CN101298490B - Memory foam and production method thereof - Google Patents
Memory foam and production method thereof Download PDFInfo
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- CN101298490B CN101298490B CN2008100288282A CN200810028828A CN101298490B CN 101298490 B CN101298490 B CN 101298490B CN 2008100288282 A CN2008100288282 A CN 2008100288282A CN 200810028828 A CN200810028828 A CN 200810028828A CN 101298490 B CN101298490 B CN 101298490B
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- memory foam
- silicon oil
- stannous octoate
- polypropylene glycol
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Abstract
The invention relates to a memory foam and a production method thereof. The formula comprises the raw material with the weight proportion as follows, wherein, the polyether polyol is 47 to 57, the diphenyl methane diisocyanate is 25 to 28, the stannous octoate is 0.1 to 0.5, the water soluble silicon oil is 1 to 2, the triethylene diamine is 0.5 to 1.0, the polypropylene glycol is 2.5 to 3.0 and the water is 2.5 to 3.0. By adopting diphenyl methane diisocyanate (MDI), water soluble silicon oil and polypropylene glycol (PPG350) in the formula, the foam has excellent shape memory and slow resilience properties, thus improving the comfortability of a user and providing perfect support at the same time. The memory foam is usually used for manufacturing home or medical healthcare products, such as pillows for rectifying the cervical spine, mattresses for rectifying the spine and refreshing as well as backrest and seat cushions for relaxing.
Description
Technical field:
The present invention relates to a kind of production method of memory foam.
Background technology:
Memory foam is made up of various tiny particles, after touching body temperature, the meeting nature is along with bodily form deliquescing is sunk, and the load area uniform distribution, make human body obtain comfortable support, memory foam is a kind of functional high molecule material, is a new branch of macromolecular material research, exploitation, application.Along with in-depth to macromolecular structure and characteristic understanding, and the development of macromolecule synthesising technology, macromolecular material is become a reality by structure and the performance that molecular designing obtains expecting.
Memory foam uses modern polymer of science and Polymer Synthesizing and modification technology exactly, and the commodity polymer material is carried out molecular combinations and modification.As macromolecular materials such as polyethylene, polyester, polyisoprene, urethane are carried out molecular combinations and molecular structure adjustment, make them possess the general character of plastics and rubber simultaneously, the character that in the normal temperature scope, has plastics, promptly rigid, dimensionally stable is restorative, under certain temperature (so-called memory temperature), has simultaneously the characteristic of rubber, the deformability and the shape that mainly show as material are restorative, the memory function of material just, the i.e. circulation of " memory initial state-fixed deformation-recovered primary state ".
At present, the macromolecular material with memory performance has urethane, polynorbornene, trans 1,4-polyisoprene, benzene hexene-butadienecopolymer etc.; In addition, urethane, polymeric amide also can show shape memory function under given conditions.
In light weight, advantages such as cost is low, recovery temperature is convenient to adjustment, easy coloring, deformation quantity is big, figuration is easy that memory polymer has.Wherein shape memory polyurethane has that raw materials for production are wide, big, wide, the recovery temperature advantages such as (25～55 ℃) in room temperature range of shape memory range of choice of prescription adjustability, be adapted to moulding processs such as extruding, injection molding, coating, casting, can satisfy the needs of more occasion.In addition, it also has particular performances, and as performances such as air permeability and good (can control according to temperature), antidetonations, these performances and its temperature have very big relevant, and it is used in textile industry becomes possibility.
Summary of the invention:
The object of the present invention is to provide a kind of polyurethane high molecule material with shape memory.Further purpose of the present invention is to provide a kind of polyurethane high molecule material that has flame retardant properties simultaneously.
The present invention, described memory foam comprises that following weight is than raw material: polyether glycol 47-57; Diphenylmethanediisocyanate (MDI) 25-28; Stannous octoate 0.1-0.5; Water-soluble silicon oil 1-2; Triethylene diamine 0.5-1.0; Polypropylene glycol (PPG350) 2.5-3.0; Water 2.5-3.0.
The present invention, described memory foam comprises that also weight ratio is the methyl-phosphoric acid dimethyl ester (DMMP) of 5-10, methyl-phosphoric acid dimethyl ester makes described memory foam have anti-flaming function as fire retardant.The present invention, looking it need also can add an amount of tinting material etc.
The present invention, the production method of described shape memory silk floss, at first, with the stannous octoate of formula ratio with an amount of water dissolution after, again with the polyether glycol of formula ratio, diphenylmethanediisocyanate, methyl-phosphoric acid dimethyl ester, the stannous octoate aqueous solution and water place agitator, in whipping process, polyreaction will be begun to carry out, when temperature of reaction rises to 70-130 ℃, the water-soluble silicon oil that adds formula ratio again, triethylene diamine and polypropylene glycol continue to stir again, pour in the typing groove after making it evenly, leveling, proceed polyreaction, after reaction is finished, form through cooling.
