CN110527059A - A kind of low temperature perception memory foam and preparation method based on air and structural support - Google Patents
A kind of low temperature perception memory foam and preparation method based on air and structural support Download PDFInfo
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- CN110527059A CN110527059A CN201910704129.3A CN201910704129A CN110527059A CN 110527059 A CN110527059 A CN 110527059A CN 201910704129 A CN201910704129 A CN 201910704129A CN 110527059 A CN110527059 A CN 110527059A
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- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
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- 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
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
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- 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
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- 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
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- 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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- C08G18/28—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
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
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- 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
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
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- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
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Abstract
The invention discloses a kind of low temperature perception memory foam and preparation method based on air and structural support, wherein, the low temperature perception memory foam by air and structural support is made of the raw material based on following parts by weight: 50~90 parts of polyether polyol, 10~40 parts of polymer polyatomic alcohol, 35~50 parts of methyl diphenylene diisocyanate, 10~20 parts of water, 0.5~3 part of foam stabilizer, 0.2~5 part of crosslinking agent, 0.5~4.5 part of chain extender, 3~6 parts of pore-creating agent, 1~3 part of foam stabiliser, 1~3 part of polysiloxane polyether copolymer, 0.3~1.3 part of organotin catalysts and 0.5~1.5 part of amines catalyst.The present invention has the advantages that still to have at low temperature preferably elastic.
Description
Technical field
The invention belongs to memory foam manufacturing technology fields, and in particular to a kind of low temperature sense based on air and structural support
Property memory foam and preparation method.
Background technique
Memory foam is the polyurethane sponge with low resilience characteristic, due to passing through its significant low resilience ability, energy
It crosses and effectively absorbs impact force, reduces vibration, moreover it is possible to external force pressure be adapted to by stress relaxation, therefore be pillow, seat cushion, mattress etc.
The preferred material of bedding.
But existing memory foam is more sensitive to temperature is used, and is easy to be hardened in winter, especially at 8 degrees Celsius
Hereinafter, the flexibility and resilience performance serious loss of memory foam, become stiff, and it is serious to affect the comfort used, it reaches
Less than the due effect of memory foam.
Summary of the invention
Larger, easy appearance deadlock at low temperature is affected by temperature in order to solve use condition present in existing memory foam
Hard problem, the purpose of the present invention is to provide a kind of memory foams at low temperature still to have preferably elastic be based on thus
The low temperature perception memory foam and preparation method of air and structural support.
The technical scheme adopted by the invention is as follows:
A kind of low temperature perception memory foam based on air and structural support, is made: 50 of the raw material of following parts by weight meter
~90 parts of polyether polyol, 10~40 parts of polymer polyatomic alcohol, 35~50 parts of methyl diphenylene diisocyanate, 10~
20 parts of water, 0.5~3 part of foam stabilizer, 0.2~5 part of crosslinking agent, 0.5~4.5 part of chain extender, 3~6 parts of aperture
Agent, 1~3 part of foam stabiliser, 1~3 part of polysiloxane polyether copolymer, 0.3~1.3 part of organotin catalysts and
0.5~1.5 part of amines catalyst.
Optimization, be made of the raw material of following parts by weight meter: 60 parts of polyether polyol, 30 parts of polymer polyatomic alcohol,
40 parts of methyl diphenylene diisocyanate, 15 parts of water, 2 parts of foam stabilizer, 1.5 parts of crosslinking agent, 2 parts of chain extender, 4 parts
Pore-creating agent, 2 parts of foam stabiliser, 2 parts of polysiloxane polyether copolymer, 0.8 part of organotin catalysts and 1 part of amine
Class catalyst.
Specifically, the polyether polyol be hydroxyl value between 30~50mgKOH/g, and molecular weight be 4800 it is more
First alcohol, the polymer polyatomic alcohol are hydroxyl value between 25~40mgKOH/g, and the high activity grafting that molecular weight is 700 is poly-
Ether.
Specifically, the chain extender be ethylenediamine, N, N-dihydroxy aniline, quinhydrones-diether, Isosorbide-5-Nitrae-butanediol, 1,
6-hexylene glycols, glycerol or diethylene glycol (DEG).
Specifically, the foam stabiliser is castor-oil plant sodium alkoxide, water soluble polyether siloxanes or the AK-7703 of vulcanization.
