CN106397824A - Preparation method of melamine resin foam - Google Patents

Preparation method of melamine resin foam Download PDF

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Publication number
CN106397824A
CN106397824A CN201610856454.8A CN201610856454A CN106397824A CN 106397824 A CN106397824 A CN 106397824A CN 201610856454 A CN201610856454 A CN 201610856454A CN 106397824 A CN106397824 A CN 106397824A
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Prior art keywords
microwave
melamine resin
preparation
resin foam
prefoam
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CN201610856454.8A
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Chinese (zh)
Inventor
李洋洋
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Zhengzhou Foamtech Nano Material Co Ltd
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Zhengzhou Foamtech Nano Material Co Ltd
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Priority to CN201610856454.8A priority Critical patent/CN106397824A/en
Publication of CN106397824A publication Critical patent/CN106397824A/en
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    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/3415Heating or cooling
    • 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
    • C08J9/143Halogen containing compounds
    • C08J9/147Halogen containing compounds containing carbon and halogen atoms only
    • 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
    • C08J9/149Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
    • 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
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/14Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142Halogenated saturated hydrocarbons, e.g. H3C-CF3
    • 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
    • C08J2203/18Binary blends of expanding agents
    • C08J2203/182Binary blends of expanding agents of physical blowing agents, e.g. acetone and butane
    • 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
    • C08J2203/20Ternary blends of expanding agents
    • C08J2203/202Ternary blends of expanding agents of physical blowing agents
    • 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
    • C08J2205/00Foams characterised by their properties
    • C08J2205/04Foams characterised by their properties characterised by the foam pores
    • C08J2205/05Open cells, i.e. more than 50% of the pores are open
    • 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
    • C08J2361/26Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08J2361/28Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • 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

The invention discloses a preparation method of melamine resin foam, and belongs to the technical field of microwave foaming. The steps of the preparation method includes mixing the material: by weight, taking 120-180 parts of melamine formaldehyde resin, in sequence adding 5-12 parts of foaming agent, 3-6 parts of emulsifier, 3-6 parts of stabilizer, 2-5 parts of curing agent, mixing then stirring evenly; pre-frothing: putting the mixture into the pre-frothing microwave oven to pre-froth, the duration for pre-frothing is 1-3 minutes; frothing: transferring the mixture into the microwave oven again to froth, the duration for frothing is 2-10 minutes; curing and cutting: then putting the foam into a baking oven to cure, keeping the oven temperature at 180-250 DEG C, after two hours cutting the foam into desired shape. The melamine resin foam is small in brittleness; the powder does not easily come off, the foam has high stretching and tearing intensity. The preparation method provides an effectively solution to problems present in existing technology, and equips melamine formaldehyde resin foam with excellent mechanical property and flame retardation and noise reduction property.

