CN110091559A - A kind of rail vehicle decorative floor composite material and preparation method - Google Patents

A kind of rail vehicle decorative floor composite material and preparation method Download PDF

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Publication number
CN110091559A
CN110091559A CN201810092905.4A CN201810092905A CN110091559A CN 110091559 A CN110091559 A CN 110091559A CN 201810092905 A CN201810092905 A CN 201810092905A CN 110091559 A CN110091559 A CN 110091559A
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CN
China
Prior art keywords
parts
composite material
rail vehicle
decorative floor
vehicle decorative
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810092905.4A
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Chinese (zh)
Inventor
姜猛进
叶光斗
刘鹏清
钱振地
陈逊
陈刚
王九庆
王九龙
吴元文
陈宝林
陈幼林
黄廣
邓玉竹
王光亮
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Chengdu Tianfu Rail Valley Science And Technology Co Ltd
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Chengdu Tianfu Rail Valley Science And Technology Co Ltd
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Publication date
Application filed by Chengdu Tianfu Rail Valley Science And Technology Co Ltd filed Critical Chengdu Tianfu Rail Valley Science And Technology Co Ltd
Priority to CN201810092905.4A priority Critical patent/CN110091559A/en
Publication of CN110091559A publication Critical patent/CN110091559A/en
Pending legal-status Critical Current

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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
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    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
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    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
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  • Chemical & Material Sciences (AREA)
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  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a kind of rail vehicle decorative floor composite material and preparation method, the composite material is successively combined by lower panel, glue film, honeycomb core, glue film, top panel from bottom to top；The top panel and lower panel are solidified by thermoplastic resin-impregnated fibers cloth；The glue film is modified polyethylene film；The honeycomb core is modified Poly-p-phenylene benzobisthiazole paper, wherein modified Poly-p-phenylene benzobisthiazole paper includes the following raw material: polyparaphenylene's benzo double oxazole, acrylic resin, carbon fiber, esterification starch, flyash gel, hydroxymethyl cellulose, chitosan microball, graphene oxides, plasticizer.The present invention is used for the composite material of rail vehicle decorative floor, using thermoplastic resin-impregnated fibers cloth-modification Poly-p-phenylene benzobisthiazole paper-thermoplastic resin-impregnated fibers cloth structure, structural strength is high, have many advantages, such as that high-strength light, waterproof, compressive property are good, indeformable, improves the safety of rail vehicle decorative floor.

Description

A kind of rail vehicle decorative floor composite material and preparation method
Technical field
The present invention relates to the automobile-used Material Fields of rail traffic, specifically, being to be related to a kind of rail vehicle decorative floor Composite material and preparation method.
Background technique
New diseases are that high-speed magnetic levitation vehicle realizes light-weighted main and most effective approach, are that development is high One of most important key technology of fast track train.For material, in addition to requiring lightweight, it is necessary to have higher strong The performances such as degree, modulus, toughness, wear-resisting, endurance, ageing-resistant, fire-retardant.Sandwich structure composite material have big bending stiffness/ Weight ratio, big bending strength/weight ratio and good sound-absorption and heat-insulation performance, are widely used in the inner wall of track train Decorative wall panels.
Sandwich structure composite material is generally made of sandwich layer, panel, adhesive etc., and wherein core material includes timber, bubble Foam material, cellular material etc., panel material include aluminium sheet, carbon fiber composite board, fiberglass composite plate etc..Italian ETR500 On type bullet train, inner wall decorative wall panels use high specific stiffness composite sandwich plate, and (panel coats polytetrafluoroethylene (PTFE) for surface Glass fiber laminate, sandwich layer is paper honeycomb)；Stockholm, SWE subway train side wall is that stainless steel sandwich presss from both sides PMI Foam cored structure, end carriage are embedded in sandwich structure；In recent years, application of South Korea's bullet train in meta-aramid honeycomb core plate Aspect is also developing, and starts largely to use meta-aramid cellular board；Urban rail transit in China train interior trim wallboard master It will be based on clad aluminium, aluminum honeycomb panel.
