CN105201200A - High-strength non-delaminating template based on hot press molding and preparation method of high-strength non-delaminating template - Google Patents
High-strength non-delaminating template based on hot press molding and preparation method of high-strength non-delaminating template Download PDFInfo
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- CN105201200A CN105201200A CN201510513728.9A CN201510513728A CN105201200A CN 105201200 A CN105201200 A CN 105201200A CN 201510513728 A CN201510513728 A CN 201510513728A CN 105201200 A CN105201200 A CN 105201200A
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- Prior art keywords
- lath
- hot
- delamination
- high strength
- plate core
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Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000000465 moulding Methods 0.000 title abstract 2
- 239000000835 fiber Substances 0.000 claims abstract description 73
- 239000002023 wood Substances 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims description 55
- 230000032798 delamination Effects 0.000 claims description 30
- 238000003032 molecular docking Methods 0.000 claims description 24
- -1 polyethylene Polymers 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 230000001070 adhesive effect Effects 0.000 claims description 16
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- 239000011347 resin Substances 0.000 claims description 12
- 239000012752 auxiliary agent Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000004049 embossing Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 239000011342 resin composition Substances 0.000 claims description 10
- 229920005992 thermoplastic resin Polymers 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 9
- 239000003063 flame retardant Substances 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 239000007822 coupling agent Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 229920001568 phenolic resin Polymers 0.000 claims description 7
- 239000005011 phenolic resin Substances 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 229920000877 Melamine resin Polymers 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 claims description 6
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
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- 239000007787 solid Substances 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
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- 150000001875 compounds Chemical class 0.000 claims description 3
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- 239000000843 powder Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229920002748 Basalt fiber Polymers 0.000 claims description 2
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 210000000051 wattle Anatomy 0.000 abstract 4
- 238000012360 testing method Methods 0.000 description 21
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- 239000002344 surface layer Substances 0.000 description 16
- 238000005728 strengthening Methods 0.000 description 12
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- 239000004831 Hot glue Substances 0.000 description 4
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
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- 241001330002 Bambuseae Species 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
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- 239000011425 bamboo Substances 0.000 description 3
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- FGHOOJSIEHYJFQ-UHFFFAOYSA-N (2,4-ditert-butylphenyl) dihydrogen phosphite Chemical compound CC(C)(C)C1=CC=C(OP(O)O)C(C(C)(C)C)=C1 FGHOOJSIEHYJFQ-UHFFFAOYSA-N 0.000 description 1
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- DGZQEAKNZXNTNL-UHFFFAOYSA-N 1-bromo-4-butan-2-ylbenzene Chemical class CCC(C)C1=CC=C(Br)C=C1 DGZQEAKNZXNTNL-UHFFFAOYSA-N 0.000 description 1
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
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- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 description 1
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000008431 aliphatic amides Chemical class 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
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- 239000004327 boric acid Substances 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
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- 150000001649 bromium compounds Chemical group 0.000 description 1
- HJCMMOODWZOXML-UHFFFAOYSA-N bromo hypobromite Chemical compound BrOBr HJCMMOODWZOXML-UHFFFAOYSA-N 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
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- 229910052804 chromium Inorganic materials 0.000 description 1
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- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 1
- UAMZXLIURMNTHD-UHFFFAOYSA-N dialuminum;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mg+2].[Al+3].[Al+3] UAMZXLIURMNTHD-UHFFFAOYSA-N 0.000 description 1
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- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
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- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
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- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention provides a high-strength non-delaminating template based on hot press molding and a preparation method of the high-strength non-delaminating template. Since the length direction of a wattle is consistent with the growth direction of wood, and the height direction of a wattle is consistent with the growth direction of the wood, so that a plate core is respectively consistent with axial tube cells in the growth direction of the wood along the height direction of the long wide surface of the vertical wattle and the length direction of the wattle and is less in deformation, so that a delaminating phenomenon does not occur to the interior of the processed plate core, the processed plate core is high in modulus, and the formed template is free from warping deformation; since continuous fiber directions of adjacent continuous fiber reinforced preimpregnation slices are laid in a staggered manner, the fiber direction of at least one layer of continuous fiber reinforced preimpregnation slices is the same as the width direction of the plate core, so that the longitudinal and transverse mechanical properties of the template can be enhanced at the same time.
Description
Technical field
The present invention relates to construction formwork field, particularly continuous lod construction formwork field.
