CN109929133A - Low resilience memory foam and its manufacturing method - Google Patents
Low resilience memory foam and its manufacturing method Download PDFInfo
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- CN109929133A CN109929133A CN201910170470.5A CN201910170470A CN109929133A CN 109929133 A CN109929133 A CN 109929133A CN 201910170470 A CN201910170470 A CN 201910170470A CN 109929133 A CN109929133 A CN 109929133A
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Abstract
The invention discloses a kind of low resilience memory foams, can be used for preparing mattress, can improve sleep, relieve fatigue, and have healthcare function.A kind of low resilience memory foam, the component including following mass parts: 55-85 parts of slow-rebound polyether polyol mixture, 10-30 parts of polyether polyol for soft PU foam, 10-20 parts of polymer polyatomic alcohol, 5 parts of pearl powder, 30-55 parts of isocyanates, 0.5-1.5 parts of foam stabilizer, 0.2-0.5 parts of amines catalyst, 0.02-0.1 parts of tin catalyst, 1-2.5 parts of water and pore-creating agent 2-5.The invention also discloses a kind of manufacturing methods for above-mentioned low resilience memory foam.
Description
Technical field
The invention belongs to low resilience memory foam technical fields.The invention further relates to a kind of manufactures of low resilience memory foam
Method.
Background technique
It is wide to can be used as absorber since it has the function of shape memory, energy-absorbing, sound-absorbing, damping etc. for low resilience memory foam
It is general to be incorporated in the fields such as household, bedding, automobile parts, footwear material, sports equipment, medical instrument.Memory foam is in people
Daily life in popularize, these daily necessities such as mattress, pillow, back cushion be utilized well memory cotton material power dissipation and
The characteristic being adapted with human body body.
Currently, the main physical property side for concentrating formula applicability and material of the domestic exploitation to low resilience memory foam
Face, it is less to the health care of material bring, the research of comfortable sleep function, it is unable to satisfy the need in high-end sleep household items market
It wants.People are wishing outside functional characteristic of the memory foam product with itself, it is also desirable to can have certain healthcare function, so as to energy
People are helped to alleviate one day fatigue, so that the health of people can be conducive to.
Summary of the invention
The object of the present invention is to provide a kind of low resilience memory foams, can be used for preparing mattress, can improve sleep, delay
Solution fatigue, has healthcare function.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of low resilience memory foam, the component including following mass parts: slow-rebound polyether polyol mixture 55-85
Part, 10-30 parts of polyether polyol for soft PU foam, 10-20 parts of polymer polyatomic alcohol, 5 parts of pearl powder, 30-55 parts of isocyanates, foam stabilizer
0.5-1.5 parts, 0.2-0.5 parts of amines catalyst, 0.02-0.1 parts of tin catalyst, 1-2.5 parts of water and pore-creating agent 2-5.
Preferred embodiment on the basis of above scheme and as above scheme: the slow-rebound polyether polyol mixture
For the polyalcohol of 290~320mgKOH/g of hydroxyl value, 33~39mgKOH/g of polyalcohol and hydroxyl value of 230~250mgKOH/g of hydroxyl value
Polyalcohol mixture, the polyalcohol of 290~320mgKOH/g, the polyalcohol of 230~250mgKOH/g of hydroxyl value and hydroxyl value 33
The mass ratio of the polyalcohol of~39mgKOH/g is 5:12:3.
Preferred embodiment on the basis of above scheme and as above scheme: the polyether polyol for soft PU foam is hydroxyl value 54
The polyalcohol of~58mgKOH/g.
Preferred embodiment on the basis of above scheme and as above scheme: the polymer polyatomic alcohol be hydroxyl value 21~
The polyalcohol of 30mgKOH/g.
Preferred embodiment on the basis of above scheme and as above scheme: the pearl powder is mesh number 500-1200 mesh
Powder.
Preferred embodiment on the basis of above scheme and as above scheme: the isocyanates is that NCO content is
48% toluene di-isocyanate(TDI), the diphenylmethane diisocyanate of model TDI 80/20 or NCO content 32.5%
Ester.
Preferred embodiment on the basis of above scheme and as above scheme: the amines catalyst is 33% triethylene
The dipropylene glycol solution of diamines.
Preferred embodiment on the basis of above scheme and as above scheme: the pore-creating agent is ethylene oxide and the third three
The copolymer of alcohol.
Preferred embodiment on the basis of above scheme and as above scheme: the foam stabilizer is the silicone of low activity
Foam stabiliser.
