CN105201200B - A kind of hot-forming high intensity not delamination template and preparation method thereof - Google Patents

A kind of hot-forming high intensity not delamination template and preparation method thereof Download PDF

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CN105201200B
CN105201200B CN201510513728.9A CN201510513728A CN105201200B CN 105201200 B CN105201200 B CN 105201200B CN 201510513728 A CN201510513728 A CN 201510513728A CN 105201200 B CN105201200 B CN 105201200B
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lath
hot
intensity
forming
template
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CN201510513728.9A
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Chinese (zh)
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CN105201200A (en
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黄险波
陈大华
范欣愉
孙雅杰
黄有平
孟姗姗
刘玲
汪丽
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广州金发碳纤维新材料发展有限公司
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Abstract

A kind of hot-forming high intensity not delamination template and preparation method thereof, because lath a length direction is consistent with the timber direction of growth, lath b short transverse is consistent with the timber direction of growth, therefore, the length direction of short transverse and lath of the plate core along vertical slats length and width face can be made consistent with the axial solencyte of the timber direction of growth respectively, it can not only play a part of being sufficiently impregnated resin and mechanical support simultaneously, it can also make plate core that all there is high mechanical property on vertically and horizontally and deform small, be not in lamination inside the plate core for making to machine, with high-modulus, the template of formation will not buckling deformation;Because the continuous fiber direction of adjacent continuous fiber reinforcement preliminary-dip piece is staggeredly laid, wherein at least have that the machine direction of one layer of continuous lod preliminary-dip piece is identical with plate core width, therefore template longitudinal direction and the mechanical property of transverse direction can be strengthened simultaneously.

Description

A kind of hot-forming high intensity not delamination template and preparation method thereof

Technical field

The present invention relates to building template field, more particularly to continuous lod building template field.

Background technology

The template used in construction for punching block, wooden model, bamboo mould, plastic formwork etc., wherein, punching block is although firm, and Recycle often, still, its is expensive, corrosion-resistant easy does not get rusty, meanwhile, punching block weight is big, and not only transport is inconvenient, There is also larger potential safety hazard in work progress;At present, most commonly used in construction is plank sheathing or Bamboo Formwork, this Class template is in light weight, is readily transported, and its is cheap, but this kind of template strength it is low, intolerant to burn into seep water after it is easy to crack, And the demoulding is difficult, recycling number is seldom, less than 5 times, in addition, this class template is big to Wood demand, environment is caused greatly Destroy.In recent years, to solve the defects of above-mentioned punching block, wooden model, bamboo mould exist as template, there are many new shapes in industry Expect template, such as Wood-plastic formwork, GMT templates, hollow plastic formwork, foaming PVC template, but these templates is expensive, puies forward High construction cost, and exist low intensity, poor rigidity, it is yielding, weatherability is poor the shortcomings of, it is low to recycle number, It can only use 10 times or so.

To solve the defects of above-mentioned Form board tape comes, patent 201110000869.2 discloses a kind of continuous fiber plastic coated belt material Composite reinforced construction template and preparation method thereof, which employs wooden oriented wood chipboard as plate core, solar absorber surface and by 2 ~ 4 layers Enhancing surface layer made of continuous fiber plastic coated belt material together, mould is built so as to which enhancing be made through double-side hot-melt adhesive film heat pressure adhesive Plate, used hot melt adhesive film one side is acrylic resin, and another side resin is maleic anhydride modified acrylic resin, by heat Melten gel film is bonded plate core and enhancing surface layer has two:1st, hot melt adhesive film is expensive, considerably increase construction into This;2nd, the viscose glue for preparing wooden oriented wood chipboard is usually thermosetting glue, bonding and insecure with PUR, long-term use of Can there are foaming, the phenomenon of bulge, cause template performance rapid drawdown.Further, since particieboard is a kind of flakeboard, although in its table Fiber reinforcement surface layer is covered in face, but still can have the problem of rigidity is insufficient, and lamination can occur in its particieboard, cause template Intensity is deteriorated, and service life shortens.

Another patent 201310422446.9 discloses a kind of building template laminate and its manufacture method, the plate core For common fast growing wood veneer, wooden flake board or density fiber board, the enhancing surface layer is the fiber that one side is covered with non-woven fabrics Strengthen thermoplastic sheet, the non-woven fabrics for strengthening facing surface is bonded together with plate core by glue, the fibre-reinforced thermoplastic Property plate be continuous fiber reinforced thermoplastic prepreg with it is short it is fine strengthen thermoplasticity prepreg feed back and lay form, if the plate core used For fast growing wood veneer, then the veneer of larger breadth being needed, can just be processed into the template of high rigidity, processed complex, cost is high, If using particieboard or density fiber board as plate core, its mechanical strength is inadequate, lamination in plate core easily be present.

The content of the invention

The present invention is intended to provide a kind of high intensity not delamination, water corrosion resistant performance is good and easy mold release, drop resistant fall destructiveness The good building form of energy, and the preparation method for preparing this kind of building form that processing method is simple and easy, production efficiency is high.

