CN110962401A - Preparation method of flame-retardant honeycomb section bar - Google Patents

Preparation method of flame-retardant honeycomb section bar Download PDF

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Publication number
CN110962401A
CN110962401A CN201911071780.8A CN201911071780A CN110962401A CN 110962401 A CN110962401 A CN 110962401A CN 201911071780 A CN201911071780 A CN 201911071780A CN 110962401 A CN110962401 A CN 110962401A
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CN
China
Prior art keywords
flame
retardant
honeycomb
fiber sheet
base film
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Pending
Application number
CN201911071780.8A
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Chinese (zh)
Inventor
丁友张
朱拥军
张佳佳
邱红冰
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Jiangsu Jirun Housing Technology Co ltd
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Jiangsu Jirun Housing Technology Co ltd
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Priority to CN201911071780.8A priority Critical patent/CN110962401A/en
Publication of CN110962401A publication Critical patent/CN110962401A/en
Pending legal-status Critical Current

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    • 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
    • B32B3/00—Layered 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
    • B32B3/10—Layered 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 discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered 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 discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/10—Removing layers, or parts of layers, mechanically or chemically
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • 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
    • B32B7/00—Layered 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
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/04—Inorganic
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2607/00—Walls, panels

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a preparation method of a flame-retardant honeycomb section, which comprises the following steps: paving a base film; spraying a flame retardant or/and an adhesive to form a flame-retardant fiber sheet before or after laying a fiber felt on a base film; and attaching the flame-retardant fiber sheet to one surface or two opposite surfaces of the honeycomb, and then performing hot-press compounding to obtain the flame-retardant honeycomb sectional material. According to the invention, the fire retardant is added in the forming process of the fiber sheet to improve the fireproof and heat-insulating properties of the adhesive layer, so that the flame retardant property and the high temperature resistance of the whole honeycomb section are effectively improved, the honeycomb section is not completely combusted when fire occurs, and the danger coefficient is reduced.

Description

Preparation method of flame-retardant honeycomb section bar
Technical Field
The invention relates to the technical field of building decoration materials, in particular to a preparation method of a flame-retardant honeycomb section.
Background
The honeycomb composite board is a new decorative material, taking an aluminum honeycomb composite board as an example, the aluminum honeycomb is usually taken as a core, glass fiber layers are adhered to two surfaces of the aluminum honeycomb, and a ceramic tile is adhered to the surface of the aluminum honeycomb composite board. But the existing honeycomb panel structure is simpler, and the flame-retardant heat-insulating property is not enough, and especially when being used as a kitchen wallboard, the flame-retardant effect is not ideal enough, and once a fire occurs, certain potential safety hazard exists, and the performance needs to be further improved.
Disclosure of Invention
In view of the above, there is a need to provide an improved method for preparing a flame-retardant honeycomb profile, which improves the flame-retardant performance of the flame-retardant honeycomb profile.
The technical scheme provided by the invention is as follows: a preparation method of a flame-retardant honeycomb profile comprises the following steps:
paving a base film;
spraying a flame retardant or/and an adhesive to form a flame-retardant fiber sheet before or after laying a fiber felt on a base film;
and attaching the flame-retardant fiber sheet to one surface or two opposite surfaces of the honeycomb, and then performing hot-press compounding to obtain the flame-retardant honeycomb sectional material.
Further, the step of spraying the flame retardant or/and the adhesive before or after the fiber mat is laid on the base film to form the flame-retardant fiber sheet comprises the steps of spraying the flame retardant on the base film to form a flame-retardant layer, laying the fiber mat on the flame-retardant layer, and spraying the adhesive on the surface of the fiber mat to form the adhesive layer, so that the flame-retardant fiber sheet is obtained.
