CN209257620U - Composite phenolic resin plate - Google Patents
Composite phenolic resin plate Download PDFInfo
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- CN209257620U CN209257620U CN201822122549.4U CN201822122549U CN209257620U CN 209257620 U CN209257620 U CN 209257620U CN 201822122549 U CN201822122549 U CN 201822122549U CN 209257620 U CN209257620 U CN 209257620U
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Abstract
The utility model discloses a kind of composite phenolic resin plates, the composite phenolic resin plate includes: phenolic resin plate, it is formed by a phenolic resin impregnated paper or is laminated by multiple phenolic resin impregnated papers and formed, the phenolic resin impregnated paper includes paper and the novolac resin layer positioned at the paper two sides；Beaver board, with the phenolic resin board stacking.The composite phenolic resin plate of the utility model is carried out using beaver board with phenolic resin impregnated paper compound, using fiberboard instead of part phenolic resin impregnated paper, therefore production cost is not only greatly reduced, and the problem of reducing pollution atmospheric environment, the production efficiency of entire composite phenolic resin plate also greatly improves.
Description
Technical field
The utility model relates to resin plate fields, in particular to a kind of composite phenolic resin plate.
Background technique
Phenolic resin is after hot briquetting, and just solidification can not fashion into other products again.Phenolic resin, which has, to insulate, no
Generate the characteristics such as electrostatic, wear-resisting and high temperature resistant.
Phenolic resin plate usually uses bleaching wooden oar paper as reinforcement, and using phenolic resin as resin binder system
Bakelite plate made of making.It is soaked by bleaching wooden oar paper and phenolic resin impregnated paper is formed with the hot pressing of phenolic resin rouge, then by multiple phenol
Phenolic resin plate is made in urea formaldehyde impregnated paper poststack hot pressing.Phenolic resin plate has insulating properties, intensity high, can be used for switching
Cabinet, equipment processing table top, secondary process support plate, processing plate.
Utility model content
One embodiment of the utility model provides a kind of NEW TYPE OF COMPOSITE phenolic resin plate, comprising: phenolic resin plate, by
One phenolic resin impregnated paper, which is formed or is laminated by multiple phenolic resin impregnated papers, to be formed, and the phenolic resin impregnated paper includes paper
And the novolac resin layer positioned at the paper two sides；Beaver board, with the phenolic resin board stacking.
In one embodiment, the beaver board be high density fiberboard, medium density fibre board (MDF), solid wood granule plate,
At least one of reclaiming paper-pulp board and bamboo fiberboard.
In one embodiment, the beaver board is high density fiberboard.
In one embodiment, the beaver board with a thickness of 1-15mm.
In one embodiment, the composite phenolic resin plate is including two phenolic resin plates and in two phenolic aldehyde trees
A beaver board between rouge plate.
In one embodiment, the composite phenolic resin plate is including two beaver boards and in two artificial fibres
Tie up a phenolic resin plate between plate.
In one embodiment, the composite phenolic resin plate includes multiple phenolic resin plates and multiple beaver boards,
The phenolic resin plate and the beaver board are alternately laminated.
In one embodiment, two outermosts of composite phenolic resin plate are phenolic resin plate in the stacking direction.
In one embodiment, the composite phenolic resin plate includes three phenolic resin plates and two beaver boards.
In one embodiment, the paper be bleached wood pulp paper, it is brown paper, recycled writing paper, balance paper, titanium white paper, release
One of paper is a variety of.
The composite phenolic resin plate of the utility model is compound using beaver board and the progress of phenolic resin impregnated paper, due to
Using beaver board instead of part phenolic resin impregnated paper, so the usage amount of phenolic resin impregnated paper is greatly reduced,
To reduce production exhaust gas discharge.The production efficiency of entire composite phenolic resin plate also greatly improves.
In addition, in some embodiments, utilizing beaver board and the compound obtained composite phenol formaldehyde of phenolic resin impregnated paper
Resin plate is essentially identical to existing phenolic resin plate in angularity, water imbibition, heat resistance, machinability, and the thickness uniformity is excellent
In existing phenolic resin plate.In some embodiments, it is better than existing phenolic resin plate in hardness, bending strength.
Detailed description of the invention
It, below will be to attached drawing needed in the embodiment in order to illustrate more clearly of the technical solution of the utility model
It is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore is not construed as
Restriction to scope of protection of the utility model.