A kind of hot-forming high intensity not delamination template of the present invention, including plate core, and respectively with plate core The continuous lod composite cover that lower surface bonding is integrated, the lath that the plate core is formed by a plurality of wood materials is by matrix Shape bonding is formed, and lath is rectangular-shape, and the lath is divided into lath a and lath b, and lath a length direction and timber are given birth to Length direction is consistent, and lath b short transverse is consistent with the timber direction of growth;The continuous lod composite cover by one layer or Multilayer continuous lod preliminary-dip piece forms, and wherein at least has the machine direction of one layer of continuous lod preliminary-dip piece and plate core wide It is identical to spend direction.

A kind of preparation method of hot-forming high intensity not delamination template of the present invention, its step are:

1)Prepare plate core:Wood materials are fabricated to the lath of rectangular-shape, the lath is divided into lath a and lath b, plate Bar a length direction is consistent with the timber direction of growth, and lath b short transverse is consistent with the timber direction of growth, lath a and lath B is formed by a root long cube batten respectively, or lath a and lath b respectively by more battens by adhesive layer with mitered or right The mode connect is spliced to form along stave lengths direction, and its docking angle is θ=90 °, miter angles θ<90 °, to reach plate core length Spend size requirement;Along width of sheet direction:It is bonded as one between adjacent slat by adhesive layer in the form of docking, butt joint corner Spend for θ=90 °, to reach plate core width dimensions requirement, ultimately form the plate core highly consistent with lath;

2)Prepare continuous lod composite cover:Continuous fiber product is passed through in resin melt, after being sufficiently impregnated, warp Cooling, cutting winding, form continuous lod preliminary-dip piece;Will be continuous made of unidirectional fibre product or multidirectional fibre Fiber reinforcement preliminary-dip piece is laid successively to be integrated, and wherein at least has the machine direction and plate core of one layer of continuous lod preliminary-dip piece Width is identical, and simple compound, formation continuous fiber is carried out with ultrasonic welding device to multilayer continuous lod preliminary-dip piece Strengthen composite cover;

3)Prepare template:The continuous lod composite cover being simply compounded to form in step 2 is overlayed on into plate core respectively On upper and lower two surface, be placed in hot pressing in press, temperature is 180 DEG C ~ 230 DEG C, and pressure be 10MPa ~ 20MPa, the time for 2min ~ 20min;It is cold-pressed after the completion of hot pressing, cold pressing pressure is 10MPa ~ 20MPa, and the cold pressing time is 2min ~ 20min, forms mould Plate.

A kind of hot-forming high intensity not delamination template of the present invention and preparation method thereof, template by plate core and Formed respectively with the continuous lod composite cover that is integrated of plate core upper and lower surface bonding, wherein, plate core by length direction with The consistent lath a of the timber direction of growth and short transverse it is consistent with the timber direction of growth lath b splicing composition, therefore, can make The length direction of short transverse and lath of the plate core along vertical slats length and width face is thin with the tube axial of the timber direction of growth respectively Born of the same parents are consistent, can not only play a part of being sufficiently impregnated resin and mechanical support simultaneously, moreover it is possible to make plate core in vertical direction and water Square all there is high mechanical property upwards and deformation is small, be not in lamination inside the plate core for making to machine, tool There is high-modulus, the template of formation will not buckling deformation;In addition, the plate core of this kind of template, its size to material, material requirement are not Height, without the veneer of larger wide cut, the natural defect of material, processing using defect on the performance of final finished without influence, therefore, Processing cost is low;Because the continuous fiber direction of adjacent continuous fiber reinforcement preliminary-dip piece is staggeredly laid, wherein at least there is one layer of company The machine direction of continuous fiber reinforcement preliminary-dip piece is identical with plate core width, therefore can strengthen template longitudinal direction and horizontal power simultaneously Performance is learned, the mechanical property of template can be improved by this kind of continuous lod composite cover, makes template that there is in light weight, intensity Height, waterproof anticorrosion, the performance of easy mold release, recycle often, up to more than hundred times, substantially increase making for building template With the life-span, cost is intended for single use in reduction;And because this kind of template can be recycled often, therefore, reduce and forest is broken It is bad, significantly reduce resource loss rate.

Brief description of the drawings

Fig. 1 is trunk section of the present invention schematic diagram.

Fig. 2 is lath a structural representations of the present invention(Length direction is consistent with the timber direction of growth, and L is length, and H is height, and W is It is wide).

Fig. 3 is lath b structural representations of the present invention(Short transverse is consistent with the timber direction of growth, and L is length, and H is height, and W is It is wide).

Fig. 4 is formwork structure schematic diagram of the present invention(Continuous lod composite cover is peeled off with plate core).

Fig. 5 is template cross section structure schematic diagram of the present invention.

Embodiment

A kind of hot-forming high intensity not delamination template, as shown in Figures 1 to 5, including plate core 1, and respectively with plate The continuous lod composite cover 2 that the bonding of the upper and lower surface of core 1 is integrated, the plate that the plate core 1 is formed by a plurality of wood materials Bar is formed by matrix shape bonding, and lath is rectangular-shape, and the lath is divided into lath a6 and lath b3, lath a6 length side To consistent with the timber direction of growth, lath b3 short transverse is consistent with the timber direction of growth;The continuous lod is compound Surface layer 2 is made up of one or more layers continuous lod preliminary-dip piece, wherein at least there is the fibre of one layer of continuous lod preliminary-dip piece It is identical with the width of plate core 1 to tie up direction.