Further, the step of spraying the flame retardant or/and the adhesive before or after the fiber mat is laid on the base film to form the flame-retardant fiber sheet comprises the steps of firstly laying the fiber mat on the base film, and then spraying the adhesive and the flame retardant on the surface of the fiber mat in sequence to form an adhesive layer and a flame-retardant layer, so as to obtain the flame-retardant fiber sheet.
Further, the step of spraying the flame retardant or/and the adhesive before or after the fiber mat is laid on the base film to form the flame-retardant fiber sheet comprises the steps of spraying the flame retardant on the base film to form a flame-retardant layer, laying the fiber mat on the flame-retardant layer, and spraying the adhesive and the flame retardant on the surface of the fiber mat in sequence to form the adhesive layer and the flame-retardant layer to obtain the flame-retardant fiber sheet.
Further, the adhesive comprises polyurethane resin or unsaturated resin or phenolic resin.
Further, the base film includes kraft paper, a polyethylene film, a nylon film, a polyester film or a polypropylene film.
Further, the step of spraying the flame retardant or/and the adhesive before or after the fiber felt is laid on the base film to form the flame-retardant fiber sheet further comprises an anticorrosive layer.
Further, the step of attaching the flame-retardant fiber sheet to one side or two opposite sides of the honeycomb, and then performing hot-press compounding to obtain the flame-retardant honeycomb profile comprises:
laying the surface, which does not contain the base film, of the flame-retardant fiber sheet material in a manner of being attached to a panel, and then removing the base film;
attaching one side of the honeycomb to the other side of the flame-retardant fiber sheet from which the base film is removed;
attaching one surface of the other flame-retardant fiber sheet without the base film to the other surface of the honeycomb, which is opposite to the flame-retardant fiber sheet;
and (5) carrying out hot-pressing compounding to obtain the flame-retardant aluminum honeycomb plate.
Further, at least one composite layer is arranged between the honeycomb and the flame-retardant fiber sheet; the composite layer comprises one or more of an anticorrosive coating, a reinforcing layer and a fireproof layer; the panel comprises one of a ceramic tile, an aluminum plate, a stone material, a wood plate or a resin plate.
Further, the step of attaching the flame-retardant fiber sheet to one side or two opposite sides of the honeycomb and then performing hot-press compounding to obtain the flame-retardant honeycomb section is characterized in that the honeycomb comprises one of a paper honeycomb, an aluminum honeycomb and a polypropylene honeycomb or a modified structure of the paper honeycomb, the aluminum honeycomb and the polypropylene honeycomb. Their modified structure is such as that the end face and/or inner wall of the aluminium honeycomb is adsorbed with fire retardant granules to form fire-retardant aluminium honeycomb.
Compared with the prior art, the fire retardant is added in the forming process of the fiber sheet to improve the fireproof and heat-insulating performance of the adhesive layer, effectively improve the flame retardant performance and the high temperature resistance of the whole honeycomb section, ensure that the honeycomb section is not completely combusted when fire occurs, and reduce the danger coefficient.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a flow chart of a process for preparing a flame-retardant honeycomb profile according to an embodiment of the present invention.
Description of reference numerals:
none.
The following detailed description further illustrates embodiments of the invention in conjunction with the above-described figures.
Detailed Description
So that the manner in which the above recited objects, features and advantages of embodiments of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments of the invention, and the described embodiments are merely a subset of embodiments of the invention, rather than a complete embodiment. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the embodiments of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the present invention belong. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention.
Referring to fig. 1, the present invention provides a method for preparing a flame retardant honeycomb profile, comprising the following steps:
step S1: and (6) paving the base film.
In particular embodiments, the base film comprises kraft paper, polyethylene film, nylon film, polyester film, or polypropylene film.
Step S2: and spraying a flame retardant or/and a bonding agent to form the flame-retardant fiber sheet before or after laying the fiber felt on the base film.
In the first embodiment of this step, a flame retardant is sprayed on the base film to form a flame retardant layer, then a fiber mat is laid on the flame retardant layer, and then an adhesive is sprayed on the surface of the fiber mat to form an adhesive layer, so as to obtain the flame retardant fiber sheet.