Background technology
The template adopted in building operations is punching block, wooden model, bamboo mould, plastic formwork etc., wherein, although punching block is firm, and recycle often, but it is expensive, not corrosion-resistant easy get rusty, simultaneously, punching block weight is large, not only transports inconvenience, in work progress, also there is larger potential safety hazard; At present, using maximum in building operations is wooden form or Bamboo Formwork, and this class template is lightweight, is convenient to transport, and its low price, but this kind of template strength is low, not corrosion-resistant, infiltration is rear easy to crack, and the demoulding is difficult, recycles number of times little, be less than 5 times, in addition, this class template is large to Wood demand, causes very big destruction to environment.In recent years, for the defect solving above-mentioned punching block, wooden model, bamboo mould exist as template, a lot of novel plastic template has been there is in industry, as Wood-plastic formwork, GMT template, hollow plastic formwork, foaming PVC template etc., but these templates is expensive, improve building operations cost, and all there is the shortcomings such as intensity is low, poor rigidity, yielding, weatherability is poor, recycle number of times low, about 10 times can only be used.
For solving the defect that above-mentioned template is brought, patent 201110000869.2 discloses a kind of building template reinforced by composite of continuous fiber plastic coated belt material and preparation method thereof, which employs wooden oriented wood chipboard as plate core, solar absorber surface and the enhancing surface layer be made up of 2 ~ 4 layers of continuous fiber plastic coated belt material are together with double-side hot-melt adhesive film heat pressure adhesive, thus make enhancing construction formwork, the hot melt adhesive film one side used is acrylic resin, another side resin is maleic anhydride modified acrylic resin, rely on hot melt adhesive film adhesive sheet core and strengthen surface layer and there is two problems: 1, hot melt adhesive film is expensive, considerably increase building operations cost, 2, the viscose glue preparing wooden oriented wood chipboard is generally thermosetting glue, with PUR bonding and insecure, can there is the phenomenon of foaming, bulge in Long-Time Service, cause the rapid drawdown of template performance.In addition, because shaving board is a kind of flakeboard, although cover fiber reinforcement surface layer on its surface, but still can there is the problem of rigidity deficiency, stratification can occur in its shaving board, cause template strength to be deteriorated, application life shortens.
Another patent 201310422446.9 discloses a kind of construction formwork laminate and manufacture method thereof, described plate core is common fast growing wood veneer, wooden flake board or density fiber board, described enhancing surface layer is the fiber reinforced thermolplastic plate that one side is covered with non-woven fabrics, by glue, the non-woven fabrics and plate core that strengthen facing surface are bonded together, described fiber reinforced thermolplastic plate is that continuous fiber reinforced thermoplastic prepreg and short fiber strengthen thermoplasticity prepreg feed back and lay and form, if the plate core used is fast growing wood veneer, then need the veneer of larger fabric width, just can be processed into the template of high rigidity, processed complex, cost is high, if use shaving board or density fiber board as plate core, then its mechanical strength is inadequate, easily there is stratification in plate in-core.
Summary of the invention
The present invention aims to provide the not delamination of a kind of high strength, the good and easy demoulding of water corrosion resistant performance, resists to fall and fall the good building form of destructive characteristics, and the preparation method of preparation this kind of building form that processing method is simple, production efficiency is high.
A kind of hot-forming high strength not delamination template of the present invention, comprise plate core, and the continuous lod composite cover of one is bonded as respectively with plate core upper and lower surface, the lath that described plate core is formed by many wood materials forms by matrix shape is bonding, lath is rectangular-shaped, described lath is divided into lath a and lath b, and the length direction of lath a is consistent with wood grows direction, and the short transverse of lath b is consistent with wood grows direction; Described continuous lod composite cover is made up of one or more layers continuous lod preliminary-dip piece, wherein has at least the machine direction of one deck continuous lod preliminary-dip piece identical with plate core width.
The preparation method of a kind of hot-forming high strength not delamination template of the present invention, the steps include:
1) plate core is prepared: wood materials is made into rectangular-shaped lath, described lath is divided into lath a and lath b, the length direction of lath a is consistent with wood grows direction, the short transverse of lath b is consistent with wood grows direction, lath a and lath b is formed by a cuboid batten respectively, or lath a and lath b is spliced to form along stave lengths direction in the mode of mitered or docking by adhesive layer by many battens respectively, its docking angle is θ=90 °, miter angles is θ <90 °, to reach the requirement of plate core length dimension; Along width of sheet direction: be bonded as one with the form of docking by adhesive layer between adjacent slat, docking angle is θ=90 °, to reach the requirement of plate core width dimensions, the plate core that final formation is consistent with lath height;
2) prepare continuous lod composite cover: by continuous fiber goods through in resin melt, fully after dipping, through cooling, cutting rolling, form continuous lod preliminary-dip piece; The continuous lod preliminary-dip piece be made up of unidirectional fibre goods or multidirectional fibre is laid in successively one, wherein have at least the machine direction of one deck continuous lod preliminary-dip piece identical with plate core width, simple and easy compound is carried out to multilayer continuous lod preliminary-dip piece ultrasonic welding device, forms continuous lod composite cover;
3) prepare template: the continuous lod composite cover be compounded to form simple and easy in step 2 is overlayed on respectively plate core up and down two on the surface, be placed in press hot pressing, temperature is 180 DEG C ~ 230 DEG C, and pressure is 10MPa ~ 20MPa, and the time is 2min ~ 20min; Hot pressing is colded pressing after completing, and pressure of colding pressing is 10MPa ~ 20MPa, and the time of colding pressing is 2min ~ 20min, forms template.