The present invention also provides another technical solutions
A kind of preparation method of the low temperature perception memory foam based on air and structural support, comprising the following steps:
S101. by suitable polyether polyol, polymer polyatomic alcohol, water, foam stabilizer, crosslinking agent, chain extender, pore-creating agent,
Foam stabiliser, polysiloxane polyether copolymer, organotin catalysts, amines catalyst pour into blender, after mixing evenly,
Obtain mixture A；
S102. suitable methyl diphenylene diisocyanate is poured into the mixture A, and stirred evenly, then plus
Temperature is sufficiently reacted to 80~90 DEG C, and cooling obtains mixture B after fully reacting；
S103. the mixture B is evenly distributed on the conveyer belt in the assembly line drying box of workshop by distributor, and
It carries out continuous foamed, is then made the above-mentioned low temperature perception memory foam based on air and structural support after the completion of foaming.
Specifically, the whipping temp in the step S101 between 22 DEG C~40 DEG C, mixing speed 6000rpm, stirs
Time is between 1~2h.
Specifically, the mixing speed in the step S102 is between 4000~5000rpm, mixing time is 10~15 points
Clock.
Specifically, the time sufficiently reacted in the step S102 between 2.5~3.5h, cool down it is described mixed
The temperature of object B is closed between 30~40 DEG C.
Specifically, the temperature in drying box in the step S103 is between 30~40 DEG C, the flow velocity of the distributor is situated between
In 160~400kg/min, the speed of the transmission belt is 0.03~0.076m/s.
The invention has the benefit that
(1) present invention is a kind of low temperature perception memory foam and preparation method based on air and structural support, the present invention
Using polyether polyol, polymer polyatomic alcohol and methyl diphenylene diisocyanate as primary raw material, wherein polymer polyatomic alcohol
For high activity graft polyether.By above-mentioned design, on the one hand, by adding methyl diphenylene diisocyanate, be able to ascend sea
Continuous warming performance makes it still have preferable resilience at low temperature, and keeps soft, and conventional memory sponge is avoided to exist
The problem of being hardened under low temperature improves its comfort used under cryogenic；It on the other hand, can by the way that graft polyether is added
The hardness and opening for adjusting sponge can further improve the opening of sponge, make sea in cooperation foam stabilizer, pore-creating agent
Silk floss has preferable gas permeability；Meanwhile using chain extender and crosslinking agent, the mechanical property and craftsmanship of sponge can be improved
Can, make sponge that there is preferable elasticity and hardness, the further resilience performance and support performance for improving sponge.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the specific of the preparation method of the low temperature perception memory foam provided by the invention based on air and structural support
Steps flow chart schematic diagram.
Fig. 2 is the temperature sensitivity broken line of the low temperature perception memory foam provided by the invention based on air and structural support
Figure.
Specific embodiment
The present invention is further elaborated combined with specific embodiments below.It should be noted that for these implementations
The explanation of example mode is used to help understand the present invention, but and does not constitute a limitation of the invention.
It, will more sufficiently however according to the attached drawing of detailed description given below and various embodiments of the present invention
Ground understands the embodiment of the present invention, however, this is understood not to limit the invention to specific embodiment, but only uses
In explanation and understanding.
Term "and/or" in text, only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A, individualism B exist simultaneously tri- kinds of situations of A and B, the terms
"/and " it is to describe another affiliated partner relationship, indicate may exist two kinds of relationships, for example, A/ and B, can indicate: individually depositing
In A, two kinds of situations of individualism A and B, in addition, character "/" herein, typicallying represent forward-backward correlation object is a kind of "or" pass
System.
Terms used herein are only used for description specific embodiment, and it is real to be not intended to the limitation present invention/invention example
Apply example.As it is used herein, singular "a", "an" and "the" is intended to include plural form, unless civilization up and down
Really instruction contrary.It should also be understood that term " includes ", " including ", "comprising", and/or " containing " make when herein
Used time, specify stated feature, integer, step, operation, unit and/or component existence, and be not excluded for one or more
Other a features, quantity, step, operation, unit, component and/or their combination existence or increase.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the disclosure
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where disclosure range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
In addition, special characteristic, structure, function or characteristic can be combined to one or more implementations in any suitable manner
In example.For example, first embodiment can be in conjunction with second embodiment, as long as special characteristic associated with the two embodiments, knot
Structure, function or characteristic be not mutually exclusive.
