CN113389061A - Oxford PE coating process - Google Patents
Oxford PE coating process Download PDFInfo
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- CN113389061A CN113389061A CN202110670146.7A CN202110670146A CN113389061A CN 113389061 A CN113389061 A CN 113389061A CN 202110670146 A CN202110670146 A CN 202110670146A CN 113389061 A CN113389061 A CN 113389061A
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- polyethylene
- oxford
- flame retardant
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- 238000000576 coating method Methods 0.000 title claims abstract description 80
- 239000004698 Polyethylene Substances 0.000 claims abstract description 74
- 239000011248 coating agent Substances 0.000 claims abstract description 59
- 239000002270 dispersing agent Substances 0.000 claims abstract description 36
- -1 polyethylene Polymers 0.000 claims abstract description 36
- 239000003063 flame retardant Substances 0.000 claims abstract description 32
- 229920000573 polyethylene Polymers 0.000 claims abstract description 32
- 239000004744 fabric Substances 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 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 16
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 230000003647 oxidation Effects 0.000 claims abstract description 10
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- 229920000642 polymer Polymers 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 9
- 150000002367 halogens Chemical class 0.000 claims abstract description 9
- 230000003064 anti-oxidating effect Effects 0.000 claims abstract description 8
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 5
- 239000004094 surface-active agent Substances 0.000 claims abstract description 5
- DEIGXXQKDWULML-UHFFFAOYSA-N 1,2,5,6,9,10-hexabromocyclododecane Chemical compound BrC1CCC(Br)C(Br)CCC(Br)C(Br)CCC1Br DEIGXXQKDWULML-UHFFFAOYSA-N 0.000 claims abstract description 4
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 claims abstract description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004815 dispersion polymer Substances 0.000 claims abstract description 4
- 229920000592 inorganic polymer Polymers 0.000 claims abstract description 4
- 239000003381 stabilizer Substances 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 230000001629 suppression Effects 0.000 claims description 5
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 4
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 4
- 229910001096 P alloy Inorganic materials 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 4
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 4
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 4
- 229920001684 low density polyethylene Polymers 0.000 claims description 4
- 239000004702 low-density polyethylene Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000005054 agglomeration Methods 0.000 claims description 3
- 230000002776 aggregation Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- 125000003277 amino group Chemical group 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 claims 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims 1
- 150000001412 amines Chemical group 0.000 abstract description 3
- 150000008301 phosphite esters Chemical class 0.000 abstract description 2
- 150000003568 thioethers Chemical class 0.000 abstract description 2
- 235000006708 antioxidants Nutrition 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Classifications
-
- 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
- D06N3/04—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 by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/045—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 by reactions only involving carbon-to-carbon unsaturated bonds with polyolefin or polystyrene (co-)polymers
-
- 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
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
-
- 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
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- 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
-
- 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
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to the technical field of PE coatings, in particular to an Oxford fabric PE coating process, which comprises a PE coating, an anti-aging agent, a polyethylene flame retardant, a dispersing agent and Oxford fabric, wherein the anti-aging agent is also a stabilizer, the antioxidant is selected from amine antioxidants, phenol antioxidants, sulfides and phosphite esters, the polyethylene flame retardant consists of a halogen flame retardant and a flame retardant synergist antimony trioxide, common halogen flame retardants comprise decabromodiphenyl ether, hexabromocyclododecane, octabromoether, tetrabromobisphenol A and the like, the dispersing agent is usually divided into inorganic polymers, surfactants and polymer dispersing agents, the dispersing agent is selected from dispersing agents with strong stabilizing effect and commonly used for dispersing high-content dispersion polymer dispersing agents, the anti-aging agent is used for adding excellent anti-oxidation function to the PE coating, so that the oxidation rate of the coating is greatly slowed down, thereby making the coating function durable for a long time.
Description
Technical Field
The invention relates to the technical field of PE coatings, in particular to a coating process of an oxford PE coating.
