CN109762135A - It is a kind of high to collapse than polyurethane foam and preparation method thereof - Google Patents
It is a kind of high to collapse than polyurethane foam and preparation method thereof Download PDFInfo
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- CN109762135A CN109762135A CN201910045058.0A CN201910045058A CN109762135A CN 109762135 A CN109762135 A CN 109762135A CN 201910045058 A CN201910045058 A CN 201910045058A CN 109762135 A CN109762135 A CN 109762135A
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- polyurethane foam
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Abstract
The invention discloses a kind of high collapse to compare polyurethane foam, it is made of the first component and the second component, first component is made of the raw material of following parts by weight: 50-100 parts of polyether polyol, 20-70 parts of polymer polyatomic alcohol, 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；Second component is made of the raw material of following parts by weight: 25-45.5 parts of toluene di-isocyanate(TDI).The polymer polyatomic alcohol is made of the raw material of following mass fraction: 70-73% slow-rebound polyether polyol LW-1070,5-7% acrylonitrile, 10-17% styrene, 0.1-0.35% azo-bis-iso-dimethyl, 1-3% ester ethers dispersing agent DP-5000.The present invention, which to prepare molding height and collapses to have than polyurethane foam by adding polymer polyatomic alcohol, preferably collapses performance, so that polyurethane foam bearing capacity with higher.
Description
Technical field
It is the present invention relates to polyurethane field, in particular to a kind of high to collapse than 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 slow rebound polyurethane foam in use, because excessively soft, leads to slow rebound polyurethane foam
Support performance is poor when as cushion, mattress, and when use cannot play a supporting role well, experiences poor.
Summary of the invention
Present invention solves the technical problem that being to provide a kind of high collapse than poly- for above-mentioned defect existing in the prior art
Urethane foam, to solve the problems mentioned in the above background technology.To solve above-mentioned technical problem, the technical side that the present invention takes
Case is as follows:
It is a kind of it is high collapse than polyurethane foam, be made of the first component and the second component, first component by weighing as follows
The raw material of amount number is made: 50-100 parts of polyether polyol, 20-70 parts of polymer polyatomic alcohol, and 1-2 parts of foam stabilizer, foaming agent
0.1-0.5 parts, 0.02-0.03 parts of amine catalyst, 0.1-0.28 parts of tin catalyst；Second component is by following parts by weight
Raw material is made: 25-45.5 parts of toluene di-isocyanate(TDI).
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, the polymer polyatomic alcohol is made of the raw material of following mass fraction: 70-73% is returned slowly
Play polyether polyol LW-1070,5-7% acrylonitrile, 10-17% styrene, 0.1-0.35% azo-bis-iso-dimethyl, 1-
3% ester ethers dispersing agent DP-5000.
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 amine catalyst is one of triethylamine, tripropyl amine (TPA), tri-n-butylamine or two kinds and two
Kind or more mixture.
Of the invention also provides a kind of high preparation method collapsed than polyurethane foam, to solve to mention in above-mentioned background technique
Out the problem of.To solve above-mentioned technical problem, the technical solution adopted by the present invention is as follows:
A kind of high preparation method collapsed than polyurethane foam, includes the following steps:
The first step, preheating are built-in with the reaction kettle of thermometer and blender, stablize the temperature in reaction kettle at 25 DEG C；
Second step is respectively put into polyether polyol, polymer polyatomic alcohol, foam stabilizer, foaming agent, amine catalysis into reaction kettle
Then agent, tin catalyst are stirred 5-7s with 4000-5000r/min clockwise, are then stirred counterclockwise with 4000-5000r/min
It is uniformly mixed；
Then toluene di-isocyanate(TDI) is added in third step into reaction kettle, while high counterclockwise with 5000-6000r/min
Injection mold foaming after speed mixing；
4th step is transported to temperature after foaming and maintains in 90 DEG C of baking oven and heats 20s, and curing is shaped to height and collapses
Compare polyurethane foam.
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, the polymer polyatomic alcohol the preparation method is as follows:
Step 1, preheating are built-in with the reaction vessel of condenser pipe, thermometer, blender, stablize the temperature of reaction vessel
At 80 DEG C；
Step 2 is put into slow-rebound polyether polyol LW-1070, acrylonitrile, styrene, azo into reaction vessel simultaneously
Two isobutyl dimethyl phthalates, ester ethers dispersing agent DP-5000, then stir 30min with 2000-3000r/min clockwise；
Reaction vessel is vacuumized and is cooled to 20 DEG C by step 3, obtained polymer polyatomic alcohol.
Compared with prior art, the beneficial effects of the present invention are: the present invention to make by adding polymer polyatomic alcohol
Standby molding height, which collapses to have than polyurethane foam, preferably collapses performance, enables polyurethane foam carrying with higher
Power.
