CN108357157A - A kind of high intensity Phonelic foam sandwich board that resistance to compression is anti-shearing and its manufacturing method - Google Patents
A kind of high intensity Phonelic foam sandwich board that resistance to compression is anti-shearing and its manufacturing method Download PDFInfo
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- CN108357157A CN108357157A CN201810283518.9A CN201810283518A CN108357157A CN 108357157 A CN108357157 A CN 108357157A CN 201810283518 A CN201810283518 A CN 201810283518A CN 108357157 A CN108357157 A CN 108357157A
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/20—Making multilayered or multicoloured articles
- B29C43/203—Making multilayered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
- B29C65/741—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area characterised by the relationships between the joining step and the severing step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02245—Abrading, e.g. grinding, sanding, sandblasting or scraping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
-
- 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
- B32B27/06—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
-
- 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
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of high intensity Phonelic foam sandwich boards that resistance to compression is anti-shearing, including cystosepiment, laminate, the top and bottom of cystosepiment are connect with laminate respectively, along the length direction of battenboard, cystosepiment includes multiple sequentially connected foam cells, foam cell includes multi-layered foamed felt, and every layer of foam felt is vertically sequentially placed and is molded as one, and foam felt is the fibrofelt for being impregnated with phenolic resin.The invention also discloses the manufacturing methods of this kind of Phonelic foam sandwich board.Advantage of the present invention：The Phonelic foam sandwich board of this structure can give full play to its internal fibrous self performance of institute, the compressive property and anti-shear performance for improving battenboard of high degree there is no lateral interlayer structure；The thickness of this battenboard can determine the stability for the battenboard quality for ensureing each thickness by cutting width, realize the stabilization management and control of froth pulp quality, be conducive to produce in batches；The cost of raw material and manufacturing cost are relatively low.
Description
Technical field
The present invention relates to a kind of Phonelic foam sandwich board and its manufacturing methods, more particularly, to a kind of height that resistance to compression is anti-shearing
Intensity Phonelic foam sandwich board and its manufacturing method.
Background technology
In polymer matrix composites structure design, sandwich structure composite material is increasingly common.Sandwich composite wood
Material is using aluminium alloy, glass fiber compound material, carbon fibre composite as panel material, the sandwich with low-density, high rigidity
Material combines, and forms the structural composite material of a kind of lightweight, high intensity, high-modulus.In practical applications, sandwich is multiple
The panel of condensation material is primarily subjected to drawing, compression, and sandwich material is then primarily subjected to shear stress and longitudinal compressive stress, a sorrow of separation
Also subject to transverse compression stress under condition, therefore, it is excellent that high performance sandwich structure composite material requires its sandwich material to have
Compression performance and cutting performance.
Phenol formaldehyde foam is a kind of novel foamed plastic developed rapidly in recent years, because of its good, smoke with flame resistance
It measures the excellent properties such as low and high temperature performance stabilization, heat-insulating sound-insulating and is used widely.Phenolic foam board is generally by multi-layered foamed
Felt is superimposed, and is made with foaming manufacturing method, and phenol formaldehyde foam intralamellar part after molding has lateral interlayer structure, with this
Sandwich material of the structural panel as sandwich structure composite material may be due to when by longitudinal pressure or cross shear
The deficiency of inter-layer bonding force is destroyed because of recurring structure unstability in advance.
Currently, although the shear strength and compressive strength of resin used in phenol formaldehyde foam can be produced by raising or make phenol
The size of aldehyde foam pores is less than the shear strength of the methods of crack propagation or the cut off diameter of generation unstability raising phenol formaldehyde foam
And compressive strength, but such method can greatly increase manufacture or material cost.
Invention content
Goal of the invention：In view of the above-mentioned problems, the object of the present invention is to provide a kind of high intensity phenolic aldehyde that resistance to compression is anti-shearing bubbles
The manufacturing method of foam battenboard and the Phonelic foam sandwich board improves shear strength and the compression of Phonelic foam sandwich board
Intensity, and its cost is controlled while meeting intensity requirement.
