CN107740283A - A kind of production method of environment-friendly water-based polyurethane mat - Google Patents
A kind of production method of environment-friendly water-based polyurethane mat Download PDFInfo
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- CN107740283A CN107740283A CN201710810860.5A CN201710810860A CN107740283A CN 107740283 A CN107740283 A CN 107740283A CN 201710810860 A CN201710810860 A CN 201710810860A CN 107740283 A CN107740283 A CN 107740283A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The present invention relates to mat field, more particularly to a kind of production method of environment-friendly water-based polyurethane mat.A kind of production method of environment-friendly water-based polyurethane mat, this method comprise the following steps：Cotton flannel is soaked using bamboo vinegar, cotton flannel is impregnated with bamboo vinegar, is then extracted；Cotton flannel carries out spraying aqueous polyurethane coating, forms aqueous polyurethane layer in cotton flannel surface solidification, extracts；After extracting, foamed into bamboo vinegar, form porous polyurethane coating；Washed after the completion of foaming, dry the aqueous polyurethane mat for being made described.This method is foamed using bamboo vinegar, and obtained mat has anti-mildew, antibacterial, inoxidizability, can remove the harmful substances such as methanol, formaldehyde, assigns the effect of aqueous polyurethane mat is new.
Description
Technical field
The present invention relates to mat field, more particularly to a kind of production method of environment-friendly water-based polyurethane mat.
Background technology
Existing high molecular polymer mat (or cushion block, pad) mostly with plastics (such as PVC), elastomeric material make and
Into it makes typically is formed with disposable integrated injection molding or vulcanization, and manufactured product resistance to low temperature is poor, easily hardens rupture, hand
Feel not smooth；It is more to produce finished product technological process, easily causes that production environment is dirty, peculiar smell weight, some raw material (such as PVC) are long-term near
Away from can also influence health with human contact, also have, because the property of plastics determines that product is easy to aging, wear no resistance, make
Use short life.
Synthetic Leather have gloss it is soft, naturally, soft, the strong outward appearance of kishke feel, have and substrate bonding
Excellent performance, wear-resistant, flex endurant, the excellent mechanical performance such as anti-aging, resistance to fungi is good, at the same be also equipped with cold resistance it is good,
Ventilative, washable, easy to process, the advantages that price is excellent honest and clean, it is the ideal substitute of natural mat, is widely used in taking
The industries such as dress, shoemaking, case and bag, furniture, physical culture.
Under the overall situation of current national requirements energy-saving and emission-reduction, the substitute for developing solvent borne polyurethane has been general trend of events institute
Become.Aqueous polyurethane is using water as solvent, nontoxic non-hazardous, does not produce waste water, waste gas, free from environmental pollution, is the poly- ammonia of solvent-borne type
The preferable alternative materials of ester, it is the needs for realizing the production of artificial leather industry environmental health metaplasia.
《University Of Nanchang》Master's thesis in 2011《Aqueous polyurethane acid bath cohesion film forming is probed into》Paper discloses use
Acetic acid frothed aqueous polyurethane emulsion prepares synthetic leather, but goes back document and also disclose that WPU acid baths demulsification method surface and section have
Many microcellular structures, wherein plus wood powder it is more rich relative to its microcellular structure that with the addition of wood powder, but no matter which
Kind, compared with solvent-borne type PU wet methods, microcellular structure also differs obvious, and therefore, WPU acid baths are demulsified method from theory into action
It is required for making further research.
Bamboo vinegar is to collect bamboo wood caused gas in pyrolytic during being made charcoal with bamboo wood, and by this gas
Body cools down obtained liquid substance at normal temperatures.Bamboo vinegar contains nearly 300 kinds of natural polymer organic compounds, there is organic acid
Class, alcohols, ketone, aldehydes, esters and micro alkaline components etc..Since ancient times, the deodorization of bamboo vinegar is just very famous,
The deodorization of toilet is frequently used for, the peculiar smell for bamboo vinegar, reducing excreta is nowadays then mixed in the feed of domestic animal.
The content of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of life of environment-friendly water-based polyurethane mat
Production method, this method are foamed using bamboo vinegar, and obtained mat has anti-mildew, antibacterial, inoxidizability, can remove first
The harmful substances such as alcohol, formaldehyde, assign the effect of aqueous polyurethane mat is new.
