CN105538788A - Flame-retardant five-layer co-extrusion totally-coated inorganic board - Google Patents

Flame-retardant five-layer co-extrusion totally-coated inorganic board Download PDF

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Publication number
CN105538788A
CN105538788A CN201610089308.7A CN201610089308A CN105538788A CN 105538788 A CN105538788 A CN 105538788A CN 201610089308 A CN201610089308 A CN 201610089308A CN 105538788 A CN105538788 A CN 105538788A
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China
Prior art keywords
layer
retardant
flame
extrusion
composite
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CN201610089308.7A
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Chinese (zh)
Inventor
宋维宁
张丹芬
苏中淮
丁同稳
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Cclink Materials Inc
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Cclink Materials Inc
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Priority to CN201610089308.7A priority Critical patent/CN105538788A/en
Publication of CN105538788A publication Critical patent/CN105538788A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00Layered products having a non-planar shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/01Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/016Flame-proofing or flame-retarding additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/101Glass fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/103Metal fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/106Carbon fibres, e.g. graphite fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14Mixture of at least two fibres made of different materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • B32B2307/3065Flame resistant or retardant, fire resistant or retardant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00Buildings or parts thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Special Wing (AREA)

Abstract

The invention discloses a flame-retardant five-layer co-extrusion totally-coated inorganic board. The flame-retardant five-layer co-extrusion totally-coated inorganic board comprises a co-extrusion flame-retardant layer, an outer adhesive layer, an inorganic material layer, an inner adhesive layer, a composite material layer and multiple hollow cavities. The sections of the flame-retardant co-extrusion totally-coated inorganic board comprise the L-shaped section and the plane section which are surrounded by the composite material layer to form the hollower cavities, and the outer side of the composite material layer is fixedly bound with the inorganic material layer through the inner adhesive layer; the inorganic material layer is arranged by surrounding the composite material layer in a totally coating or a sectionally coating mode; the periphery of the inorganic material layer or the periphery of the composite material layer is fixedly bound with the co-extrusion flame-retardant layer through the outer adhesive layer. According to the flame-retardant five-layer co-extrusion totally-coated inorganic board, the co-extrusion mode is adopted, the material cost is reduced, the subsequent processing cost is reduced through one-time forming, the whole flame-retardant property of the product is high and reaches the flame retardance of A level, by means of the hollow cavity or special-shaped cavity structure, the material consumption can be reduced by 50% or above, the product weight is reduced, and the lightweight building and carrying requirements are met.

Description

The full coated inorganic sheet material of a kind of fire-retardant five-layer co-squeezing
Technical field
The present invention relates to a kind of co-extrusion inorganic plate technical equipment field, particularly the full coated inorganic sheet material of the fire-retardant five-layer co-squeezing of one.
Background technology
Along with the minimizing of the forest reserves, global wood supply quantity not sufficient, high-quality timber particularly lacks, and needs import about the half of annual timber industry wood raw material; And the propelling of urbanization and the raising of people's living standard, building trade and a large amount of structure material of furniture industry demand, a large amount of fast growing wood and alternative aptitude source, there is the deficiency that intensity is low, defect is many, poor dimensional stability, utilization rate are low, therefore, research and development board, slows down the pressure of import external high-quality timber, reduces pressure to domestic wildwood timber resources demand, significant.
Sheet material is the material that current purposes is maximum, and purposes widely, as decorative panel, clad plate, building slab etc.In packaging plate field, due to the raising of people's living standard, commodity tremendous expansion, and also its external packing plate is had higher requirement due to the change of commodity nature.Except the mechanical property of excellence comprises except intensity, toughness, elasticity etc., market demands have difference in functionality sexual demand to sheet material, as barrier, water proofing property, anti-flammability, antibiotic property etc., provide better protection as inner package.Except functional, also propose new requirement to the environmental-protecting performance of sheet material, plastic plate, due to the alternative of its structure, can be arranged in pairs or groups out and have the high performance sheet material of various difference, but plastics non-degradable, a large amount of waste and the white pollution of resource will be caused.