Along vertical slats by grow with the wide direction of length and width face 5 formed, the height of plate core 1 is 1 ~ 300mm, can be given full play to The mechanical property of plate core 1.

The width of the lath a6 and lath b3 are respectively 0.2 ~ 20mm, preferably 1 ~ 3mm, can effectively ensure that manufactured plate core 1 has excellent mechanical property.

The bar number of the lath b3 is 0.1 ~ 2, preferably 0.75 ~ 1.3 with lath a6 bar number proportion, is ensured by plate The plate core 1 that bar is spliced to form has excellent mechanical property.

Lath a6 and lath b3 is formed by a root long cube batten respectively;Or lath a6 and lath b3 are respectively by more wood Bar is spliced to form adhesive in a manner of mitered or docking along stave lengths direction, miter angles θ<90 °, docking angle For θ=90 °, so as to ensure that bond area is big, when bearing shearing force, stress distribution is uniform, and bearing capacity is high, and mitered mode Stress concentration caused by fault in seam can effectively be avoided.

Along the width of plate core 1, the corresponding same level of adjacent slat bonds by way of adhesive is using docking It is integrated, its docking angle is θ=90 °, easy to process.

The continuous lod composite cover 2 is combined by 1 ~ 4 layer of continuous lod preliminary-dip piece, preferably 2 ~ 4 layers Continuous lod preliminary-dip piece, the thickness of continuous lod composite cover 2 are 0.2mm ~ 4mm, surface density 200g/m2~ 3200g/m2, based on the gross weight of continuous lod composite cover, the percentage by weight of continuous fiber is 20wt% ~ 80wt%, It is preferred that 45wt% ~ 80wt%, is effectively ensured enhancing template longitudinal direction and horizontal mechanical property.

Described continuous lod preliminary-dip piece is made up of continuous fiber product and thermoplastic resin composition, described continuous Fibre is unidirectional fibre product or multidirectional fibre, the company being made up of unidirectional fibre product and thermoplastic resin composition Continuous fiber reinforcement preliminary-dip piece, which is angularly laid, to be integrated, and its ply stacking angle is 90 ° or 0 °, [90 °/0 °]TOr [0 °/90 °]T、 [90°/0°/90°]TOr [0 °/90 °/0 °]T、[90°/0°]2TOr [0 °/90 °]2T、[90°/0°]2sOr [0 °/90 °]2s, can be effective Strengthen the mechanical property of continuous lod composite cover 2.The material of the continuous fiber product is alkali-free glass fibre, middle alkali Glass fibre or high alkali glass fibre, one or more combinations of carbon fiber, aramid fiber, basalt fibre, silicon carbide fibre, A diameter of 5 ~ 20 μm of continuous fiber, preferably alkali-free glass fibre product, the unidirectional fibre product are continuous fiber yarn, unidirectionally Cloth, the multidirectional fibre are continuous fiber felt, continuous fiber grid cloth, plain cloth, twills, satin fabric, volume Fabric, blended fabric, multi-axial fabric, three dimensional fabric etc..The thermoplastic resin composition by vistanex, auxiliary agent and Filler forms, and the gross weight based on thermoplastic resin composition, the percentage by weight of vistanex is 70wt% ~ 100wt%, is helped The percentage by weight of agent is 0 ~ 20wt%, and the percentage by weight of filler is 0 ~ 10wt%, wherein vistanex melt index model Enclose for 10 ~ 1000g/10min, contribute to resin to be sufficiently impregnated fibre in this melting means scope, improve the boundary of composite Face performance, the continuous lod composite cover for making to be process have compared with high bond strength with plate core;The vistanex For one or more of combinations with any ratio in polyethylene, polypropylene and polyethylene reclaimed materials, polypropylene reclaimed material, this kind of tree Resin system is nonpolar or low polar resin, waterproof and easy mold release.The auxiliary agent includes compatilizer, antioxidant, lubricant, anti-drop Fall one or more combinations in the functional additives such as agent, plasticizer, coupling agent, fire retardant.The compatilizer is selected from Malaysia Anhydride grafting modified polypropylene, one kind of NCO graft modification polypropylene or acrylic ester grafted modified polypropene or one Kind combination of the above.The antioxidant is selected from 2,6- three-level butyl -4- methylphenols, N, N '-bis--(3- (3,5- bis- tertiary fourths Base -4- hydroxy phenyls) propiono) hexamethylene diamine, four (β-(3,5- di-t-butyl -4- hydroxy phenyls) propionic acid) Ji Wusi Alcohol ester, three (2.4- di-tert-butyl-phenyls) phosphite esters, double (3,5- three-level butyl -4- hydroxy phenyls) thioethers or thio two One or more in propionic acid dibasic acid esters.The lubricant is selected from saturated hydrocarbons(Atoleine, solid paraffin, microcrystalline wax Agent low molecular weight polyethylene(Molecular weight 1000 ~ 10000), chlorinated paraffin, OPE etc.), metal soap(Stearic acid Calcium, lead stearate etc.), aliphatic amide(Ethyl double hard amide, N, N ethylenebis ricinoleic acid amides etc.), fatty acid (Stearic acid etc.), fatty acid ester(Butyl stearate, glycerin monostearate etc.)And one kind in aliphatic alcohols or it is a kind of with On.One or more of the anti-dripping agent in pure powder type or cladded type fluorine class anti-dripping agent.The plasticizer choosing From phthalic acid ester, phosphate, fatty group dibasic acid, polyol ester, epoxide etc..The coupling agent is selected from silane Coupling agent, titanate coupling agent, aluminate coupling agent, bimetallic coupling agent, phosphate coupling agent, boric acid ester coupler, chromium network Compound and other higher fatty acids, alcohol, ester coupling agent etc. in one or more.It is fire-retardant that the fire retardant is selected from bromine system Agent(Bromination imines, brominated polycarbonate, brominated Polystyrene, brominated polystyrene, brominated epoxy, brominated triazine, tetrabromobisphenol A, eight bromo ether, eight bromine S ethers, deca-BDE, TDE etc.), antimony based flame retardant(The antimony such as stibate, antimony oxide Compound)Magnalium flame retardant(Magnesium hydroxide, aluminium hydroxide etc.), phosphorus flame retardant(Red phosphorus, hypophosphites, phosphate etc.), nitrogen Flame retardant(Melamine polyphosphate, Quadrafos, melamine cyanurate etc.), Firebrake ZB, sulfonate, silicon systems fire retardant One or more in system.The auxiliary agent contains one or more kinds of combinations of the groups such as-NH ,-COOH or-OH, can Hydrogen bond or covalent bond are formed with-the OH of timber, improves the adhesive property with plate core.Described filler include titanium dioxide, calcium carbonate, One or more combinations in the fillers such as mica powder, toner.

