CN106083179A - A kind of vermiculite composite diatomite water suction foot pad and preparation method thereof - Google Patents
A kind of vermiculite composite diatomite water suction foot pad and preparation method thereof Download PDFInfo
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- CN106083179A CN106083179A CN201610428098.XA CN201610428098A CN106083179A CN 106083179 A CN106083179 A CN 106083179A CN 201610428098 A CN201610428098 A CN 201610428098A CN 106083179 A CN106083179 A CN 106083179A
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- vermiculite
- foot pad
- water suction
- suction foot
- diatomite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
Abstract
The invention provides a kind of vermiculite composite diatomite water suction foot pad and preparation method thereof, be made up of the component of following parts by weight meter: 40 70 parts of diatomite, expanded vermiculite 10 25 parts, 15 30 parts of calcium hydroxide and wood pulp cellulose 5 20 parts.Vermiculite composite diatomite water suction foot pad provided herein, has superpower water absorbing capacity, quickly exhales wet drying property, insect protected, anticorrosion, the advantage such as mould proof.This composite water absorbing foot pad, has a solid stable layer reticulated porous structures, and powerful adsorption cleaning performance can be by dust floating in air, particulate, virus, harmful substance, and peculiar smell carries out adsorbing and decomposing, thus plays the effect of air cleaning.The preparation method of this foot pad, prepared product structure interconnects occlusion structure as cobweb, inside has countless minute aperture, strengthens compared with raw material suction-operated, have conveniently, the advantage such as simple, easily operated, be suitable for batch production and extensive application.
Description
Technical field
The present invention relates to technical field of composite materials, in particular to a kind of vermiculite composite diatomite water suction foot pad and
Its preparation method.
Background technology
In Modern Family's life, on the doorway in parlor or bathroom frequently with knitting chemical fibre class foot pad.But this class
Some potential safety hazards of existence tasted by household articles.Such as knitting chemical fibre class bath mat, damp after using, after using every time
Needing airing, easily mould mouldy, long, long acarid, generation peculiar smell, need often to clean airing, even if so still having very
How invisible bacterium, germ, needs often to change.The thick carpet in one piece of tea table lower berth, not only fashion but also attractive in appearance, both feet ride over
Also very comfortable above, but equally also bring healthy secret worry.A lot of people's customs are eaten by tea table, once biscuit slag, really
Juice etc. fall to above, will hide among fiber, and cleaning does not thoroughly easily rot, and grows worm mite and bacterium, if pin
Contact sordid carpet, also can cause fungal infection, it is also desirable to periodic cleaning.Plastics silica type bath mat, does not absorbs water, easily
Softening, aging deformation, variable color, it is impossible to meet modern house ornamentation to attractive in appearance and texture requirement.
In view of this, the special proposition present invention.
Content of the invention
The first object of the present invention is to provide a kind of vermiculite composite diatomite water suction foot pad, to solve existing furniture pin
In pad, chemical fibre class product easily grows acarid bacterium, the problem of the yielding variable color of plastics silica type product, described vermiculite diatomite
Composite water absorbing foot pad, has superpower water absorbing capacity, quickly exhales wet drying property, insect protected, anticorrosion, the advantage such as mould proof etc. excellent
Point.Additionally, this vermiculite composite diatomite water suction foot pad has solid, stable layer reticulated porous structures, superpower big adsorption cleaning
Dust floating in air, particulate, virus, harmful substance, peculiar smell can be carried out adsorbing and decomposing, thus play sky by performance
The effect that gas purifies.This foot pad while there is superpower water absorbing properties, the moisture that absorbed can independence rapid evaporation,
The foot pad that absorbs water within the extremely short time returns to drying regime at once, may be used for dehumidifying, the taste removal of bathroom, shoe chest, wardrobe etc.
And deodorizing.In addition, this foot pad also has the effect absorbing radiation.
The second object of the present invention is to provide the preparation method of a kind of described vermiculite composite diatomite water suction foot pad, should
Method, with reference to paper technology, is mated with the preparation of the composite water absorbing foot pad that expanded vermiculite and diatomite are main raw material, this system
Composite water absorbing foot pad prepared by Preparation Method has section stratiform and internal reticulated porous structures, can be seen that product structure from structure
Interconnect occlusion structure as cobweb, inside have countless minute aperture, strengthen compared with raw material suction-operated, there is convenience, letter
The advantage such as single, easily operated, is suitable for batch production and extensive application.