Fig. 1 shows the schematic diagram of one embodiment of the utility model composite phenolic resin plate.
Fig. 2 shows the schematic diagrames of another embodiment of the utility model composite phenolic resin plate.
Fig. 3 shows the schematic diagram of another embodiment of the utility model composite phenolic resin plate.
Main element symbol description:
100- composite phenolic resin plate；110- phenolic resin plate；111- phenolic resin impregnated paper；120- beaver board；
200- composite phenolic resin plate；210- phenolic resin plate；220- beaver board；300- composite phenolic resin plate；310- phenolic aldehyde
Resin plate；320- beaver board.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.
The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to below
The range of claimed invention is limited, but is merely representative of the selected embodiment of the utility model.It is practical based on this
Novel embodiment, those skilled in the art's every other implementation obtained without making creative work
Example, fall within the protection scope of the utility model.
Fig. 1 shows the composite phenolic resin plate 100 of an embodiment of the utility model, comprising: phenolic resin plate
110, it is made of or is made of the stacking of multiple phenolic resin impregnated papers 111, the phenolic resin a phenolic resin impregnated paper 111
Impregnated paper 111 includes paper and the novolac resin layer positioned at the paper two sides；Beaver board 120, with the phenolic aldehyde tree
Rouge plate 110 is laminated.
Paper can be by being impregnated in the maceration extract of phenolic resin, by obtaining after drying by the phenolic resin impregnated paper 111
?.By impregnation technology thin resin layer can be rapidly formed on the two sides of paper.For example, paper to be passed through to traction from winding up roller
Roller stretching soaks upper resin on the two sides of paper, is then drawn through drying device, form tree by drying to resin immersion liquid slot
Rouge prepreg, the phenolic resin impregnated paper of predetermined size required for being formed finally by cutting.The temperature of baking can be
110-170 DEG C, such as 120 DEG C, 130 DEG C, 140 DEG C, 150 DEG C, 160 DEG C.
Paper can be one of bleached wood pulp paper, brown paper, recycled writing paper, balance paper, titanium white paper, release paper or more
Kind.It is preferred that using bleached wood pulp paper, it is the wooden fibre for not adding other fibers that bleached wood pulp paper, which is the wood pulp made of natural wood,
Dimension, can obtain enough strength supports using bleached wood pulp paper, sexual valence is relatively high.In addition, when being used as drilling support plate, it is fine
Dimension substance can clear up the residue after bit bore, protect drill bit.In some applications, recycled writing paper can be used, can drop
Low production cost.
Paper grammes per square metre is 50-350g/m2, such as can for 50,60,70,80,90,100,110,120,150,180,
200、220、240、260、280、300、320、350g/m2, according to finished product thickness, select corresponding gram weight specification, composite phenol formaldehyde tree
The integral thickness of rouge plate is thicker, and the grammes per square metre of paper can be bigger, thus can reduce the usage amount of phenolic resin impregnated paper, reduces whole
The time of body processing and cost of material.The paper grammes per square metre of bleached wood pulp paper is preferably 80-150g/m2。
The raw material of novolac resin layer can be phenolic resin in phenolic resin impregnated paper 111, be also possible to phenolic resin with
It is the mixture of other resins, wherein phenolic resin is primary raw material, preferably the 80% of the total resin content of phenolic resin weight Zhan
More than.Other resins can be melamine resin, epoxy resin, Lauxite, polyurethane resin etc..
The raw material of novolac resin layer preferably includes phenolic resin, melamine and epoxy resin, phenolic resin, melamine
Mass ratio between epoxy resin three can be 100:(0~15): (0~5), may be, for example, 100:(1,2,3,4,5,6,7,
8,9,10,11,12,13,14 or 15): (0.1,0.5,1,2,3,4 or 5), preferably 100:(5~15): (0.1~5), more preferably
For 100:(8~12): (1~3), more preferable 100:10:2.
Phenolic resin has the advantages that heat resistance, flexibility are good, and wearability is relatively weak.Phenolic resin is colourless or yellowish-brown
Color transparency.Phenolic resin can be by phenols and aldehydes as the synthetic resin for synthesizing main body, be also possible to modified phenolic aldehyde
Resin.Phenolic resin has heat-resisting quantity, even if at very high temperatures, being also able to maintain the globality and size of its structure
Stability.Moreover, phenolic resin can be used as binder, after cross-linking, it is possible to provide required mechanical strength, heat resistance and electricity
Performance.
