CN106380782A - Acid and alkali resistant flame-retardant sound-absorbing melamine foam material for crane and preparation method thereof - Google Patents
Acid and alkali resistant flame-retardant sound-absorbing melamine foam material for crane and preparation method thereof Download PDFInfo
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- CN106380782A CN106380782A CN201610787614.8A CN201610787614A CN106380782A CN 106380782 A CN106380782 A CN 106380782A CN 201610787614 A CN201610787614 A CN 201610787614A CN 106380782 A CN106380782 A CN 106380782A
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- 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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/32—Modified amine-aldehyde condensates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/40—Chemically modified polycondensates
- C08G12/42—Chemically modified polycondensates by etherifying
- C08G12/424—Chemically modified polycondensates by etherifying of polycondensates based on heterocyclic compounds
- C08G12/425—Chemically modified polycondensates by etherifying of polycondensates based on heterocyclic compounds based on triazines
- C08G12/427—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
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
An acid and alkali resistant flame-retardant sound-absorbing melamine foam material for a crane is characterized by being prepared from the following raw materials in parts by weight: melamine, a 37% formaldehyde solution, paraformaldehyde, benzyl cyanoethyl cellulose, sodium hydroxide, hexamethylene diisocyanate, urea propyl triethoxysilane, titania fibers, hydroxymethyl fatty amine, cyanuric acid, 1,1-bis(tert-butylperoxy)cyclohexane, tert-butylhydroquinone, vinyl acetate, toluene, ethanol, sodium ethoxide, dibutyl phthalate, acetone, polyphosphoric acid, lauryl sodium sulfate, tartaric acid, sodium butyl naphthalene sulfonate, a proper amount of hexamethylenetetramine, and a proper amount of deionized water. The foam material has excellent flame retardant properties, has good sound-absorbing capacity, and reduces the noise by more than 10 dB.
Description
Technical field
The present invention relates to the technical field of sound-absorbing, acoustic material, particularly relate to the three of a kind of acid and alkali-resistance of crane
The fire-retardant sound-absorbing foam material of poly cyanamid and its manufacture method.
Background technology
Noise can stimulate nervous system, be allowed to produce suppression, the people working under noisy environment for a long time, also can cause nerve
Weak syndrome, the harm of noise is many.Noise not only causes greatly to disturb to people's normal life and work, impact
People's talk, thinking, the sleep of impact people, make one to produce irritated, slow in reacting, operating efficiency reduction, take sb's mind off sth, cause
Operating irregularity, more serious situation is hearing that noise can make one and health suffers damage.The source of ambient noise has a lot, main
It is divided into urban construction noise, industrial machine noise, traffic noise and household electrical appliance noise etc..Noise spreads over people
The surrounding lived, have multiple, locality and temporary the features such as.
Melamine foam, also known as melamine foamed plastic, is that melamine resin is prepared through foam process
A kind of Intrinsical fire retardant foam going out.This foam has good thermal insulation, stability, humidity resistance and sound absorption properties,
So melamine foamed plastic is particularly well-suited to use under the environmental conditions such as fire-retardant, high temperature, low frequency noise absorb, before being a kind of development
The extraordinary Novel environment-friendlymaterial material of scape.Melamine foamed plastic is one of foam the lightest in the world, lightweight, fire-retardant, good stability
The advantages of make melamine foamed plastic very wide in the application prospect of the industries such as building, traffic, chemical industry.
Author Wang Tiankun etc., in the preparation and research one literary composition of melamine resin modification and foam, uses polyvinyl alcohol
With polyvinyl butyral resin modified melamine-formaldehyde resin, it has been respectively synthesized melamine/paraformaldehyde/polyvinyl alcohol
（PVA）Modified resin and melamine/paraformaldehyde/PVA/ polyvinyl butyral resin（PVB）Modified resin, and respectively to 3 kinds
Add a certain amount of foaming agent and curing agent etc. in resin, foaming is carried out to resin and makes foam.The bubble of modified foamed material
Hole uniformity substantially improves；Foamed heat-resistance excellent performance, and density is low, can be used as the fire-retardant sound-absorbing material of light heat-resisting.