A kind of hot-forming high strength not delamination template of the present invention and preparation method thereof, template by plate core and be bonded as with plate core upper and lower surface respectively one continuous lod composite cover form, wherein, plate core is spliced by the length direction lath a consistent with wood grows direction and short transverse and the consistent lath b in wood grows direction and forms, therefore, can make plate core along the short transverse in vertical slats length and width face and the length direction of lath consistent with the tube axial cell in wood grows direction respectively, not only can play the effect of abundant impregnating resin and mechanical support simultaneously, plate core can also be made on vertical direction and horizontal direction, all to have high mechanical property and be out of shape little, the plate core inner machined is made to there will not be stratification, there is high-modulus, the template formed can not buckling deformation, in addition, the plate core of this kind of template, its size to material, material are less demanding, and without the need to the veneer of larger wide cut, the natural defect of material, processing familiar lacunas are on the performance of final finished without impact, and therefore, processing cost is low, continuous fiber direction due to adjacent continuous fiber reinforcement preliminary-dip piece is staggered lays, wherein have at least the machine direction of one deck continuous lod preliminary-dip piece identical with plate core width, therefore can strengthen the mechanical property that template is longitudinal and horizontal simultaneously, the mechanical property of template can be improved by this kind of continuous lod composite cover, make template have lightweight, intensity is high, the performance of waterproof anticorrosion, the easily demoulding, recycle often, more than hundred times can be reached, substantially increase the application life of construction formwork, reduce single use cost, and can be recycled often due to this kind of template, therefore, decrease the destruction to forest, significantly reduce resource loss rate.
Accompanying drawing explanation
Fig. 1 is trunk tangent plane schematic diagram of the present invention.
Fig. 2 is lath a structural representation of the present invention (length direction is consistent with wood grows direction, and L is for long, and H is high, and W is wide).
Fig. 3 is lath b structural representation of the present invention (short transverse is consistent with wood grows direction, and L is for long, and H is high, and W is wide).
Fig. 4 is formwork structure schematic diagram of the present invention (continuous lod composite cover and plate core are peeled off).
Fig. 5 is template cross section structure schematic diagram of the present invention.
Detailed description of the invention
A kind of hot-forming high strength not delamination template, as shown in Figures 1 to 5, comprise plate core 1, and the continuous lod composite cover 2 of one is bonded as respectively with plate core 1 upper and lower surface, the lath that described plate core 1 is formed by many wood materials forms by matrix shape is bonding, and lath is rectangular-shaped, and described lath is divided into lath a6 and lath b3, the length direction of lath a6 is consistent with wood grows direction, and the short transverse of lath b3 is consistent with wood grows direction; Described continuous lod composite cover 2 is made up of one or more layers continuous lod preliminary-dip piece, wherein has at least the machine direction of one deck continuous lod preliminary-dip piece identical with plate core 1 width.
Along vertical slats by growing and the wide direction, length and width face 5 formed, described plate core 1 is highly 1 ~ 300mm, can give full play to the mechanical property of plate core 1.
The width of described lath a6 and lath b3 is respectively 0.2 ~ 20mm, preferably 1 ~ 3mm, effectively can ensure that the plate core 1 made has excellent mechanical property.
Described lath b3 number and the number proportion of lath a6 be 0.1 ~ 2, preferably 0.75 ~ 1.3, ensure that the plate core 1 be spliced to form by lath has excellent mechanical property.
Lath a6 and lath b3 is formed by a cuboid batten respectively; Or lath a6 and lath b3 is spliced to form along stave lengths direction in the mode of mitered or docking by bonding adhesive by many battens respectively, miter angles is θ <90 °, docking angle is θ=90 °, thus ensure that bond area is large, when bearing shearing force, stress distribution is even, and supporting capacity is high, and the stress that mitered mode can effectively avoid fault in seam to cause is concentrated.
Along plate core 1 width, the same level of the correspondence of adjacent slat adopts the mode of docking to be bonded as one by bonding adhesive, and its docking angle is θ=90 °, is easy to processing.
Described continuous lod composite cover 2 is composited by 1 ~ 4 layer of continuous lod preliminary-dip piece, preferably 2 ~ 4 layers of continuous lod preliminary-dip piece, and described continuous lod composite cover 2 thickness is 0.2mm ~ 4mm, and surface density is 200g/m
2~ 3200g/m
2, based on the gross weight of continuous lod composite cover, the percentage by weight of continuous fiber is 20wt% ~ 80wt%, preferred 45wt% ~ 80wt%, effectively ensures to strengthen the longitudinal and horizontal mechanical property of template.
