CN105105376A - Method of preparing multi-functional biochemical protective clothing fabric - Google Patents
Method of preparing multi-functional biochemical protective clothing fabric Download PDFInfo
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- CN105105376A CN105105376A CN201510502385.6A CN201510502385A CN105105376A CN 105105376 A CN105105376 A CN 105105376A CN 201510502385 A CN201510502385 A CN 201510502385A CN 105105376 A CN105105376 A CN 105105376A
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- 239000004744 fabric Substances 0.000 title claims abstract description 116
- 230000001681 protective effect Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title abstract 5
- 239000010410 layer Substances 0.000 claims abstract description 173
- 239000012790 adhesive layer Substances 0.000 claims abstract description 62
- 239000011248 coating agent Substances 0.000 claims abstract description 57
- 238000000576 coating method Methods 0.000 claims abstract description 57
- 238000001035 drying Methods 0.000 claims abstract description 36
- 239000011241 protective layer Substances 0.000 claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 claims abstract description 30
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003063 flame retardant Substances 0.000 claims abstract description 20
- 238000013329 compounding Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000004014 plasticizer Substances 0.000 claims description 123
- 239000003381 stabilizer Substances 0.000 claims description 36
- 239000002131 composite material Substances 0.000 claims description 31
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 28
- 239000000945 filler Substances 0.000 claims description 26
- 229920002635 polyurethane Polymers 0.000 claims description 25
- 239000004814 polyurethane Substances 0.000 claims description 25
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical group CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 24
- 239000006084 composite stabilizer Substances 0.000 claims description 22
- 239000003431 cross linking reagent Substances 0.000 claims description 18
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 17
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical group CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 17
- 239000003292 glue Substances 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- 239000004593 Epoxy Substances 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 14
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 13
- 239000000839 emulsion Substances 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 11
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 10
- XQPMWNLXMOKKLU-UHFFFAOYSA-N [Cr].[Ba].[Zn] Chemical compound [Cr].[Ba].[Zn] XQPMWNLXMOKKLU-UHFFFAOYSA-N 0.000 claims description 9
- 238000007774 anilox coating Methods 0.000 claims description 9
- WNLRTRBMVRJNCN-UHFFFAOYSA-N hexanedioic acid Natural products OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 9
- 229920001684 low density polyethylene Polymers 0.000 claims description 8
- 239000004702 low-density polyethylene Substances 0.000 claims description 8
- SHLNMHIRQGRGOL-UHFFFAOYSA-N barium zinc Chemical compound [Zn].[Ba] SHLNMHIRQGRGOL-UHFFFAOYSA-N 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 6
- 239000001361 adipic acid Substances 0.000 claims description 6
- 235000011037 adipic acid Nutrition 0.000 claims description 6
- 239000012948 isocyanate Substances 0.000 claims description 6
- 150000002513 isocyanates Chemical group 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 5
- NFVZIERLAZUYBQ-UHFFFAOYSA-N [K].[Zn] Chemical compound [K].[Zn] NFVZIERLAZUYBQ-UHFFFAOYSA-N 0.000 claims description 4
- -1 adipic acid ester Chemical class 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 150000001412 amines Chemical group 0.000 claims description 3
- 239000012974 tin catalyst Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920006231 aramid fiber Polymers 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- OKTJSMMVPCPJKN-YPZZEJLDSA-N carbon-10 atom Chemical group [10C] OKTJSMMVPCPJKN-YPZZEJLDSA-N 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- QKSKPIVNLNLAAV-UHFFFAOYSA-N bis(2-chloroethyl) sulfide Chemical compound ClCCSCCCl QKSKPIVNLNLAAV-UHFFFAOYSA-N 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010345 tape casting Methods 0.000 abstract 2
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 239000002585 base Substances 0.000 description 51
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 239000000049 pigment Substances 0.000 description 11
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 7
- NWSGBTCJMJADLE-UHFFFAOYSA-N 6-o-decyl 1-o-octyl hexanedioate Chemical compound CCCCCCCCCCOC(=O)CCCCC(=O)OCCCCCCCC NWSGBTCJMJADLE-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 235000012424 soybean oil Nutrition 0.000 description 6
- 239000003549 soybean oil Substances 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 5
- YVRMIDJPWCERHB-UHFFFAOYSA-N 6-hexan-2-yloxy-6-oxohexanoic acid Chemical compound CCCCC(C)OC(=O)CCCCC(O)=O YVRMIDJPWCERHB-UHFFFAOYSA-N 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 4
- 239000002341 toxic gas Substances 0.000 description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 3
- 239000012975 dibutyltin dilaurate Substances 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-IGMARMGPSA-N Carbon-12 Chemical group [12C] OKTJSMMVPCPJKN-IGMARMGPSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000002155 anti-virotic effect Effects 0.000 description 1