Core material disadvantage in the prior art: aramid fiber honeycomb core itself contains amide group, and polarity is strong, hygroscopic, is made As seepage problem occurs for the micro-crack of surface layer after sandwich, when moisture absorption or hydraulic performance degradation is met, and Water when low temperature in honeycomb hole can expand after being frozen, and will destroy neighbouring honeycomb cell and bond, it is compound to reduce honeycomb The performance of material；Additionally as the flooring material of rail transit train, suffered by shear outside the plane load it is higher, so meta position is fragrant The cellular shear strength of synthetic fibre, modulus of shearing, temperature tolerance, fatigue performance etc. are to be improved；PEI, PMI woven foam sandwich composite material It is at high cost, shear strength is low；Aluminum honeycomb interlayer composite material: it can be sent out than high score sub-honeycomb quality weight, with carbon fiber use simultaneously Raw contact corrosion, does not have " mechanics memory ", deforms irrecoverable.
Summary of the invention
The purpose of the present invention is to provide a kind of rail vehicle decorative floor composite material and preparation methods, to solve Existing rail vehicle inner wall ornament materials is there are moisture absorption or meets hydraulic performance degradation, and can not repair, fire protecting performance There is security risk in difference.
To solve the above-mentioned problems, the invention provides the following technical scheme:
A kind of rail vehicle decorative floor composite material, from bottom to top successively by lower panel, glue film, honeycomb core, glue film, Top panel is combined；The top panel and lower panel are solidified by thermoplastic resin-impregnated fibers cloth；The honeycomb core is modified poly- To the double oxazole fibrous papers of penylene benzo.
Specifically, the resin includes phenolic resin, any one in fire retarding epoxide resin, and the fiber cloth is glass Fiber plain cloth, glass fibre twill, carbon fiber plain cloth, carbon fiber twill, basalt fibre plain cloth, basalt are fine Tie up any one in twill.
Specifically, the upper and lower panel with a thickness of 0.2-2mm.
Specifically, the glue film is modified polyethylene film, including following raw material: 60-80 parts of polyethylene, hydroxyl fourth 20-40 parts of benzene latex, 15-30 parts of basalt fibre, 10-20 parts of esterification starch, 1-5 parts of waterproofing agent, 0.1-1 parts of crosslinking agent；Institute Stating glue film surface density is 100-400g/m2.The present invention is modified processing to conventional polyvinyl film, improves the tough of polyethylene film Property, mechanical property and waterproofness, improve its glue performance, make the composite material tool for rail vehicle decorative floor of preparation There are higher mechanical property and waterproof performance.
Specifically, the density of the modified Poly-p-phenylene benzobisthiazole paper is 40-144kg/m3, cell side length is 1.83-5.0mm, with a thickness of 5-50mm.
Specifically, the modified Poly-p-phenylene benzobisthiazole paper includes the raw material of following parts by weight: polyparaphenylene Double 50-100 parts of the oxazoles of benzo, 20-30 parts of acrylic resin, 15-25 parts of carbon fiber, 10-20 parts of esterification starch, flyash gel 5-10 parts, 3-8 parts of hydroxymethyl cellulose, 3-8 parts of chitosan microball, 1-5 parts of graphene oxide, 1-3 parts of plasticizer.The modification is poly- To addition acrylic resin, carbon fiber, esterification starch, flyash gel, hydroxylmethyl cellulose in the double oxazole fibrous papers of penylene benzo Element, chitosan microball, graphene oxide, the double oxazoles of polyparaphenylene's benzo and acrylic resin, carbon fiber cooperatively form net Shape structure, the mechanical property of the double oxazoles of enhancing polyparaphenylene's benzo；Graphene oxide and flyash gel are interacted simultaneously Be woven into honeycomb structure, hydroxymethyl cellulose and chitosan microball be wrapped in honeycomb structure, when fibrous paper moisture absorption or When person meets water, the hydroxymethyl cellulose and chitosan microball for being coated on honeycomb structure take the lead in avoiding moisture absorption poly- to benzene The double oxazole fibers of support benzo lead to mechanical properties decrease because meeting water, while plasticizer is added in composite fibre paper, improve fiber The shear strength and toughness of paper.
Specifically, the plasticizer is phosphate, acetyl triethyl citrate, borate, glycerin monostearate, adjacent benzene One or more of dioctyl phthalate diisodecyl ester.