Deficiency of the prior art is: door or door pocket sheet material use that solid wood, Stainless Steel, gypsum line, stone material, mosaic, glass, wood composite, wood are moulded usually, acrylic etc.; By the material of so many kind, make there is certain style, when meeting the door of aesthetical standard or door pocket pattern, need repeatedly complicated processing shaping, the consumable quantity in manufacture process can be very high; The anti-flammability of door or door pocket comes into one's own gradually, the door that particularly A level is fire-retardant and door pocket, some inorganic anti-flaming materials adopted prepare corresponding door or door pocket, although can reach the A level flame-retarding characteristic of needs, the processing in later stage can increase suitable cost; Because structural member is many, cause the installation exercise of door and door pocket complicated.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the full coated inorganic sheet material of a kind of fire-retardant five-layer co-squeezing, for deficiency of the prior art, design the full coated inorganic sheet material of fire-retardant co-extrusion, from outside to inside successively by co-extrusion flame-retardant layer, outer adhesive layer, inorganic material layer, interior adhesive layer and composite layer coextrusion sheet material, manufacture door and door pocket by sheet material; Adopt the processing mode of co-extrusion, machine-shaping structure is simple, and waste of material is few, and hollow molded cavity structure effectively saves material cost; Co-extrusion one-shot forming reduces subsequent machining cost, adopts inorganic material and in macromolecular material, add certain fire retardant to do different subjects material, can improve the flame-retarding characteristic of corresponding product entirety; The one-time formed door of co-extrusion and door pocket greatly reduce the component difficulty of installment work.
For achieving the above object, technical scheme of the present invention is as follows: the full coated inorganic sheet material of a kind of fire-retardant five-layer co-squeezing, comprise co-extrusion flame-retardant layer, outer adhesive layer, inorganic material layer, interior adhesive layer, composite layer, hollow die cavity A, hollow die cavity B, hollow die cavity C, it is characterized in that:
The shape of cross section of the full coated inorganic sheet material of described fire-retardant co-extrusion is L shape section and plane section, in described L shape section and plane section by composite layer around forming multiple hollow die cavity, described hollow die cavity comprises hollow die cavity A, hollow die cavity B and hollow die cavity C; Be adhesively fixed by interior adhesive layer and inorganic material layer outside described composite layer; Described inorganic material layer to distribute around described composite layer in the mode that coated or segmentation is entirely coated, and to be arranged at described composite layer outside; The L shape section that described inorganic material layer and composite layer are formed and plane section periphery are adhesively fixed by outer adhesive layer and co-extrusion flame-retardant layer; Described hollow type cavity shape is the incorporating aspects shape of a kind of in circle, rectangle, polygon, ellipse or more than two kinds, and the position of described hollow die cavity can not affect installing and using of rear Qimen or door pocket; The quantitative range that hollow die cavity in described L shape section is arranged is 2 to 5, and the quantitative range that the hollow die cavity in described plane section is arranged is 5 to 20.。
Described co-extrusion flame-retardant layer adopts polyolefin-based composite high-molecular material and fire retardant, and preferably, described polyolefin-based composite high-molecular material is mixed by the one in polyethylene, polyvinyl chloride or two kinds; The proportion of described polyolefin-based composite high-molecular material is between 10%-30%; Described fire retardant is one in inorganic combustion inhibitor, expansion type flame retardant or two kinds of mixed high-efficient flame-retardant systems; The adding proportion scope of described fire retardant is between 50%-90%.
Described interior adhesive layer and outer adhesive layer mix for one or more have close-burning macromolecular material, and described interior adhesive layer and outer adhesive layer comprise PUR, epoxy resin, polyurethane adhesive; In the macromolecular material molecular structure of described interior adhesive layer and outer adhesive layer, there is lipophilic group and hydrophilic radical simultaneously.
Described inorganic material layer is by silicate, aluminate, borate, phosphate, germanate and magnesia, one in any one or more than two kinds in the stabilising system raw material that magnesium chloride is mixed and/or oxide, nitride, carbide, boride, sulfide, silicide, halide or more than two kinds raw materials, and the macromolecular material mixture of 5%-30% forms; Described inorganic material layer itself can not be lighted, and after burning, residual quantity scope is more than 50%-90%.
Described composite layer is the heterogeneous material that two or more the material in organic material, inorganic material, macromolecular material is prepared through combination process; Described heterogeneous material is polymer composite; Wherein polymer composite is one or more mixtures in the polyolefin-based composite material of wood plastic composite, glass dimension, carbon fiber, boron fibre, silicon carbide fibre enhancing.
Polymer composite addition scope in described composite layer is between 30%-60%, and the addition scope of the native cellulose in described polymer composite is between 10%-60%.