Described continuous lod preliminary-dip piece is made up of continuous fiber goods and thermoplastic resin composition, described continuous fiber goods are unidirectional fibre goods or multidirectional fibre, the continuous lod preliminary-dip piece be made up of unidirectional fibre goods and thermoplastic resin composition is angularly laid in one, 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, effectively can strengthen the mechanical property of continuous lod composite cover 2.The material of described continuous fiber goods is one or more combinations of alkali-free glass fibre, medium-alkali glass fibre or high alkali glass fibre, carbon fiber, aramid fiber, basalt fibre, silicon carbide fibre, continuous fiber diameter is 5 ~ 20 μm, preferred alkali-free glass fibre goods, described unidirectional fibre goods are continuous fiber yarn, unidirectional cloth, and described multidirectional fibre is continuous fiber felt, continuous fiber grid cloth, plain cloth, twills, satin fabric, braid, blended fabric, multi-axial fabric, three dimensional fabric etc.Described thermoplastic resin composition is made up of vistanex, auxiliary agent and filler, based on the gross weight of thermoplastic resin composition, the percentage by weight of vistanex is 70wt% ~ 100wt%, the percentage by weight of auxiliary agent is 0 ~ 20wt%, the percentage by weight of filler is 0 ~ 10wt%, wherein the melt index scope of vistanex is 10 ~ 1000g/10min, contribute to resin in this melting means scope fully to flood fibre, improve the interface performance of composite material, make the continuous lod composite cover that processes and plate core have comparatively high bond strength; Described vistanex be in polyethylene, polypropylene and polyethylene reclaimed materials, polypropylene reclaimed material one or more with arbitrarily than combination, this kind of resin system is nonpolar or low polar resin, waterproof and the easily demoulding.Described auxiliary agent comprises one or more combinations in the functional additives such as compatilizer, antioxidant, sliding agent, anti-dripping agent, plasticizing agent, coupling agent, fire retardant.Described compatilizer is selected from one or more combinations of maleic anhydride grafted PP, NCO graft modification polypropylene or acrylic ester grafted modified polypropene.Described antioxidant is selected from 2; 6-tri-grades of butyl-4-methylphenols, N; N '-bis--(3-(3; 5-di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine, four (β-(3; 5-di-tert-butyl-hydroxy phenyl) propionic acid) one or more in pentaerythritol ester, three (2.4-di-tert-butyl-phenyl) phosphite ester, two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether or thio-2 acid dibasic acid esters.Described sliding agent be selected from saturated hydrocarbons (atoleine, solid paraffin, microlite cerate low molecular weight polyethylene (molecular weight 1000 ~ 10000), chlorinated paraffin wax, OPE etc.), metal soap (calcium stearate, lead stearate etc.), aliphatic amide (ethyl two hard acid amides, N, N ethylenebis ricinoleic acid amide etc.), fatty acid (stearic acid etc.), fatty acid ester (butyl stearate, glycerin monostearate etc.) and aliphatic alcohols one or more.Described anti-dripping agent be selected from pure powder type or cladded type fluorine class anti-dripping agent one or more.Described plasticizing agent is selected from phthalic acid ester, phosphate, fatty group dibasic acid, polyol ester, epoxide etc.Described coupling agent be selected from the coupling agent etc. of silane coupler, titanate coupling agent, aluminate coupling agent, bimetallic coupling agent, phosphate coupling agent, boric acid ester coupler, chromium complex and other higher fatty acids, alcohol, ester one or more.Described fire retardant is selected from bromide fire retardant (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 (stibate, the antimonides such as antimony oxide) high purity alumina-magnesia fire retardant (magnesium hydroxide, aluminium hydroxide etc.), phosphorus flame retardant (red phosphorus, hypophosphites, phosphate etc.), nitrogenated flame retardant (melamine polyphosphate, Quadrafos, melamine cyanurate etc.), Firebrake ZB, sulfonate, one or more in silicon system flame-retardant system.Described auxiliary agent contains one or more combinations of the groups such as-NH ,-COOH or-OH, can form hydrogen bond or covalent bond with the-OH of timber, improves the adhesive property with plate core.Described filler comprises one or more combinations in the fillers such as titanium dioxide, calcium carbonate, mica powder, toner.
The one side that described continuous lod composite cover 2 does not bond with plate core 1 is provided with surperficial embossing or without surperficial embossing, if without surperficial embossing, then mainly as the structure mold of concreting, low and the ganoid concrete products of porosity is obtained after the demoulding, without the need to post processing, easy form removal, easy construction; If there is surperficial embossing, then be mainly used in concreting body of wall, embossing depth bounds is 0.01mm ~ 0.4mm, and this embossing degree of depth can to accelerate in concrete moisture fast transferring to top layer, form coarse pitted skin surface after form removal, contribute to carrying out mortar or processing of plastering to body of wall.
Described bonding adhesive is one or more in polyurethane, epoxy resin, phenolic resins, Lauxite or melamine, and wherein resin solid content is 15% ~ 65%.