Surface embossing is provided with the one side that the continuous lod composite cover 2 does not bond with plate core 1 or without table Face embossing, if without surface embossing, mainly as the structure mold of casting concrete, obtain that porosity is low and surface light after the demoulding Sliding concrete product, it is easy for construction without post processing, easy form removal;If there is surface embossing, it is mainly used in casting concrete wall Body, embossing depth bounds are 0.01mm ~ 0.4mm, and this embossing depth can accelerate moisture fast transferring in concrete and, to top layer, tear open Coarse pitted skin surface is formed after mould, helps to carry out mortar or processing of plastering to wall.

The adhesive is one kind or one kind in polyurethane, epoxy resin, phenolic resin, Lauxite or melamine More than, wherein resin solid content is 15% ~ 65%.

A kind of preparation method of hot-forming high intensity not delamination template, its step are:

(1)Prepare plate core:Wood materials are fabricated to the lath of rectangular-shape, the lath is divided into lath a6 and lath B3, lath a6 length direction are consistent with the timber direction of growth, and lath b3 short transverse is consistent with the timber direction of growth, lath A6 and lath b3 is formed by a root long cube batten respectively, or lath a6 and lath b3 pass through adhesive by more battens respectively It is spliced to form in a manner of mitered or docking along stave lengths direction, its docking angle is θ=90 °, miter angles θ<90 °, with Reach the length dimension requirement of plate core 1;Along width of sheet direction:It is bonded between adjacent slat by adhesive in the form of docking and is One, docking angle is θ=90 °, to reach the width dimensions requirement of plate core 1, ultimately forms the plate core 1 highly consistent with lath;Spell When connecing, two seams in the horizontal at least stagger 200mm, and all cavity sawdusts and polyurethane glue are adjusted in gained plate core Filled up after mixed, be dried after hole repairing, obtain dried plate core, it is enterprising that dried plate core is placed on into sander The two-sided fixed thick sanding of row;The adhesive is one in polyurethane, epoxy resin, phenolic resin, Lauxite or melamine Kind or more than one, wherein resin solid content be 15% ~ 65%, because the pH value of timber is in the range of 4 ~ 7, it is therefore preferable that phenolic aldehyde tree Fat glue or melamine glue;

(2)Prepare continuous lod composite cover:Continuous fiber product is passed through in resin melt, after being sufficiently impregnated, Through cooling down, cutting winding, continuous lod preliminary-dip piece is formed;It will connect made of unidirectional fibre product or multidirectional fibre Continuous fiber reinforcement preliminary-dip piece is laid successively to be integrated, and wherein at least has the machine direction and plate of one layer of continuous lod preliminary-dip piece Core width is identical, carries out simple compound, the continuous fibre of formation with ultrasonic welding device to multilayer continuous lod preliminary-dip piece Dimension enhancing composite cover 2;Wherein, if continuous fiber product is unidirectional fibre product, then the continuous fiber formed is made by it Strengthening preliminary-dip piece can be according to angularly 90 ° or 0 ° of machine direction, [90 °/0 °]TOr [0 °/90 °]T、[90°/0°/90°]TOr [0 °/ 90°/0°]T、[90°/0°]2TOr [0 °/90 °]2T、[90°/0°]2sOr [0 °/90 °]2sLaying;

