CN107118544A - A kind of preparation method with anti-flaming function EU sponge - Google Patents
A kind of preparation method with anti-flaming function EU sponge Download PDFInfo
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- CN107118544A CN107118544A CN201710378722.4A CN201710378722A CN107118544A CN 107118544 A CN107118544 A CN 107118544A CN 201710378722 A CN201710378722 A CN 201710378722A CN 107118544 A CN107118544 A CN 107118544A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
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- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
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- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
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- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- 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
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
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- 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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- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2423/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08J2423/22—Copolymers of isobutene; butyl rubber
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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Abstract
The invention belongs to polyurethane sponge preparing technical field.The invention discloses a kind of preparation method with anti-flaming function EU sponge, it includes getting the raw materials ready, dispensing, stirring, feeding, foaming and post-treating and other steps, prepare the raw materials such as the first PPG, the second PPG, the 3rd PPG, butyl rubber, the first catalyst, the second catalyst, silicone oil, water, foaming agent, MDI isocyanate, flame-retardant additive and chain extender by formula in melting process.The preparation method technique of Slow-rebound polyether polyurethane sponge is simple in the present invention, production efficiency is high and can be produced using existing equipment, can faster put into production；The Slow-rebound polyether polyurethane sponge prepared by preparation method in the present invention has good low resilience and excellent fire resistance.
Description
Technical field
The present invention relates to polyurethane sponge preparing technical field, there is the poly- ammonia of anti-flaming function polyether-type more particularly, to one kind
The preparation method of ester sponge.
Background technology
Sponge refers to all expanded materials, and resin, rubber, the foaming product of plastics all claim sponge.Polyurethane sponge is exactly
Foamed polyurethane material.The elasticity of the existing rubber of polyurethane, the intensity and excellent processing characteristics for having plastics again, can be used to prepare
Polyurethane low resilience urethane foam resilient foam（Flexible polyurethane foams）.
Polyol starting material point of the flexible polyurethane foam to use, can be divided into the soft bubble of polyester-type and the soft bubble of polyether-type.
EU is a kind of open eucaryotic cell structure, the characteristic depressurized with warming, may also be referred to as being a kind of warming
Pressure drop materials.
As a kind of macromolecule organic foam material, the flammable properties of EU sponge, which become, threatens its safety
A major issue, therefore existing market on to have made some to EU sponge flame-retardant modified；As Chinese patent is public
Cloth CN102643405A, patent disclosure day is August in 2012 22 days, a kind of entitled system of Slow-rebound polyether polyurethane sponge
Make method patent disclosure it is a kind of for EU sponge it is inflammable the characteristics of made flame-retardant modified, in the poly- ammonia of polyether-type
It with the addition of sulfonate salt flame in the formula of ester sponge to have carried out flame-retardant modified and devised corresponding preparation method, although it hinders
Fuel efficiency fruit has obtained certain improvement, but is due to the fire retardant single effect of its addition, and its flame retardant effect is still difficult to meet
Requirement of the public to EU sponge flame retardant effect；The single fire retardant of its addition is with certain harmfulness simultaneously
Perfluorobutyl potassium sulfonate, although the characteristics of perfluorobutyl potassium sulfonate has hypotoxicity compared to past fire retardant, but it is also
It is to have certain harmfulness, this kind of pillow raw material that is normally used as especially for low resilience EU sponge
Sponge material, what its harm to human body still can not be ignored.