Melamine resin adehsive has biggish chemical activity, and higher glue-joint strength, water-resistant capacity are high, can undergo three hours
Above boiling water, thermal stability high and low temperature ability to cure are compared with strong, wearability is good.Melamine resin is added in novolac resin layer
Afterwards, hardness and wearability can be increased, it is all good to resistivity, electrical insulation capability of chemicals etc..
Epoxy resin is the high-molecular compound in molecular structure containing epoxy group.Epoxy resin after solidification has good
Physics well, chemical property, dielectric properties are good, and shrinking percentage is small, and product size stability is good, and hardness is high, and flexibility is preferable.Phenol
After epoxy resin is added in urea formaldehyde layer, the performances such as the adhesive strength of beaver board can be increased.
By the way that melamine and epoxy resin is added, enhance the surface hardness of phenolic resin plate and beaver board and glues
Knotting strength, hot pressing time when shortening phenolic resin plate in conjunction with beaver board can effectively reduce chip, the layering of plate
Phenomenon.Flexibility, the heat resistance etc. for both having maintained composite board as a result, also improve wearability and adhesion strength of plate etc.,
And improve production efficiency.
The thickness of beaver board can be such as 1-15mm, such as can for 2mm, 2.5mm, 3mm, 5mm, 8mm,
10mm, 12mm or 14mm, preferably 2-5mm；It can be selected according to the thickness of composite phenolic resin plate, whole compound resin
Thickness is thicker, then the thickness of beaver board can be thicker.According to market supply situation and thickness deviation, flatness, preferably from about
The thickness of 2.5mm.When improving the thickness accounting of beaver board, production cost is greatly lowered, but in beaver board
Thickness when being more than 60%, the fall of bending strength is relatively large, can only be used to some low-end applications scenes at this time.Cause
This, the thickness of preferably beaver board account for entire composite phenolic resin plate thickness 10-60% (such as 20%, 30%, 40%,
50%, 55%), at this point, various performances are more balanced, the performances such as bending strength can also meet most application demand, and
Higher than no beaver board in terms of the thickness uniformity；More preferable thickness accounting is 18-55%；More preferable 20-40%, at this point,
The thickness uniformity is best.
The preferred high density fiberboard of beaver board, medium density fibre board (MDF), solid wood granule plate, reclaiming paper-pulp board and bamboo fibre
At least one of plate.
High density wood-fiber board is using wood fiber or other plant fiber as raw material, to apply ureaformaldehyde rouge or other synthesis tree
A kind of plate that rouge is pressed under conditions of heating and pressurizeing.Medium density fibre board (MDF) is with timber or plant fiber through mechanically decoupled
With chemical treatment means, adhesive and waterproofing agent etc. are mixed, then through made of high temperature, high-pressure molding.Solid wood granule plate is to utilize
Woody debris make material, and lignocellulosic particle is larger in plate, more remain the essence of natural timber.Solid wood granule plate is one
Novel, the environmentally friendly substrate of kind, just because of it is woody debris' splicing, so its surfacing is fine and smooth, and stability is good, material
Matter is uniform.In above-mentioned beaver board, most preferably high density fiberboard, with phenolic resin plate it is compound after, the thickness uniformity is high
In existing phenolic resin plate, and other performances are essentially identical.Bamboo fiberboard is also a kind of preferred fiberboard, after compound
Bending strength can also be higher than existing phenolic resin plate, but slightly worse in terms of water imbibition and angularity.In the utility model, institute
It is compound not use solid wood board and phenolic resin plate to carry out, it is because solid wood board is unsuitable multiple with the progress hot pressing of phenolic resin plate
It closes, and more forest reserves will be consumed so that cost is substantially increased relative to beaver board using solid wood board.
The manufacturing method of the composite phenolic resin plate of the utility model includes: that phenolic resin starting material is impregnated on paper,
Through dry obtained phenolic resin impregnated paper；The phenolic resin impregnated paper is formed by hot pressing with beaver board described compound
Phenolic resin plate.Drying mode be can will impregnated of the paper of resin by baking oven, can baking oven each section of setting it is different
Temperature.The temperature of baking can be 110-170 DEG C.