Specific embodiment
The present invention is described in further detail below.
Embodiment 1, it is a kind of it is high collapse than polyurethane foam, be made of the first component and the second component, first component
It is made of the raw material of following parts by weight: 50 parts of polyether polyol, 50 parts of polymer polyatomic alcohol, 2 parts of foam stabilizer, foaming agent 0.5
Part, 0.03 part of amine catalyst, 0.28 part of tin catalyst；Second component is made of the raw material of following parts by weight: toluene two
45.5 parts of isocyanates.
The polymer polyatomic alcohol is made of the raw material of following mass fraction: 73% slow-rebound polyether polyol LW-1070,
7% acrylonitrile, 16.65% styrene, 0.35% azo-bis-iso-dimethyl, 3% ester ethers dispersing agent DP-5000.
The foam stabilizer is silicone oil.The foaming agent is water.The amine catalyst is triethylamine, tripropyl amine (TPA), tri-n-butylamine three
The mixture of person.
Embodiment 2, it is a kind of it is high collapse than polyurethane foam, be made of the first component and the second component, first component
It is made of the raw material of following parts by weight: 60 parts of polyether polyol, 40 parts of polymer polyatomic alcohol, 2 parts of foam stabilizer, foaming agent 0.5
Part, 0.03 part of amine catalyst, 0.28 part of tin catalyst；Second component is made of the raw material of following parts by weight: toluene two
45.5 parts of isocyanates.
The polymer polyatomic alcohol is made of the raw material of following mass fraction: 73% slow-rebound polyether polyol LW-1070,
7% acrylonitrile, 16.65% styrene, 0.35% azo-bis-iso-dimethyl, 3% ester ethers dispersing agent DP-5000.
The foam stabilizer is silicone oil.The foaming agent is water.The amine catalyst is triethylamine, tripropyl amine (TPA), tri-n-butylamine three
The mixture of person.
Embodiment 3, it is a kind of it is high collapse than polyurethane foam, be made of the first component and the second component, first component
It is made of the raw material of following parts by weight: 70 parts of polyether polyol, 30 parts of polymer polyatomic alcohol, 2 parts of foam stabilizer, foaming agent 0.5
Part, 0.03 part of amine catalyst, 0.28 part of tin catalyst；Second component is made of the raw material of following parts by weight: toluene two
45.5 parts of isocyanates.
The polymer polyatomic alcohol is made of the raw material of following mass fraction: 73% slow-rebound polyether polyol LW-1070,
7% acrylonitrile, 16.65% styrene, 0.35% azo-bis-iso-dimethyl, 3% ester ethers dispersing agent DP-5000.
The foam stabilizer is silicone oil.The foaming agent is water.The amine catalyst is triethylamine, tripropyl amine (TPA), tri-n-butylamine three
The mixture of person.
Embodiment 4, it is a kind of it is high collapse than polyurethane foam, be made of the first component and the second component, first component
It is made of the raw material of following parts by weight: 80 parts of polyether polyol, 20 parts of polymer polyatomic alcohol, 2 parts of foam stabilizer, foaming agent 0.5
Part, 0.03 part of amine catalyst, 0.28 part of tin catalyst；Second component is made of the raw material of following parts by weight: toluene two
45.5 parts of isocyanates.
The polymer polyatomic alcohol is made of the raw material of following mass fraction: 73% slow-rebound polyether polyol LW-1070,
7% acrylonitrile, 16.65% styrene, 0.35% azo-bis-iso-dimethyl, 3% ester ethers dispersing agent DP-5000.
The foam stabilizer is silicone oil.The foaming agent is water.The amine catalyst is triethylamine, tripropyl amine (TPA), tri-n-butylamine three
The mixture of person.
Wherein above-mentioned parts by weight are relative weight number, and 1 part of weight is set to 5 kilograms in four embodiments.
One height of table is collapsed than polyurethane foam formula and the performance table of comparisons
A kind of high preparation method collapsed than polyurethane foam, includes the following steps:
The first step, preheating are built-in with the reaction kettle of thermometer and blender, stablize the temperature in reaction kettle at 25 DEG C；
Second step is respectively put into polyether polyol, polymer polyatomic alcohol, foam stabilizer, foaming agent, amine catalysis into reaction kettle
Then agent, tin catalyst are stirred 5-7s with 4000-5000r/min clockwise, are then stirred counterclockwise with 4000-5000r/min
It is uniformly mixed；
Then toluene di-isocyanate(TDI) is added in third step into reaction kettle, while high counterclockwise with 5000-6000r/min
Injection mold foaming after speed mixing；
4th step is transported to temperature after foaming and maintains in 90 DEG C of baking oven and heats 20s, and curing is shaped to height and collapses
Compare polyurethane foam.