The content of the invention
It is prepared to solve the above problems, producing easy, production efficiency height the invention provides one kind and can assign
Slow-rebound polyether polyurethane sponge excellent flame retardant performance polyurethane sponge preparation method.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of preparation method with anti-flaming function EU sponge, comprises the following steps：
1）Get the raw materials ready：Prepare raw material by following parts by weight：First 65~75 parts of PPG, the second PPG 10~20
Part, the 3rd 10~20 parts of PPG, 8~16 parts of butyl rubber, the first 0.45~0.55 part of catalyst, the second catalyst
0.05~0.15 part, 1.9~2.1 parts of silicone oil, 3.0~4.0 parts of water, 8~12 parts of foaming agent, 55~61 parts of MDI isocyanate, resistance
Fire 2.0~4.5 parts of additive, 5~8 parts of chain extender；
2）Dispensing：The first PPG, the second PPG and the 3rd PPG are mixed in a vessel；Connect
In another container and to mix the first catalyst, the second catalyst, silicone oil, water, foaming agent, MDI isocyanate and chain extender
Close；
3）Stirring：Raw material in above-mentioned two container is stirred in cell therefor and obtains the first mixed liquor and second successively
Mixed liquor；
4）Feeding：Temperature in mould to be foamed is reached after 50~55 DEG C, is controlled feeding capacity by formula rate and is thrown into mould
Feed the first mixed liquor, the second mixed liquor, butyl rubber and flame-retardant additive；
5）Foaming：Foamed 1~10 minute in 50~55 DEG C of foaming mould, and 1~5 hour is incubated at 30~40 DEG C and be made
Slow-rebound polyether polyurethane sponge with anti-flaming function；
6）Post processing：The Slow-rebound polyether polyurethane sponge with anti-flaming function after foamed heat insulating is cooled down and add again
Work.
Butyl rubber is a kind of synthetic rubber with high resiliency feature, and being properly added in polyurethane sponge to promote
The elasticity of polyurethane sponge.
Preferably, the first PPG is PPG 1621, the second PPG is polyethers GLR-2000,
3rd PPG is polyethers GPOP-36/30.
Preferably, the first catalyst is catalyst A33, the second catalyst is A1, and foaming agent is foaming agent 141b.
PPG 1621 is a kind of base polyester raw material of the common slow-rebound foaming sponge of in the market, polyethers GLR-
2000 and polyethers GPOP-36/30 is two kinds of the production of Shanghai Gaoqiao petrochemical industry Co., Ltd without slow-rebound foamings of the BHT without amine
The base polyester raw material of sponge；Catalyst A33 is the DPG solution of 33% triethylene diamine, and catalyst A1 is double（Diformazan ammonia
Base ethyl）Ether compares 7 with dipropylene glycol with weight：3 solution prepared, above two catalyst is all to be used for poly- ammonia on the market
The conventional catalyst of ester production；Foaming agent 141b is a fluorine dichloroethanes.
Preferably, chain extender is one in BDO, 1,6- hexylene glycols, trihydroxy methyl propane or diethylene glycol (DEG)
Kind.
Preferably, flame-retardant additive is comprised the following raw materials by weight percent：
13~15wt% of diaspore, 25~30wt% of shepardite, 10~12wt% of trichlorobromomethane, 3~6wt% of dispersant, surplus
For zeolite.
Diaspore is a kind of aluminium mineral rich in hydroxyl, its can be decomposed after heated reaction generation water and aluminum oxide
And substantial amounts of heat is absorbed, while as a kind of inorganic mineral, diaspore is a kind of complete harmless material, after its addition not
Tool toxic will not also make the user after contact occur allergic reaction；Shepardite is a kind of mineral material similar with diaspore
Material, it can become magnesia and water after being thermally decomposed, and the content of the water obtained after it is heated is much larger than diaspore, same water magnesium
Masonry is natural inorganic mineral, and it does not have toxic yet；Exactly diaspore and shepardite it is this it is heated after decompose and decompose
This characteristic of the water with big specific heat capacity is produced, it absorbs big calorimetric when decomposing and after decomposition during the thing phase change of water
Amount, thus with very good flame retardant effect.Trichlorobromomethane is a kind of organohalogen compounds fire retardant, and it has what low toxicity did harm to
Feature, because organohalogen compounds fire retardant has especially outstanding flame retardant effect, in order to improve EU sea of the present invention
Silk floss is in relative low temperature（200~300 DEG C or so）Under flame retardant effect, be properly added in a small amount of organohalogen compounds fire retardant endanger
The evil less trichlorobromomethane of property is used as assisting flame-resistant additive；Trichlorobromomethane can be acted on as organohalogen compounds fire retardant
In gas-phase combustion area, the free radical in combustion reaction is caught, so as to prevent flame transmission, is made under the flame intensity of combustion zone
Drop, finally declines combustion velocity until terminating.Due to consideration that can be produced during polyurethane sponge burning poisonous and hazardous
Gas, in order to prevent these gases from causing bigger harm, therefore adds in fire retardant a certain amount of zeolite, as being adsorbed with
Evil gas is used, while can be used as the carrier of trichlorobromomethane etc..Dispersant is mainly the inorganic mineral that can make in component
Material and organic material can be preferably combined together.
