CN101498100B - Expansion type flame-retardant coatings glue and use thereof in textile finishing - Google Patents
Expansion type flame-retardant coatings glue and use thereof in textile finishing Download PDFInfo
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- CN101498100B CN101498100B CN2008101211019A CN200810121101A CN101498100B CN 101498100 B CN101498100 B CN 101498100B CN 2008101211019 A CN2008101211019 A CN 2008101211019A CN 200810121101 A CN200810121101 A CN 200810121101A CN 101498100 B CN101498100 B CN 101498100B
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Abstract
The invention discloses an intumescent flame retardant coating gum and the application thereof on fabric finishing. When the traditional intumescent flame retardant is applied to fabric, the fabric is not resistant to water rinse, water immersion or transfer, the flame retardant can lose or degrade under the action of luminous rays, heat, moisture and mechanical external force, and the flame retardant properties are reduced. The intumescent flame retardant coating gum comprises a flame retardant coating base gum and a carbon source, and is characterized in that the flame retardant coating base gum is prepared by mixing ammonium polyphosphate, melamine and 4A zeolite, adding organic alcohol, coating the mixture by more than two silane coupling agents for modification, drying the mixture after removing the organic alcohol to obtain a composite flame retardant, adding water, a non-ionic surface active agent, a binding agent and a cross-linking agent to the composite flame retardant, and grinding and dispersing the mixture; the carbon source is aqueous polyacrylic ester containing hydroxyl groups or aqueous polyurethane containing hydroxyl groups or a modifier of the former two. The invention obviously improves the performance of the flame retardant coating gum on flame retardant fabric for resistance to water rinse, transfer, light, heat and friction.
Description
Technical field
The present invention relates to the textile auxiliary field, specifically a kind of expansion type flame-retardant coatings glue and the application in textile finishing thereof.
Background technology
Expansion type flame retardant has been used relatively extensively in paint field, and certain exploration and popularization are also arranged in plastics.And at field of textiles, traditional expansion type flame retardant is used and is few, if with APP (APP) and pentaerythrite or bipentaerythrite and melamine (MEL) is that the conventional expanded type fire retardant of component is used on fabric, fabric can not water-fastly be washed, not water-fast bubble, more not anti-migration is under the effect of light, heat, wet, mechanical external force, fire retardant can occur running off or degraded, and fire resistance descends easily.
For improving the resistance to water of expansion type flame retardant, there are lot of documents and patent to propose the method for various coating modification APP, but APP is one of component of fire retardant, after the coating modification APP, for certain water miscible pentaerythrite and bipentaerythrite being arranged and the melamine of extremely slight dissolving being arranged in water, still have not water-fastly soakedly wash, the problem of anti-migration not.
Conventional expanded type fire retardant excellent performance, environment-friendly high-efficiency, smokeless, Halogen, nontoxic, and traditional expansion type flame retardant raw material is very easy to obtain, and as very high APP output is at home and abroad arranged, the phosphorus raw material is also cheap and easy to get; Melamine production capacity surplus especially is cheap in addition.If can be on fabrics flame resistance the APP of classics (acid source), melamine (source of the gas), charcoal source three's Application of composite, no matter in cost, technology or performance, application, all be to be easy to realize industrialization and commercial, key be to manage to improve that fire retardant water-fast on flame-retardant textile washed, anti-migration and fast light heat-resisting and crocking resistance.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective that above-mentioned prior art exists, a kind of expansion type flame-retardant coatings glue that integrates acid source (APP), source of the gas (melamine) is provided, it is done the charcoal source with the water polyacrylic acid of hydroxyl or aqueous polyurethane and adds and be placed on the flame retardant coating primer, to improve the wash durability of expandable flame retardant coating adhesive on fabric, anti-machinery, heat, light, wet performance.
For this reason, the present invention adopts following technical scheme: expansion type flame-retardant coatings glue, comprise flame retardant coating primer and charcoal source, it is characterized in that APP (acid source), melamine (source of the gas) and 4A zeolite are mixed, add organic alcohol, carry out coating modification with two or more silane couplers then, remove the dry composite flame-retardant agent that gets in organic alcohol back, this composite flame-retardant agent adds water, non-ionic surface active agent, adhesive, crosslinking agent, gets described flame retardant coating primer after grinding disperses;
Described charcoal source is the water polyacrylic acid of hydroxyl, or the aqueous polyurethane of hydroxyl, or the former two's modifier.