(3)Prepare template:The continuous lod composite cover 2 being simply compounded to form in step 2 is overlayed on into plate core respectively 1 up and down on two surfaces, hot pressing in press is placed in, temperature is 180 DEG C ~ 230 DEG C, and pressure is 10MPa ~ 20MPa, time 2min ~20min;It is cold-pressed after the completion of hot pressing, cold pressing pressure is 10MPa ~ 20MPa, and the cold pressing time is 2min ~ 20min, forms mould Plate, the template for being cold-pressed completion will also be through processes such as supercooling, clipping edge, bound edges.

Embodiment 1:

By growing it is 10mm with the wide direction of length and width face 5 formed, the height of plate core 1 along vertical slats in the present embodiment, its In, lath a6 and lath b3 width are all 2mm, and lath b3 bar number and lath a6 bar number ratio are 2, lath a6 and lath B3 is spliced to form in a manner of docking by more battens adhesive phenolic resin along stave lengths direction respectively, docking angle For θ=90 °, along width of sheet direction, the corresponding same level of adjacent slat uses the side of docking by adhesive phenolic resin Formula is bonded as one, and its docking angle is θ=90 °;Continuous fiber composite strengthening surface layer 2 is by one layer of continuous lod preliminary-dip piece Be made, the machine direction of this layer of continuous lod preliminary-dip piece is identical with the width of plate core 1, continuous lod preliminary-dip piece by Continuous fiber yarn and thermoplastic resin composition's composition, a diameter of 10 μm of continuous fiber, continuous lod composite cover 2 Thickness is 0.4mm, and based on the gross weight of continuous fiber composite strengthening surface layer, the percentage by weight of continuous fiber is 20wt%, continuously The surface density of fiber-reinforced composite surface layer 2 is 300g/m2, the gross weight based on thermoplastic resin composition, vistanex Percentage by weight is 90wt%, the percentage by weight of auxiliary agent is 5wt%, and the percentage by weight of filler is 5wt%, wherein polyolefin tree The melt index of aliphatic radical body is 80g/10min, and the vistanex is polypropylene, and auxiliary agent is antioxidant, containing-NH groups, Filler is calcium carbonate;By template made of the processed technique of the material of above-mentioned parameter, through Mechanics Performance Testing:The quiet Qu Qiang in longitudinal direction Spend for 35MPa, longitudinal modulus of elasticity 2400MPa, bending strength 20MPa, transverse modulus of elasticity 2900MPa;Through The class stripping performance of water resistance I is tested:It is unchanged;Through the vertical fall-down test in 6 meters of high-altitudes:Flawless.

Embodiment 2:

In the present embodiment, lath b3 bar number and lath a6 bar number ratio are 0.75, remaining content and the phase of embodiment 1 Together, through Mechanics Performance Testing:Longitudinal MOR is 36MPa, longitudinal modulus of elasticity 3000MPa, and bending strength is 22MPa, transverse modulus of elasticity 3000MPa;Tested through the class stripping performance of water resistance I:It is unchanged;Vertically fall through 6 meters of high-altitudes Experiment:Flawless.

Embodiment 3:

In the present embodiment, lath b3 bar number and lath a6 bar number ratio are 0.75, continuous fiber composite strengthening surface layer 2 It is made up of one layer of continuous lod preliminary-dip piece, the thickness of continuous lod composite cover 2 is 0.4mm, based on continuous fiber The gross weight of composite strengthening surface layer, the percentage by weight of continuous fiber is 45wt%, and the face of continuous lod composite cover 2 is close Spend for 400g/m2, remaining content is same as Example 1, through Mechanics Performance Testing:Longitudinal MOR is 38MPa, longitudinal elasticity Modulus is 3900MPa, bending strength 25MPa, transverse modulus of elasticity 3500MPa;Surveyed through the class stripping performance of water resistance I Examination:It is unchanged;Through the vertical fall-down test in 6 meters of high-altitudes:Flawless.

Embodiment 4:

In the present embodiment, lath b3 bar number and lath a6 bar number ratio are 0.75, continuous fiber composite strengthening surface layer 2 It is made up of two layers of continuous lod preliminary-dip piece, the ply stacking angle of two layers of continuous lod preliminary-dip piece is [90 °/0 °]TOr [0°/90°]T, wherein the machine direction of one layer of continuous lod preliminary-dip piece is identical with the width of plate core 1, continuous fiber increases The thickness of strong composite cover 2 is 0.8mm, based on the gross weight of continuous fiber composite strengthening surface layer, the weight percent of continuous fiber Than being 750g/m for 45wt%, continuous lod composite cover 2 surface density2, remaining content is same as Example 1, through mechanics Performance test:Longitudinal MOR is 45 MPa, and longitudinal modulus of elasticity 4800MPa, bending strength is 33 MPa, laterally Modulus of elasticity is 3700 MPa;Tested through the class stripping performance of water resistance I:It is unchanged;Through the vertical fall-down test in 6 meters of high-altitudes:Nothing is split Line.