Preferably, zeolite is one kind in harmotome, dachiardite, epistilbite or laumontite.
Harmotome, dachiardite, epistilbite and laumontite are the zeolites with larger pore passage structure in zeolite race mineral, this
The pore size of a little zeolites is in the range of 0.4~0.65nm, and the cross section structure of these zeolite cavities more levels off to square
Or circular, the material such as trichlorobromomethane of load required for so can preferably adsorbing and accommodating.
Preferably, dispersant is one kind in sodium tripolyphosphate, calgon or sodium pyrophosphate.
Dispersant selects inorganic phosphor-contained dipersant, due to being inorganic phosphor-contained salt, and it goes back while with peptizaiton
With certain flame retardant effect, certain assisting flame-resistant effect can be played after being added in flame-retardant additive.
Preferably, flame-retardant additive is made by following methods：
1）Diaspore, shepardite and zeolite are crushed to 400~600 mesh, diaspore, shepardite is added after crushing thereto
With 1~1.5 times of absolute ethyl alcohol of zeolite gross mass, while adding dispersant, absolute ethyl alcohol is blotted after stirring；
2）Trichlorobromomethane is added into the product for handling acquisition by step 1, and is well mixed, flame-retardant additive is made.
It is, in order to remove the organic impurities of mineral surfaces, particularly to remove porous mineral table that absolute ethyl alcohol is added in step 1
The organic impurities in face, enables its duct to be exposed, and improves its absorption property；Removing absolute ethyl alcohol, which is selected, to be blotted rather than dries
Dry mode is diaspore and shepardite kinetics in order to prevent in drying course.
Preferably, being mixed at a temperature of 30~40 DEG C in step 2 carries out ball milling dry-mixed 40~60 minutes.
Therefore, the invention has the advantages that：
（1）The preparation method technique of Slow-rebound polyether polyurethane sponge is simple in the present invention, production efficiency is high and can utilize
Existing equipment is produced, and can faster be put into production；
（2）The Slow-rebound polyether polyurethane sponge prepared by preparation method in the present invention has good low resilience and excellent
Good fire resistance.
Embodiment
Technical scheme is further described with reference to embodiment.
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, all other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
Embodiment 1
A kind of preparation method with anti-flaming function EU sponge, comprises the following steps：
1）Get the raw materials ready：Prepare raw material by following parts by weight：First 65 parts of PPG, the second 10 parts of PPG, trimerization
10 parts of ethoxylated polyhydric alcohol, 8 parts of butyl rubber, the first 0.45 part of catalyst, the second 0.05 part of catalyst, 1.9 parts of silicone oil, 3.0 parts of water,
8 parts of foaming agent, 55 parts of MDI isocyanate, 2.0 parts of flame-retardant additive, 5 parts of chain extender；First PPG is polyether polyols
Alcohol 1621, the second PPG is polyethers GLR-2000, and the 3rd PPG is polyethers GPOP-36/30；First catalyst
For catalyst A33, the second catalyst is A1, and foaming agent is foaming agent 141b；Chain extender is 1,4- butanediols；
2）Dispensing：The first PPG, the second PPG and the 3rd PPG are mixed in a vessel；Connect
In another container and to mix the first catalyst, the second catalyst, silicone oil, water, foaming agent, MDI isocyanate and chain extender
Close；
3）Stirring：Raw material in above-mentioned two container is stirred in cell therefor and obtains the first mixed liquor and second successively
Mixed liquor；
4）Feeding：Temperature in mould to be foamed reached after 50 DEG C, is controlled feeding capacity by formula rate and is fed the into mould
One mixed liquor, the second mixed liquor, butyl rubber and flame-retardant additive；
5）Foaming：Foamed 1 minute in 50 DEG C of foaming mould, and be incubated what is be made with anti-flaming function within 1 hour at 30 DEG C
Slow-rebound polyether polyurethane sponge；
6）Post processing：The Slow-rebound polyether polyurethane sponge with anti-flaming function after foamed heat insulating is cooled down and add again
Work.