In the second embodiment of this step, a fiber mat is firstly laid on the base film, and then an adhesive and a flame retardant are sequentially sprayed on the surface of the fiber mat to form an adhesive layer and a flame retardant layer, so as to obtain the flame retardant fiber sheet.
In the third embodiment of this step, a flame retardant is sprayed on the base film to form a flame retardant layer, then a fiber mat is laid on the flame retardant layer, and then an adhesive and a flame retardant are sprayed on the surface of the fiber mat in sequence to form an adhesive layer and a flame retardant layer, so as to obtain the flame retardant fiber sheet.
In other embodiments of this step, the method may further include spraying a preservative to form the corrosion-resistant layer. For example, firstly, spraying a flame retardant and a preservative on a base film in sequence to form a flame retardant layer and an anticorrosive layer, then laying a fiber felt on the anticorrosive layer, and spraying a binder on the surface of the fiber felt to form a binder layer, thereby obtaining a flame-retardant fiber sheet; for example, firstly paving a fiber felt on a base film, and then spraying an adhesive, a preservative and a flame retardant on the surface of the fiber felt in sequence to form an adhesive layer, an anticorrosive layer and a flame retardant layer to obtain a flame-retardant fiber sheet; for another example, the base film is sequentially sprayed with the preservative and the flame retardant to form the anticorrosive layer and the flame retardant layer, then the fiber felt is laid on the flame retardant layer, and then the surface of the fiber felt is sequentially sprayed with the adhesive, the preservative and the flame retardant to form the adhesive layer, the anticorrosive layer and the flame retardant layer, so as to obtain the flame retardant fiber sheet. In other embodiments, the positional relationship among the fiber mat, the adhesive layer, the corrosion-resistant layer, and the flame-retardant layer is not limited to the above embodiments, and each structural layer may be designed to be a plurality of layers according to actual requirements, and may be stacked or arranged in a laminated manner with other structural layers, which is not described herein again.
Step S3: and attaching the flame-retardant fiber sheet to one surface or two opposite surfaces of the honeycomb, and then performing hot-press compounding to obtain the flame-retardant honeycomb sectional material.
The first embodiment of this step specifically includes:
step S31: laying the surface, which does not contain the base film, of the flame-retardant fiber sheet material in a manner of being attached to a panel, and then removing the base film; wherein the panel comprises one of a ceramic tile, an aluminum plate, a stone material, a wood plate or a resin plate, preferably a ceramic tile.
Step S33: attaching one side of the honeycomb to the other side of the flame-retardant fiber sheet from which the base film is removed; the honeycomb comprises one of paper honeycomb, aluminum honeycomb and polypropylene honeycomb or a modified structure of the paper honeycomb, the aluminum honeycomb is preferred;
step S35: attaching one surface of the other flame-retardant fiber sheet without the base film to the other surface of the honeycomb, which is opposite to the flame-retardant fiber sheet;
step S37: and (5) carrying out hot-pressing compounding to obtain the flame-retardant honeycomb section.
The second embodiment of this step specifically includes:
step S31: laying the surface, which does not contain the base film, of the flame-retardant fiber sheet material in a manner of being attached to a panel, and then removing the base film; wherein the panel comprises one of a ceramic tile, an aluminum plate, a stone material, a wood plate, or a resin plate.
Step S33: attaching one side of the honeycomb to the other side of the flame-retardant fiber sheet from which the base film is removed; the honeycomb comprises one of paper honeycomb, aluminum honeycomb and polypropylene honeycomb or a modified structure of the paper honeycomb, the aluminum honeycomb is preferred;
step S351: attaching one surface of the composite layer to the other surface of the honeycomb, which is opposite to the flame-retardant fiber sheet; wherein the composite layer comprises one or more of an anti-corrosion coating, a reinforcing layer and a fireproof layer.
