CN109762125A - A kind of nano anti-static polyurethane foam and preparation method thereof - Google Patents
A kind of nano anti-static polyurethane foam and preparation method thereof Download PDFInfo
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- CN109762125A CN109762125A CN201910045066.5A CN201910045066A CN109762125A CN 109762125 A CN109762125 A CN 109762125A CN 201910045066 A CN201910045066 A CN 201910045066A CN 109762125 A CN109762125 A CN 109762125A
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- polyether polyol
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- polyurethane foam
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- static polyurethane
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Abstract
The invention discloses a kind of nano anti-static polyurethane foams, it is made of the first component and the second component, first component is made of the raw material of following parts by weight: polyalcohol 50-100 parts of combination, 1-2 parts of foam stabilizer, 0.1-0.5 parts of foaming agent, 0.02-0.03 parts of amine catalyst, 0.1-0.28 parts of tin catalyst, 2-5 parts of carbon nano tube dispersion liquid；Second component is made of the raw material of following parts by weight: 25-45.5 parts of modified isocyanate；Wherein combination polyalcohol be made of polyether polyol A, polyether polyol B, polyether polyol C, polyether polyol A, polyether polyol B, polyether polyol C mass ratio be 50:30:20.The present invention to prepare molding nano anti-static polyurethane foam with preferable antistatic performance by adding carbon nano tube dispersion liquid, and antistatic performance is influenced small by ambient humidity.
Description
Technical field
The present invention relates to polyurethane field, in particular to a kind of nano anti-static polyurethane foam and preparation method thereof.
Background technique
It is a kind of high molecular material to polyurethane material, and it is numerous to be widely used in national economy because of the performance of its brilliance
Field, wherein polyurethane low resilience urethane foam resilient foam made of foaming polyurethane material is also referred to as memory foam, viscoelastic foam, wide
It is general to be used as pillow, mattress, cushion etc., it is a kind of high-comfort foam.
Existing polyurethane foam often rubs in use so that can be generated in dry weather compared with
More electrostatic charges, electrostatic charge is constantly assembled is easy to happen electric discharge phenomena to a certain extent, and the spark that electric discharge phenomena generate is easy to make
Polyurethane foam burning, be unfavorable for polyurethane foam using safe.
Summary of the invention
Present invention solves the technical problem that being to provide a kind of nano anti-static for above-mentioned defect existing in the prior art
Polyurethane foam, to solve the problems mentioned in the above background technology.To solve above-mentioned technical problem, the technology that the present invention takes
Scheme is as follows:
A kind of nano anti-static polyurethane foam, is made of the first component and the second component, and first component is by as follows
The raw material of parts by weight is made: polyalcohol 50-100 parts of combination, and 1-2 parts of foam stabilizer, 0.1-0.5 parts of foaming agent, amine catalyst
0.02-0.03 parts, 0.1-0.28 parts of tin catalyst, 2-5 parts of carbon nano tube dispersion liquid；Second component is by following parts by weight
Raw material be made: 25-45.5 parts of modified isocyanate；Wherein combination polyalcohol is by polyether polyol A, polyether polyol B, polyethers
Polyalcohol C composition, polyether polyol A, polyether polyol B, polyether polyol C mass ratio be 50:30:20.
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, the polyether polyol A is slow-rebound polyether polyol LW-1070.
In the above-mentioned technical solutions, the polyether polyol B is using glycerol as initiator, the copolymerization that molecular weight is 3000
Object polyether triol.
In the above-mentioned technical solutions, the polyether polyol B is polyether polyol Voranol-3010 defoaming agent, and polyethers is more
The hydroxyl value range of first alcohol B is 52.8-58.5mgKOH/g.
In the above-mentioned technical solutions, the polyether polyol C is to be by initiator, propylene oxide or ethylene oxide of glycerol
Polymerized monomer, the ethylene oxide-capped polyether polyol with high activity 330n for being formed by molecular weight and being 4800, the polyether polyols
The hydroxyl value range of alcohol C is 33.0-37.0mgKOH/g.
In the above-mentioned technical solutions, the foam stabilizer is silicone oil or the mutually embedding copolymer of oxyalkylene-polysiloxanes.
In the above-mentioned technical solutions, the foaming agent is the mixture of water or water and methylene chloride.
In the above-mentioned technical solutions, the concentration of the carbon nano tube dispersion liquid is 0.2%.