Another goal of the invention of the present invention provides the application of above-mentioned expansion type flame-retardant coatings glue in pure terylene or textile arrangement, its technique for applying is as follows: the flame retardant coating primer is coated on pure terylene or the pure cotton fabric, add a cover the charcoal source then, weightening finish is done in OK range in mass ratio between control acid source and the charcoal source, the weightening finish of fire-retardant primer and charcoal source, bake drying, get the expansion type flame-retarding fabric, the mass ratio in APP and charcoal source is controlled between the 1.0:1 to 4.5:1.
The present invention is applied to fabric coating with APP, melamine, the water polyacrylic acid that contains hydroxyl or aqueous polyurethane, embodies extraordinary fire resistance, and smokeless Halogen is nontoxic, high-efficiency environment friendly.Be used as water polyacrylic acid or aqueous polyurethane or its modifier of the hydroxyl in charcoal source, adhesive power is very strong, resistance to water is very good, can form fine and close high watertight transparent membrane, it is added be placed on the APP coating, make that the wash durability of final flame-retardant coatings glue on fabric is fine, anti-machinery, heat, light, wet performance all obviously improve.
The cardinal principle of expansion type flame-retardant coatings glue of the present invention is: by plurality of silane coupling agents APP, melamine, 4A zeolite are carried out coating modification, make in the composite flame-retardant agent each component by the silane coupler effect coupling or hydrogen bonded mutually, join in the adhesive then, add watersoluble closed based polyurethane and make crosslinking agent, grind the flame retardant coating primer of the back formation that is uniformly dispersed and coat on the fabric.Bake in the process at 170 ℃, crosslinking agent closure polyurethane can with active hydrogen reaction in the components such as acid source, source of the gas in adhesive and the fire retardant, thereby improve the adhesive power and the bond strength of flame retardant coating primer.Add the acid of the aqueous polyurethane of an amount of hydroxyl or aqueous polyacrylamide or its modifier again and do the charcoal source, add a cover on the flame retardant coating primer, finally make environment friendly non-halogen, low-smoke low-toxicity, transparent water-fast expansion type flame-retarding fabric.
In the fire-retardant process, emit ammonia and steam when APP is heated and produce polyphosphoric acids, polyphosphoric acids can form the high fluid film of heat endurance, can heat insulation oxygen barrier, melamine can absorb heat and produce a large amount of gases, and as the aqueous polyurethane of the hydroxyl of carbon source or water polyacrylic acid or its modifier in fire-retardant process, a part can be subjected to thermogenetic polyphosphoric acids reaction and a large amount of charcoal layer structure of dehydration generation under the acid catalysis situation with the acid source APP, another part fusion of can directly absorbing heat produces the thick liquid material, make coating and flame separate in the fusion contraction, a large amount of charcoal sources form the thickness liquid together with adhesive and polyphosphoric acids in becoming the charcoal process, with liquid thickness layer foaming and intumescing, finally form the good expansion charcoal layer structure of fire resistance after when acid source and source of the gas are heated, emitting gas.
In addition, the face glue that serves as the charcoal source itself has good cementitiousness, can add other functionalization auxiliary agent powder in the face glue of charcoal source, the flame-retardant coating fabric of preparation multifunction.
Concrete implementation step of the present invention is as follows:
Take by weighing 100-300 part APP (APP), 25-100 part melamine (MEL), 2-18 part 4A zeolite, control APP and MEL mass ratio are between 3.0:1 to 10.0:1, APP and 4A zeolite mass ratio are between 15.0:1 to 60.0:1, three flame-retardant compositions are mixed, join in the organic alcohol of 150-500 part, add 0.5-3.0 part silane coupler, under the solvent fluidized state stirring and refluxing 0.5-2.0 hour, cooling then, add another kind of silane coupler 0.5-4.5 part again, alcohol boiling attitude stirring and refluxing 0.5-3.5 hour, and then cooling, add silane coupler 0.5-5.0 part once more, alcohol boiling attitude stirring and refluxing 1.0-3.5 hour, after the cooling, remove and desolvate drying.