Specifically, the modified Poly-p-phenylene benzobisthiazole paper is prepared by the following method gained:
(1) the double oxazoles of polyparaphenylene's benzo, acrylic resin, carbon fiber, esterification starch are placed in stirring instead by weight Answer in kettle, 60-80 DEG C, mixing speed be 100-300r/min under the conditions of stir 10-20min；
(2) hydroxymethyl cellulose, graphene oxide are dissolved in water and are made into the solution that mass concentration is 10-30%, powder is added Coal ash gel, chitosan microball are mixed to form mixed liquor；
(3) mixed liquor in step (2) is added in step (1), continues to stir 10-30min, mixing speed 100- 300r/min, by weight addition plasticizer continue to be stirred to react 10-20min at 60-80 DEG C, obtain composite mortar；
(4) by slurry obtained by step (3) carry out online manufacture paper with pulp, press dewatering, drying, obtain modified polyparaphenylene's benzene And double oxazole fibrous papers.
It is a further object of the present invention to provide a kind of preparation methods of rail vehicle decorative floor composite material, including such as Lower step:
(1) drying of honeycomb core: modified Poly-p-phenylene benzobisthiazole paper being placed in baking oven, is started to warm up, 100-120 DEG C drying 2-16 hours；
(2) laying: the primary laying in a mold by lower panel, glue film, honeycomb core, glue film, top panel empties panel and glue Air between film；
(3) vacuum bag processed: the material completed is packaged using vacuum bag film, using sealing joint strip, is pasted on one side Die edge pastes vacuum bag edge on one side；
(4) solidify: the packaged material of step (c), which is slowly vacuumized, is bonded vacuum bag completely with material, then will Pressure in autoclave rises to 0.01-0.5MPa, is warming up to 80-180 DEG C with the rate of 1-5 DEG C/min, keeps 30-120min；
(5) demoulding: after the completion of solidification, being down to 60 DEG C hereinafter, autoclave pressure release and take out material to temperature, through demoulding, after Processing obtains the composite material.
Compared with prior art, the invention has the following advantages:
(1) present invention is used for the composite material of rail vehicle decorative floor, using poly- pair of thermoplastic resin-impregnated fibers cloth-modification The structure of the double oxazole fibrous paper-thermoplastic resin-impregnated fibers cloth of penylene benzo, structural strength is high, has high-strength light, waterproof, crushing resistance Can be good, indeformable the advantages that, improves the safety of rail vehicle decorative floor.
(2) upper and lower plates of the thermoplastic resin-impregnated fibers cloth as composite material are used in the present invention, improve the structure of composite material Intensity meets lighting requirement simultaneously because resin, fiber cloth are light material, while resin, fiber cloth is not easy and other Corrosiveness occurs for material, extends the service life of composite material.
(3) present invention uses modified polyethylene film, improves the toughness, mechanical property and waterproofness of polyethylene film, improves it Glue performance makes the composite material mechanical property with higher and waterproofness for rail vehicle decorative floor of preparation Energy.
(4) honeycomb core of the present invention is using modified Poly-p-phenylene benzobisthiazole paper, wherein addition has water sorption Hydroxymethyl cellulose, chitosan microball, improve the waterproof performance of fibrous paper, addition carbon fiber, esterification starch, flyash are solidifying Glue, graphene oxide form honeycomb reticular structure in fibrous paper surface, enhance the mechanical property of composite material, while compound Plasticizer is added in fibrous paper, is improved the shear strength and toughness of composite material, is extended the service life of composite material.
(5) the Shear Strength of Composite Materials prepared by the present invention is 35-45MPa, climbing drum peel strength 5-14kN/m, horizontal drawing Intensity is 7-9MPa, has high-strength, high temperature resistant, lightweight, waterproof performance, is suitable for rail vehicle floor and decorates.
(6) present invention is environment-friendly materials for the composite material of rail vehicle decorative floor, belongs to low volatility Green organic environmental-protection material, no pollution to the environment.
Specific embodiment
Below with reference to embodiment, the invention will be further described, and embodiments of the present invention include but is not limited to following reality Apply example.
Embodiment 1
A kind of rail vehicle decorative floor composite material, from bottom to top successively by lower panel, glue film, honeycomb core, glue film, Top panel is combined；Wherein top panel is with a thickness of 0.2mm, top panel solidified by phenolic resin impregnated glass fiber plain cloth and At；Lower panel with a thickness of 0.2mm, lower panel is solidified by phenolic resin impregnated glass fiber twill；Glue film is that face is close Degree is 100g/m2Modified polyethylene film；Honeycomb core is that density is 40kg/m3, cell side length is 1.83mm, with a thickness of the compound of 5mm Polyimide fiber honeycomb；
Wherein, modified polyethylene film, including following raw material: 60 parts of polyethylene, 20 parts of hydroxyl styrene-butadiene latex, the Black Warrior 15 parts of rock fiber, 10 parts of esterification starch, 1 part of waterproofing agent, 0.1 part of crosslinking agent.