In order to realize the above-mentioned purpose of the present invention, spy by the following technical solutions:
A kind of vermiculite composite diatomite water suction foot pad, is made up of the component of following parts by weight meter:
Diatomite 40-70 part, expanded vermiculite 10-25 part, calcium hydroxide 15-30 part and wood pulp cellulose 5-20 part.
Fabric and raw-vermiculite piece is after high-temperature roasting, and its volume energy expands rapidly several times to tens times, the vermiculite after volumetric expansion
It is just expanded vermiculite.Vermiculite in flake can expand rapidly more than 20 times through its volume of high-temperature roasting, and the proportion after expansion is 60kg/
m3, there is superpower water absorbing properties, the performance such as very strong fire prevention, insulation, sound-insulating and heat-insulating, adsorption cleaning.After high-temperature roasting
Expanded vermiculite, every cubic centimetre has 12000 holes, having super has superpower water absorbing properties, ion exchangeable, radiation to inhale
Receive rejection ability, the release function of negative oxygen ion, air adsorption purification and humidity regulation ability.Vermiculite itself is inorganic material,
Harmful substance will not be produced, by more than 1000 DEG C high-temperature firings, integral asepsis can be reached.
Vermiculite has excellent suction performance and ion-exchange performance, is often made as catalyst, hygroscopic agent, filtration adjuvant
With.Having floating aerial dust, fine particle, virus, harmful substance, peculiar smell carries out adsorbing and decomposing thus play
The effect of air cleaning.The vermiculite of octahedra layer structure is a kind of silicate clay mineral matter, has two-dimensional layered structure, energy
Enough molecules for being mingled with between lamination provide a very big specific surface area (500-800 meters squared per gram).In addition, the isomorphous takes
After the band proton of generation crystal end face and deprotonation, its surface charged, therefore can adsorb inorganic ions, organic ion and pole
Property molecular substance, organic acid etc., especially absorption water and the effect of polar organic molecule is particularly significant.
Additionally, vermiculite has natural cellular structure, self there are superior ion exchange and absorption property.Ion with
After the contact with moisture containing in air, hydrone is broken rapidly presents " water fall effect ".Highly beneficial to health, quilt
The negative oxygen ion being referred to as " vitamin in air " constantly can discharge (about 1200/cubic centimetre) in a large number.Negative oxygen from
Son has sterilization, anti-influenza, promotes body metabolism, the effect improving body immunity.Vermiculite can be by building materials or furniture
In harmful substance VOC (volatile organic matter such as formaldehyde) that discharges and peculiar smell carry out adsorbing and solidifying, formaldehyde is passing through leech
Masonry is to be broken down into CO after catalyst2With H2The material harmless to humans such as O, eliminates the pollution that finishing brings.In addition, vermiculite because
There is excellent ion-exchange performance and superpower absorption property as the absorbing material of natural radiocesium and go to destatic
Obtain world's extensive concern etc. new technology material. discovery after Institute for Atomic Research's investigation of Japan, Fukushima county nuclear pollution area profit
With vermiculite well by cesium ion (Cs+) absorption.Reason be due to vermiculite with negative oxygen ion, cause the same magnesium ion of cesium ion
Swap and be combined with hydrone again.Further illustrate, will be with a lot of radiocesiums from contaminated soil
Vermiculite reclaim, contaminated soil after checking in 20,000 soil grains on only 15 with caesium, this demonstrates leech very well
The caesium that stone is played absorbs decomposition.
Fig. 1 is the sem test picture of expanded vermiculite, it can be seen that expanded vermiculite is layer structure, layer structure
In, there is substantial amounts of hole, therefore expanded vermiculite itself has very big specific surface area, to reach above effect.