Technical solution：A kind of high intensity Phonelic foam sandwich board that resistance to compression is anti-shearing, including cystosepiment, laminate, it is described
The top and bottom of cystosepiment are connect with the laminate respectively, and along the length direction of the battenboard, the cystosepiment includes
Multiple sequentially connected foam cells, the foam cell include multi-layered foamed felt, and every layer of foam felt is vertically sequentially placed
And be molded as one, the foam felt is the fibrofelt for being impregnated with phenolic resin.
The foam felt of each foam cell is vertically placed so that and foam cell has longitudinal interlayer structure, thus whole
On the length direction of a phenolic foam board, there is no lateral interlayer structures, therefore, will not due to the deficiency of inter-layer bonding force,
And generate before the compressive strength and shear strength for reaching basis material, the case where destruction in advance because of recurring structure unstability；
Since the direction of every layer of foam felt becomes longitudinal from existing transverse direction, to significantly improve the shearing of phenolic foam board
Intensity and compressive strength.
Further, the laminate is resin plate or prepreg plate.
Best, the thickness of the laminate is 0.9mm~1.2mm.
Best, the length A of the foam cell is 45mm~52mm.
Best, the thickness B of the foam cell is 48mm~55mm.
Further, it is connected by adhesive adhesion between the adjacent foam cell.
A kind of manufacturing method of the anti-shearing high intensity Phonelic foam sandwich board of above-mentioned resistance to compression, includes the following steps：
Step 1：Phenolic resin base fluid is allocated, fibrofelt is put into phenolic resin base fluid and is infiltrated, the foam is made
Felt；
Step 2：Foam felt described in multilayer is sequentially stacked integrally, foaming processing is then carried out, just system is made
Plate；
Step 3：Grinding process is carried out to the surface of the just making sheet, it, will then along the directions length C of the just making sheet
It cuts into the cell block of at least one length, and is to have described in longitudinal interlayer structure by 90 ° of steerings of the cell block
Foam cell；
Step 4：It by the identical foam cell proper alignment of thickness and is sequentially connected integrally, the foam is made
Plate；
Step 5：It is separately connected the laminate on the upper and lower surface in the upper surface of the cystosepiment, is then added
Warm cure under pressure forming processes, are made Phonelic foam sandwich board.
According to the thickness of required foam battenboard and strength demand and the thickness of every layer of foam felt, setting is stacked
Foam felt cutting width when point cutting such as carrying out of the number of plies and first making sheet, it is generally the case that foam felt is stacked to be constituted
The thickness of first making sheet be 50mm be best, the Cutting Length that first making sheet cuts into cell block is that 48mm is best.
The just making sheet made of foaming processing, can generate defect in face, and when point cutting such as carrying out, can be by
Rejected region removal wholly or largely, after being rotated by 90 ° placement arrangement, even if there is also the rejected region not yet removed,
In-plane defects caused by foaming also influence the pressure-bearing anti-shear performance of the cystosepiment of final molding without excessive, cystosepiment
Self performance be improved.
Further, in step 2, the foam felt is put in progress foaming processing on hot press.
Best, in step 4, the interface of the two neighboring foam cell is coated with adhesive, by the foam list
Adhesion is integral successively for member.
Best, in step 5, the upper and lower surface of the cystosepiment passes through adhesive and the lamination respectively
Plate adhesion connects.
Advantageous effect：Compared with prior art, it is an advantage of the invention that：There is no cross for the Phonelic foam sandwich board of this structure
To interlayer structure, its internal fibrous self performance of institute can be given full play to, high degree improves the anti-of battenboard
Press performance and anti-shear performance；The thickness of this battenboard can determine by cutting, therefore to the bubble of required any thickness
Foam sandwich sheet can be realized by unified foam process, ensure the stability of the battenboard quality of each thickness, be realized
The stabilization management and control of froth pulp quality reduces manufacture difficulty, is conducive to produce in batches；Moulding technique is easy, is molded work
For skill compared with the method for other enhancing phenol formaldehyde foam mechanical properties, the cost of raw material and manufacturing cost are relatively low.
Description of the drawings
Fig. 1 is the structural schematic diagram of the first making sheet obtained by existing foaming technology；
Fig. 2 is the cutting schematic diagram of first making sheet；
The structural schematic diagram for the cystosepiment that Fig. 3 is rotated by 90 ° and is sequentially connected for cell block in Fig. 2；
Fig. 4 is the structural schematic diagram of this Phonelic foam sandwich board.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
The present invention rather than limit the scope of the invention.