In the prescription of the present invention: polyether glycol and diphenylmethanediisocyanate (MDI) are major ingredient; Stannous octoate and triethylene diamine are catalyzer; Methyl-phosphoric acid dimethyl ester is a fire retardant; Water-soluble silicon oil is a suds-stabilizing agent; Polypropylene glycol PPG350 is a pore-creating agent.
The present invention owing to adopting diphenylmethanediisocyanate (MDI), water-soluble silicon oil and PPG350 in the prescription, makes it have excellent shape memory and slow rebound performance, compares with common sponge, and the key distinction is:
1, resilience: memory foam is a kind of slow resilience silk floss, hand touch can be slowly natural resilience, produce buffer stage, can not produce reactive force, and common sponge is high resilience silk floss to people's health, can the moment bounce-back.
2, viscoelasticity: memory foam product material itself has a kind of viscoelasticity, and common sponge does not have, and viscoelasticity has been described such specific character of material, has both hindered flowing and variation of material shape, can return to the original form or state after deformation again.
3, feel: memory foam is soft comfortable, and common sponge feel is coarse.
4, weight: memory foam density is higher, and weight is heavier relatively.
5, absorb gravity: memory foam can be dissolved pressure, and pressure is disperseed, and reaches zero pressure, such as: egg pounded on memory foam can not break, can be broken on sponge and egg is pounded.
The present invention is owing to have excellent shape memory and slow rebound performance, it has improved user's comfortableness, perfect support is provided simultaneously, is usually used in making family or medical rehabilitation care products, as pillow, rectification vertebra and the mattress that sets up of correcting cervical vertebra, the cushion of release of pressure etc.
For example, the present invention is made the memory foam mattress, has following effect:
1, temperature sense effect.The temperature-sensitive memory particle that memory foam is exclusive can change with body temperature and room temperature temperature sense effect takes place, and can become hard in the time of cold, can limber up in the time of heat.Can sense the variation of your body weight and body temperature, profile changes with your body contour, forms the male and fomale(M﹠F) that meets your build fully, pastes each position of your health of the average support of clothes.
2, support.Press human body weight and body temperature and form fluctuating, regulate only support, dissolve pressure, protection cervical vertebra and vertebra health.
3, dissolve pressure.On the one hand because the memory foam support is good; Because it has slow rebound resilience, when health contacts with it, can not rebound moment, and can produce a buffering course on the other hand, this buffering course is effectively avoided because of the muscle pressurized, reduces and stands up number of times at night.
4, ventilated.Memory foam is made up of ventilation property spheroid cell, and the air of the inside can unrestricted flow, and your sleep is more ventilated, and is pleasant, allows you enter good sleep state fast.
5, stimulate circulation.Memory foam can effectively improve you when sleep, because of neural paralysis or the pain that the muscle pressurized causes, keeps your body inner blood circulation smooth and easy.
6, number of times is stood up in minimizing.It is 80-100 time that ortho stands up number of times every night, and the memory foam mattress of sleeping only need turn over 17-20 time every night, dissolves the pressure injury, reduces and stands up number of times.
7, protection vertebra.Product is according to the human engineering principle design, and applying human body incidence radian keeps the body's natural curve, takees good care of your cervical vertebra health comprehensively.
Embodiment:
At first, with the stannous octoate of 0.2kg with an amount of water (for example 8-10 water doubly) dissolving after, again with formula ratio with polyether glycol 50kg, diphenylmethanediisocyanate (MDI) 24kg, methyl-phosphoric acid dimethyl ester (DMMP) 7kg, the stannous octoate aqueous solution and water 2.6kg place agitator, in whipping process,, when temperature of reaction rises to 70-130 ℃, add water-soluble silicon oil 1.5kg again with beginning to carry out polyreaction, triethylene diamine 0.5kg and polypropylene glycol (PPG350) 2.5kg, continue to pour in the typing groove behind the stirring and evenly mixing, polyreaction is proceeded in leveling again, after reaction is finished, obtain memory foam behind the naturally cooling.
This memory foam main technical details is:
1, when outer pressure Δ P=90Pa, remove back recovery time Δ t=5-6 second, and common sponge recovery time is 1-2 second;
2, pressing sunken intensity is 14 ± 3lb./sq.in (25 ℃);
3, thermal conductivity≤0.03W/m;
4, compression set value≤5%.
After the memory foam cutting, can be made into products such as various pillow, mattress and cushion.