Description

A kind of preparation method of melamine resin foam
Technical field
The present invention relates to microwave foaming technique field, particularly to a kind of preparation method of melamine resin foam.
Background technology
Melamine resin, also known as melamine resin (melamine-formaldehyde resin), melamine formaldehyde (MF) tree Fat, is the polymer obtained by tripolycyanamide is reacted with formaldehyde.Reaction is crosslinked, product is insoluble thermosetting during machine-shaping Property resin.Traditionally often it and Lauxite are referred to as amino resins.
Melamine foamed plastic is with melamine resin as matrix, a kind of resistance being obtained through special foam process Combustion foam plasticss.Peace quality is lighter, has that excellent anti-flammability, thermal insulation, heat stability, sound-absorbing be sound-deadening properties, safety and sanitation With good secondary workability, can be widely applied to the fields such as building, machinery, chemical industry, transportation.Melamine formaldehyde resin Solidification be interlaced with triazine interannular by methylene or dimethylene, so melamine resin through foaming Afterwards, the foamed open cell rate of formation is higher, and pore structure is uniform.However, the melamine resin bubble that existing technology is prepared Foam has that fragility is big, the low problem of easy dry linting, tensile tear strength, causes the utilization rate of product low.
Content of the invention
The present invention provides a kind of preparation method of melamine resin foam, solves existing melamine resin foam crisp Big, the easy dry linting of property, the problem of tensile tear strength.
For solving above-mentioned technical problem, the technical scheme is that:
A kind of preparation method of melamine resin foam, comprises the following steps:
(1) batch mixing:Take the melamine resin of 120~180 weight portions, sequentially add the foaming of 5~12 weight portions Agent, 3~6 parts by weight Emulsifier, the stabilizer of 3~6 weight portions, the firming agent of 2~5 weight portions, stir after mixing:
(2) prefoam:Put into and in prefoam microwave oven, carry out prefoam, pre-expansion time is 1~3 minute;
(3) foam:It is transported in microwave oven and is foamed, foamed time is 2~10 minutes;
(4) ripening, cutting:Then foam is put into and in baking oven, carry out ripening, 180~250 DEG C of oven temperature, after 2 hours Excision forming.
Wherein it is preferred to, the microwave frequency in described prefoam microwave oven is 2450MHz or 915MHz.
Wherein it is preferred to, each two row's microwave sources of arranging of described prefoam microwave oven roof and diapire, often arrange 5 microwave sources, The power of each microwave source is 1kW.
Wherein it is preferred to, the microwave frequency in described microwave oven is 915MHz.
Wherein it is preferred to, the roof of described microwave oven is provided with the microwave source that a power is 20kW.
Wherein it is preferred to, described foaming agent is pentane, normal hexane, any one or a few in dichlorotetra-fluoroethane.
Wherein it is preferred to, described emulsifying agent is benzene sulfonic acid sodium salt, dodecylbenzene sodium sulfonate, in OP-10 any one or several Kind.
Wherein it is preferred to, described firming agent is formic acid, acetic acid or hydrochloric acid.
Wherein it is preferred to, described stabilizer is polysiloxanes, organotin, antimony organic, rare earth or Organic fluoride.
Beneficial effects of the present invention:
The melamine resin of the present invention first carries out prefoam before foaming, then enters foaming again, efficiently avoid and foamed Cheng Zhong, melamine resin is uneven due to raying, and the uneven problem of the foam density that causes.
The melamine resin foam fragility of present invention preparation is little, be difficult dry linting, draw that to stretch tearing strength high, efficiently solves existing There is problem present in technology, and make melamino-formaldehyde foam have good mechanical performance and fire-retardant performance muffler.
Melamine resin foam perforate is uniform, and foam density >=8kg/m3, tensile strength >=120KPa, elongation at break >= 40%th, tearing strength >=40N/m, rebound degree >=65%.
Specific embodiment