Embodiment 5:

In the present embodiment, lath b3 bar number and lath a6 bar number ratio are 1, continuous fiber composite strengthening surface layer 2 by Two layers of continuous lod preliminary-dip piece is made, and the ply stacking angle of two layers of continuous lod preliminary-dip piece is [90 °/0 °]TOr [0 °/ 90°]T, wherein the machine direction of one layer of continuous lod preliminary-dip piece is identical with the width of plate core 1, continuous lod is multiple The thickness for closing surface layer 2 is 0.8mm, and based on the gross weight of continuous fiber composite strengthening surface layer, the percentage by weight of continuous fiber is 60wt%, the surface density of continuous lod composite cover 2 is 900g/m2, remaining content is same as Example 1, through mechanical property Test:Longitudinal MOR is 52MPa, longitudinal modulus of elasticity 5500MPa, bending strength 40MPa, transverse elasticity mould Measure as 4300MPa;Tested through the class stripping performance of water resistance I:It is unchanged;Through the vertical fall-down test in 6 meters of high-altitudes:Flawless.Implement Example 6:

In the present embodiment, lath b3 bar number and lath a6 bar number ratio are 1.3, continuous fiber composite strengthening surface layer 2 It is made up of three layers of continuous lod preliminary-dip piece, the ply stacking angle of three layers of continuous lod preliminary-dip piece is [90 °/0 °/90 °]T Or [0 °/90 °/0 °]T, wherein the machine direction of one layer of continuous lod preliminary-dip piece is identical with the width of plate core 1, it is continuous fine The thickness of dimension enhancing composite cover 2 is 1mm, based on the gross weight of continuous fiber composite strengthening surface layer, the weight hundred of continuous fiber It is 70wt% to divide ratio, and the surface density of continuous lod composite cover 2 is 1600g/m2, remaining content is same as Example 1, warp Mechanics Performance Testing:Longitudinal MOR is 80MPa, longitudinal modulus of elasticity 7000MPa, bending strength 46MPa, horizontal It is 5500MPa to modulus of elasticity;Tested through the class stripping performance of water resistance I:It is unchanged;Through the vertical fall-down test in 6 meters of high-altitudes:Nothing is split Line.

Embodiment 7:

In the present embodiment, lath b3 bar number and lath a6 bar number ratio are 1.3, continuous fiber composite strengthening surface layer 2 It is made up of four layers of continuous lod preliminary-dip piece, the ply stacking angle of four layers of continuous lod preliminary-dip piece is [90 °/0 °]2TOr [0°/90°]2TOr [90 °/0 °]2sOr [0 °/90 °]2s, wherein the machine direction of two layers of continuous lod preliminary-dip piece and plate core 1 Width is identical, and the thickness of continuous lod composite cover 2 is 1.4mm, based on the total of continuous fiber composite strengthening surface layer Weight, the percentage by weight of continuous fiber is 80wt%, and the surface density of continuous lod composite cover 2 is 2400g/m2, remaining Content is same as Example 1, through Mechanics Performance Testing:Longitudinal MOR is 85MPa, longitudinal modulus of elasticity 7500MPa, horizontal It is 53MPa, transverse modulus of elasticity 6400MPa to MOR;Tested through the class stripping performance of water resistance I:It is unchanged;Through 6 meters The vertical fall-down test in high-altitude:Flawless.

Claims (27)