Take by weighing composite flame-retardant agent 100-250 part, add 40-400 part water, 0.5-3.0 portion non-ionic surface active agent, stir, add 100-300 part adhesive, 2-10 part crosslinking agent again, control composite flame-retardant agent and adhesive active ingredient mass ratio are between 1.0:1 to 4.0:1, and latex grinds and is uniformly dispersed, and get the flame retardant coating primer.
The flame retardant coating primer is coated on terylene or the COTTON FABRIC, be coated with two cuttves, 170 ℃ baked 40 to 60 seconds, were coated with behind two cuttves on the control fabric fire retardant glue and did between the weightening finish 7.0-20.0%; The fabric coating face is added a cover the aqueous polyurethane of cutter to three a cutter hydroxyl or water polyacrylic acid or its modifier again and is done the charcoal source after drying then, weightening finish is done between the fabric weight 2.0-14.0% in the charcoal source, and control acid source and charcoal source quality are than between 1.0:1 to 4.5:1,170 ℃ bake 40-60 second, get the expansion type flame-retardant coatings fabric.
The charcoal source is made face glue again and is used, has very high fastness, but also can in face glue, add other functional finishing adjuvant, such as flatting silica, bronze or silver powder or pearl essence or other functionalization powder auxiliary, acid source and charcoal source quality ratio will be controlled between the 1.6:1 to 3.6:1, and the flame retardant coating primer is done weightening finish should surpass fabric 8.5%, but must not be greater than 20.0%, when guaranteeing flame retardant effect, can make not only fire-retardant but also the fabric of other features is arranged.
Above-mentioned expansion type flame-retardant coatings glue, the crystal formation of APP are the II type, degree of polymerization 800-10000, and it selects the APP that is not modified for use, or the APP of crossing with silane, melamine or epoxy resin modification.
Above-mentioned expansion type flame-retardant coatings glue, the particle diameter of APP, melamine, 4A zeolite distributes all between the 0.5-20.0 micron.
Above-mentioned expansion type flame-retardant coatings glue, in the silane coupler adding system step by step, be heated to the boiling attitude and reflux in organic alcohol, silane coupler is the mixture more than two kinds in γ-methacryloxypropyl trimethoxy silane, N-β-aminoethyl-γ-An Bingjisanjiayangjiguiwan, γ-methacryloxypropyl methyl dimethoxysilane, gamma-aminopropyl-triethoxy-silane, γ-An Bingjisanjiayangjiguiwan, the γ-glycidyl ether oxygen propyl trimethoxy silane.
Above-mentioned expansion type flame-retardant coatings glue, adhesive are the modifier of aqueous polyurethane, water polyacrylic acid or water polyacrylic acid.
Above-mentioned expansion type flame-retardant coatings glue, crosslinking agent are anion, nonionic, anionic/nonionic closure aqueous polyurethane, and the mass ratio of closure aqueous polyurethane and adhesive active ingredient is between 0.003:1 to 0.067:1.
Above-mentioned expansion type flame-retardant coatings glue, the water polyacrylic acid of hydroxyl is selected in the charcoal source for use, or the aqueous polyurethane of hydroxyl, or the organic-silicon-modified polyurethane of hydroxyl, polyacrylate modified polyurethane, polyurethane-modified polyacrylate, silicone-modified polyacrylate, polystyrene modified polyacrylate emulsion.
The present invention has following effect: by to the coating modification of each component, crosslinked and proportioning control, after the coating primer that will comprise acid source, source of the gas and builder is coated fabric, water polyacrylic acid by adding a cover hydroxyl or aqueous polyurethane and modifier thereof are done the back arrangement in charcoal source again, have improved obviously that flame-retardant coatings glue water-fast on flame-retardant textile washed, anti-migration and fast light heat-resisting and crocking resistance; Can when component design, add other function additive in the charcoal source, under the situation that does not influence flame retardant rating, realize the multifunction of fabric.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the existing not stereoscan photograph of the APP CF-APP201 of coating modification (multiplication factor * 3000).
Fig. 2 is the stereoscan photograph (multiplication factor * 2000) of composite flame-retardant agent in the embodiment of the invention 1.
The stereoscan photograph (before the washing, multiplication factor * 500) of the residual charcoal layer that Fig. 3 forms after burning for the fabric of not adding a cover the charcoal source among the embodiment 1.