The technical process of described composite layer is as follows: according to certain formula system, prepare composite particles, and described composite particles adopts flat two extruder extruding pelletization, and its expressing technique temperature range is between 140 DEG C-200 DEG C.
The technical process of described co-extrusion flame-retardant layer is as follows: according to certain formula system, prepares flame-proof composite material particle, and prepare flame-proof composite material particle and adopt flat two extruder extruding pelletization, its expressing technique temperature range is between 140 DEG C-200 DEG C.
The technical process of described fire-retardant co-extrusion full coated inorganic sheet material is as follows: use co-extrusion modling mode to process, the coextrusion used is: main frame is the two extruder of cone, subsidiary engine is single screw extrusion machine, and the Process temperature ranges of coextrusion controls between 140 DEG C-200 DEG C.
The flame retardant rating of described fire-retardant co-extrusion full coated inorganic sheet material can reach the A level flame retardant rating in national building materials flame retardant rating standard; The full coated inorganic sheet material of described fire-retardant co-extrusion adopts the machine-shaping of co-extrusion processing mode, and its consumptive material reduces by more than 50%, and cost reduces by more than 50%.
Replacement scheme of the present invention is: by the one-time formed processing mode of coextrusion, can carry out the sheet material design of various structures according to actual needs, as the shape of solid construction, hollow-core construction, polymorphic structure, polygonized structure, enrich the kind of this series products; By hollow die cavity or irregular cavity structure, material usage more than 50% can be reduced.
Operation principle of the present invention is: 1, the processing mode of complete coated co-extrusion is adopted to process, combine inorganic anti-flaming material and organic fire-resisting material, during after reducing inorganic material, Qimen or door pocket manufacture, need the repeatedly cutting (inorganic fire-retarded sheet material) carried out according to difformity, bonding, the expense that compacting waits processing to produce, style and the diversification of color wood grain, built-in hollow die cavity, its consumptive material reduces by more than 50%, cost reduces by more than 50%, solving inorganic anti-flaming material self can not extrusion molding, can not disposable making special-shaped product, and high-molecular organic material is easily made as abnormity, but but do not reach the difficult problem that A level is fire-retardant, the standard that in national building materials flame retardant rating standard, A level difficulty is fired or do not fired can be reached, 2, adopt and there is certain anti-flammability or do skin by the polymer composite that formula Design obtains, fire-retardant and keep the shape of product, comprise abnormity.Internal layer utilizes the cooling effect of different inorganic combustion inhibitor, dilution effect, partition effect, press down cigarette effect etc. and expansion type flame retardant reaches efficient flame retardant effect; 3, the macromolecular material simultaneously in strand with lipophilic group and hydrophilic radical is adopted, by composite layer together with inorganic material layer bonding; Composite layer itself is the macromolecular material containing lipophilic group, and inorganic material itself is hydrophilic, and the tack coat adopted has this two kinds of characteristics simultaneously, plays the effect of coupling; 4, the composite layer macromolecular material adopted, extrudes processing through equipment, prepares and meets arbitrarily attractive in appearance and style that is demand, can be hollow and foaming, not only can improve the whole structure of product, can also reduce costs the weight with product greatly.
Pass through technique scheme, the beneficial effect of technical solution of the present invention is: design the full coated inorganic sheet material of fire-retardant co-extrusion, from outside to inside successively by co-extrusion flame-retardant layer, outer adhesive layer, inorganic material layer, interior adhesive layer and composite layer coextrusion sheet material, manufacture door and door pocket by sheet material; Adopt the processing mode of co-extrusion, machine-shaping structure is simple, and waste of material is few, and hollow molded cavity structure effectively saves material cost; Co-extrusion one-shot forming reduces subsequent machining cost, adopts inorganic material and in macromolecular material, add certain fire retardant to do multilayer material of main part, can improve the flame-retarding characteristic of corresponding product entirety; The one-time formed door of co-extrusion and door pocket greatly reduce the component difficulty of installment work; Coextrusion one-shot forming can design the sheet material of plurality of specifications and shape, is designed to hollow die cavity or irregular cavity structure can reduce material consumption more than 50%; Fundamentally avoid the adhesive that uses containing formaldehyde to the harm of environment and people, its flame retardant effect can reach the fire-retardant requirement of A level.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the fire-retardant five-layer co-squeezing of the one disclosed in the embodiment of the present invention full coated inorganic sheet material embodiment 1 cross sectional representation;
Fig. 2 is the fire-retardant five-layer co-squeezing of the one disclosed in the embodiment of the present invention full coated inorganic sheet material embodiment 2 cross sectional representation;
Fig. 3 is A place enlarged drawing in the fire-retardant five-layer co-squeezing of the one disclosed in the embodiment of the present invention full coated inorganic sheet material embodiment 1;
Fig. 4 is the fire-retardant five-layer co-squeezing of the one disclosed in the embodiment of the present invention full coated inorganic sheet material embodiment 3 cross sectional representation;
Fig. 5 is Q place enlarged drawing in the fire-retardant five-layer co-squeezing of the one disclosed in the embodiment of the present invention full coated inorganic sheet material embodiment 3.