Step S352: the other side of the composite layer, which is far away from the honeycomb, is attached to one side of the other fiber sheet, which does not contain the base film; wherein the composite layer comprises one or more of an anti-corrosion coating, a reinforcing layer and a fireproof layer.
Step S37: and (5) carrying out hot-pressing compounding to obtain the flame-retardant honeycomb section.
The third embodiment of this step specifically includes:
step S31: laying the surface, which does not contain the base film, of the flame-retardant fiber sheet material in a manner of being attached to a panel, and then removing the base film; wherein the panel comprises one of a ceramic tile, an aluminum plate, a stone material, a wood plate, or a resin plate.
Step S331: attaching one surface of the composite layer to the other surface of the flame-retardant fiber sheet from which the base film is removed;
step S332: the other side of the composite layer is attached to one side of the honeycomb with glue; the honeycomb comprises one of paper honeycomb, aluminum honeycomb and polypropylene honeycomb or a modified structure of the paper honeycomb, the aluminum honeycomb is preferred;
step S35: attaching one surface of another flame-retardant fiber sheet without a base film to the other surface of the honeycomb, which is opposite to the fiber sheet;
step S37: and (5) carrying out hot-pressing compounding to obtain the flame-retardant aluminum honeycomb plate.
The fourth embodiment of this step means that the honeycomb may be a flame-retardant honeycomb formed by adsorbing flame retardant particles on the end face and/or inner wall of the honeycomb, wherein the honeycomb includes one of a paper honeycomb, an aluminum honeycomb, and a polypropylene honeycomb, and preferably an aluminum honeycomb. The first embodiment of this step may be to make the flame retardant particles into aerogel, and directly adsorb the end faces and/or inner walls of the aluminum honeycomb after spraying. The second embodiment of this step may also be to spray the aerosol adhesive on the end face and/or inner wall of the aluminum honeycomb in advance, and then uniformly apply the flame retardant particles to the end face and/or inner wall of the aluminum honeycomb. In the third embodiment of this step, the flame retardant particles and the binder can be made into a coating, and the coating is coated or sprayed on the end face and/or the inner wall of the aluminum honeycomb. Other embodiments of this step may be a combination of the first and second embodiments, a combination of the second and third embodiments, a combination of the first and third embodiments, or a combination of the first, second, and third embodiments.
In other embodiments of step S3, it may be a composite layer of a multi-layer structure, such as by repeating step S351 and step S352; or the steps S331 and S332 are repeated; the multi-layered composite layer may also be distributed on both sides of the flame-retardant aluminum honeycomb, including steps S331 and S332, and steps S351, S352, and combinations thereof.
The following specifically exemplifies the preparation process of the flame-retardant aluminum honeycomb panel of the present invention.
Example 1
Firstly, spreading kraft paper;
secondly, laying a glass fiber felt on kraft paper, and sequentially and uniformly spraying polyurethane resin and the nano aerogel silicon dioxide inorganic flame retardant on the glass fiber felt to form a flame-retardant fiber sheet.
Then, one surface of the flame-retardant fiber sheet, which does not contain the kraft paper, is attached to a ceramic tile for laying, and then the kraft paper on the other surface of the flame-retardant fiber sheet is removed; attaching one side of an aluminum honeycomb to the other side of the flame-retardant fiber sheet from which kraft paper is removed; the other side of the aluminum honeycomb facing away from the fiber sheet was attached to the side of the other fiber sheet not containing kraft paper.
And finally, carrying out hot-pressing compounding to obtain the flame-retardant aluminum honeycomb section. The product is detected to be in accordance with UL 94; 2010, 20 mmVERTICALBERNNGTEST standard V-0 grade flame retardant properties; the halogen content of the combustion products and the smoke generated during the combustion meets the requirements of European standard BSEN14582: 2007.