Embodiment one
Low temperature perception memory foam based on air and structural support provided by the present embodiment, by following parts by weight meter
Raw material is made: 50~90 parts of polyether polyol, 10~40 parts of polymer polyatomic alcohol, 35~50 parts of diphenyl methane two
Isocyanates, 10~20 parts of water, 0.5~3 part of foam stabilizer, 0.2~5 part of crosslinking agent, 0.5~4.5 part of chain extender, 3
~6 parts of pore-creating agent, 1~3 part of foam stabiliser, 1~3 part of polysiloxane polyether copolymer, 0.3~1.3 part organic
Tin catalyst and 0.5~1.5 part of amines catalyst.
The polyether polyol is a kind of chemicals, it is the oligomer of terminal hydroxy group, and the hydroxyl on main chain is connected by ehter bond,
It is using low molecular weight polyols, polyamine or compound containing active hydrogen as initiator, under the action of catalyst with oxyalkylene
Ring-opening polymerisation forms, and is usually used in manufacturing general polyurethane foam plastics, adhesive and elastomer etc., so the present invention is more by polyethers
Main material one of of first alcohol as memory foam.
Polymer polyatomic alcohol is a kind of polyalcohol containing organic filler, may replace inorganic filler, can not only make polyurethane
Foam bearing capacity with higher and good resilience performance, moreover it is possible to keep the foam structure of foam, physical mechanical property (hard
Degree) it is improved.
Methyl diphenylene diisocyanate, abbreviation MDI have symmetrical point containing there are two phenyl ring in its molecular structure
Minor structure, so can not only make memory foam has good power as one of manufacture memory foam primary raw material
Learn performance, moreover it is possible to which the warming performance for improving memory foam reduces its sensibility to temperature, makes it under cryogenic, still
With good resilience performance.MDI has lower reactivity and fusing point, so, it is provided when manufacturing memory foam
Better mobile performance, that is, the memory foam produced is more soft, and resilience performance more preferably, and is adapted to more wide in range
Use temperature range still keeps soft and elasticity under lower temperature conditions.
Water and polysiloxane polyether copolymer are as foaming stabiliser of the invention, i.e., when carrying out the production of memory foam
Be added, be individually used for as an aqueous solution memory foam housekeeping bath in, can significantly improve memory foam feel,
Antistatic property, and washability and pollution resistance can be reinforced.Simultaneously as polysiloxane polyether copolymer has good viscosity reduction and stream
The shortcomings that levelling can improve the stress between polyurethane resin point well, overcome polyurethane resin itself makes it have preferably
Resilience performance and flexibility.
Foam stabilizer namely our silicone oil for often saying, it is one of essential component in memory foam, it is a kind of
Efficient surfactant has the effects that nucleation, emulsifies each composition in formula, stable foam, makes foam card hole and punching, right
The performance indicators such as foam structure, mechanical strength, the air penetrability of polyurethane foam plastics (i.e. memory foam) and product quality have
Important function.
Crosslinking agent is trimethylolpropane tris (3- aziridinyl propionic ester), is primarily used to improve the bullet of memory foam
Property.Since the molecular structure of the pure and mild polymer polyatomic alcohol of raw material polyether polyols is not when being crosslinked, just as a long line, intensity
It is low, easily break, without elasticity, so, the effect of crosslinking agent is exactly between the molecule of line style to generate chemical bond, makes linear molecule
It is connected with each other, forms reticular structure, which improves the elasticity of memory foam.
Chain extender is also known as chain extender, is that can make strand, molecular weight with the functional group reactions on linear polymer chain
The substance of increase is usually used in improving the mechanical property and processing performance of polyurethane products, i.e., improves memory sea by chain extender
Continuous elasticity.
Pore-creating agent is a kind of special surfactant, generally containing hydrophobicity and hydrophilic segment at group, its effect
It is to reduce foam surface tension, promotes lather collapse, improve the percent opening of polyurethane foam plastics, caused by improves because of closed pore
The problem of soft and semi-rigid, increases the gas permeability and elasticity of the memory foam produced.
Foam stabiliser is also one of the key component for manufacturing memory foam, it can make stomata fine and closely woven uniformly, when manufacture is former
When Material system is in the low-viscosity stage, it stablizes hole wall, and stomata is made to grow into the thickness of suitable aperture, is last aperture
It creates conditions.Foam stabiliser is mainly the tension for reducing raw mixture surface, is raised up to maturation stage in foam, passes through table
The substance that face tension prevents the thermodynamics unstable state of foam from occurring, guarantees going on smoothly for aperture.