Wherein, modified Poly-p-phenylene benzobisthiazole paper is prepared by the following method gained:
(1) by 50 parts by weight polyparaphenylene benzos double oxazoles, 20 parts by weight of polypropylene resins, 15 parts by weight of carbon fibers, 10 Parts by weight esterification starch is placed in stirred autoclave, 60 DEG C, mixing speed be 100r/min under the conditions of stir 20min；
(2) being dissolved in water to be made into mass concentration by 3 parts by weight hydroxymethyl celluloses, 1 parts by weight graphene oxide is 10% 5 weight parts of fine coal ash gels are added in solution, 3 parts by weight chitosan microballs are mixed to form mixed liquor；
(3) mixed liquor in step (2) is added in step (1), continues to stir 10min, mixing speed 300r/min, 1 parts by weight of phosphoric acid ester is added to continue to be stirred to react 20min at 60 DEG C, obtains composite mortar；
(4) by slurry obtained by step (3) carry out online manufacture paper with pulp, press dewatering, drying, obtain modified polyparaphenylene's benzene And double oxazole fibrous papers.
The preparation method of above-mentioned rail vehicle decorative floor composite material, includes the following steps:
(1) drying of honeycomb core: modified Poly-p-phenylene benzobisthiazole paper being placed in baking oven, is started to warm up, 100 DEG C dry 2 hours；
(2) laying: the primary laying in a mold by lower panel, glue film, honeycomb core, glue film, top panel empties panel and glue Air between film；
(3) vacuum bag processed: the material completed is packaged using vacuum bag film, using sealing joint strip, is pasted on one side Die edge pastes vacuum bag edge on one side；
(4) solidify: the packaged material of step (c), which is slowly vacuumized, is bonded vacuum bag completely with material, then will Pressure in autoclave rises to 0.01MPa, is warming up to 80 DEG C with the rate of 1 DEG C/min, keeps 120min；
(5) demoulding: after the completion of solidification, being down to 60 DEG C hereinafter, autoclave pressure release and take out material to temperature, through demoulding, after Processing obtains the composite material.
Embodiment 2
A kind of rail vehicle decorative floor composite material, from bottom to top successively by lower panel, glue film, honeycomb core, glue film, Top panel is combined；Wherein top panel with a thickness of 1mm, top panel is solidified by fire retarding epoxide resin impregnation of carbon fibers plain cloth It forms；Lower panel with a thickness of 1mm, lower panel is solidified by fire retarding epoxide resin impregnation of carbon fibers twill；Glue film is face Density is 300g/m2Modified polyethylene film；Honeycomb core is that density is 80kg/m3, cell side length is 3.0mm, with a thickness of changing for 30mm Property Poly-p-phenylene benzobisthiazole paper；
Wherein, modified polyethylene film, including following raw material: 70 parts of polyethylene, 30 parts of hydroxyl styrene-butadiene latex, the Black Warrior 20 parts of rock fiber, 15 parts of esterification starch, 3 parts of waterproofing agent, 0.5 part of crosslinking agent.
Wherein, modified Poly-p-phenylene benzobisthiazole paper is prepared by the following method gained:
(1) by 80 parts by weight polyparaphenylene benzos double oxazoles, 25 parts by weight of polypropylene resins, 20 parts by weight of carbon fibers, 15 Parts by weight esterification starch is placed in stirred autoclave, 70 DEG C, mixing speed be 200r/min under the conditions of stir 15min；
(2) being dissolved in water to be made into mass concentration by 5 parts by weight hydroxymethyl celluloses, 3 parts by weight graphene oxides is 20% 8 weight parts of fine coal ash gels are added in solution, 5 parts by weight chitosan microballs are mixed to form mixed liquor；
(3) mixed liquor in step (2) is added in step (1), continues to stir 20min, mixing speed 200r/min, 1 parts by weight acetyl triethyl citrate is added, 1 part by weight of boric acid ester continues to be stirred to react 15min at 70 DEG C, obtain composite pulp Material；
(4) by slurry obtained by step (3) carry out online manufacture paper with pulp, press dewatering, drying, obtain modified polyparaphenylene's benzene And double oxazole fibrous papers.