Below the embodiment it is clear that described is clearly and completely described to the technical scheme in the embodiment of the present invention It is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area The every other embodiment that art personnel are obtained under the premise of not making creative work, broadly falls into the model of present invention protection Enclose.
Embodiment 1
The present embodiment provides a kind of preparation method of melamine resin foam, comprises the following steps:
(1) batch mixing:Take the melamine resin of 150 weight portions, sequentially add foaming agent, 5 weight portions of 8 weight portions Emulsifying agent, the stabilizer of 5 weight portions, the firming agent of 4 weight portions, stir after mixing;
(2) prefoam:Put into and in prefoam microwave oven, carry out prefoam, pre-expansion time is 2 minutes;
(3) foam:It is transported in microwave oven and is foamed, foamed time is 5 minutes;
(4) ripening, cutting:Then foam is put into and in baking oven, carry out ripening, 210 DEG C of oven temperature, cut into after 2 hours Type.
Wherein, the microwave frequency in described prefoam microwave oven is 2450MHz or 915MHz;Described prefoam microwave furnace roof Wall and each two row's microwave sources of arranging of diapire, often arrange 5 microwave sources, the power of each microwave source is 1kW.
Wherein, the microwave frequency in described microwave oven is 915MHz;One power is provided with the roof of described microwave oven Microwave source for 20kW.
Foaming agent in the present embodiment is weight ratio for 1:2:1 pentane, normal hexane and dichlorotetra-fluoroethane.
In the present embodiment, emulsifying agent is weight ratio for 2:1:2 benzene sulfonic acid sodium salts, dodecylbenzene sodium sulfonate, OP-10.
In the present embodiment, firming agent is acetic acid.
Stabilizer in the present embodiment is polysiloxanes.
The present embodiment be obtained foam density 12kg/m3 of melamine resin foam, tensile strength >=140KPa, Elongation at break 46%, tearing strength 45N/m, rebound degree 70%.
Embodiment 2
The present embodiment provides a kind of preparation method of melamine resin foam, comprises the following steps:
(1) batch mixing:Take the melamine resin of 120 weight portions, sequentially add foaming agent, 3 weight of 12 weight portions Part emulsifying agent, the stabilizer of 6 weight portions, the firming agent of 2 weight portions, stir after mixing;
(2) prefoam:Put into and in prefoam microwave oven, carry out prefoam, pre-expansion time is 1 minute;
(3) foam:It is transported in microwave oven and is foamed, foamed time is 10 minutes;
(4) ripening, cutting:Then foam is put into and in baking oven, carry out ripening, 180 DEG C of oven temperature, cut into after 2 hours Type.
Wherein, the microwave frequency in described prefoam microwave oven is 2450MHz or 915MHz;Described prefoam microwave furnace roof Wall and each two row's microwave sources of arranging of diapire, often arrange 5 microwave sources, the power of each microwave source is 1kW.
Wherein, the microwave frequency in described microwave oven is 915MHz;One power is provided with the roof of described microwave oven Microwave source for 20kW.
Foaming agent in the present embodiment is weight ratio for 2:1, normal hexane and dichlorotetra-fluoroethane.
In the present embodiment, emulsifying agent is weight ratio for 1:2 benzene sulfonic acid sodium salts and dodecylbenzene sodium sulfonate.
In the present embodiment, firming agent is formic acid.
Stabilizer in the present embodiment is organotin.
Foam density 8kg/m3 of melamine resin foam that the present embodiment is obtained, tensile strength 130KPa, disconnected Split percentage elongation 60%, tearing strength 42N/m, rebound degree 78%.
Embodiment 3
The present embodiment provides a kind of preparation method of melamine resin foam, comprises the following steps:
(1) batch mixing:Take the melamine resin of 180 weight portions, sequentially add foaming agent, 6 weight portions of 5 weight portions Emulsifying agent, the stabilizer of 6 weight portions, the firming agent of 2 weight portions, stir after mixing;
(2) prefoam:Put into and in prefoam microwave oven, carry out prefoam, pre-expansion time is 3 minutes;
(3) foam:It is transported in microwave oven and is foamed, foamed time is 2 minutes;