Background
The PE is polyethylene which is a high-molecular organic compound and is prepared by polymerizing ethylene, wherein the polyethylene is divided into a low-molecular weight polyethylene and a high-molecular weight polyethylene, the low-molecular weight polyethylene is generally liquid, colorless, tasteless and insoluble in water, the density is 0.92 g/cm < 3 >, the polyethylene can be used as lubricating oil and coating, the polyethylene has the characteristics of high rigidity, hardness and mechanical strength, is equivalent to that of a PU coating in terms of wear resistance, heat resistance, high gloss and the like, is superior to other coatings in terms of hardness, fullness, nozzle penetration, filling property and the like, the oxford fabric comprises a plurality of types such as oxford cloth, full-elastic oxford cloth, nylon oxford cloth, oxford cloth and the like, and is multifunctional and wide in application.
Although the PE coating has the advantages of corrosion resistance, good insulating property, wear resistance, heat resistance and the like, the PE coating is weak in oxidation resistance and is easily oxidized by external factors, so that the oxidation rate of the surface of the PE coating is high, the effective time of the performance of the coating is short, in addition, the PE coating does not have the performance of heat insulation, smoke prevention and fire prevention, and if the oxford fabric is burnt, the safety of a use place cannot be guaranteed.
Disclosure of Invention
The invention aims to provide an Oxford PE coating process, which aims to solve the problems that the PE coating provided by the background art is weak in oxidation resistance and is easily oxidized by external factors, so that the oxidation rate of the surface of the PE coating is high, and the effective time of the coating performance is short.
In order to achieve the purpose, the invention provides the following technical scheme: the coating process of the Oxford fabric PE coating comprises a PE coating, an anti-aging agent, a polyethylene flame retardant, a dispersing agent and Oxford fabric, wherein the anti-aging agent is also a stabilizing agent, and the anti-aging agent is selected from an amine anti-oxidant, a phenol anti-oxidant, sulfides and phosphites.
Preferably, the polyethylene flame retardant consists of a halogen flame retardant and a flame retardant synergist antimony trioxide, and common halogen flame retardants include decabromodiphenyl ether, hexabromocyclododecane, octabromoether, tetrabromobisphenol A and the like.
Preferably, the dispersants are generally classified into inorganic polymer, surfactant type, polymer type dispersants, and the dispersants are selected from the group of dispersants which have strong stabilizing effects and are commonly used for dispersing high content dispersion polymer type dispersants.
Preferably, the oxford fabric mainly comprises polyester fibers and is a multifunctional fabric with light and thin texture, soft hand feeling, good waterproofness and good durability.
Preferably, the coating process flow of the oxford PE coating mainly comprises the following points:
the method comprises the following steps: grinding polyethylene into powder by a grinding device, adding an aqueous solution, heating, stirring and dispersing, wherein the heating temperature is controlled to be between 90 and 120 ℃.
Step two: and (3) adding about 6% of polymer dispersant into the aqueous solution of the dispersed polyethylene in the first step, so that mutual agglomeration of filler particles can be effectively prevented, the performance of the product cannot be influenced, and continuously heating and stirring in the process of adding the dispersant.
Step three: and (3) pouring the anti-aging agent into the solution prepared in the second step, continuously stirring and heating, wherein the anti-aging agent is combined with the polyethylene coating, uniformly dispersed under the limitation of the dispersing agent, and uniformly fused with the solution, so that the PE coating can be added with an excellent anti-oxidation function, the oxidation rate of the coating is slowed down to a great extent, and the coating is durable in function for a long time.
Step four: the solution prepared in the third step is added with a defoaming agent for suppressing and eliminating foam, and a specific amount of the defoaming agent is usually added during production.
Step five: mixing the following components in percentage by weight: low density polyethylene, polyethylene-vinyl acetate; flame retardant: hydrated alumina, red phosphorus alloy, ammonium polyphosphate and pentaerythritol; the other additives are vinyl triethoxysilane and dicumyl peroxide which are added into the reaction kettle to prepare the polyethylene flame retardant.
Step six: and pouring the polyethylene flame retardant prepared in the step five into the solution in the step four, stirring and mixing at a high temperature, and adding heat insulation, oxygen insulation, smoke suppression and good flame retardance to the PE coating.
Step seven: and C, coating the modified PE coating prepared in the step six on the surface of the Oxford fabric by a roll coating method, and drying the coating by a drying mechanism to form a film.