In the hot-pressing processing of the above-mentioned manufacturing method of composite phenolic resin plate, press temperature can be 120-180 DEG C, such as
130,140,150,160,170 DEG C, pressing pressure can be 30-100Mpa, such as 40,50,60,70,80,90Mpa, pressing time
It can be 0.5-3.5 hours, such as 1,1.5,2,2.5,3 hour.
Beaver board, can be in surface coated with resins before carrying out laminating hot pressing with phenolic resin impregnated paper prepreg
Or roughening treatment, for example, the resin or other adhesive type resins of the resin same type on paper can be coated and be impregnated in
To enhance the adhesion strength of phenolic resin impregnated paper prepreg and beaver board, roughening treatment can also enhance and phenolic resin
The adhesion strength of impregnated paper prepreg.
In addition, beaver board can be done before carrying out laminating hot pressing with phenolic resin impregnated paper prepreg
Dry dehumidification treatments reduce the moisture content in beaver board, so that beaver board and phenolic resin impregnated paper half are solid
Change piece to be more effectively bonded.
Phenolic resin starting material is impregnated on paper, and toasted processing, phenolic resin impregnated paper is made.Then, according to
It needs, surface, which is placed, above and/or under wood-fiber board is no less than a phenolic resin impregnated paper, through hot-pressing processing, is made new
Type composite phenolic resin plate.
Commercially available liquid phenolic resin can be used, can also be prepared in situ.In one embodiment of the utility model,
Phenolic resin can be prepared as follows: anacardol, phenol, formaldehyde are stirred with catalyst investment consersion unit by a certain percentage
Heating is mixed, isothermal reaction after set temperature is reached.It is reacting after a certain period of time, sampling and measuring gelation time, in gel time
Reach vacuum dehydration after predetermined value.Ammonia spirit and triethylamine are as catalyst.It is preferred that by phenol, formaldehyde and three kinds of anacardol
Material adds catalyst to be reacted again after having added.After anacardol is added in the feed, the toughness of phenolic resin is enhanced, thus
Also the toughness of composite phenolic resin plate can integrally be enhanced.
The above-mentioned phenol-formaldehyde resin modified being prepared in situ is not only low in cost relative to commercial phenolic resin, but also improves phenol
The toughness of urea formaldehyde.
Embodiment 1
The schematic diagram of the composite phenolic resin plate of the utility model one embodiment is shown in Fig. 2.The composite phenol formaldehyde tree
Rouge plate 200 includes two phenolic resin plates 210 and a beaver board 220 between two phenolic resin plates 210.
Phenolic resin impregnated paper in the present embodiment is formed by the bleached wood pulp paper impregnated of phenolic resin.For impregnating
The resin raw material of paper includes phenolic resin, melamine and epoxy resin, and the ratio between three is 100:10:2.Phenolic resin
It is prepared in situ using the raw material for including phenol, formaldehyde and anacardol by method as discussed above.
Phenolic resin plate 210 is laminated by multiple phenolic resin impregnated papers.Although phenolic resin plate 210 is by multiple phenolic aldehyde
Tetefol is laminated, but after through hot pressing, multiple phenolic resin impregnated papers have combined together, from side
Through not seeing layered structure.Phenolic resin plate 210 and 220 color of beaver board are because of difference, and the two exists more after hot-pressing
Apparent boundary.In this embodiment, the paper for forming Tetefol is bleached wood pulp paper.Beaver board 220 is high density
Fiberboard.Every layer of phenolic resin plate 210 with a thickness of 4mm, beaver board 220 with a thickness of 2.5mm.Relevant performance test
Data are referring to the following table 1.
Although beaver board accounts for 20% or more the thickness of entire composite phenolic resin plate, performance is as shown in the table,
Hardness, bending strength and the thickness uniformity are even better than existing phenolic resin plate, other performances and existing phenolic resin plate
Quite, whole production cost will save 30% or more, and exhaust gas discharge will reduce 20% or more, and production duration will also shorten close
20%.
Embodiment 2
Difference from example 1 is that: beaver board 220 is medium density fibre board (MDF).
Using medium density fibre board (MDF) compared with high-density plate, surface hardness is suitable, but the thickness uniformity, bending strength,
Angularity, water absorbing properties are declined slightly, heat resistance and machinability qualification rate 100%.