Fig. 4 does not add a cover the stereoscan photograph (washing after, multiplication factor * 500) of the fabric in charcoal source at the residual charcoal layer that forms after the burning among the embodiment 1.
The stereoscan photograph (before the washing, multiplication factor * 500) of the residual charcoal layer that Fig. 5 forms after burning for the fabric of adding a cover the charcoal source among the embodiment 1.
Fig. 6 adds a cover the stereoscan photograph (washing after, multiplication factor * 500) of the fabric in charcoal source at the residual charcoal layer that forms after the burning among the embodiment 1.
The specific embodiment
Embodiment 1
100 gram II type APP (ShenFang,SiChuan city Changfeng chemical industry Co., Ltd products, CF-APP201), 30 gram MEL, 2.5 gram 4A zeolite, three kinds of component average grain diameters are all about the 2.0-15.0 micron, join in 250 grams, 95% ethanol, stir, add 0.75 gram γ-glycidyl ether oxygen propyl trimethoxy silane (KH-560), add 0.10 gram ammoniacal liquor again, under evenly stirring, be warmed up to 79 ℃ from room temperature, refluxed 1.5 hours, be cooled to 70 ℃, drip 1.2 gram gamma-aminopropyl-triethoxy-silanes (KH-550), be heated to 79 ℃, refluxed 1.5 hours, be cooled to 70 ℃, add 2.0 gram γ-glycidyl ether oxygen propyl trimethoxy silane (KH-560), add 0.10 gram ammoniacal liquor, 80 ℃ were refluxed 2.5 hours, solvent is removed in cooling, 110 ℃ of dryings 0.5 hour, get the composite flame-retardant agent (see figure 2) of coating modification, the APP rule of surface of Bao Fuing is smoothless, and corner angle are clearly demarcated, is regular square.The then corner obfuscation of fire retardant after the coating, the adhesion of part fire retardant, shape also changes to some extent, and has the granule of more melamine or zeolite to stick at the APP surface, embodies the coupling coating effect of silane coupler.
Take by weighing composite flame-retardant agent 100 grams after the coating modification, add 80 gram water, 1.0 gram non-ionic surface active agent (peregal 0), 100 gram polyacrylate (Z-607 of Zhejiang Province Chuanhua Co., Ltd, solid content 40%), the watersoluble closed based polyurethane of 10 grams (Zhejiang Province Chuanhua Co., Ltd's product, solid content 25%), stir, and high speed dispersion ground 5 minutes, the flame retardant coating primer.
The flame retardant coating primer is coated (300 * 300 dawn) on the polyester low stretch silk fabrics, is coated with two cuttves, and 170 ℃ baked 60 seconds, and flame-retardant textile increases weight about 15.0%.The water polyacrylic acid (Z-607T of Zhejiang Province Chuanhua Co., Ltd with hydroxyl, solid content about 40%) do the charcoal source, add a cover two cuttves with the charcoal source on fabric, 170 ℃ baked 40 seconds, the dried weightening finish that bakes two cutter charcoal sources, back is about 7.0% of fabric, makes environment friendly non-halogen expansion type flame-retarding fabric.Simultaneously, for contrasting, flame retardant coating primer product is coated (300 * 300 dawn) on the polyester low stretch silk fabrics, be coated with two cuttves, 170 ℃ baked 60 seconds, and flame-retardant textile increases weight about 15.0%, do not add a cover the charcoal source, directly do applicating evaluating with the fabric that has been coated with the fire-retardant primer of two cuttves.
Performance among the embodiment 1 before and after the washing of environment friendly halogen-free fireproof coated fabric sees Table 1.
Embodiment 2
II type APP (the ShenFang,SiChuan city Changfeng chemical industry Co., Ltd product of the cyanurotriamide modified mistake of 105 grams, CF-APP202), 35 gram MEL, 3.5 gram 4A zeolite, three kinds of component average grain diameters are all about the 2.0-15.0 micron, join in 250 grams, 95% ethanol, stir, add 0.80 gram γ-glycidyl ether oxygen propyl trimethoxy silane (KH-560), add 0.10 gram ammoniacal liquor again, under evenly stirring, be warmed up to 79 ℃ from room temperature, refluxed 1.5 hours, and be cooled to 70 ℃, drip 1.0 gram gamma-aminopropyl-triethoxy-silanes (KH-550), be heated to 79 ℃, refluxed 1.5 hours, and be cooled to 70 ℃, add 1.5 gram KH-550, be heated to 80 ℃, refluxed 2.5 hours, solvent is removed in cooling again, 110 ℃ of dryings 0.5 hour, the composite flame-retardant agent of coating modification.