The invention has the technical effects and advantages that:
1. the anti-aging agent is used for adding an excellent anti-oxidation function to the PE coating, so that the oxidation rate of the coating is greatly slowed down, and the coating is durable in function for a long time.
2. By adding the polyethylene flame retardant, the PE coating has the advantages of heat insulation, oxygen isolation, smoke suppression and good flame retardance, and the application range and safety guarantee of the PE coating are improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a technology for coating the PE coating on the oxford cloth includes such steps as coating PE, antiager, flame-retarding polyethylene agent, disperser and oxford cloth, which is also a stabilizer, and choosing antioxidizing agent including amine antioxidizing agent, phenol antioxidizing agent, sulfide and phosphite ester; performing deactivation stabilization treatment on the active end group; improving the chemical structure of the copolymer, and introducing a structure containing a stable group; the addition of additives such as an antioxidant or a light stabilizer is the best anti-aging method, and the antioxidant is combined with the polyethylene coating, so that the excellent antioxidant function can be added into the PE coating, the oxidation rate of the coating is greatly slowed down, and the coating is durable in function for a long time.
As a technical optimization scheme of the invention, the polyethylene flame retardant consists of a halogen flame retardant and a flame-retardant synergist antimony trioxide, common halogen flame retardants comprise decabromodiphenyl ether, hexabromocyclododecane, octabromoether, tetrabromobisphenol A and the like, the flame retardant has the excellent performances of high efficiency, high heat and light stability, low toxicity, low smoke and low corrosion, has small influence on processing and mechanical properties, and cannot cause environmental pollution, and the main components of the halogen flame retardant for the PE coating respectively comprise polymers: low density polyethylene, polyethylene-vinyl acetate; flame retardant: hydrated alumina, red phosphorus alloy, ammonium polyphosphate and pentaerythritol; the other additives are prepared by mixing vinyltriethoxysilane and dicumyl peroxide, and have the advantages of heat insulation, oxygen isolation, smoke suppression and good flame retardance.
As a technical optimization scheme of the invention, the dispersing agent is generally divided into inorganic polymer, surfactant and polymer dispersing agent, the dispersing agent is selected from a dispersing agent which has strong stabilizing effect and is commonly used for dispersing high-content dispersion polymer dispersing agent, the dispersing agent is a surfactant which has two opposite properties of lipophilicity and hydrophilicity in a molecule, and the polymer dispersing agent has strong stabilizing effect and is commonly used for dispersing high-content dispersion due to the fact that the polymer dispersing agent contains an anchoring group and a solid affinity chain, and the dispersing agent is characterized in that: the dispersion performance is good, and the filler particles are prevented from agglomerating with each other; has proper compatibility with resin and filler, good thermal stability, good fluidity during molding and processing, no influence on the performance of the product, and the dosage is about 6 percent of the total mass of the master batch.
As a technical optimization scheme of the invention, the oxford fabric mainly comprises polyester fibers and has a multifunctional fabric which is light and thin in texture, soft in hand feeling, good in waterproof property and good in durability, 200D nylon air-jet textured yarns are adopted as warp yarns of the fabric, 160D nylon air-jet textured yarns are adopted as weft yarns of the fabric and are in a plain weave structure, the product is woven by water spraying, and after the gray fabric is subjected to dyeing and finishing and coating processes, the oxford fabric has the advantages of being soft in hand feeling, strong in drapability, novel in style, good in waterproof property and the like, the fabric has the nylon yarn gloss appearance effect, the width of the fabric is 150cm, and the oxford fabric is sold in the market with the advantages of no fading, no deformation and the like.
As a technical optimization scheme of the invention, the coating process flow of the Oxford PE coating mainly comprises the following points:
the method comprises the following steps: grinding polyethylene into powder by a grinding device, adding an aqueous solution, heating, stirring and dispersing, wherein the heating temperature is controlled to be between 90 and 120 ℃.
Step two: and (2) adding about 6% of polymer dispersant into the aqueous solution of the polyethylene dispersed in the step one, so that mutual agglomeration of filler particles can be effectively prevented, the performance of the product cannot be influenced, and continuously heating and stirring in the process of adding the dispersant, so that the dispersing effect of each auxiliary agent and the polyethylene powder can be effectively improved.
