention, after the present invention has been read, various equivalences of the those skilled in the art to the present invention The modification of form falls within the application appended claims and limited.
Embodiment 1
A kind of modified, high temperature resistant melamino-formaldehyde foam, it is characterised in that including following components in parts by weight:Number is divided equally 60 parts of the bisphenol A modified melamino-formaldehyde precondensate that protonatomic mass is 12000, viscosity is 5000mPas, nonionic table 2 parts of face activating agent, 25 parts of foaming agent, 0.2 part of curing agent, 8 parts of deionized water, also include 0.3 μm of average diameter, the μ of length 100 0.5 part of 0.1 part of m glass fibres or the hollow glass micro-ball of 5 μm of average diameter
The mol ratio of melamine, bisphenol-A and formaldehyde in described bisphenol A modified melamino-formaldehyde precondensate For 1: 0.01: 1, the nonionic surfactant relative molecular mass is 30 oxirane, and the foaming agent is iso-butane, The curing agent is acetic acid.
A kind of preparation method of modified, high temperature resistant melamino-formaldehyde foam, it is characterised in that the processing step of this method and Condition is as follows:
(1) glass fibre, hollow glass micro-ball are dispersed in the formalin that pH is 9, stirring, treat fiber and microballoon Melamine is added after being uniformly dispersed, 45min is reacted at 70 DEG C, cools down, produces glass fibre, hollow glass micro-ball melamine Amine formaldehyde precondensate;
(2) will be reacted in bisphenol-A addition glass fibre, hollow glass micro-ball melamino-formaldehyde precondensate at 60 DEG C 30min, 45 DEG C are subsequently cooled to, are incubated 20min, obtain bisphenol A modified melamino-formaldehyde precondensate;
(3) surfactant, foaming agent and curing agent are added into bisphenol A modified melamino-formaldehyde precondensate, stirred Uniform producing foamed liquid is mixed, it is 1000mPas to control foaming fluid viscosity;
(4) 55 DEG C of ambient temperatures and foaming expanding foam solution 5min are formed by microwave radiation device, then by micro- Amplitude injection device is 80 DEG C in temperature, solidifies 5min;
(5) 150 DEG C of hot-air is used, cures 15min.
Melamino-formaldehyde foam resistance to elevated temperatures prepared by the invention is excellent, and glass fibre and hollow glass ball are rational Proportioning, ensureing good dispersion and while processing characteristics, further improving the fragility of material, during as carriers such as aeroges, Its compression strength also substantially increases.
Embodiment 2
A kind of modified, high temperature resistant melamino-formaldehyde foam, it is characterised in that including following components in parts by weight:Number is divided equally 90 parts of the bisphenol A modified melamino-formaldehyde precondensate that protonatomic mass is 17000, viscosity is 10400mPas, nonionic table 8 parts of face activating agent, 36 parts of foaming agent, 5 parts of curing agent, 8~50 parts of deionized water, also include 2.5 μm of average diameter, length 2 parts of the hollow glass micro-ball of 20 μm of 6 parts of 800 μm of glass fibres or average diameter
The mol ratio of melamine, bisphenol-A and formaldehyde in described bisphenol A modified melamino-formaldehyde precondensate For 1: 0.2: 3, the nonionic surfactant relative molecular mass is 200 oxirane, and the foaming agent is pentane, institute It is p-methyl benzenesulfonic acid to state curing agent.
A kind of preparation method of modified, high temperature resistant melamino-formaldehyde foam, it is characterised in that the processing step of this method and Condition is as follows:
(1) glass fibre, hollow glass micro-ball are dispersed in the formalin that pH is 11, stirring, treat fiber and micro- Ball adds melamine after being uniformly dispersed, and 220min is reacted at 90 DEG C, cooling, it is micro- to produce hollow glass fibre, hollow glass Ball melamino-formaldehyde precondensate;
(2) by bisphenol-A add glass fibre, in hollow glass micro-ball melamino-formaldehyde precondensate at 100 DEG C it is anti- 70min is answered, is subsequently cooled to 45 DEG C, 20min is incubated, obtains bisphenol A modified melamino-formaldehyde precondensate;
(3) surfactant, foaming agent and curing agent are added into bisphenol A modified melamino-formaldehyde precondensate, stirred Uniform producing foamed liquid is mixed, it is 1550mPas to control foaming fluid viscosity;
(4) 80 DEG C of ambient temperatures and foaming expanding foam solution 10min are formed by microwave radiation device, then by micro- Amplitude injection device is 150 DEG C in temperature, solidifies 36min;
(5) 250 DEG C of hot-air is used, cures 36min.
Melamino-formaldehyde foam resistance to elevated temperatures prepared by the invention is excellent, and glass fibre and hollow glass ball are rational Proportioning, ensureing good dispersion and while processing characteristics, further improving the fragility of material, during as carriers such as aeroges, Its compression strength also substantially increases.
Two embodiments of the present invention are above are only, but the design concept of the present invention is not limited thereto, all profits The change of unsubstantiality is carried out to the present invention with this design, the behavior for invading the scope of protection of the invention all should be belonged to.In every case it is Any type of letter made without departing from the content of technical solution of the present invention, the technical spirit according to the present invention to above example Single modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.