A kind of high intensity Phonelic foam sandwich board that resistance to compression is anti-shearing, as shown in figure 4, including cystosepiment 1, laminate 2, layer
Pressing plate 2 is resin plate or prepreg plate, and thickness is 0.9mm~1.2mm, and the top and bottom of cystosepiment 1 connect with laminate 2 respectively
It connects, cystosepiment 1 includes multiple foam cells 11 for passing sequentially through adhesive adhesion connection, and each foam cell 11 is steeped including multilayer
Foam felt 111, foam felt 111 are the fibrofelt for being impregnated with phenolic resin, and every layer of foam felt 111 is vertically sequentially placed and is shaped to one
The length A of body, each foam cell 11 is 45mm~52mm, and thickness B is 48mm~55mm.
This kind of new structural cystosepiment 1, since it no longer has a lateral interlayer structure, fibrous layer vertically, i.e.,
The thickness B directional spredings of foam cell 11, break the limitation of itself inter-layer bonding force suffered by original phenolic foam board, make
The anti-shearing and compressive property for obtaining this kind of new structural cystosepiment 1 has great promotion, fibrous layer to be vertically distributed,
More its self performance can be made to be fully played.Use phenolic foam sandwich made of this kind of new structural cystosepiment 1
Plate disclosure satisfy that force request of the sandwich structure composite material to its sandwich material, can be good at bearing shear stress and indulge
To compression stress, meet performance requirement of the high performance sandwich structure composite material to its sandwich material, and can realize and criticize
Amount production.
A kind of manufacturing method of the anti-shearing high intensity Phonelic foam sandwich board of above-mentioned resistance to compression, includes the following steps：
Step 1：Phenolic resin base fluid is allocated, fibrofelt is put into phenolic resin base fluid and is infiltrated, foam felt 111 is made；
Step 2：According to the thickness of the cystosepiment 1 of required production and the thickness of single layer foam felt 111, foam felt is selected
111 number of plies, and multi-layered foamed felt 111 is sequentially stacked integrally, the multi-layered foamed felt 111 after being stacked is put on hot press
Foaming processing is carried out, just making sheet 3 is made, as shown in Figure 1；
Step 3：Rough grinding process is carried out to the surface of first making sheet 3, then use is arranged according to machine along the length of first making sheet 3
First making sheet 3 is cut into the cell block of at least one length by the degree directions C, as shown in Figure 2；90 ° of steerings of cell block are had
The thickness of the foam cell 11 of longitudinal interlayer structure, first making sheet 3 is the length A of foam cell 11, the Cutting Length of cell block
The as thickness B of foam cell 11；
Step 4：By identical 11 proper alignment of foam cell of thickness, glue spraying or brush coating process are carried out using adhesive, it is right
One of two opposite sides of two neighboring foam cell 11 side or the gluing of two sides, then successively adhesion at one
Cystosepiment 1 is made, as shown in Figure 3 in body；
Step 5：Glue spraying or brush coating process are carried out using adhesive, the upper and lower surface of cystosepiment 1 is glued, and
Adhesion is had the cystosepiment 1 of laminate 2 to be put into press by adhesion laminate 2 respectively, carries out temperature-pressure curing molding processing, system
At Phonelic foam sandwich board.
This manufacturing method carries out post forming processing to the first making sheet after foaming, it is generally the case that in technique productions
In, the plank after foaming inevitably generates defect in face, and is handled by post forming, is being cut
When, rejected region wholly or largely can be removed, after being rotated by 90 ° placement arrangement, even if there is also what is not yet removed to lack
Concave portion position, the in-plane defects that molding generates for the first time are also to the pressure-bearing anti-shear performance of the cystosepiment of final molding without excessive shadow
It rings.
After post forming, the thickness of gained cystosepiment is the Cutting Length of just making sheet cell block in cutting, usual feelings
Under condition, it is best that the thickness of the stacked first making sheet constituted of foam felt, which is 50mm, and the Cutting Length that first making sheet cuts into cell block is
48mm is best, i.e. it is best that the length A of foam cell, which is 50mm, and thickness B is that 48mm is best, is easy to process, is made just
In the cutting process of plate, first making sheet can be cut into a kind of cell block of length, i.e., along the directions length C of first making sheet to first making sheet
Carry out etc. point cutting.