A preparation method for hot-forming high strength not delamination template, the steps include:
(1) plate core is prepared: wood materials is made into rectangular-shaped lath, described lath is divided into lath a6 and lath b3, the length direction of lath a6 is consistent with wood grows direction, the short transverse of lath b3 is consistent with wood grows direction, lath a6 and lath b3 is formed by a cuboid batten respectively, or lath a6 and lath b3 is spliced to form along stave lengths direction in the mode of mitered or docking by bonding adhesive by many battens respectively, its docking angle is θ=90 °, miter angles is θ <90 °, to reach the requirement of plate core 1 length dimension; Along width of sheet direction: be bonded as one with the form of docking by bonding adhesive between adjacent slat, docking angle is θ=90 °, to reach the requirement of plate core 1 width dimensions, the plate core 1 that final formation is consistent with lath height; During splicing, two seams in the horizontal at least stagger 200mm, cavity sawdusts all on sheets thus obtained core and polyurethane glue adjust mixed after fill up, carry out drying after hole repairing, obtain dried plate core, dried plate core is placed on sander and carries out two-sided fixed thick sanding; Described bonding adhesive is one or more in polyurethane, epoxy resin, phenolic resins, Lauxite or melamine, and wherein resin solid content is 15% ~ 65%, because the pH value of timber is in 4 ~ 7 scopes, therefore, and preferred phenolic resin glue or melamine glue;
(2) prepare continuous lod composite cover: by continuous fiber goods through in resin melt, fully after dipping, through cooling, cutting rolling, form continuous lod preliminary-dip piece; The continuous lod preliminary-dip piece be made up of unidirectional fibre goods or multidirectional fibre is laid in successively one, wherein have at least the machine direction of one deck continuous lod preliminary-dip piece identical with plate core width, simple and easy compound is carried out to multilayer continuous lod preliminary-dip piece ultrasonic welding device, forms continuous lod composite cover 2; Wherein, if continuous fiber goods are unidirectional fibre goods, then making by it the continuous lod preliminary-dip piece that formed can according to machine direction angularly 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 °]
2slay;
(3) prepare template: the continuous lod composite cover 2 be compounded to form simple and easy in step 2 is overlayed on respectively plate core 1 up and down two on the surface, be placed in press hot pressing, temperature is 180 DEG C ~ 230 DEG C, and pressure is 10MPa ~ 20MPa, and the time is 2min ~ 20min; Hot pressing is colded pressing after completing, and pressure of colding pressing is 10MPa ~ 20MPa, and the time of colding pressing is 2min ~ 20min, and form template, the template of having colded pressing also will through operations such as supercooling, clipping edge, bound edges.
Embodiment 1:
In the present embodiment, along vertical slats by growing and the wide direction, length and width face 5 formed, described plate core 1 is highly 10mm, wherein, the width of lath a6 and lath b3 is all 2mm, the number of lath b3 and the number ratio of lath a6 are 2, lath a6 and lath b3 is spliced to form along stave lengths direction in the mode of docking by adhesive phenolic resin by many battens respectively, docking angle is θ=90 °, along width of sheet direction, the same level of the correspondence of adjacent slat adopts the mode of docking to be bonded as one by adhesive phenolic resin, and its docking angle is θ=90 °; Continuous fiber composite strengthening surface layer 2 is made up of one deck continuous lod preliminary-dip piece, the machine direction of this layer of continuous lod preliminary-dip piece is identical with plate core 1 width, continuous lod preliminary-dip piece is made up of continuous fiber yarn and thermoplastic resin composition, the diameter of continuous fiber is 10 μm, the thickness of continuous lod composite cover 2 is 0.4mm, based on the gross weight of continuous fiber composite strengthening surface layer, the percentage by weight of continuous fiber is 20wt%, and the surface density of continuous lod composite cover 2 is 300g/m
2based on the gross weight of thermoplastic resin composition, the percentage by weight of vistanex is 90wt%, the percentage by weight of auxiliary agent is 5wt%, the percentage by weight of filler is 5wt%, wherein the melt index of vistanex matrix is 80g/10min, and described vistanex is polypropylene, and auxiliary agent is antioxidant, containing-NH group, filler is calcium carbonate; By the template that the material of above-mentioned parameter is made through processing technology, through Mechanics Performance Testing: longitudinal MOR is 35MPa, longitudinal modulus of elasticity is 2400MPa, and bending strength is 20MPa, and transverse modulus of elasticity is 2900MPa; Test through water resistance I class stripping performance: unchanged; Through 6 meters of vertical fall-down tests in high-altitude: flawless.
Embodiment 2:
In the present embodiment, the number of lath b3 and the number ratio of lath a6 are 0.75, and all the other contents are identical with embodiment 1, through Mechanics Performance Testing: longitudinal MOR is 36MPa, longitudinal modulus of elasticity is 3000MPa, and bending strength is 22MPa, and transverse modulus of elasticity is 3000MPa; Test through water resistance I class stripping performance: unchanged; Through 6 meters of vertical fall-down tests in high-altitude: flawless.