Of the invention also provides a kind of preparation method of nano anti-static polyurethane foam, to solve in above-mentioned background technique
The problem of proposition.To solve above-mentioned technical problem, the technical solution adopted by the present invention is as follows:
A kind of preparation method of nano anti-static polyurethane foam is divided in the reaction kettle for being built-in with thermometer and blender
It is not put into polyether polyol A, polyether polyol B, polyether polyol C, foam stabilizer, foaming agent, amine catalyst, tin catalyst and carbon
Then nanotube dispersion liquid is stirred 5-7s with 4000-5000r/min clockwise, is then stirred counterclockwise with 4000-5000r/min
It mixes uniformly mixed, modified isocyanate is added, while into reaction kettle then with 5000-6000r/min mixed at high speed counterclockwise
Injection mold foaming afterwards is transported to temperature after foaming and maintains in 90 DEG C of baking oven and heats 20s, and it is anti-that curing is shaped to nanometer
Electrostatic polyurethane foam；Wherein the temperature of reaction kettle maintains 25 DEG C.
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, the modified isocyanate the preparation method is as follows: being put into urea in the reaction vessel
Diphenyl urea DPU is synthesized with aniline reaction, and methanol is put into reaction vessel and reacts generation carbanilic acid with diphenyl urea DPU
Formaldehyde is then put into reaction vessel and is condensed generation diphenylamino under acid catalysis with methyl phenyl carbamate MPC by methyl esters MPC
Then phenyl isocyanate is put into reaction vessel and carries out catalysis ester friendship with diphenylamino methyl formate MDC by methyl formate MDC
It changes and is prepared into modified isocyanate.
Compared with prior art, the beneficial effects of the present invention are: the present invention is made by adding carbon nano tube dispersion liquid
Molding nano anti-static polyurethane foam is prepared with preferable antistatic performance, antistatic performance is influenced by ambient humidity
It is small.
Specific embodiment
The present invention is described in further detail below.
A kind of embodiment 1, nano anti-static polyurethane foam, is made of the first component and the second component, and described first group
Divide and is made of the raw material of following parts by weight: 100 parts of polyalcohol of combination, 2 parts of foam stabilizer, 0.5 part of foaming agent, amine catalyst 0.03
Part, 0.28 part of tin catalyst, 5 parts of carbon nano tube dispersion liquid；Second component is made of the raw material of following parts by weight: modified
45.5 parts of isocyanates；Wherein combination polyalcohol is made of polyether polyol A, polyether polyol B, polyether polyol C, and polyethers is more
First alcohol A, polyether polyol B, polyether polyol C mass ratio be 50:30:20.Wherein parts by weight are combination polyalcohol
Relative weight number, 1 percent as 1 parts of weight to combine total polyol weight determine 1 part of weight in four embodiments
It is 5 kilograms.
The polyether polyol A is slow-rebound polyether polyol LW-1070.
The polyether polyol B is using glycerol as initiator, the copolymer polyether triol that molecular weight is 3000.
The polyether polyol B is polyether polyol Voranol-3010 defoaming agent, and the hydroxyl value range of polyether polyol B is
52.8-58.5mgKOH/g。
It is polymerized monomer that the polyether polyol C, which is using glycerol as initiator, propylene oxide or ethylene oxide, ethylene oxide
Sealing end is formed by the polyether polyol with high activity 330n that molecular weight is 4800, and the hydroxyl value range of the polyether polyol C is
33.0-37.0mgKOH/g。
The foam stabilizer is silicone oil.The foaming agent is water.The concentration of the carbon nano tube dispersion liquid is 0.2%.
A kind of embodiment 2, nano anti-static polyurethane foam, is made of the first component and the second component, and described first group
Divide and is made of the raw material of following parts by weight: 100 parts of polyalcohol of combination, 2 parts of foam stabilizer, 0.5 part of foaming agent, amine catalyst 0.03
Part, 0.28 part of tin catalyst, 4 parts of carbon nano tube dispersion liquid；Second component is made of the raw material of following parts by weight: modified
45.5 parts of isocyanates；Wherein combination polyalcohol is made of polyether polyol A, polyether polyol B, polyether polyol C, and polyethers is more
First alcohol A, polyether polyol B, polyether polyol C mass ratio be 50:30:20.
The polyether polyol A is slow-rebound polyether polyol LW-1070.
The polyether polyol B is using glycerol as initiator, the copolymer polyether triol that molecular weight is 3000.
The polyether polyol B is polyether polyol Voranol-3010 defoaming agent, and the hydroxyl value range of polyether polyol B is
52.8-58.5mgKOH/g。
It is polymerized monomer that the polyether polyol C, which is using glycerol as initiator, propylene oxide or ethylene oxide, ethylene oxide
Sealing end is formed by the polyether polyol with high activity 330n that molecular weight is 4800, and the hydroxyl value range of the polyether polyol C is
33.0-37.0mgKOH/g。
The foam stabilizer is silicone oil.The foaming agent is water.The concentration of the carbon nano tube dispersion liquid is 0.2%.