In order to realize above-mentioned purpose, present invention employs following technical scheme：A kind of environment-friendly water-based polyurethane pad
The production method of son, this method comprise the following steps：
1）Cotton flannel is soaked using bamboo vinegar, cotton flannel is impregnated with bamboo vinegar, is then extracted；
2）Cotton flannel carries out spraying aqueous polyurethane coating, forms aqueous polyurethane layer in cotton flannel surface solidification, squeezes
It is dry；
2）After extracting, foamed into bamboo vinegar, form porous polyurethane coating；
3）Washed after the completion of foaming, dry the aqueous polyurethane mat for being made described.
Present invention base fabric before spraying is soaked using bamboo vinegar, base fabric is impregnated with bamboo vinegar, is easy to aqueous polyurethane to apply
Expect starching.
Preferably, step 2）The pH of bamboo vinegar is 1.0 ~ 4.5.As further preferably, step 2）The pH of bamboo vinegar be 1.8 ~
3.5。
Preferably, the coating weight of aqueous polyurethane layer is 20 ~ 200g/m2.As further preferably, the painting of aqueous polyurethane layer
Cloth amount is 30 ~ 100g/m2。
Preferably, aqueous polyurethane coating includes sorptive material.As further preferably, sorptive material accounts for water-based poly- ammonia
The 0.5 ~ 10% of ester paint weight.One or more mixing that sorptive material is selected in bamboo charcoal, white carbon and activated carbon.
Preferably, aqueous polyurethane selects the water-based aliphaic polyurethane of 30 ~ 50% solid contents in aqueous polyurethane coating
Emulsion.
The invention also discloses environment-friendly water-based polyurethane mat made from described method.The mat is Yoga mat, sand
Beach pad, ground cushion, mattress or cushion.
The invention also discloses a kind of formula of aqueous polyurethane coating, basic recipe are as follows（By mass percentage, with
Similarly hereinafter）：
| Aqueous polyurethane emulsion | 20~60% |
| Filler | 10~40% |
| Sorptive material | 2.0~40% |
| Calcium carbonate | 0~30% |
| Levelling agent | 0.1~0.5% |
| Defoamer | 0.01~0.1% |
| Thickener | 0.1~0.5% |
It is preferred that filler selects wood powder and/or wood pulp.
It is preferred that sorptive material is using the one or more in white carbon, activated carbon, bamboo charcoal, charcoal.As most preferably,
Powdered carbon selects bamboo charcoal.As further preferably, above-mentioned powdered carbon is the powdered carbon of 600~2000 mesh.
It is preferred that the present invention is additionally added lubricant 1.0 ~ 5.0%, the one or more in lubricant preferably talc powder, zinc oxide
Mixing, for increasing the weight of mat, feel.
It is preferred that the present invention is additionally added organic silicone oil 1.0 ~ 5.0%, the preferred aqueous emulsifying silicone oil of organic silicone oil, organic silicone oil increases
Add pliability, increase intensity and toughness, increase mat surface scratch resistance degree.
It is preferred that the present invention is additionally added white oil 0.5 ~ 3.0%, white oil increases the brightness of mat, prevents from gluing when embossing
Knot.
It is preferred that the present invention is additionally added glycerine and/or ethylene glycol 1.0 ~ 5.0%, glycerine and/or ethylene glycol can adjust mat
Humidity, increase the feel and pliability of mat.
It is preferred that the present invention is additionally added toner 0.01 ~ 1.0%.
It is preferred that the present invention is additionally added function nano material 1.0 ~ 5.0%, function nano material is nano titanium oxide, nanometer
Silica, nano zine oxide and nano-aluminium oxide are a kind of or 2 kinds mix.As it is further preferred that above-mentioned function nano material
Expect 2 kinds of mixing for nanometer anatase titania and nano silicon, nanometer anatase titania accounts for gross weight
0.4%~5%, nano silicon accounts for the 0.8%~5% of gross weight.Function nano material can be adsorbed in the hole of charcoal,
The absorption property of original charcoal is not only remained, and bacterium, virus can be killed in the presence of light using function nano material
With by poisonous and harmful substance（Such as formaldehyde, benzene）It is decomposed into carbon dioxide and water.In addition, the present invention have also been devised strong light temperature control life
Producing line, when aqueous polyurethane mat is produced, solvent volatilization, the absorption of function nano material is forced in the hole of charcoal, work(
Harmful substance in production process can be resolved into carbon dioxide and water by energy nano material due to strong light action.
