CN106397824A - Preparation method of melamine resin foam - Google Patents
Preparation method of melamine resin foam Download PDFInfo
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- 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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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
-
- 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
- C08J9/143—Halogen containing compounds
- C08J9/147—Halogen containing compounds containing carbon and halogen atoms only
-
- 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
- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
- C08J2203/182—Binary blends of expanding agents of physical blowing agents, e.g. acetone and butane
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/20—Ternary blends of expanding agents
- C08J2203/202—Ternary blends of expanding agents of physical blowing agents
-
- 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
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/05—Open cells, i.e. more than 50% of the pores are open
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications 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
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.
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Cited By (4)
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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 |
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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 |
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