Diatomite is a kind of siliceous rock, is mainly distributed on the states such as China, the U.S., Japan, Denmark, France, Romania,
Being a kind of biogenic silicastone, it is mainly made up of the remains of diatom in ancient times.Its chemical composition is with SiO2Based on,
Available SiO2·nH2O represents, mineralogical composition is opal and mutation thereof.Diatom is algae in ocean, lake for the one way of life,
Diatomite takes the natural materials of the biological diatom deposition of aquatic class of swimming before living in millions of year, main component
For opal, rich in multiple beneficial mineral matter, quality is light and soft, and electron microscope shows that its particle surface has countless small hole
Cave, porosity reaches more than 90%, and specific surface area is up to 65m2/g.Diatomite is the cellular mineral of open pore, about 0.001mm～
The micropore of 0.003mm is its feature.The effect of material itself is combined with each other with science effect, makes moisture moment be absorbed and can
Independence moisture vaporization is discharged.This prominent molecular sieve structure just, determines the function tool of its uniqueness
Have extremely strong physical absorption performance and ion-exchange performance.Large area water spray, can quickly absorb a large amount of water, explanation over celite
Adsorptivity is extremely strong；And slow sustained release negative oxygen ion, can harmful carcinogen such as effectively decomposing formaldehyde, benzene, radon gas；Non-sticky ash
Dirt without any heavy metal, do not produce electrostatic, floating dust be difficult to attachment, forever pure and fresh, diatomite is not likely to produce electrostatic, and surface is difficult to
Dust fall, natural environmental-protective, do not contain any nuisance.Fig. 2 is diatomaceous microstructure, can be clearly seen that its cavernous structure,
This some holes can play suction-operated.
Wood pulp cellulose is with string as raw material, and the fibrous material preparing through different processing methods, is former with plant
Material, safety and environmental protection.Play the connectivity increasing product institutional framework in composite water absorbing foot pad, reach product high-intensity high-tenacity
Purpose.
Calcium hydroxide is a kind of white powdery solids, chemical formula Ca (OH)2, it is commonly called as white lime, calcium hydroxide.Vermiculite diatom
In soil composite water absorbing foot pad, utilize the alkalescence of calcium hydroxide to neutralize the acid producing in preparation process, reach to prevent slurry coking, sink
Amass and make each raw material be sufficiently mixed effect.
In the application, two kinds of primary raw material expanded vermiculites are different with diatomaceous particle diameter, two kinds of raw materials in mix and blend,
Diatomite particle can be filled up in the laminar hole structure of expanded vermiculite automatically, makes both fully be combined together, then participates in upper " planting
After fibres ", be equipped with prevent slurry sediment be sufficiently mixed auxiliary agent " calcium hydroxide ", make the connection of traction mutually between feed particles sting
With joint efforts by the reinforcement again of string, constitute reticulated porous structures.
Preferably, described vermiculite composite diatomite water suction foot pad, is made up of the component of following parts by weight meter:
Diatomite 50-60 part, expanded vermiculite 15-20 part, calcium hydroxide 20-30 part and wood pulp cellulose 8-15 part.
Preferably, the particle diameter of described expanded vermiculite is less than 1 millimeter；It is furthermore preferred that the particle diameter of expanded vermiculite is 0.2-0.75
Millimeter.
Preferably, described diatomaceous particle diameter is less than 50 microns；It is furthermore preferred that diatomaceous particle diameter is 40-50 micron；Enter
One step is it is furthermore preferred that described diatomaceous particle diameter is 44 microns.
Expanded vermiculite under this particle diameter and diatomite, in mix and blend, diatomite particle is easier to fill up expansion leech
In the layer structure of stone every two-layer space in, make both fully be combined together, diatomite particle makes expanded vermiculite become one
Individual finer and close layered porous structure, particle can be engaged as interpenetrated with layer structure, obtains that specific surface area is bigger, inhales
The higher layer structure material of attached ability.
The preparation method of a kind of described vermiculite composite diatomite water suction foot pad, comprises the following steps:
Wood pulp cellulose and expanded vermiculite use pulping process be prepared as paper pulp and vermiculite slurry respectively；In the paper pulp loosened
It is sequentially added into vermiculite slurry, diatomite and calcium hydroxide, and carry out defibrination and premixing；Slip good for premixing is carried out making sheet, connect base,
Stacking obtains slab, and slab carries out steam press maintenance, and the then demoulding is dried, and obtains this vermiculite composite diatomite water suction foot pad.