Take by weighing composite flame-retardant agent 100 grams after the coating modification, add 80 gram water, 1.0 gram non-ionic surface active agent (peregal 0), 125 gram polyacrylate (with embodiment 1), 10 gram watersoluble closed based polyurethanes (with embodiment 1), stir, and high speed dispersion ground 5 minutes, the flame retardant coating primer.
Flame retardant coating primer product is coated (300 * 300 dawn) on the long filament dacron, is coated with two cuttves, and 170 ℃ baked 60 seconds, and flame-retardant textile increases weight about 15.0%.The aqueous polyurethane (Z-680T of Zhejiang Province Chuanhua Co., Ltd with hydroxyl, solid content about 30%) does the charcoal source, and add the closure polyurethane that is equivalent to aqueous polyurethane emulsion 5.0% quality and do additional crosslink agent, a cutter is added a cover on dacron in the charcoal source, 170 ℃ baked 60 seconds, the dried weightening finish that bakes charcoal source, back is about 4.0% of fabric, makes environment friendly non-halogen expansion type flame-retarding fabric.
Embodiment 3
150 gram epoxy resin coat II type APP (ShenFang,SiChuan city Changfeng chemical industry Co., Ltd product, CF-APP204), 30 gram MEL, 5.0 gram 4A zeolite, three kinds of component average grain diameters are all about the 2.0-15.0 micron, join in 300 grams, 95% ethanol, stir, add 1.5 gram γ-glycidyl ether oxygen propyl trimethoxy silane (KH-560), add 0.10 gram ammoniacal liquor again, under evenly stirring, be warmed up to 79 ℃ from room temperature, refluxed 1.5 hours, and be cooled to 70 ℃, drip 1.5 gram gamma-aminopropyl-triethoxy-silanes (KH-550), be heated to 79 ℃, refluxed 1.5 hours, and be cooled to 70 ℃, add 1.5 gram γ-methacryloxypropyl trimethoxy silane (KH-570), be heated to 80 ℃, refluxed 2.5 hours, solvent is removed in cooling again, 110 ℃ of dryings 0.5 hour, the composite flame-retardant agent of coating modification.
Take by weighing composite flame-retardant agent 150 grams after the coating modification, add 100 gram water, 1.0 gram non-ionic surface active agent (peregal 0), 120 gram polyacrylate (with embodiment 1), 37 gram watersoluble closed based polyurethanes (with embodiment 1), stir, and high speed dispersion ground 5 minutes, the flame retardant coating primer.
The flame retardant coating primer is coated (poplin cloth) on the pure cotton fabric, and the front reverse side respectively is coated with a cutter, and 170 ℃ baked 40 seconds, and flame-retardant textile increases weight about 18.0%.Add a cover the organic silicon modified aqueous polyurethane charcoal source (TF-673T of Zhejiang Province Chuanhua Co., Ltd, solid content about 30%) of two cutter hydroxyls, 170 ℃ baked 40 seconds, and the dried weightening finish that bakes charcoal source, back is about 9.0% of fabric.Make environment friendly non-halogen expansion type flame-retarding fabric.
Embodiment 4
120 gram II type APP (ShenFang,SiChuan city Changfeng chemical industry Co., Ltd products, CF-APP201), 30 gram MEL, 4.0 gram 4A zeolite, three kinds of component average grain diameters are all about the 2.0-15.0 micron, join in 250 grams, 95% ethanol, stir, add 1.0 gram γ-glycidyl ether oxygen propyl trimethoxy silane (KH-560), add 0.10 gram ammoniacal liquor again, under evenly stirring, be warmed up to 79 ℃ from room temperature, refluxed 1.5 hours, and be cooled to 70 ℃, drip 1.2 gram gamma-aminopropyl-triethoxy-silanes (KH-550), be heated to 79 ℃, refluxed 1.5 hours, and be cooled to 70 ℃, add 1.8 gram γ-An Bingjisanjiayangjiguiwans (KH-555), be heated to 80 ℃, refluxed 2.5 hours, solvent is removed in cooling again, 100 ℃ of dryings 1.0 hours, the composite flame-retardant agent of coating modification.