A kind of embodiment 3, nano anti-static polyurethane foam, is made of the first component and the second component, and described first group
Divide and is made of the raw material of following parts by weight: 100 parts of polyalcohol of combination, 2 parts of foam stabilizer, 0.5 part of foaming agent, amine catalyst 0.03
Part, 0.28 part of tin catalyst, 3 parts of carbon nano tube dispersion liquid；Second component is made of the raw material of following parts by weight: modified
45.5 parts of isocyanates；Wherein combination polyalcohol is made of polyether polyol A, polyether polyol B, polyether polyol C, and polyethers is more
First alcohol A, polyether polyol B, polyether polyol C mass ratio be 50:30:20.
The polyether polyol A is slow-rebound polyether polyol LW-1070.
The polyether polyol B is using glycerol as initiator, the copolymer polyether triol that molecular weight is 3000.
The polyether polyol B is polyether polyol Voranol-3010 defoaming agent, and the hydroxyl value range of polyether polyol B is
52.8-58.5mgKOH/g。
It is polymerized monomer that the polyether polyol C, which is using glycerol as initiator, propylene oxide or ethylene oxide, ethylene oxide
Sealing end is formed by the polyether polyol with high activity 330n that molecular weight is 4800, and the hydroxyl value range of the polyether polyol C is
33.0-37.0mgKOH/g。
The foam stabilizer is silicone oil.The foaming agent is water.The concentration of the carbon nano tube dispersion liquid is 0.2%.
A kind of embodiment 4, nano anti-static polyurethane foam, is made of the first component and the second component, and described first group
Divide and is made of the raw material of following parts by weight: 100 parts of polyalcohol of combination, 2 parts of foam stabilizer, 0.5 part of foaming agent, amine catalyst 0.03
Part, 0.28 part of tin catalyst, 2 parts of carbon nano tube dispersion liquid；Second component is made of the raw material of following parts by weight: modified
45.5 parts of isocyanates；Wherein combination polyalcohol is made of polyether polyol A, polyether polyol B, polyether polyol C, and polyethers is more
First alcohol A, polyether polyol B, polyether polyol C mass ratio be 50:30:20.
The polyether polyol A is slow-rebound polyether polyol LW-1070.
The polyether polyol B is using glycerol as initiator, the copolymer polyether triol that molecular weight is 3000.
The polyether polyol B is polyether polyol Voranol-3010 defoaming agent, and the hydroxyl value range of polyether polyol B is
52.8-58.5mgKOH/g。
It is polymerized monomer that the polyether polyol C, which is using glycerol as initiator, propylene oxide or ethylene oxide, ethylene oxide
Sealing end is formed by the polyether polyol with high activity 330n that molecular weight is 4800, and the hydroxyl value range of the polyether polyol C is
33.0-37.0mgKOH/g。
The foam stabilizer is silicone oil.The foaming agent is water.The concentration of the carbon nano tube dispersion liquid is 0.2%.
One nano anti-static polyurethane foam composition of raw materials of table and the performance table of comparisons
A kind of preparation method of nano anti-static polyurethane foam is divided in the reaction kettle for being built-in with thermometer and blender
It is not put into polyether polyol A, polyether polyol B, polyether polyol C, foam stabilizer, foaming agent, amine catalyst, tin catalyst and carbon
Then nanotube dispersion liquid is stirred 5-7s with 4000-5000r/min clockwise, is then stirred counterclockwise with 4000-5000r/min
It mixes uniformly mixed, modified isocyanate is added, while into reaction kettle then with 5000-6000r/min mixed at high speed counterclockwise
Injection mold foaming afterwards is transported to temperature after foaming and maintains in 90 DEG C of baking oven and heats 20s, and it is anti-that curing is shaped to nanometer
Electrostatic polyurethane foam；Wherein the temperature of reaction kettle maintains 25 DEG C.
The modified isocyanate synthesizes hexichol with aniline reaction the preparation method is as follows: being put into urea in the reaction vessel
Methanol is put into reaction vessel and reacts generation methyl phenyl carbamate MPC with diphenyl urea DPU, then by formaldehyde by base urea DPU
It is put into reaction vessel to be condensed under acid catalysis with methyl phenyl carbamate MPC and generates diphenylamino methyl formate MDC, then will
Phenyl isocyanate, which is put into reaction vessel, is prepared into modified isocyanic acid with diphenylamino methyl formate MDC progress catalytic transesterification
Ester.