Then " manufacturing paper with pulp " processing technology (such as papermaking principle), every piece " vermiculite water suction foot pad " is the net of up to 9 layers in addition
Shape loose structure, constitutes internal 9 reticulated porous structures deep-rooted mutually, solid stable layer reticulated porous structures.
The preparation method of the vermiculite composite diatomite water suction foot pad that the application provides, with reference to paper technology, coupling is to expand
Vermiculite and diatomite are the preparation of the composite water absorbing foot pad of main raw material, and composite water absorbing foot pad prepared by this preparation method has
Section stratiform and internal reticulated porous structures, be engaged knot from can be seen that structure that product structure interconnects as cobweb
Structure, inside has countless minute aperture, strengthens compared with raw material suction-operated, have conveniently, the advantage such as simple, easily operated, be suitable for batch
Produce and extensive application.The reticulated porous structures of every piece of vermiculite composite diatomite water suction foot pad up to 9 layers, such as Fig. 3 and Fig. 4 institute
Show, constitute internal reticulated porous structures deep-rooted mutually that solid stable layer reticulated porous structures reaches the purpose of absorption
And effect.
Premixing can use streaming mixer to carry out.
Slip can uniformly be flowed out after head box and be layered on the industrial woollen blanket of operating by making sheet, taking out by vacuum systems
Suction strainer water, the thin bed of material is looped around on forming tube, when reaching, by Multi-layered wound, the material base thickness setting, actively goes out cutter and intercepts material
Base.
After sheet material is dried, smooth for guaranteeing plate face, improve presentation quality, the slab after drying also needs by one side sanding
The fixed thick sand of machine is cut.Sheet material after sanding, size as required cuts, then pass through edging chamfering unit, to edges of boards grinding,
Chamfering, edge etc. are disposed.
Preferably, described wood pulp cellulose and expanded vermiculite use pulping process be prepared as paper pulp and the step of vermiculite slurry respectively
In Zhou, specifically include following steps:
Wood pulp cellulose is added in vertical pulper, add water to loosen；Add water abrasive dust, slurrying by expanded vermiculite,
To vermiculite slurry；It is furthermore preferred that the described time loosened is 40-60 minute.
Carrying out pulping to wood pulp cellulose is that defibrination can drop in order to improve its dispersiveness, to loosen and can improve the intensity of paper pulp
Low freedom.
Preferably, the specification of described making sheet is, plate long 2.4-2.5 rice, plate width 1.2-1.3 rice.
Preferably, during described stacking obtains slab, also include: the slab of stacking is carried out pre-maintenance；More preferably
, pre-maintenance uses natural maintenance.
Pre-maintenance is to make slab reach early stage intensity, is beneficial to mechanical stripping stacking.
Preferably, described steam press maintenance uses still kettle to operate, and specifically includes following steps:
First still kettle is vacuumized 30-40 minute, be evacuated to-0.5atm；Then 2-4 hour intensification, raw temperature to 160-are carried out
200 DEG C, under pressure 1.2-1.4MPa, constant temperature and pressure steams 8-10 hour, carries out 3-4 hour of lowering the temperature subsequently.
At high temperature under high pressure, the silica in slab, calcium hydroxide and water generation hydration reaction, ultimately generate Tuo Beimo
Carry out stone and some eakleite crystallize, the intensity of vermiculite composite diatomite water suction foot pad can be effectively increased.Vacuumize before pressurization,
Be more beneficial for steam saving, vermiculite board heat absorption uniform, the steam-cured shortcoming causing can be prevented effectively from.
Preferably, described drying uses dryer, dries and is less than 10% to water content, obtains the water suction of vermiculite composite diatomite
Foot pad.
Vermiculite composite diatomite water suction foot pad provided herein, by selected, unique Recipe of raw material, elder generation
The processing preparation entered and technology, the layer reticulated porous structures vermiculite composite diatomite processing water suction foot pad, have super
Strong water absorbing properties, high intensity and toughness, inorganic raw material is durable in use, fully solves plastic cement silica type foot pad and does not inhales
Water, the shortcoming of easy aging deformation and the easy aging deformation of cotton spinning knitting class foot pad.