Organotin catalysts and amines catalyst mainly play the reaction time of quickening system, promote to carry out between each raw material
The effect more completely reacted.
Meanwhile the present invention passes through addition pore-creating agent, foam stabilizer, polymer polyatomic alcohol and diphenylmethane diisocyanate
Ester, so that the memory foam produced has good gas permeability, in addition, since there are gas in the aperture inside memory foam
Body, so memory foam can be discharged under pressure, and after no pressure, and memory foam can be entered.By above-mentioned design,
Interaction between internal gas and internal network molecular structure, just forms preferable supportive and resilience, is human body
Provide preferable stickiness and comfort.
In the present embodiment, in order to obtain better supportive, nanometer can also be added in the feed and is risen gasifying catalyst,
It after addition, can be reacted with polyether polyol, change the arrangement of the inside aperture structure of memory foam, by air and memory foam
Structure reversely merges, and enables air to play better supporting role inside memory foam, when by the external world accordingly to perseverance
Gas is slowly discharged strength, alleviates to press to sponge structure and bear, and after external force disappears, positive slowly sucking is empty again for structure
Gas is not influencing outside memory performance also while improving the support of structure sponge, substantially increasing resilience and durability.
To sum up, pass through the interaction of above-mentioned raw materials, on the one hand, can make the memory foam produced that there is good temperature
Perceptual energy, reduces its sensibility to temperature, it is made still to have preferable resilience at low temperature, and keeps soft, keeps away
Exempt from the problem of conventional memory sponge is hardened at low temperature, improves its comfort used under cryogenic；On the other hand, pass through
Polymer polyatomic alcohol, which is added, can adjust the hardness and opening of sponge, in cooperation foam stabilizer, pore-creating agent, can further mention
The opening of high sponge makes sponge have preferable gas permeability and supportive；It, can meanwhile using chain extender and crosslinking agent
The mechanical property and processing performance for improving sponge make sponge have preferable elasticity and hardness, further raising sponge
Resilience performance and support performance.
Optimization, the polyether polyol be hydroxyl value between 30~50mgKOH/g, and molecular weight be 4800 it is more
First alcohol, the polymer polyatomic alcohol are hydroxyl value between 25~40mgKOH/g, and the high activity grafting that molecular weight is 700 is poly-
Ether.
By the hydroxyl value of restriction polyether polyol, molecular weight, the tearing strength of the memory foam produced can be increased, because
For tearing strength is related with the molecular weight of polyether polyol, using the polyether polyol of macromolecule, is being equipped with chain extender, i.e.,
The memory foam produced can be made to become reticular structure from column construction, increase the linking point of memory foam internal structure, increased
The elasticity of memory foam.And high activity graft polyether is used to polymer polyatomic alcohol, and and limit its molecular weight and hydroxyl value, then it can be with
It is the hardness and opening that polymer polyatomic alcohol can be improved memory foam, makes memory foam that there is good supportive and breathe freely
Property.
By above-mentioned design, can make memory foam while with flexibility, also with certain support strength with
Gas permeability, memory foam will not deform after prolonged use, increase the comfort used.
Optimization, the chain extender be ethylenediamine, N, N-dihydroxy aniline, quinhydrones-diether, Isosorbide-5-Nitrae-butanediol, 1,
6-hexylene glycols, glycerol or diethylene glycol (DEG).In the present embodiment, the chain extender of illustrating is N, N-dihydroxy aniline, because being added
After N, N-dihydroxy aniline, the hardness of memory foam, elasticity will be higher than traditional chain extender (Isosorbide-5-Nitrae-butanediol, 1,6-oneself
Glycol, glycerol or diethylene glycol (DEG)).
Optimization, the foam stabiliser is castor-oil plant sodium alkoxide, water soluble polyether siloxanes or the AK-7703 of vulcanization.In
In the present embodiment, citing foam stabiliser is the castor-oil plant sodium alkoxide of vulcanization.
Embodiment two
The present embodiment and embodiment one the difference is that, present embodiments provide described based on air and structural support
The concrete content of each raw material in low temperature perception memory foam.