Embodiment 3
Difference from example 1 is that: beaver board 220 is bamboo fiberboard.
Using bamboo fiberboard compared with high-density plate, surface hardness is suitable, and bending strength increases, but the thickness uniformity,
Angularity, water imbibition are declined slightly, heat resistance and machinability qualification rate 100%.
Embodiment 4
Difference from example 1 is that: beaver board 220 is solid wood granule plate.
Using solid wood granule plate compared with high-density plate, surface hardness is suitable, but bending strength, angularity, thickness are equal
Even property, water imbibition are lower than embodiment 1, and heat resistance qualification rate 100%, machinability qualification rate 86%, sample segment is layered
Phenomenon.
Embodiment 5
Difference from example 1 is that: beaver board 220 is reclaiming paper-pulp board.
Using reclaiming paper-pulp board compared with high-density plate, surface hardness is suitable, but bending strength, angularity, thickness are equal
Even property, water imbibition are lower than embodiment 1, and heat resistance qualification rate is 80%, machinability qualification rate 82%.But it can be used for some requirements
In not high end product, and production cost can be further decreased using reclaiming paper-pulp board.
Embodiment 6
Difference from example 1 is that: the resin raw material for impregnated paper includes phenolic resin, melamine and ring
Oxygen resin, the ratio between three are 100:5:1.
Surface hardness, bending strength, water imbibition are lower than embodiment 1, and the thickness uniformity, angularity and embodiment 1 are quite, resistance to
Hot and machinability qualification rate 100%.The raw materials used cost of novolac resin layer is slightly below embodiment 1.
But surface hardness is better than embodiment 10 (novolac resin layer of impregnated paper only uses phenolic resin)；Other performance indicators
Quite；The raw materials used cost of novolac resin layer is slightly above embodiment 10.
Embodiment 7
Difference from example 1 is that: the resin raw material for impregnated paper includes phenolic resin, melamine and ring
Oxygen resin, the ratio between three are 100:15:3.
Surface hardness is higher than embodiment 1, and angularity, water imbibition and embodiment 1 are suitable, heat resistance qualification rate 100%, still
The thickness uniformity, bending strength are lower than embodiment 1, machinability qualification rate 84%.The raw materials used cost of novolac resin layer is slightly higher
In embodiment 1 and 10.
Embodiment 8
Difference from example 1 is that: the resin raw material for impregnated paper includes phenolic resin, melamine and ring
Oxygen resin, the ratio between three are 100:8:1.
Surface hardness, bending strength, the thickness uniformity are lower than embodiment 1, but surface hardness is better than (the dipping of embodiment 10
The novolac resin layer of paper only uses phenolic resin).Angularity, water imbibition and embodiment 1 are suitable；Heat resistance and machinability qualification rate
100%.
Embodiment 9
Difference from example 1 is that: the resin raw material for impregnated paper includes phenolic resin, melamine and ring
Oxygen resin, the ratio between three are 100:12:3.
Surface hardness is higher than embodiment 1 and embodiment 10, and bending strength, the thickness uniformity, angularity performance are lower than implementation
Example 1, water imbibition and embodiment 1 are suitable.Heat resistance and machinability qualification rate 100%.The resin raw material cost of novolac resin layer
It is higher relative to embodiment 1.Comprehensively consider, the overall performance of embodiment 8 and 9 is better than embodiment 6 and 7.
Embodiment 10
Difference from example 1 is that: resin raw material for impregnated paper only phenolic resin, without adding melamine
Amine and epoxy resin.
Surface hardness, bending strength, the thickness uniformity are lower than embodiment 1, and angularity, water imbibition and embodiment 1 are suitable.It is resistance to
Hot qualification rate 100% and machinability qualification rate 96%.The resin raw material cost of novolac resin layer is more slightly higher than embodiment 1.
Embodiment 11
Difference from example 1 is that: the resin raw material for impregnated paper includes phenolic resin and melamine, and
Do not add epoxy resin, the mass ratio of phenolic resin and melamine is 100:10.
Surface hardness is better than embodiment 1, but bending strength is lower than embodiment 1.Angularity, the thickness uniformity, water imbibition
It is suitable with embodiment 1；Heat resistance qualification rate 100% and machinability qualification rate 80%.