Numeral and the corresponding component title represented by letter in figure:
1. adhesive layer in co-extrusion flame-retardant layer 2. outer adhesive layer 3. inorganic material layer 4.
5. the hollow die cavity C of composite layer 6. hollow die cavity A7. hollow die cavity B8.
Detailed description of the invention
Below in conjunction with embodiment of the present invention accompanying drawing, be described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the invention provides the full coated inorganic sheet material of a kind of fire-retardant five-layer co-squeezing, comprise co-extrusion flame-retardant layer 1, outer adhesive layer 2, inorganic material layer 3, interior adhesive layer 4, composite layer 5, hollow die cavity A6, hollow die cavity B7, hollow die cavity C8
The shape of cross section of the full coated inorganic sheet material of described fire-retardant co-extrusion is L shape section and plane section, in described L shape section and plane section by composite layer 5 around forming multiple hollow die cavity, described hollow die cavity comprises hollow die cavity A6, hollow die cavity B7 and hollow die cavity C8; Be adhesively fixed with inorganic material layer 3 by interior adhesive layer 4 outside described composite layer 5; Described inorganic material layer 3 to distribute around described composite layer 5 in the mode that coated or segmentation is entirely coated, and to be arranged at described composite layer 5 outside; The L shape section that described inorganic material layer 3 and composite layer 5 are formed and plane section periphery are adhesively fixed with co-extrusion flame-retardant layer 1 by outer adhesive layer 2; Described hollow type cavity shape is the incorporating aspects shape of a kind of in circle, rectangle, polygon, ellipse or more than two kinds, and the position of described hollow die cavity can not affect installing and using of rear Qimen or door pocket; The quantitative range that hollow die cavity in described L shape section is arranged is 2 to 5, and the quantitative range that the hollow die cavity in plane section is arranged is 5 to 20, depends on the width of plate.
Described co-extrusion flame-retardant layer 1 adopts polyolefin-based composite high-molecular material and fire retardant, and preferably, described polyolefin-based composite high-molecular material is mixed by the one in polyethylene, polyvinyl chloride or two kinds; The proportion of described polyolefin-based composite high-molecular material is between 10%-30%; Described fire retardant is one in inorganic combustion inhibitor, expansion type flame retardant or two kinds of mixed high-efficient flame-retardant systems; The adding proportion scope of described fire retardant is between 50%-90%.
Described interior adhesive layer 4 and outer adhesive layer 2 mix for one or more have close-burning macromolecular material, and described interior adhesive layer 4 and outer adhesive layer 2 comprise PUR, epoxy resin, polyurethane adhesive; In the macromolecular material molecular structure of described interior adhesive layer 4 and outer adhesive layer 2, there is lipophilic group and hydrophilic radical simultaneously.
Described inorganic material layer 3 is by silicate, aluminate, borate, phosphate, germanate and magnesia, one in any one or more than two kinds in the stabilising system raw material that magnesium chloride is mixed and/or oxide, nitride, carbide, boride, sulfide, silicide, halide or more than two kinds raw materials, and the macromolecular material mixture of 5%-30% forms; Described inorganic material layer 3 itself can not be lighted, and after burning, residual quantity scope is more than 50%-90%.
Described composite layer 5 is the heterogeneous material that two or more the material in organic material, inorganic material, macromolecular material is prepared through combination process; Described heterogeneous material is polymer composite; Wherein polymer composite is one or more mixtures in the polyolefin-based composite material of wood plastic composite, glass dimension, carbon fiber, boron fibre, silicon carbide fibre enhancing.