(4) ripening, cutting:Then foam is put into and in baking oven, carry out ripening, 250 DEG C of oven temperature, cut into after 2 hours Type.
Wherein, the microwave frequency in described prefoam microwave oven is 2450MHz or 915MHz;Described prefoam microwave furnace roof Wall and each two row's microwave sources of arranging of diapire, often arrange 5 microwave sources, the power of each microwave source is 1kW.
Wherein, the microwave frequency in described microwave oven is 915MHz;One power is provided with the roof of described microwave oven Microwave source for 20kW.
Foaming agent in the present embodiment is pentane.
In the present embodiment, emulsifying agent compares benzene sulfonic acid sodium salt for weight.
In the present embodiment, firming agent is acetic acid.
Stabilizer in the present embodiment is antimony organic.
The present embodiment be obtained foam density 10kg/m3 of melamine resin foam, tensile strength >=150KPa, Elongation at break 55%, tearing strength 55N/m, rebound degree 70%.
Embodiment 4
The present embodiment provides a kind of preparation method of melamine resin foam, comprises the following steps:
(1) batch mixing:Take the melamine resin of 130 weight portions, sequentially add foaming agent, 5 weight portions of 6 weight portions Emulsifying agent, the stabilizer of 4 weight portions, the firming agent of 3 weight portions, stir after mixing;
(2) prefoam:Put into and in prefoam microwave oven, carry out prefoam, pre-expansion time is 2 minutes;
(3) foam:It is transported in microwave oven and is foamed, foamed time is 7 minutes;
(4) ripening, cutting:Then foam is put into and in baking oven, carry out ripening, 200 DEG C of oven temperature, cut into after 2 hours Type.
Wherein, the microwave frequency in described prefoam microwave oven is 2450MHz or 915MHz;Described prefoam microwave furnace roof Wall and each two row's microwave sources of arranging of diapire, often arrange 5 microwave sources, the power of each microwave source is 1kW.
Wherein, the microwave frequency in described microwave oven is 915MHz;One power is provided with the roof of described microwave oven Microwave source for 20kW.
Foaming agent in the present embodiment is normal hexane.
In the present embodiment, emulsifying agent is weight ratio for dodecylbenzene sodium sulfonate.
In the present embodiment, firming agent is hydrochloric acid.
Stabilizer in the present embodiment is rare earth.
Foam density 10kg/m3 of melamine resin foam that the present embodiment is obtained, tensile strength 120KPa, disconnected Split percentage elongation 40%, tearing strength 40N/m, rebound degree 67%.
Embodiment 5
The present embodiment provides a kind of preparation method of melamine resin foam, comprises the following steps:
(1) batch mixing:Take the melamine resin of 170 weight portions, sequentially add foaming agent, 4 weight of 10 weight portions Part emulsifying agent, the stabilizer of 4 weight portions, the firming agent of 4 weight portions, stir after mixing;
(2) prefoam:Put into and in prefoam microwave oven, carry out prefoam, pre-expansion time is 2 minutes;
(3) foam:It is transported in microwave oven and is foamed, foamed time is 9 minutes;
(4) ripening, cutting:Then foam is put into and in baking oven, carry out ripening, 240 DEG C of oven temperature, cut into after 2 hours Type.
Wherein, the microwave frequency in described prefoam microwave oven is 2450MHz or 915MHz;Described prefoam microwave furnace roof Wall and each two row's microwave sources of arranging of diapire, often arrange 5 microwave sources, the power of each microwave source is 1kW.
Wherein, the microwave frequency in described microwave oven is 915MHz;One power is provided with the roof of described microwave oven Microwave source for 20kW.
Foaming agent in the present embodiment is weight ratio for normal hexane.
In the present embodiment, emulsifying agent is weight ratio for OP-10.
In the present embodiment, firming agent is acetic acid.
Stabilizer in the present embodiment is Organic fluoride.
Foam density 10kg/m3 of melamine resin foam that the present embodiment is obtained, tensile strength 140KPa, disconnected Split percentage elongation 45%, tearing strength 42N/m, rebound degree 65%.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.