It is not intended to limit the scope of the present invention above, all technical spirits according to the present invention are to above implementation
Any modification, equivalent variations and modification made by example, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of nano anti-static polyurethane foam, it is characterised in that be made of the first component and the second component, described first group
Divide and is made of the raw material of following parts by weight: polyalcohol 50-100 parts of combination, 1-2 parts of foam stabilizer, 0.1-0.5 parts of foaming agent, amine
0.02-0.03 parts of catalyst, 0.1-0.28 parts of tin catalyst, 2-5 parts of carbon nano tube dispersion liquid；Second component by weighing as follows
The raw material of amount number is made: 25-45.5 parts of modified isocyanate；Wherein combination polyalcohol is by polyether polyol A, polyether polyol
B, polyether polyol C form, polyether polyol A, polyether polyol B, polyether polyol C mass ratio be 50:30:20.
2. a kind of nano anti-static polyurethane foam according to claim 1, it is characterised in that, the polyether polyol A
For slow-rebound polyether polyol LW-1070.
3. a kind of nano anti-static polyurethane foam according to claim 1, it is characterised in that, the polyether polyol B
It is using glycerol as initiator, the copolymer polyether triol that molecular weight is 3000.
4. a kind of nano anti-static polyurethane foam according to claim 3, it is characterised in that, the polyether polyol B
For polyether polyol Voranol-3010 defoaming agent, the hydroxyl value range of polyether polyol B is 52.8-58.5mgKOH/g.
5. a kind of nano anti-static polyurethane foam according to claim 1, it is characterised in that, the polyether polyol C
Being using glycerol as initiator, propylene oxide or ethylene oxide is polymerized monomer, the ethylene oxide-capped molecular weight that is formed by is
The hydroxyl value range of 4800 polyether polyol with high activity 330n, the polyether polyol C are 33.0-37.0mgKOH/g.
6. a kind of nano anti-static polyurethane foam according to claim 1, it is characterised in that, the foam stabilizer is silicone oil
Or the mutually embedding copolymer of oxyalkylene-polysiloxanes.
7. a kind of nano anti-static polyurethane foam according to claim 1, it is characterised in that, the foaming agent be water or
The mixture of water and methylene chloride.
8. a kind of nano anti-static polyurethane foam according to claim 1, it is characterised in that, the carbon nanotube dispersion
The concentration of liquid is 0.2%.
9. a kind of preparation method of nano anti-static polyurethane foam, it is characterised in that, it is being built-in with thermometer and blender
Polyether polyol A, polyether polyol B, polyether polyol C, foam stabilizer, foaming agent, amine catalyst, tin are respectively put into reaction kettle
Then catalyst and carbon nano tube dispersion liquid stir 5-7s with 4000-5000r/min, then with 4000-5000r/ clockwise
Min is uniformly mixed counterclockwise, modified isocyanate is added, while into reaction kettle then with the 5000-6000r/min inverse time
Mold foaming is injected after needle mixed at high speed, temperature is transported to after foaming maintains in 90 DEG C of baking oven and heat 20s, be cured into
Type is nano anti-static polyurethane foam；Wherein the temperature of reaction kettle maintains 25 DEG C.
10. a kind of preparation method of nano anti-static polyurethane foam according to claim 9, it is characterised in that, it is described
Modified isocyanate the preparation method is as follows: being put into urea in the reaction vessel synthesizes diphenyl urea DPU with aniline reaction, by first
Alcohol, which is put into reaction vessel to react with diphenyl urea DPU, generates methyl phenyl carbamate MPC, and formaldehyde is then put into reaction vessel
In be condensed under acid catalysis with methyl phenyl carbamate MPC generate diphenylamino methyl formate MDC, then by phenyl isocyanate
It is put into reaction vessel and is prepared into modified isocyanate with diphenylamino methyl formate MDC progress catalytic transesterification.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087938A (en) * | 2019-12-05 | 2020-05-01 | 江苏晶华新材料科技有限公司 | Double-sided foam adhesive tape with electromagnetic shielding function |
| CN111518260A (en) * | 2020-06-03 | 2020-08-11 | 湖南省普瑞达内装材料有限公司 | Novel polyurethane foam composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087938A (en) * | 2019-12-05 | 2020-05-01 | 江苏晶华新材料科技有限公司 | Double-sided foam adhesive tape with electromagnetic shielding function |
| CN111518260A (en) * | 2020-06-03 | 2020-08-11 | 湖南省普瑞达内装材料有限公司 | Novel polyurethane foam composition |
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