Embodiment 3:
In the present embodiment, the number of lath b3 and the number ratio of lath a6 are 0.75, continuous fiber composite strengthening surface layer 2 is made up of one deck continuous lod preliminary-dip piece, the thickness of continuous lod composite cover 2 is 0.4mm, based on the gross weight of continuous fiber composite strengthening surface layer, the percentage by weight of continuous fiber is 45wt%, and the surface density of continuous lod composite cover 2 is 400g/m
2, all the other contents are identical with embodiment 1, through Mechanics Performance Testing: longitudinal MOR is 38MPa, and longitudinal modulus of elasticity is 3900MPa, and bending strength is 25MPa, and transverse modulus of elasticity is 3500MPa; Test through water resistance I class stripping performance: unchanged; Through 6 meters of vertical fall-down tests in high-altitude: flawless.
Embodiment 4:
In the present embodiment, the number of lath b3 and the number ratio of lath a6 are 0.75, and continuous fiber composite strengthening surface layer 2 is made up of two-layer continuous lod preliminary-dip piece, and the ply stacking angle of two-layer continuous lod preliminary-dip piece is [90 °/0 °]
tor [0 °/90 °]
twherein the machine direction of one deck continuous lod preliminary-dip piece is identical with plate core 1 width, the thickness of continuous lod composite cover 2 is 0.8mm, based on the gross weight of continuous fiber composite strengthening surface layer, the percentage by weight of continuous fiber is 45wt%, and the surface density of continuous lod composite cover 2 is 750g/m
2, all the other contents are identical with embodiment 1, through Mechanics Performance Testing: longitudinal MOR is 45MPa, and longitudinal modulus of elasticity is 4800MPa, and bending strength is 33MPa, and transverse modulus of elasticity is 3700MPa; Test through water resistance I class stripping performance: unchanged; Through 6 meters of vertical fall-down tests in high-altitude: flawless.
Embodiment 5:
In the present embodiment, the number of lath b3 and the number ratio of lath a6 are 1, and continuous fiber composite strengthening surface layer 2 is made up of two-layer continuous lod preliminary-dip piece, and the ply stacking angle of two-layer continuous lod preliminary-dip piece is [90 °/0 °]
tor [0 °/90 °]
twherein the machine direction of one deck continuous lod preliminary-dip piece is identical with plate core 1 width, the thickness of continuous lod composite cover 2 is 0.8mm, based on the gross weight of continuous fiber composite strengthening surface layer, the percentage by weight of continuous fiber is 60wt%, and the surface density of continuous lod composite cover 2 is 900g/m
2, all the other contents are identical with embodiment 1, through Mechanics Performance Testing: longitudinal MOR is 52MPa, and longitudinal modulus of elasticity is 5500MPa, and bending strength is 40MPa, and transverse modulus of elasticity is 4300MPa; Test through water resistance I class stripping performance: unchanged; Through 6 meters of vertical fall-down tests in high-altitude: flawless.Embodiment 6:
In the present embodiment, the number of lath b3 and the number ratio of lath a6 are 1.3, and continuous fiber composite strengthening surface layer 2 is made up of three layers of continuous lod preliminary-dip piece, and the ply stacking angle of three layers of continuous lod preliminary-dip piece is [90 °/0 °/90 °]
tor [0 °/90 °/0 °]
twherein the machine direction of one deck continuous lod preliminary-dip piece is identical with plate core 1 width, the thickness of continuous lod composite cover 2 is 1mm, based on the gross weight of continuous fiber composite strengthening surface layer, the percentage by weight of continuous fiber is 70wt%, and the surface density of continuous lod composite cover 2 is 1600g/m
2, all the other contents are identical with embodiment 1, through Mechanics Performance Testing: longitudinal MOR is 80MPa, and longitudinal modulus of elasticity is 7000MPa, and bending strength is 46MPa, and transverse modulus of elasticity is 5500MPa; Test through water resistance I class stripping performance: unchanged; Through 6 meters of vertical fall-down tests in high-altitude: flawless.
Embodiment 7:
In the present embodiment, the number of lath b3 and the number ratio of lath a6 are 1.3, and continuous fiber composite strengthening surface layer 2 is made up of four layers of continuous lod preliminary-dip piece, and 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 °]
2swherein the machine direction of two-layer continuous lod preliminary-dip piece is identical with plate core 1 width, the thickness of continuous lod composite cover 2 is 1.4mm, based on the gross weight of continuous fiber composite strengthening surface layer, the percentage by weight of continuous fiber is 80wt%, and the surface density of continuous lod composite cover 2 is 2400g/m
2, all the other contents are identical with embodiment 1, through Mechanics Performance Testing: longitudinal MOR is 85MPa, and longitudinal modulus of elasticity is 7500MPa, and bending strength is 53MPa, and transverse modulus of elasticity is 6400MPa; Test through water resistance I class stripping performance: unchanged; Through 6 meters of vertical fall-down tests in high-altitude: flawless.