Content of the invention
Present invention aim at provide a kind of fire-retardant sound-absorbing foam material of the melamine of the acid and alkali-resistance of crane and
Its preparation method.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of fire-retardant sound-absorbing foam material of the melamine of the acid and alkali-resistance of crane is it is characterised in that it is by following weight
The raw material of part is prepared from：200 parts of melamine, 37% formalin 120-150 part, paraformaldehyde 40-50 part, benzyl cyanide second
Base cellulose 8-10 part, NaOH 15-20 part, hexamethylene diisocyanate 12-15 part, ureidopropyltriethoxysilane
15-20 part, titanium dioxide fiber 12-15 part, methylol fatty amine 5-6 part, cyanurate 10-12 part, the double (t-butyl peroxy of 1,1-
Base) hexamethylene 1-2 part, tert-butylhydroquinone 1-2 part, vinylacetate 15-20 part, toluene 120-150 part, ethanol 120-
150 parts, caustic alcohol 3-4 part, dibutyl phthalate 5-8 part, acetone 120-150 part, polyphosphoric acids 3-4 part, dodecyl
Sodium sulphate 8-10 part, tartaric acid 5-8 part, sodium butylnaphthalenesulfonate 3-4 part, appropriate hexamethylenetetramine, appropriate deionized water.
The fire-retardant sound-absorbing foam material of the melamine of the acid and alkali-resistance of described crane is it is characterised in that it is by such as
Lower step is prepared from：
（1）By benzyl cyanethyl cellulose, NaOH with the deionized water that is equivalent to 35-40 times of NaOH weight portion is ultrasonic
Mixing 30-40min, adds crosslinking agent hexamethylene diisocyanate, ureidopropyltriethoxysilane and titanium dioxide fiber, stirs
Mix and mix, be warming up to 100 DEG C, add methylol fatty amine, stirring reaction 4-6h, be warming up to 140 DEG C, continue stirring 2-
3h, obtains modified titanium oxide fiber；
（2）By 1,1-bis(t-butylperoxy)cyclohexane, tert-butylhydroquinone and vinylacetate ultrasonic disperse in toluene
In, rise high-temperature to 50-60 DEG C, stirring reaction 10-12h, filters, washing, is dried；Dried filter cake is dispersed in ethanol
In, add caustic alcohol, 35-45 DEG C, carry out alcoholysis 6-8h, vacuum distillation, washing, be dried；By the product after alcoholysis, O-phthalic
Dibutyl phthalate is scattered in acetone, adds polyphosphoric acids, back flow reaction 5-8h, obtains being grafted the polyvinyl alcohol replacing；
（3）37% formalin, paraformaldehyde and appropriate deionized water are made into 50% formalin, under mechanical agitation
Adding hexamethylenetetramine to adjust pH is 8.0-8.5, is warming up to 65-70 DEG C, stirs 30-40min, cools down after solution clear
To 25 DEG C, add melamine, be sufficiently stirred for being warming up to 40 DEG C, add cyanurate, modified titanium oxide fiber and grafting to replace
It is continuously heating to 80 DEG C after polyvinyl alcohol, is placed in ice-water bath and is down to 25 DEG C after reaction 4-6h, to cold under 25 DEG C of water bath
But add foaming agent lauryl sodium sulfate, curing agent tartaric acid, sodium butylnaphthalenesulfonate in resin, fall after being sufficiently stirred for 2min
Enter mould, be placed in 120 DEG C of baking oven foamed solidification 2-3h, be cooled to 70 DEG C of solidify afterwards 2-4h, demoulding discharging.
Compared to existing sound-absorbing material, the present invention has the advantages that：
It is primary raw material that the fire-retardant sound-absorbing material of the present invention uses melamine, and itself just has anti-flammability, thermal insulation, moisture-proof
Hot, without extraly adding fire retardant；Under conditions of weak base, melamine can react with formaldehyde and generate methylol trimerization
Cyanamide, cyanurate, polyvinyl alcohol can be reacted with the terminal hydroxy group of melamine methylol, the two of melmac
Carbochain is added to increase the distance of rigid interannular between individual triazine radical；Using dibutyl phthalate, polyvinyl alcohol is connect
Branch replaces, and with Isosorbide-5-Nitrae butanediol synergy, introduces soft segment in melamine resin, soft segment is interspersed in three
In dimension stereochemical structure, improve the performance of melamine resin, thus the problems such as solve melamine foamed plastic foaming hardly possible, increase
The pliability of melamine foamed plastic；Add high temperature resistant, stable in properties titanium dioxide fiber, and with active organosilicon oxygen alkane and isocyanide
Acid esters compound crosslinking is coated on the surface of titanium dioxide fiber, increases dispersion in melamine resin for the titanium dioxide fiber
Property, increase the acid-proof alkaline of foamed material, high-temperature stability.