The present invention is foamed as a result of above-mentioned technical scheme, mat using bamboo vinegar, and tensile strength, tear are strong
Power and wearability have all reached the level using the foaming of DMF wet methods, and manufactured finished product has soft handle, and quality is fine and smooth, gas permeability
Well, the advantages that soundproof effect is good.For whole production process without using DMF, solvent is water, have it is non-ignitable, safe and environment-friendly, save into
This performance.Formaldehyde, DMF are not detected in obtained aqueous polyurethane mat product, meet the water-based polyurethane cushion of ecology
It is required that.Present invention process is workable, production efficiency is high, cost is low, it is environmentally friendly, can be achieved industrialized production.Furthermore it is possible to
Bring the natural component of bamboo vinegar into naturally in the product（Certainly, it is undesirable that the taste for having bamboo vinegar can also pass through repeatedly
Washing washes away bamboo vinegar）, bamboo vinegar contains nearly 300 kinds of natural polymer organic compounds, have organic acid, alcohols, ketone,
Aldehydes, esters and micro alkaline components etc..With anti-mildew, antibacterial, inoxidizability, the nuisances such as methanol, formaldehyde can be removed
Matter, assign the effect of aqueous polyurethane mat is new.
Embodiment
Embodiment 1
The formula of aqueous polyurethane coating is as follows：
| Aqueous polyurethane emulsion | 45.0% |
| Wood powder | 10.5% |
| White carbon | 4.0% |
| Calcium carbonate | 15.5% |
| Talcum powder | 2.5% |
| Glycerine | 4.0% |
| Organic silicone oil | 0.5% |
| White oil | 1.5% |
| Nano titanium oxide | 2.5% |
| Levelling agent | 0.2% |
| Defoamer | 0.01% |
| Thickener | 0.2% |
| Toner | 0.1% |
| Water | Surplus |
A kind of production method of environment-friendly water-based polyurethane mat, this method comprise the following steps：
1）Cotton flannel is soaked using bamboo vinegar before spraying, and bamboo vinegar pH is 3.5, cotton flannel is impregnated with bamboo vinegar, so
After extract；
2）Cotton flannel is carried out spraying above-mentioned aqueous polyurethane coating, and aqueous polyurethane is formed in cotton flannel surface solidification
Layer, is extracted；
3）After extracting, foamed into bamboo vinegar, bamboo vinegar pH is 3.2, foamed time 2min, forms porous poly- ammonia
Ester coating, the coating weight of aqueous polyurethane layer is 40g/m2；
4）Washed after the completion of foaming, dry the aqueous polyurethane mat for being made described.
After testing, indices are as follows for the aqueous polyurethane mat：
1st, color fastness is dry-cleaned（AS2001.4.16-1981)
Discoloration 3-4 as former state
Cotton staining 4
Nylon staining 4-5
Remarks：Gray card is rated one to Pyatyi, and 1 grade is worst, and 5 grades are best.
2nd, light shine color fastness（AS2001.4.B02-2001；Use atmosphere arc lamp）
6 grade 4 of illumination
Grading（Standard blue wool）.
3rd, tensile strength（Ref, AS2001.2.3.2-2001;InstronCRE-25mm grab methods）
Length direction（N) 1000
Width（N) 600.
4th, Tear strength（Ref.AS2001.2.8:2001)
Tear length direction（N）This direction is horizontal to tear
Tear cross direction（N) 39；
5th, wearability（AS2001.2.25-2:2006)
Terminal coating comes off at 15000 turns.
6th, hydrolysis and free formaldehyde
Method of testing：According to 150,4184-,:201 ,-textile-formaldehyde examination-Part I：Hydrolysis and free formaldehyde（Water extracts
Follow the example of）；Analyzed with UVNIS；
Formaldehyde remarks：Do not detect
lppm=1mg/kg
Detection limit=16mg/kg.