Claims (23)
1. a hot-forming high strength not delamination template, comprise plate core (1), and the continuous lod composite cover (2) of one is bonded as respectively with plate core (1) upper and lower surface, it is characterized in that: the lath that described plate core (1) is formed by many wood materials forms by matrix shape is bonding, lath is rectangular-shaped, described lath is divided into lath a(6) and lath b(3), lath a(6) length direction consistent with wood grows direction, lath b(3) short transverse consistent with wood grows direction; Described continuous lod composite cover (2) is made up of one or more layers continuous lod preliminary-dip piece, wherein has at least the machine direction of one deck continuous lod preliminary-dip piece identical with plate core (1) width.
2. a kind of hot-forming high strength not delamination template according to claim 1, is characterized in that: along vertical slats by growing and wide length and width face (5) direction formed, described plate core (1) is highly 1 ~ 300mm.
3. a kind of hot-forming high strength not delamination template according to claim 1, is characterized in that: described lath a(6) and lath b(3) width be respectively 0.2 ~ 20mm, preferably 1 ~ 3mm.
4. a kind of hot-forming high strength not delamination template according to claim 1, is characterized in that: described lath b(3) number and lath a(6) number proportion be 0.1 ~ 2, preferably 0.75 ~ 1.3.
5. a kind of hot-forming high strength not delamination template according to claim 1 or 3, is characterized in that: lath a(6) and lath b(3) formed by a cuboid batten respectively; Or lath a(6) and lath b(3) be spliced to form along stave lengths direction in the mode of stick mitered or docking by glue by many battens respectively, miter angles is θ <90 °, and docking angle is θ=90 °.
6. a kind of hot-forming high strength not delamination template according to claim 1-2 any one, it is characterized in that: along width of sheet direction, the same level of the correspondence of adjacent slat adopts the mode of docking to be bonded as one by bonding adhesive, and its docking angle is θ=90 °.
7. a kind of hot-forming high strength not delamination template according to claim 1, it is characterized in that: described continuous lod composite cover (2) is composited by 1 ~ 4 layer of continuous lod preliminary-dip piece, preferably 2 ~ 4 layers of continuous lod preliminary-dip piece, described continuous lod composite cover (2) thickness is 0.2mm ~ 4mm, and surface density is 200g/m
2~ 3200g/m
2, based on the gross weight of continuous lod composite cover (2), the percentage by weight of continuous fiber is 20wt% ~ 80wt%, preferred 45wt% ~ 80wt%.
8. a kind of hot-forming high strength not delamination template according to claim 7, it is characterized in that: described continuous lod preliminary-dip piece is made up of continuous fiber goods and thermoplastic resin composition, described continuous fiber goods are unidirectional fibre goods or multidirectional fibre.
9. a kind of hot-forming high strength not delamination template according to claim 8, it is characterized in that: the continuous lod preliminary-dip piece be made up of unidirectional fibre goods and thermoplastic resin composition is angularly laid in one, 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.
10. a kind of hot-forming high strength not delamination template according to claim 8 or claim 9, it is characterized in that: the material of described continuous fiber goods is one or more combinations of alkali-free glass fibre, medium-alkali glass fibre or high alkali glass fibre, carbon fiber, aramid fiber, basalt fibre, silicon carbide fibre, and continuous fiber diameter is 5 ~ 20 μm.
11. hot-forming a kind of high strength not delamination templates according to claim 8 or claim 9, is characterized in that: described unidirectional fibre goods are continuous fiber yarn, unidirectional cloth.
12. hot-forming a kind of high strength not delamination templates according to claim 8, is characterized in that: described multidirectional fibre is continuous fiber felt, continuous fiber grid cloth, plain cloth, twills, satin fabric, braid, blended fabric, multi-axial fabric, three dimensional fabric.
13. a kind of hot-forming high strength not delamination templates according to claim 8 or claim 9, it is characterized in that: described thermoplastic resin composition is made up of vistanex, auxiliary agent and filler, based on the gross weight of thermoplastic resin composition, the percentage by weight of vistanex is 70wt% ~ 100wt%, the percentage by weight of auxiliary agent is 0 ~ 20wt%, the percentage by weight of filler is 0 ~ 10wt%, and wherein the melt index scope of vistanex is 10 ~ 1000g/10min.
14. a kind of hot-forming high strength not delamination templates according to claim 13, is characterized in that: described vistanex be in polyethylene, polypropylene and polyethylene reclaimed materials, polypropylene reclaimed material one or more with arbitrarily than combination.
15. a kind of hot-forming high strength not delamination templates according to claim 13, is characterized in that: described auxiliary agent comprises one or more combinations in compatilizer, antioxidant, sliding agent, anti-dripping agent, plasticizing agent, coupling agent, fire retardant.