The present embodiment provides the low temperature perception memory foam based on air and structural support, by the original of following parts by weight meter
Material is made: 60 parts of polyether polyol, 30 parts of polymer polyatomic alcohol, 40 parts of methyl diphenylene diisocyanate, 15 parts
Water, 2 parts of foam stabilizer, 1.5 parts of crosslinking agent, 2 parts of chain extender, 4 parts of pore-creating agent, 2 parts of foam stabiliser, 2 parts poly-
Silicone-polyether copolymer, 0.8 part of organotin catalysts and 1 part of amines catalyst.
Embodiment three
The present embodiment and embodiment one the difference is that: the present embodiment will be described low based on air and structural support
Maximum value in Temperature Susceptibility memory foam in the component Example one of each raw material.
Low temperature perception memory foam based on air and structural support provided by the present embodiment, by following parts by weight meter
Raw material is made: 90 parts of polyether polyol, 40 parts of polymer polyatomic alcohol, 50 parts of methyl diphenylene diisocyanate, 20 parts
Water, 3 parts of foam stabilizer, 5 parts of crosslinking agent, 4.5 parts of chain extender, 6 parts of pore-creating agent, 3 parts of foam stabiliser, 3 parts
Polysiloxane polyether copolymer, 1.3 parts of organotin catalysts and 0.5~1.5 part of amines catalyst.
Example IV
The present embodiment and embodiment one the difference is that, the present embodiment will be described low based on air and structural support
Minimum value in Temperature Susceptibility memory foam in the content Example one of each component.
Low temperature perception memory foam based on air and structural support provided by the present embodiment, by following parts by weight meter
Raw material is made: 50 parts of polyether polyol, 10 parts of polymer polyatomic alcohol, 35 parts of methyl diphenylene diisocyanate, 10 parts
Water, 0.5 part of foam stabilizer, 0.2 part of crosslinking agent, 0.5 part of chain extender, 3 parts of pore-creating agent, 1 part of foam stabiliser, 1
The polysiloxane polyether copolymer, 0.3 part of organotin catalysts and 0.5 part of amines catalyst of part.
Embodiment five
The present embodiment and embodiment one the difference is that, the present embodiment will be described low based on air and structural support
Median in the content Example one of Temperature Susceptibility memory foam each component.
Low temperature perception memory foam based on air and structural support provided by the present embodiment, by following parts by weight meter
Raw material is made: 70 parts of polyether polyol, 25 parts of polymer polyatomic alcohol, 42.5 parts of methyl diphenylene diisocyanate, 15
The water, 1.75 parts of foam stabilizer, 2.6 parts of crosslinking agent, 2.5 parts of chain extender, 4.5 parts of pore-creating agent, 2 parts of foam of part are stablized
Agent, 2 parts of polysiloxane polyether copolymer, 0.8 part of organotin catalysts and 1 part of amines catalyst.
Embodiment six
This gives the preparation method for manufacturing the above-mentioned low temperature perception memory foam based on air and structural support,
Wherein, the preparation method comprises the following steps:
S101. by suitable polyether polyol, polymer polyatomic alcohol, water, foam stabilizer, crosslinking agent, chain extender, pore-creating agent,
Foam stabiliser, polysiloxane polyether copolymer, organotin catalysts, amines catalyst pour into blender, after mixing evenly,
Obtain mixture A.
The effect of this step is adequately to be mixed above-mentioned raw materials, and under the catalytic action of catalyst, filled
The reaction divided forms mixture A.
S102. suitable methyl diphenylene diisocyanate is poured into the mixture A, and stirred evenly, then plus
Temperature is sufficiently reacted to 80~90 DEG C, and cooling obtains mixture B after fully reacting.
The effect of this step is to pass through two to react methyl diphenylene diisocyanate adequately with mixture A
Methylenebis phenyl isocyanate improves hardness, the warming performance of mixture A, makes to have by the memory foam that this raw material produces
Good warming performance and supportive.
S103. the mixture B is evenly distributed on the conveyer belt in the assembly line drying box of workshop by distributor, and
It carries out continuous foamed, is then made after the completion of foaming low based on air and structural support as described in 5 any one of Examples 1 to 5
Temperature Susceptibility memory foam.
This step is that the molding process of memory foam ejects distributor by the drying box on assembly line
Mixture B carry out foaming processing, after the completion, can be produced by cutting of different shapes described based on air and knot
The low temperature perception memory foam of structure support.
The present invention uses pipeline system foaming, and speed of production is fast, high-efficient, is suitble to large-scale production.