Vermiculite composite diatomite water suction foot pad provided herein, has the idiopathic releasability of absorbed moisture
And dust, particulate breakup self-purification capacity, it is achieved thereby that without washing, it is not necessary to maintenance, often keep being dried salubrious clean state,
It is all damp for solving after cotton spinning knitting class foot pad uses every time, needs regular washing airing, plastic cement silica type pin
Pad needs maintenances such as drying after using, be greatly saved the housework time.
Vermiculite composite diatomite water suction foot pad provided herein, main material used is inorganic natural ore physical property material
Material, was all processed through 1000 degree of high temperature above, so not having any miscellaneous bacteria in material.Simultaneously as inorganic mineral material
Itself having anticorrosion, fungi-proofing, insect protected, mildew-resistant, the effect of pre-anti-mite, composite water absorbing foot pad can spontaneously absorb and release in addition
Discharge water molecule, and surface long term keeps dry state, and does not give the place that acarid and mould grow.Solve cotton spinning knitting class class foot pad
Easy mouldy long bacterium, the shortcoming such as peculiar smell.
Vermiculite composite diatomite water suction foot pad provided herein, the countless minute aperture in construction, have absorption different
Taste and the function of adsorption-decomposition function VOC (VOC such as formaldehyde).As long as composite water absorbing foot pad being placed at peculiar smell, i.e.
Can automatic absorption, go to eliminate the unusual smell, use as natural deodoriser, make the comfortable frankness of living environment.The absorption peculiar smell that has, smelly
Taste and the effect of adsorption-decomposition function VOC (VOC such as formaldehyde), be not available in current existing footbed product.
Compared with prior art, the invention have the benefit that
1) vermiculite composite diatomite water suction foot pad, provided herein, has insect protected, anticorrosion, mould proof, moisture absorption, puts
The advantage such as wet.
2) vermiculite composite diatomite water suction foot pad, provided herein, has solid stable layer reticulated porous structures,
Superpower big adsorption cleaning performance, can be by dust floating in air, particulate, virus, harmful substance, and peculiar smell carries out adsorbing and dividing
Solve, thus play the effect of air cleaning.
3) vermiculite composite diatomite water suction foot pad, provided herein, while there is superpower water absorbing properties, institute
Absorb moisture can independence rapid evaporation, within the extremely short time absorb water foot pad at once return to drying regime, Ke Yiyong
Dehumidifying, taste removal and deodorizing in bathroom, shoe chest, wardrobe etc..
4) preparation method of vermiculite composite diatomite water suction foot pad, provided herein, with reference to paper technology, coupling with
Expanded vermiculite and diatomite are the preparation of the composite water absorbing foot pad of main raw material, and prepared product structure is as cobweb
Interconnect occlusion structure, inside have countless minute aperture, strengthen compared with raw material suction-operated, have conveniently, simple, easily operated etc.
Advantage, is suitable for batch production and extensive application.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the accompanying drawing of required use is briefly described.
Fig. 1 is expanded vermiculite micromechanism schematic diagram；
Fig. 2 is diatomite micromechanism schematic diagram；
Fig. 3 is vermiculite composite diatomite water suction foot pad section stratiform structural representation；
Fig. 4 is vermiculite composite diatomite water suction foot pad interior microscopic organigram；
Fig. 5 is sucting wet experiment moisture curve in experimental example 2；
Fig. 6 is to exhale wet experiment moisture curve in experimental example 2.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but those skilled in the art will
Understanding, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.In embodiment unreceipted specifically
Condition person, the condition advised according to normal condition or manufacturer is carried out.Agents useful for same or instrument unreceipted production firm person, be
Can be by the commercially available conventional products bought and obtain.
Embodiment 1
The vermiculite composite diatomite water suction foot pad that the present embodiment is provided, is made up of following raw material:
40 parts of diatomite, expanded vermiculite 10 parts, 15 parts of calcium hydroxide and wood pulp cellulose 5 parts.