The preparation method of above-mentioned rail vehicle decorative floor composite material, includes the following steps:
(1) drying of honeycomb core: modified Poly-p-phenylene benzobisthiazole paper being placed in baking oven, is started to warm up, 110 DEG C dry 10 hours；
(2) laying: the primary laying in a mold by lower panel, glue film, honeycomb core, glue film, top panel empties panel and glue Air between film；
(3) vacuum bag processed: the material completed is packaged using vacuum bag film, using sealing joint strip, is pasted on one side Die edge pastes vacuum bag edge on one side；
(4) solidify: the packaged material of step (c), which is slowly vacuumized, is bonded vacuum bag completely with material, then will Pressure in autoclave rises to 0.3MPa, is warming up to 150 DEG C with the rate of 3 DEG C/min, keeps 80min；
(5) demoulding: after the completion of solidification, being down to 60 DEG C hereinafter, autoclave pressure release and take out material to temperature, through demoulding, after Processing obtains the composite material.
Embodiment 3
A kind of rail vehicle decorative floor composite material, from bottom to top successively by lower panel, glue film, honeycomb core, glue film, Top panel is combined；Wherein top panel with a thickness of 2mm, top panel is solidified by phenolic resin dipping basalt fibre plain cloth It forms；Lower panel with a thickness of 2mm, lower panel is solidified by fire retarding epoxide resin dipping basalt fibre twill；Glue film It is 400g/m for surface density2Modified polyethylene film；Honeycomb core is that density is 144kg/m3, cell side length is 5.0mm, with a thickness of The modification Poly-p-phenylene benzobisthiazole paper of 50mm；
Wherein, modified polyethylene film, including following raw material: 80 parts of polyethylene, 40 parts of hydroxyl styrene-butadiene latex, the Black Warrior 30 parts of rock fiber, 20 parts of esterification starch, 5 parts of waterproofing agent, 1 part of crosslinking agent.
Wherein, modified Poly-p-phenylene benzobisthiazole paper is prepared by the following method gained:
(1) by 100 parts by weight polyparaphenylene benzos double oxazoles, 30 parts by weight of polypropylene resins, 25 parts by weight of carbon fibers, 20 Parts by weight esterification starch is placed in stirred autoclave, 80 DEG C, mixing speed be 300r/min under the conditions of stir 10min；
(2) being dissolved in water to be made into mass concentration by 8 parts by weight hydroxymethyl celluloses, 5 parts by weight graphene oxides is 30% 10 weight parts of fine coal ash gels are added in solution, 8 parts by weight chitosan microballs are mixed to form mixed liquor；
(3) mixed liquor in step (2) is added in step (1), continues to stir 30min, mixing speed 100r/min, 1 part by weight of boric acid ester, 1 parts by weight glycerin monostearate, 1 parts by weight diisooctyl phthalate is added to continue to stir at 80 DEG C Reaction 10min is mixed, composite mortar is obtained；
(4) by slurry obtained by step (3) carry out online manufacture paper with pulp, press dewatering, drying, obtain modified polyparaphenylene's benzene And double oxazole fibrous papers.
The preparation method of above-mentioned rail vehicle decorative floor composite material, includes the following steps:
(1) drying of honeycomb core: modified Poly-p-phenylene benzobisthiazole paper being placed in baking oven, is started to warm up, 120 DEG C dry 2 hours；
(2) laying: the primary laying in a mold by lower panel, glue film, honeycomb core, glue film, top panel empties panel and glue Air between film；
(3) vacuum bag processed: the material completed is packaged using vacuum bag film, using sealing joint strip, is pasted on one side Die edge pastes vacuum bag edge on one side；
(4) solidify: the packaged material of step (c), which is slowly vacuumized, is bonded vacuum bag completely with material, then will Pressure in autoclave rises to 0.5MPa, is warming up to 180 DEG C with the rate of 5 DEG C/min, keeps 30min；
(5) demoulding: after the completion of solidification, being down to 60 DEG C hereinafter, autoclave pressure release and take out material to temperature, through demoulding, after Processing obtains the composite material.
According to above-described embodiment, the present invention can be realized well.It is worth noting that before based on said structure design It puts, to solve same technical problem, even if that makes in the present invention is some without substantive change or polishing, is used Technical solution essence still as the present invention, therefore it should also be as within the scope of the present invention.

Claims (10)

1. a kind of rail vehicle decorative floor composite material, which is characterized in that the composite material is from bottom to top successively under Panel, glue film, honeycomb core, glue film, top panel are combined；The top panel and lower panel solidified by thermoplastic resin-impregnated fibers cloth and At；The honeycomb core is modified Poly-p-phenylene benzobisthiazole paper.