Flame-retardant additive is comprised the following raw materials by weight percent：
Diaspore 13wt%, shepardite 25wt%, trichlorobromomethane 10wt%, dispersant 3wt%, zeolite 49wt%；Zeolite boils to hand over
Stone；Dispersant is sodium tripolyphosphate；
Preferably, flame-retardant additive is made by following methods：
1）Diaspore, shepardite and zeolite are crushed to 400 mesh, diaspore, shepardite and boiling is added after crushing thereto
The absolute ethyl alcohol that 1 times of stone gross mass, while adding dispersant, absolute ethyl alcohol is blotted after stirring；
2）Trichlorobromomethane, and dry-mixed 40 points of the ball milling of progress at a temperature of 30 DEG C are added into the product for handling acquisition by step 1
Clock is well mixed, and flame-retardant additive is made.
Embodiment 2
A kind of preparation method with anti-flaming function EU sponge, comprises the following steps：
1）Get the raw materials ready：Prepare raw material by following parts by weight：First 70 parts of PPG, the second 13 parts of PPG, trimerization
17 parts of ethoxylated polyhydric alcohol, 10 parts of butyl rubber, the first 0.50 part of catalyst, the second 0.10 part of catalyst, 2.0 parts of silicone oil, water 3.5
Part, 9 parts of foaming agent, 57 parts of MDI isocyanate, 2.5 parts of flame-retardant additive, 6 parts of chain extender；First PPG is that polyethers is more
First alcohol 1621, the second PPG is polyethers GLR-2000, and the 3rd PPG is polyethers GPOP-36/30；First catalysis
Agent is catalyst A33, and the second catalyst is A1, and foaming agent is foaming agent 141b；Chain extender is 1,6-HD；
2）Dispensing：The first PPG, the second PPG and the 3rd PPG are mixed in a vessel；Connect
In another container and to mix the first catalyst, the second catalyst, silicone oil, water, foaming agent, MDI isocyanate and chain extender
Close；
3）Stirring：Raw material in above-mentioned two container is stirred in cell therefor and obtains the first mixed liquor and second successively
Mixed liquor；
4）Feeding：Temperature in mould to be foamed reached after 50 DEG C, is controlled feeding capacity by formula rate and is fed the into mould
One mixed liquor, the second mixed liquor, butyl rubber and flame-retardant additive；
5）Foaming：Foamed 3 minutes in 50 DEG C of foaming mould, and be incubated what is be made with anti-flaming function within 2 hours at 30 DEG C
Slow-rebound polyether polyurethane sponge；
6）Post processing：The Slow-rebound polyether polyurethane sponge with anti-flaming function after foamed heat insulating is cooled down and add again
Work.
Flame-retardant additive is comprised the following raw materials by weight percent：
Diaspore 14wt%, shepardite 27wt%, trichlorobromomethane 11wt%, dispersant 4wt%, zeolite 44wt%；Zeolite is that ring is brilliant
Zeolite；Dispersant is calgon；
Preferably, flame-retardant additive is made by following methods：
1）Diaspore, shepardite and zeolite are crushed to 450 mesh, diaspore, shepardite and boiling is added after crushing thereto
The absolute ethyl alcohol that 1 times of stone gross mass, while adding dispersant, absolute ethyl alcohol is blotted after stirring；
2）Trichlorobromomethane, and dry-mixed 50 points of the ball milling of progress at a temperature of 30 DEG C are added into the product for handling acquisition by step 1
Clock is well mixed, and flame-retardant additive is made.