The preparation method of this vermiculite composite diatomite water suction foot pad, comprises the following steps:
Wood pulp cellulose and expanded vermiculite use pulping process be prepared as paper pulp and vermiculite slurry respectively；In the paper pulp loosened
It is sequentially added into vermiculite slurry, diatomite and calcium hydroxide, and carry out defibrination and premixing；Slip good for premixing is carried out making sheet, connect base,
Stacking obtains slab, and slab carries out steam press maintenance, and the then demoulding is dried, and obtains this vermiculite composite diatomite water suction foot pad.
Embodiment 2
The vermiculite composite diatomite water suction foot pad that the present embodiment is provided, is made up of following raw material:
70 parts of diatomite, expanded vermiculite 25 parts, 30 parts of calcium hydroxide and wood pulp cellulose 20 parts.
The preparation method of this vermiculite composite diatomite water suction foot pad, comprises the following steps:
Wood pulp cellulose is added in vertical pulper, add yew solution 40 minutes；The abrasive dust that adds water expanded vermiculite makes its grain
Footpath is less than 0.75 millimeter, slurrying, obtains vermiculite slurry；Be sequentially added into vermiculite slurry in the paper pulp loosened, (particle diameter 40 is micro-for diatomite
Rice) and calcium hydroxide, and carry out defibrination and premixing；Slip good for premixing carries out making sheet, plate length 2.4 meters, and plate is wide 1.2 meters, connects
Base, stacking obtain slab, and the slab of stacking is carried out pre-maintenance, and slab carries out steam press maintenance, and the then demoulding is dried extremely aqueous
Amount is less than 10%, obtains this vermiculite composite diatomite water suction foot pad；
Wherein, steam press maintenance uses still kettle to operate, and specifically includes following steps:
First still kettle is vacuumized 30 minutes, be evacuated to-0.4atm；Then carry out 2 hours heating up, raw warm to 160 DEG C, pressure
1.2MPa under, constant temperature and pressure steams 8 hours, carries out subsequently lowering the temperature 3 hours.
Embodiment 3
The vermiculite composite diatomite water suction foot pad that the present embodiment is provided, is made up of following raw material:
50 parts of diatomite, expanded vermiculite 15 parts, 15 parts of calcium hydroxide and wood pulp cellulose 5 parts.
The preparation method of this vermiculite composite diatomite water suction foot pad, comprises the following steps:
Wood pulp cellulose is added in vertical pulper, add yew solution 50 minutes；The abrasive dust that adds water expanded vermiculite makes its grain
Footpath is 0.2-0.75 millimeter, slurrying, obtains vermiculite slurry；Be sequentially added into vermiculite slurry in the paper pulp loosened, (particle diameter 50 is micro-for diatomite
Rice) and calcium hydroxide, and carry out defibrination and premixing；Slip good for premixing carries out making sheet, plate length 2.5 meters, and plate is wide 1.3 meters, connects
Base, stacking obtain slab, and the slab of stacking is carried out pre-maintenance, and slab carries out steam press maintenance, and the then demoulding is dried extremely aqueous
Amount is less than 10%, obtains this vermiculite composite diatomite water suction foot pad；
Wherein, steam press maintenance uses still kettle to operate, and specifically includes following steps:
First still kettle is vacuumized 40 minutes, be evacuated to-0.6atm；Then carry out 4 hours heating up, raw warm to 200 DEG C, pressure
Under 1.4MPa, constant temperature and pressure steams 10 hours, carries out subsequently lowering the temperature 4 hours.
Embodiment 4
The vermiculite composite diatomite water suction foot pad that the present embodiment is provided, is made up of following raw material:
60 parts of diatomite, expanded vermiculite 20 parts, 30 parts of calcium hydroxide and wood pulp cellulose 20 parts.