Embodiment 12
Difference from example 1 is that: the resin raw material for impregnated paper includes phenolic resin and epoxy resin, and
Not comprising melamine, the mass ratio of phenolic resin and epoxy resin is 100:2.
Surface hardness is lower than embodiment 1, but bending strength, angularity are substantially the same manner as Example 1, the thickness uniformity,
Water imbibition is suitable lower than embodiment 1.Heat resistance qualification rate 100%, machinability qualification rate 98%；The resinogen of novolac resin layer
Material cost is significantly increased relative to embodiment 1.
Embodiment 13
Difference from example 1 is that: every layer of phenolic resin plate 210 with a thickness of 2.5mm, beaver board 220
With a thickness of 5mm.
Although beaver board accounts for the thickness 50% of entire composite phenolic resin plate, performance is as shown in the table, surface
Hardness is substantially same as Example 1, and the thickness uniformity, bending strength, angularity, water imbibition are lower than embodiment 1；Heat resistance is qualified
Rate 100%, machinability qualification rate 100%；Compared to existing phenolic resin plate, whole production cost will save 40% or more,
Exhaust gas discharge will reduce 50% or more, and production duration will also shorten nearly 30%.
Embodiment 14
The schematic diagram of the composite phenolic resin plate of the utility model one embodiment is shown in Fig. 3.The composite phenol formaldehyde tree
Rouge plate 300 includes three phenolic resin plates 310 and two beaver boards 320, phenolic resin plate 310 and beaver board 320
Alternately laminated, outermost two layers is phenolic resin plate 310.
Phenolic resin impregnated paper in the present embodiment is formed by the bleached wood pulp paper impregnated of phenolic resin.Phenolic resin
Plate 310 is laminated by multiple phenolic resin impregnated papers.The paper for forming Tetefol is bleached wood pulp paper.Beaver board
320 be high density fiberboard.Every layer of phenolic resin plate 310 with a thickness of 1.83mm, every layer of beaver board 320 with a thickness of
2.5mm。
The general thickness of the composite phenolic resin plate of embodiment 1 and 15 is identical.Compared with Example 1, the surface of product is hard
Quite, the thickness uniformity, bending strength, angularity, water imbibition are slightly below embodiment 1 to degree.Heat resistance and machinability qualification rate
100%.The usage amount of phenolic resin impregnated paper reduces 25% relative to embodiment 1.
Comparative example 1
Difference from example 1 is that: resin plate is that the phenol formed all is laminated by multilayer phenolic resin impregnated paper
Beaver board is not used in urea formaldehyde plate.
Compared with Example 1, surface hardness is essentially identical, and bending strength, angularity and water absorption rate are slightly above embodiment 1,
But the thickness uniformity is lower than embodiment 1, and whole production cost is significantly larger than embodiment 1.
Comparative example 2
Difference from example 1 is that: resin plate is that the phenol formed all is laminated by multilayer phenolic resin impregnated paper
Beaver board is not used in urea formaldehyde plate, and the resin raw material for impregnated paper is commercially available conventional phenolic resin raw material, should
Modified formula is not used in raw material.
Compared with Example 1, surface hardness, the thickness uniformity, bending strength, angularity and water absorption rate performance are lower than implementation
Example 1, heat resistance and machinability qualification rate 85%, and whole production cost is also significantly larger than embodiment 1.
Comparative example 3
Difference from example 1 is that: it is not the phenolic resin formed by hot pressing in the two sides of beaver board
Plate, but phenolic resin coat is formed in the two sides of beaver board by coating method.The thickness of phenolic resin coat
For 0.1-0.15mm.
By coating method two sides formed phenolic resin coat, if to form the thickness of 5mm, need it is coated again
Solidify repeated multiple times, will lead to that process time is very long, and it is difficult to ensure that product the thickness uniformity.This method is in composite phenol formaldehyde tree
The production application field of rouge plate is limited.
Surface hardness, bending strength, the thickness uniformity and processability are far below embodiment 1, and production efficiency is also remote
Lower than embodiment 1-14.
Comparative example 4
Difference from example 1 is that: the resin raw material of the impregnated paper in this comparative example is only epoxy resin, is not added
Add other resins.
Compared with Example 1, surface hardness, angularity and water absorption rate are substantially suitable, and bending strength, the thickness uniformity are lower than
Embodiment 1, and the cost of epoxy resin is significantly larger than the phenolic resin of embodiment 1.