Claims (1)

1. a kind of modified, high temperature resistant melamino-formaldehyde foam preparation processes, it is characterised in that including following components in parts by weight: The bisphenol A modified melamino-formaldehyde that the equal molecular mass of number is 12000~17000, viscosity is 5000~10400mPas is pre- 60~90 parts of condensation product, 2~8 parts of nonionic surfactant, 25~36 parts of foaming agent, 0.2~5 part of curing agent, deionized water 8 ~50 parts, also include 0.3~2.5 μm of average diameter, 100 μm~800 μm of length, 0.1~6 part of glass fibre and average diameter 5 0.5~2 part of~20 μm of hollow glass micro-ball;Melamine in described bisphenol A modified melamino-formaldehyde precondensate The mol ratio of amine, bisphenol-A and formaldehyde is 1: (0.01~0.2): (1~3), described nonionic surfactant are epoxy second Alkane, described foaming agent are a kind of or both mixing in iso-butane or pentane, and the curing agent is acetic acid, hydrochloric acid, sulphur One kind in acid and p-methyl benzenesulfonic acid;The preparation method of the modified, high temperature resistant melamino-formaldehyde foam includes following orders Step:
(1) glass fibre, hollow glass micro-ball are dispersed in the formalin that pH is 9~11, stirring, treat fiber and microballoon Melamine is added after being uniformly dispersed, 45~220min is reacted at 70~90 DEG C, cooling, produces glass fibre, hollow glass Microballoon melamino-formaldehyde precondensate;
(2) by bisphenol-A add glass fibre, in hollow glass micro-ball melamino-formaldehyde precondensate at 60~100 DEG C it is anti- 30~70min is answered, is subsequently cooled to 45 DEG C, 20min is incubated, obtains bisphenol A modified melamino-formaldehyde precondensate;
(3) surfactant, foaming agent and curing agent are added into bisphenol A modified melamino-formaldehyde precondensate, stirring is equal Even producing foamed liquid, it is 1000~1550mPas to control foaming fluid viscosity;
(4) 55~80 DEG C of ambient temperatures and the foaming expanding foam solution 5~10min, Ran Houtong are formed by microwave radiation device It is 80~150 DEG C that microwave radiation device, which is crossed, in temperature, solidifies 5~36min;
(5) 150~250 DEG C of hot-air is used, cures 15~36min.
CN201610071015.6A 2016-01-19 2016-01-19 A kind of modified, high temperature resistant melamino-formaldehyde foam and preparation method thereof Active CN105566848B (en)

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CN106479116A (en) * 2016-09-30 2017-03-08 美的集团股份有限公司 Foam type heat insulation material and its preparation method and application
CN106380783B (en) * 2016-10-12 2018-09-11 江南大学 A kind of hard melamine foam and preparation method thereof of the cellulose modified enhancing of nanocrystal
CN107177027A (en) * 2017-06-01 2017-09-19 东莞市贝辉装饰材料有限公司 A kind of cyanurotriamide modified resin and its preparation method and application
CN107289233A (en) * 2017-07-29 2017-10-24 南京航空航天大学 A kind of foam core material vacuum heat-insulating plate and preparation method thereof
CN109734950B (en) * 2018-12-28 2020-09-29 海尔智家股份有限公司 Aerogel composite material and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0593027A (en) * 1991-08-02 1993-04-16 Matsushita Electric Works Ltd Production of modified melamine resin composition and melamine resin molding material using the same
JPH05170854A (en) * 1991-12-19 1993-07-09 Matsushita Electric Works Ltd Epoxy-modified melamine resin composition
US5627232A (en) * 1995-06-07 1997-05-06 United Catalysts, Inc. Water-based composition containing an aminoplast-ether copolymer
CN1189517C (en) * 2000-02-15 2005-02-16 荷兰解决方案研究有限公司 Thermosetting resin composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0593027A (en) * 1991-08-02 1993-04-16 Matsushita Electric Works Ltd Production of modified melamine resin composition and melamine resin molding material using the same
JPH05170854A (en) * 1991-12-19 1993-07-09 Matsushita Electric Works Ltd Epoxy-modified melamine resin composition
US5627232A (en) * 1995-06-07 1997-05-06 United Catalysts, Inc. Water-based composition containing an aminoplast-ether copolymer
CN1189517C (en) * 2000-02-15 2005-02-16 荷兰解决方案研究有限公司 Thermosetting resin composition

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