The preparation method of this vermiculite composite diatomite water suction foot pad, comprises the following steps:
Wood pulp cellulose is added in vertical pulper, add yew solution 60 minutes；The abrasive dust that adds water expanded vermiculite makes its grain
Footpath is 0.2-0.75 millimeter, slurrying, obtains vermiculite slurry；Be sequentially added into vermiculite slurry in the paper pulp loosened, (particle diameter 44 is micro-for diatomite
Rice) and calcium hydroxide, and carry out defibrination and premixing；Slip good for premixing carries out making sheet, plate length 2.44 meters, and plate is wide 1.22 meters,
Connect base, stacking obtains slab, and the slab of stacking is carried out pre-maintenance, and slab carries out steam press maintenance, and the then demoulding is dried to containing
The water yield be less than 10%, sanding, cut, edging, chamfering, obtain this vermiculite composite diatomite water suction foot pad；
Wherein, steam press maintenance uses still kettle to operate, and specifically includes following steps:
First still kettle is vacuumized 40 minutes, be evacuated to-0.5atm；Then carry out 3 hours heating up, raw warm to 180 DEG C, pressure
Under 1.3MPa, constant temperature and pressure steams 9 hours, carries out subsequently lowering the temperature 4 hours.
Experimental example 1 vermiculite composite diatomite water suction foot pad VOC volatile organic matters such as () formaldehyde discharge detection
The composite diatomite water suction foot pad being provided embodiment 1-4 carries out VOC volatile organic matters such as () formaldehyde row
Put detection, test result indicate that, be all not detected as volatile organic matter discharge.
Experimental example 2 vermiculite composite diatomite water suction foot pad moisture absorption, exhale wet experiment
Vermiculite composite diatomite water suction foot pad prepared by embodiment 4 is prepared as casing carry out moisture absorption, exhale wet experiment, tool
Body method is as follows:
(1), vermiculite case essential characteristic
(1) outside basic size: long (480), wide (390), high (590).
(2) inner chamber basic size: long (380), wide (290), high (489).
(3) material: casing is green wood flitch, and wall thickness is about 48mm；Framework is galvanized sheet；Sealing strip is refrigerator door gasket
(PVC)；Door loose-leaf is 304 stainless steels.
(2), fuchsin(e)test
Open new material case lid, keep temperature the temperature inside the box to be 40 DEG C, humidity 30%, 5 hours, remove case internal water.So
After in prestissimo regulation temperature the temperature inside the box be 25 DEG C, humidity 95%, measurement new material casing in humidity reach 95%, then
Guan Bi case lid.Keep 5 hours, humidity situation of change in measurement green wood hopper.Experimental result is as shown in Figure 5.
(3), wet test is exhaled
Open new material case lid, keep temperature the temperature inside the box to be 25 DEG C, humidity 95%, 5 hours, make casing absorb sufficient water
Point.Then in prestissimo, in regulation incubator, humidity is 30%, remains temperature-resistant, and in measurement new material casing, humidity reaches
Case lid is closed after 30%.Keep 5 hours, humidity situation of change in measurement new material casing.Experimental result is as shown in Figure 5.
Test result indicate that, in sucting wet experiment, closing that time at case lid, the humidity in vermiculite case drops rapidly
Low, drop to 55% from 90%, this material wettability power highly significant in showing case.
In exhaling wet experiment under conditions of humidity is 35%, closing vermiculite case, the humidity in case is less than a hour
Inside being raised to 70%, this shows, the material in vermiculite casing can breathe out moisture, the humidity in regulation vermiculite case, and this regulation
Highly significant, improves humidity and reaches 35%.
In sum, vermiculite composite diatomite water suction foot pad provided herein, has superpower water absorbing capacity, quick
Exhale the advantages such as wet drying property, insect protected, anticorrosion, mould proof, moisture absorption, moisture releasing.This vermiculite composite diatomite water suction foot pad, has
Solid stable layer reticulated porous structures, superpower big adsorption cleaning performance, can by dust floating in air, particulate, virus,
Harmful substance, peculiar smell carries out adsorbing and decomposing, thus plays the effect of air cleaning.This foot pad has superpower water absorbing properties
While, the moisture being absorbed can independence rapid evaporation, within the extremely short time absorb water foot pad at once return to be dried shape
State, may be used for dehumidifying, taste removal and the deodorizing of bathroom, shoe chest, wardrobe etc..In addition, this foot pad also has absorption radiation
Effect.The preparation method of vermiculite composite diatomite water suction foot pad provided herein, with reference to paper technology, coupling is to expand leech
Stone and diatomite are the preparation of the composite water absorbing foot pad of main raw material, and prepared product structure is connected as cobweb mutually
Connect occlusion structure, inside have countless minute aperture, strengthen compared with raw material suction-operated, have conveniently, the advantage such as simple, easily operated,
It is suitable for batch production and extensive application.