- VNWKTOKETHGBQD-AKLPVKDBSA-N carbane Chemical group [15CH4] VNWKTOKETHGBQD-AKLPVKDBSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009982 effect on human Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The invention provides a method of preparing multi-functional biochemical protective clothing fabric. The method is characterized by enabling an adsorption layer, a base fabric layer, a blocking layer, a bonding layer and an outer protective layer to be adhered together, wherein the blocking layer comprises a bottom adhesive layer and a surface adhesive layer; the method comprises the following specific steps of step 1, carrying out fuzzing treatment on the base fabric layer, and arranging the adsorption layer on the base fabric layer in a spraying coating or a knife coating way; step 2, arranging the surface adhesive layer on release paper in the knife coating way, plasticizing in a drying oven, and cooling after the plasticizing; step 3, arranging the bottom adhesive layer on the surface adhesive layer, enabling the bottom adhesive layer to be adhered to the base fabric layer, plasticizing, cooling after the plasticizing, and peeling off the release paper; step 4, compounding the bonding layer on the surface adhesive layer, and drying after the compounding; step 5, adhering the outer protective layer. According to the method of preparing the multi-functional biochemical protective clothing fabric, provided by the invention, the adsorption layer, the base fabric layer, the blocking layer, the bonding layer and the outer protective layer are adhered together, the preparation technology is simple, the cost is lower, multiple functions are obtained by the prepared protective fabric, namely a flame-retardant effect is obtained, poisonous gas can also be adsorbed, and a certain gas-liquid blocking capacity and a very strong mustard gas blocking action are obtained.
Description
Technical Field
The invention relates to a preparation method of a protective clothing fabric, in particular to a preparation method of a multifunctional biochemical protective clothing fabric.
Background
With the continuous development and progress of scientific technology, the environment faced by people is more and more complex, and the requirement on individual protective equipment is higher and higher objectively. In real life, the objects that need to be protected are increasingly diverse: soldiers, police officers, farmers, technologists, workers, etc. all require protective equipment to perform a particular job. Therefore, the development of protective clothing fabrics with diversified functions is more and more important.
In the prior art, a rubber coated fabric material is adopted, which can be used for protecting toxic liquid large-droplet pollution for a long time, but chloroprene rubber brings high heat load to wearing personnel and brings discomfort to the wearing personnel.
Under the background, the invention creatively provides a preparation method of multifunctional biochemical protective clothing fabric.
Disclosure of Invention
In view of the above, the invention aims to provide a preparation method of a multifunctional biochemical protective clothing fabric, wherein an adsorption layer, a base cloth layer, a barrier layer, a bonding layer and an outer protective layer are bonded together, the preparation process is simple, the cost is low, and the prepared protective fabric has multiple functions, not only has a flame retardant effect, but also can adsorb toxic gas, has a certain gas-liquid barrier capability and has a strong function of blocking mustard gas and other toxic gases.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a preparation method of multifunctional biochemical protective clothing fabric is characterized in that an adsorption layer, a base cloth layer, a blocking layer, a bonding layer and an outer protective layer are attached together, the blocking layer comprises a primer layer and a surface adhesive layer, and the preparation method comprises the following specific steps:
step 1, raising the base fabric layer by using a raising machine, and spraying or blade-coating the adsorption layer to the raised side of the base fabric layer;
step 2, coating the surface adhesive layer on release paper by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the release paper is 0.15-0.3mm, plasticizing in a drying oven at the plasticizing temperature of 160-200 ℃, cooling to below 50 ℃ after plasticizing, coating the primer layer on the surface adhesive layer by using the scraper of the two-coating two-drying coating machine or the three-coating three-drying coating machine, and the distance between the scraper and the primer layer is 0.15-0.3 mm;
step 3, attaching the base adhesive layer and the non-raising surface of the base cloth layer, plasticizing in an oven at the plasticizing temperature of 160-200 ℃, cooling to below 50 ℃ after plasticizing, and stripping release paper;
step 4, compounding the adhesive layer on the surface adhesive layer by using a compound machine, wherein the mesh number of an anilox roller of the compound machine is 20-100 meshes, the mesh number of the anilox roller is preferably 60 meshes, when the mesh number of the anilox roller of the compound machine is more than 100 meshes, the adhesive quantity of the anilox roller is small, the adhesive layer is too thin, the adhesive effect is poor, drying is carried out at the temperature of 20-100 ℃ for 30-60s after compounding, the drying has the effect of volatilizing a certain amount of solvent, otherwise, the solvent is difficult to volatilize after bonding, the weight of the fabric is large, the fabric is not light, the drying time cannot be too long, and the adhesive effect of the adhesive layer is affected;
step 5, attaching the outer protective layer to the bonding layer;
and 6, coiling the fabric obtained in the step 5, and standing for more than 24 hours for crosslinking and curing.