Example 2
Firstly, spreading kraft paper;
secondly, brushing a fireproof adhesive prepared from sodium silicate and polyurethane resin on kraft paper, laying a glass fiber felt, and uniformly spraying the polyurethane resin and the fireproof adhesive on the glass fiber felt to form a flame-retardant fiber sheet; and repeatedly preparing the flame-retardant fiber sheet with one surface covered with the polyethylene film. Meanwhile, a fireproof adhesive prepared from sodium silicate and polyurethane resin is brushed on two end faces of the aluminum honeycomb to form a flame-retardant aluminum honeycomb;
then, one surface of the flame-retardant fiber sheet, which does not contain the polyethylene film, is attached to a ceramic tile for laying, and then the polyethylene film on the other surface of the flame-retardant fiber sheet is removed; attaching a water-based flame-retardant mildew-proof agent film to the other side of the flame-retardant fiber sheet material without the polyethylene film, and continuously attaching polyurethane resin to one side of the flame-retardant aluminum honeycomb on the other side of the water-based flame-retardant mildew-proof agent film; attaching one surface of another flame-retardant fiber sheet, which does not contain kraft paper, to the other surface of the flame-retardant aluminum honeycomb, which is opposite to the water-based flame-retardant mildew inhibitor film; wherein the components of the water-based flame-retardant mildew-proof agent film comprise borate, ammonium salt and the like, such as 5-6 wt% of sodium tetraborate and 4-5 wt% of ammonium sulfate, and the balance of water.
And finally, carrying out hot-pressing compounding to obtain the flame-retardant aluminum honeycomb panel. The product is detected to be in accordance with UL 94; 2010, 20 mmVERTICALBERNNGTEST standard V-0 grade flame retardant properties; the halogen content of the combustion products and the smoke generated during the combustion meets the requirements of European standard BSEN14582: 2007.
Example 3
Firstly, spreading kraft paper;
then, laying a glass fiber felt on kraft paper, and uniformly spraying unsaturated resin, a composite flame retardant and a water-based flame-retardant mildew inhibitor on the glass fiber felt to form a flame-retardant fiber sheet. The composite flame retardant comprises a halogen-free flame retardant, and specifically can be a phosphorus flame retardant, a nitrogen flame retardant, an intumescent flame retardant and the like. Such as a composite flame retardant compounded by nano-scale magnesium hydroxide or aluminum hydroxide and antimony trioxide.
Secondly, spraying atomized silica gel on two end faces and the inner wall of the polypropylene honeycomb, and uniformly spraying particles to form the flame-retardant polypropylene honeycomb;
then, adhering marble to one surface of the flame-retardant fiber sheet without kraft paper for laying, and then removing the kraft paper on the other surface of the flame-retardant fiber sheet; attaching one surface of a flame-retardant polypropylene honeycomb to the other surface of the flame-retardant fiber sheet from which kraft paper is removed; adhering a glass fiber cloth to the other surface of the flame-retardant polypropylene honeycomb, which is opposite to the flame-retardant fiber sheet, adhering one surface of the other glass fiber cloth to the surface of the fiber cloth by adopting unsaturated resin, and adhering one surface of the other glass fiber cloth to the surface of the other fiber sheet, which does not contain kraft paper, by adopting the unsaturated resin. The other fiber sheet is a traditional fiber sheet without a flame retardant component, because when the fiber sheet is used as an indoor wallboard, the first flame retardant is the side facing the indoor, and the flame retardant requirement of the back side is slightly lower, so that the use requirement can be met.
And finally, carrying out hot-pressing compounding to obtain the flame-retardant honeycomb sectional material. The product is detected to be in accordance with UL 94; 2010, 20 mmVERTICALBERNNGTEST standard V-0 grade flame retardant properties; the halogen content of the combustion products and the smoke generated during the combustion meets the requirements of European standard BSEN14582: 2007.
