CN104017232B - The method of preparation hydrogel sponge and prepared hydrogel sponge thereof - Google Patents
The method of preparation hydrogel sponge and prepared hydrogel sponge thereof Download PDFInfo
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- CN104017232B CN104017232B CN201410263821.4A CN201410263821A CN104017232B CN 104017232 B CN104017232 B CN 104017232B CN 201410263821 A CN201410263821 A CN 201410263821A CN 104017232 B CN104017232 B CN 104017232B
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Abstract
The invention discloses a kind of method preparing hydrogel sponge, the reactant mixture comprising foaming agent is made to foam to produce hydrogel sponge, reactant mixture is before foaming, it is mixed into the hydrogel material different from reactant mixture color, reactant mixture and hydrogel wherein to be mixed by pipe influx.The hydrogel sponge that the method for the present invention produces, hydrogel is thread being distributed in uniformly in spongiosum, and product not only has cooling feeling, and has the visual effect of uniqueness.
Description
Technical field
The present invention relates to a kind of method preparing hydrogel sponge and hydrogel sponge obtained by this method, belong to sponge foaming Technology field.
Background technology
Sponge is the one of polyurethane foam plastics, belongs to flexible polyurethane foam.Because there being the structure of cellular honeycomb, so having excellent flexibility, elasticity, water absorption, the feature of resistance to water, it is widely used in the industries such as sofa, mattress, clothing, flexible package.But the poor air permeability of sponge, can make human body feel sultry with human contact and can arrange gel layer to solve this problem at sponge surface.But set up the weight of the sponge that gel layer increases at sponge surface, and affect the outward appearance of product.
Hydrogel is the gel with water as disperse medium.Have in the water soluble polymer of cross-linked network and introduce a part of hydrophobic group and hydrophilic residue, hydrophilic residue and water molecules, hydrone is connected to netted inside, and the cross linked polymer of hydrophobic residue water-swellable.Hydrogel is a kind of macromolecule network system, and character is soft, can keep certain shape, can absorb substantial amounts of water.Every water solublity or hydrophilic macromolecule, by certain chemical crosslinking or physical crosslinking, can form hydrogel.These macromolecules can be divided into natural and synthesis two big classes by its source.Natural hydrophilic macromolecule includes polysaccharide (starch, cellulose, alginic acid, hyaluronic acid, chitosan etc.) and many peptides (collagen, polylysine, poly-L-glutamic acid etc.).The hydrophilic high mol of synthesis includes polyethylene, alcohol, acrylic acid and derivatives class (polyacrylic acid, polymethylacrylic acid, polyacrylamide, poly-N-is poly-for acrylamide etc.) thereof.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method preparing hydrogel sponge, and the sponge of preparation has cooling feeling and unique visual effect.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of method preparing hydrogel sponge, the reactant mixture comprising foaming agent is made to foam to produce hydrogel sponge, it is characterized in that: reactant mixture is before foaming, shaping box foaming is arrived after being mixed into the hydrogel material different from reactant mixture color, reactant mixture and hydrogel mixing 0.5～2s wherein.
Further, reactant mixture mixes with hydrogel method particularly includes: reactant mixture mixes in material mixer, is delivered to overflow launder by pipeline after mixing；Hydrogel mixes with reactant mixture in being delivered to overflow launder by three-way pipeline, and incorporation time is 0.5～2s.
Further, described reactant mixture flow in the duct is 100～150 kg/minute, and hydrogel flow in tee T is 4～7 kg/minute.
Further, being prepared as of described hydrogel: after 8～12 parts of polyether polyol, 2～3 parts of isocyanates mixing and stirring, in 1min, add 8～12 parts of foamed polyethers, then add 0.5～5 part of pigment and obtain.
Further, described spongy body is uniformly distributed thread water gel.
Beneficial effects of the present invention:
1, by being mixed into the hydrogel different from its color in the reactive mixture so that the sponge after molding not only has cooling feeling, also there is the visual effect of uniqueness；
2, the formula of hydrogel adds polyethers, effectively prevent hydrogel from solidifying；
3, by setting hydrogel and the mixing point of reactant mixture, control hydrogel and the reactant mixture incorporation time before foaming, increase the nice and cool heat dispersion of also cotton, reduce production cost.If incorporation time is long, hydrogel is thoroughly mixed with reactant mixture, affects performance and the outward appearance of sponge；If incorporation time is the shortest, hydrogel mixes uneven with reactant mixture, causes hydrogel in the sponge after molding to present block distribution in sponge.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is elaborated.