1. a kind of hot-forming high intensity not delamination template, including plate core(1), and respectively with plate core(1)Upper and lower surface is glued The continuous lod composite cover being integrated(2), it is characterised in that:The plate core(1)Formed by a plurality of wood materials Lath is formed by matrix shape bonding, and lath is rectangular-shape, and the lath is divided into lath a(6)With lath b(3), lath a (6)Length direction it is consistent with the timber direction of growth, lath b(3)Short transverse it is consistent with the timber direction of growth;The company Continuous fiber-reinforced composite surface layer(2)It is made up of one or more layers continuous lod preliminary-dip piece, wherein at least there is one layer of continuous fibre The machine direction and plate core of dimension enhancing preliminary-dip piece(1)Width is identical.
A kind of 2. hot-forming high intensity not delamination template according to claim 1, it is characterised in that:Along vertically Lath is by growing and wide length and width face (5) direction formed, the plate core(1)Highly it is 1mm ~ 300mm.
A kind of 3. hot-forming high intensity not delamination template according to claim 1, it is characterised in that:The lath a (6)With lath b(3)Width be respectively 0.2mm ~ 20mm.
A kind of 4. hot-forming high intensity not delamination template according to claim 3, it is characterised in that:The lath a (6)With lath b(3)Width be respectively 1mm ~ 3mm.
A kind of 5. hot-forming high intensity not delamination template according to claim 1, it is characterised in that:The lath b (3)Bar number and lath a(6)Bar number proportion be 0.1 ~ 2.
A kind of 6. hot-forming high intensity not delamination template according to claim 5, it is characterised in that:The lath b (3)Bar number and lath a(6)Bar number proportion be 0.75 ~ 1.3.
A kind of 7. hot-forming high intensity not delamination template according to claim 1 or 3, it is characterised in that:Lath a (6)With lath b(3)Formed respectively by a root long cube batten;Or lath a(6)With lath b(3)Respectively by more wood Bar is spliced to form adhesive in a manner of mitered or docking along stave lengths direction, miter angles θ<90 °, butt joint corner Spend for θ=90 °.
8. a kind of hot-forming high intensity not delamination template according to claim 1-2 any one, its feature exist In:Along width of sheet direction, the corresponding same level of adjacent slat is bonded as one by way of adhesive is using docking Body, its docking angle are θ=90 °.
A kind of 9. hot-forming high intensity not delamination template according to claim 1, it is characterised in that:The company Continuous fiber-reinforced composite surface layer(2)It is combined by 1 layer ~ 4 layers continuous lod preliminary-dip piece, the continuous lod is answered Close surface layer(2)Thickness is 0.2mm ~ 4mm, surface density 200g/m2 ~3200g/m 2, based on continuous lod composite surface Layer(2)Gross weight, the percentage by weight of continuous fiber is 20wt% ~ 80wt%.
A kind of 10. hot-forming high intensity not delamination template according to claim 9, it is characterised in that:It is described continuous Fiber-reinforced composite surface layer(2)It is combined by 2 layers ~ 4 layers continuous lod preliminary-dip piece;It is compound based on continuous lod Surface layer(2)Gross weight, the percentage by weight of continuous fiber is 45wt% ~ 80wt%.
A kind of 11. hot-forming high intensity not delamination template according to claim 9, it is characterised in that:Described Continuous lod preliminary-dip piece is made up of continuous fiber product and thermoplastic resin composition, and the continuous fiber product is unidirectional Fibre or multidirectional fibre.
A kind of 12. hot-forming high intensity not delamination template according to claim 11, it is characterised in that:By list The continuous lod preliminary-dip piece formed to fibre and thermoplastic resin composition, which is angularly laid, to be integrated, its ply angle Spend for 90 ° or 0 °, [90 °/0 °] T or [0 °/90 °] T, [90 °/0 °/90 °] T or [0 °/90 °/0 °] T, [90 °/0 °] 2T or [0 °/90 °] 2T, [90 °/0 °] 2s or [0 °/90 °] 2s.
A kind of 13. hot-forming high intensity not delamination template according to claim 11 or 12, it is characterised in that :The material of the continuous fiber product is alkali-free glass fibre, medium-alkali glass fibre or high alkali glass fibre, carbon fiber, aramid fiber One or more combinations of fiber, basalt fibre, silicon carbide fibre, a diameter of 5 ~ 20 μm of continuous fiber.
A kind of 14. hot-forming high intensity not delamination template according to claim 11 or 12, it is characterised in that :The unidirectional fibre product is continuous fiber yarn, unidirectional cloth.
A kind of 15. hot-forming high intensity not delamination template according to claim 11, it is characterised in that:It is described more It is continuous fiber felt, continuous fiber grid cloth, plain cloth, twills, satin fabric, braid, shuffling to fibre Fabric, multi-axial fabric, three dimensional fabric.
A kind of 16. hot-forming high intensity not delamination template according to claim 11 or 12, it is characterised in that:Institute State thermoplastic resin composition to be made up of vistanex, auxiliary agent and filler, the gross weight based on thermoplastic resin composition, The percentage by weight of vistanex is 70wt% ~ 100wt%, the percentage by weight of auxiliary agent is 0 ~ 20wt%, the weight hundred of filler It is 0 ~ 10wt% to divide ratio, and wherein the melt index scope of vistanex is 10 ~ 1000g/10min.
A kind of 17. hot-forming high intensity not delamination template according to claim 16, it is characterised in that:It is described Vistanex is one or more in polyethylene, polypropylene and polyethylene reclaimed materials, polypropylene reclaimed material with any ratio Combination.
A kind of 18. hot-forming high intensity not delamination template according to claim 16, it is characterised in that:It is described Auxiliary agent includes one or more combinations in compatilizer, antioxidant, lubricant, anti-dripping agent, plasticizer, coupling agent, fire retardant.
A kind of 19. hot-forming high intensity not delamination template according to claim 16, it is characterised in that:It is described Filler include titanium dioxide, calcium carbonate, mica powder, one or more combinations in toner.
A kind of 20. hot-forming high intensity not delamination template according to claim 18, it is characterised in that:It is described to help Agent is one or more kinds of combinations containing-NH ,-COOH or-OH groups.
A kind of 21. hot-forming high intensity not delamination template according to claim 1, it is characterised in that:The company Continuous fiber-reinforced composite surface layer(2)Not with plate core(1)Surface embossing is provided with cohesive one side or without surface embossing.
A kind of 22. hot-forming high intensity not delamination template according to claim 21, it is characterised in that:The company Continuous fiber-reinforced composite surface layer(2)Not with plate core(1)Surface embossing is provided with cohesive one side, embossing depth bounds is 0.01mm~0.4mm。
A kind of 23. hot-forming high intensity not delamination template according to claim 7, it is characterised in that:It is described gluing Agent is the one or more in polyurethane, epoxy resin, phenolic resin, Lauxite or melamine, and wherein resin contains Gu amount is 15% ~ 65%.
A kind of 24. hot-forming high intensity not delamination template according to claim 8, it is characterised in that:The glue Stick is the one or more in polyurethane, epoxy resin, phenolic resin, Lauxite or melamine, wherein resin Solid content is 15% ~ 65%.
25. a kind of preparation method of hot-forming high intensity not delamination template, it is characterised in that step is:
1)Prepare plate core:Wood materials are fabricated to the lath of rectangular-shape, the lath is divided into lath a(6)With lath b (3), lath a(6)Length direction it is consistent with the timber direction of growth, lath b(3)Short transverse and the timber direction of growth one Cause, lath a(6)With lath b(3)Formed respectively by a root long cube batten, or lath a(6)With lath b(3)Respectively Be spliced to form by more battens adhesive along stave lengths direction in a manner of mitered or docking, its docking angle be θ= 90 °, miter angles θ<90 °, to reach plate core(1)Length dimension requirement;Along width of sheet direction:Between adjacent slat It is bonded as one by adhesive in the form of docking, docking angle is θ=90 °, to reach plate core(1)Width dimensions requirement, Ultimately form the plate core highly consistent with lath(1);
2)Prepare continuous lod composite cover:Continuous fiber product is passed through in resin melt, after being sufficiently impregnated, through cold But, cutting winding, continuous lod preliminary-dip piece is formed;Will be continuous made of unidirectional fibre product or multidirectional fibre Fiber reinforcement preliminary-dip piece is laid successively to be integrated, and wherein at least has the machine direction and plate core of one layer of continuous lod preliminary-dip piece Width is identical, and simple compound, formation continuous fiber is carried out with ultrasonic welding device to multilayer continuous lod preliminary-dip piece Strengthen composite cover(2);
3)Prepare template:The continuous lod composite cover being simply compounded to form in step 2(2)Plate core is overlayed on respectively (1)Up and down on two surfaces, be placed in hot pressing in press, temperature is 180 DEG C ~ 230 DEG C, and pressure is 10MPa ~ 20MPa, the time For 2min ~ 20min;Be cold-pressed after the completion of hot pressing, cold pressing pressure is 10MPa ~ 20MPa, the cold pressing time be 2min ~ 20min, form template.
26. a kind of preparation method of hot-forming high intensity not delamination template according to claim 25, its feature exist In:The adhesive be one kind in polyurethane, epoxy resin, phenolic resin, Lauxite or melamine or it is a kind of with On, wherein resin solid content is 15% ~ 65%.
27. a kind of preparation method of hot-forming high intensity not delamination template according to claim 25, its feature It is:In step 2 made of unidirectional fibre product its laying angle of continuous lod preliminary-dip piece can be 90 ° or 0 °, [90 °/0 °] T or [0 °/90 °] T, [90 °/0 °/90 °] T or [0 °/90 °/0 °] T, [90 °/0 ° ] 2T or [0 °/90 °] 2T, [90 °/0 °] 2s or [0 °/90 °] 2s.
CN201510513728.9A 2015-08-20 2015-08-20 A kind of hot-forming high intensity not delamination template and preparation method thereof CN105201200B (en)