Polymer composite addition scope in described composite layer 5 is between 30%-60%, and the addition scope of the native cellulose in described polymer composite is between 10%-60%.
The technical process of described composite layer 5 is as follows: according to certain formula system, prepare composite particles, and described composite particles adopts flat two extruder extruding pelletization, and its expressing technique temperature range is between 140 DEG C-200 DEG C.
The technical process of described co-extrusion flame-retardant layer 1 is as follows: use co-extrusion modling mode to process, the coextrusion used is: inorganic material layer and composite layer main frame are two conical double screw extruders, co-extrusion flame-retardant layer, interior adhesive layer and outer adhesive layer adopt two single screw extrusion machines, and the Process temperature ranges of coextrusion controls between 140 DEG C-200 DEG C.
The flame retardant rating of described fire-retardant co-extrusion full coated inorganic sheet material can reach the A level flame retardant rating in national building materials flame retardant rating standard; The full coated inorganic sheet material of described fire-retardant co-extrusion adopts the machine-shaping of co-extrusion processing mode, and its consumptive material reduces by more than 50%, and cost reduces by more than 50%, and weight reduces by more than 30%.
Specific embodiment of the invention operating procedure is: 1, adopt the processing mode of complete coated co-extrusion to process, reduce in rear Qimen or door pocket manufacture, need the expense of repeatedly processing generation of carrying out according to difformity, style, color and texture diversification, built-in hollow die cavity, its consumptive material reduces by more than 50%, and cost reduces by more than 50%; 2, adopt the inorganic material with certain anti-flammability and by the flame-retardant high-molecular composite that formula Design obtains, the difficult standard of firing or not firing in national building materials flame retardant rating standard can be reached; Utilize the cooling effect of different inorganic combustion inhibitor, dilution effect, partition effect, press down cigarette effect etc. and expansion type flame retardant reaches efficient flame retardant effect; 3, the macromolecular material simultaneously in strand with lipophilic group and hydrophilic radical is adopted, together with being bondd with inorganic material layer 3 by composite layer 5; Composite layer 5 itself is the macromolecular material containing lipophilic group, and inorganic material 3 itself is hydrophilic, and the tack coat adopted has this two kinds of characteristics simultaneously, plays bridge beam action; 4, composite layer 5 macromolecular material adopted, extrudes processing through equipment, prepares and meets arbitrarily attractive in appearance and style that is demand, not only can improve the whole structure of product, can also reduce costs greatly.
By above-mentioned specific embodiment, the invention has the beneficial effects as follows: design the full coated inorganic sheet material of fire-retardant co-extrusion, from outside to inside successively by co-extrusion flame-retardant layer, outer adhesive layer, inorganic material layer, interior adhesive layer and composite layer coextrusion sheet material, manufacture door and door pocket by sheet material; Adopt the processing mode of co-extrusion, machine-shaping structure is simple, and waste of material is few, and saving material cost effectively falls in hollow molded cavity structure; Co-extrusion one-shot forming reduces subsequent machining cost, adopts inorganic material or in macromolecular material, add certain fire retardant to do material of main part, can improve the flame-retarding characteristic of corresponding product entirety; The one-time formed door of co-extrusion and door pocket greatly reduce the component difficulty of installment work; Coextrusion one-shot forming can design the sheet material of plurality of specifications and shape, is designed to hollow die cavity or irregular cavity structure can reduce material consumption more than 50%; Fundamentally avoid the adhesive that uses containing formaldehyde to the harm of environment and people, its flame retardant effect can reach the fire-retardant requirement of A level.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent to the multiple amendment of these embodiments concerning those skilled in the art, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (9)

1. the full coated inorganic sheet material of fire-retardant five-layer co-squeezing, is characterized in that, once extrude all layer materials, comprises co-extrusion flame-retardant layer, outer adhesive layer, inorganic material layer, interior adhesive layer, composite layer, hollow die cavity A, hollow die cavity B, hollow die cavity C; The shape of cross section of the full coated inorganic sheet material of described fire-retardant co-extrusion is L shape section and plane section, L shape section and plate shaped section can be door pocket and door-plate, in described L shape section and plane section by composite layer around forming multiple hollow die cavity, described hollow die cavity comprises hollow die cavity A, hollow die cavity B and hollow die cavity C; Be adhesively fixed by interior adhesive layer and inorganic material layer outside described composite layer; Described inorganic material layer to distribute around described composite layer in the mode that coated or segmentation is entirely coated, and to be arranged at described composite layer outside; The L shape section that described inorganic material layer and composite layer are formed and plane section periphery are adhesively fixed by outer adhesive layer and co-extrusion flame-retardant layer; Described hollow type cavity shape is the incorporating aspects shape of a kind of in circle, rectangle, polygon, ellipse or more than two kinds; The quantitative range that hollow die cavity in described L shape section and plane section is arranged is 2 to 5, and the quantitative range that the hollow die cavity in described plate shaped section is arranged is 5 to 20.