Example 4
On the basis of the embodiment 3, two layers of glass fiber cloth are respectively arranged at two sides of the flame-retardant honeycomb, and the unsaturated resin is adhered to the fiber sheet and the flame-retardant honeycomb, wherein the honeycomb is a flame-retardant aluminum honeycomb, one side of the adhered marble is a flame-retardant fiber sheet, and the other side of the adhered marble is still a common fiber sheet. The product is detected to be in accordance with UL 94; 2010, 20 mmVERTICALBERNNGTEST standard V-0 grade flame retardant properties; the halogen content of the combustion products and the smoke generated during the combustion meets the requirements of European standard BSEN14582: 2007.
Comparative example 1
The procedure was substantially the same as in example 1 except that no treatment was applied to the aluminum honeycomb and the fiber sheet did not contain a flame retardant layer. The product is detected to be in accordance with UL 94; 2010, 20 mmVERTICALBERRNGTEST standard V-1 grade flame retardant properties; the halogen content of the combustion products and the smoke generated during the combustion meets the requirements of European standard BSEN14582: 2007.
Comparative example 2
The procedure was essentially the same as in example 2 except that no treatment was applied to the aluminum honeycomb and the fiber sheet did not contain a flame retardant layer. The product is detected to be in accordance with UL 94; 2010, 20 mmVERTICALBERRNGTEST standard V-1 grade flame retardant properties; the halogen content of the combustion products and the smoke generated during the combustion meets the requirements of European standard BSEN14582: 2007.
In conclusion, the original honeycomb section is improved, the flame retardant property of the existing product is effectively improved, the forming process is simple, and the honeycomb section is suitable for large-scale production.
Although the embodiments of the present invention have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the embodiments of the present invention.

Claims (10)

1. The preparation method of the flame-retardant honeycomb profile is characterized by comprising the following steps of:
paving a base film;
spraying a flame retardant or/and an adhesive to form a flame-retardant fiber sheet before or after laying a fiber felt on a base film;
and attaching the flame-retardant fiber sheet to one surface or two opposite surfaces of the honeycomb, and then performing hot-press compounding to obtain the flame-retardant honeycomb sectional material.
2. The method for preparing the flame-retardant honeycomb profile according to claim 1, wherein the method comprises the following steps: the step of spraying the flame retardant or/and the adhesive to form the flame-retardant fiber sheet before or after the fiber felt is laid on the base film comprises the steps of spraying the flame retardant on the base film to form a flame-retardant layer, then laying the fiber felt on the flame-retardant layer, and spraying the adhesive on the surface of the fiber felt to form the adhesive layer, so that the flame-retardant fiber sheet is obtained.
3. The method for preparing the flame-retardant honeycomb profile according to claim 1, wherein the method comprises the following steps: the step of spraying the flame retardant or/and the adhesive before or after the fiber felt is laid on the base film to form the flame-retardant fiber sheet comprises the steps of firstly laying the fiber felt on the base film, and then spraying the adhesive and the flame retardant on the surface of the fiber felt in sequence to form an adhesive layer and a flame-retardant layer to obtain the flame-retardant fiber sheet.
4. The method for preparing the flame-retardant honeycomb profile according to claim 1, wherein the method comprises the following steps: the step of spraying the flame retardant or/and the adhesive before or after the fiber felt is laid on the base film to form the flame-retardant fiber sheet comprises the steps of spraying the flame retardant on the base film to form a flame-retardant layer, then laying the fiber felt on the flame-retardant layer, and spraying the adhesive and the flame retardant on the surface of the fiber felt in sequence to form the adhesive layer and the flame-retardant layer to obtain the flame-retardant fiber sheet.
5. The method for preparing the flame-retardant honeycomb profile according to claim 1, wherein the method comprises the following steps: the adhesive comprises polyurethane resin or unsaturated resin or phenolic resin.
6. The method for preparing the flame-retardant honeycomb profile according to claim 1, wherein the method comprises the following steps: the base film comprises kraft paper, a polyethylene film, a nylon film, a polyester film or a polypropylene film.