7th, the pH value of textile
Method of testing：According to 1503071:2005 (0.lmol/L potassium chloride）
As a result：PH value 7.5
Note:Extract pH value 5.5
14.0 DEG C of extract temperature；
8th, azo dyes
Method of testing：Textile：According to EN14362-1:2012- is analyzed using GC-MS/HPLC-DAD.
Remarks：Method detection is limited to 5mg/kg（Single aromatic amine）
Maximum limitation：30mg/kg（Single aromatic amine）；
9th, pentachlorophenol（PCP)
Method of testing：Analysis is carried out using the MS of GC mono-
Test event:Pentachlorophenol（PCP)
As a result:ND
Remarks：MDL（Detection limits）=0.05mg/kg
ND=is not detected（<MDL)
10th, N,N-dimethylformamide（DMF)
Method of testing：With reference to USEPA3550C:2007 and USEPA8270D:2014 methods determine, and are analyzed using the MS of GC mono-；
Test event CASNO.68-12-2
As a result：N,N-dimethylformamide（DMF) ND
Remarks：
MOL（Method test limit）:5mg/kg, NO=are not detected（<MDL).
Embodiment 2
The formula of aqueous polyurethane coating is as follows：
| Aqueous polyurethane emulsion | 40.5% |
| Wood pulp | 5.5% |
| Bamboo charcoal powder | 25.5% |
| Talcum powder | 2.5% |
| Glycerine | 2.5% |
| Organic silicone oil | 1.5% |
| White oil | 2.0% |
| Nano titanium oxide | 3.5% |
| Levelling agent | 0.2% |
| Defoamer | 0.02% |
| Thickener | 0.1% |
| Toner | 0.5% |
| Water | Surplus |
A kind of production method of environment-friendly water-based polyurethane mat, this method comprise the following steps：
1）Cotton flannel is soaked using bamboo vinegar before spraying, and bamboo vinegar pH is 3.5, cotton flannel is impregnated with bamboo vinegar, so
After extract；
2）Cotton flannel is carried out spraying above-mentioned aqueous polyurethane coating, and aqueous polyurethane is formed in cotton flannel surface solidification
Layer, is extracted；
3）After extracting, foamed into bamboo vinegar, bamboo vinegar pH is 3.2, foamed time 2min, forms porous poly- ammonia
Ester coating, the coating weight of aqueous polyurethane layer is 40g/m2；
4）Washed after the completion of foaming, dry the aqueous polyurethane mat for being made described.
The aqueous polyurethane mat of aqueous polyurethane mat prepared by the method for embodiment 2 after testing with embodiment 1 has
The effect of identical, and also there is the effect of absorption ammonia, formaldehyde, benzene and toluene.
Detect foundation：《Public place method for determining formaldehyde in air》 GB/T18204.26- 2000、《Public place is empty
Ammonia assay method in gas》GB/T18204.25- 2000.
Testing conditions：1st, aqueous polyurethane mat obtained above is cut into fragment；2nd, experimental temperature：31 ± 1 DEG C, phase
To humidity：66 ± 2%；3rd, 2 volumes are 1M3Closed container, air pressure 1004.5hPa.
Method of testing：1st, detection point is carried out to the aqueous polyurethane mat fragment for being adsorbed with ammonia and formaldehyde respectively every 2h
Analysis（Parallel laboratory test）, the ammonia of its absorption and the quality of formaldehyde are tested, untill the gross mass of charcoal no longer changes；2nd, closed container
The concentration of middle ammonia and formaldehyde standard gas is respectively：1.25g/m3、1.2g/m3。
Testing result see the table below：
| Time | 1h | 3h | 5h | 7h |
| The adsorbance of ammonia（mg/g） | 25.15 | 55.78 | 83.35 | 82.83 |
| The adsorbance of formaldehyde（mg/g） | 21.34 | 42.23 | 75.23 | 71.46 |
Detect foundation：With reference to GB/T12496.5-1999《Wood activated charcoal test method-carbon tetrachloride adsorption rate（Activity）'s
Measure》Method determines, and replaces carbon tetrachloride to carry out adsorption test with benzene, toluene.