Embodiment 3
A kind of preparation method with anti-flaming function EU sponge, comprises the following steps：
1）Get the raw materials ready：Prepare raw material by following parts by weight：First 68 parts of PPG, the second 18 parts of PPG, trimerization
12 parts of ethoxylated polyhydric alcohol, 13 parts of butyl rubber, the first 0.50 part of catalyst, the second 0.10 part of catalyst, 2.0 parts of silicone oil, water 3.5
Part, 11 parts of foaming agent, 59 parts of MDI isocyanate, 4.0 parts of flame-retardant additive, 7 parts of chain extender；First PPG is polyethers
Polyalcohol 1621, the second PPG is polyethers GLR-2000, and the 3rd PPG is polyethers GPOP-36/30；First urges
Agent is catalyst A33, and the second catalyst is A1, and foaming agent is foaming agent 141b；Chain extender is trihydroxy methyl propane；
2）Dispensing：The first PPG, the second PPG and the 3rd PPG are mixed in a vessel；Connect
In another container and to mix the first catalyst, the second catalyst, silicone oil, water, foaming agent, MDI isocyanate and chain extender
Close；
3）Stirring：Raw material in above-mentioned two container is stirred in cell therefor and obtains the first mixed liquor and second successively
Mixed liquor；
4）Feeding：Temperature in mould to be foamed reached after 55 DEG C, is controlled feeding capacity by formula rate and is fed the into mould
One mixed liquor, the second mixed liquor, butyl rubber and flame-retardant additive；
5）Foaming：Foamed 7 minutes in 55 DEG C of foaming mould, and 3.5 hours are incubated at 40 DEG C and be made with anti-flaming function
Slow-rebound polyether polyurethane sponge；
6）Post processing：The Slow-rebound polyether polyurethane sponge with anti-flaming function after foamed heat insulating is cooled down and add again
Work.
Flame-retardant additive is comprised the following raw materials by weight percent：
Diaspore 14wt%, shepardite 29wt%, trichlorobromomethane 11wt%, dispersant 5wt%, zeolite 41wt%；Zeolite boils for post
Stone；Dispersant is calgon；
Preferably, flame-retardant additive is made by following methods：
1）Diaspore, shepardite and zeolite are crushed to 550 mesh, diaspore, shepardite and boiling is added after crushing thereto
The absolute ethyl alcohol that 1.5 times of stone gross mass, while adding dispersant, absolute ethyl alcohol is blotted after stirring；
2）Trichlorobromomethane, and dry-mixed 60 points of the ball milling of progress at a temperature of 40 DEG C are added into the product for handling acquisition by step 1
Clock is well mixed, and flame-retardant additive is made.
Embodiment 4
A kind of preparation method with anti-flaming function EU sponge, comprises the following steps：
1）Get the raw materials ready：Prepare raw material by following parts by weight：First 75 parts of PPG, the second 20 parts of PPG, trimerization
20 parts of ethoxylated polyhydric alcohol, 16 parts of butyl rubber, the first 0.55 part of catalyst, the second 0.15 part of catalyst, 2.1 parts of silicone oil, water 4.0
Part, 12 parts of foaming agent, 61 parts of MDI isocyanate, 4.5 parts of flame-retardant additive, 8 parts of chain extender；First PPG is polyethers
Polyalcohol 1621, the second PPG is polyethers GLR-2000, and the 3rd PPG is polyethers GPOP-36/30；First urges
Agent is catalyst A33, and the second catalyst is A1, and foaming agent is foaming agent 141b；Chain extender is diethylene glycol (DEG)；
2）Dispensing：The first PPG, the second PPG and the 3rd PPG are mixed in a vessel；Connect
In another container and to mix the first catalyst, the second catalyst, silicone oil, water, foaming agent, MDI isocyanate and chain extender
Close；
3）Stirring：Raw material in above-mentioned two container is stirred in cell therefor and obtains the first mixed liquor and second successively
Mixed liquor；
4）Feeding：Temperature in mould to be foamed reached after 55 DEG C, is controlled feeding capacity by formula rate and is fed the into mould
One mixed liquor, the second mixed liquor, butyl rubber and flame-retardant additive；
5）Foaming：Foamed 10 minutes in 55 DEG C of foaming mould, and be incubated what is be made with anti-flaming function within 5 hours at 40 DEG C
Slow-rebound polyether polyurethane sponge；
6）Post processing：The Slow-rebound polyether polyurethane sponge with anti-flaming function after foamed heat insulating is cooled down and add again
Work.