Performance test:
To the resin plate of each embodiment and comparative example carry out surface hardness, the thickness uniformity, bending strength, angularity,
Water imbibition, heat resistance, processing performance are tested.Each embodiment and comparative example takes 50 samples to be tested, surface hardness,
The thickness uniformity, bending strength, angularity, water imbibition are averaged as test result values；Heat resistance, processing performance are to test
The total pass rate of sample is as test result values.
Surface hardness test: using Shore durometer, presses 9 palace lattice distribution in plank front and back sides, takes measure hardness at 9 points,
It is minimized.It is required that: >=85 degree (Shore D)；
The thickness uniformity test: using thickness measurement equipment, presses 9 palace lattice distribution in plate face, takes measure thickness at 9 points, count
Calculate deviation average.Thickness deviation requirement :≤0.5mm；
Bending strength: it presses bending strength national standard (GB/T 6569-86), is tested, be minimized using three-point bending resistance.It is required that:
>=120MPa, preferably >=125Mpa；
Angularity: plank being laid flat and is placed in marble horizontal platform, with the warpage maximal clearance value of feeler gauge measurement plank quadrangle.
Angularity (maximal clearance angularity %=value/plate face catercorner length) is calculated as follows, is averaged；It is required that :≤
0.3%；
Heat resistance: placing flat in oven heat, by 120 DEG C 120min toast, it is desirable that plate surface is without chip, layering drum
Bubble；
Water absorption rate: it is executed by GB/T 1034-2008, it is desirable that less than 1.6%
Processing performance: borehole test is carried out using above-described embodiment and the plate of comparative example and plays nail test of pulling pin, observation
Whether each plate occurs being layered or chip in drilled edge, i.e., occurs material breakage on plate, falls off.
The 1 test performance table of comparisons of table
From the data of upper table 1 it can be seen that
Although beaver board accounts for 20% or more the thickness of entire composite phenolic resin plate, will be saved in whole production cost
30% or more, exhaust gas discharge will reduce 20% or more, and production duration will also shorten nearly 20%.In beaver board, preferably bamboo is fine
Tie up plate and high-density plate, most preferably high-density plate.It is preferred that beaver board with a thickness of accounting for composite phenolic resin plate overall thickness
For 18-55%；More preferable 20-40%.
When adding a certain proportion of melamine and epoxy resin in the phenolic resin of impregnated paper, overall performance is much better than
The adding proportion of no added phenolic resin, melamine and epoxy resin will affect surface hardness and bending strength.Phenolic aldehyde tree
Mass ratio between rouge, melamine and epoxy resin three is 100:(8~12): (1~3), preferred ratio are as follows: 100:
10:2.
It can be seen from embodiment 1 and 14 when with essentially identical overall thickness, three-decker and five-layer structure it is compound
Every test performance of phenolic resin plate is suitable.But the composite phenolic resin plate production cost of five-layer structure is lower.
Coat phenolic resin comparative example 3 surface hardness, the thickness uniformity, bending strength it is unqualified, processability
Qualification rate be only 60%, and production efficiency be far below embodiment 1.Every test item performance indicator is much smaller than embodiment 1-
14。
In terms of the thickness uniformity, the thickness uniformity of most embodiments is good, meets requirement.But coating phenolic aldehyde
The thickness uniformity of the comparative example 2 of resin is unqualified.Compound by hot pressing using high-density plate, medium-density plate, bamboo fiberboard
When generating composite phenolic resin board, the thickness uniformity is higher than existing phenolic resin plate.
In terms of processability, there is chip, lamination in many samples of comparative example 2, solid wood granule plate and again
Also there is chip and lamination in a small amount of sample of raw pulp plate.In the sample of high-density plate, phenolic resin adds certain proportion
Melamine and epoxy resin when, processing performance is good, do not occur chip, layering the phenomenon that.And in phenolic resin, three
Mass ratio between poly cyanamid and epoxy resin three is 100:(8~12): when (1~3), all samples all do not have in processing
Appearance is layered or the case where chip.In the phenolic resin of identical adding proportion, embodiment 1,2 is (using high, medium density fiber
Plate), machinability is better than embodiment 3,4 (using bamboo fiberboard and solid wood granule plate).