16. a kind of hot-forming high strength not delamination templates according to claim 13, is characterized in that: described filler comprises one or more combinations in titanium dioxide, calcium carbonate, mica powder, toner.
17. a kind of hot-forming high strength not delamination templates according to claim 13 or 15, is characterized in that: described auxiliary agent is one or more combinations containing-NH ,-COOH or-OH group.
18. a kind of hot-forming high strength not delamination templates according to claim 1, is characterized in that: the one side that described continuous lod composite cover (2) does not bond with plate core (1) is provided with surperficial embossing or without surperficial embossing.
19. a kind of hot-forming high strength not delamination templates according to claim 18, it is characterized in that: the one side that described continuous lod composite cover (2) does not bond with plate core (1) is provided with surperficial embossing, and embossing depth bounds is 0.01mm ~ 0.4mm.
20. a kind of hot-forming high strength not delamination templates according to claim 5 or 6, it is characterized in that: described bonding adhesive is one or more in polyurethane, epoxy resin, phenolic resins, Lauxite or melamine, and wherein resin solid content is 15% ~ 65%.
The preparation method of 21. 1 kinds of hot-forming high strength not delamination templates, it is characterized in that, step is:
1) plate core is prepared: wood materials is made into rectangular-shaped lath, described lath is divided into lath a(6) and lath b(3), lath a(6) length direction consistent with wood grows direction, lath b(3) short transverse consistent with wood grows direction, lath a(6) and lath b(3) formed by a cuboid batten respectively, or lath a(6) and lath b(3) be spliced to form along stave lengths direction in the mode of mitered or docking by bonding adhesive by many battens respectively, its docking angle is θ=90 °, miter angles is θ <90 °, to reach plate core (1) length dimension requirement, along width of sheet direction: be bonded as one with the form of docking by bonding adhesive between adjacent slat, docking angle is θ=90 °, to reach plate core (1) width dimensions requirement, the plate core (1) that final formation is consistent with lath height,
2) prepare continuous lod composite cover: by continuous fiber goods through in resin melt, fully after dipping, through cooling, cutting rolling, form continuous lod preliminary-dip piece; The continuous lod preliminary-dip piece be made up of unidirectional fibre goods or multidirectional fibre is laid in successively one, wherein have at least the machine direction of one deck continuous lod preliminary-dip piece identical with plate core width, simple and easy compound is carried out to multilayer continuous lod preliminary-dip piece ultrasonic welding device, forms continuous lod composite cover (2);
3) prepare template: the continuous lod composite cover (2) be compounded to form simple and easy in step 2 is overlayed on respectively plate core (1) up and down two on the surface, be placed in press hot pressing, temperature is 180 DEG C ~ 230 DEG C, and pressure is 10MPa ~ 20MPa, and the time is 2min ~ 20min; Hot pressing is colded pressing after completing, and pressure of colding pressing is 10MPa ~ 20MPa, and the time of colding pressing is 2min ~ 20min, forms template.
The preparation method of 22. a kind of hot-forming high strength not delamination templates according to claim 21, it is characterized in that: described bonding adhesive is one or more in polyurethane, epoxy resin, phenolic resins, Lauxite or melamine, and wherein resin solid content is 15% ~ 65%.
The preparation method of 23. a kind of hot-forming high strength not delamination templates according to claim 21, is characterized in that: its laying angle of the continuous lod preliminary-dip piece be made up of unidirectional fibre goods in step 2 can be 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.
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| CN201510513728.9A CN105201200B (en) | 2015-08-20 | 2015-08-20 | A kind of hot-forming high intensity not delamination template and preparation method thereof |
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| CN201510513728.9A CN105201200B (en) | 2015-08-20 | 2015-08-20 | A kind of hot-forming high intensity not delamination template and preparation method thereof |
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| CN201510513728.9A Active CN105201200B (en) | 2015-08-20 | 2015-08-20 | A kind of hot-forming high intensity not delamination template and preparation method thereof |
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| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
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| CN105201200B (en) | 2017-12-01 |
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Effective date of registration: 20231219 Address after: Buildings 38, 39, and 40 of Jinfa Technology Industrial Park, No. 28 Delong Avenue, Shijiao Town, Qingcheng District, Qingyuan City, Guangdong Province, 511500 Patentee after: Guangdong Jinfa Composite Materials Co.,Ltd. Patentee after: GUANGZHOU KINGFA CARBON FIBER NEW MATERIAL DEVELOPMENT Co.,Ltd. Address before: Room 210, No. 18 Jiufo Jianshe New Street, Zhongxin Guangzhou Knowledge City, Guangzhou City, Guangdong Province, 510555, China Patentee before: GUANGZHOU KINGFA CARBON FIBER NEW MATERIAL DEVELOPMENT Co.,Ltd. |
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