The polymer polyatomic alcohol the preparation method is as follows:
Step 1, preheating are built-in with the reaction vessel of condenser pipe, thermometer, blender, stablize the temperature of reaction vessel
At 80 DEG C；
Step 2 is put into slow-rebound polyether polyol LW-1070, acrylonitrile, styrene, azo into reaction vessel simultaneously
Two isobutyl dimethyl phthalates, ester ethers dispersing agent DP-5000, then stir 30min with 2000-3000r/min clockwise；
Reaction vessel is vacuumized and is cooled to 20 DEG C by step 3, obtained polymer polyatomic alcohol.
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 (7)
1. a kind of high collapse compares polyurethane foam, it is characterised in that be made of the first component and the second component, first component
It is made of the raw material of following parts by weight: 50-100 parts of polyether polyol, 20-70 parts of polymer polyatomic alcohol, 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；Second component is by following weight
The raw material of number is made: 25-45.5 parts of toluene di-isocyanate(TDI).
2. a kind of high collapse according to claim 1 compares polyurethane foam, it is characterised in that, the polymer polyatomic alcohol by
The raw material of following mass fraction is made: 70-73% slow-rebound polyether polyol LW-1070,5-7% acrylonitrile, 10-17% benzene second
Alkene, 0.1-0.35% azo-bis-iso-dimethyl, 1-3% ester ethers dispersing agent DP-5000.
3. a kind of high collapse according to claim 1 compares polyurethane foam, it is characterised in that, the foam stabilizer be silicone oil or
The mutually embedding copolymer of oxyalkylene-polysiloxanes.
4. a kind of high collapse according to claim 1 compares polyurethane foam, it is characterised in that, the foaming agent is water or water
With the mixture of methylene chloride.
5. a kind of high collapse according to claim 1 compares polyurethane foam, it is characterised in that, the amine catalyst is three second
The mixture of one of amine, tripropyl amine (TPA), tri-n-butylamine or two kinds and two kinds or more.
6. a kind of high preparation method collapsed than polyurethane foam, it is characterised in that, include the following steps:
The first step, preheating are built-in with the reaction kettle of thermometer and blender, stablize the temperature in reaction kettle at 25 DEG C；
Second step, be respectively put into reaction kettle polyether polyol, polymer polyatomic alcohol, foam stabilizer, foaming agent, amine catalyst,
Then tin catalyst stirs 5-7s with 4000-5000r/min clockwise, then stirred counterclockwise with 4000-5000r/min mixed
It closes uniform；
Then toluene di-isocyanate(TDI) is added into reaction kettle, while being mixed at a high speed counterclockwise with 5000-6000r/min for third step
Mold foaming is injected after conjunction；
4th step is transported to temperature after foaming and maintains in 90 DEG C of baking oven and heats 20s, and curing is shaped to height and collapses than poly-
Urethane foam.
7. a kind of high preparation method collapsed than polyurethane foam according to claim 6, it is characterised in that, the polymerization
Object polyalcohol the preparation method is as follows:
Step 1, preheating are built-in with the reaction vessel of condenser pipe, thermometer, blender, stablize the temperature of reaction vessel 80
℃；
Step 2, into reaction vessel, to be put into slow-rebound polyether polyol LW-1070, acrylonitrile, styrene, azo two different simultaneously
Butyric acid dimethyl ester, ester ethers dispersing agent DP-5000, then stir 30min with 2000-3000r/min clockwise；
Reaction vessel is vacuumized and is cooled to 20 DEG C by step 3, obtained polymer polyatomic alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045058.0A CN109762135A (en) | 2019-01-17 | 2019-01-17 | It is a kind of high to collapse than polyurethane foam and preparation method thereof |
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| CN201910045058.0A CN109762135A (en) | 2019-01-17 | 2019-01-17 | It is a kind of high to collapse than polyurethane foam and preparation method thereof |
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| CN201910045058.0A Pending CN109762135A (en) | 2019-01-17 | 2019-01-17 | It is a kind of high to collapse than polyurethane foam and preparation method thereof |
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Cited By (3)
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| CN111909345A (en) * | 2020-08-13 | 2020-11-10 | 荆晓东 | Polyurethane high-resilience cotton for mattress and preparation method thereof |
| CN112063161A (en) * | 2020-08-22 | 2020-12-11 | 福建大方睡眠科技股份有限公司 | Antibacterial yellow-resistant environment-friendly bra cotton and preparation method thereof |
| CN113968956A (en) * | 2020-07-24 | 2022-01-25 | 江苏锐嘉新能源科技有限公司 | High-compression-ratio polyurethane foam and preparation method thereof |
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Cited By (3)
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| CN113968956A (en) * | 2020-07-24 | 2022-01-25 | 江苏锐嘉新能源科技有限公司 | High-compression-ratio polyurethane foam and preparation method thereof |
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Application publication date: 20190517 |