Further, in the multifunctional biochemical protective clothing:
the base cloth layer is made of flame-retardant fibers;
the adsorption layer comprises the following components in parts:
30-60 parts of aromatic hydrocarbon, 10-20 parts of absolute ethyl alcohol,activated carbon10-20 parts of powder and 10-20 parts of single-component polyurethane, wherein the aromatic hydrocarbon is preferably benzene or toluene, and the aromatic hydrocarbon is a solvent;
the barrier layer includes primer layer and surface glue layer, the primer layer with the base cloth laminating, wherein, the primer layer constitute by the component of following part count:
90-110 parts of emulsion PVC paste resin, 40-80 parts of main plasticizer, 5-25 parts of auxiliary plasticizer, 2-10 parts of composite plasticizer, 5-20 parts of cold-resistant plasticizer, 10-40 parts of filler and 1-3 parts of stabilizer;
the surface glue layer comprises the following components in parts:
90-110 parts of emulsion PVC paste resin, 40-80 parts of main plasticizer, 5-25 parts of auxiliary plasticizer, 2-10 parts of composite plasticizer, 5-20 parts of cold-resistant plasticizer, 10-80 parts of filler and 2-4 parts of stabilizer;
the adhesive layer consists of the following components in parts:
90-110 parts of a two-component polyurethane adhesive, 10-20 parts of a solvent, 4-15 parts of a cross-linking agent and 1-4 parts of a catalyst;
the outer protective layer is a PE film.
Furthermore, the base cloth layer is one of all-cotton flame retardant cloth, polyester-cotton flame retardant cloth, aramid fiber flame retardant cloth or nylon cotton flame retardant cloth, the base cloth layer is subjected to fuzzing treatment by a fuzzing machine, the fuzzing length is 1-2mm, the fuzzing side of the base cloth layer is attached to the adsorption layer, the base cloth layer is preferably the all-cotton flame retardant cloth, the comfort of a wearer can be enhanced, and the base cloth layer is subjected to fuzzing treatment by the fuzzing machine and is favorable for more adhesion of the activated carbon powder.
Furthermore, the active carbon powder is 50-300 meshes, the active carbon powder is preferably 200 meshes, the active carbon powder with 200 meshes has good adsorption effect, and the product is more attractive.
Further, the viscosity of the single-component polyurethane in the adsorption layer is 30000-150000CPS at 30 ℃, the molecular weight is 100000-300000, and the solid content is 20-50%, and the single-component polyurethane can be used for preparing the adsorbentActivated carbonThe powder is better attached to the base fabric layer.
Further, the mass of the adsorption layer on the base cloth layer is 20-100g/m2Said baseThe thickness of the cloth layer is 0.3-0.8 mm.
Furthermore, the outer protective layer is made of low-density polyethylene, the thickness of the outer protective layer is 0.05-0.10mm, the outer protective layer is made of a PE film, the PE film is good in air permeability, and the air permeability of the PE film is reduced along with the increase of the density, so that the outer protective layer is made of the low-density polyethylene, the low-density polyethylene is good in air permeability, good in transparency and heat sealability, waterproof and moistureproof, and capable of effectively blocking mustard gas.
Further, in the primer layer, the primary plasticizer is dioctyl phthalate, the secondary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy plasticizer, the cold-resistant plasticizer is adipic acid cold-resistant plasticizer, the filler is light calcium carbonate, the stabilizer is one of barium-chromium-zinc stabilizer, lead salt composite stabilizer, calcium-zinc composite stabilizer, barium-zinc composite stabilizer and potassium-zinc composite stabilizer, the composite plasticizer can be one of epoxidized soybean oil, epoxidized butyl fatty acid or epoxidized dioctyl phthalate, the composite plasticizer is preferably epoxidized soybean oil, the cold-resistant plasticizer can be one of dioctyl adipate, 2-n-hexyl adipate or n-octyl n-decyl adipate, the cold-resistant plasticizer is preferably dioctyl adipate, and the stabilizer is preferably a barium-chromium-zinc stabilizer.
Further, in the surface adhesive layer, the primary plasticizer is dioctyl phthalate, the secondary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy plasticizer, the cold-resistant plasticizer is adipic acid ester cold-resistant plasticizer, the filler is heavy calcium carbonate, the stabilizer is one of barium-chromium-zinc stabilizer, lead salt composite stabilizer, calcium-zinc composite stabilizer, barium-zinc composite stabilizer and potassium-zinc composite stabilizer, the composite plasticizer can be one of epoxidized soybean oil, epoxidized fatty acid butyl ester or epoxidized tetrahydrodioctyl phthalate, the composite plasticizer is preferably epoxidized soybean oil, the cold-resistant plasticizer can be one of dioctyl adipate, adipic acid-2-n-hexyl ester or adipic acid n-octyl n-decyl ester, the cold-resistant plasticizer is preferably dioctyl adipate, and the stabilizer is preferably a barium-chromium-zinc stabilizer.