Optimization, the whipping temp in the step S101 is between 22 DEG C~40 DEG C, mixing speed 6000rpm, stirring
Time is between 1~2h.By above-mentioned design, it can guarantee that each raw material mixes highly uniform in step S101, is conducive to
The progress of lower step process.
Optimization, for the mixing speed in the step S102 between 4000~5000rpm, mixing time is 10~15 points
Clock.
Optimization, the time sufficiently reacted in the step S102, what is cooled down was described mixed between 2.5~3.5h
The temperature of object B is closed between 30~40 DEG C.
By above-mentioned design, mixture A and diphenylmethyl can be made by limiting mixing time, the mixing speed estimated reaction time
Alkane diisocyanate adequately mixes, and making methyl diphenylene diisocyanate adequately improves the mechanical property and Temperature Susceptibility of raw material
Energy.
Optimization, between 30~40 DEG C, the flow velocity of the distributor is situated between the temperature in drying box in the step S103
In 160~400kg/min, the speed of the transmission belt is 0.03~0.076m/s.By above-mentioned design, raw material can be conducive to more
The good molding memory foam.
Embodiment seven
Preparation method of the present embodiment as the low temperature perception memory foam based on air and structural support in embodiment five
Specific embodiment.
The preparation method of low temperature perception memory foam based on air and structural support provided by the present embodiment, including with
Lower step:
S101. by suitable polyether polyol, polymer polyatomic alcohol, water, foam stabilizer, crosslinking agent, chain extender, pore-creating agent,
Foam stabiliser, polysiloxane polyether copolymer, organotin catalysts, amines catalyst pour into blender, in 30 DEG C of temperature
Under the conditions of, mixture A is obtained after stirring 1.5h with 6000rpm speed；
S102. suitable methyl diphenylene diisocyanate is poured into the mixture A, under the conditions of 30 DEG C of temperature,
After being stirred 13 minutes with the speed of 4500rpm, 85 DEG C is heated up to, and react 3h, then cools to 35 DEG C, obtain mixture B；
S103. the mixture B is evenly distributed to the flow velocity of 345kg/min by assembly line drying in workshop by distributor
On conveyer belt in case, and continuous foamed, then obtained implementation after the completion of foaming is carried out with the speed of 0.05m/s under the conditions of 35 DEG C
Low temperature perception memory foam described in 1~5 any one of example based on air and structural support.
It is found through inventor's long-term experiment, when each process parameter setting is such as the present embodiment, the flexibility of memory foam,
It is most preferably the low temperature perception memory foam prepared the present invention is based on air and structural support that warming performance, supportive etc., which reach,
Optimum process selection.
Experimental data:
Embodiment two, embodiment three, example IV and embodiment five are carried out according to the preparation method that embodiment seven provides
The manufacture of memory foam, difference No.1 group, No. two groups, No. three groups and No. four groups.
Respectively by No.1 group, No. two groups, No. three groups and No. four groups according to GB/T22009 " low resilience flexible polyurethane foams
Plastics " standard detected, wherein the standard of detection by subject to the L class standard in GB/T22009 (L class be fill-in pad, lean on
Pad, pillow, neckpillow, other bolsters, earplug etc. and similar applications).Testing result is as shown in one~table of table four.
Table one is the testing result of No.1 group:
Table one:
Table two is the testing result of No. two groups:
Table two:
Table three is the testing result of No. three groups:
Table three:
Table four is the testing result of No. four groups:
Table four:
Met it can be seen from table one, table two, table three and table four using the memory foam that embodiment two to four produces
State quality standard is qualified products, and when each component content such as embodiment two in raw material, the memory foam produced
It can reach best.
Experimental data two:
The memory foam produced according to embodiment two, embodiment three, example IV and embodiment five is subjected to temperature respectively
Sensitivity Detection is spent, as a result such as Fig. 2 institute, Fig. 2 is the temperature sensitivity line chart for indicating memory foam.
It can indicate that the change rate of CLD40% is got over by CLD40% in low resilience urethane foam resilient foam hardness versus temperature sensibility
Greatly, show that the temperature sensitivity of foam is stronger.
Wherein, the memory foam that 1 expression embodiment two produces in figure, i.e. No.1 group；2 indicate that embodiment three manufactures in figure
Memory foam out, i.e. No. two groups；The memory foam that 3 expression example IVs produce in figure, i.e. No. three groups；4 indicate real in figure
Apply the memory foam that example five produces, i.e. No. four groups.