2. the full coated inorganic sheet material of the fire-retardant five-layer co-squeezing of one according to claim 1, it is characterized in that, described co-extrusion flame-retardant layer adopts polyolefin-based composite high-molecular material and fire retardant, preferably, described polyolefin-based composite high-molecular material is mixed by the one in polyethylene, polyvinyl chloride or two kinds; The proportion of described polyolefin-based composite high-molecular material is between 10%-30%; Described fire retardant is one in inorganic combustion inhibitor, expansion type flame retardant or two kinds of mixed high-efficient flame-retardant systems; The adding proportion scope of described fire retardant is between 50%-90%.
3. the full coated inorganic sheet material of the fire-retardant five-layer co-squeezing of one according to claim 1, it is characterized in that, described interior adhesive layer and outer adhesive layer mix for one or more have close-burning macromolecular material, and described interior adhesive layer and outer adhesive layer comprise PUR, epoxy resin, polyurethane adhesive; In the macromolecular material molecular structure of described interior adhesive layer and outer adhesive layer, there is lipophilic group and hydrophilic radical simultaneously.
4. the full coated inorganic sheet material of the fire-retardant five-layer co-squeezing of one according to claim 1, it is characterized in that, described inorganic material layer is by silicate, aluminate, borate, phosphate, germanate and magnesia, one in any one or more than two kinds in the stabilising system raw material that magnesium chloride is mixed and/or oxide, nitride, carbide, boride, sulfide, silicide, halide or more than two kinds raw materials, and the macromolecular material mixture of 5%-30% forms; Described inorganic material layer itself can not be lighted, and after burning, residual quantity scope is more than 50%-90%.
5. the full coated inorganic sheet material of the fire-retardant five-layer co-squeezing of one according to claim 1, it is characterized in that, described composite layer is the heterogeneous material that two or more the material in organic material, inorganic material, macromolecular material is prepared through combination process; Described heterogeneous material is polymer composite; Wherein polymer composite is one or more mixtures in the polyolefin-based composite material of wood plastic composite, glass dimension, carbon fiber, boron fibre, silicon carbide fibre enhancing.
6. the full coated inorganic sheet material of the fire-retardant five-layer co-squeezing of one according to claim 1, it is characterized in that, polymer composite addition scope in described composite layer is between 30%-60%, and the addition scope of the native cellulose in described polymer composite is between 10%-60%.
7. the full coated inorganic sheet material of the fire-retardant five-layer co-squeezing of one according to claim 1, it is characterized in that, the technical process of described composite layer is as follows: according to certain formula system, prepare composite particles, described composite particles adopts flat two extruder extruding pelletization, and its expressing technique temperature range is between 140 DEG C-200 DEG C.
8. the full coated inorganic sheet material of the fire-retardant five-layer co-squeezing of one according to claim 1, it is characterized in that, the technical process of described co-extrusion flame-retardant layer is as follows: according to certain formula system, prepare flame-proof composite material particle, prepare flame-proof composite material particle and adopt flat two extruder extruding pelletization, its expressing technique temperature range is between 140 DEG C-200 DEG C.
9. the full coated inorganic sheet material of the fire-retardant five-layer co-squeezing of one according to claim 1, it is characterized in that, the technical process of described fire-retardant co-extrusion full coated inorganic sheet material is as follows: use five-layer co-squeezing to go out molding mode and process, the coextrusion used is: inorganic material layer and composite layer main frame are two conical double screw extruders, co-extrusion flame-retardant layer, interior adhesive layer and outer adhesive layer adopt two single screw extrusion machines, and the Process temperature ranges of coextrusion controls between 140 DEG C-200 DEG C.
CN201610089308.7A 2016-02-17 2016-02-17 Flame-retardant five-layer co-extrusion totally-coated inorganic board Pending CN105538788A (en)

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