A kind of manufacturing method for above-mentioned low resilience memory foam, it is characterised in that: including what is successively carried out as follows
Step: (1) it, by slow-rebound polyether polyol and pearl powder is placed in same container and is persistently stirred in the container in proportion
It mixes, remaining component is respectively mounted in a container, control the temperature of each container so that the temperature of the component raw material in it is kept
At 20-25 DEG C；(2), each component is sufficiently mixed by quality proportioning；(3), foaming is carried out in foaming moulding box to be formed
Cavernous body；(4), the cooling curing of cavernous body.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that
Low resilience memory foam of the invention containing pearl powder, and records " pearl, relieving palpitation peace soul according to Compendium of Material Medica
Soul ", pearl is also recorded in the Pharmacopoeia of the People's Republic of China with tranquilizing the mind arresting convulsion effect, for insomnia of palpitating with fear.In addition, pearl powder
In containing " pacify with calm " can be played the role of to brain centres there are many amino acid and microelement, can make after absorption of human body
Degree is excited and the cell of fatigue is caused to be nourished, and is allowed to quiet down, can effectively improve sleep.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with embodiment to technical solution into
Row clearly and completely describes, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.
Based on the embodiment provided, those of ordinary skill in the art are obtained every other under the premise of not making creative work
Embodiment shall fall in the protection scope of this application.
Embodiment one
Present embodiment discloses a kind of low resilience memory foams, are made of the component of following mass parts: slow rebound polyether
65 parts of polyol blends, 20 parts of polyether polyol for soft PU foam, 15 parts of polymer polyatomic alcohol, 5 parts of pearl powder, toluene di-isocyanate(TDI)
37 parts, 1.1 parts of foam stabilizer, 0.3 part of amines catalyst, 0.1 part of tin catalyst, 1.8 parts of water, 2 parts of pore-creating agent.
In the present embodiment, the slow-rebound polyether polyol mixture be 290~320mgKOH/g of hydroxyl value polyalcohol,
The mixture of the polyalcohol of 33~39mgKOH/g of polyalcohol and hydroxyl value of 230~250mgKOH/g of hydroxyl value.The soft bubble polyethers is more
First alcohol is the polyalcohol of 54~58mgKOH/g of hydroxyl value.The polymer polyatomic alcohol is the polyalcohol of 21~30mgKOH/g of hydroxyl value.
The pearl powder is mesh number 500-1200 mesh powder.The isocyanates is the toluene di-isocyanate(TDI) that NCO content is 48%,
Its model TDI 80/20 or the isocyanates are the methyl diphenylene diisocyanate of NCO content 32.5%.It is described
Amines catalyst is the dipropylene glycol solution of 33% triethylene diamine；The tin catalyst is 100% stannous octoate.It is described even
Infusion is the silicone foam stabiliser of low activity.The pore-creating agent is the copolymer of ethylene oxide and glycerine.
Embodiment two,
Present embodiment discloses a kind of low resilience memory foams, are made of the component of following mass parts: slow rebound polyether
65 parts of polyol blends, 20 parts of polyether polyol for soft PU foam, 15 parts of polymer polyatomic alcohol, 5 parts of pearl powder, toluene di-isocyanate(TDI)
34 parts, 1 part of foam stabilizer, 0.3 part of amines catalyst, 0.1 part of tin catalyst, 1.6 parts of water, 3 parts of pore-creating agent.
In the present embodiment, the slow-rebound polyether polyol mixture be 290~320mgKOH/g of hydroxyl value polyalcohol,
The mixture of the polyalcohol of 33~39mgKOH/g of polyalcohol and hydroxyl value of 230~250mgKOH/g of hydroxyl value.The soft bubble polyethers is more
First alcohol is the polyalcohol of 54~58mgKOH/g of hydroxyl value.The polymer polyatomic alcohol is the polyalcohol of 21~30mgKOH/g of hydroxyl value.
The pearl powder is mesh number 500-1200 mesh powder.The isocyanates is the toluene di-isocyanate(TDI) that NCO content is 48%,
Its model TDI 80/20 or the isocyanates are the methyl diphenylene diisocyanate of NCO content 32.5%.It is described
Amines catalyst is the dipropylene glycol solution of 33% triethylene diamine；The tin catalyst is 100% stannous octoate.It is described even
Infusion is the silicone foam stabiliser of low activity.The pore-creating agent is the copolymer of ethylene oxide and glycerine.
Embodiment three,
Present embodiment discloses a kind of low resilience memory foams, are made of the component of following mass parts: slow rebound polyether
65 parts of polyol blends, 20 parts of polyether polyol for soft PU foam, 15 parts of polymer polyatomic alcohol, 5 parts of pearl powder, toluene di-isocyanate(TDI)
30 parts, 0.7 part of foam stabilizer, 0.4 part of amines catalyst, 0.1 part of tin catalyst, 1.1 parts of water, 4 parts of pore-creating agent.