Claims (1)
1. the production method of a memory foam is characterized in that: its prescription comprises that following weight is than raw material: polyether glycol 47-57; Diphenylmethanediisocyanate 25-28; Stannous octoate 0.1-0.5; Water-soluble silicon oil 1-2; Triethylene diamine 0.5-1.0; Polypropylene glycol 2.5-3.0; Water 2.5-3.0; Methyl-phosphoric acid dimethyl ester 5-10, during production, at first, with the stannous octoate of formula ratio with an amount of water dissolution after, polyether glycol, diphenylmethanediisocyanate, methyl-phosphoric acid dimethyl ester, the stannous octoate aqueous solution and water with formula ratio places agitator again, in whipping process, polyreaction will be begun to carry out, when temperature rises to 70-130 ℃, the water-soluble silicon oil, triethylene diamine and the polypropylene glycol that add formula ratio again, continue to pour in the typing groove behind the stirring and evenly mixing, polyreaction is proceeded in leveling again, after reaction is finished, form through cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100288282A CN101298490B (en) | 2008-06-13 | 2008-06-13 | Memory foam and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100288282A CN101298490B (en) | 2008-06-13 | 2008-06-13 | Memory foam and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101298490A CN101298490A (en) | 2008-11-05 |
| CN101298490B true CN101298490B (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100288282A Expired - Fee Related CN101298490B (en) | 2008-06-13 | 2008-06-13 | Memory foam and production method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN101298490B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101897480A (en) * | 2010-06-30 | 2010-12-01 | 百氏得森(上海)精细化工有限公司 | Aroma-emitting underwear chest pad containing essential oil and preparation method thereof |
| CN101905505A (en) * | 2010-07-06 | 2010-12-08 | 杭州长命乳胶海绵有限公司 | Production method of slow-rebound sponge |
| CN102942673B (en) * | 2012-11-19 | 2014-06-04 | 山东一诺威聚氨酯股份有限公司 | Composition for preparing sponge powder puff and preparation method of composition |
| CN103030782B (en) * | 2012-12-05 | 2014-11-05 | 江苏恒康家居科技股份有限公司 | Slow-rebound memory sponge insole material |
| CN103641993B (en) * | 2013-11-13 | 2016-01-06 | 安徽金马海绵有限公司 | A kind of water-tight corrosion-proof sponge and preparation method thereof |
| CN103641990B (en) * | 2013-11-13 | 2016-01-06 | 安徽金马海绵有限公司 | A kind of resilience flame-retardant sponge and preparation method thereof |
| CN103641994B (en) * | 2013-11-13 | 2016-08-17 | 安徽金马海绵有限公司 | A kind of high temperature resistant soft sponge and preparation method thereof |
| CN104761701A (en) * | 2014-01-03 | 2015-07-08 | 罗莱家纺股份有限公司 | Negative ion polyurethane memory foam composition, and preparation method and application thereof |
| CN104292415A (en) * | 2014-03-26 | 2015-01-21 | 湖北富兴环境材料有限公司 | Memory foam and production method thereof |
| CN103937199A (en) * | 2014-05-04 | 2014-07-23 | 吴江源盛工艺鞋业有限公司 | Bamboo charcoal memory sponge, antimicrobial deodorizing insole and shoe |
| CN104193954A (en) * | 2014-09-05 | 2014-12-10 | 甘燕芬 | Method for preparing memory sponge |
| CN106397726A (en) * | 2016-08-31 | 2017-02-15 | 淮安同创泡绵有限公司 | Halogen-free flame retardant slowly-recoverable memory foam |
| CN108402783A (en) * | 2018-04-20 | 2018-08-17 | 革新（厦门）运动器材有限公司 | health-care mattress |
| CN109912774B (en) * | 2019-04-02 | 2021-06-11 | 镇江利德尔复合材料有限公司 | Method for reinforcing mechanical strength of polyurethane shape memory material by organic silicon |
| US11939704B2 (en) | 2020-10-19 | 2024-03-26 | City University Of Hong Kong | Water-responsive shape memory wool fiber, fabric and textile comprising thereof, and method for preparing the same |
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| CN1093381A (en) * | 1994-01-20 | 1994-10-12 | 华南理工大学 | The preparation method of the network-like polyurethane material of oversized hole |
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| CN1648143A (en) * | 2004-01-30 | 2005-08-03 | 香港理工大学 | Polyurethane with shape memory property, composition containing it and shape memory fabric prepared therefrom |
| CN1912230A (en) * | 2005-08-08 | 2007-02-14 | 香港理工大学 | Fibric finishing agent with shape memory function and preparation method thereof |
| CN101016368A (en) * | 2006-12-06 | 2007-08-15 | 北京科聚化工新材料有限公司 | Method of preparing full MDI polyurethane slow rebound foam |
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2008
- 2008-06-13 CN CN2008100288282A patent/CN101298490B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093381A (en) * | 1994-01-20 | 1994-10-12 | 华南理工大学 | The preparation method of the network-like polyurethane material of oversized hole |
| CN1506404A (en) * | 2002-12-12 | 2004-06-23 | 陈春潮 | Flame-retardant cotton |
| CN1648143A (en) * | 2004-01-30 | 2005-08-03 | 香港理工大学 | Polyurethane with shape memory property, composition containing it and shape memory fabric prepared therefrom |
| CN1912230A (en) * | 2005-08-08 | 2007-02-14 | 香港理工大学 | Fibric finishing agent with shape memory function and preparation method thereof |
| CN101016368A (en) * | 2006-12-06 | 2007-08-15 | 北京科聚化工新材料有限公司 | Method of preparing full MDI polyurethane slow rebound foam |
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| CN101298490A (en) | 2008-11-05 |
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