In addition, although only giving the example that two outermosts are phenolic resin plates in the above-described embodiments,
Can be only one outermost is phenolic resin plate, and another outermost is beaver board, can be used for only needing side in this way
The higher application scenarios of surface hardness.In addition, when needed, secondary operation can be carried out to such product, for example, again with
Above-mentioned phenolic resin plate carries out hot pressing to form the product that two outsides are phenolic resin plate.
Therefore, the composite phenolic resin plate of the utility model not only greatly reduces resin raw material usage amount, to reduce
Production cost and the discharge of production exhaust gas improve production efficiency.In the above-described embodiments, surface hardness, in bending strength, base
This equally be even better than existing phenolic resin plate, the thickness uniformity be better than existing phenolic resin plate, angularity, water absorption rate,
Heat resistance, machinability and existing phenolic resin plate are substantially suitable, and meet the requirements index.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (10)
1. a kind of composite phenolic resin plate characterized by comprising
Phenolic resin plate, is formed by a phenolic resin impregnated paper or is laminated by multiple phenolic resin impregnated papers and formed, the phenol
Urea formaldehyde impregnated paper includes paper and the novolac resin layer positioned at the paper two sides；
Beaver board, with the phenolic resin board stacking.
2. composite phenolic resin plate according to claim 1, which is characterized in that the beaver board is high-density fiber
At least one of plate, medium density fibre board (MDF), solid wood granule plate, reclaiming paper-pulp board and bamboo fiberboard.
3. composite phenolic resin plate according to claim 2, which is characterized in that the beaver board is high-density fiber
At least one of plate and bamboo fiberboard.
4. composite phenolic resin plate according to claim 1, which is characterized in that the beaver board with a thickness of 1-
15mm。
5. composite phenolic resin plate according to claim 1, which is characterized in that the composite phenolic resin plate includes two
Phenolic resin plate and a beaver board between two phenolic resin plates.
6. composite phenolic resin plate according to claim 1, which is characterized in that the composite phenolic resin plate includes two
Beaver board and a phenolic resin plate between two beaver boards.
7. composite phenolic resin plate according to claim 1, which is characterized in that the composite phenolic resin plate includes multiple
Phenolic resin plate and multiple beaver boards, the phenolic resin plate and the beaver board are alternately laminated.
8. composite phenolic resin plate according to claim 7, which is characterized in that composite phenolic resin plate in the stacking direction
Two outermosts be phenolic resin plate.
9. composite phenolic resin plate according to claim 8, which is characterized in that the composite phenolic resin plate includes three
Phenolic resin plate and two beaver boards.
10. composite phenolic resin plate according to claim 1, which is characterized in that the paper is bleached wood pulp paper, ox-hide
One of paper, recycled writing paper, balance paper, titanium white paper, release paper are a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122549.4U CN209257620U (en) | 2018-12-17 | 2018-12-17 | Composite phenolic resin plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122549.4U CN209257620U (en) | 2018-12-17 | 2018-12-17 | Composite phenolic resin plate |
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| Publication Number | Publication Date |
|---|---|
| CN209257620U true CN209257620U (en) | 2019-08-16 |
Family
ID=67559834
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|---|---|---|---|
| CN201822122549.4U Active CN209257620U (en) | 2018-12-17 | 2018-12-17 | Composite phenolic resin plate |
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| CN (1) | CN209257620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397807A (en) * | 2018-12-17 | 2019-03-01 | 深圳市数优科技有限公司 | The manufacturing method of composite phenolic resin plate and composite phenolic resin plate |
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2018
- 2018-12-17 CN CN201822122549.4U patent/CN209257620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397807A (en) * | 2018-12-17 | 2019-03-01 | 深圳市数优科技有限公司 | The manufacturing method of composite phenolic resin plate and composite phenolic resin plate |
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Address after: 20I, East Building, Changxing Plaza, No. 86, Changxing Road, Tianxia Community, Nantou Street, Nanshan District, Shenzhen, Guangdong, 518000 Patentee after: SHENZHEN SUREU TECHNOLOGY Co.,Ltd. Address before: Room 11F, West Block, Changxing Plaza, Taoyuan Road, Nanshan District, Shenzhen, Guangdong, 518000 Patentee before: SHENZHEN SUREU TECHNOLOGY Co.,Ltd. |