Specific embodiment
The fire-retardant sound-absorbing foam material of the melamine of the acid and alkali-resistance of the crane of the present embodiment, it is by following weight portion
Raw material be prepared from：200 parts of melamine, 150 parts of 37% formalin, 50 parts of paraformaldehyde, benzyl cyanethyl cellulose 10
Part, 20 parts of NaOH, 15 parts of hexamethylene diisocyanate, 20 parts of ureidopropyltriethoxysilane, titanium dioxide fiber 15
Part, 6 parts of methylol fatty amine, 12 parts of cyanurate, 2 parts of 1,1-bis(t-butylperoxy)cyclohexane, tert-butylhydroquinone 2
Part, 20 parts of vinylacetate, 150 parts of toluene, 150 parts of ethanol, 4 parts of caustic alcohol, 8 parts of dibutyl phthalate, acetone 150
Part, 4 parts of polyphosphoric acids, 10 parts of lauryl sodium sulfate, 8 parts of tartaric acid, 4 parts of sodium butylnaphthalenesulfonate, six appropriate methines four
Amine, appropriate deionized water.
The fire-retardant sound-absorbing foam material of the melamine of the acid and alkali-resistance of the crane of the present embodiment, it is by following steps system
Standby form：
（1）By benzyl cyanethyl cellulose, NaOH with the deionized water that is equivalent to 35 times of NaOH weight portion is ultrasonic mixed
Close 40min, add crosslinking agent hexamethylene diisocyanate, ureidopropyltriethoxysilane and titanium dioxide fiber, stirring is mixed
Close uniformly, be warming up to 100 DEG C, add methylol fatty amine, stirring reaction 6h, be warming up to 140 DEG C, continue stirring 3h, changed
Property titanium dioxide fiber；
（2）By 1,1-bis(t-butylperoxy)cyclohexane, tert-butylhydroquinone and vinylacetate ultrasonic disperse in toluene
In, rise high-temperature to 60 DEG C, stirring reaction 12h, filters, washing, is dried；Dried filter cake is disperseed in ethanol, to add
Caustic alcohol, carries out alcoholysis 8h, vacuum distillation, washing, is dried by 45 DEG C；By the product after alcoholysis, dibutyl phthalate dispersion
In acetone, add polyphosphoric acids, back flow reaction 8h, obtain being grafted the polyvinyl alcohol replacing；
（3）37% formalin, paraformaldehyde and appropriate deionized water are made into 50% formalin, under mechanical agitation
Adding hexamethylenetetramine to adjust pH is 8.5, is warming up to 70 DEG C, stirs 40min, be cooled to 25 DEG C after solution clear, plus
Enter melamine, be sufficiently stirred for being warming up to 40 DEG C, after adding the polyvinyl alcohol that cyanurate, modified titanium oxide fiber and grafting replace
It is continuously heating to 80 DEG C, is placed in ice-water bath after reaction 6h and is down to 25 DEG C, add in the resin of cooling under 25 DEG C of water bath
Enter foaming agent lauryl sodium sulfate, curing agent tartaric acid, sodium butylnaphthalenesulfonate, pour mould into after being sufficiently stirred for 2min, be placed in
120 DEG C of baking oven foamed solidification 3h, are cooled to 70 DEG C of solidify afterwards 4h, demoulding discharging.
After tested, the bending strength of the fire-retardant sound-absorbing foam material of the present embodiment is more than 40MPa, and impact strength is more than
70KJ/m2, reduce noise and be more than 10dB.
Claims (2)
1. a kind of fire-retardant sound-absorbing foam material of the melamine of the acid and alkali-resistance of crane is it is characterised in that it is by weighing as follows
The raw material of amount part is prepared from：200 parts of melamine, 37% formalin 120-150 part, paraformaldehyde 40-50 part, benzyl cyanide
Ethyl cellulose 8-10 part, NaOH 15-20 part, hexamethylene diisocyanate 12-15 part, ureido-propyl triethoxysilicane
Alkane 15-20 part, titanium dioxide fiber 12-15 part, methylol fatty amine 5-6 part, cyanurate 10-12 part, the double (t-butyl peroxy of 1,1-
Base) hexamethylene 1-2 part, tert-butylhydroquinone 1-2 part, vinylacetate 15-20 part, toluene 120-150 part, ethanol 120-
150 parts, caustic alcohol 3-4 part, dibutyl phthalate 5-8 part, acetone 120-150 part, polyphosphoric acids 3-4 part, dodecyl
Sodium sulphate 8-10 part, tartaric acid 5-8 part, sodium butylnaphthalenesulfonate 3-4 part, appropriate hexamethylenetetramine, appropriate deionized water.