Flame-retardant additive is comprised the following raw materials by weight percent：
Diaspore 15wt%, shepardite 30wt%, trichlorobromomethane 12wt%, dispersant 6wt%, zeolite 37wt%；Zeolite is turbid boiling
Stone；Dispersant is sodium pyrophosphate；
Preferably, flame-retardant additive is made by following methods：
1）Diaspore, shepardite and zeolite are crushed to 600 mesh, diaspore, shepardite and boiling is added after crushing thereto
The absolute ethyl alcohol that 1.5 times of stone gross mass, while adding dispersant, absolute ethyl alcohol is blotted after stirring；
2）Trichlorobromomethane, and dry-mixed 60 points of the ball milling of progress at a temperature of 40 DEG C are added into the product for handling acquisition by step 1
Clock is well mixed, and flame-retardant additive is made.
Characterization result：
There is fire-retardant and low resilience characteristic phase for the Slow-rebound polyether polyurethane sponge with anti-flaming function in the present invention
It is corresponding that fire resistance test and rebound degree test are carried out to it.
Fire resistance is tested and evaluated using UL94 fire-retardant fireproofs level estimate and standard, wherein in above-described embodiment
EU sponge can reach V0 grades of flame-retardancy requirements；
Rebound degree test is tested and evaluated using ISO8307-2008 test machine standards, the poly- ammonia of polyether-type in above-described embodiment
The rebound degree of ester sponge is followed successively by 3.6%, 2.3%, 2.7%, 3.2%, and its low resilience effect is compared to existing production most of on the market
Product will be outstanding.
It should be appreciated that to those skilled in the art, can according to the above description be improved or be become
Change, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (9)
1. a kind of preparation method with anti-flaming function EU sponge, it is characterised in that comprise the following steps：
1）Get the raw materials ready：Prepare raw material by following parts by weight：First 65~75 parts of PPG, the second PPG 10~20
Part, the 3rd 10~20 parts of PPG, 8~16 parts of butyl rubber, the first 0.45~0.55 part of catalyst, the second catalyst
0.05~0.15 part, 1.9~2.1 parts of silicone oil, 3.0~4.0 parts of water, 8~12 parts of foaming agent, 55~61 parts of MDI isocyanate, resistance
Fire 2.0~4.5 parts of additive, 5~8 parts of chain extender；
2）Dispensing：The first PPG, the second PPG and the 3rd PPG are mixed in a vessel；Connect
In another container and to mix the first catalyst, the second catalyst, silicone oil, water, foaming agent, MDI isocyanate and chain extender
Close；
3）Stirring：Raw material in above-mentioned two container is stirred in cell therefor and obtains the first mixed liquor and second successively
Mixed liquor；
4）Feeding：Temperature in mould to be foamed is reached after 50~55 DEG C, is controlled feeding capacity by formula rate and is thrown into mould
Feed the first mixed liquor, the second mixed liquor, butyl rubber and flame-retardant additive；
5）Foaming：Foamed 1~10 minute in 50~55 DEG C of foaming mould, and 1~5 hour is incubated at 30~40 DEG C and be made
Slow-rebound polyether polyurethane sponge with anti-flaming function；
6）Post processing：The Slow-rebound polyether polyurethane sponge with anti-flaming function after foamed heat insulating is cooled down and add again
Work.
2. a kind of preparation method with anti-flaming function EU sponge according to claim 1, its feature exists
In：
The first described PPG is PPG 1621, and the second described PPG is polyethers GLR-2000,
The 3rd described PPG is polyethers GPOP-36/30.
3. a kind of preparation method with anti-flaming function EU sponge according to claim 1, its feature exists
In：
The first described catalyst is catalyst A33, and the second catalyst is A1, and described foaming agent is foaming agent 141b.
4. a kind of preparation method with anti-flaming function EU sponge according to claim 1, its feature exists
In：
Described chain extender is one kind in 1,4- butanediols, 1,6-HD, trihydroxy methyl propane or diethylene glycol (DEG).
5. a kind of preparation method with anti-flaming function EU sponge according to claim 1, its feature exists
Comprised the following raw materials by weight percent in described flame-retardant additive：
13~15wt% of diaspore, 25~30wt% of shepardite, 10~12wt% of trichlorobromomethane, 3~6wt% of dispersant, surplus
For zeolite.
6. a kind of preparation method with anti-flaming function EU sponge according to claim 5, its feature exists
In：
Described zeolite is one kind in harmotome, dachiardite, epistilbite or laumontite.