In the primer layer and the face adhesive layer, the main plasticizer is a good solvent, the auxiliary plasticizer can improve the flexibility of the product, so that the product becomes softer and accords with the wearing habit of ordinary people, the cold-resistant plasticizer is an adipic acid cold-resistant plasticizer, the plasticizing efficiency of the adipic acid cold-resistant plasticizer is high, the heated color becomes small, the low-temperature flexibility and light resistance of the oil quantity of the product can be endowed, the effect is better after the dioctyl adipate and the phthalate are compounded, the composite plasticizer is an epoxy plasticizer, the toxicity of the epoxy plasticizer is small, the epoxy plasticizer is commonly used for packaging materials of food and pharmaceuticals, therefore, the protective fabric manufactured by the epoxy plasticizer is less harmful to human bodies, the environment is protected, and the composite plasticizer also has the effect of a stabilizer.
Furthermore, the filler in the base adhesive layer is light calcium carbonate, so the viscosity is higher, the high viscosity is favorable for attaching the base adhesive layer and the base fabric layer, and the filler in the surface adhesive layer is heavy calcium carbonate, so the surface adhesive layer is more compact than the base adhesive layer.
Furthermore, in the adhesive layer, the solid content of the two-component polyurethane adhesive is greater than 60%, the molecular weight is 3000-10000, the solvent is selected from one of butanone or ethyl acetate, the crosslinking agent is an isocyanate crosslinking agent, the catalyst is an amine catalyst or a tin catalyst, the catalyst includes but is not limited to triethylene diamine, dibutyltin dilaurate, stannous octoate and CT-E229, and the solvent is volatile butanone or ethyl acetate, so that the product quality can be improved, and the production efficiency can be improved.
Furthermore, the bottom adhesive layer further comprises 1-5 parts of PVC pigment, the surface adhesive layer further comprises 1-5 parts of PVC pigment, and the PVC pigment with different colors can be added according to actual requirements, so that the attractiveness of the product can be improved.
Further, the step 1 and the step 2 are not in sequence.
Compared with the prior art, the invention has the following advantages:
(1) the protective material provided by the invention has the advantages of simple preparation process and low cost.
(2) The flame-retardant PVC film is prepared by compounding the PE film and the PVC film, and has excellent flame retardance, corrosion resistance and isolation performance to toxic gases.
(3) The active carbon in the invention can adsorb toxic gas, thereby further enhancing the protection effect on human body.
(4) The base cloth layer adopts flame-retardant fibers, has a flame-retardant effect, and also has a tear-resistant effect on the whole composite layer due to higher toughness.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Example 1
With adsorbed layer, base cloth layer, barrier layer, bond line and outer protective layer laminating together, the barrier layer includes primer layer and face glue film, and concrete step is as follows:
step 1, performing fluffing treatment on the base cloth layer by using a fluffer, and spraying or blade-coating the adsorption layer to the fluffed side of the base cloth layer, wherein:
the base cloth layer is made of all-cotton flame-retardant cloth, the base cloth layer is subjected to fuzzing treatment by a fuzzing machine, the fuzzing length is 1mm, and the thickness of the base cloth layer is 0.5 mm;
the adsorption layer comprises the following components in parts:
35 parts of toluene, 12 parts of absolute ethyl alcohol and 100 meshesActivated carbon12 parts of powder and 12 parts of single-component polyurethane, wherein the viscosity of the single-component polyurethane is 50000CPS at 30 ℃, the molecular weight is 100000-300000, the solid content is 25 percent, and the mass of the adsorption layer on the base cloth layer is 30g/m2。
Step 2, coating the surface adhesive layer on release paper by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the release paper is 0.15mm, plasticizing is carried out in an oven, the plasticizing temperature is 160 ℃, cooling is carried out to below 50 ℃ after plasticizing, and the surface adhesive layer consists of the following components in parts:
95 parts of emulsion PVC paste resin, 55 parts of main plasticizer, 10 parts of auxiliary plasticizer, 3 parts of composite plasticizer, 10 parts of cold-resistant plasticizer, 20 parts of filler, 2 parts of stabilizer and 2 parts of PVC pigment; in the surface glue layer, the primary plasticizer is dioctyl phthalate, the secondary plasticizer is dibutyl phthalate, the composite plasticizer is epoxidized soybean oil, the cold-resistant plasticizer is dioctyl adipate, the filler is heavy calcium carbonate, and the stabilizer is a barium-chromium-zinc stabilizer;
coating the primer layer on the surface adhesive layer by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the primer layer is 0.2mm, and the primer layer consists of the following components in parts:
95 parts of emulsion PVC paste resin, 45 parts of main plasticizer, 6 parts of auxiliary plasticizer, 3 parts of composite plasticizer, 6 parts of cold-resistant plasticizer, 12 parts of filler and 1 part of stabilizer; the main plasticizer is dioctyl phthalate, the auxiliary plasticizer is dibutyl phthalate, the composite plasticizer is epoxidized soybean oil, the cold-resistant plasticizer is dioctyl adipate, the filler is light calcium carbonate, and the stabilizer is a barium-chromium-zinc stabilizer.