In the present embodiment, the slow-rebound polyether polyol mixture be 290~320mgKOH/g of hydroxyl value polyalcohol,
The mixture of the polyalcohol of 33~39mgKOH/g of polyalcohol and hydroxyl value of 230~250mgKOH/g of hydroxyl value.The soft bubble polyethers is more
First alcohol is the polyalcohol of 54~58mgKOH/g of hydroxyl value.The polymer polyatomic alcohol is the polyalcohol of 21~30mgKOH/g of hydroxyl value.
The pearl powder is mesh number 500-1200 mesh powder.The isocyanates is the toluene di-isocyanate(TDI) that NCO content is 48%,
Its model TDI 80/20 or the isocyanates are the methyl diphenylene diisocyanate of NCO content 32.5%.It is described
Amines catalyst is the dipropylene glycol solution of 33% triethylene diamine；The tin catalyst is 100% stannous octoate.It is described even
Infusion is the silicone foam stabiliser of low activity.The pore-creating agent is the copolymer of ethylene oxide and glycerine.
Example IV,
Present embodiment discloses a kind of low resilience memory foams, are made of the component of following mass parts: slow rebound polyether
75 parts of polyalcohol mixture, 15 parts of polyether polyol for soft PU foam, 10 parts of polymer polyatomic alcohol, 5 parts of pearl powder, diphenyl methane two are different
48 parts of cyanate, 1.5 parts of foam stabilizer, 0.6 part of amines catalyst, 2 parts of water.
In the present embodiment, the slow-rebound polyether polyol mixture be 290~320mgKOH/g of hydroxyl value polyalcohol,
The mixture of the polyalcohol of 33~39mgKOH/g of polyalcohol and hydroxyl value of 230~250mgKOH/g of hydroxyl value.The soft bubble polyethers is more
First alcohol is the polyalcohol of 54~58mgKOH/g of hydroxyl value.The polymer polyatomic alcohol is the polyalcohol of 21~30mgKOH/g of hydroxyl value.
The pearl powder is mesh number 500-1200 mesh powder.The isocyanates is the toluene di-isocyanate(TDI) that NCO content is 48%,
Its model TDI 80/20 or the isocyanates are the methyl diphenylene diisocyanate of NCO content 32.5%.It is described
Amines catalyst is the dipropylene glycol solution of 33% triethylene diamine；The tin catalyst is 100% stannous octoate.It is described even
Infusion is the silicone foam stabiliser of low activity.The pore-creating agent is the copolymer of ethylene oxide and glycerine.
The conduct pair of low resilience memory foam made of pearl powder is not only added according to the quality proportioning component of above-described embodiment
Ratio, using scanning electron microscope (SEM), electronic tensile machine is sent out to test the performance of two kinds of low resilience memory foams respectively
Existing, when not adding pearl powder, percent opening is small, aperture is small, and when addition pearl powder back aperture, percent opening becomes larger, aperture becomes larger.
The low resilience memory foam of above-described embodiment has suitable percent opening, diameter hole, and has hardness appropriate, fits
In as bedding product.
The invention discloses a kind of manufacturing method of low resilience memory foam for manufacturing claims above-described embodiment,
Include the steps that successively carrying out as follows:
(1), slow-rebound polyether polyol and pearl powder are placed in proportion in same container and are continued in the container
Stirring, remaining component is respectively mounted in a container, each component is corresponding to be placed in an individual container, and each appearance is controlled
The temperature of device is so that the temperature of the component raw material in it is maintained at 20-25 DEG C.
(2), each component is sufficiently mixed by quality proportioning.
(3), foaming is carried out in foaming moulding box form cavernous body.
(4), the cooling curing of cavernous body.