A kind of method preparing hydrogel sponge of the present invention, the reactant mixture comprising foaming agent is made to foam to produce hydrogel sponge, reactant mixture is before foaming, shaping box foaming is arrived after being mixed into the hydrogel material different from reactant mixture color, reactant mixture and hydrogel mixing 0.5～2s wherein.
Embodiment 1
Being mixed in material mixer by reactant mixture, be delivered to overflow launder by pipeline after mixing, flow is 150 kg/minute；Hydrogel mixes with reactant mixture in being delivered to overflow launder by three-way pipeline, and flow is 7 kg/minute, and incorporation time is 0.5s.
After wherein hydrogel is by 10 parts of polyether polyol, 2 parts of isocyanates mixing and stirring, in 1min, add 10 parts of foamed polyethers, then add 1 part of pigment and obtain.
Be scattered here and there in the spongy body that the present embodiment prepares filament shape hydrogel uniformly, has the effect that heat radiation is ventilative.
Embodiment 2
Being mixed in material mixer by reactant mixture, be delivered to overflow launder by pipeline after mixing, flow is 100 kg/minute；Hydrogel mixes with reactant mixture in being delivered to overflow launder by three-way pipeline, and flow is 4 kg/minute, and incorporation time is 1.5s.
Be scattered here and there in the spongy body that the present embodiment prepares thread hydrogel uniformly, and dispersion evenly, has the effect that heat radiation is ventilative.
Embodiment 3
Reactant mixture is mixed in material mixer, after mixing, is delivered to overflow launder by pipeline, flow be 120 kg/minute；Hydrogel mixes with reactant mixture in being delivered to overflow launder by three-way pipeline, and flow is 5 kg/minute, and incorporation time is 1s.
Be scattered here and there in the spongy body that the present embodiment prepares thread hydrogel uniformly, is uniformly dispersed, and has the effect that heat radiation is ventilative.
Above-described embodiment is only in order to illustrate technical scheme; rather than the design and protection domain to the present invention is defined; technical scheme is modified or equivalent by those of ordinary skill in the art; without deviating from objective and the scope of technical scheme, it all should be contained in scope of the presently claimed invention.
Claims (3)
1. the method preparing hydrogel sponge, the reactant mixture comprising foaming agent is made to foam to produce hydrogel sponge, it is characterized in that: reactant mixture is before foaming, shaping box foaming is arrived after being mixed into the hydrogel material different from reactant mixture color, reactant mixture and hydrogel mixing 0.5～2s wherein；Being prepared as of described hydrogel: after 8～12 parts of polyether polyol, 2～3 parts of isocyanates mixing and stirring, adds 8～12 parts of foamed polyethers in 1min, then adds 0.5～5 part of pigment and obtains.
A kind of method preparing hydrogel sponge the most according to claim 1, it is characterised in that: reactant mixture mixes with hydrogel method particularly includes: reactant mixture mixes in material mixer, is delivered to overflow launder by pipeline after mixing；Hydrogel mixes with reactant mixture in being delivered to overflow launder by three-way pipeline, and incorporation time is 0.5～2s.
A kind of method preparing hydrogel sponge the most according to claim 1, it is characterised in that: described reactant mixture flow in the duct is 100～150 kg/minute, and hydrogel flow in tee T is 4～7 kg/minute.
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| CN201410263821.4A CN104017232B (en) | 2014-06-16 | 2014-06-16 | The method of preparation hydrogel sponge and prepared hydrogel sponge thereof |
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| CN201410263821.4A CN104017232B (en) | 2014-06-16 | 2014-06-16 | The method of preparation hydrogel sponge and prepared hydrogel sponge thereof |
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| CN104017232A CN104017232A (en) | 2014-09-03 |
| CN104017232B true CN104017232B (en) | 2016-08-17 |
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| CN106310497A (en) * | 2015-07-01 | 2017-01-11 | 泰升国际科技股份有限公司 | Negative pressure therapeutic apparatus |
| CN110527062B (en) * | 2019-09-11 | 2021-07-20 | 苏州大学 | Color coding supermolecule hydrogel and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103287002A (en) * | 2012-02-28 | 2013-09-11 | 际诺思（厦门）轻工制品有限公司 | Multifunctional sponge and manufacturing method thereof |
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| JPS5927764B2 (en) * | 1977-05-09 | 1984-07-07 | 住友化学工業株式会社 | Manufacturing method of urethane foam with excellent water absorption and water retention properties |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103287002A (en) * | 2012-02-28 | 2013-09-11 | 际诺思（厦门）轻工制品有限公司 | Multifunctional sponge and manufacturing method thereof |
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