And 3, attaching the base glue layer and the non-raising surface of the base cloth layer, plasticizing in an oven at 170 ℃, cooling to below 50 ℃ after plasticizing, and stripping the release paper.
And 4, compounding the adhesive layer on the surface adhesive layer by using a compound machine, wherein the mesh number of an anilox roller of the compound machine is 40 meshes, drying the compound machine at 30 ℃ for 30-60s after compounding, and the adhesive layer consists of the following components in parts:
95 parts of a two-component polyurethane adhesive, 12 parts of a solvent, 5 parts of a cross-linking agent, 2 parts of a catalyst and 2 parts of a PVC pigment; in the bonding layer, the solid content of the two-component polyurethane adhesive is 65%, the molecular weight is 3000-10000, the solvent is butanone, the crosslinking agent is isocyanate crosslinking agent, and the catalyst is amine catalyst or tin catalyst, triethylene diamine, dibutyltin dilaurate and stannous octoate.
Step 5, attaching the outer protective layer to the bonding layer, wherein the outer protective layer is made of low-density polyethylene and the thickness of the outer protective layer is 0.06 mm;
and 6, coiling the fabric obtained in the step 5, and standing for more than 24 hours for crosslinking and curing.
Example 2
With adsorbed layer, base cloth layer, barrier layer, bond line and outer protective layer laminating together, the barrier layer includes primer layer and face glue film, and concrete step is as follows:
step 1, performing fluffing treatment on the base cloth layer by using a fluffer, and spraying or blade-coating the adsorption layer to the fluffed side of the base cloth layer, wherein:
the base cloth layer is made of all-cotton flame-retardant cloth, the base cloth layer is subjected to fuzzing treatment through a fuzzing machine, the fuzzing length is 1.5mm, the fuzzing side of the base cloth layer is attached to the adsorption layer, and the thickness of the base cloth layer is 0.6 mm;
the adsorption layer comprises the following components in parts:
55 parts of toluene, 15 parts of absolute ethyl alcohol and 150 meshesActivated carbon15 parts of powder and 15 parts of single-component polyurethane, wherein the viscosity of the single-component polyurethane is 60000CPS at 30 ℃, the molecular weight is 100000-300000, the solid content is 35 percent, and the mass of the adsorption layer on the base cloth layer is 60g/m2。
Step 2, coating the surface adhesive layer on release paper by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the release paper is 0.16mm, plasticizing is carried out in an oven, the plasticizing temperature is 160 ℃, cooling is carried out to below 50 ℃ after plasticizing, and the surface adhesive layer consists of the following components in parts:
98 parts of emulsion PVC paste resin, 66 parts of main plasticizer, 16 parts of auxiliary plasticizer, 5 parts of composite plasticizer, 13 parts of cold-resistant plasticizer, 11 parts of filler, 2 parts of stabilizer and 3 parts of PVC pigment; in the surface glue layer, the primary plasticizer is dioctyl phthalate, the secondary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy fatty acid butyl ester, the cold-resistant plasticizer is adipic acid-2-n-hexyl ester, the filler is heavy calcium carbonate, and the stabilizer is a lead salt composite stabilizer;
coating the primer layer on the surface adhesive layer by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the primer layer is 0.17mm, attaching the primer layer and the non-fluffy surface of the base fabric layer, plasticizing in an oven at 170 ℃, cooling to below 50 ℃ after plasticizing, and stripping release paper, wherein the primer layer comprises the following components in parts:
100 parts of emulsion PVC paste resin, 55 parts of main plasticizer, 18 parts of auxiliary plasticizer, 6 parts of composite plasticizer, 8 parts of cold-resistant plasticizer, 13 parts of filler, 2 parts of stabilizer and 3 parts of PVC pigment; the main plasticizer is dioctyl phthalate, the auxiliary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy fatty acid butyl ester, the cold-resistant plasticizer is adipic acid-2-n-hexyl ester, the filler is light calcium carbonate, and the stabilizer is a barium-chromium-zinc stabilizer.
And 3, attaching the base glue layer and the non-raising surface of the base cloth layer, plasticizing in an oven at 170 ℃, cooling to below 50 ℃ after plasticizing, and stripping the release paper.