As seen from Figure 2, the memory foam that embodiment two, embodiment three, example IV and embodiment five produce
The change rate of CLD40% is smaller, and especially between 0 to 10 DEG C, CLD40% broken line tends towards stability, and illustrates change rate very little,
Show that the hardness of the memory foam between 0 DEG C to 10 DEG C is influenced by temperature less, what will not be become is stiff, it can normally makes
With.
When each component content such as embodiment two in raw material, i.e. when No. 1 broken line in Fig. 2, the change rate of CLD40% is most
It is small, that is, it is influenced by temperature minimum, the performance of product is best.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all to fall into the claims in the present invention confining spectrum
Technical solution, be within the scope of the present invention.
Claims (10)
1. a kind of low temperature perception memory foam based on air and structural support, which is characterized in that by the original of following parts by weight meter
Material is made: 50~90 parts of polyether polyol, 10~40 parts of polymer polyatomic alcohol, 35~50 parts of two isocyanide of diphenyl methane
Acid esters, 10~20 parts of water, 0.5~3 part of foam stabilizer, 0.2~5 part of crosslinking agent, 0.5~4.5 part of chain extender, 3~6 parts
Pore-creating agent, 1~3 part of foam stabiliser, 1~3 part of polysiloxane polyether copolymer, 0.3~1.3 part organotin catalyzed
Agent and 0.5~1.5 part of amines catalyst.
2. a kind of low temperature perception memory foam based on air and structural support according to claim 1, which is characterized in that
It is made of the raw material of following parts by weight meter: 60 parts of polyether polyol, 30 parts of polymer polyatomic alcohol, 40 parts of diphenyl methane
Diisocyanate, 15 parts of water, 2 parts of foam stabilizer, 1.5 parts of crosslinking agent, 2 parts of chain extender, 4 parts of pore-creating agent, 2 parts of bubble
Foam stabilizers, 2 parts of polysiloxane polyether copolymer, 0.8 part of organotin catalysts and 1 part of amines catalyst.
3. a kind of low temperature perception memory foam based on air and structural support according to claim 1, it is characterised in that:
The polyether polyol is hydroxyl value between 30~50mgKOH/g, and the polyalcohol that molecular weight is 4800, the polymer are more
First alcohol is hydroxyl value between 25~40mgKOH/g, and the high activity graft polyether that molecular weight is 700.
4. a kind of low temperature perception memory foam based on air and structural support according to claim 1, it is characterised in that:
The chain extender be ethylenediamine, N, N-dihydroxy aniline, quinhydrones-diether, 1,4-butanediols, 1,6-hexylene glycols, glycerol or
Diethylene glycol (DEG).
5. a kind of low temperature perception memory foam based on air and structural support according to claim 1, it is characterised in that:
The foam stabiliser is castor-oil plant sodium alkoxide, water soluble polyether siloxanes or the AK-7703 of vulcanization.
6. a kind of preparation method of the low temperature perception memory foam based on air and structural support, which is characterized in that including following
Step:
S101. by suitable polyether polyol, polymer polyatomic alcohol, water, foam stabilizer, crosslinking agent, chain extender, pore-creating agent, foam
Stabilizer, polysiloxane polyether copolymer, organotin catalysts, amines catalyst pour into blender, after mixing evenly, obtain
Mixture A；
S102. suitable methyl diphenylene diisocyanate is poured into the mixture A, and stirred evenly, is then heated up to
80~90 DEG C are sufficiently reacted, and cooling obtains mixture B after fully reacting；
S103. the mixture B is evenly distributed on the conveyer belt in the assembly line drying box of workshop by distributor, and carried out
It is continuous foamed, the low temperature based on air and structural support as claimed in any one of claims 1 to 5, wherein is then made after the completion of foaming
Perceptual memory foam.
7. a kind of preparation method of low temperature perception memory foam based on air and structural support according to claim 6,
It is characterized by: whipping temp in the step S101 is between 22 DEG C~40 DEG C, mixing speed 6000rpm, mixing time
Between 1~2h.
8. a kind of preparation method of low temperature perception memory foam based on air and structural support according to claim 6,
It is characterized by: the mixing speed in the step S102 is between 4000~5000rpm, mixing time is 10~15 minutes.