7. The method for preparing the flame-retardant honeycomb profile according to claim 1, wherein the method comprises the following steps: the step of spraying the flame retardant or/and the adhesive to form the flame-retardant fiber sheet before or after the fiber felt is laid on the base film further comprises an anticorrosive layer.
8. The method for preparing the flame-retardant honeycomb profile according to claim 1, wherein the step of attaching the flame-retardant fiber sheet to one side or both of the opposite sides of the honeycomb and then performing hot press compounding to obtain the flame-retardant honeycomb profile comprises:
laying the surface, which does not contain the base film, of the flame-retardant fiber sheet material in a manner of being attached to a panel, and then removing the base film;
attaching one side of the honeycomb to the other side of the flame-retardant fiber sheet from which the base film is removed;
attaching one surface of the other flame-retardant fiber sheet without the base film to the other surface of the honeycomb, which is opposite to the flame-retardant fiber sheet;
and (5) carrying out hot-pressing compounding to obtain the flame-retardant aluminum honeycomb plate.
9. The method for preparing the flame-retardant honeycomb profile according to claim 1, wherein the method comprises the following steps: at least one composite layer is arranged between the honeycomb and the flame-retardant fiber sheet; the composite layer comprises one or more of an anticorrosive coating, a reinforcing layer and a fireproof layer; the panel comprises one of a ceramic tile, an aluminum plate, a stone material, a wood plate or a resin plate.
10. The method for preparing the flame-retardant honeycomb profile according to claim 1, wherein the method comprises the following steps: the method comprises the steps of attaching the flame-retardant fiber sheet to one side or two opposite sides of a honeycomb, and then performing hot-press compounding to obtain the flame-retardant honeycomb section, wherein the honeycomb comprises one of a paper honeycomb, an aluminum honeycomb and a polypropylene honeycomb or a modified structure of the paper honeycomb, the aluminum honeycomb and the polypropylene honeycomb.
CN201911071780.8A 2019-11-05 2019-11-05 Preparation method of flame-retardant honeycomb section bar Pending CN110962401A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103736624A (en) * 2014-01-13 2014-04-23 苏州芳磊蜂窝复合材料有限公司 Impregnation and gluing equipment for honeycomb and honeycomb preparation process with same
CN103979098A (en) * 2014-05-22 2014-08-13 航天材料及工艺研究所 Flame-retardant composite material floor board as well as preparation method thereof
CN205255603U (en) * 2015-10-31 2016-05-25 青岛石强蜂窝板材有限公司 There is not steamed fire -retardant polypropylene plastics honeycomb panel
CN109823021A (en) * 2019-03-29 2019-05-31 江苏骏源新材料有限公司 Flame-proof abrasion-resistant decorative panel, composite plate and preparation method thereof
CN109849479A (en) * 2019-01-29 2019-06-07 连云港市工业投资集团有限公司 A kind of honeycomb type carbon fibre composite trim panel and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103736624A (en) * 2014-01-13 2014-04-23 苏州芳磊蜂窝复合材料有限公司 Impregnation and gluing equipment for honeycomb and honeycomb preparation process with same
CN103979098A (en) * 2014-05-22 2014-08-13 航天材料及工艺研究所 Flame-retardant composite material floor board as well as preparation method thereof
CN205255603U (en) * 2015-10-31 2016-05-25 青岛石强蜂窝板材有限公司 There is not steamed fire -retardant polypropylene plastics honeycomb panel
CN109849479A (en) * 2019-01-29 2019-06-07 连云港市工业投资集团有限公司 A kind of honeycomb type carbon fibre composite trim panel and preparation method thereof
CN109823021A (en) * 2019-03-29 2019-05-31 江苏骏源新材料有限公司 Flame-proof abrasion-resistant decorative panel, composite plate and preparation method thereof

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