And 4, compounding the adhesive layer on the surface adhesive layer by using a compound machine, wherein the mesh number of an anilox roller of the compound machine is 30 meshes, drying the compound machine at 40 ℃ for 30-60s after compounding, and the adhesive layer consists of the following components in parts:
98 parts of a two-component polyurethane adhesive, 12 parts of a solvent, 8 parts of a cross-linking agent and 3 parts of a catalyst; in the bonding layer, the solid content of the two-component polyurethane adhesive is 76%, the molecular weight is 3000-10000, the solvent is ethyl acetate, the crosslinking agent is an isocyanate crosslinking agent, and the catalyst is dibutyltin dilaurate.
Step 5, attaching the outer protective layer to the bonding layer, wherein the outer protective layer is made of low-density polyethylene and the thickness of the outer protective layer is 0.07 mm;
and 6, coiling the fabric obtained in the step 5, and standing for more than 24 hours for crosslinking and curing.
Example 3
With adsorbed layer, base cloth layer, barrier layer, bond line and outer protective layer laminating together, the barrier layer includes primer layer and face glue film, and concrete step is as follows:
step 1, performing fluffing treatment on the base cloth layer by using a fluffer, and spraying or blade-coating the adsorption layer to the fluffed side of the base cloth layer, wherein:
the base cloth layer is made of all-cotton flame-retardant cloth, the base cloth layer is subjected to fuzzing treatment through a fuzzing machine, the fuzzing length is 1.5mm, the fuzzing side of the base cloth layer is attached to the adsorption layer, and the thickness of the base cloth layer is 0.6 mm;
the adsorption layer comprises the following components in parts:
55 parts of toluene, 18 parts of absolute ethyl alcohol and 200 meshesActivated carbon17 parts of powder and 14 parts of single-component polyurethane, wherein the viscosity of the single-component polyurethane is 100000CPS at 30 ℃, the molecular weight is 100000-300000, the solid content is 45 percent, and the mass of the adsorption layer on the base cloth layer is 80g/m2。
Step 2, coating the surface adhesive layer on release paper by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the release paper is 0.2mm, plasticizing is carried out in an oven, the plasticizing temperature is 180 ℃, and cooling to below 50 ℃ after plasticizing, and the surface adhesive layer consists of the following components in parts:
98 parts of emulsion PVC paste resin, 66 parts of main plasticizer, 22 parts of auxiliary plasticizer, 7 parts of composite plasticizer, 16 parts of cold-resistant plasticizer, 76 parts of filler, 2 parts of stabilizer and 5 parts of PVC pigment; in the surface adhesive layer, the main plasticizer is dioctyl phthalate, the auxiliary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy tetrahydro dioctyl phthalate, the cold-resistant plasticizer is n-octyl n-decyl adipate, the filler is heavy calcium carbonate, and the stabilizer is a calcium-zinc composite stabilizer;
coating the primer layer on the surface adhesive layer by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the primer layer is 0.15-0.3mm, and the primer layer consists of the following components in parts:
106 parts of emulsion PVC paste resin, 78 parts of main plasticizer, 23 parts of auxiliary plasticizer, 9 parts of composite plasticizer, 16 parts of cold-resistant plasticizer, 33 parts of filler, 3 parts of stabilizer and 5 parts of PVC pigment; the main plasticizer is dioctyl phthalate, the auxiliary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy tetrahydro dioctyl phthalate, the cold-resistant plasticizer is n-octyl n-decyl adipate, the filler is light calcium carbonate, and the stabilizers are calcium-zinc composite stabilizer and barium-zinc composite stabilizer;
and 3, attaching the base glue layer and the non-raising surface of the base cloth layer, plasticizing in an oven at 180 ℃, cooling to below 50 ℃ after plasticizing, and stripping the release paper.
And 4, compounding the adhesive layer on the surface adhesive layer by using a compound machine, wherein the mesh number of an anilox roller of the compound machine is 45 meshes, drying the compound material at 50 ℃ for 30-60s after compounding, and the adhesive layer consists of the following components in parts:
105 parts of a two-component polyurethane adhesive, 17 parts of a solvent, 13 parts of a cross-linking agent and 4 parts of a catalyst; in the bonding layer, the solid content of the two-component polyurethane adhesive is 66%, the molecular weight is 3000-10000, the solvent is ethyl acetate, the crosslinking agent is an isocyanate crosslinking agent, and the catalyst is stannous octoate;
step 5, attaching the outer protective layer to the adhesive layer, wherein the outer protective layer is made of low-density polyethylene and the thickness of the outer protective layer is 0.09 mm;
and 6, coiling the fabric obtained in the step 5, and standing for more than 24 hours for crosslinking and curing.