9. a kind of preparation method of low temperature perception memory foam based on air and structural support according to claim 6,
It is characterized by: the mixture that the time sufficiently reacted in the step S102 between 2.5~3.5h, cools down
The temperature of B is between 30~40 DEG C.
10. a kind of preparation method of low temperature perception memory foam based on air and structural support according to claim 6,
Its feature exists: the temperature in drying box in the step S103 between 30~40 DEG C, the flow velocity of the distributor between 160~
400kg/min, the speed of the transmission belt are 0.03~0.076m/s.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111269375A (en) * | 2020-04-02 | 2020-06-12 | 南京金栖化工集团有限公司 | Low-temperature-sensitive flatulence molding slow-resilience sponge and preparation method thereof |
| CN113480705A (en) * | 2021-08-23 | 2021-10-08 | 安徽美世嘉新材料有限公司 | Ultralow-temperature underwear compression molding cotton and preparation method thereof |
| CN113999363A (en) * | 2021-11-30 | 2022-02-01 | 江苏钟山新材料有限公司 | Preparation method of high-bearing low-temperature insensitive slow-rebound sponge |
| CN115141352A (en) * | 2021-08-03 | 2022-10-04 | 中康之家医学科技(武汉)有限公司 | Electrotherapy shoulder rest and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153722A (en) * | 2011-02-25 | 2011-08-17 | 北京万博汇佳科贸有限公司 | Slow-resilience polyether polyol and method for manufacturing slow-resilience soft foam therewith |
| CN105418889A (en) * | 2015-12-16 | 2016-03-23 | 芜湖馨源海绵有限公司 | Memory sponge with high supporting force |
| CN107011507A (en) * | 2017-05-15 | 2017-08-04 | 福建湄洲湾氯碱工业有限公司 | A kind of preparation and its application of organosilicon modified polyether polyalcohol |
| CN110305289A (en) * | 2019-07-29 | 2019-10-08 | 福建大方睡眠科技股份有限公司 | A kind of non yellowing polyurethane memory cotton and preparation method thereof |
-
2019
- 2019-07-31 CN CN201910704129.3A patent/CN110527059A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153722A (en) * | 2011-02-25 | 2011-08-17 | 北京万博汇佳科贸有限公司 | Slow-resilience polyether polyol and method for manufacturing slow-resilience soft foam therewith |
| CN105418889A (en) * | 2015-12-16 | 2016-03-23 | 芜湖馨源海绵有限公司 | Memory sponge with high supporting force |
| CN107011507A (en) * | 2017-05-15 | 2017-08-04 | 福建湄洲湾氯碱工业有限公司 | A kind of preparation and its application of organosilicon modified polyether polyalcohol |
| CN110305289A (en) * | 2019-07-29 | 2019-10-08 | 福建大方睡眠科技股份有限公司 | A kind of non yellowing polyurethane memory cotton and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 安健鑫，: ""慢回弹软质聚氨酯泡沫的制备与性能研究"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 李剑锋等，: ""慢回弹聚醚多元醇的合成及其在慢回弹泡沫中的应用"", 《中国聚氨醸工业协会第十九次年会论文集2018》 * |
| 李茂元等，: ""低温性能优异的聚氨酯慢回弹软泡用聚醚MH-1800的开发"", 《第九次聚氨酷泡沫塑料生产、科研、技术交流会论文集》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111269375A (en) * | 2020-04-02 | 2020-06-12 | 南京金栖化工集团有限公司 | Low-temperature-sensitive flatulence molding slow-resilience sponge and preparation method thereof |
| CN115141352A (en) * | 2021-08-03 | 2022-10-04 | 中康之家医学科技(武汉)有限公司 | Electrotherapy shoulder rest and application thereof |
| CN115141352B (en) * | 2021-08-03 | 2023-08-29 | 中康之家医学科技(武汉)有限公司 | Electrotherapy shoulder rest and application thereof |
| CN113480705A (en) * | 2021-08-23 | 2021-10-08 | 安徽美世嘉新材料有限公司 | Ultralow-temperature underwear compression molding cotton and preparation method thereof |
| CN113999363A (en) * | 2021-11-30 | 2022-02-01 | 江苏钟山新材料有限公司 | Preparation method of high-bearing low-temperature insensitive slow-rebound sponge |
| CN113999363B (en) * | 2021-11-30 | 2022-10-21 | 江苏钟山新材料有限公司 | Preparation method of high-bearing low-temperature insensitive slow-rebound sponge |
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