2. rail vehicle decorative floor composite material according to claim 1, it is characterised in that: the resin includes phenol Any one in urea formaldehyde, fire retarding epoxide resin, the fiber cloth is glass fiber plain cloth, glass fibre twill, carbon Fiber plain cloth, carbon fiber twill, basalt fibre plain cloth, any one in basalt fibre twill.
3. rail vehicle decorative floor composite material according to claim 1, it is characterised in that: the upper and lower panel With a thickness of 0.2-2mm.
4. rail vehicle decorative floor composite material according to claim 1, it is characterised in that: the glue film is to be modified Polyethylene film, wherein the glue film surface density is 100-400g/m2。
5. rail vehicle decorative floor composite material according to claim 4, it is characterised in that: the modified poly ethylene Film includes following raw material: 60-80 parts of polyethylene, 20-40 parts of hydroxyl styrene-butadiene latex, and 15-30 parts of basalt fibre, esterification 10-20 parts of starch, 1-5 parts of waterproofing agent, 0.1-1 parts of crosslinking agent.
6. rail vehicle decorative floor composite material according to claim 1, it is characterised in that: the modification is poly- to benzene The density for supportting the double oxazole fibrous papers of benzo is 40-144kg/m3, cell side length is 1.83-5.0mm, with a thickness of 5-50mm.
7. rail vehicle decorative floor composite material according to claim 1 or 6, it is characterised in that: the modification is poly- It include the raw material of following parts by weight: double 50-100 parts of the oxazoles of polyparaphenylene's benzo, polypropylene to the double oxazole fibrous papers of penylene benzo 20-30 parts of resin, 15-25 parts of carbon fiber, 10-20 parts of esterification starch, 5-10 parts of flyash gel, 3-8 parts of hydroxymethyl cellulose, 3-8 parts of chitosan microball, 1-5 parts of graphene oxide, 1-3 parts of plasticizer.
8. rail vehicle decorative floor composite material according to claim 7, it is characterised in that: the plasticizer is phosphorus One or more of acid esters, acetyl triethyl citrate, borate, glycerin monostearate, diisooctyl phthalate.
9. rail vehicle decorative floor composite material according to claim 7, it is characterised in that: the modification is poly- to benzene The double oxazole fibrous papers of support benzo are prepared by the following method gained:
(1) the double oxazoles of polyparaphenylene's benzo, acrylic resin, carbon fiber, esterification starch are placed in stirred autoclave by weight In, 60-80 DEG C, mixing speed be 100-300r/min under the conditions of stir 10-20min；
(2) hydroxymethyl cellulose, graphene oxide are dissolved in water and are made into the solution that mass concentration is 10-30%, flyash is added Gel, chitosan microball are mixed to form mixed liquor；
(3) mixed liquor in step (2) is added in step (1), continues to stir 10-30min, mixing speed 100-300r/ Min, by weight addition plasticizer continue to be stirred to react 10-20min at 60-80 DEG C, obtain composite mortar；
(4) by slurry obtained by step (3) carry out online manufacture paper with pulp, press dewatering, drying, it is double to obtain modified polyparaphenylene's benzo Oxazole fibrous paper.
10. a kind of preparation method of rail traffic upholstery flooring composite as described in claim 1, feature exist In: include the following steps:
(1) drying of honeycomb core: modified Poly-p-phenylene benzobisthiazole paper is placed in baking oven, is started to warm up, in 100- 120 DEG C drying 2-16 hours；
(2) laying: the primary laying in a mold by lower panel, glue film, honeycomb core, glue film, top panel, emptying panel and glue film it Between air；
(3) vacuum bag processed: being packaged the material completed using vacuum bag film, using sealing joint strip, a face pasting mould Vacuum bag edge is pasted at edge on one side；
(4) solidify: the packaged material of step (c), which is slowly vacuumized, is bonded vacuum bag completely with material, then by hot pressing Pressure in tank rises to 0.01-0.5MPa, is warming up to 80-180 DEG C with the rate of 1-5 DEG C/min, keeps 30-120min；
(5) after the completion of solidification, 60 DEG C demoulding: are down to hereinafter, autoclave pressure release and material is taken out, through demoulding, post-processing to temperature Obtain the composite material.
CN201810092905.4A 2018-01-31 2018-01-31 A kind of rail vehicle decorative floor composite material and preparation method Pending CN110091559A (en)

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Application publication date: 20190806