Testing conditions：1st, 150 × 3mm of aqueous polyurethane mat strip sheet；2nd, experimental temperature：28 ± 1 DEG C, relative humidity：
80 ± 2%；3rd, gas flow：60±5ml/min；4th, adsorption time：30min.
Testing result：Absorption of the aqueous polyurethane mat to benzene and toluene, is adsorbed by 30min, and it is benzene 75 to inhale a value
.25mg/g, toluene 54.23mg/g.
Embodiment 3
The formula of aqueous polyurethane coating is as follows：
| Aqueous polyurethane emulsion | 50.5% |
| Wood powder | 5.0% |
| Ag+-SiO2 | 1.2% |
| Calcium carbonate | 20.2% |
| Bamboo charcoal powder | 15.6% |
| Talcum powder | 2.5% |
| Ethylene glycol | 2.5% |
| Organic silicone oil | 1.5% |
| White oil | 2.5% |
| Nano titanium oxide | 1.5% |
| Levelling agent | 0.1% |
| Defoamer | 0.02% |
| Thickener | 0.3% |
| Toner | 0.05% |
| Water | Surplus |
A kind of production method of environment-friendly water-based polyurethane mat, this method comprise the following steps：
1）Cotton flannel is soaked using bamboo vinegar before spraying, and bamboo vinegar pH is 3.5, cotton flannel is impregnated with bamboo vinegar, so
After extract；
2）Cotton flannel is carried out spraying above-mentioned aqueous polyurethane coating, and aqueous polyurethane is formed in cotton flannel surface solidification
Layer, is extracted；
3）After extracting, foamed into bamboo vinegar, bamboo vinegar pH is 3.2, foamed time 2min, forms porous poly- ammonia
Ester coating, the coating weight of aqueous polyurethane layer is 40g/m2；
4）Washed after the completion of foaming, dry the aqueous polyurethane mat for being made described.
The aqueous polyurethane mat of aqueous polyurethane mat prepared by the method for embodiment 3 after testing with embodiment 1 has
The effect of identical, and also there is the effect of absorption ammonia, formaldehyde, benzene and toluene.
Claims (8)
1. a kind of production method of environment-friendly water-based polyurethane mat, it is characterised in that this method comprises the following steps：
1）Cotton flannel is soaked using bamboo vinegar, cotton flannel is impregnated with bamboo vinegar, is then extracted；
2）Cotton flannel carries out spraying aqueous polyurethane coating, forms aqueous polyurethane layer in cotton flannel surface solidification, extracts；
3）After extracting, foamed into bamboo vinegar, form porous polyurethane coating；
4）Washed after the completion of foaming, dry the aqueous polyurethane mat for being made described.
A kind of 2. production method of environment-friendly water-based polyurethane mat according to claim 1, it is characterised in that：Step 2）
The pH of bamboo vinegar is 1.0 ~ 4.5；It is preferred that step 2）The pH of bamboo vinegar is 1.8 ~ 3.5.
A kind of 3. production method of environment-friendly water-based polyurethane mat according to claim 1, it is characterised in that：It is water-based poly-
The coating weight of urethane layer is 20 ~ 200g/m2；It is preferred that the coating weight of aqueous polyurethane layer is 30 ~ 100g/m2。
A kind of 4. production method of environment-friendly water-based polyurethane mat according to claim 1, it is characterised in that：It is water-based poly-
Urethane coating includes sorptive material；It is preferred that the one or more that sorptive material is selected in bamboo charcoal, white carbon and activated carbon are mixed
Close.
A kind of 5. production method of environment-friendly water-based polyurethane mat according to claim 4, it is characterised in that：Adsorptivity
Material accounts for the 0.5 ~ 10% of aqueous polyurethane coating weight.
A kind of 6. production method of environment-friendly water-based polyurethane mat according to claim 1, it is characterised in that：It is water-based poly-
Aqueous polyurethane selects the Aliphatic Polyester Aqueous Polyurethane Dispersions of 30 ~ 50% solid contents in urethane coating.
7. environment-friendly water-based polyurethane mat made from the method described in claim 1 ~ 6 any one claim.
8. environment-friendly water-based polyurethane mat according to claim 7, it is characterised in that the mat is Yoga mat, sandy beach
Pad, ground cushion, mattress or cushion.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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