7. a kind of preparation method with anti-flaming function EU sponge according to claim 5, its feature exists
In：
Described dispersant is one kind in sodium tripolyphosphate, calgon or sodium pyrophosphate.
8. a kind of preparation method with anti-flaming function EU sponge, its feature according to claim 1 or 5
It is that described flame-retardant additive is made by following methods：
1）Boehmite, shepardite and zeolite are crushed to 400~600 mesh, boehmite, shepardite is added after crushing thereto
With 1~1.5 times of absolute ethyl alcohol of zeolite gross mass, while adding dispersant, absolute ethyl alcohol is blotted after stirring；
2）Trichlorobromomethane is added into the product for handling acquisition by step 1, and is well mixed, flame-retardant additive is made.
9. a kind of preparation method with anti-flaming function EU sponge according to claim 8, its feature exists
In：
Being mixed at a temperature of 30~40 DEG C in the step 2 carries out ball milling dry-mixed 40~60 minutes.
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| CN107556447A (en) * | 2017-10-18 | 2018-01-09 | 德清舒华泡沫座椅有限公司 | A kind of EU sponge with anti-flaming function |
| CN107746474A (en) * | 2017-10-18 | 2018-03-02 | 德清舒华泡沫座椅有限公司 | A kind of preparation method of the EU sponge with flame-proof antibiotic function |
| CN107752624A (en) * | 2017-10-18 | 2018-03-06 | 德清舒华泡沫座椅有限公司 | A kind of low resilience latex space pillow |
| CN108164673A (en) * | 2017-12-29 | 2018-06-15 | 浙江省三门中鑫实业有限公司 | A kind of fire-retardant slow-recovery sponge and its manufacturing method for not adding fire retardant |
| CN112011170A (en) * | 2020-09-11 | 2020-12-01 | 浙江派森智能家具股份有限公司 | High-flame-retardance slow-rebound memory polyurethane sponge and processing technology thereof |
| CN113402761A (en) * | 2021-06-29 | 2021-09-17 | 河南德力新能源汽车有限公司 | Low-heat-conduction heat-insulation material for battery pack heat management |
| CN113604029A (en) * | 2021-07-26 | 2021-11-05 | 洪海超 | Flame-retardant slow-rebound memory sponge and preparation method thereof |
| CN115028801A (en) * | 2022-05-06 | 2022-09-09 | 江苏利宏科技发展有限公司 | Slow-rebound polyurethane sponge and preparation method thereof |
| CN116253857A (en) * | 2023-03-24 | 2023-06-13 | 湖北世丰新材料有限公司 | Preparation method of high-flame-retardance sponge |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107556447A (en) * | 2017-10-18 | 2018-01-09 | 德清舒华泡沫座椅有限公司 | A kind of EU sponge with anti-flaming function |
| CN107746474A (en) * | 2017-10-18 | 2018-03-02 | 德清舒华泡沫座椅有限公司 | A kind of preparation method of the EU sponge with flame-proof antibiotic function |
| CN107752624A (en) * | 2017-10-18 | 2018-03-06 | 德清舒华泡沫座椅有限公司 | A kind of low resilience latex space pillow |
| CN108164673A (en) * | 2017-12-29 | 2018-06-15 | 浙江省三门中鑫实业有限公司 | A kind of fire-retardant slow-recovery sponge and its manufacturing method for not adding fire retardant |
| CN112011170A (en) * | 2020-09-11 | 2020-12-01 | 浙江派森智能家具股份有限公司 | High-flame-retardance slow-rebound memory polyurethane sponge and processing technology thereof |
| CN113402761A (en) * | 2021-06-29 | 2021-09-17 | 河南德力新能源汽车有限公司 | Low-heat-conduction heat-insulation material for battery pack heat management |
| CN113604029A (en) * | 2021-07-26 | 2021-11-05 | 洪海超 | Flame-retardant slow-rebound memory sponge and preparation method thereof |
| CN115028801A (en) * | 2022-05-06 | 2022-09-09 | 江苏利宏科技发展有限公司 | Slow-rebound polyurethane sponge and preparation method thereof |
| CN116253857A (en) * | 2023-03-24 | 2023-06-13 | 湖北世丰新材料有限公司 | Preparation method of high-flame-retardance sponge |
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