Claims (9)

1. a kind of preparation method of melamine resin foam is it is characterised in that comprise the following steps:
(1) batch mixing:Take the melamine resin of 120~180 weight portions, sequentially add 5~12 weight portions foaming agent, 3 ~6 parts by weight Emulsifier, the stabilizer of 3~6 weight portions, the firming agent of 2~5 weight portions, stir after mixing:
(2) prefoam:Put into and in prefoam microwave oven, carry out prefoam, pre-expansion time is 1~3 minute;
(3) foam:It is transported in microwave oven and is foamed, foamed time is 2~10 minutes;
(4) ripening, cutting:Then foam is put into and in baking oven, carry out ripening, 180~250 DEG C of oven temperature, cut after 2 hours Molding.
2. a kind of melamine resin foam according to claim 1 preparation method it is characterised in that:Described prefoam microwave Microwave frequency in stove is 2450MHz or 915MHz.
3. a kind of melamine resin foam according to claim 2 preparation method it is characterised in that:Described prefoam microwave Furnace roof wall and each two row's microwave sources of arranging of diapire, often arrange 5 microwave sources, the power of each microwave source is 1kW.
4. a kind of melamine resin foam according to claim 1 preparation method it is characterised in that:In described microwave oven Microwave frequency is 915MHz.
5. a kind of melamine resin foam according to claim 4 preparation method it is characterised in that:The top of described microwave oven The microwave source that one power is 20kW is provided with wall.
6. a kind of melamine resin foam according to claim 1 preparation method it is characterised in that:Described foaming agent is just Any one or a few in pentane, normal hexane, dichlorotetra-fluoroethane.
7. a kind of melamine resin foam according to claim 1 preparation method it is characterised in that:Described emulsifying agent is benzene In sodium sulfonate, dodecylbenzene sodium sulfonate, OP-10 any one or a few.
8. a kind of melamine resin foam according to claim 1 preparation method it is characterised in that:Described firming agent is first Acid, acetic acid or hydrochloric acid.
9. a kind of melamine resin foam according to claim 1 preparation method it is characterised in that:Described stabilizer is poly- Siloxanes, organotin, antimony organic, rare earth or Organic fluoride.
CN201610856454.8A 2016-09-27 2016-09-27 Preparation method of melamine resin foam Pending CN106397824A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107880486A (en) * 2017-12-30 2018-04-06 郑州峰泰纳米材料有限公司 A kind of hard melamine steeps the preparation method of continuous plate
CN107903578A (en) * 2017-12-07 2018-04-13 郑州峰泰纳米材料有限公司 A kind of continuous manufacture method of modified melamine-formaldehyde resin bubble
CN108177410A (en) * 2017-12-30 2018-06-19 郑州峰泰纳米材料有限公司 A kind of composite bed melamine bubble silk floss and preparation method thereof
NL2022372B1 (en) 2018-12-17 2020-07-03 What The Future Venture Capital Wtfvc B V Process for producing a cured 3d product

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1332172B1 (en) * 2000-10-10 2005-12-14 AMI Agrolinz Melamine International GmbH Process for the production of syntactic aminoplast foams
CN101214716A (en) * 2008-01-21 2008-07-09 河南省中原大化集团有限责任公司 Method for continuously producing amino aerated plastics
CN204525918U (en) * 2015-04-08 2015-08-05 成都玉龙化工有限公司 A kind of melamine steeps continuous microwave foam device
CN105482147A (en) * 2015-12-18 2016-04-13 神盾防火科技有限公司 Preparation method for non-inflammable closed cell sponge and prepared product

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1332172B1 (en) * 2000-10-10 2005-12-14 AMI Agrolinz Melamine International GmbH Process for the production of syntactic aminoplast foams
CN101214716A (en) * 2008-01-21 2008-07-09 河南省中原大化集团有限责任公司 Method for continuously producing amino aerated plastics
CN204525918U (en) * 2015-04-08 2015-08-05 成都玉龙化工有限公司 A kind of melamine steeps continuous microwave foam device
CN105482147A (en) * 2015-12-18 2016-04-13 神盾防火科技有限公司 Preparation method for non-inflammable closed cell sponge and prepared product

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
赵辉等: ""丙烯酰胺改性三聚氰胺甲醛树脂硬质泡沫体的研究"", 《上海化工》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107903578A (en) * 2017-12-07 2018-04-13 郑州峰泰纳米材料有限公司 A kind of continuous manufacture method of modified melamine-formaldehyde resin bubble
CN107880486A (en) * 2017-12-30 2018-04-06 郑州峰泰纳米材料有限公司 A kind of hard melamine steeps the preparation method of continuous plate
CN108177410A (en) * 2017-12-30 2018-06-19 郑州峰泰纳米材料有限公司 A kind of composite bed melamine bubble silk floss and preparation method thereof
NL2022372B1 (en) 2018-12-17 2020-07-03 What The Future Venture Capital Wtfvc B V Process for producing a cured 3d product
US11305458B2 (en) 2018-12-17 2022-04-19 What The Future Venture Capital (Wtfvc) B.V. Process for producing a cured 3D product

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Application publication date: 20170215