Take by weighing composite flame-retardant agent 125 grams after the coating modification, add 75 gram water, 1.0 gram non-ionic surface active agent (peregal 0), 125 gram polyacrylate (with embodiment 1), 32.5 restrain watersoluble closed based polyurethane (with embodiment 1), stir, and high speed dispersion ground 5 minutes, the flame retardant coating primer.
The flame retardant coating primer is coated (300 * 300 dawn) on the polyester low stretch silk fabrics, is coated with two cuttves, and 170 ℃ baked 60 seconds, and flame-retardant textile increases weight about 18%.The water polyacrylic acid (Z-680T of Zhejiang Province Chuanhua Co., Ltd with hydroxyl, solid content about 30%) does charcoal source and adhesive, and in adhesive, add flatting silica, flatting silica accounts for 4% (mass percent) in the adhesive of whole charcoal source, and add the closure polyurethane that is equivalent to aqueous polyurethane quality 5% and do additional crosslink agent, a cutter is added a cover on dacron in the charcoal source, 170 ℃ baked 60 seconds, the dried weightening finish that bakes charcoal source, back is about 8% of fabric, and then add a cover the organic silicon modified polyurethane (TF-673T of Zhejiang Province Chuanhua Co., Ltd) of one hydroxyl, 170 ℃ baked 40 seconds, dried weightening finish is about 4%, makes the environment friendly non-halogen expansion type flame-retarding fabric of functionalization.
Test experiments
Two kinds of flame-retardant textiles with among the embodiment 1 carry out performance test by GB.
Antitorque curvature is flexible: press the test of FZ/T01052-1998 (mensuration of the flexible energy of the antitorque curvature of coated fabric) method.Grading divides 5 grades: 0 grade is no folding line; 1 grade has folding line, crackle, shallow decolouring; 2 grades is dark decolouring, be full of cracks is arranged, but do not arrive the intermediate layer; 3 grades reach the bottom for flaking or chap, wearing; 4 grades for peeling off, and wears fully to reach the bottom.
Test cloth flame retardant effect: press GB/T5455-1997eqv IS06491:1992 (mensuration of textiles vertical combustion performance vertical combustion direction sample propagation of flame performance) method test vertical combustion, limited oxygen index (LOI) is measured by GB GB/T5454--1997eqvISO4589:1984 (textile combustion performance test oxygen index method).
Washed 45 minutes down at 45 ℃ by associated fabric washing standard, the dehydration back is dry.The flexible property of vertical combustion performance, limited oxygen index, feel, antitorque curvature of washing back fabric, hydrostatic pressing etc. are all tested by GB.
Every performance indications of fabric see Table 1 before and after the washing, as can be seen, the fabric that adds capping Jiao Tanyuan, be not only that water resistance is good, washable, wear-resisting, fastness is good, and fire resistance is also fine, cigarette little (laboratory records smoke density (SDR) less than 10), low toxicity, limited oxygen index height, fire resistance are lasting, can also give good soft hand feeling of flame-retardant textile and epithelium sense in addition, give fabric better weather-proof stability.Water polyacrylic acid or aqueous polyurethane with hydroxyl are made charcoal source and face glue, and the expansion type flame-retarding fabric shows excellent comprehensive performances.
Fig. 3 and Fig. 4 do not add a cover the residual charcoal layer that charcoal source fabric forms after burning among the embodiment 1, as can be seen, do not add a cover the charcoal source, though system residue behind flame retardant test has expansion structure, flame retardant effect are arranged, and be loose porous, fully starvation and thermal source.At the fire-retardant again carbon residue of process washing back test, because the fire retardant loss is more in the fabric, even can not be fire-retardant, its burning back carbon residue does not have expansion structure or pore, has only some scattered fragments not of uniform size.