Example 4
With adsorbed layer, base cloth layer, barrier layer, bond line and outer protective layer laminating together, the barrier layer includes primer layer and face glue film, and concrete step is as follows:
step 1, performing fluffing treatment on the base cloth layer by using a fluffer, and spraying or blade-coating the adsorption layer to the fluffed side of the base cloth layer, wherein:
the base cloth layer is made of all-cotton flame-retardant cloth, the base cloth layer is subjected to fuzzing treatment through a fuzzing machine, the fuzzing length is 1.3mm, the fuzzing side of the base cloth layer is attached to the adsorption layer, and the thickness of the base cloth layer is 0.7 mm;
the adsorption layer comprises the following components in parts:
57 parts of toluene, 15 parts of absolute ethyl alcohol and 250 meshesActivated carbon19 parts of powder and 10 parts of single-component polyurethane, wherein the viscosity of the single-component polyurethane is 120000CPS at 30 ℃, the molecular weight is 100000-300000, the solid content is 43 percent, and the mass of the adsorption layer on the base cloth layer is 75g/m2。
Step 2, coating the surface adhesive layer on release paper by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the release paper is 0.25mm, plasticizing is carried out in an oven, the plasticizing temperature is 180 ℃, and cooling to below 50 ℃ after plasticizing, and the surface adhesive layer consists of the following components in parts:
94 parts of emulsion PVC paste resin, 66 parts of main plasticizer, 22 parts of auxiliary plasticizer, 9 parts of composite plasticizer, 10 parts of cold-resistant plasticizer, 48 parts of filler, 4 parts of stabilizer and 5 parts of PVC pigment; in the surface glue layer, the main plasticizer is dioctyl phthalate, the auxiliary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy tetrahydro dioctyl phthalate, the cold-resistant plasticizer is n-octyl n-decyl adipate, the filler is heavy calcium carbonate, and the stabilizer is a barium-zinc composite stabilizer.
Coating the primer layer on the surface adhesive layer by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the primer layer is 0.15-0.3mm, and the primer layer consists of the following components in parts:
103 parts of emulsion PVC paste resin, 66 parts of main plasticizer, 2-parts of auxiliary plasticizer, 10 parts of composite plasticizer, 14 parts of cold-resistant plasticizer, 31 parts of filler, 2 parts of stabilizer and 4 parts of PVC pigment; the main plasticizer is dioctyl phthalate, the auxiliary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy tetrahydro dioctyl phthalate, the cold-resistant plasticizer is n-octyl n-decyl adipate, the filler is light calcium carbonate, and the stabilizer is a barium-zinc composite stabilizer.
And 3, attaching the base adhesive layer and the non-raising surface of the base fabric layer, plasticizing in an oven at the plasticizing temperature of more than 160-200 ℃, cooling to below 50 ℃ after plasticizing, and stripping the release paper.
And 4, compounding the adhesive layer on the surface adhesive layer by using a compound machine, wherein the mesh number of an anilox roller of the compound machine is 60 meshes, drying the compound machine at 60 ℃ for 30-60s after compounding, and the adhesive layer consists of the following components in parts:
105 parts of a two-component polyurethane adhesive, 19 parts of a solvent, 15 parts of a cross-linking agent and 3 parts of a catalyst; in the bonding layer, the solid content of the two-component polyurethane adhesive is 76%, the molecular weight is 3000-10000, the solvent is butanone, the crosslinking agent is an isocyanate crosslinking agent, and the catalyst is stannous octoate.
And 5, attaching the outer protective layer to the adhesive layer, wherein the outer protective layer is made of low-density polyethylene and the thickness of the outer protective layer is 0.07 mm.
And 6, coiling the fabric obtained in the step 5, and standing for more than 24 hours for crosslinking and curing.
Basic Properties of the fabrics made in examples 1-4As shown in Table 1Shown in the figure:
TABLE 1Basic performance of fabric
TABLE 1The test data of the basic performance of the medium fabric is obtained by combining instruments such as a fiber tester and the like with corresponding national standard tests.
Anti-toxicity Properties of the fabrics made in examples 1-4As shown in Table 2Shown in
TABLE 2Gas resistance of fabric
Wherein,TABLE 2The test data of the medium anti-virus performance is obtained by using instruments such as a safety protection product detector and the like to combine with corresponding national standards for testing,TABLE 2The time for effectively blocking strong acid and the time for effectively blocking strong alkali are respectively 30 percent of H2SO4And 10% NaOH.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (10)
1. A preparation method of multifunctional biochemical protective clothing fabric is characterized by comprising the following steps: with adsorbed layer, base cloth layer, barrier layer, bond line and outer protective layer laminating together, the barrier layer includes primer layer and face glue film, and concrete step is as follows:
step 1, raising the base fabric layer by using a raising machine, and spraying or blade-coating the adsorption layer to the raised side of the base fabric layer;
step 2, coating the surface adhesive layer on release paper by using a scraper of a two-coating two-drying or three-coating three-drying coating machine, wherein the distance between the scraper and the release paper is 0.15-0.3mm, plasticizing in a drying oven at the plasticizing temperature of 160-200 ℃, cooling to below 50 ℃ after plasticizing, coating the primer layer on the surface adhesive layer by using the scraper of the two-coating two-drying coating machine or the three-coating three-drying coating machine, and the distance between the scraper and the primer layer is 0.15-0.3 mm;
step 3, attaching the base adhesive layer and the non-raising surface of the base cloth layer, plasticizing in an oven at the plasticizing temperature of 160-200 ℃, cooling to below 50 ℃ after plasticizing, and stripping release paper;
step 4, compounding the adhesive layer on the surface adhesive layer by using a compound machine, wherein the mesh number of an anilox roller of the compound machine is 20-100 meshes, and drying for 30-60s at 20-100 ℃ after compounding;
and 5, attaching the outer protective layer to the adhesive layer.