2. the fire-retardant sound-absorbing foam material of the melamine of the acid and alkali-resistance of the crane according to claims 1, it is special
Levy and be, it is prepared from by following steps：
（1）By benzyl cyanethyl cellulose, NaOH with the deionized water that is equivalent to 35-40 times of NaOH weight portion is ultrasonic
Mixing 30-40min, adds crosslinking agent hexamethylene diisocyanate, ureidopropyltriethoxysilane and titanium dioxide fiber, stirs
Mix and mix, be warming up to 100 DEG C, add methylol fatty amine, stirring reaction 4-6h, be warming up to 140 DEG C, continue stirring 2-
3h, obtains modified titanium oxide fiber；
（2）By 1,1-bis(t-butylperoxy)cyclohexane, tert-butylhydroquinone and vinylacetate ultrasonic disperse in toluene
In, rise high-temperature to 50-60 DEG C, stirring reaction 10-12h, filters, washing, is dried；Dried filter cake is dispersed in ethanol
In, add caustic alcohol, 35-45 DEG C, carry out alcoholysis 6-8h, vacuum distillation, washing, be dried；By the product after alcoholysis, O-phthalic
Dibutyl phthalate is scattered in acetone, adds polyphosphoric acids, back flow reaction 5-8h, obtains being grafted the polyvinyl alcohol replacing；
（3）37% formalin, paraformaldehyde and appropriate deionized water are made into 50% formalin, under mechanical agitation
Adding hexamethylenetetramine to adjust pH is 8.0-8.5, is warming up to 65-70 DEG C, stirs 30-40min, cools down after solution clear
To 25 DEG C, add melamine, be sufficiently stirred for being warming up to 40 DEG C, add cyanurate, modified titanium oxide fiber and grafting to replace
It is continuously heating to 80 DEG C after polyvinyl alcohol, is placed in ice-water bath and is down to 25 DEG C after reaction 4-6h, to cold under 25 DEG C of water bath
But add foaming agent lauryl sodium sulfate, curing agent tartaric acid, sodium butylnaphthalenesulfonate in resin, fall after being sufficiently stirred for 2min
Enter mould, be placed in 120 DEG C of baking oven foamed solidification 2-3h, be cooled to 70 DEG C of solidify afterwards 2-4h, demoulding discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787614.8A CN106380782A (en) | 2016-08-31 | 2016-08-31 | Acid and alkali resistant flame-retardant sound-absorbing melamine foam material for crane and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787614.8A CN106380782A (en) | 2016-08-31 | 2016-08-31 | Acid and alkali resistant flame-retardant sound-absorbing melamine foam material for crane and preparation method thereof |
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| CN106380782A true CN106380782A (en) | 2017-02-08 |
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| CN201610787614.8A Pending CN106380782A (en) | 2016-08-31 | 2016-08-31 | Acid and alkali resistant flame-retardant sound-absorbing melamine foam material for crane and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671472A (en) * | 2008-09-09 | 2010-03-17 | 上海昊海化工有限公司 | Resin solution for preparing melamine formaldehyde resin foam plastics and preparation method thereof |
| CN103052676A (en) * | 2010-08-03 | 2013-04-17 | 费罗公司 | Polymer composite foams |
| CN103881338A (en) * | 2012-12-19 | 2014-06-25 | 上海载和实业投资有限公司 | Novel flame retardant and anti-static biodegradable material and preparation method thereof |
| CN104481103A (en) * | 2014-11-18 | 2015-04-01 | 上海华峰普恩聚氨酯有限公司 | Rigid foam polyurethane fireproof, insulation and decorative plate and production method thereof |
| CN104725773A (en) * | 2015-03-26 | 2015-06-24 | 嘉兴市杭星精细化工有限公司 | Melamine foam plastic and production technique thereof |
| CN104961908A (en) * | 2015-07-29 | 2015-10-07 | 苏州宏久航空防热材料科技有限公司 | Hydrophobic melamine foam and preparation method thereof |
-
2016
- 2016-08-31 CN CN201610787614.8A patent/CN106380782A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671472A (en) * | 2008-09-09 | 2010-03-17 | 上海昊海化工有限公司 | Resin solution for preparing melamine formaldehyde resin foam plastics and preparation method thereof |
| CN103052676A (en) * | 2010-08-03 | 2013-04-17 | 费罗公司 | Polymer composite foams |
| CN103881338A (en) * | 2012-12-19 | 2014-06-25 | 上海载和实业投资有限公司 | Novel flame retardant and anti-static biodegradable material and preparation method thereof |
| CN104481103A (en) * | 2014-11-18 | 2015-04-01 | 上海华峰普恩聚氨酯有限公司 | Rigid foam polyurethane fireproof, insulation and decorative plate and production method thereof |
| CN104725773A (en) * | 2015-03-26 | 2015-06-24 | 嘉兴市杭星精细化工有限公司 | Melamine foam plastic and production technique thereof |
| CN104961908A (en) * | 2015-07-29 | 2015-10-07 | 苏州宏久航空防热材料科技有限公司 | Hydrophobic melamine foam and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王天坤，等: "三聚氰胺甲醛树脂改性及泡沫的制备与研究", 《化工新型材料》 * |
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Application publication date: 20170208 |