Fig. 5 and Fig. 6 add a cover the charcoal source to test fire-retardant charcoal layer structure before washing and after the washing among the embodiment 1.System charcoal layer structure is more compact and complete after adding a cover the charcoal source, thereby shows better fire resistance.Even after washing, its limited oxygen index decreases, and coating has a small amount of weightlessness, and the charcoal layer remains structural integrity and expansion is arranged behind the flame retardant test, also occurs a small amount of micropore open-celled structure simultaneously, makes washing back flame retardance results slightly change, but still can pass through the B1 level.
Performance among table 1: the embodiment 1 before and after the washing of environment friendly halogen-free fireproof coated fabric
Claims (8)
1. expansion type flame-retardant coatings glue, comprise flame retardant coating primer and charcoal source, it is characterized in that APP, melamine and 4A zeolite are mixed, add organic alcohol, carry out coating modification with two or more silane couplers then, remove the dry composite flame-retardant agent that gets in organic pure back, this composite flame-retardant agent adds water, non-ionic surface active agent, adhesive, crosslinking agent, gets described flame retardant coating primer after grinding disperses;
The mass ratio of described APP and melamine is between 3.0: 1 to 10.0: 1, and the mass ratio of APP and 4A zeolite is between 15.0: 1 to 60.0: 1;
Described silane coupler is the mixture more than two kinds in γ-methacryloxypropyl trimethoxy silane, N-β-aminoethyl-γ-An Bingjisanjiayangjiguiwan, γ-methacryloxypropyl methyl dimethoxysilane, gamma-aminopropyl-triethoxy-silane, γ-An Bingjisanjiayangjiguiwan, the γ-glycidyl ether oxygen propyl trimethoxy silane;
The mass ratio of described composite flame-retardant agent and adhesive active ingredient is between 1.0: 1 to 4.0: 1;
Described crosslinking agent is anion, nonionic, anionic/nonionic closure aqueous polyurethane, and the mass ratio of closure aqueous polyurethane and adhesive active ingredient is between 0.003: 1 to 0.067: 1;
Described charcoal source is the water polyacrylic acid of hydroxyl, or the aqueous polyurethane of hydroxyl, or the former two's modifier, and the mass ratio in APP and charcoal source is controlled between 1.0: 1 to 4.5: 1.
2. expansion type flame-retardant coatings glue according to claim 1, the crystal formation that it is characterized in that described APP is the II type, degree of polymerization 800-10000 selects the APP that is not modified for use, or the APP of crossing with silane, melamine or epoxy resin modification.
3. expansion type flame-retardant coatings glue according to claim 1 is characterized in that in the described silane coupler adding system step by step, is heated to the boiling attitude and refluxes in organic alcohol.
4. expansion type flame-retardant coatings glue according to claim 1 is characterized in that described adhesive is the modifier of aqueous polyurethane, water polyacrylic acid or water polyacrylic acid.
5. expansion type flame-retardant coatings glue according to claim 1, it is characterized in that described charcoal source selects the water polyacrylic acid of hydroxyl for use, or the aqueous polyurethane of hydroxyl, or the organic-silicon-modified polyurethane of hydroxyl, polyacrylate modified polyurethane, polyurethane-modified polyacrylate, silicone-modified polyacrylate, polystyrene modified polyacrylate emulsion.
6. according to each described expansion type flame-retardant coatings glue application in textile finishing of claim 1-5, it is characterized in that being used for pure terylene or pure cotton fabric.
7. the application of expansion type flame-retardant coatings glue according to claim 6 in textile finishing is characterized in that technique for applying is as follows: the flame retardant coating primer is coated on pure terylene or the pure cotton fabric, added a cover the charcoal source then, bake drying, get the expansion type flame-retarding fabric.
8. the application of expansion type flame-retardant coatings glue according to claim 7 in textile finishing is characterized in that adding functionalization auxiliary agent powder in the charcoal source, is applied on the fabric after being uniformly dispersed, and makes the expansion type flame-retardant coatings fabric of multifunction.
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| CN102392356B (en) * | 2011-07-07 | 2013-07-10 | 公安部四川消防研究所 | Manufacturing technique of wash-resistant and flame-retardant blended fabric |
| CN102517882A (en) * | 2011-12-16 | 2012-06-27 | 华纺股份有限公司 | Flame retardant and stiffened finishing agent and using method thereof |
| CN102587167B (en) * | 2012-01-11 | 2013-09-04 | 浙江理工大学 | Coating method for relieving color change of dacron coated fabric |
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