2. The multifunctional biochemical protective clothing fabric as claimed in claim 1, wherein:
the base cloth layer is made of flame-retardant fibers;
the adsorption layer comprises the following components in parts:
30-60 parts of aromatic hydrocarbon, 10-20 parts of absolute ethyl alcohol, 10-20 parts of activated carbon powder and 10-20 parts of single-component polyurethane;
the barrier layer includes primer layer and surface glue layer, wherein, the primer layer with the base cloth laminating, the primer layer constitute by the component of following part count:
90-110 parts of emulsion PVC paste resin, 40-80 parts of main plasticizer, 5-25 parts of auxiliary plasticizer, 2-10 parts of composite plasticizer, 5-20 parts of cold-resistant plasticizer, 10-40 parts of filler and 1-3 parts of stabilizer;
the surface glue layer comprises the following components in parts:
90-110 parts of emulsion PVC paste resin, 40-80 parts of main plasticizer, 5-25 parts of auxiliary plasticizer, 2-10 parts of composite plasticizer, 5-20 parts of cold-resistant plasticizer, 10-80 parts of filler and 2-4 parts of stabilizer;
the adhesive layer consists of the following components in parts:
90-110 parts of a two-component polyurethane adhesive, 10-20 parts of a solvent, 4-15 parts of a cross-linking agent and 1-4 parts of a catalyst;
the outer protective layer is a PE film.
3. The multifunctional biochemical protective clothing fabric as claimed in claim 2, wherein: the base cloth layer is one of all-cotton flame-retardant cloth, polyester-cotton flame-retardant cloth, aramid fiber flame-retardant cloth or nylon cotton flame-retardant cloth.
4. The multifunctional biochemical protective clothing fabric as claimed in claim 2, wherein: the viscosity of the single-component polyurethane in the adsorption layer is 30000-150000CPS at 30 ℃, the molecular weight is 100000-300000, the solid content is 20-50%, and the active carbon powder is 50-300 meshes.
5. The multifunctional biochemical protective clothing fabric as claimed in claim 2, wherein: the mass of the adsorption layer on the base cloth layer is 20-100g/m2The thickness of the base cloth layer is 0.3-0.8 mm.
6. The multifunctional biochemical protective clothing fabric as claimed in claim 2, wherein: the outer protective layer is made of low-density polyethylene, and the thickness of the outer protective layer is 0.05-0.10 mm.
7. The multifunctional biochemical protective clothing fabric as claimed in claim 2, wherein: in the bottom glue layer, the main plasticizer is dioctyl phthalate, the auxiliary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy plasticizer, the cold-resistant plasticizer is adipic acid ester cold-resistant plasticizer, the filler is light calcium carbonate, and the stabilizer is one of barium-chromium-zinc stabilizer, lead salt composite stabilizer, calcium-zinc composite stabilizer, barium-zinc composite stabilizer and potassium-zinc composite stabilizer.
8. The multifunctional biochemical protective clothing fabric as claimed in claim 2, wherein: in the surface glue layer, the main plasticizer is dioctyl phthalate, the auxiliary plasticizer is dibutyl phthalate, the composite plasticizer is epoxy plasticizer, the cold-resistant plasticizer is adipic acid ester cold-resistant plasticizer, the filler is heavy calcium carbonate, and the stabilizer is one of barium-chromium-zinc stabilizer, lead salt composite stabilizer, calcium-zinc composite stabilizer, barium-zinc composite stabilizer and potassium-zinc composite stabilizer.
9. The multifunctional biochemical protective clothing fabric as claimed in claim 2, wherein: in the adhesive layer, the solid content of the two-component polyurethane adhesive is more than 60%, the molecular weight is 3000-10000, the solvent is one of butanone or ethyl acetate, the crosslinking agent is an isocyanate crosslinking agent, and the catalyst is an amine catalyst or a tin catalyst.
10. The preparation method of the multifunctional biochemical protective clothing fabric according to claim 2, characterized by comprising the following steps: the step 1 and the step 2 are not in sequence.
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