Step three: and (3) pouring the anti-aging agent into the solution prepared in the second step, continuously stirring and heating, wherein the anti-aging agent is combined with the polyethylene coating, uniformly dispersed under the limitation of the dispersing agent, and uniformly fused with the solution, so that the PE coating can be added with an excellent anti-oxidation function, the oxidation rate of the coating is slowed down to a great extent, and the coating is durable in function for a long time.
Step four: the solution prepared in the third step is added with a defoaming agent for suppressing and eliminating foam, and a specific amount of the defoaming agent is usually added during production.
Step five: mixing the following components in percentage by weight: low density polyethylene, polyethylene-vinyl acetate; flame retardant: hydrated alumina, red phosphorus alloy, ammonium polyphosphate and pentaerythritol; the other additives are vinyl triethoxysilane and dicumyl peroxide which are added into the reaction kettle to prepare the polyethylene flame retardant.
Step six: and pouring the polyethylene flame retardant prepared in the step five into the solution in the step four, stirring and mixing at a high temperature, and adding heat insulation, oxygen insulation, smoke suppression and good flame retardance to the PE coating.
Step seven: and C, coating the modified PE coating prepared in the step six on the surface of the Oxford fabric by a roll coating method, and drying the coating by a drying mechanism to form a film.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The coating process of the Oxford fabric PE coating comprises the following steps of PE coating, an anti-aging agent, a polyethylene flame retardant, a dispersing agent and Oxford fabric, and is characterized in that: the anti-aging agent is also a stabilizer, and the antioxidant is selected from amine antioxidant, phenol antioxidant, sulfide and phosphite.
2. The oxford PE coating process according to claim 1, wherein: the polyethylene flame retardant consists of a halogen flame retardant and a flame-retardant synergist antimony trioxide, and common halogen flame retardants comprise decabromodiphenyl ether, hexabromocyclododecane, octabromoether, tetrabromobisphenol A and the like.
3. The oxford PE coating process according to claim 1, wherein: the dispersants are generally classified into inorganic polymer, surfactant-based and polymer-based dispersants, and the dispersants are selected from dispersants which have strong stabilizing effects and are commonly used for dispersing high-content dispersion polymer-based dispersants.
4. The oxford PE coating process according to claim 1, wherein: the oxford fabric mainly comprises polyester fibers and is a multifunctional fabric which is light and thin in texture, soft in hand feeling, good in waterproofness and good in durability.
5. The oxford PE coating process according to claim 1, wherein: the coating process flow of the Oxford PE coating mainly comprises the following points:
the method comprises the following steps: grinding polyethylene into powder by grinding equipment, adding an aqueous solution, heating, stirring and dispersing, wherein the heating temperature is controlled to be between 90 and 120 ℃;
step two: adding about 6% of polymer dispersant into the aqueous solution of the dispersed polyethylene in the first step, so that mutual agglomeration of filler particles can be effectively prevented, the performance of the product cannot be influenced, and heating and stirring are continuously carried out in the process of adding the dispersant;
step three: pouring the anti-aging agent into the solution prepared in the second step, continuously stirring and heating, wherein the anti-aging agent is combined with the polyethylene coating, uniformly dispersed under the limitation of the dispersing agent, and uniformly fused with the solution, so that the excellent anti-oxidation function can be added into the PE coating, the oxidation rate of the coating is slowed down to a great extent, and the coating function is durable for a long time;
step four: adding a defoaming agent into the solution prepared in the third step for inhibiting and eliminating foam, wherein a specific amount of the defoaming agent is usually added into the solution during production;
step five: mixing the following components in percentage by weight: low density polyethylene, polyethylene-vinyl acetate; flame retardant: hydrated alumina, red phosphorus alloy, ammonium polyphosphate and pentaerythritol; adding vinyl triethoxysilane and dicumyl peroxide as other additives into a reaction kettle to prepare a polyethylene flame retardant;
step six: pouring the polyethylene flame retardant prepared in the step five into the solution in the step four, stirring and mixing at a high temperature to increase heat insulation, oxygen insulation, smoke suppression and good flame retardance for the PE coating;
step seven: and C, coating the modified PE coating prepared in the step six on the surface of the Oxford fabric by a roll coating method, and drying the coating by a drying mechanism to form a film.
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Application publication date: 20210914 |