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CN103921511A (en) * 2013-01-11 2014-07-16 辽宁辽杰科技有限公司 Continuous fiber reinforced polypropylene sandwich plate and preparation method thereof
GB2511746A (en) * 2013-03-11 2014-09-17 Gurit Uk Ltd Balsawood cores for composite material sandwich panels
CN104802228A (en) * 2014-01-27 2015-07-29 上海杰事杰新材料(集团)股份有限公司 Reinforced plastic composite base plate, preparation method and application thereof
CN205153524U (en) * 2015-08-20 2016-04-13 广州金发碳纤维新材料发展有限公司 Hot briquetting's not delaminating of high strength template

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224315A (en) * 1987-04-27 1993-07-06 Winter Amos G Iv Prefabricated building panel having an insect and fungicide deterrent therein
JPH11240001A (en) * 1998-02-24 1999-09-07 Daiken Trade & Ind Co Ltd Wood composite board
CN200963853Y (en) * 2006-10-26 2007-10-24 王义和 Synthetic solid wood plate
CN102127964A (en) * 2011-01-05 2011-07-20 江苏奇一科技有限公司 Building template reinforced by composite of continuous fiber plastic coated belt material and preparation method thereof
CN103921511A (en) * 2013-01-11 2014-07-16 辽宁辽杰科技有限公司 Continuous fiber reinforced polypropylene sandwich plate and preparation method thereof
GB2511746A (en) * 2013-03-11 2014-09-17 Gurit Uk Ltd Balsawood cores for composite material sandwich panels
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CN205153524U (en) * 2015-08-20 2016-04-13 广州金发碳纤维新材料发展有限公司 Hot briquetting's not delaminating of high strength template

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