Due to cystosepiment thickness by cutting when cell block length determine, in processing different-thickness demand
When battenboard, unified foaming forming technique may be used, without carrying out the modification of technological parameter, technical process is more easy to handle
Therefore control more can carry out management and control to the quality of the cystosepiment produced, ensure that the quality of manufactured Phonelic foam sandwich board is steady
It is qualitative, it can realize extensive, mass production, and compared to the resistance to compression anti-shear performance of other reinforcing phenolic foam boards
Technique productions, the process costs and material cost of this method are relatively low.
Claims (10)
1. a kind of high intensity Phonelic foam sandwich board that resistance to compression is anti-shearing, it is characterised in that：Including cystosepiment (1), laminate
(2), the top and bottom of the cystosepiment (1) are connect with the laminate (2) respectively, along the length direction of the battenboard,
The cystosepiment (1) includes multiple sequentially connected foam cells (11), and the foam cell (11) includes multi-layered foamed felt
(111), every layer of foam felt (111) is vertically sequentially placed and is molded as one, and the foam felt (111) is to be impregnated with phenolic aldehyde
The fibrofelt of resin.
2. a kind of anti-shearing high intensity Phonelic foam sandwich board of resistance to compression according to claim 1, it is characterised in that：It is described
Laminate (2) is resin plate or prepreg plate.
3. a kind of anti-shearing high intensity Phonelic foam sandwich board of resistance to compression according to claim 1, it is characterised in that：It is described
The thickness of laminate (2) is 0.9mm~1.2mm.
4. a kind of anti-shearing high intensity Phonelic foam sandwich board of resistance to compression according to claim 1, it is characterised in that：It is described
The length A of foam cell (11) is 45mm~52mm.
5. a kind of anti-shearing high intensity Phonelic foam sandwich board of resistance to compression according to claim 1, it is characterised in that：It is described
The thickness B of foam cell (1) is 48mm~55mm.
6. a kind of anti-shearing high intensity Phonelic foam sandwich board of resistance to compression according to claim 1, it is characterised in that：It is adjacent
It is connected by adhesive adhesion between the foam cell (11).
7. a kind of manufacturing method of any anti-shearing high intensity Phonelic foam sandwich board of resistance to compression of Claims 1 to 5,
It is characterized in that including the following steps：
Step 1：Phenolic resin base fluid is allocated, fibrofelt is put into phenolic resin base fluid and is infiltrated, the foam felt is made；
Step 2：Foam felt described in multilayer is sequentially stacked integrally, foaming processing is then carried out, just making sheet is made；
Step 3：Grinding process is carried out to the surface of the just making sheet, then along the directions length C of the just making sheet, is cut
It is cut into the cell block of at least one length, and is the foams with longitudinal interlayer structure by 90 ° of steerings of the cell block
Unit；
Step 4：It by the identical foam cell proper alignment of thickness and is sequentially connected integrally, the cystosepiment is made；
Step 5：It is separately connected the laminate on the upper and lower surface in the upper surface of the cystosepiment, heating is then carried out and adds
Cured forming processes, are made Phonelic foam sandwich board.
8. a kind of manufacturing method of the anti-shearing high intensity Phonelic foam sandwich board of resistance to compression according to claim 7, special
Sign is：In step 2, the foam felt is put in progress foaming processing on hot press.
9. a kind of manufacturing method of the anti-shearing high intensity Phonelic foam sandwich board of resistance to compression according to claim 7, special
Sign is：In step 4, the interface of the two neighboring foam cell is coated with adhesive, and the foam cell is glued successively
It is connected.
10. a kind of manufacturing method of the anti-shearing high intensity Phonelic foam sandwich board of resistance to compression according to claim 7, special
Sign is：In step 5, the upper and lower surface of the cystosepiment is connected by adhesive and the laminate adhesion respectively
It connects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283518.9A CN108357157A (en) | 2018-04-02 | 2018-04-02 | A kind of high intensity Phonelic foam sandwich board that resistance to compression is anti-shearing and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283518.9A CN108357157A (en) | 2018-04-02 | 2018-04-02 | A kind of high intensity Phonelic foam sandwich board that resistance to compression is anti-shearing and its manufacturing method |
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