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that without departing substantially from the present invention's
May be made that in the case of spirit and scope many other change and modification.It is, therefore, intended that in the following claims
Including all such changes and modifications belonging in the scope of the invention.
Claims (10)
1. a vermiculite composite diatomite water suction foot pad, it is characterised in that be made up of the component of following parts by weight meter:
Diatomite 40-70 part, expanded vermiculite 10-25 part, calcium hydroxide 15-30 part and wood pulp cellulose 5-20 part.
2. vermiculite composite diatomite according to claim 1 water suction foot pad, it is characterised in that by following parts by weight meter
Component is made:
Diatomite 50-60 part, expanded vermiculite 15-20 part, calcium hydroxide 20-30 part and wood pulp cellulose 8-15 part.
3. vermiculite composite diatomite according to claim 1 and 2 water suction foot pad, it is characterised in that described expanded vermiculite
Particle diameter is less than 1 millimeter；
Preferably, the particle diameter of expanded vermiculite is 0.2-0.75 millimeter.
4. vermiculite composite diatomite according to claim 1 and 2 water suction foot pad, it is characterised in that described diatomaceous grain
Footpath is less than 50 microns；
Preferably, diatomaceous particle diameter is 40-50 micron；
It is furthermore preferred that described diatomaceous particle diameter is 44 microns.
5. a preparation method for the vermiculite composite diatomite water suction foot pad according to any one of claim 1-4, its feature
It is, comprise the following steps:
Wood pulp cellulose and expanded vermiculite use pulping process be prepared as paper pulp and vermiculite slurry respectively；In the paper pulp loosened successively
Add vermiculite slurry, diatomite and calcium hydroxide, and carry out defibrination and premixing；Slip good for premixing is carried out making sheet, connects base, stacking
Obtaining slab, slab carrying out steam press maintenance, the then demoulding is dried, and obtains this vermiculite composite diatomite water suction foot pad.
6. the preparation method of vermiculite composite diatomite according to claim 5 water suction foot pad, it is characterised in that described difference
Wood pulp cellulose and expanded vermiculite use pulping process be prepared as in the step of paper pulp and vermiculite slurry, specifically includes following step
Rapid:
Wood pulp cellulose is added in vertical pulper, add water to loosen；Add water abrasive dust, slurrying by expanded vermiculite, obtains leech
Stone is starched；
Preferably, the described time loosened is 40-60 minute.
7. the preparation method of vermiculite composite diatomite according to claim 5 water suction foot pad, it is characterised in that described making sheet
Specification be, plate long 2.4-2.5 rice, plate width 1.2-1.3 rice.
8. the preparation method of vermiculite composite diatomite according to claim 5 water suction foot pad, it is characterised in that at described heap
During buttress obtains slab, also include: the slab of stacking is carried out pre-maintenance；
Preferably, pre-maintenance uses natural maintenance.
9. the preparation method of vermiculite composite diatomite according to claim 5 water suction foot pad, it is characterised in that described steam pressure
Maintenance uses still kettle to operate, and specifically includes following steps:
First still kettle is vacuumized 30-40 minute, be evacuated to-(0.4～0.6) atm；Then carrying out 2-4 hour intensification, raw temperature is extremely
160-200 DEG C, under pressure 1.2-1.4MPa, constant temperature and pressure steams 8-10 hour, carries out 3-4 hour of lowering the temperature subsequently.
10. the preparation method of vermiculite composite diatomite according to claim 5 water suction foot pad, it is characterised in that described baking
The dry dryer that uses, drying to water content is less than 10%, obtains vermiculite composite diatomite water suction foot pad.
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| CN201610428098.XA CN106083179A (en) | 2016-06-16 | 2016-06-16 | A kind of vermiculite composite diatomite water suction foot pad and preparation method thereof |
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| CN201610428098.XA CN106083179A (en) | 2016-06-16 | 2016-06-16 | A kind of vermiculite composite diatomite water suction foot pad and preparation method thereof |
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Application publication date: 20161109 |