Specifically, aforementioned every kind of raw material is placed in proportion in corresponding operation container, then by the temperature of raw material in container
Degree carries out subsequent operation at a temperature of being maintained at 20-25 DEG C, and the raw material conveyed from process container is respectively through each self-measuring
Pump is delivered to mixing head swirling flow by opening solenoid valve through closed conduit and is uniformly mixed as after quality proportioning accurate measurement,
Mixing speed is 4000-5000 revs/min；Foaming is generated during being stirred and gel reaction (generates CO2 etc. to wave when foaming
Volatile material), obtained gelling material is delivered to foaming through overflow or spraying distribution device with 150-320kg/ points of flow velocity and leads to
Foaming is completed in road moulding box, forms blocky low resilience memory foam, then the conveyer belt in foamed moulding box is with 2-3.5 ms/min
Speed be continuously conveyed, the plastic foil of cushioning surface or brown paper are shelled by delaminating equipment after the solidification of blocky memory foam
From being delivered to cutting machine and carry out customized cut-off, be finally delivered to curing warehouse and carry out cold-curing 72 hours or more, be allowed to completely cold
But it cures；Blocky memory foam packet after curing, cutting surrounding epidermis non-serviceable sponge skin really up to the mark or leftover pieces, through cutting
Processing or combination glue spraying obtain the low resilience memory foam product of regulation shape, size.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore: it is all according to
The equivalence changes that structure of the invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (9)
1. a kind of low resilience memory foam, it is characterised in that: the component including following mass parts: slow-rebound polyether polyol mixing
55-85 parts of object, 10-30 parts of polyether polyol for soft PU foam, 10-20 parts of polymer polyatomic alcohol, 5 parts of pearl powder, isocyanates 30-55
Part, 0.5-1.5 parts of foam stabilizer, 0.2-0.5 parts of amines catalyst, 0.02-0.1 parts of tin catalyst, 1-2.5 parts of water and pore-creating agent
2-5。
Low resilience memory foam according to claim 1, it is characterised in that: the slow-rebound polyether polyol mixture is
The polyalcohol of 290~320mgKOH/g of hydroxyl value, 33~39mgKOH/g of polyalcohol and hydroxyl value of 230~250mgKOH/g of hydroxyl value
The mixture of polyalcohol, the polyalcohol of 290~320mgKOH/g, the polyalcohol of 230~250mgKOH/g of hydroxyl value and hydroxyl value 33~
The mass ratio of the polyalcohol of 39mgKOH/g is 5:12:3.
2. low resilience memory foam according to claim 1, it is characterised in that: the polyether polyol for soft PU foam is hydroxyl value 54
The polyalcohol of~58mgKOH/g.
3. low resilience memory foam according to claim 1, it is characterised in that: the polymer polyatomic alcohol be hydroxyl value 21~
The polyalcohol of 30mgKOH/g.
4. low resilience memory foam according to claim 1, it is characterised in that: the pearl powder is mesh number 500-1200 mesh
Powder.
5. low resilience memory foam according to claim 1, it is characterised in that: the isocyanates is that NCO content is
48% toluene di-isocyanate(TDI), the diphenylmethane diisocyanate of model TDI 80/20 or NCO content 32.5%
Ester.
6. low resilience memory foam according to claim 1, it is characterised in that: the amines catalyst is 33% triethylene
The dipropylene glycol solution of diamines.
7. low resilience memory foam according to claim 1, it is characterised in that: the pore-creating agent is ethylene oxide and the third three
The copolymer of alcohol.
8. low resilience memory foam according to claim 1, it is characterised in that: the foam stabilizer is the silicone of low activity
Foam stabiliser.
9. a kind of manufacturing method for the described in any item low resilience memory foams of manufacturing claims 1-9, it is characterised in that:
Include the steps that successively carrying out as follows: (1), by slow-rebound polyether polyol and pearl powder be placed in same container in proportion and
It is persistently stirred in the container, remaining component is respectively mounted in a container, control the temperature of each container so that group in it
The temperature of part raw material is maintained at 20-25 DEG C；(2), each component is sufficiently mixed by quality proportioning；(3), in foaming moulding box
It carries out foaming and forms cavernous body；(4), the cooling curing of cavernous body.
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| CN201910170470.5A CN109929133A (en) | 2019-03-07 | 2019-03-07 | Low resilience memory foam and its manufacturing method |
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| CN201910170470.5A CN109929133A (en) | 2019-03-07 | 2019-03-07 | Low resilience memory foam and its manufacturing method |
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| CN113307934A (en) * | 2021-06-01 | 2021-08-27 | 泉州源利鞋材有限公司 | Low-density slow-resilience sponge and preparation process thereof |
| CN113308019A (en) * | 2021-05-11 | 2021-08-27 | 上海抚佳精细化工有限公司 | Pore forming agent and preparation method and application thereof |
| CN113461894A (en) * | 2021-08-25 | 2021-10-01 | 上海壳麦科技有限公司 | Sponge synthesized by bio-based isocyanate and mattress prepared from sponge |
| CN114478980A (en) * | 2021-12-31 | 2022-05-13 | 嘉兴市维斯科海绵有限公司 | Pearl factor-containing memory foam and skin-friendly sleep-aiding memory foam pillow |
| CN115725041A (en) * | 2021-08-31 | 2023-03-03 | 常州正友海绵科技有限公司 | Hydrophilic memory foam polyurethane material and preparation method thereof |
| CN116589657A (en) * | 2023-05-19 | 2023-08-15 | 沃德丰汽车用品(南通)有限公司 | Breathable water-permeable washable slow rebound sponge |
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